{ "ocl_version": "0.1.0", "name": "Discovered lane (42.7766, 1.7281)", "slug": "discovered-lane-42-7766-1-7281", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 26.466987608796444, "diagnostic": true, "flags": [], "start_distance_m": 536.0, "end_distance_m": 538.0, "start_elevation_m": 603.5834353259808, "end_elevation_m": 604.1127750781567, "min_gradient_pct": -7.7149303180135576 }, { "window_m": 3.0, "max_gradient_pct": 25.949216084181142, "diagnostic": true, "flags": [], "start_distance_m": 535.0, "end_distance_m": 538.0, "start_elevation_m": 603.3342985956313, "end_elevation_m": 604.1127750781567, "min_gradient_pct": -2.6814670583879283 }, { "window_m": 5.0, "max_gradient_pct": 25.702302809645516, "diagnostic": false, "flags": [], "start_distance_m": 534.0, "end_distance_m": 539.0, "start_elevation_m": 603.0751092951186, "end_elevation_m": 604.3602244356009, "min_gradient_pct": 0.96904754810339 }, { "window_m": 10.0, "max_gradient_pct": 24.344056680037056, "diagnostic": false, "flags": [], "start_distance_m": 533.0, "end_distance_m": 543.0, "start_elevation_m": 602.8470612070071, "end_elevation_m": 605.2814668750108, "min_gradient_pct": 1.3676011941356592 }, { "window_m": 20.0, "max_gradient_pct": 23.06632635522533, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 534.0, "end_distance_m": 554.0, "start_elevation_m": 603.0751092951186, "end_elevation_m": 607.6883745661637, "min_gradient_pct": 1.5901585952906316 }, { "window_m": 25.0, "max_gradient_pct": 22.765625296142844, "diagnostic": false, "flags": [], "start_distance_m": 533.0, "end_distance_m": 558.0, "start_elevation_m": 602.8470612070071, "end_elevation_m": 608.5384675310428, "min_gradient_pct": 1.764742429096259 }, { "window_m": 50.0, "max_gradient_pct": 19.1196957308307, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 573.0, "end_distance_m": 623.0, "start_elevation_m": 610.3151549128552, "end_elevation_m": 619.8750027782705, "min_gradient_pct": 2.268736978143579 }, { "window_m": 100.0, "max_gradient_pct": 18.074935048140674, "diagnostic": false, "flags": [ "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 523.0, "end_distance_m": 623.0, "start_elevation_m": 601.8000677301299, "end_elevation_m": 619.8750027782705, "min_gradient_pct": 3.418100574460368, "suppressed_min_gradient_pct": 3.010369780267638, "suppressed_min_location_m": [ 80.0, 180.0 ] } ], "shape": { "ascent_concentration": 0.457, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 100.0, "shape_class": "stepped" }, "length_m": 623.5873214666368, "start_elevation_m": 572.2793542812637, "end_elevation_m": 619.9809635263518, "endpoint_gain_m": 47.70160924508809, "overall_gradient_pct": 7.649547642004173, "accumulated_ascent_m": 47.89310954115365, "window_maxima": { "max_5m": { "gradient_pct": 25.702302809645516, "start_distance_m": 534.0, "end_distance_m": 539.0, "midpoint_distance_m": 536.5, "start_elevation_m": 603.0751092951186, "end_elevation_m": 604.3602244356009, "start_xy": [ 595835.7007072273, 6187161.628696986 ], "end_xy": [ 595833.3500366634, 6187165.9665469 ] }, "max_10m": { "gradient_pct": 24.344056680037056, "start_distance_m": 533.0, "end_distance_m": 543.0, "midpoint_distance_m": 538.0, "start_elevation_m": 602.8470612070071, "end_elevation_m": 605.2814668750108, "start_xy": [ 595835.8496534537, 6187160.686475444 ], "end_xy": [ 595830.2334449294, 6187168.473907257 ] }, "max_20m": { "gradient_pct": 23.06632635522533, "start_distance_m": 534.0, "end_distance_m": 554.0, "midpoint_distance_m": 544.0, "start_elevation_m": 603.0751092951186, "end_elevation_m": 607.6883745661637, "start_xy": [ 595835.7007072273, 6187161.628696986 ], "end_xy": [ 595820.2488010135, 6187172.90157094 ] }, "max_25m": { "gradient_pct": 22.765625296142844, "start_distance_m": 533.0, "end_distance_m": 558.0, "midpoint_distance_m": 545.5, "start_elevation_m": 602.8470612070071, "end_elevation_m": 608.5384675310428, "start_xy": [ 595835.8496534537, 6187160.686475444 ], "end_xy": [ 595816.4966345619, 6187174.284723236 ] }, "max_50m": { "gradient_pct": 19.1196957308307, "start_distance_m": 573.0, "end_distance_m": 623.0, "midpoint_distance_m": 598.0, "start_elevation_m": 610.3151549128552, "end_elevation_m": 619.8750027782705, "start_xy": [ 595802.1781259831, 6187178.754657473 ], "end_xy": [ 595785.2232748145, 6187222.606049777 ] }, "max_100m": { "gradient_pct": 18.074935048140674, "start_distance_m": 523.0, "end_distance_m": 623.0, "midpoint_distance_m": 573.0, "start_elevation_m": 601.8000677301299, "end_elevation_m": 619.8750027782705, "start_xy": [ 595841.6210298736, 6187156.596562218 ], "end_xy": [ 595785.2232748145, 6187222.606049777 ] } }, "window_minima": { "min_5m": { "gradient_pct": 0.96904754810339, "start_distance_m": 97.0, "end_distance_m": 102.0, "midpoint_distance_m": 99.5, "start_elevation_m": 578.1265176166762, "end_elevation_m": 578.1749699940814, "start_xy": [ 596139.8522738793, 6186955.949652385 ], "end_xy": [ 596138.9733898491, 6186960.871802612 ] }, "min_10m": { "gradient_pct": 1.3676011941356592, "start_distance_m": 97.0, "end_distance_m": 107.0, "midpoint_distance_m": 102.0, "start_elevation_m": 578.1265176166762, "end_elevation_m": 578.2632777360898, "start_xy": [ 596139.8522738793, 6186955.949652385 ], "end_xy": [ 596138.0945058188, 6186965.793952839 ] }, "min_20m": { "gradient_pct": 1.5901585952906316, "start_distance_m": 93.0, "end_distance_m": 113.0, "midpoint_distance_m": 103.0, "start_elevation_m": 578.0282209885969, "end_elevation_m": 578.346252707655, "start_xy": [ 596140.5553811037, 6186952.011932203 ], "end_xy": [ 596137.0398449824, 6186971.7005331125 ] }, "min_25m": { "gradient_pct": 1.764742429096259, "start_distance_m": 91.0, "end_distance_m": 116.0, "midpoint_distance_m": 103.5, "start_elevation_m": 577.9790896917752, "end_elevation_m": 578.4202752990493, "start_xy": [ 596140.9069347157, 6186950.043072112 ], "end_xy": [ 596136.5125145643, 6186974.653823249 ] }, "min_50m": { "gradient_pct": 2.268736978143579, "start_distance_m": 80.0, "end_distance_m": 130.0, "midpoint_distance_m": 105.0, "start_elevation_m": 577.7103884407867, "end_elevation_m": 578.8447569298585, "start_xy": [ 596145.0241726476, 6186940.027587903 ], "end_xy": [ 596134.0516392796, 6186988.435843886 ] }, "min_100m": { "gradient_pct": 3.418100574460368, "start_distance_m": 65.0, "end_distance_m": 165.0, "midpoint_distance_m": 115.0, "start_elevation_m": 576.6233053316745, "end_elevation_m": 580.0414059061349, "start_xy": [ 596136.0487811788, 6186928.196538845 ], "end_xy": [ 596126.4507676547, 6187022.04579587 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 26.466987608796444, "start_distance_m": 536.0, "end_distance_m": 538.0, "midpoint_distance_m": 537.0, "start_elevation_m": 603.5834353259808, "end_elevation_m": 604.1127750781567, "start_xy": [ 595834.866355053, 6187163.446348341 ], "end_xy": [ 595834.0320028788, 6187165.263999696 ] }, "max_3m": { "gradient_pct": 