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"start_elevation_m": 72.13513544075003, "end_elevation_m": 73.03167130479308, "start_xy": [ 472372.6171614376, 6421607.961736213 ], "end_xy": [ 472372.3367909758, 6421610.941944195 ] } }, "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.", "quality_summary": { "review": [], "extent": [] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "1fdce5675710635f7d792d2698dde23852a9a509", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:dc124aecb16fc37d", "python": "3.12.12", "numpy": "2.5.2", "rasterio": "1.5.1", "pyproj": "3.7.2", "laspy": "2.7.0", "shapely": "2.1.2", "pyosmium": "4.3.1", "libosmium": "2.23.1", "gdal": "3.12.4", "proj": "9.5.1", "run_id": "remeasure-261021", "road_pbf": "block-batch-fr-so2.osm.pbf", "region_key": "france", "crs": "EPSG:2154", "elevation_provider_key": "ign-lidarhd", "tile_index": "wms-grid", "authority": "bdtopo", "registry_pbf": "france-vosges-2026-09-16.osm.pbf", "tile_index_snapshot": "sha256:8af96475a31b8943" }, "sample_interval_m": 1.0, "interpolation": "bilinear", "smoothing": "none", "gradient_windows_m": [ 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "diagnostic_windows_m": [ 2.0, 3.0 ], "elevation_crs": "EPSG:2154", "elevation_resolution_m": 0.5, "elevation_tiles": [ "data/cache/fr/ign-lidarhd_dtm_E472-N6421_0m5@21LHD2GN-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E472-N6422_0m5@21LHD2GN-2024-12-13.tif" ], "calculated_at": "2026-10-21T04:15:32+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-so2.osm.pbf", "osm_snapshot": "", "run_id": "remeasure-261021", "elevation_provider": "IGN LiDAR HD MNT 0.5 m", "elevation_licence": "Licence Ouverte / Open Licence 2.0 (Etalab) \u2014 \u00a9 IGN, LiDAR HD (MNT/MNS), data.geopf.fr; reproduction autoris\u00e9e avec mention de la source et de la date", "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69", "elevation_vertical_datum": "IGN69", "elevation_tile_ids": [ "E472-N6421", "E472-N6422" ], "elevation_blocks": [ "21LHD2GN@2024-12-13" ], "ign_dalles": [ "LHD_FXX_0472_6422_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0472_6423_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD2GN" ], "ign_editions": [ "2024-12-13" ], "ign_dsm_edition": { "LHD_FXX_0472_6422_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0472_6423_MNT_O_0M50_LAMB93_IGN69": "2024-12-13" }, "route_cut_m": 673.0, "climb_origin": "discovered", "seam_filled_samples": { "count": 0, "distances_m": [] }, "seam_filled_in_maximum": false, "canopy_check": "unavailable \u2014 surface model missing: IGN WMS GetMap failed for https://data.geopf.fr/wms-r?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&EXCEPTIONS=text%2Fxml&LAYERS=IGNF_LIDAR-HD_MNS_ELEVATION.ELEVATIONGRIDCOVERAGE.LAMB93&STYLES=&FORMAT=image%2Fgeotiff&CRS=EPSG%3A2154&BBOX=471999.75%2C6422000.25%2C472999.75%2C6423000.25&WIDTH=2000&HEIGHT=2000: HTTPSConnectionPool(host='data.geopf.fr', port=443): Max retries exceeded with url: /wms-r?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&EXCEPTIONS=text%2Fxml&LAYERS=IGNF_LIDAR-HD_MNS_ELEVATION.ELEVATIONGRIDCOVERAGE.LAMB93&STYLES=&FORMAT=image%2Fgeotiff&CRS=EPSG%3A2154&BBOX=471999.75%2C6422000.25%2C472999.75%2C6423000.25&WIDTH=2000&HEIGHT=2000 (Caused by ConnectTimeoutError(, 'Connection to data.geopf.fr timed out. (connect timeout=600)'))", "structure_own_ways": "none \u2014 the route carried no way list and no mapped way runs along it; own decks unmasked", "tunnel_check": "unavailable \u2014 the route carried no way list and no authority tunnel spans were supplied; tunnels unchecked", "carriageway": { "stations": 33, "stations_resolved": 33, "width_median_m": 5.5, "width_p10_m": 2.05, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.455, "unbounded_share": 0.545, "confidence_median": 0.0, "width_median_bounded_m": 5.5, "window_m": [ 593.0, 618.0 ], "width_at_max25_m": 2.25, "window_stations": 7, "single_track": false, "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule", "status": "ok", "source": "dtm", "station_m": 25.0, "window_station_m": 5.0, "halfwidth_m": 6.0, "step_m": 0.25, "level_tol_m": 0.12, "break_min_m": 0.3, "stations_failed": 0, "hedge_to_hedge": { "status": "unavailable \u2014 no DSM raster (surface model absent or point-cloud only, which cannot serve off-line samples)" } }, "remeasured": { "on": "2026-10-22", "why": "re-measure fold 2026-10-22 (fold set)", "published_max25_pct": 23.88, "max25_pct": 23.88, "published_length_m": 1350.228886809194, "length_m": 672.999999999674, "expected_length_m": 673.0 }, "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "V\u00e9lines", "county": "Dordogne", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }