{ "title": "Historical fisheries coordinate comparisons", "date": "2026-10-02", "scope": "55 mapped records and one withheld source record; 424 printed coordinate pairs.", "method": "Literal printed values and table order preserved. Straight-line ring closure is an analytical assumption. UTM48N/WGS84 interpretation follows ODC CRS metadata. No present legal certification or independent human verification.", "records": [ { "record_id": "zone-48", "record_label": "Conservation areas · Kep", "schedule": { "record_id": "zone-48", "instrument": "Prakas 193", "annex_row": 1, "legal_map_code": 1, "pdf_pages": [ 7 ], "reported_area_ha": 49, "vertices": [ [ 425154, 1145724 ], [ 425154, 1145047 ], [ 425454, 1145047 ], [ 425616, 1145048 ], [ 425989, 1145047 ], [ 425989, 1145724 ] ], "transcription_note": "Prior audit swapped rows 1 and 2. Original row 1 reads 49 ha. The six printed points omit the detailed inset present in the current digitisation.", "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "zone-48", "instrument": "Prakas 193", "annex_row": 1, "pdf_pages": [ 7 ], "legal_map_code": 1, "reported_area_ha": 49, "newly_transcribed": false, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 56.50275, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 49.32183595150474, "atlas_geodesic_area_ha": 49.35454852652058, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 49.32183595150474, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 21.067559427769513, "discrete_hausdorff_distance_metres": 335.71550000086427, "outer_boundary_discrete_hausdorff_distance_metres": 335.71550000086427, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 0.0, 4.0745362639363125e-10, 17.784816678904463, 12.639232457685798, 2.3033297252572366e-10, 0.0 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 17.784816678904463, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 428.70915185222646, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 425154, "maximum_easting": 425989, "minimum_northing": 1145047, "maximum_northing": 1145724, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.7235684214705662, "source_difference_from_reported_pct": 15.311734693877543, "intersection_over_union": 0.8729103619087779, "symmetric_difference_area_ha": 7.1809140486698055, "outer_shell_intersection_over_union": 0.8729103619087779, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 1 reports 49 ha and lists 6 coordinate pairs. The literal straight-line ring is valid and encloses 56.5027 projected ha; its overlap with the atlas is 87.29% by intersection-over-union. Atlas area is 49.355 geodesic ha; the farthest printed point is 17.78 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=7" }, { "record_id": "zone-47", "record_label": "Conservation areas · Kep", "schedule": { "record_id": "zone-47", "instrument": "Prakas 193", "annex_row": 2, "legal_map_code": 2, "pdf_pages": [ 7 ], "reported_area_ha": 45, "vertices": [ [ 423746, 1146074 ], [ 423746, 1145260 ], [ 424793, 1145260 ], [ 424793, 1146074 ] ], "transcription_note": "Prior audit swapped rows 1 and 2. Original row 2 reads 45 ha, and these four printed coordinates match the current rectangle.", "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "zone-47", "instrument": "Prakas 193", "annex_row": 2, "pdf_pages": [ 7 ], "legal_map_code": 2, "reported_area_ha": 45, "newly_transcribed": false, "source_vertex_count": 4, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 85.2258, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 78.0734243266767, "atlas_geodesic_area_ha": 78.12482702385682, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 85.22579999999762, "atlas_interior_ring_count": 1, "atlas_interior_ring_area_ha": 7.152375673320922, "centroid_distance_metres": 3.248730194197853, "discrete_hausdorff_distance_metres": 374.4105999991298, "outer_boundary_discrete_hausdorff_distance_metres": 6.585445079827193e-10, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.328306436539084e-10, 2.3283064365375307e-10, 4.6566128730720645e-10, 6.585445079827193e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 6.585445079827193e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 6.585445079827193e-10, "same_unordered_outer_vertex_set_within_1cm": true, "minimum_easting": 423746, "maximum_easting": 424793, "minimum_northing": 1145260, "maximum_northing": 1146074, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 73.61072671968184, "source_difference_from_reported_pct": 89.39066666666669, "intersection_over_union": 0.916077341915038, "symmetric_difference_area_ha": 7.152375673421465, "outer_shell_intersection_over_union": 0.9999999999988202, "comparison_class": "exact_outer_boundary_with_unlisted_atlas_exclusions", "historical_match_note": "Literal outer ring agrees within 1 cm; atlas contains interior exclusions absent from this printed schedule.", "short_description": "Original annex row 2 reports 45 ha and lists 4 coordinate pairs. The literal outer ring matches exactly (85.2258 projected ha); the atlas subtracts 1 interior exclusion(s), totalling 7.1524 projected ha. Atlas area is 78.125 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=7" }, { "record_id": "zone-53", "record_label": "Conservation areas · Kep", "schedule": { "record_id": "zone-53", "instrument": "Prakas 193", "annex_row": 3, "legal_map_code": 3, "pdf_pages": [ 7 ], "reported_area_ha": 15, "vertices": [ [ 425155, 1144728 ], [ 425154, 1144519 ], [ 425989, 1144519 ], [ 425989, 1144728 ] ], "human_verified": false, "transcription_note": "Original Khmer coordinate column visually examined; crosschecked against SEAFDEC English reproduction, PDF pp17–18. Numeric order and distinct near-equal values retained; no silent corrections.", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-53", "instrument": "Prakas 193", "annex_row": 3, "pdf_pages": [ 7 ], "legal_map_code": 3, "reported_area_ha": 15, "newly_transcribed": true, "source_vertex_count": 4, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 17.44105, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 15.096676689124441, "atlas_geodesic_area_ha": 15.106689264364796, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 15.096676689124441, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 7.037837236486164, "discrete_hausdorff_distance_metres": 89.8418000000529, "outer_boundary_discrete_hausdorff_distance_metres": 89.8418000000529, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 4.6566128730728757e-10, 2.339419880409248e-10, 3.4924596548080444e-10, 0.0 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 4.6566128730728757e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 392.6946451601097, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 425154, "maximum_easting": 425989, "minimum_northing": 1144519, "maximum_northing": 1144728, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.7112617624319695, "source_difference_from_reported_pct": 16.273666666666674, "intersection_over_union": 0.8655830175994125, "symmetric_difference_area_ha": 2.3443733108993414, "outer_shell_intersection_over_union": 0.8655830175994125, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 3 reports 15 ha and lists 4 coordinate pairs. The literal straight-line ring is valid and encloses 17.4411 projected ha; its overlap with the atlas is 86.56% by intersection-over-union. Atlas area is 15.107 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=7" }, { "record_id": "zone-51", "record_label": "Protected areas · Not found", "schedule": { "record_id": "zone-51", "instrument": "Prakas 193", "annex_row": 4, "legal_map_code": 4, "pdf_pages": [ 7 ], "reported_area_ha": 10412, "vertices": [ [ 323116, 1156589 ], [ 425465, 1156589 ], [ 427983, 1156589 ], [ 430221, 1155251 ], [ 432581, 1153840 ], [ 431881, 1151276 ], [ 431223, 1148870 ], [ 430568, 1146474 ], [ 429338, 1145595 ], [ 427830, 1144518 ], [ 422631, 1144521 ], [ 419470, 1144523 ], [ 420496, 1144904 ], [ 421340, 1150696 ], [ 422289, 1153846 ] ], "human_verified": false, "transcription_note": "Original Khmer coordinate column visually examined; crosschecked against SEAFDEC English reproduction, PDF pp17–18. Numeric order and distinct near-equal values retained; no silent corrections.", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "source_discrepancy": { "kind": "printed_easting_outlier", "original_printed": 323116, "english_reproduction": 323116, "note": "First easting is323116 in both original Khmer and English reproduction; retained literally. Atlas-derived candidate423116 is a hypothesis, not an authorized correction." }, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-51", "instrument": "Prakas 193", "annex_row": 4, "pdf_pages": [ 7 ], "legal_map_code": 4, "reported_area_ha": 10412, "newly_transcribed": true, "source_vertex_count": 15, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 25021.1952, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 10404.231726965236, "atlas_geodesic_area_ha": 10411.171764590359, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 11489.095468004718, "atlas_interior_ring_count": 9, "atlas_interior_ring_area_ha": 1084.863741039483, "centroid_distance_metres": 20164.83252592779, "discrete_hausdorff_distance_metres": 97106.54803873887, "outer_boundary_discrete_hausdorff_distance_metres": 97106.54803873887, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 97106.54803873887, 0.0, 0.0, 0.02576016756359461, 9.165267359728015e-10, 0.6720702339310686, 0.20717363762222946, 2.030147297452441e-10, 0.24428630363406598, 3.358779644279778e-13, 0.07812038523097434, 3.1873911172979045e-13, 381.6237347379733, 4.495261896283107, 1.7767795952582137 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 97106.54803873887, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 97106.54803873887, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 323116, "maximum_easting": 432581, "minimum_northing": 1144518, "maximum_northing": 1156589, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.007954623603922961, "source_difference_from_reported_pct": 140.31113330772183, "intersection_over_union": 0.3999528840951025, "symmetric_difference_area_ha": 15184.029047494842, "outer_shell_intersection_over_union": 0.4428248620743556, "source_discrepancy": { "kind": "printed_easting_outlier", "original_printed": 323116, "english_reproduction": 323116, "note": "First easting is323116 in both original Khmer and English reproduction; retained literally. Atlas-derived candidate423116 is a hypothesis, not an authorized correction." }, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 4 reports 10412 ha and lists 15 coordinate pairs. The literal straight-line ring is valid and encloses 25021.1952 projected ha; its overlap with the atlas is 40.00% by intersection-over-union. The schedule literally prints easting 323116 at point 1, while the original map lists 423116. Atlas area is 10411.172 geodesic ha; the farthest printed point is 97106.55 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=7" }, { "record_id": "zone-46", "record_label": "Fisheries refugias · Not found", "schedule": { "record_id": "zone-46", "instrument": "Prakas 193", "annex_row": 5, "legal_map_code": 5, "pdf_pages": [ 8 ], "reported_area_ha": 417, "vertices": [ [ 427042, 1148939 ], [ 427042, 1149939 ], [ 429142, 1149940 ], [ 429142, 1147940 ], [ 427042, 1147939 ] ], "human_verified": false, "transcription_note": "Original Khmer coordinate column visually examined; crosschecked against SEAFDEC English reproduction, PDF pp17–18. Numeric order and distinct near-equal values retained; no silent corrections.", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-46", "instrument": "Prakas 193", "annex_row": 5, "pdf_pages": [ 8 ], "legal_map_code": 5, "reported_area_ha": 417, "newly_transcribed": true, "source_vertex_count": 5, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 420.0, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 418.65690032492137, "atlas_geodesic_area_ha": 418.9383526919215, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 418.65690032492137, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 4.258820069181124, "discrete_hausdorff_distance_metres": 59.20100000023376, "outer_boundary_discrete_hausdorff_distance_metres": 59.20100000023376, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.21120225553423e-09, 21.231739453728842, 6.402842700479111e-10, 1.66307583754159e-13, 1.7462298274040222e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 21.231739453728842, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 684.6080885811243, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 427042, "maximum_easting": 429142, "minimum_northing": 1147939, "maximum_northing": 1149940, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.46483277983728755, "source_difference_from_reported_pct": 0.7194244604316502, "intersection_over_union": 0.996802143630464, "symmetric_difference_area_ha": 1.3430996752053816, "outer_shell_intersection_over_union": 0.996802143630464, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 5 reports 417 ha and lists 5 coordinate pairs. The literal straight-line ring is valid and encloses 420.0000 projected ha; its overlap with the atlas is 99.68% by intersection-over-union. Atlas area is 418.938 geodesic ha; the farthest printed point is 21.23 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=8" }, { "record_id": "zone-50", "record_label": "Recreational areas · Kep", "schedule": { "record_id": "zone-50", "instrument": "Prakas 193", "annex_row": 6, "legal_map_code": 6, "pdf_pages": [ 8 ], "reported_area_ha": 283, "vertices": [ [ 427105, 1153996 ], [ 427211, 1153979 ], [ 427211, 1154990 ], [ 425016, 1154990 ], [ 425016, 1153320 ], [ 425016, 1152794 ], [ 426840, 1152794 ], [ 426792, 1153264 ] ], "human_verified": false, "transcription_note": "Original Khmer coordinate column visually examined; crosschecked against SEAFDEC English reproduction, PDF pp17–18. Numeric order and distinct near-equal values retained; no silent corrections.", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "source_discrepancy": { "kind": "English_missing_digit", "vertex_index_1based": 3, "original_printed_northing": 1154990, "english_printed_northing": 154990, "note": "Khmer original supplies1154990, used here; English reproduction omits a digit." }, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-50", "instrument": "Prakas 193", "annex_row": 6, "pdf_pages": [ 8 ], "legal_map_code": 6, "reported_area_ha": 283, "newly_transcribed": true, "source_vertex_count": 8, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 444.3321, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 266.11027808202186, "atlas_geodesic_area_ha": 266.28718749266807, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 266.11027808202186, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 156.31835284196512, "discrete_hausdorff_distance_metres": 704.7093999999342, "outer_boundary_discrete_hausdorff_distance_metres": 704.7093999999342, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 0.6002152419924929, 1.7458846719472495e-10, 3.492459654804827e-10, 6.402842700481415e-10, 1.4076369572414741e-11, 1.9208528101435807e-09, 5.448135483827135e-10, 3.3662341549836116e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 0.6002152419924929, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 1104.291891711899, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 425016, "maximum_easting": 427211, "minimum_northing": 1152794, "maximum_northing": 1154990, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -5.90558745842118, "source_difference_from_reported_pct": 57.007809187279165, "intersection_over_union": 0.5988995125084492, "symmetric_difference_area_ha": 178.2218219181862, "outer_shell_intersection_over_union": 0.5988995125084492, "source_discrepancy": { "kind": "English_missing_digit", "vertex_index_1based": 3, "original_printed_northing": 1154990, "english_printed_northing": 154990, "note": "Khmer original supplies1154990, used here; English reproduction omits a digit." }, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 6 reports 283 ha and lists 8 coordinate pairs. The literal straight-line ring is valid and encloses 444.3321 projected ha; its overlap with the atlas is 59.89% by intersection-over-union. Atlas area is 266.287 geodesic ha; the farthest printed point is 0.60 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=8" }, { "record_id": "zone-49", "record_label": "Recreational areas · Kep", "schedule": { "record_id": "zone-49", "instrument": "Prakas 193", "annex_row": 7, "legal_map_code": 7, "pdf_pages": [ 8 ], "reported_area_ha": 64, "vertices": [ [ 425652, 1148939 ], [ 426448, 1148938 ], [ 426448, 1148076 ], [ 425651, 1148076 ] ], "human_verified": false, "transcription_note": "Original Khmer coordinate column visually examined; crosschecked against SEAFDEC English reproduction, PDF pp17–18. Numeric order and distinct near-equal values retained; no silent corrections.", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-49", "instrument": "Prakas 193", "annex_row": 7, "pdf_pages": [ 8 ], "legal_map_code": 7, "reported_area_ha": 64, "newly_transcribed": true, "source_vertex_count": 4, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 68.69815, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 64.8707154963775, "atlas_geodesic_area_ha": 64.91385386296024, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 68.69814999998647, "atlas_interior_ring_count": 1, "atlas_interior_ring_area_ha": 3.8274345036089814, "centroid_distance_metres": 3.353852436390049, "discrete_hausdorff_distance_metres": 360.81624409471596, "outer_boundary_discrete_hausdorff_distance_metres": 4.656612873077393e-10, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 4.657340449892611e-10, 1.1641532182693481e-10, 0.0, 0.0 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 4.657340449892611e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 4.692851652099372e-10, "same_unordered_outer_vertex_set_within_1cm": true, "minimum_easting": 425651, "maximum_easting": 426448, "minimum_northing": 1148076, "maximum_northing": 1148939, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 1.4278966608753718, "source_difference_from_reported_pct": 7.340859374999997, "intersection_over_union": 0.9442862070719222, "symmetric_difference_area_ha": 3.827434503642585, "outer_shell_intersection_over_union": 0.999999999999511, "comparison_class": "exact_outer_boundary_with_unlisted_atlas_exclusions", "historical_match_note": "Literal outer ring agrees within 1 cm; atlas contains interior exclusions absent from this printed schedule.", "short_description": "Original annex row 7 reports 64 ha and lists 4 coordinate pairs. The literal outer ring matches exactly (68.6981 projected ha); the atlas subtracts 1 interior exclusion(s), totalling 3.8274 projected ha. Atlas area is 64.914 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=8" }, { "record_id": "zone-54", "record_label": "Recreational areas · Kep", "schedule": { "record_id": "zone-54", "instrument": "Prakas 193", "annex_row": 8, "legal_map_code": 8, "pdf_pages": [ 8 ], "reported_area_ha": 11, "vertices": [ [ 425154, 1145047 ], [ 425454, 1145047 ], [ 425155, 1144728 ], [ 425555, 1144728 ] ], "human_verified": false, "transcription_note": "Original Khmer coordinate column visually examined; crosschecked against SEAFDEC English reproduction, PDF pp17–18. Numeric order and distinct near-equal values retained; no silent corrections.", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-54", "instrument": "Prakas 193", "annex_row": 8, "pdf_pages": [ 8 ], "legal_map_code": 8, "reported_area_ha": 11, "newly_transcribed": true, "source_vertex_count": 4, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[425325.857142857 1144910.28571429]", "source_coordinate_plane_area_ha": 1.595, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 11.000353095437266, "atlas_geodesic_area_ha": 11.007639471082646, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 11.000353095437266, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 369.8108068269286, "discrete_hausdorff_distance_metres": 75.58397975369002, "outer_boundary_discrete_hausdorff_distance_metres": 75.58397975369002, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 6.187559229283739e-10, 15.70193702761074, 3.507039955608159e-10, 34.88408213559413 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 34.88408213559413, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 86.65930217688653, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 425154, "maximum_easting": 425555, "minimum_northing": 1144728, "maximum_northing": 1145047, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.06944973711495717, "source_difference_from_reported_pct": -85.5, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 8 reports 11 ha and lists 4 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 11.008 geodesic ha; the farthest printed point is 34.88 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=8" }, { "record_id": "zone-52", "record_label": "Recreational areas · Kep", "schedule": { "record_id": "zone-52", "instrument": "Prakas 193", "annex_row": 9, "legal_map_code": 9, "pdf_pages": [ 8 ], "reported_area_ha": 11, "vertices": [ [ 425616, 1145048 ], [ 425989, 1145047 ], [ 425989, 1144728 ], [ 425689, 1144728 ] ], "human_verified": false, "transcription_note": "Original Khmer coordinate column visually examined; crosschecked against SEAFDEC English reproduction, PDF pp17–18. Numeric order and distinct near-equal values retained; no silent corrections.", "source_pdf_sha256": "6946fdcbd3fcedc099954f684b0ea5d195631aa4c181ecea84a48be56349424f", "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-52", "instrument": "Prakas 193", "annex_row": 9, "pdf_pages": [ 8 ], "legal_map_code": 9, "reported_area_ha": 11, "newly_transcribed": true, "source_vertex_count": 4, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 10.74935, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 10.672471461781567, "atlas_geodesic_area_ha": 10.679559312280768, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 10.672471461781567, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 1.3592690930664202, "discrete_hausdorff_distance_metres": 12.728434815271987, "outer_boundary_discrete_hausdorff_distance_metres": 12.728434815271987, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 12.728434815271987, 2.3033303374216098e-10, 0.0, 0.9805309989653664 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 12.728434815271987, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 93.98761600460529, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 425616, "maximum_easting": 425989, "minimum_northing": 1144728, "maximum_northing": 1145048, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -2.913097161083933, "source_difference_from_reported_pct": -2.278636363636366, "intersection_over_union": 0.9928480756280016, "symmetric_difference_area_ha": 0.07687853824824654, "outer_shell_intersection_over_union": 0.9928480756280016, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 9 reports 11 ha and lists 4 coordinate pairs. The literal straight-line ring is valid and encloses 10.7493 projected ha; its overlap with the atlas is 99.28% by intersection-over-union. Atlas area is 10.680 geodesic ha; the farthest printed point is 12.73 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-193.pdf#page=8" }, { "record_id": "zone-0", "record_label": "Conservation areas · Daem Thkov", "schedule": { "record_id": "zone-0", "instrument": "Prakas 364", "annex_row": 1, "legal_map_code": 1, "reported_area_ha": 25, "pdf_pages": [ 9 ], "vertices": [ [ 314153, 1184787 ], [ 314136, 1184291 ], [ 313629, 1184296 ], [ 313697, 1184558 ], [ 313462, 1184746 ] ], "human_verified": false, "method": "Reused prior AI visual transcription without re-transcribing.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363" }, "comparison": { "record_id": "zone-0", "instrument": "Prakas 364", "annex_row": 1, "pdf_pages": [ 9 ], "legal_map_code": 1, "reported_area_ha": 25, "newly_transcribed": false, "source_vertex_count": 5, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 24.75, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 25.572638490435057, "atlas_geodesic_area_ha": 25.571172758230503, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 25.572638490435057, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 7.834802432698935, "discrete_hausdorff_distance_metres": 41.503301079017916, "outer_boundary_discrete_hausdorff_distance_metres": 41.503301079017916, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 4.687453916220178e-10, 3.366964946293252e-09, 2.5717189633392665e-12, 4.0745362639427185e-10, 1.4974904622543792 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 1.4974904622543792, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 256.32045365160155, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313462, "maximum_easting": 314153, "minimum_northing": 1184291, "maximum_northing": 1184787, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 2.284691032922015, "source_difference_from_reported_pct": -1.0000000000000009, "intersection_over_union": 0.9037651143500638, "symmetric_difference_area_ha": 2.543797721802053, "outer_shell_intersection_over_union": 0.9037651143500638, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 1 reports 25 ha and lists 5 coordinate pairs. The literal straight-line ring is valid and encloses 24.7500 projected ha; its overlap with the atlas is 90.38% by intersection-over-union. Atlas area is 25.571 geodesic ha; the farthest printed point is 1.50 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=9" }, { "record_id": "zone-1", "record_label": "Conservation areas · Daem Thkov", "schedule": { "record_id": "zone-1", "instrument": "Prakas 364", "annex_row": 2, "legal_map_code": 13, "reported_area_ha": 64, "pdf_pages": [ 9 ], "vertices": [ [ 314560, 1184160 ], [ 314700, 1184121 ], [ 314710, 1183897 ], [ 314391, 1183488 ], [ 314103, 1183280 ], [ 313572, 1183414 ], [ 313629, 1183637 ], [ 314322, 1183962 ], [ 313485, 1183954 ] ], "human_verified": false, "method": "Reused prior AI visual transcription without re-transcribing.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363" }, "comparison": { "record_id": "zone-1", "instrument": "Prakas 364", "annex_row": 2, "pdf_pages": [ 9 ], "legal_map_code": 13, "reported_area_ha": 64, "newly_transcribed": false, "source_vertex_count": 9, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 57.24395, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 65.93194076655712, "atlas_geodesic_area_ha": 65.9282875521697, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 65.93194076655712, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 90.44234089717662, "discrete_hausdorff_distance_metres": 152.06906325761625, "outer_boundary_discrete_hausdorff_distance_metres": 152.06906325761625, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 5.283174309564807e-10, 1.0383882853462642e-11, 2.9103830456733704e-10, 2.8412709040854775e-10, 2.346041237611281e-10, 4.99781636602256e-10, 4.370067969727514e-10, 5.140284185902002e-10, 1.112640426989597e-12 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 5.283174309564807e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 220.50436599252046, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313485, "maximum_easting": 314710, "minimum_northing": 1183280, "maximum_northing": 1184160, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 3.0129493002651664, "source_difference_from_reported_pct": -10.556328125000004, "intersection_over_union": 0.6560692986258729, "symmetric_difference_area_ha": 25.581037302530106, "outer_shell_intersection_over_union": 0.6560692986258729, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 2 reports 64 ha and lists 9 coordinate pairs. The literal straight-line ring is valid and encloses 57.2439 projected ha; its overlap with the atlas is 65.61% by intersection-over-union. Atlas area is 65.928 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=9" }, { "record_id": "zone-2", "record_label": "Conservation areas · Preaek Svay", "schedule": { "record_id": "zone-2", "instrument": "Prakas 364", "annex_row": 3, "legal_map_code": 2, "pdf_pages": [ 9 ], "reported_area_ha": 54.0, "vertices": [ [ 310165, 1187804 ], [ 310167, 1187090 ], [ 309357, 1187087 ], [ 309560, 1187803 ], [ 309360, 1187560 ], [ 309517, 1187659 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-2", "instrument": "Prakas 364", "annex_row": 3, "pdf_pages": [ 9 ], "legal_map_code": 2, "reported_area_ha": 54.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[309519.320394539 1187659.51922409]", "source_coordinate_plane_area_ha": 45.29475, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 54.48772873351714, "atlas_geodesic_area_ha": 54.48251969798843, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 54.48772873351714, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 55.793863572560056, "discrete_hausdorff_distance_metres": 33.6445754074618, "outer_boundary_discrete_hausdorff_distance_metres": 33.6445754074618, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 5.820743255813137e-10, 2.3067322224500286e-10, 5.839441626201912e-10, 5.019669243412149e-10, 0.8328926881393269, 2.4478633964949966e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 0.8328926881393269, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 87.60432705537407, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 309357, "maximum_easting": 310167, "minimum_northing": 1187087, "maximum_northing": 1187804, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.893554996274859, "source_difference_from_reported_pct": -16.12083333333333, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 3 reports 54 ha and lists 6 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 54.483 geodesic ha; the farthest printed point is 0.83 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=9" }, { "record_id": "zone-3", "record_label": "Conservation areas · Preaek Svay", "schedule": { "record_id": "zone-3", "instrument": "Prakas 364", "annex_row": 4, "legal_map_code": 47, "pdf_pages": [ 9 ], "reported_area_ha": 2.0, "vertices": [ [ 307967, 1190775 ], [ 307770, 1190707 ], [ 307985, 1190590 ], [ 308035, 1190634 ], [ 307875, 1190720 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-3", "instrument": "Prakas 364", "annex_row": 4, "pdf_pages": [ 9 ], "legal_map_code": 47, "reported_area_ha": 2.0, "newly_transcribed": true, "source_vertex_count": 5, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 1.54995, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 2.156600000010099, "atlas_geodesic_area_ha": 2.156356606604904, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 2.156600000010099, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 24.96697847858671, "discrete_hausdorff_distance_metres": 9.878167619740788e-10, "outer_boundary_discrete_hausdorff_distance_metres": 9.878167619740788e-10, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.0907387193444686e-10, 3.9776429224945984e-10, 7.790402255984471e-10, 5.383504629468834e-10, 1.194707839625411e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 7.790402255984471e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 1.6298145055770874e-09, "same_unordered_outer_vertex_set_within_1cm": true, "minimum_easting": 307770, "maximum_easting": 308035, "minimum_northing": 1190590, "maximum_northing": 1190775, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 7.81783033024519, "source_difference_from_reported_pct": -22.502500000000005, "intersection_over_union": 0.5537507073777085, "symmetric_difference_area_ha": 1.064550000023108, "outer_shell_intersection_over_union": 0.5537507073777085, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 4 reports 2 ha and lists 5 coordinate pairs. The literal straight-line ring is valid and encloses 1.5499 projected ha; its overlap with the atlas is 55.38% by intersection-over-union. The unordered outer vertex sets match, but their traversal differs. Atlas area is 2.156 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=9" }, { "record_id": "zone-4", "record_label": "Conservation areas · Preaek Svay", "schedule": { "record_id": "zone-4", "instrument": "Prakas 364", "annex_row": 5, "legal_map_code": 46, "pdf_pages": [ 9 ], "reported_area_ha": 3, "vertices": [ [ 307777, 1190435 ], [ 307668, 1190611 ], [ 307605, 1190451 ], [ 307718, 1190349 ] ], "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "zone-4", "instrument": "Prakas 364", "annex_row": 5, "pdf_pages": [ 9 ], "legal_map_code": 46, "reported_area_ha": 3, "newly_transcribed": false, "source_vertex_count": 4, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 2.2132, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 2.213199999969377, "atlas_geodesic_area_ha": 2.212944892720878, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 2.213199999969377, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 1.1059455573558807e-09, "discrete_hausdorff_distance_metres": 2.687656409250385e-09, "outer_boundary_discrete_hausdorff_distance_metres": 2.687656409250385e-09, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.7207615213157806e-10, 9.979052511653466e-10, 2.687656409250385e-09, 1.5627287947097902e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 2.687656409250385e-09, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 2.687656409250385e-09, "same_unordered_outer_vertex_set_within_1cm": true, "minimum_easting": 307605, "maximum_easting": 307777, "minimum_northing": 1190349, "maximum_northing": 1190611, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -26.235170242637405, "source_difference_from_reported_pct": -26.226666666666667, "intersection_over_union": 0.9999999999762259, "symmetric_difference_area_ha": 5.261633906335439e-11, "outer_shell_intersection_over_union": 0.9999999999762259, "comparison_class": "exact_literal_polygon_match", "historical_match_note": "Literal source ring and complete atlas polygon agree within 1 cm / IoU 0.99999999 comparison tolerance under the ODC CRS assumption.", "short_description": "Original annex row 5 reports 3 ha and lists 4 coordinate pairs. The literal ring exactly matches the historical atlas geometry under the ODC CRS assumption, enclosing 2.2132 projected ha. Atlas area is 2.213 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=9" }, { "record_id": "zone-5", "record_label": "Conservation areas · Preaek Svay", "schedule": { "record_id": "zone-5", "instrument": "Prakas 364", "annex_row": 6, "legal_map_code": 19, "pdf_pages": [ 9 ], "reported_area_ha": 120.0, "vertices": [ [ 302235, 1189570 ], [ 301901, 1189566 ], [ 301784, 1188322 ], [ 301177, 1187521 ], [ 302075, 1187284 ], [ 302111, 1186840 ], [ 301160, 1186973 ], [ 300930, 1187724 ], [ 301527, 1188509 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-5", "instrument": "Prakas 364", "annex_row": 6, "pdf_pages": [ 9 ], "legal_map_code": 19, "reported_area_ha": 120.0, "newly_transcribed": true, "source_vertex_count": 9, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[301846.638912789 1188988.00690179]", "source_coordinate_plane_area_ha": 83.84465, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 121.41513591605812, "atlas_geodesic_area_ha": 121.39396114455599, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 121.41513591605812, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 548.4358348058003, "discrete_hausdorff_distance_metres": 200.2910332375054, "outer_boundary_discrete_hausdorff_distance_metres": 200.2910332375054, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.0097675041148284e-09, 1.2203523103879856e-10, 4.60617343014781e-10, 3.5885890099292145e-10, 5.010524123244855e-10, 3.4924596548080444e-10, 2.922700919629652, 4.127033338852034e-10, 5.372161121525847e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 2.922700919629652, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 587.0606928814783, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 300930, "maximum_easting": 302235, "minimum_northing": 1186840, "maximum_northing": 1189570, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 1.1616342871299867, "source_difference_from_reported_pct": -30.129458333333336, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 6 reports 120 ha and lists 9 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 121.394 geodesic ha; the farthest printed point is 2.92 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=9" }, { "record_id": "zone-6", "record_label": "Conservation areas · Sok San", "schedule": { "record_id": "zone-6", "instrument": "Prakas 364", "annex_row": 7, "legal_map_code": 45, "pdf_pages": [ 9, 10 ], "reported_area_ha": 100.0, "vertices": [ [ 303370, 1185495 ], [ 303021, 1185489 ], [ 303482, 1184541 ], [ 303679, 1184779 ], [ 304475, 1183595 ], [ 304504, 1183896 ], [ 305384, 1183603 ], [ 305333, 1183306 ] ], "transcription_note": "First two pairs on PDF page 9; remaining six on page 10.", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-6", "instrument": "Prakas 364", "annex_row": 7, "pdf_pages": [ 9, 10 ], "legal_map_code": 45, "reported_area_ha": 100.0, "newly_transcribed": true, "source_vertex_count": 8, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[304931.580192146 1183753.63523148]", "source_coordinate_plane_area_ha": 76.01025, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 99.46232744797358, "atlas_geodesic_area_ha": 99.44737709123082, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 99.46232744797358, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 534.7101632604312, "discrete_hausdorff_distance_metres": 313.21677185994076, "outer_boundary_discrete_hausdorff_distance_metres": 313.21677185994076, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 4.656612873077393e-10, 1.1746436503786423e-09, 3.3033151270090843e-11, 1.5295848036534424e-09, 7.030701145226919e-10, 1.507600366239349e-10, 3.7059014348342376e-11, 8.639642859115e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 1.5295848036534424e-09, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 621.721931847914, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 303021, "maximum_easting": 305384, "minimum_northing": 1183306, "maximum_northing": 1185495, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.5526229087691847, "source_difference_from_reported_pct": -23.989749999999997, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 7 reports 100 ha and lists 8 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 99.447 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=9" }, { "record_id": "zone-7", "record_label": "Conservation areas · Sok San", "schedule": { "record_id": "zone-7", "instrument": "Prakas 364", "annex_row": 8, "legal_map_code": 20, "pdf_pages": [ 10 ], "reported_area_ha": 53.0, "vertices": [ [ 309261, 1178920 ], [ 309557, 1178969 ], [ 309805, 1178272 ], [ 309576, 1178078 ], [ 310468, 1177732 ], [ 310449, 1178040 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-7", "instrument": "Prakas 364", "annex_row": 8, "pdf_pages": [ 10 ], "legal_map_code": 20, "reported_area_ha": 53.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[309686.609928566 1178604.73338625]", "source_coordinate_plane_area_ha": 25.9433, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 52.919877672505635, "atlas_geodesic_area_ha": 52.9148185342418, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 52.919877672505635, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 484.29637592952736, "discrete_hausdorff_distance_metres": 329.6008828065029, "outer_boundary_discrete_hausdorff_distance_metres": 329.6008828065029, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 4.753176751304386e-11, 4.197414120966556e-10, 2.937273605735998, 1.615947910182342, 1.1186716677716018, 0.03236873760223471 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 2.937273605735998, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 504.95995678498355, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 309261, "maximum_easting": 310468, "minimum_northing": 1177732, "maximum_northing": 1178969, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.16071974671357792, "source_difference_from_reported_pct": -51.050377358490564, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 8 reports 53 ha and lists 6 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 52.915 geodesic ha; the farthest printed point is 2.94 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=10" }, { "record_id": "zone-8", "record_label": "Conservation areas · Kaoh Touch", "schedule": { "record_id": "zone-8", "instrument": "Prakas 364", "annex_row": 9, "legal_map_code": 8, "pdf_pages": [ 10 ], "reported_area_ha": 33.0, "vertices": [ [ 314048, 1181441 ], [ 314253, 1181299 ], [ 314171, 1180770 ], [ 313792, 1180552 ], [ 313599, 1180628 ], [ 313602, 1180966 ], [ 313889, 1181088 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-8", "instrument": "Prakas 364", "annex_row": 9, "pdf_pages": [ 10 ], "legal_map_code": 8, "reported_area_ha": 33.0, "newly_transcribed": true, "source_vertex_count": 7, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 32.98275, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 33.22227110250952, "atlas_geodesic_area_ha": 33.22039546601239, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 33.22227110250952, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 25.984456997582225, "discrete_hausdorff_distance_metres": 182.9115652152574, "outer_boundary_discrete_hausdorff_distance_metres": 182.9115652152574, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.839091505917688e-09, 3.502266084330798e-11, 5.948200090743124e-10, 1.9332821010844876, 5.820766091346741e-10, 4.656429462833386e-10, 4.847693674821479 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 4.847693674821479, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 222.07223987026393, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313599, "maximum_easting": 314253, "minimum_northing": 1180552, "maximum_northing": 1181441, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.6678650485223869, "source_difference_from_reported_pct": -0.05227272727271748, "intersection_over_union": 0.8128108320327906, "symmetric_difference_area_ha": 6.836269177371074, "outer_shell_intersection_over_union": 0.8128108320327906, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 9 reports 33 ha and lists 7 coordinate pairs. The literal straight-line ring is valid and encloses 32.9828 projected ha; its overlap with the atlas is 81.28% by intersection-over-union. Atlas area is 33.220 geodesic ha; the farthest printed point is 4.85 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=10" }, { "record_id": "zone-9", "record_label": "Conservation areas · Kaoh Touch", "schedule": { "record_id": "zone-9", "instrument": "Prakas 364", "annex_row": 10, "legal_map_code": 43, "pdf_pages": [ 10 ], "reported_area_ha": 24.0, "vertices": [ [ 313193, 1180411 ], [ 313504, 1180153 ], [ 313441, 1179770 ], [ 313407, 1179571 ], [ 313103, 1179603 ], [ 313223, 1180050 ], [ 313137, 1179901 ], [ 313155, 1180113 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-9", "instrument": "Prakas 364", "annex_row": 10, "pdf_pages": [ 10 ], "legal_map_code": 43, "reported_area_ha": 24.0, "newly_transcribed": true, "source_vertex_count": 8, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 21.82515, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 23.955517370658217, "atlas_geodesic_area_ha": 23.954021692181005, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 23.955517370658217, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 16.374962408805395, "discrete_hausdorff_distance_metres": 52.099175446882576, "outer_boundary_discrete_hausdorff_distance_metres": 52.099175446882576, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 9.238417844156365e-10, 4.1787195696007384e-10, 0.7111185964535269, 1.2186912879922026e-11, 1.3251008619762335e-09, 1.056909187494318e-09, 2.9180164851525563e-09, 2.3283064365386963e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 0.7111185964535269, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 203.93441940125018, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313103, "maximum_easting": 313504, "minimum_northing": 1179571, "maximum_northing": 1180411, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.19157628257914228, "source_difference_from_reported_pct": -9.061874999999997, "intersection_over_union": 0.8350135443785286, "symmetric_difference_area_ha": 4.11614947944661, "outer_shell_intersection_over_union": 0.8350135443785286, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 10 reports 24 ha and lists 8 coordinate pairs. The literal straight-line ring is valid and encloses 21.8252 projected ha; its overlap with the atlas is 83.50% by intersection-over-union. Atlas area is 23.954 geodesic ha; the farthest printed point is 0.71 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=10" }, { "record_id": "zone-10", "record_label": "Conservation areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-10", "instrument": "Prakas 364", "annex_row": 11, "legal_map_code": 15, "pdf_pages": [ 10 ], "reported_area_ha": 30.0, "vertices": [ [ 313862, 1176074 ], [ 313630, 1176572 ], [ 314211, 1176786 ], [ 314294, 1176227 ], [ 313930, 1176692 ], [ 314069, 1176162 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-10", "instrument": "Prakas 364", "annex_row": 11, "pdf_pages": [ 10 ], "legal_map_code": 15, "reported_area_ha": 30.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[313932.272237293 1176683.33607363]", "source_coordinate_plane_area_ha": 22.92715, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 29.24898555822291, "atlas_geodesic_area_ha": 29.2473406059891, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 29.24898555822291, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 31.137954920602116, "discrete_hausdorff_distance_metres": 81.87280146720558, "outer_boundary_discrete_hausdorff_distance_metres": 81.87280146720558, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.1105211978904968e-10, 1.729422604445943e-10, 2.303058064471224e-10, 3.58203266246195e-11, 2.3779560811131715e-10, 5.521928893789706e-12 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 2.3779560811131715e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 91.26076242903707, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313630, "maximum_easting": 314294, "minimum_northing": 1176074, "maximum_northing": 1176786, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -2.508864646703002, "source_difference_from_reported_pct": -23.576166666666666, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 11 reports 30 ha and lists 6 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 29.247 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=10" }, { "record_id": "zone-12", "record_label": "Conservation areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-12", "instrument": "Prakas 364", "annex_row": 12, "legal_map_code": 7, "pdf_pages": [ 10 ], "reported_area_ha": 115.0, "vertices": [ [ 312062, 1173764 ], [ 311748, 1173951 ], [ 311762, 1172884 ], [ 311472, 1172821 ], [ 312072, 1171589 ], [ 311788, 1171497 ], [ 312517, 1170426 ], [ 312366, 1170169 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-12", "instrument": "Prakas 364", "annex_row": 12, "pdf_pages": [ 10 ], "legal_map_code": 7, "reported_area_ha": 115.0, "newly_transcribed": true, "source_vertex_count": 8, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[312319.764448923 1170715.76580961]", "source_coordinate_plane_area_ha": 104.7652, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 115.74104012250336, "atlas_geodesic_area_ha": 115.73227644737787, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 115.74104012250336, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 475.7831811643714, "discrete_hausdorff_distance_metres": 321.5431668731887, "outer_boundary_discrete_hausdorff_distance_metres": 321.5431668731887, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.0225130070997104e-10, 3.749962082556765e-10, 2.9777073213897326e-09, 5.179294582072053e-10, 1.3015628661377063e-09, 3.491538105181184e-09, 4.197414120966556e-10, 9.093487294100591e-11 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 3.491538105181184e-09, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 544.9659080570857, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 311472, "maximum_easting": 312517, "minimum_northing": 1170169, "maximum_northing": 1173951, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.6367621281546665, "source_difference_from_reported_pct": -8.89982608695653, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 12 reports 115 ha and lists 8 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 115.732 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=10" }, { "record_id": "zone-11", "record_label": "Conservation areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-11", "instrument": "Prakas 364", "annex_row": 13, "legal_map_code": 17, "pdf_pages": [ 10, 11 ], "reported_area_ha": 37, "vertices": [ [ 316008, 1165544 ], [ 315984, 1165843 ], [ 316675, 1165645 ], [ 316568, 1165948 ], [ 316769, 1166174 ], [ 317078, 1166162 ] ], "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "zone-11", "instrument": "Prakas 364", "annex_row": 13, "pdf_pages": [ 10, 11 ], "legal_map_code": 17, "reported_area_ha": 37, "newly_transcribed": false, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[316346.061771989 1165739.25436924]", "source_coordinate_plane_area_ha": 7.36975, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 42.33351201567536, "atlas_geodesic_area_ha": 42.332132681812716, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 42.33351201567536, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 174.8255144220175, "discrete_hausdorff_distance_metres": 254.78064381555635, "outer_boundary_discrete_hausdorff_distance_metres": 254.78064381555635, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 62.20726518642998, 0.0, 2.1925437956755834e-10, 1.1742247903677452e-10, 3.5817845430781468, 3.6235161396038235e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 62.20726518642998, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 295.44399155017345, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 315984, "maximum_easting": 317078, "minimum_northing": 1165544, "maximum_northing": 1166174, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 14.411169410304648, "source_difference_from_reported_pct": -80.08175675675676, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 13 reports 37 ha and lists 6 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 42.332 geodesic ha; the farthest printed point is 62.21 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=10" }, { "record_id": "zone-13", "record_label": "Fisheries refugias · Daem Thkov", "schedule": { "record_id": "zone-13", "instrument": "Prakas 364", "annex_row": 14, "legal_map_code": 10, "pdf_pages": [ 11 ], "reported_area_ha": 23.0, "vertices": [ [ 313487, 1184114 ], [ 313212, 1184223 ], [ 313126, 1183942 ], [ 313285, 1183608 ], [ 313601, 1183533 ], [ 313524, 1183747 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-13", "instrument": "Prakas 364", "annex_row": 14, "pdf_pages": [ 11 ], "legal_map_code": 10, "reported_area_ha": 23.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 19.4638, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 24.374634559455757, "atlas_geodesic_area_ha": 24.37312070336159, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 24.374634559455757, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 62.202634834218664, "discrete_hausdorff_distance_metres": 124.04078415596365, "outer_boundary_discrete_hausdorff_distance_metres": 124.04078415596365, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.93032412601716e-10, 1.0493678518814819e-09, 1.9789786692968313e-09, 3.738686441618407e-10, 1.37290125857507, 2.0677846969623177e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 1.37290125857507, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 199.93481913179238, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313126, "maximum_easting": 313601, "minimum_northing": 1183533, "maximum_northing": 1184223, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 5.970090014615614, "source_difference_from_reported_pct": -15.374782608695659, "intersection_over_union": 0.7657478669420446, "symmetric_difference_area_ha": 5.81580586771979, "outer_shell_intersection_over_union": 0.7657478669420446, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 14 reports 23 ha and lists 6 coordinate pairs. The literal straight-line ring is valid and encloses 19.4638 projected ha; its overlap with the atlas is 76.57% by intersection-over-union. Atlas area is 24.373 geodesic ha; the farthest printed point is 1.37 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=11" }, { "record_id": "zone-14", "record_label": "Fisheries refugias · Daem Thkov", "schedule": { "record_id": "zone-14", "instrument": "Prakas 364", "annex_row": 15, "legal_map_code": 14, "pdf_pages": [ 11 ], "reported_area_ha": 25.0, "vertices": [ [ 315376, 1184846 ], [ 315801, 1184625 ], [ 316148, 1184194 ], [ 315824, 1184189 ], [ 315608, 1184434 ], [ 315264, 1184594 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-14", "instrument": "Prakas 364", "annex_row": 15, "pdf_pages": [ 11 ], "legal_map_code": 14, "reported_area_ha": 25.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 22.9178, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 25.65275471796363, "atlas_geodesic_area_ha": 25.651711947235466, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 25.65275471796363, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 20.059649662135314, "discrete_hausdorff_distance_metres": 64.72480476516357, "outer_boundary_discrete_hausdorff_distance_metres": 64.72480476516357, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.2458351610060863e-09, 5.205595724101284e-10, 5.820766091346741e-10, 4.847201858687888e-10, 9.688018938292514e-11, 3.648648248041781e-11 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 2.2458351610060863e-09, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 178.60597172733856, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 315264, "maximum_easting": 316148, "minimum_northing": 1184189, "maximum_northing": 1184846, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 2.6068477889418684, "source_difference_from_reported_pct": -8.328800000000003, "intersection_over_union": 0.8933855350784626, "symmetric_difference_area_ha": 2.7349547180225575, "outer_shell_intersection_over_union": 0.8933855350784626, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 15 reports 25 ha and lists 6 coordinate pairs. The literal straight-line ring is valid and encloses 22.9178 projected ha; its overlap with the atlas is 89.34% by intersection-over-union. Atlas area is 25.652 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=11" }, { "record_id": "zone-15", "record_label": "Fisheries refugias · Kaoh Touch", "schedule": { "record_id": "zone-15", "instrument": "Prakas 364", "annex_row": 16, "legal_map_code": 12, "pdf_pages": [ 11 ], "reported_area_ha": 28.0, "vertices": [ [ 312993, 1180663 ], [ 312808, 1180833 ], [ 312231, 1179753 ], [ 312058, 1179870 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-15", "instrument": "Prakas 364", "annex_row": 16, "pdf_pages": [ 11 ], "legal_map_code": 12, "reported_area_ha": 28.0, "newly_transcribed": true, "source_vertex_count": 4, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[312488.640202883 1180235.23816138]", "source_coordinate_plane_area_ha": 2.5653, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 27.61195000000567, "atlas_geodesic_area_ha": 27.61003056653738, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 27.61195000000567, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 2140.062579119159, "discrete_hausdorff_distance_metres": 7.454217687985916e-10, "outer_boundary_discrete_hausdorff_distance_metres": 7.454217687985916e-10, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 5.096853288034853e-11, 7.454217687985916e-10, 1.3388340676856762e-10, 1.30434694825874e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 7.454217687985916e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 7.454217687985916e-10, "same_unordered_outer_vertex_set_within_1cm": true, "minimum_easting": 312058, "maximum_easting": 312993, "minimum_northing": 1179753, "maximum_northing": 1180833, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -1.39274797665222, "source_difference_from_reported_pct": -90.83821428571429, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 16 reports 28 ha and lists 4 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. The unordered outer vertex sets match, but their traversal differs. Atlas area is 27.610 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=11" }, { "record_id": "zone-16", "record_label": "Fisheries refugias · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-16", "instrument": "Prakas 364", "annex_row": 17, "legal_map_code": 40, "pdf_pages": [ 11 ], "reported_area_ha": 53.0, "vertices": [ [ 313023, 1175499 ], [ 313617, 1175430 ], [ 313250, 1176079 ], [ 313862, 1176074 ], [ 313630, 1176572 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-16", "instrument": "Prakas 364", "annex_row": 17, "pdf_pages": [ 11 ], "legal_map_code": 40, "reported_area_ha": 53.0, "newly_transcribed": true, "source_vertex_count": 5, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[313300.544299218 1175989.61784689]", "source_coordinate_plane_area_ha": 27.7655, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 53.015683108718214, "atlas_geodesic_area_ha": 53.01245406931341, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 53.015683108718214, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 34.91507335176295, "discrete_hausdorff_distance_metres": 238.03688970611896, "outer_boundary_discrete_hausdorff_distance_metres": 238.03688970611896, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.118949761801517e-10, 1.097579659883502e-10, 0.7948187681727837, 1.971061657747833e-10, 4.2210423957809936e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 0.7948187681727837, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 291.1156201230995, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313023, "maximum_easting": 313862, "minimum_northing": 1175430, "maximum_northing": 1176572, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.02349824398755196, "source_difference_from_reported_pct": -47.612264150943396, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 17 reports 53 ha and lists 5 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 53.012 geodesic ha; the farthest printed point is 0.79 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=11" }, { "record_id": "zone-17", "record_label": "Multiple use areas · Daem Thkov", "schedule": { "record_id": "zone-17", "instrument": "Prakas 364", "annex_row": 18, "legal_map_code": 24, "pdf_pages": [ 11 ], "reported_area_ha": 25.0, "vertices": [ [ 315982, 1183914 ], [ 315819, 1183730 ], [ 316049, 1183358 ], [ 315769, 1183310 ], [ 315520, 1183673 ], [ 315745, 1184123 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-17", "instrument": "Prakas 364", "annex_row": 18, "pdf_pages": [ 11 ], "legal_map_code": 24, "reported_area_ha": 25.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 21.8665, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 26.202251833997895, "atlas_geodesic_area_ha": 26.201204267793056, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 26.202251833997895, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 13.262928145169804, "discrete_hausdorff_distance_metres": 89.98071878452117, "outer_boundary_discrete_hausdorff_distance_metres": 89.98071878452117, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.182608894089488e-10, 3.280604918587367e-10, 5.820766091346741e-10, 3.3602308074060833e-13, 0.0, 1.472856774240738e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 5.820766091346741e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 219.58436258468495, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 315520, "maximum_easting": 316049, "minimum_northing": 1183310, "maximum_northing": 1184123, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 4.804817071172218, "source_difference_from_reported_pct": -12.534, "intersection_over_union": 0.7813888420074776, "symmetric_difference_area_ha": 5.898973460418046, "outer_shell_intersection_over_union": 0.7813888420074776, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 18 reports 25 ha and lists 6 coordinate pairs. The literal straight-line ring is valid and encloses 21.8665 projected ha; its overlap with the atlas is 78.14% by intersection-over-union. Atlas area is 26.201 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=11" }, { "record_id": "zone-18", "record_label": "Multiple use areas · Daem Thkov", "schedule": { "record_id": "zone-18", "instrument": "Prakas 364", "annex_row": 19, "legal_map_code": 23, "pdf_pages": [ 11 ], "reported_area_ha": 21.0, "vertices": [ [ 309830, 1185898 ], [ 310194, 1185895 ], [ 310230, 1186281 ], [ 309877, 1186588 ], [ 309790, 1186314 ], [ 309900, 1186105 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-18", "instrument": "Prakas 364", "annex_row": 19, "pdf_pages": [ 11 ], "legal_map_code": 23, "reported_area_ha": 21.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 20.41815, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 21.573796024231157, "atlas_geodesic_area_ha": 21.571788001126006, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 21.573796024231157, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 22.901394454326557, "discrete_hausdorff_distance_metres": 90.06155653877141, "outer_boundary_discrete_hausdorff_distance_metres": 90.06155653877141, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.0505295779798803e-09, 3.4917628022381018, 5.732789753119056e-10, 1.1356807996307558e-10, 3.8401654505692724e-10, 6.92617379877707e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 3.4917628022381018, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 185.37080710169337, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 309790, "maximum_easting": 310230, "minimum_northing": 1185895, "maximum_northing": 1186588, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 2.722800005361936, "source_difference_from_reported_pct": -2.770714285714282, "intersection_over_union": 0.7700189806957933, "symmetric_difference_area_ha": 5.456071745300885, "outer_shell_intersection_over_union": 0.7700189806957933, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 19 reports 21 ha and lists 6 coordinate pairs. The literal straight-line ring is valid and encloses 20.4182 projected ha; its overlap with the atlas is 77.00% by intersection-over-union. Atlas area is 21.572 geodesic ha; the farthest printed point is 3.49 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=11" }, { "record_id": "zone-19", "record_label": "Multiple use areas · Preaek Svay", "schedule": { "record_id": "zone-19", "instrument": "Prakas 364", "annex_row": 20, "legal_map_code": 34, "pdf_pages": [ 11, 12 ], "reported_area_ha": 30, "vertices": [ [ 306393, 1191730 ], [ 306545, 1191745 ], [ 306288, 1191167 ], [ 305746, 1190783 ], [ 304906, 1190527 ], [ 304884, 1190604 ], [ 305486, 1190735 ], [ 305838, 1191018 ] ], "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "zone-19", "instrument": "Prakas 364", "annex_row": 20, "pdf_pages": [ 11, 12 ], "legal_map_code": 34, "reported_area_ha": 30, "newly_transcribed": false, "source_vertex_count": 8, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 27.2954, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 39.566230930694516, "atlas_geodesic_area_ha": 39.5609566505705, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 39.566230930694516, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 226.28193111525886, "discrete_hausdorff_distance_metres": 132.36636433366957, "outer_boundary_discrete_hausdorff_distance_metres": 132.36636433366957, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 5.196546042177793e-10, 2.6295484463976184e-10, 4.615146587977527e-10, 4.720562979930907e-10, 4.5101958996785224e-10, 2.1513513501307986, 39.56587971543537, 28.843259693601592 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 39.56587971543537, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 318.5318577406405, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 304884, "maximum_easting": 306545, "minimum_northing": 1190527, "maximum_northing": 1191745, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 31.869855501901668, "source_difference_from_reported_pct": -9.01533333333333, "intersection_over_union": 0.5684096809292799, "symmetric_difference_area_ha": 18.39878507372483, "outer_shell_intersection_over_union": 0.5684096809292799, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 20 reports 30 ha and lists 8 coordinate pairs. The literal straight-line ring is valid and encloses 27.2954 projected ha; its overlap with the atlas is 56.84% by intersection-over-union. Atlas area is 39.561 geodesic ha; the farthest printed point is 39.57 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=11" }, { "record_id": "zone-20", "record_label": "Multiple use areas · Sok San", "schedule": { "record_id": "zone-20", "instrument": "Prakas 364", "annex_row": 21, "legal_map_code": 41, "pdf_pages": [ 12 ], "reported_area_ha": 34.0, "vertices": [ [ 306539, 1184195 ], [ 306372, 1184277 ], [ 306974, 1184385 ], [ 307815, 1184101 ], [ 308345, 1183531 ], [ 308194, 1183429 ], [ 307709, 1183994 ], [ 307090, 1184229 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-20", "instrument": "Prakas 364", "annex_row": 21, "pdf_pages": [ 12 ], "legal_map_code": 41, "reported_area_ha": 34.0, "newly_transcribed": true, "source_vertex_count": 8, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 29.9305, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 33.78469512357724, "atlas_geodesic_area_ha": 33.780727408662436, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 33.78469512357724, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 53.3320994589654, "discrete_hausdorff_distance_metres": 61.340149330882014, "outer_boundary_discrete_hausdorff_distance_metres": 61.340149330882014, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 5.027262067747193e-10, 2.5995492224126133e-09, 2.8692973227239352e-11, 4.249348567712059e-10, 7.917097832969998e-10, 3.087027292560522, 1.9452222610365643e-10, 0.0 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 3.087027292560522, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 358.28969934004306, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 306372, "maximum_easting": 308345, "minimum_northing": 1183429, "maximum_northing": 1184385, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.6449193862869573, "source_difference_from_reported_pct": -11.969117647058825, "intersection_over_union": 0.7756100616983465, "symmetric_difference_area_ha": 8.051907911012842, "outer_shell_intersection_over_union": 0.7756100616983465, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 21 reports 34 ha and lists 8 coordinate pairs. The literal straight-line ring is valid and encloses 29.9305 projected ha; its overlap with the atlas is 77.56% by intersection-over-union. Atlas area is 33.781 geodesic ha; the farthest printed point is 3.09 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=12" }, { "record_id": "zone-22", "record_label": "Multiple use areas · Sok San", "schedule": { "record_id": "zone-22", "instrument": "Prakas 364", "annex_row": 22, "legal_map_code": 21, "pdf_pages": [ 12 ], "reported_area_ha": 53.0, "vertices": [ [ 308518, 1183302 ], [ 308377, 1183178 ], [ 308943, 1182401 ], [ 308809, 1182331 ], [ 309196, 1181179 ], [ 309345, 1181203 ], [ 309389, 1179945 ], [ 309248, 1179951 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-22", "instrument": "Prakas 364", "annex_row": 22, "pdf_pages": [ 12 ], "legal_map_code": 21, "reported_area_ha": 53.0, "newly_transcribed": true, "source_vertex_count": 8, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[308616.695203151 1182848.94845787]", "source_coordinate_plane_area_ha": 50.686, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 53.522918781095754, "atlas_geodesic_area_ha": 53.51744962783828, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 53.522918781095754, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 604.277213239316, "discrete_hausdorff_distance_metres": 186.86730923675864, "outer_boundary_discrete_hausdorff_distance_metres": 186.86730923675864, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.7279734658576804e-10, 3.3840634519580365e-09, 0.5189235566729147, 3.5873197627332365, 1.3836914137175407, 1.1527290433154633e-10, 1.6211957769017729e-10, 4.344452964340547e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 3.5873197627332365, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 602.3644857633437, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 308377, "maximum_easting": 309389, "minimum_northing": 1179945, "maximum_northing": 1183302, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.9763200525250593, "source_difference_from_reported_pct": -4.36603773584906, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 22 reports 53 ha and lists 8 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 53.517 geodesic ha; the farthest printed point is 3.59 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=12" }, { "record_id": "zone-21", "record_label": "Multiple use areas · Sok San", "schedule": { "record_id": "zone-21", "instrument": "Prakas 364", "annex_row": 23, "legal_map_code": 22, "pdf_pages": [ 12 ], "reported_area_ha": 49.0, "vertices": [ [ 302293, 1187405 ], [ 302280, 1187579 ], [ 302352, 1187683 ], [ 302587, 1187678 ], [ 302729, 1187634 ], [ 302829, 1187469 ], [ 303016, 1187543 ], [ 303258, 1187376 ], [ 303472, 1187034 ], [ 303463, 1186711 ], [ 303340, 1186729 ], [ 302973, 1186722 ], [ 303128, 1186955 ], [ 303150, 1187057 ], [ 302876, 1187220 ], [ 302581, 1187322 ] ], "transcription_note": "Printed northing 1186729 has a trailing punctuation mark; the numeral itself is transcribed without that mark.", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-21", "instrument": "Prakas 364", "annex_row": 23, "pdf_pages": [ 12 ], "legal_map_code": 22, "reported_area_ha": 49.0, "newly_transcribed": true, "source_vertex_count": 16, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 48.5793, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 52.463889602799235, "atlas_geodesic_area_ha": 52.45543770261677, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 52.463889602799235, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 24.142784429900228, "discrete_hausdorff_distance_metres": 125.55366157912572, "outer_boundary_discrete_hausdorff_distance_metres": 125.55366157912572, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 5.964515880351034e-10, 5.742946115568031e-10, 1.3400207602992071e-09, 1.2381806440343294e-11, 5.168421706635605e-11, 6.114148722972694e-10, 1.2770972625282388e-10, 6.585445079827193e-10, 2.1211022999828088e-10, 1.8585138590945737e-10, 2.2046891614501901e-10, 1.4772097205614324e-09, 5.689921346972858e-10, 6.180816521991702e-10, 4.150506036973221e-10, 1.3774661306246914e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 1.4772097205614324e-09, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 144.33052315166762, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 302280, "maximum_easting": 303472, "minimum_northing": 1186711, "maximum_northing": 1187683, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 7.051913678809729, "source_difference_from_reported_pct": -0.8585714285714197, "intersection_over_union": 0.8390055581100455, "symmetric_difference_area_ha": 8.845754622733901, "outer_shell_intersection_over_union": 0.8390055581100455, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 23 reports 49 ha and lists 16 coordinate pairs. The literal straight-line ring is valid and encloses 48.5793 projected ha; its overlap with the atlas is 83.90% by intersection-over-union. Atlas area is 52.455 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=12" }, { "record_id": "zone-23", "record_label": "Multiple use areas · Kaoh Touch", "schedule": { "record_id": "zone-23", "instrument": "Prakas 364", "annex_row": 24, "legal_map_code": 25, "pdf_pages": [ 12 ], "reported_area_ha": 53.0, "vertices": [ [ 311119, 1179415 ], [ 311278, 1179392 ], [ 311568, 1180005 ], [ 311682, 1179900 ], [ 311758, 1180729 ], [ 311909, 1180679 ], [ 311967, 1180927 ], [ 312031, 1180994 ], [ 313390, 1181248 ], [ 313301, 1181127 ], [ 312586, 1181320 ], [ 312521, 1181144 ] ], "transcription_note": "Stamped page 12 coordinates inspected in a saved crop; literal easting 313390 is retained.", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-23", "instrument": "Prakas 364", "annex_row": 24, "pdf_pages": [ 12 ], "legal_map_code": 25, "reported_area_ha": 53.0, "newly_transcribed": true, "source_vertex_count": 12, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[312465.169034657 1181075.14711906]", "source_coordinate_plane_area_ha": 12.15685, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 52.356180042416746, "atlas_geodesic_area_ha": 52.35228413100429, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 52.356180042416746, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 401.87177046535584, "discrete_hausdorff_distance_metres": 240.1986258110803, "outer_boundary_discrete_hausdorff_distance_metres": 240.1986258110803, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.3959364708962806e-10, 0.7551040061382397, 8.010503724541764e-11, 5.381108244367108e-10, 9.313225746154785e-10, 2.1937028889855508e-10, 3.4852689778288824e-10, 0.6080578605624636, 2.9103830456733704e-10, 3.511441033059277e-10, 5.690024708382366e-11, 6.048896892333372e-11 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 0.7551040061382397, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 424.5008132440011, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 311119, "maximum_easting": 313390, "minimum_northing": 1179392, "maximum_northing": 1181320, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -1.222105413199459, "source_difference_from_reported_pct": -77.06254716981132, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 24 reports 53 ha and lists 12 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 52.352 geodesic ha; the farthest printed point is 0.76 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=12" }, { "record_id": "zone-24", "record_label": "Multiple use areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-24", "instrument": "Prakas 364", "annex_row": 25, "legal_map_code": 42, "pdf_pages": [ 13 ], "reported_area_ha": 22.0, "vertices": [ [ 313017, 1169579 ], [ 313262, 1169780 ], [ 313477, 1169730 ], [ 313622, 1169185 ], [ 313561, 1169127 ], [ 313257, 1169191 ], [ 313301, 1169428 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-24", "instrument": "Prakas 364", "annex_row": 25, "pdf_pages": [ 13 ], "legal_map_code": 42, "reported_area_ha": 22.0, "newly_transcribed": true, "source_vertex_count": 7, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 20.7912, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 21.175944471500518, "atlas_geodesic_area_ha": 21.174638651475497, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 21.175944471500518, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 79.69298233928117, "discrete_hausdorff_distance_metres": 95.02996076060934, "outer_boundary_discrete_hausdorff_distance_metres": 95.02996076060934, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 56.431822631877814, 1.711361519646562e-11, 53.057396983230504, 4.4168175898802083e-10, 71.9403823950878, 95.02996076060934, 33.73942216876585 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 95.02996076060934, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 155.15307299398947, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313017, "maximum_easting": 313622, "minimum_northing": 1169127, "maximum_northing": 1169780, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -3.7516424932931947, "source_difference_from_reported_pct": -5.494545454545452, "intersection_over_union": 0.5942799344233071, "symmetric_difference_area_ha": 10.680001823646794, "outer_shell_intersection_over_union": 0.5942799344233071, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 25 reports 22 ha and lists 7 coordinate pairs. The literal straight-line ring is valid and encloses 20.7912 projected ha; its overlap with the atlas is 59.43% by intersection-over-union. Atlas area is 21.175 geodesic ha; the farthest printed point is 95.03 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=13" }, { "record_id": "zone-25", "record_label": "Multiple use areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-25", "instrument": "Prakas 364", "annex_row": 26, "legal_map_code": 28, "pdf_pages": [ 13 ], "reported_area_ha": 57.0, "vertices": [ [ 316346, 1169112 ], [ 316366, 1169314 ], [ 315262, 1169600 ], [ 315414, 1169738 ], [ 314711, 1170146 ], [ 314890, 1170239 ], [ 314505, 1170614 ], [ 314622, 1170933 ], [ 314841, 1170927 ], [ 314978, 1170767 ], [ 314748, 1170542 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-25", "instrument": "Prakas 364", "annex_row": 26, "pdf_pages": [ 13 ], "legal_map_code": 28, "reported_area_ha": 57.0, "newly_transcribed": true, "source_vertex_count": 11, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[316020.146428788 1169403.59612443]", "source_coordinate_plane_area_ha": 42.76685, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 57.328399369713615, "atlas_geodesic_area_ha": 57.32584628768789, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 57.328399369713615, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 353.11944034845857, "discrete_hausdorff_distance_metres": 155.12052710043827, "outer_boundary_discrete_hausdorff_distance_metres": 155.12052710043827, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.5339565237875882e-10, 4.123110379319019, 49.42056560538791, 56.55692753168938, 43.38271581292476, 45.46918153104086, 9.113774646676799, 5.692951590418998e-12, 39.52603529164729, 9.092327295693865e-10, 4.656612873077393e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 56.55692753168938, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 508.27454901299836, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 314505, "maximum_easting": 316366, "minimum_northing": 1169112, "maximum_northing": 1170933, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.5716601538384047, "source_difference_from_reported_pct": -24.970438596491228, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 26 reports 57 ha and lists 11 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 57.326 geodesic ha; the farthest printed point is 56.56 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=13" }, { "record_id": "zone-26", "record_label": "Multiple use areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-26", "instrument": "Prakas 364", "annex_row": 27, "legal_map_code": 27, "pdf_pages": [ 13 ], "reported_area_ha": 32.0, "vertices": [ [ 316349, 1173523 ], [ 316099, 1174153 ], [ 315944, 1174542 ], [ 315704, 1174365 ], [ 315805, 1173989 ], [ 316087, 1173550 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-26", "instrument": "Prakas 364", "annex_row": 27, "pdf_pages": [ 13 ], "legal_map_code": 27, "reported_area_ha": 32.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 29.07635, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 31.124282866150956, "atlas_geodesic_area_ha": 31.12309583380383, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 31.124282866150956, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 31.001383158264577, "discrete_hausdorff_distance_metres": 82.98663809796743, "outer_boundary_discrete_hausdorff_distance_metres": 82.98663809796743, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 0.0, 3.5040248183323586e-10, 1.2782893553647896e-09, 2.9896202272869234, 3.259629011154175e-09, 37.39609557762134 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 37.39609557762134, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 178.2283286248939, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 315704, "maximum_easting": 316349, "minimum_northing": 1173523, "maximum_northing": 1174542, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -2.7403255193630294, "source_difference_from_reported_pct": -9.136406249999995, "intersection_over_union": 0.8732471345327235, "symmetric_difference_area_ha": 4.073462907301475, "outer_shell_intersection_over_union": 0.8732471345327235, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 27 reports 32 ha and lists 6 coordinate pairs. The literal straight-line ring is valid and encloses 29.0764 projected ha; its overlap with the atlas is 87.32% by intersection-over-union. Atlas area is 31.123 geodesic ha; the farthest printed point is 37.40 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=13" }, { "record_id": "zone-27", "record_label": "Multiple use areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-27", "instrument": "Prakas 364", "annex_row": 28, "legal_map_code": 26, "pdf_pages": [ 13 ], "reported_area_ha": 39.0, "vertices": [ [ 314679, 1174671 ], [ 314917, 1174521 ], [ 314480, 1174136 ], [ 313680, 1174391 ], [ 313887, 1174609 ], [ 314220, 1174386 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-27", "instrument": "Prakas 364", "annex_row": 28, "pdf_pages": [ 13 ], "legal_map_code": 26, "reported_area_ha": 39.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 29.92425, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 37.95924466647866, "atlas_geodesic_area_ha": 37.95721473085098, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 37.95924466647866, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 74.5200700729691, "discrete_hausdorff_distance_metres": 207.07810459317986, "outer_boundary_discrete_hausdorff_distance_metres": 207.07810459317986, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 4.058995260313958, 1.4479335304208307, 13.450130238565249, 1.7038975166500555e-11, 3.430229799494505e-11, 4.2412358430588e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 13.450130238565249, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 387.2020749945315, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313680, "maximum_easting": 314917, "minimum_northing": 1174136, "maximum_northing": 1174671, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -2.6738083824333847, "source_difference_from_reported_pct": -23.271153846153847, "intersection_over_union": 0.634426548114367, "symmetric_difference_area_ha": 15.18355382804581, "outer_shell_intersection_over_union": 0.634426548114367, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 28 reports 39 ha and lists 6 coordinate pairs. The literal straight-line ring is valid and encloses 29.9243 projected ha; its overlap with the atlas is 63.44% by intersection-over-union. Atlas area is 37.957 geodesic ha; the farthest printed point is 13.45 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=13" }, { "record_id": "zone-44", "record_label": "Multiple use areas · Around Koh Rong and Koh Rong Sanloem", "schedule": { "record_id": "zone-44", "instrument": "Prakas 364", "annex_row": 29, "legal_map_code": 18, "pdf_pages": [ 13 ], "reported_area_ha": 18313.0, "vertices": [ [ 297857, 1192841 ], [ 303285, 1194795 ], [ 308626, 1196690 ], [ 314111, 1193847 ], [ 318897, 1191444 ], [ 319638, 1186783 ], [ 320711, 1177838 ], [ 321598, 1170682 ], [ 319812, 1163658 ], [ 314037, 1163586 ], [ 306122, 1174611 ], [ 298284, 1185597 ] ], "transcription_note": "Coordinates are also printed in the Annex 1 and Annex 2 outer management boundary maps; this literal outer ring does not subtract island land or other subzones.", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-44", "instrument": "Prakas 364", "annex_row": 29, "pdf_pages": [ 13 ], "legal_map_code": 18, "reported_area_ha": 18313.0, "newly_transcribed": true, "source_vertex_count": 12, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 50652.58095, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 18139.756248645906, "atlas_geodesic_area_ha": 18138.558830949427, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 50576.97095059249, "atlas_interior_ring_count": 1, "atlas_interior_ring_area_ha": 32437.21470194658, "centroid_distance_metres": 1472.3852725227614, "discrete_hausdorff_distance_metres": 4229.902216340987, "outer_boundary_discrete_hausdorff_distance_metres": 199.7785314905364, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.8048046479028854e-07, 2.6671915875048407e-07, 8.329340085731507e-08, 6.915744377326107e-08, 1.3203944049632892e-07, 1.3006275449296873e-07, 1.2656441820613214e-07, 1.243317817171959e-07, 199.77853149049915, 7.076536498093474e-09, 1.5518695509159184e-07, 1.9274508951908932e-07 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 199.77853149049915, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 200.00000000023283, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 297857, "maximum_easting": 321598, "minimum_northing": 1163586, "maximum_northing": 1196690, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.9525537544398666, "source_difference_from_reported_pct": 176.5935725987004, "intersection_over_union": 0.3581210652453875, "symmetric_difference_area_ha": 32512.82470342124, "outer_shell_intersection_over_union": 0.9985072823525464, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 29 reports 18313 ha and lists 12 coordinate pairs. The literal straight-line ring is valid and encloses 50652.5810 projected ha; its overlap with the atlas is 35.81% by intersection-over-union. The same 12 pairs appear in the outer management-boundary map tables; the literal ring omits the land and other-zone exclusions used in the atlas. Atlas area is 18138.559 geodesic ha; the farthest printed point is 199.78 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=13" }, { "record_id": "zone-28", "record_label": "Multiple use areas · Preaek Svay", "schedule": { "record_id": "zone-28", "instrument": "Prakas 364", "annex_row": 30, "legal_map_code": 33, "pdf_pages": [ 13, 14 ], "reported_area_ha": 2, "vertices": [ [ 303683, 1185712 ], [ 303493, 1185577 ] ], "transcription_note": "Row 30 has only two printed coordinate pairs on page 13. Page 14 begins with the category total and row 31; no continuation vertex. The preceding 298284,1185597 pair is above the row boundary and belongs to row 29.", "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "zone-28", "instrument": "Prakas 364", "annex_row": 30, "pdf_pages": [ 13, 14 ], "legal_map_code": 33, "reported_area_ha": 2, "newly_transcribed": false, "source_vertex_count": 2, "source_geometry_type": "LineString", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": null, "source_area_interpretation": "No area: only two points", "atlas_projected_area_ha": 2.672117581188183, "atlas_geodesic_area_ha": 2.6717032953612505, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 2.672117581188183, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 73.98906697840489, "discrete_hausdorff_distance_metres": 161.28246338999784, "outer_boundary_discrete_hausdorff_distance_metres": 161.28246338999784, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 6.455881615064984e-11, 2.3600004644346616e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 2.3600004644346616e-10, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 177.50843475494815, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 303493, "maximum_easting": 303683, "minimum_northing": 1185577, "maximum_northing": 1185712, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 33.585164768062526, "source_difference_from_reported_pct": null, "comparison_class": "incomplete_two_point_schedule", "historical_match_note": "Only two points printed; schedule alone does not define polygon closure.", "short_description": "Original annex row 30 reports 2 ha and lists 2 coordinate pairs. Only two printed points are available, so no closed polygon is reconstructed. Atlas area is 2.672 geodesic ha; the farthest printed point is 0.00 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=13" }, { "record_id": "zone-29", "record_label": "Protected areas · Sok San", "schedule": { "record_id": "zone-29", "instrument": "Prakas 364", "annex_row": 31, "legal_map_code": 4, "pdf_pages": [ 14 ], "reported_area_ha": 4132.0, "vertices": [ [ 300065, 1185483 ], [ 301872, 1185490 ], [ 304591, 1179351 ], [ 303105, 1184882 ], [ 304928, 1183391 ], [ 306443, 1183574 ], [ 307904, 1183827 ], [ 308949, 1181968 ], [ 309388, 1180428 ], [ 309842, 1177797 ], [ 310669, 1178204 ], [ 310805, 1175341 ], [ 310802, 1177121 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-29", "instrument": "Prakas 364", "annex_row": 31, "pdf_pages": [ 14 ], "legal_map_code": 4, "reported_area_ha": 4132.0, "newly_transcribed": true, "source_vertex_count": 13, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[303705.20272176 1182648.00184788]", "source_coordinate_plane_area_ha": 1866.36745, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 4100.911695386295, "atlas_geodesic_area_ha": 4100.383363436551, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 4100.911695386295, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 1007.0821679506419, "discrete_hausdorff_distance_metres": 681.6510063535089, "outer_boundary_discrete_hausdorff_distance_metres": 681.6510063535089, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.5698957105208214e-10, 2.3283064365386963e-10, 43.36499674980658, 21.989528456818398, 29.90064263270241, 5.69964999655535e-10, 17.42848213941675, 1.4953235274064296, 7.5283995345169705, 2.488464346776241e-10, 5.447984239643046e-10, 5.820766091346741e-10, 0.9260424955299326 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 43.36499674980658, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 2648.722869122696, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 300065, "maximum_easting": 310805, "minimum_northing": 1175341, "maximum_northing": 1185490, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.7651654541008912, "source_difference_from_reported_pct": -54.83137826718296, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 31 reports 4132 ha and lists 13 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 4100.383 geodesic ha; the farthest printed point is 43.36 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=14" }, { "record_id": "zone-30", "record_label": "Recreational areas · Daem Thkov", "schedule": { "record_id": "zone-30", "instrument": "Prakas 364", "annex_row": 32, "legal_map_code": 35, "pdf_pages": [ 14 ], "reported_area_ha": 15.0, "vertices": [ [ 310805, 1185736 ], [ 310561, 1185315 ], [ 310353, 1185019 ], [ 309987, 1184820 ], [ 309973, 1185002 ], [ 310171, 1184989 ], [ 310059, 1185147 ], [ 310274, 1185143 ], [ 310395, 1185328 ], [ 310520, 1185405 ], [ 310697, 1185580 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-30", "instrument": "Prakas 364", "annex_row": 32, "pdf_pages": [ 14 ], "legal_map_code": 35, "reported_area_ha": 15.0, "newly_transcribed": true, "source_vertex_count": 11, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 12.29635, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 15.701016945283932, "atlas_geodesic_area_ha": 15.699599772109705, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 15.701016945283932, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 30.287017967522246, "discrete_hausdorff_distance_metres": 62.035394979126366, "outer_boundary_discrete_hausdorff_distance_metres": 62.035394979126366, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.4953005131308805e-10, 1.7462298274040222e-09, 1.6579809164418744e-09, 4.538251053645006e-10, 4.988224065985844, 1.1025928056165025e-10, 4.473010712308379, 3.4924596548080444e-10, 2.1437891890912235e-11, 2.492887479745681e-10, 6.975875564761623e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 4.988224065985844, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 179.2920693093248, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 309973, "maximum_easting": 310805, "minimum_northing": 1184820, "maximum_northing": 1185736, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 4.663998480731357, "source_difference_from_reported_pct": -18.02433333333333, "intersection_over_union": 0.6809605441694008, "symmetric_difference_area_ha": 5.313786064697211, "outer_shell_intersection_over_union": 0.6809605441694008, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 32 reports 15 ha and lists 11 coordinate pairs. The literal straight-line ring is valid and encloses 12.2964 projected ha; its overlap with the atlas is 68.10% by intersection-over-union. Atlas area is 15.700 geodesic ha; the farthest printed point is 4.99 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=14" }, { "record_id": "zone-31", "record_label": "Recreational areas · Preaek Svay", "schedule": { "record_id": "zone-31", "instrument": "Prakas 364", "annex_row": 33, "legal_map_code": 29, "pdf_pages": [ 14 ], "reported_area_ha": 35.0, "vertices": [ [ 309865, 1189889 ], [ 310270, 1190182 ], [ 310485, 1189851 ], [ 310255, 1189589 ], [ 310140, 1189404 ], [ 309848, 1189269 ], [ 309692, 1189481 ], [ 309926, 1189462 ], [ 310053, 1189594 ], [ 310021, 1189729 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-31", "instrument": "Prakas 364", "annex_row": 33, "pdf_pages": [ 14 ], "legal_map_code": 29, "reported_area_ha": 35.0, "newly_transcribed": true, "source_vertex_count": 10, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 28.84845, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 35.072867537460624, "atlas_geodesic_area_ha": 35.06962878306476, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 38.54372666744257, "atlas_interior_ring_count": 1, "atlas_interior_ring_area_ha": 3.470859129981949, "centroid_distance_metres": 22.31236734172761, "discrete_hausdorff_distance_metres": 167.3683691504692, "outer_boundary_discrete_hausdorff_distance_metres": 117.74455196700046, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 16.857799426489954, 3.2927225399135965e-10, 6.984919309616089e-10, 1.1977428925510576e-10, 3.2631177375682605, 1.5077203472262657, 6.927704641495992e-10, 3.815253178832315e-11, 15.20402254484165, 2.3283064365386963e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 16.857799426489954, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 274.1135105449655, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 309692, "maximum_easting": 310485, "minimum_northing": 1189269, "maximum_northing": 1190182, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.19893938018502588, "source_difference_from_reported_pct": -17.575857142857142, "intersection_over_union": 0.6539208611118975, "symmetric_difference_area_ha": 13.375388780746658, "outer_shell_intersection_over_union": 0.743726993748216, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 33 reports 35 ha and lists 10 coordinate pairs. The literal straight-line ring is valid and encloses 28.8484 projected ha; its overlap with the atlas is 65.39% by intersection-over-union. Atlas area is 35.070 geodesic ha; the farthest printed point is 16.86 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=14" }, { "record_id": "zone-45", "record_label": "Recreational areas · Preaek Svay", "schedule": { "record_id": "zone-45", "instrument": "Prakas 364", "annex_row": 34, "legal_map_code": 32, "pdf_pages": [ 14 ], "reported_area_ha": 8, "vertices": [ [ 302293, 1187405 ], [ 303023, 1187170 ], [ 302972, 1186720 ], [ 303169, 1186720 ], [ 303460, 1186686 ], [ 303476, 1187062 ], [ 303050, 1187520 ], [ 302352, 1187683 ] ], "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "zone-45", "instrument": "Prakas 364", "annex_row": 34, "pdf_pages": [ 14 ], "legal_map_code": 32, "reported_area_ha": 8, "newly_transcribed": false, "source_vertex_count": 8, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 50.6832, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 10.091645399827673, "atlas_geodesic_area_ha": 10.09012089489475, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 10.091645399827673, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 4004.0412969088857, "discrete_hausdorff_distance_metres": 4252.246216269349, "outer_boundary_discrete_hausdorff_distance_metres": 4252.246216269349, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 3831.6053800047866, 3803.0541123577705, 4252.246216269349, 4211.008166407145, 4200.180136973308, 3825.030202056019, 3457.647019444807, 3556.194465652718 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 4252.246216269349, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 4252.246216269349, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 302293, "maximum_easting": 303476, "minimum_northing": 1186686, "maximum_northing": 1187683, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 26.126511186184366, "source_difference_from_reported_pct": 533.54, "intersection_over_union": 0.0, "symmetric_difference_area_ha": 60.774845399827676, "outer_shell_intersection_over_union": 0.0, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 34 reports 8 ha and lists 8 coordinate pairs. The literal straight-line ring is valid and encloses 50.6832 projected ha; its overlap with the atlas is 0.00% by intersection-over-union. Atlas area is 10.090 geodesic ha; the farthest printed point is 4252.25 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=14" }, { "record_id": "zone-32", "record_label": "Recreational areas · Preaek Svay", "schedule": { "record_id": "zone-32", "instrument": "Prakas 364", "annex_row": 35, "legal_map_code": 11, "pdf_pages": [ 15 ], "reported_area_ha": 6.0, "vertices": [ [ 302733, 1187518 ], [ 302955, 1187594 ], [ 302765, 1187585 ], [ 303038, 1187765 ], [ 303474, 1187723 ], [ 303429, 1187647 ], [ 303050, 1187703 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-32", "instrument": "Prakas 364", "annex_row": 35, "pdf_pages": [ 15 ], "legal_map_code": 11, "reported_area_ha": 6.0, "newly_transcribed": true, "source_vertex_count": 7, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[302855.120134997 1187589.2688485]", "source_coordinate_plane_area_ha": 3.99075, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 5.507702495483601, "atlas_geodesic_area_ha": 5.506824901393428, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 5.507702495483601, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 74.79248116605524, "discrete_hausdorff_distance_metres": 77.45196137155247, "outer_boundary_discrete_hausdorff_distance_metres": 77.45196137155247, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 16.293344417038846, 2.1034468520336854e-10, 1.7401499125483237, 0.49152627115901054, 1.516650457272734e-11, 0.9492670980761084, 2.4501329580330204e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 16.293344417038846, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 171.2785392142089, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 302733, "maximum_easting": 303474, "minimum_northing": 1187518, "maximum_northing": 1187765, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -8.219584976776195, "source_difference_from_reported_pct": -33.487500000000004, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 35 reports 6 ha and lists 7 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 5.507 geodesic ha; the farthest printed point is 16.29 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=15" }, { "record_id": "zone-33", "record_label": "Recreational areas · Preaek Svay", "schedule": { "record_id": "zone-33", "instrument": "Prakas 364", "annex_row": 36, "legal_map_code": 16, "pdf_pages": [ 15 ], "reported_area_ha": 36.0, "vertices": [ [ 303052, 1186721 ], [ 303392, 1186707 ], [ 303062, 1186121 ], [ 303400, 1186084 ], [ 303613, 1185803 ], [ 303548, 1185633 ], [ 303511, 1185734 ], [ 303370, 1185495 ], [ 303021, 1185489 ], [ 303370, 1185818 ], [ 302969, 1186433 ], [ 303253, 1186456 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-33", "instrument": "Prakas 364", "annex_row": 36, "pdf_pages": [ 15 ], "legal_map_code": 16, "reported_area_ha": 36.0, "newly_transcribed": true, "source_vertex_count": 12, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[303113.177820503 1186211.87940247]", "source_coordinate_plane_area_ha": 22.7134, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 35.47353579018476, "atlas_geodesic_area_ha": 35.46792881183978, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 35.47353579018476, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 102.64681933984812, "discrete_hausdorff_distance_metres": 146.14757840976242, "outer_boundary_discrete_hausdorff_distance_metres": 146.14757840976242, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 29.116102386916538, 137.55092445373037, 5.245490886006044, 28.567280161423785, 47.05970852365042, 45.40817479679916, 19.350478889500618, 4.656612873077393e-10, 1.1789994828624437e-09, 17.753252412365658, 1.4249220174331814, 3.492256964835153e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 137.55092445373037, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 196.70685825294493, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 302969, "maximum_easting": 303613, "minimum_northing": 1185489, "maximum_northing": 1186721, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -1.477975522667263, "source_difference_from_reported_pct": -36.907222222222224, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 36 reports 36 ha and lists 12 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 35.468 geodesic ha; the farthest printed point is 137.55 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=15" }, { "record_id": "zone-34", "record_label": "Recreational areas · Sok San", "schedule": { "record_id": "zone-34", "instrument": "Prakas 364", "annex_row": 37, "legal_map_code": 38, "pdf_pages": [ 15 ], "reported_area_ha": 43.0, "vertices": [ [ 305333, 1183306 ], [ 305384, 1183603 ], [ 306029, 1183570 ], [ 306158, 1183294 ], [ 306659, 1183881 ], [ 306382, 1183995 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-34", "instrument": "Prakas 364", "annex_row": 37, "pdf_pages": [ 15 ], "legal_map_code": 38, "reported_area_ha": 43.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[305756.18964891 1183583.95773889]", "source_coordinate_plane_area_ha": 19.0663, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 41.88478675047565, "atlas_geodesic_area_ha": 41.87928553752163, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 41.88478675047565, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 504.14869656674836, "discrete_hausdorff_distance_metres": 275.734854995226, "outer_boundary_discrete_hausdorff_distance_metres": 275.734854995226, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 0.2045139353383259, 1.1473540952300884e-10, 4.123848396294606e-11, 2.8053040323690827e-10, 5.820766091346741e-10, 2.215278156760629e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 0.2045139353383259, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 355.5480447221031, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 305333, "maximum_easting": 306659, "minimum_northing": 1183294, "maximum_northing": 1183995, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -2.606312703438063, "source_difference_from_reported_pct": -55.659767441860474, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 37 reports 43 ha and lists 6 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 41.879 geodesic ha; the farthest printed point is 0.20 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=15" }, { "record_id": "zone-35", "record_label": "Recreational areas · Sok San", "schedule": { "record_id": "zone-35", "instrument": "Prakas 364", "annex_row": 38, "legal_map_code": 39, "pdf_pages": [ 15 ], "reported_area_ha": 21.0, "vertices": [ [ 309181, 1179634 ], [ 309469, 1179655 ], [ 309261, 1178920 ], [ 309557, 1178969 ], [ 309497, 1179314 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-35", "instrument": "Prakas 364", "annex_row": 38, "pdf_pages": [ 15 ], "legal_map_code": 39, "reported_area_ha": 21.0, "newly_transcribed": true, "source_vertex_count": 5, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[309400.230948397 1179411.99397631]", "source_coordinate_plane_area_ha": 4.8886, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 20.67116410428454, "atlas_geodesic_area_ha": 20.669110655355023, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 20.67116410428454, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 493.20766378179974, "discrete_hausdorff_distance_metres": 154.80177025331605, "outer_boundary_discrete_hausdorff_distance_metres": 154.80177025331605, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.9206544416116713e-11, 4.692851652099372e-10, 0.07676651852255638, 3.5339316017704273e-10, 0.19993128628108664 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 0.19993128628108664, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 305.5877665398379, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 309181, "maximum_easting": 309557, "minimum_northing": 1178920, "maximum_northing": 1179655, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -1.575663545928463, "source_difference_from_reported_pct": -76.72095238095238, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 38 reports 21 ha and lists 5 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 20.669 geodesic ha; the farthest printed point is 0.20 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=15" }, { "record_id": "zone-36", "record_label": "Recreational areas · Kaoh Touch", "schedule": { "record_id": "zone-36", "instrument": "Prakas 364", "annex_row": 39, "legal_map_code": 3, "pdf_pages": [ 15 ], "reported_area_ha": 7, "vertices": [ [ 311967, 1180927 ], [ 312031, 1180994 ], [ 311837, 1180878 ], [ 311870, 1181087 ], [ 311796, 1180943 ], [ 312131, 1181153 ], [ 312084, 1181347 ], [ 312118, 1181682 ], [ 312145, 1181430 ] ], "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "zone-36", "instrument": "Prakas 364", "annex_row": 39, "pdf_pages": [ 15 ], "legal_map_code": 3, "reported_area_ha": 7, "newly_transcribed": false, "source_vertex_count": 9, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[311979.896404711 1180963.44321106]", "source_coordinate_plane_area_ha": 1.32625, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 8.027646746249076, "atlas_geodesic_area_ha": 8.027050778735337, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 8.027646746249076, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 81.85574864394391, "discrete_hausdorff_distance_metres": 61.60075637220754, "outer_boundary_discrete_hausdorff_distance_metres": 61.60075637220754, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 3.4853516356970607e-10, 0.6080578605624771, 4.013382550376485e-10, 1.5824917857217807e-11, 4.3620413654620826e-10, 1.1641532182693481e-10, 2.885885507718885, 5.491299747988001e-10, 4.430846756392826e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 2.885885507718885, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 109.78082538978488, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 311796, "maximum_easting": 312145, "minimum_northing": 1180878, "maximum_northing": 1181682, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 14.672153981933377, "source_difference_from_reported_pct": -81.05357142857143, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 39 reports 7 ha and lists 9 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 8.027 geodesic ha; the farthest printed point is 2.89 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=15" }, { "record_id": "zone-37", "record_label": "Recreational areas · Kaoh Touch", "schedule": { "record_id": "zone-37", "instrument": "Prakas 364", "annex_row": 40, "legal_map_code": 36, "pdf_pages": [ 15, 16 ], "reported_area_ha": 49.0, "vertices": [ [ 313343, 1179193 ], [ 313407, 1179571 ], [ 313103, 1179603 ], [ 313137, 1179901 ], [ 313092, 1179927 ], [ 313155, 1180113 ], [ 313193, 1180411 ], [ 312909, 1180285 ], [ 312792, 1179916 ], [ 312718, 1179285 ] ], "transcription_note": "First six pairs on PDF page 15; remaining four on page 16.", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-37", "instrument": "Prakas 364", "annex_row": 40, "pdf_pages": [ 15, 16 ], "legal_map_code": 36, "reported_area_ha": 49.0, "newly_transcribed": true, "source_vertex_count": 10, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 46.39985, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 47.64530618923522, "atlas_geodesic_area_ha": 47.642200011113374, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 47.64530618923522, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 4.772734587541761, "discrete_hausdorff_distance_metres": 32.352942849912345, "outer_boundary_discrete_hausdorff_distance_metres": 32.352942849912345, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 3.9199468743452575, 1.218691288009937e-11, 1.3251008619727091e-09, 6.40518165045443e-10, 1.5576787870229591e-09, 0.5628849389118216, 2.1540804422243762e-10, 2.112064023885467e-10, 5.238551582217138e-10, 4.642614910126128e-11 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 3.9199468743452575, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 304.3926472558498, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 312718, "maximum_easting": 313407, "minimum_northing": 1179193, "maximum_northing": 1180411, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -2.771020385482914, "source_difference_from_reported_pct": -5.306428571428567, "intersection_over_union": 0.9400367188286354, "symmetric_difference_area_ha": 2.9067780463375037, "outer_shell_intersection_over_union": 0.9400367188286354, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 40 reports 49 ha and lists 10 coordinate pairs. The literal straight-line ring is valid and encloses 46.3999 projected ha; its overlap with the atlas is 94.00% by intersection-over-union. Atlas area is 47.642 geodesic ha; the farthest printed point is 3.92 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=15" }, { "record_id": "zone-38", "record_label": "Recreational areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-38", "instrument": "Prakas 364", "annex_row": 41, "legal_map_code": 37, "pdf_pages": [ 16 ], "reported_area_ha": 117.0, "vertices": [ [ 314294, 1176227 ], [ 314211, 1176786 ], [ 315201, 1176904 ], [ 314458, 1176058 ], [ 314583, 1175715 ], [ 315728, 1175951 ], [ 315438, 1176478 ], [ 315080, 1175817 ], [ 314673, 1176841 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-38", "instrument": "Prakas 364", "annex_row": 41, "pdf_pages": [ 16 ], "legal_map_code": 37, "reported_area_ha": 117.0, "newly_transcribed": true, "source_vertex_count": 9, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[314820.26522548 1176470.48503466]", "source_coordinate_plane_area_ha": 21.9574, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 117.20846991978418, "atlas_geodesic_area_ha": 117.20288124147949, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 117.20846991978418, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 1093.587640378351, "discrete_hausdorff_distance_metres": 116.56057660931235, "outer_boundary_discrete_hausdorff_distance_metres": 116.56057660931235, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.727051726696859e-10, 0.1306358768026267, 9.04222045350065e-11, 18.243262289829143, 3.5836705557163985e-10, 2.5975921110812252, 7.379115054551037e-11, 1.2540067711822886, 3.965391524740667e-11 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 18.243262289829143, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 317.65611569192095, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 314211, "maximum_easting": 315728, "minimum_northing": 1175715, "maximum_northing": 1176904, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.17340277049529007, "source_difference_from_reported_pct": -81.23299145299146, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 41 reports 117 ha and lists 9 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 117.203 geodesic ha; the farthest printed point is 18.24 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=16" }, { "record_id": "zone-39", "record_label": "Recreational areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-39", "instrument": "Prakas 364", "annex_row": 42, "legal_map_code": 5, "pdf_pages": [ 16 ], "reported_area_ha": 33.0, "vertices": [ [ 312791, 1174472 ], [ 312647, 1174711 ], [ 312321, 1174167 ], [ 312131, 1174340 ], [ 312062, 1173764 ], [ 311748, 1173951 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-39", "instrument": "Prakas 364", "annex_row": 42, "pdf_pages": [ 16 ], "legal_map_code": 5, "reported_area_ha": 33.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[312381.063162502 1174267.22809939]", "source_coordinate_plane_area_ha": 1.47035, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 33.865661287433994, "atlas_geodesic_area_ha": 33.86322208445221, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 33.865661287433994, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 3419.93946631699, "discrete_hausdorff_distance_metres": 134.87958028268687, "outer_boundary_discrete_hausdorff_distance_metres": 134.87958028268687, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 1.5533338646056225e-10, 2.0454746516170397e-11, 1.9284042156851409, 9.708508760642697e-10, 0.19807849151305604, 4.656612873077393e-10 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 1.9284042156851409, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 275.34088959850834, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 311748, "maximum_easting": 312791, "minimum_northing": 1173764, "maximum_northing": 1174711, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 2.615824498340036, "source_difference_from_reported_pct": -95.54439393939393, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 42 reports 33 ha and lists 6 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 33.863 geodesic ha; the farthest printed point is 1.93 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=16" }, { "record_id": "zone-40", "record_label": "Recreational areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-40", "instrument": "Prakas 364", "annex_row": 43, "legal_map_code": 31, "pdf_pages": [ 16 ], "reported_area_ha": 45.0, "vertices": [ [ 313561, 1169127 ], [ 313257, 1169191 ], [ 313444, 1168571 ], [ 313901, 1168641 ], [ 314021, 1168363 ], [ 313359, 1168225 ], [ 313104, 1168709 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-40", "instrument": "Prakas 364", "annex_row": 43, "pdf_pages": [ 16 ], "legal_map_code": 31, "reported_area_ha": 45.0, "newly_transcribed": true, "source_vertex_count": 7, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[313337.861285843 1168922.90375817]", "source_coordinate_plane_area_ha": 25.5406, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 45.99929818751782, "atlas_geodesic_area_ha": 45.99649711134706, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 45.99929818751782, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 244.3667562585171, "discrete_hausdorff_distance_metres": 178.674709081207, "outer_boundary_discrete_hausdorff_distance_metres": 178.674709081207, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 2.0231703652577784e-10, 0.24828186481885872, 62.02974653891731, 24.419452621994992, 12.93057974131925, 55.55058387887245, 37.84287349470997 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 62.02974653891731, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 327.7294258006797, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 313104, "maximum_easting": 314021, "minimum_northing": 1168225, "maximum_northing": 1169191, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 2.2144380252156814, "source_difference_from_reported_pct": -43.24311111111111, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 43 reports 45 ha and lists 7 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 45.996 geodesic ha; the farthest printed point is 62.03 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=16" }, { "record_id": "zone-41", "record_label": "Recreational areas · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-41", "instrument": "Prakas 364", "annex_row": 44, "legal_map_code": 30, "pdf_pages": [ 16 ], "reported_area_ha": 39.0, "vertices": [ [ 314843, 1166321 ], [ 315152, 1166324 ], [ 315498, 1165945 ], [ 315984, 1165843 ], [ 316008, 1165544 ], [ 315224, 1165767 ] ], "transcription_note": "", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-41", "instrument": "Prakas 364", "annex_row": 44, "pdf_pages": [ 16 ], "legal_map_code": 30, "reported_area_ha": 39.0, "newly_transcribed": true, "source_vertex_count": 6, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 34.06415, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 40.66166842761468, "atlas_geodesic_area_ha": 40.65991678157279, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 40.66166842761468, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 45.52098655240417, "discrete_hausdorff_distance_metres": 101.16029715428743, "outer_boundary_discrete_hausdorff_distance_metres": 101.16029715428743, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 44.3516113478182, 24.910954704391767, 69.94288675361892, 0.0, 58.74235690061716, 59.444712510133925 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 69.94288675361892, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 313.53921490996686, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 314843, "maximum_easting": 316008, "minimum_northing": 1165544, "maximum_northing": 1166324, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 4.256196875827656, "source_difference_from_reported_pct": -12.656025641025648, "intersection_over_union": 0.7306066262179228, "symmetric_difference_area_ha": 11.63212946828743, "outer_shell_intersection_over_union": 0.7306066262179228, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 44 reports 39 ha and lists 6 coordinate pairs. The literal straight-line ring is valid and encloses 34.0641 projected ha; its overlap with the atlas is 73.06% by intersection-over-union. Atlas area is 40.660 geodesic ha; the farthest printed point is 69.94 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=16" }, { "record_id": "withheld-odc-map-45", "record_label": "Preaek Svay community fishery — withheld source polygon", "schedule": { "record_id": "withheld-odc-map-45", "instrument": "Prakas 364", "annex_row": 45, "legal_map_code": 6, "pdf_pages": [ 16 ], "reported_area_ha": 7011, "vertices": [ [ 307995, 1194748 ], [ 300031, 1191992 ], [ 316003, 1190363 ], [ 300485, 1185146 ], [ 303955, 1185165 ], [ 309090, 1186759 ], [ 316099, 1188732 ] ], "human_verified": false, "method": "AI visual transcription of rendered original PDF; numeric strings checked against source crop", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "crs_note": "Datum WGS 84 is explicit in Prakas 364. EPSG:32648 (UTM 48N) is supported by ODC dataset metadata and source SQLite, not an explicit UTM-zone statement found in the examined original instrument. Coordinate-plane areas do not require that projection assumption." }, "comparison": { "record_id": "withheld-odc-map-45", "instrument": "Prakas 364", "annex_row": 45, "pdf_pages": [ 16 ], "legal_map_code": 6, "reported_area_ha": 7011, "newly_transcribed": false, "source_vertex_count": 7, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[313567.279199407 1190611.42156174]", "source_coordinate_plane_area_ha": 4063.42765, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 6981.683764837843, "atlas_geodesic_area_ha": 6980.875489036886, "atlas_is_valid": false, "atlas_validity_reason": "Self-intersection[309361.274489394 1187614.49169442]", "atlas_outer_shell_area_ha": 7074.690176874434, "atlas_interior_ring_count": 2, "atlas_interior_ring_area_ha": 93.00641203659058, "centroid_distance_metres": 304.31017678005037, "discrete_hausdorff_distance_metres": 2855.631570883447, "outer_boundary_discrete_hausdorff_distance_metres": 2855.631570883447, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 49.50941150562811, 405.914491333715, 431.26165061354726, 359.36138335412375, 867.4195708894957, 331.00631814283685, 480.2214897245307 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 867.4195708894957, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 5094.445771550743, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 300031, "maximum_easting": 316099, "minimum_northing": 1185146, "maximum_northing": 1194748, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.4296749531181532, "source_difference_from_reported_pct": -42.042110255313084, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 45 reports 7011 ha and lists 7 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. Atlas area is 6980.875 geodesic ha; the farthest printed point is 867.42 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=16" }, { "record_id": "zone-42", "record_label": "Community fisheries · Daem Thkov", "schedule": { "record_id": "zone-42", "instrument": "Prakas 364", "annex_row": 46, "legal_map_code": 9, "pdf_pages": [ 16, 17 ], "reported_area_ha": 1493.0, "vertices": [ [ 310314, 1185796 ], [ 310812, 1184875 ], [ 311316, 1185599 ], [ 312674, 1185761 ], [ 314113, 1184304 ], [ 314010, 1183153 ], [ 315509, 1184407 ], [ 316212, 1183928 ], [ 31098, 1182662 ], [ 318101, 1182652 ], [ 316098, 1186734 ], [ 309089, 1186761 ] ], "transcription_note": "First four pairs on PDF page 16; remaining eight on page 17. The ninth easting is literally the five-digit 31098, not silently expanded to a plausible six-digit value.", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred.", "source_discrepancy": { "vertex_order": 9, "axis": "X", "literal_value": 31098, "issue": "Only five digits printed; all other row eastings are six digits. No missing digit inserted." } }, "comparison": { "record_id": "zone-42", "instrument": "Prakas 364", "annex_row": 46, "pdf_pages": [ 16, 17 ], "legal_map_code": 9, "reported_area_ha": 1493.0, "newly_transcribed": true, "source_vertex_count": 12, "source_geometry_type": "Polygon", "source_is_valid": false, "source_validity_reason": "Self-intersection[314929.608720258 1183922.30576064]", "source_coordinate_plane_area_ha": 19742.21315, "source_area_interpretation": "Algebraic self-intersecting-ring area, not a valid polygon area", "atlas_projected_area_ha": 1502.929010985392, "atlas_geodesic_area_ha": 1502.8400894963627, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 1502.929010985392, "atlas_interior_ring_count": 0, "atlas_interior_ring_area_ha": 0.0, "centroid_distance_metres": 85451.06878269688, "discrete_hausdorff_distance_metres": 277934.8763808783, "outer_boundary_discrete_hausdorff_distance_metres": 277934.8763808783, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 132.91116227679487, 578.3855599959655, 158.0541227000146, 183.1582338573586, 22.57626429596561, 805.9811070625294, 308.21096670991153, 216.96342047084062, 277934.8763808783, 495.4787973330739, 243.61084947675744, 1.7245621100527584 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 277934.8763808783, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 277934.8763808783, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 31098, "maximum_easting": 318101, "minimum_northing": 1182652, "maximum_northing": 1186761, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": 0.6590816809352029, "source_difference_from_reported_pct": 1222.3183623576692, "source_discrepancy": { "vertex_order": 9, "axis": "X", "literal_value": 31098, "issue": "Only five digits printed; all other row eastings are six digits. No missing digit inserted." }, "comparison_class": "literal_table_order_self_intersects", "historical_match_note": "Printed table-order traversal crosses itself; source points retained without reordering.", "short_description": "Original annex row 46 reports 1493 ha and lists 12 coordinate pairs. Connecting points in printed table order creates a self-intersecting ring; no source vertices were reordered or repaired. The source literally prints the five-digit easting 31098 at point 9. Atlas area is 1502.840 geodesic ha; the farthest printed point is 277934.88 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=16" }, { "record_id": "zone-43", "record_label": "Community fisheries · Kaoh Rong Sanloem", "schedule": { "record_id": "zone-43", "instrument": "Prakas 364", "annex_row": 47, "legal_map_code": 44, "pdf_pages": [ 17 ], "reported_area_ha": 7925.0, "vertices": [ [ 317785, 1174747 ], [ 319071, 1172602 ], [ 320403, 1170511 ], [ 319249, 1165609 ], [ 317249, 1164625 ], [ 316394, 1164441 ], [ 315796, 1164583 ], [ 314796, 1165583 ], [ 314587, 1165990 ], [ 314665, 1166504 ], [ 314017, 1167485 ], [ 312892, 1168053 ], [ 312755, 1169314 ], [ 311612, 1170429 ], [ 311097, 1172864 ], [ 311277, 1173363 ] ], "transcription_note": "Final four stamped entries checked against saved page 17 crop.", "method": "AI visual transcription of original rendered annex table, with saved crops where stamps overlap coordinates.", "source_pdf_sha256": "a78bc30ef9683c43643a20248d93427c501da052538c63354586fb79e304a363", "human_verified": false, "crs_note": "Datum WGS84 is explicit in the original instrument. UTM 48N / EPSG:32648 is supported by ODC spatial dataset metadata and its SQLite CRS; the UTM zone has not been established as explicit wording in the examined legal instrument. Coordinate-plane shoelace areas do not require the UTM-zone assumption. No current legal status is inferred." }, "comparison": { "record_id": "zone-43", "instrument": "Prakas 364", "annex_row": 47, "pdf_pages": [ 17 ], "legal_map_code": 44, "reported_area_ha": 7925.0, "newly_transcribed": true, "source_vertex_count": 16, "source_geometry_type": "Polygon", "source_is_valid": true, "source_validity_reason": "Valid Geometry", "source_coordinate_plane_area_ha": 6315.1519, "source_area_interpretation": "Literal straight-line ring area; no unlisted shoreline or exclusions added", "atlas_projected_area_ha": 7909.897863744019, "atlas_geodesic_area_ha": 7909.528389988145, "atlas_is_valid": true, "atlas_validity_reason": "Valid Geometry", "atlas_outer_shell_area_ha": 11101.100051681511, "atlas_interior_ring_count": 4, "atlas_interior_ring_area_ha": 3191.2021879374925, "centroid_distance_metres": 4649.825266754225, "discrete_hausdorff_distance_metres": 8489.328244638742, "outer_boundary_discrete_hausdorff_distance_metres": 8489.328244638742, "source_vertex_distances_to_atlas_outer_boundary_metres": [ 157.8455425164152, 120.21619255094676, 456.3862896565188, 532.0166842446442, 514.5229297315608, 466.856950575334, 286.4072197417294, 1.1809447284298287, 138.82619794588913, 453.2262371122053, 104.42265256303077, 166.00213219532813, 335.8124941234446, 1.5728621785194894, 332.67673211180323, 538.3875058235217 ], "max_source_vertex_distance_to_atlas_outer_boundary_metres": 538.3875058235217, "source_vertex_set_to_atlas_vertex_set_hausdorff_metres": 8495.28680193374, "same_unordered_outer_vertex_set_within_1cm": false, "minimum_easting": 311097, "maximum_easting": 320403, "minimum_northing": 1164441, "maximum_northing": 1174747, "coordinate_values_changed": false, "source_vertices_reordered": false, "human_verified": false, "current_legal_status_verified": false, "active_geometry_replacement_warranted": false, "atlas_difference_from_reported_pct": -0.19522536292561066, "source_difference_from_reported_pct": -20.313540694006317, "intersection_over_union": 0.3032929326615918, "symmetric_difference_area_ha": 7604.347768081063, "outer_shell_intersection_over_union": 0.5035823486070229, "comparison_class": "valid_literal_ring_differs_from_atlas", "historical_match_note": "Literal schedule forms a valid straight-line ring but differs from atlas. Sparse coastal tables may omit shoreline detail; difference alone does not prove digitisation error.", "short_description": "Original annex row 47 reports 7925 ha and lists 16 coordinate pairs. The literal straight-line ring is valid and encloses 6315.1519 projected ha; its overlap with the atlas is 30.33% by intersection-over-union. Atlas area is 7909.528 geodesic ha; the farthest printed point is 538.39 m from its outer boundary. Historical comparison only; current legal status and independent survey accuracy remain unverified." }, "source_document": "legal-prakas-364.pdf#page=17" } ] }