25.949216084181142, "start_distance_m": 535.0, "end_distance_m": 538.0, "midpoint_distance_m": 536.5, "start_elevation_m": 603.3342985956313, "end_elevation_m": 604.1127750781567, "start_xy": [ 595835.2835311402, 6187162.537522663 ], "end_xy": [ 595834.0320028788, 6187165.263999696 ] } }, "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": { "structure_suppression": { "masked_fraction": 0.066, "windows_resited": [], "windows_unresolved": [], "minima_resited": [ 100.0 ], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.23, "obstruction_max_height_m": 19.43, "flagged_windows_m": [ 20, 50, 100 ] }, "excluded_ranges_m": [ [ 166.0, 206.0 ] ], "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "937d2a005af5491e462567d7f33ab563f033918b", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:0048c2bbb24ab95e", "python": "3.14.4", "numpy": "2.5.3", "rasterio": "1.5.1", "pyproj": "3.8.0", "laspy": "2.7.0", "shapely": "2.1.2", "pyosmium": "4.3.1", "libosmium": "2.23.1", "gdal": "3.12.4", "proj": "9.8.1", "run_id": "fr-pyr3", "road_pbf": "block-batch-fr-pyr3.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": "sha256:79dd257545ed11dc" }, "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_E595-N6186_0m5@21LHD3JR2-2025-04-11.tif", "data/cache/fr/ign-lidarhd_dtm_E595-N6187_0m5@21LHD3JR2-2025-04-11.tif", "data/cache/fr/ign-lidarhd_dtm_E596-N6186_0m5@21LHD3JR2-2025-04-11.tif", "data/cache/fr/ign-lidarhd_dtm_E596-N6187_0m5@21LHD3JR2-2025-04-11.tif" ], "calculated_at": "2026-09-20T09:05:08+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr3.osm.pbf", "osm_snapshot": "", "run_id": "fr-pyr3", "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": [ "E595-N6186", "E595-N6187", "E596-N6186", "E596-N6187" ], "elevation_blocks": [ "21LHD3JR2@2025-04-11" ], "ign_dalles": [ "LHD_FXX_0595_6187_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0595_6188_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0596_6187_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0596_6188_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3JR2" ], "ign_editions": [ "2025-04-11" ], "ign_dsm_edition": { "LHD_FXX_0595_6187_MNT_O_0M50_LAMB93_IGN69": "2025-04-11", "LHD_FXX_0595_6188_MNT_O_0M50_LAMB93_IGN69": "2025-04-11", "LHD_FXX_0596_6187_MNT_O_0M50_LAMB93_IGN69": "2025-04-11", "LHD_FXX_0596_6188_MNT_O_0M50_LAMB93_IGN69": "2025-04-11" }, "climb_origin": "discovered", "structure_own_ways": 5, "structure_mask_ranges_m": [ [ 171.3, 201.3 ] ], "carriageway": { "stations": 31, "stations_resolved": 31, "width_median_m": 5.25, "width_p10_m": 4.0, "width_min_m": 2.5, "width_max_m": 12.0, "bounded_share": 0.258, "unbounded_share": 0.742, "confidence_median": 0.0, "width_median_bounded_m": 4.88, "window_m": [ 533.0, 558.0 ], "width_at_max25_m": 4.25, "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": { "stations": 31, "stations_resolved": 31, "width_median_m": 4.5, "width_p10_m": 1.0, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.71, "unbounded_share": 0.29, "confidence_median": 1.0, "width_median_bounded_m": 2.75, "window_m": [ 533.0, 558.0 ], "width_at_max25_m": 4.25, "window_stations": 7, "status": "ok", "source": "dsm", "station_m": 25.0, "window_station_m": 5.0, "halfwidth_m": 6.0, "step_m": 0.25, "level_tol_m": 0.5, "break_min_m": 0.3, "stations_failed": 0 } }, "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Urs", "county": "Ari\u00e8ge", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }