{ "schema_version": "1.0", "asset": "Configured shapefile round-trip observations", "version": "E1", "license": "CC-BY-4.0", "license_scope": "Original compiled observations and annotations only. Source datasets, software and documentation retain their own terms. No source datasets are redistributed.", "generated_utc": "2026-10-25T02:02:44.442980+00:00", "observed_date_local": "2026-10-24", "timezone": "America/Denver", "row_count": 60, "comparison_attributes": [ "fixture", "input_schema", "input_properties", "output_schema", "output_properties", "positional_records", "coordinate_equality", "property_equality", "implementation_version", "runtime", "encoding", "configuration", "exit_status", "warnings", "harness_hash", "what_changed" ], "method_summary": "Twenty unchanged synthetic fixtures; earlier 40 PyShp/Mapshaper observations plus 20 newly executed GDAL/OGR observations. Per-run environments and dates remain separate; no ranking.", "rows": [ { "fixture_id": "F01", "fixture": "Short ASCII field", "implementation": "pyshp", "input_properties": [ { "name": "River" }, { "name": "Road" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "River" ], [ "Road" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "name", "C", 30, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "name": "River" }, { "name": "Road" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F01-pyshp", "input_schema": [ [ "name", "C", 30, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F01", "fixture": "Short ASCII field", "implementation": "mapshaper", "input_properties": [ { "name": "River" }, { "name": "Road" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F01/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F01/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F01/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F01/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F01/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F01/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "name": "River" }, { "name": "Road" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F01-mapshaper", "input_schema": [ [ "name", "C", 30, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F01-gdal-ogr", "fixture_id": "F01", "fixture": "Short ASCII field", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "name": "River" }, { "name": "Road" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "name": "River" }, { "name": "Road" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "output_field_schema": [ { "name": "name", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "name", "C", 30, 0 ] ], "source_file_sha256": "bca67e716d55d832bc2df5d5811b7052a3ddf54b38841d38602e11513c0d5f91", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F01/roundtrip.shp", "fixtures/F01/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F01/roundtrip.geojson", "gdal-e1/F01/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:52:59.610428+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F02", "fixture": "Long field name", "implementation": "pyshp", "input_properties": [ { "population_total": 1234 }, { "population_total": 5678 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ 1234 ], [ 5678 ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "population", "N", 18, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "population": 1234 }, { "population": 5678 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "population" ], "record_id": "F02-pyshp", "input_schema": [ [ "population_total", "N", 18, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "Field population_total became population (10 characters).", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F02", "fixture": "Long field name", "implementation": "mapshaper", "input_properties": [ { "population_total": 1234 }, { "population_total": 5678 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Field names were truncated to fit Shapefile's 10-character DBF limit:\n population_total -> population\n[o] Wrote fixtures/measurement_files/F02/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F02/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F02/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F02/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F02/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F02/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "population": 1234 }, { "population": 5678 } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "population" ], "record_id": "F02-mapshaper", "input_schema": [ [ "population_total", "N", 18, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "Field population_total became population (10 characters).", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F02-gdal-ogr", "fixture_id": "F02", "fixture": "Long field name", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "population_total": 1234 }, { "population_total": 5678 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "population": 1234 }, { "population": 5678 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "population" ], "output_field_schema": [ { "name": "population", "type": "Integer", "subtype": 0, "width": 9, "precision": 0 } ], "input_schema": [ [ "population_total", "N", 18, 0 ] ], "source_file_sha256": "542748e6ade0c2d855a2d807c020c854d6aed057b0778c92fa996b8a12220968", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F02/roundtrip.shp", "fixtures/F02/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F02/roundtrip.geojson", "gdal-e1/F02/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "Warning 6: Normalized/laundered field name: 'population_total' to 'population'\n" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:06.354573+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "Field population_total became population (10 characters).", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F03", "fixture": "Colliding long field names", "implementation": "pyshp", "input_properties": [ { "population_total": 10, "population_taxed": 8 }, { "population_total": 20, "population_taxed": 15 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ 10, 8 ], [ 20, 15 ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "population", "N", 18, 0 ], [ "population", "N", 18, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "population": 8 }, { "population": 15 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "population" ], "record_id": "F03-pyshp", "input_schema": [ [ "population_total", "N", 18, 0 ], [ "population_taxed", "N", 18, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "Both names became population; dictionary keys collided. Both positional values survived.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F03", "fixture": "Colliding long field names", "implementation": "mapshaper", "input_properties": [ { "population_total": 10, "population_taxed": 8 }, { "population_total": 20, "population_taxed": 15 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Field names collided after Shapefile's 10-character DBF limit; a numeric suffix was appended to keep the colliding names unique. Use -rename-fields to avoid automatic renaming.\n population_total -> population\n population_taxed -> populati_1\n[o] Wrote fixtures/measurement_files/F03/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F03/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F03/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F03/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F03/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F03/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "population": 10, "populati_1": 8 }, { "population": 20, "populati_1": 15 } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "population", "populati_1" ], "record_id": "F03-mapshaper", "input_schema": [ [ "population_total", "N", 18, 0 ], [ "population_taxed", "N", 18, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "Fields became population and populati_1; both values survived.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F03-gdal-ogr", "fixture_id": "F03", "fixture": "Colliding long field names", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "population_total": 10, "population_taxed": 8 }, { "population_total": 20, "population_taxed": 15 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "population": 10, "populati_1": 8 }, { "population": 20, "populati_1": 15 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "population", "populati_1" ], "output_field_schema": [ { "name": "population", "type": "Integer", "subtype": 0, "width": 9, "precision": 0 }, { "name": "populati_1", "type": "Integer", "subtype": 0, "width": 9, "precision": 0 } ], "input_schema": [ [ "population_total", "N", 18, 0 ], [ "population_taxed", "N", 18, 0 ] ], "source_file_sha256": "16a2d6cce7168c3a807786c1280d28ac1ba8859e880f28d3dee9cd7eb5a3e4cb", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F03/roundtrip.shp", "fixtures/F03/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F03/roundtrip.geojson", "gdal-e1/F03/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "Warning 6: Normalized/laundered field name: 'population_total' to 'population'\nWarning 6: Normalized/laundered field name: 'population_taxed' to 'populati_1'\n" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:11.108272+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "Fields became population and populati_1; both values survived.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F04", "fixture": "UTF-8 field name", "implementation": "pyshp", "input_properties": [ { "café_name": "A" }, { "café_name": "B" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "A" ], [ "B" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "café_name", "C", 30, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "café_name": "A" }, { "café_name": "B" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "café_name" ], "record_id": "F04-pyshp", "input_schema": [ [ "café_name", "C", 30, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F04", "fixture": "UTF-8 field name", "implementation": "mapshaper", "input_properties": [ { "café_name": "A" }, { "café_name": "B" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F04/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F04/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F04/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F04/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F04/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F04/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "café_name": "A" }, { "café_name": "B" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "café_name" ], "record_id": "F04-mapshaper", "input_schema": [ [ "café_name", "C", 30, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F04-gdal-ogr", "fixture_id": "F04", "fixture": "UTF-8 field name", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "café_name": "A" }, { "café_name": "B" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "café_name": "A" }, { "café_name": "B" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "café_name" ], "output_field_schema": [ { "name": "café_name", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "café_name", "C", 30, 0 ] ], "source_file_sha256": "f58758f9344b7eb3248b1924d796ff9262339478f898163c345c7ea09d1adae7", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F04/roundtrip.shp", "fixtures/F04/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F04/roundtrip.geojson", "gdal-e1/F04/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:18.030094+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F05", "fixture": "UTF-8 value", "implementation": "pyshp", "input_properties": [ { "name": "München 東京" }, { "name": "Zürich" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "München 東京" ], [ "Zürich" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "name", "C", 40, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "name": "München 東京" }, { "name": "Zürich" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F05-pyshp", "input_schema": [ [ "name", "C", 40, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F05", "fixture": "UTF-8 value", "implementation": "mapshaper", "input_properties": [ { "name": "München 東京" }, { "name": "Zürich" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F05/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F05/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F05/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F05/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F05/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F05/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "name": "München 東京" }, { "name": "Zürich" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F05-mapshaper", "input_schema": [ [ "name", "C", 40, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F05-gdal-ogr", "fixture_id": "F05", "fixture": "UTF-8 value", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "name": "München 東京" }, { "name": "Zürich" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "name": "München 東京" }, { "name": "Zürich" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "output_field_schema": [ { "name": "name", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "name", "C", 40, 0 ] ], "source_file_sha256": "6322d1966e4b6bdcfbf8357573a30018510f0503a5db94d1032a1a44c49fc413", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F05/roundtrip.shp", "fixtures/F05/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F05/roundtrip.geojson", "gdal-e1/F05/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:24.112250+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F06", "fixture": "Emoji value", "implementation": "pyshp", "input_properties": [ { "name": "Park 🌲" }, { "name": "Water 💧" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "Park 🌲" ], [ "Water 💧" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "name", "C", 40, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "name": "Park 🌲" }, { "name": "Water 💧" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F06-pyshp", "input_schema": [ [ "name", "C", 40, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F06", "fixture": "Emoji value", "implementation": "mapshaper", "input_properties": [ { "name": "Park 🌲" }, { "name": "Water 💧" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F06/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F06/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F06/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F06/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F06/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F06/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "name": "Park 🌲" }, { "name": "Water 💧" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F06-mapshaper", "input_schema": [ [ "name", "C", 40, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F06-gdal-ogr", "fixture_id": "F06", "fixture": "Emoji value", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "name": "Park 🌲" }, { "name": "Water 💧" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "name": "Park 🌲" }, { "name": "Water 💧" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "name" ], "output_field_schema": [ { "name": "name", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "name", "C", 40, 0 ] ], "source_file_sha256": "8051f037ab875eca62de2aef01ccd2f6f005c648f580e370a3b0c3cce3ab94de", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F06/roundtrip.shp", "fixtures/F06/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F06/roundtrip.geojson", "gdal-e1/F06/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:26.670966+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F07", "fixture": "Null and empty string", "implementation": "pyshp", "input_properties": [ { "name": null }, { "name": "" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "None" ], [ "" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "name", "C", 30, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "name": "None" }, { "name": "" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F07-pyshp", "input_schema": [ [ "name", "C", 30, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "Null became the text None; empty text stayed empty.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F07", "fixture": "Null and empty string", "implementation": "mapshaper", "input_properties": [ { "name": null }, { "name": "" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F07/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F07/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F07/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F07/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F07/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F07/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "name": "" }, { "name": "" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F07-mapshaper", "input_schema": [ [ "name", "C", 30, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "Null became empty text; null and empty text became indistinguishable.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F07-gdal-ogr", "fixture_id": "F07", "fixture": "Null and empty string", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "name": null }, { "name": "" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "name": null }, { "name": null } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "name" ], "output_field_schema": [ { "name": "name", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "name", "C", 30, 0 ] ], "source_file_sha256": "08e94dc3872d5698d2c588932abba0bfcde3218d3e651e6131d62d553f925ab8", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F07/roundtrip.shp", "fixtures/F07/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F07/roundtrip.geojson", "gdal-e1/F07/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:28.552847+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "Empty text became null; the original null stayed null.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F08", "fixture": "Null and integer", "implementation": "pyshp", "input_properties": [ { "count": null }, { "count": 3 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ null ], [ 3 ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "count", "N", 18, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "count": null }, { "count": 3 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "count" ], "record_id": "F08-pyshp", "input_schema": [ [ "count", "N", 18, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F08", "fixture": "Null and integer", "implementation": "mapshaper", "input_properties": [ { "count": null }, { "count": 3 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F08/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F08/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F08/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F08/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F08/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F08/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "count": null }, { "count": 3 } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "count" ], "record_id": "F08-mapshaper", "input_schema": [ [ "count", "N", 18, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F08-gdal-ogr", "fixture_id": "F08", "fixture": "Null and integer", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "count": null }, { "count": 3 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "count": null }, { "count": 3 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "count" ], "output_field_schema": [ { "name": "count", "type": "Integer", "subtype": 0, "width": 9, "precision": 0 } ], "input_schema": [ [ "count", "N", 18, 0 ] ], "source_file_sha256": "9d8cabc79f544349472b908a53d1c2718e3d057673a282e4887fa17d128c2840", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F08/roundtrip.shp", "fixtures/F08/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F08/roundtrip.geojson", "gdal-e1/F08/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:29.975004+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F09", "fixture": "Boolean values", "implementation": "pyshp", "input_properties": [ { "active": true }, { "active": false } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ true ], [ false ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "active", "L", 1, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "active": true }, { "active": false } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "active" ], "record_id": "F09-pyshp", "input_schema": [ [ "active", "L", 1, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F09", "fixture": "Boolean values", "implementation": "mapshaper", "input_properties": [ { "active": true }, { "active": false } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F09/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F09/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F09/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F09/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F09/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F09/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "active": true }, { "active": false } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "active" ], "record_id": "F09-mapshaper", "input_schema": [ [ "active", "L", 1, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F09-gdal-ogr", "fixture_id": "F09", "fixture": "Boolean values", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "active": true }, { "active": false } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "active": true }, { "active": false } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "active" ], "output_field_schema": [ { "name": "active", "type": "Integer", "subtype": 1, "width": 1, "precision": 0 } ], "input_schema": [ [ "active", "L", 1, 0 ] ], "source_file_sha256": "3fe721ef2a3472097761ec8c92199da1e8dcaeac4e67a869665be022d5acf726", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F09/roundtrip.shp", "fixtures/F09/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F09/roundtrip.geojson", "gdal-e1/F09/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:31.204744+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F10", "fixture": "Fractional precision", "implementation": "pyshp", "input_properties": [ { "value": 1.23456789 }, { "value": -4e-07 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ 1.234568 ], [ -0.0 ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "value", "N", 20, 6 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "value": 1.234568 }, { "value": -0.0 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "value" ], "record_id": "F10-pyshp", "input_schema": [ [ "value", "N", 20, 6 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "1.23456789 became 1.234568; −0.0000004 became −0.0 under the six-decimal schema.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F10", "fixture": "Fractional precision", "implementation": "mapshaper", "input_properties": [ { "value": 1.23456789 }, { "value": -4e-07 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F10/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F10/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F10/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F10/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F10/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F10/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "value": 1.23456789 }, { "value": -4e-07 } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "value" ], "record_id": "F10-mapshaper", "input_schema": [ [ "value", "N", 20, 6 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F10-gdal-ogr", "fixture_id": "F10", "fixture": "Fractional precision", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "value": 1.23456789 }, { "value": -4e-07 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "value": 1.23456789 }, { "value": -4e-07 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "value" ], "output_field_schema": [ { "name": "value", "type": "Real", "subtype": 0, "width": 24, "precision": 15 } ], "input_schema": [ [ "value", "N", 20, 6 ] ], "source_file_sha256": "bbd6c4aad81ecbb77af04c11a178ec4165658d9754a6cc86db1e5ef6a8f81232", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F10/roundtrip.shp", "fixtures/F10/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F10/roundtrip.geojson", "gdal-e1/F10/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:32.285379+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F11", "fixture": "Integer beyond JS exact range", "implementation": "pyshp", "input_properties": [ { "identifier": 9007199254740993 }, { "identifier": 9007199254740995 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ 9007199254740993 ], [ 9007199254740995 ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "identifier", "N", 20, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "identifier": 9007199254740993 }, { "identifier": 9007199254740995 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "identifier" ], "record_id": "F11-pyshp", "input_schema": [ [ "identifier", "N", 20, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F11", "fixture": "Integer beyond JS exact range", "implementation": "mapshaper", "input_properties": [ { "identifier": 9007199254740993 }, { "identifier": 9007199254740995 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F11/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F11/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F11/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F11/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F11/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F11/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "identifier": 9007199254740992 }, { "identifier": 9007199254740996 } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "identifier" ], "record_id": "F11-mapshaper", "input_schema": [ [ "identifier", "N", 20, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "9007199254740993→9007199254740992; 9007199254740995→9007199254740996.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F11-gdal-ogr", "fixture_id": "F11", "fixture": "Integer beyond JS exact range", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "identifier": 9007199254740993 }, { "identifier": 9007199254740995 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "identifier": 9007199254740993 }, { "identifier": 9007199254740995 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "identifier" ], "output_field_schema": [ { "name": "identifier", "type": "Integer64", "subtype": 0, "width": 18, "precision": 0 } ], "input_schema": [ [ "identifier", "N", 20, 0 ] ], "source_file_sha256": "f854d2f409f1edc8c00f6a091712d586ac2533d1c70ab2aa1c6b132ea680951d", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F11/roundtrip.shp", "fixtures/F11/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F11/roundtrip.geojson", "gdal-e1/F11/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:33.636741+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F12", "fixture": "Leading-zero text identifier", "implementation": "pyshp", "input_properties": [ { "code": "00123" }, { "code": "00007" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "00123" ], [ "00007" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "code", "C", 20, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "code": "00123" }, { "code": "00007" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "code" ], "record_id": "F12-pyshp", "input_schema": [ [ "code", "C", 20, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F12", "fixture": "Leading-zero text identifier", "implementation": "mapshaper", "input_properties": [ { "code": "00123" }, { "code": "00007" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F12/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F12/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F12/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F12/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F12/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F12/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "code": "00123" }, { "code": "00007" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "code" ], "record_id": "F12-mapshaper", "input_schema": [ [ "code", "C", 20, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F12-gdal-ogr", "fixture_id": "F12", "fixture": "Leading-zero text identifier", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "code": "00123" }, { "code": "00007" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "code": "00123" }, { "code": "00007" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "code" ], "output_field_schema": [ { "name": "code", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "code", "C", 20, 0 ] ], "source_file_sha256": "9fd01ac0dd3a9aa41bba1a99b589ab14ef9d91f30b00b6c3fd2926e3b443145c", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F12/roundtrip.shp", "fixtures/F12/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F12/roundtrip.geojson", "gdal-e1/F12/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:39.944156+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F13", "fixture": "ISO timestamp as text", "implementation": "pyshp", "input_properties": [ { "observed": "2026-10-23T00:00:00Z" }, { "observed": "2026-10-23T02:00:00+02:00" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "2026-10-23T00:00:00Z" ], [ "2026-10-23T02:00:00+02:00" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "observed", "C", 40, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "observed": "2026-10-23T00:00:00Z" }, { "observed": "2026-10-23T02:00:00+02:00" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "observed" ], "record_id": "F13-pyshp", "input_schema": [ [ "observed", "C", 40, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F13", "fixture": "ISO timestamp as text", "implementation": "mapshaper", "input_properties": [ { "observed": "2026-10-23T00:00:00Z" }, { "observed": "2026-10-23T02:00:00+02:00" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F13/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F13/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F13/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F13/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F13/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F13/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "observed": "2026-10-23T00:00:00Z" }, { "observed": "2026-10-23T02:00:00+02:00" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "observed" ], "record_id": "F13-mapshaper", "input_schema": [ [ "observed", "C", 40, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F13-gdal-ogr", "fixture_id": "F13", "fixture": "ISO timestamp as text", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "observed": "2026-10-23T00:00:00Z" }, { "observed": "2026-10-23T02:00:00+02:00" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "observed": "2026-10-23T00:00:00Z" }, { "observed": "2026-10-23T02:00:00+02:00" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "observed" ], "output_field_schema": [ { "name": "observed", "type": "String", "subtype": 0, "width": 29, "precision": 0 } ], "input_schema": [ [ "observed", "C", 40, 0 ] ], "source_file_sha256": "9b5d84e4fe6ce36c2ab5844d7c367956f03700fb58f34fc2fa5b8528f3c8fb4b", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F13/roundtrip.shp", "fixtures/F13/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F13/roundtrip.geojson", "gdal-e1/F13/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "Warning 6: Field observed created as String field, though DateTime requested.\n" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:46.496798+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F14", "fixture": "Calendar date as text", "implementation": "pyshp", "input_properties": [ { "date": "2024-02-29" }, { "date": "2025-02-28" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "2024-02-29" ], [ "2025-02-28" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "date", "C", 10, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "date": "2024-02-29" }, { "date": "2025-02-28" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "date" ], "record_id": "F14-pyshp", "input_schema": [ [ "date", "C", 10, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F14", "fixture": "Calendar date as text", "implementation": "mapshaper", "input_properties": [ { "date": "2024-02-29" }, { "date": "2025-02-28" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F14/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F14/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F14/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F14/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F14/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F14/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "date": "2024-02-29" }, { "date": "2025-02-28" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "date" ], "record_id": "F14-mapshaper", "input_schema": [ [ "date", "C", 10, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F14-gdal-ogr", "fixture_id": "F14", "fixture": "Calendar date as text", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "date": "2024-02-29" }, { "date": "2025-02-28" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "date": "2024-02-29" }, { "date": "2025-02-28" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "date" ], "output_field_schema": [ { "name": "date", "type": "Date", "subtype": 0, "width": 10, "precision": 0 } ], "input_schema": [ [ "date", "C", 10, 0 ] ], "source_file_sha256": "5fb7c063cdf3dbb7abcb178a44af80e1f831dbb58885497a358be8c791d9ef71", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F14/roundtrip.shp", "fixtures/F14/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F14/roundtrip.geojson", "gdal-e1/F14/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:49.457380+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F15", "fixture": "Long text", "implementation": "pyshp", "input_properties": [ { "notes": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" }, { "notes": "ok" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" ], [ "ok" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "notes", "C", 254, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "notes": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" }, { "notes": "ok" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "notes" ], "record_id": "F15-pyshp", "input_schema": [ [ "notes", "C", 254, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "The 300-byte ASCII value was cut to 254 bytes.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F15", "fixture": "Long text", "implementation": "mapshaper", "input_properties": [ { "notes": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" }, { "notes": "ok" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] [notes] Truncated 1 string to fit the 254-byte limit\n[o] Wrote fixtures/measurement_files/F15/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F15/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F15/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F15/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F15/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F15/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "notes": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" }, { "notes": "ok" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "notes" ], "record_id": "F15-mapshaper", "input_schema": [ [ "notes", "C", 254, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "The 300-byte ASCII value was cut to 254 bytes.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F15-gdal-ogr", "fixture_id": "F15", "fixture": "Long text", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "notes": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" }, { "notes": "ok" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "notes": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" }, { "notes": "ok" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "notes" ], "output_field_schema": [ { "name": "notes", "type": "String", "subtype": 0, "width": 254, "precision": 0 } ], "input_schema": [ [ "notes", "C", 254, 0 ] ], "source_file_sha256": "f3bcecdd3bbe6fff8a13cbcb2304f632fcbc7a9d67ce1f4da20aff630c51245e", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F15/roundtrip.shp", "fixtures/F15/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F15/roundtrip.geojson", "gdal-e1/F15/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "Warning 1: Value 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' of field notes has been truncated to 254 characters. This warning will not be emitted any more for that layer.\n" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:52.493429+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "The 300-byte ASCII value was cut to 254 bytes.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F16", "fixture": "Leading and trailing spaces", "implementation": "pyshp", "input_properties": [ { "name": " Lake " }, { "name": " River" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ " Lake" ], [ " River" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "name", "C", 30, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "name": " Lake" }, { "name": " River" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F16-pyshp", "input_schema": [ [ "name", "C", 30, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "Trailing spaces were removed; leading spaces survived.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F16", "fixture": "Leading and trailing spaces", "implementation": "mapshaper", "input_properties": [ { "name": " Lake " }, { "name": " River" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F16/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F16/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F16/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F16/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F16/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F16/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "name": "Lake" }, { "name": "River" } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "name" ], "record_id": "F16-mapshaper", "input_schema": [ [ "name", "C", 30, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "Leading and trailing spaces were removed.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F16-gdal-ogr", "fixture_id": "F16", "fixture": "Leading and trailing spaces", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "name": " Lake " }, { "name": " River" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "name": "Lake" }, { "name": "River" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "name" ], "output_field_schema": [ { "name": "name", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "name", "C", 30, 0 ] ], "source_file_sha256": "90709bac030d9697fe7c7b82ea2906030a2ec81565067d6f5a0d1c6b256b75e4", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F16/roundtrip.shp", "fixtures/F16/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F16/roundtrip.geojson", "gdal-e1/F16/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:55.560445+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "Leading and trailing spaces were removed.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F17", "fixture": "Nested object with declared text schema", "implementation": "pyshp", "input_properties": [ { "meta": { "source": "test", "rank": 2 } }, { "meta": { "source": "test", "rank": 3 } } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "{'source': 'test', 'rank': 2}" ], [ "{'source': 'test', 'rank': 3}" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "meta", "C", 100, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "meta": "{'source': 'test', 'rank': 2}" }, { "meta": "{'source': 'test', 'rank': 3}" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "meta" ], "record_id": "F17-pyshp", "input_schema": [ [ "meta", "C", 100, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "Nested objects became Python-style text representations.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F17", "fixture": "Nested object with declared text schema", "implementation": "mapshaper", "input_properties": [ { "meta": { "source": "test", "rank": 2 } }, { "meta": { "source": "test", "rank": 3 } } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] [meta] Unable to export object-type data, writing null values\n[o] Wrote fixtures/measurement_files/F17/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F17/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F17/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F17/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F17/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F17/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "meta": null }, { "meta": null } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "meta" ], "record_id": "F17-mapshaper", "input_schema": [ [ "meta", "C", 100, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "Nested objects became null.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F17-gdal-ogr", "fixture_id": "F17", "fixture": "Nested object with declared text schema", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "meta": { "source": "test", "rank": 2 } }, { "meta": { "source": "test", "rank": 3 } } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "meta": { "source": "test", "rank": 2 } }, { "meta": { "source": "test", "rank": 3 } } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "meta" ], "output_field_schema": [ { "name": "meta", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "meta", "C", 100, 0 ] ], "source_file_sha256": "ca5f6aa23d105cacd8f60eb3bc066eca6eb8567c8eae2606a991b650f95f07ab", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F17/roundtrip.shp", "fixtures/F17/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F17/roundtrip.geojson", "gdal-e1/F17/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:53:59.574682+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "storage_note": "The shapefile field is String; the nested object is restored in the returned GeoJSON. This does not establish native nested DBF storage.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F18", "fixture": "Array with declared text schema", "implementation": "pyshp", "input_properties": [ { "tags": [ "a", "b" ] }, { "tags": [ "c" ] } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "['a', 'b']" ], [ "['c']" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "tags", "C", 100, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "tags": "['a', 'b']" }, { "tags": "['c']" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "tags" ], "record_id": "F18-pyshp", "input_schema": [ [ "tags", "C", 100, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "Arrays became Python-style text representations.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F18", "fixture": "Array with declared text schema", "implementation": "mapshaper", "input_properties": [ { "tags": [ "a", "b" ] }, { "tags": [ "c" ] } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] [tags] Unable to export object-type data, writing null values\n[o] Wrote fixtures/measurement_files/F18/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F18/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F18/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F18/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F18/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F18/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "tags": null }, { "tags": null } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "tags" ], "record_id": "F18-mapshaper", "input_schema": [ [ "tags", "C", 100, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "Arrays became null.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F18-gdal-ogr", "fixture_id": "F18", "fixture": "Array with declared text schema", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "tags": [ "a", "b" ] }, { "tags": [ "c" ] } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "FID": 0 }, { "FID": 1 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "FID" ], "output_field_schema": [ { "name": "FID", "type": "Integer64", "subtype": 0, "width": 11, "precision": 0 } ], "input_schema": [ [ "tags", "C", 100, 0 ] ], "source_file_sha256": "f43e134d0d29f74d5ddb9575c617a9055966d08847e11bfca89f5d5a60f9e493", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F18/roundtrip.shp", "fixtures/F18/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F18/roundtrip.geojson", "gdal-e1/F18/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "Warning 1: The output driver does not natively support StringList type for field tags. Misconversion can happen. -mapFieldType can be used to control field type conversion.\nERROR 6: Can't create fields of type StringList on shapefile layers.\n" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:54:02.048029+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "The tags array field was dropped; generated FID values 0 and 1 appeared.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F19", "fixture": "Negative numeric value", "implementation": "pyshp", "input_properties": [ { "value": -123.125 }, { "value": 0.0 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ -123.125 ], [ 0.0 ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "value", "N", 20, 6 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "value": -123.125 }, { "value": 0.0 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "value" ], "record_id": "F19-pyshp", "input_schema": [ [ "value", "N", 20, 6 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F19", "fixture": "Negative numeric value", "implementation": "mapshaper", "input_properties": [ { "value": -123.125 }, { "value": 0.0 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F19/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F19/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F19/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F19/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F19/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F19/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "value": -123.125 }, { "value": 0 } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "value" ], "record_id": "F19-mapshaper", "input_schema": [ [ "value", "N", 20, 6 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "None in returned properties or coordinates.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F19-gdal-ogr", "fixture_id": "F19", "fixture": "Negative numeric value", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "value": -123.125 }, { "value": 0.0 } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "value": -123.125 }, { "value": 0.0 } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": true, "coordinates_exact": true, "output_field_names": [ "value" ], "output_field_schema": [ { "name": "value", "type": "Real", "subtype": 0, "width": 24, "precision": 15 } ], "input_schema": [ [ "value", "N", 20, 6 ] ], "source_file_sha256": "a9deb7c2c36214877c510bbd8eec845536ac0fbe42c6bd581e881d437b19b91b", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F19/roundtrip.shp", "fixtures/F19/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F19/roundtrip.geojson", "gdal-e1/F19/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:54:03.285368+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "None in returned properties or coordinates.", "run_id": "E1-GDAL-OGR" }, { "fixture_id": "F20", "fixture": "Mixed types with declared text schema", "implementation": "pyshp", "input_properties": [ { "value": 42 }, { "value": "text" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_positional_records": [ [ "42" ], [ "text" ] ], "dictionary_projection_note": "Duplicate DBF names can collide in as_dict(); positional record values are retained separately, so a projected-key loss is not proof of file-value loss.", "output_field_schema": [ [ "value", "C", 40, 0 ] ], "configuration": "Explicit per-fixture DBF schema; UTF-8; direct Writer/Reader. Nested/list values use library text conversion.", "status": "completed", "output_properties": [ { "value": "42" }, { "value": "text" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "value" ], "record_id": "F20-pyshp", "input_schema": [ [ "value", "C", 40, 0 ] ], "implementation_version": "3.1.6", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S026" ], "commands": [], "what_changed": "Numeric 42 became text 42; the existing text value survived.", "run_id": "P3-PyShp-Mapshaper" }, { "fixture_id": "F20", "fixture": "Mixed types with declared text schema", "implementation": "mapshaper", "input_properties": [ { "value": 42 }, { "value": "text" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "commands": [ [ "node", "mapshaper", "input.geojson", "-o", "mapshaper.shp", "format=shapefile", "encoding=utf8", "force" ], [ "node", "mapshaper", "mapshaper.shp", "-o", "mapshaper.geojson", "format=geojson", "force" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F20/mapshaper.shp\n[o] Wrote fixtures/measurement_files/F20/mapshaper.shx\n[o] Wrote fixtures/measurement_files/F20/mapshaper.dbf\n[o] Wrote fixtures/measurement_files/F20/mapshaper.cpg\n[o] Wrote fixtures/measurement_files/F20/mapshaper.prj\n" }, { "returncode": 0, "stdout": "", "stderr": "[o] Wrote fixtures/measurement_files/F20/mapshaper.geojson\n" } ], "configuration": "GeoJSON input; automatically inferred DBF types; UTF-8 output; default reader; no repair, simplification or reprojection.", "status": "completed", "output_properties": [ { "value": 42 }, { "value": null } ], "output_point_coordinates": [ [ -105, 40 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "value" ], "record_id": "F20-mapshaper", "input_schema": [ [ "value", "C", 40, 0 ] ], "implementation_version": "0.7.97", "measured_at_utc": "2026-10-25T00:02:38.465761+00:00", "baseline_semantic_match": true, "source_ids": [ "S027" ], "what_changed": "The text value became null; numeric 42 survived.", "run_id": "P3-PyShp-Mapshaper" }, { "record_id": "F20-gdal-ogr", "fixture_id": "F20", "fixture": "Mixed types with declared text schema", "implementation": "gdal-ogr", "implementation_version": "3.11.5", "input_properties": [ { "value": 42 }, { "value": "text" } ], "input_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "output_properties": [ { "value": "42" }, { "value": "text" } ], "output_point_coordinates": [ [ -105.0, 40.0 ], [ -104.999, 40.001 ] ], "properties_exact": false, "coordinates_exact": true, "output_field_names": [ "value" ], "output_field_schema": [ { "name": "value", "type": "String", "subtype": 0, "width": 80, "precision": 0 } ], "input_schema": [ [ "value", "C", 40, 0 ] ], "source_file_sha256": "1b4dc5aeb922c45ea91b615a9d4460e93e1e98574109ccb8cb792181a903bbd9", "status": "completed", "configuration": "ogr2ogr GeoJSON → ESRI Shapefile with ENCODING=UTF-8 → GeoJSON; inferred schema; no field casts, repair, simplification or reprojection.", "commands": [ [ "ogr2ogr", "-f", "ESRI Shapefile", "gdal-e1/F20/roundtrip.shp", "fixtures/F20/input.geojson", "-lco", "ENCODING=UTF-8" ], [ "ogr2ogr", "-f", "GeoJSON", "gdal-e1/F20/roundtrip.geojson", "gdal-e1/F20/roundtrip.shp" ] ], "process_logs": [ { "returncode": 0, "stdout": "", "stderr": "" }, { "returncode": 0, "stdout": "", "stderr": "" } ], "measured_at_utc": "2026-10-25T01:54:04.720272+00:00", "environment": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" }, "source_ids": [ "E1-GDAL-OGR", "E1-GDAL-SHAPEFILE" ], "what_changed": "Numeric 42 became text 42; the existing text value survived.", "run_id": "E1-GDAL-OGR" } ], "environment": { "platform": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.14", "pyshp": "3.1.6", "node": "v24.19.0", "mapshaper": "0.7.97", "encoding": "UTF-8", "geometry_scope": "Two 2D Points per original fixture; no CRS transformation or geometry validity benchmark." }, "executed_at_utc": "2026-10-25T00:02:38.465761+00:00", "fixture_count": 20, "observation_count": 60, "baseline_measured_at_utc": "2026-10-23T06:30:38.387836+00:00", "baseline_harness_sha256": "2c1a9a504eb2129ed8f712d75696a48ad83abe5122dcbfbc98e97b1c19f3768b", "rerun_harness_sha256": "158793e0c45013c081fff854098e8645ff048f86f2f02598b00a6cba48292b3b", "summary": { "pyshp": { "completed": 20, "properties_exact": 11, "coordinates_exact": 20 }, "mapshaper": { "completed": 20, "properties_exact": 11, "coordinates_exact": 20 }, "gdal-ogr": { "completed": 20, "properties_exact": 13, "coordinates_exact": 20 } }, "browser": { "current_run": "../measurements/shapefile-viewer-e1.json", "sha256": "0f3d1a8dbb6f5c9dc666296fb63b8cbafbbd6361ac1e10579c2b445c209622ea", "historical_40_row_run": "../measurements/dataset-viewers.json", "scope": "Only local table filtering; not a GIS pipeline execution." }, "environments": { "P3-PyShp-Mapshaper": { "platform": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.14", "pyshp": "3.1.6", "node": "v24.19.0", "mapshaper": "0.7.97", "encoding": "UTF-8", "geometry_scope": "Two 2D Points per original fixture; no CRS transformation or geometry validity benchmark." }, "E1-GDAL-OGR": { "os": "macOS-27.0.1-arm64-arm-64bit", "machine": "arm64", "python": "3.12.15", "gdal": "GDAL 3.11.5 \"Eganville\", released 2025/10/29", "manager": "micromamba 2.9.0", "encoding": "UTF-8" } }, "observation_runs": [ { "run_id": "P3-PyShp-Mapshaper", "observations": 40, "executed_at_utc": "2026-10-25T00:02:38.465761+00:00", "record": "../../review/evidence/D2/earlier-runs/P3/index.json" }, { "run_id": "E1-GDAL-OGR", "observations": 20, "executed_at_utc": "2026-10-25T01:54:04.720272+00:00", "runner_sha256": "787142923a0a59910be57d7b864b2b79802b697518088a0a624ee535ef50c2cc", "record": "../../review/evidence/gdal-e1/gdal-ogr-observations.json" } ] }