{ "ocl_version": "0.1.0", "name": "Discovered lane (42.4954, 2.0782)", "slug": "discovered-lane-42-4954-2-0782", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 21.089410908427908, "diagnostic": true, "flags": [], "start_distance_m": 693.0, "end_distance_m": 695.0, "start_elevation_m": 1601.2819524419222, "end_elevation_m": 1601.7037406600907, "min_gradient_pct": -1.5874929239089397 }, { "window_m": 3.0, "max_gradient_pct": 21.464750659568683, "diagnostic": true, "flags": [], "start_distance_m": 693.0, "end_distance_m": 696.0, "start_elevation_m": 1601.2819524419222, "end_elevation_m": 1601.9258949617092, "min_gradient_pct": -1.188521335355593 }, { "window_m": 5.0, "max_gradient_pct": 21.200745505061604, "diagnostic": false, "flags": [], "start_distance_m": 693.0, "end_distance_m": 698.0, "start_elevation_m": 1601.2819524419222, "end_elevation_m": 1602.3419897171752, "min_gradient_pct": -0.6620026819746272 }, { "window_m": 10.0, "max_gradient_pct": 20.76784279963249, "diagnostic": false, "flags": [], "start_distance_m": 688.0, "end_distance_m": 698.0, "start_elevation_m": 1600.265205437212, "end_elevation_m": 1602.3419897171752, "min_gradient_pct": 0.07142682202356809 }, { "window_m": 20.0, "max_gradient_pct": 20.476213061701856, "diagnostic": false, "flags": [], "start_distance_m": 688.0, "end_distance_m": 708.0, "start_elevation_m": 1600.265205437212, "end_elevation_m": 1604.3604480495524, "min_gradient_pct": 0.40160697624514796 }, { "window_m": 25.0, "max_gradient_pct": 20.44735804541051, "diagnostic": false, "flags": [], "start_distance_m": 690.0, "end_distance_m": 715.0, "start_elevation_m": 1600.6690030370887, "end_elevation_m": 1605.7808425484413, "min_gradient_pct": 0.5770933547501045 }, { "window_m": 50.0, "max_gradient_pct": 20.129529986073976, "diagnostic": false, "flags": [], "start_distance_m": 665.0, "end_distance_m": 715.0, "start_elevation_m": 1595.7160775554044, "end_elevation_m": 1605.7808425484413, "min_gradient_pct": 0.7716674278876781 }, { "window_m": 100.0, "max_gradient_pct": 18.513035593835866, "diagnostic": false, "flags": [], "start_distance_m": 631.0, "end_distance_m": 731.0, "start_elevation_m": 1589.9563116950299, "end_elevation_m": 1608.4693472888657, "min_gradient_pct": 2.0452254768651983 } ], "shape": { "ascent_concentration": 0.363, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 124.0, "shape_class": "sustained" }, "length_m": 969.4168125161478, "start_elevation_m": 1535.6923495795727, "end_elevation_m": 1617.6146404296694, "endpoint_gain_m": 81.92229085009672, "overall_gradient_pct": 8.450677746909008, "accumulated_ascent_m": 82.06221354847094, "window_maxima": { "max_5m": { "gradient_pct": 21.200745505061604, "start_distance_m": 693.0, "end_distance_m": 698.0, "midpoint_distance_m": 695.5, "start_elevation_m": 1601.2819524419222, "end_elevation_m": 1602.3419897171752, "start_xy": [ 623957.3159154184, 6155932.651894225 ], "end_xy": [ 623955.2410184991, 6155937.201048297 ] }, "max_10m": { "gradient_pct": 20.76784279963249, "start_distance_m": 688.0, "end_distance_m": 698.0, "midpoint_distance_m": 693.0, "start_elevation_m": 1600.265205437212, "end_elevation_m": 1602.3419897171752, "start_xy": [ 623959.3908123379, 6155928.102740153 ], "end_xy": [ 623955.2410184991, 6155937.201048297 ] }, "max_20m": { "gradient_pct": 20.476213061701856, "start_distance_m": 688.0, "end_distance_m": 708.0, "midpoint_distance_m": 698.0, "start_elevation_m": 1600.265205437212, "end_elevation_m": 1604.3604480495524, "start_xy": [ 623959.3908123379, 6155928.102740153 ], "end_xy": [ 623951.3617528733, 6155946.416714235 ] }, "max_25m": { "gradient_pct": 20.44735804541051, "start_distance_m": 690.0, "end_distance_m": 715.0, "midpoint_distance_m": 702.5, "start_elevation_m": 1600.6690030370887, "end_elevation_m": 1605.7808425484413, "start_xy": [ 623958.5608535701, 6155929.922401781 ], "end_xy": [ 623948.6959175986, 6155952.889219336 ] }, "max_50m": { "gradient_pct": 20.129529986073976, "start_distance_m": 665.0, "end_distance_m": 715.0, "midpoint_distance_m": 690.0, "start_elevation_m": 1595.7160775554044, "end_elevation_m": 1605.7808425484413, "start_xy": [ 623968.1832767973, 6155906.853252778 ], "end_xy": [ 623948.6959175986, 6155952.889219336 ] }, "max_100m": { "gradient_pct": 18.513035593835866, "start_distance_m": 631.0, "end_distance_m": 731.0, "midpoint_distance_m": 681.0, "start_elevation_m": 1589.9563116950299, "end_elevation_m": 1608.4693472888657, "start_xy": [ 623977.3770036838, 6155874.1390138455 ], "end_xy": [ 623942.6960131259, 6155967.719996269 ] } }, "window_minima": { "min_5m": { "gradient_pct": -0.6620026819746272, "start_distance_m": 864.0, "end_distance_m": 869.0, "midpoint_distance_m": 866.5, "start_elevation_m": 1611.7417138933088, "end_elevation_m": 1611.70861375921, "start_xy": [ 624005.8597091872, 6156065.382831526 ], "end_xy": [ 624010.075552874, 6156068.07107668 ] }, "min_10m": { "gradient_pct": 0.07142682202356809, "start_distance_m": 859.0, "end_distance_m": 869.0, "midpoint_distance_m": 864.0, "start_elevation_m": 1611.7014710770077, "end_elevation_m": 1611.70861375921, "start_xy": [ 624001.6438655003, 6156062.694586372 ], "end_xy": [ 624010.075552874, 6156068.07107668 ] }, "min_20m": { "gradient_pct": 0.40160697624514796, "start_distance_m": 821.0, "end_distance_m": 841.0, "midpoint_distance_m": 831.0, "start_elevation_m": 1611.344664233759, "end_elevation_m": 1611.424985629008, "start_xy": [ 623969.7648986238, 6156042.0185974045 ], "end_xy": [ 623986.4668282279, 6156053.016903817 ] }, "min_25m": { "gradient_pct": 0.5770933547501045, "start_distance_m": 819.0, "end_distance_m": 844.0, "midpoint_distance_m": 831.5, "start_elevation_m": 1611.321782451446, "end_elevation_m": 1611.4660557901336, "start_xy": [ 623968.110205192, 6156040.895214279 ], "end_xy": [ 623988.99633444, 6156054.629850909 ] }, "min_50m": { "gradient_pct": 0.7716674278876781, "start_distance_m": 820.0, "end_distance_m": 870.0, "midpoint_distance_m": 845.0, "start_elevation_m": 1611.3304091651855, "end_elevation_m": 1611.7162428791294, "start_xy": [ 623968.9375519078, 6156041.456905842 ], "end_xy": [ 624010.3390113871, 6156068.727960252 ] }, "min_100m": { "gradient_pct": 2.0452254768651983, "start_distance_m": 750.0, "end_distance_m": 850.0, "midpoint_distance_m": 800.0, "start_elevation_m": 1609.496939436225, "end_elevation_m": 1611.5421649130901, "start_xy": [ 623936.1137467204, 6155985.543401358 ], "end_xy": [ 623994.0553468642, 6156057.855745095 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 21.089410908427908, "start_distance_m": 693.0, "end_distance_m": 695.0, "midpoint_distance_m": 694.0, "start_elevation_m": 1601.2819524419222, "end_elevation_m": 1601.7037406600907, "start_xy": [ 623957.3159154184, 6155932.651894225 ], "end_xy": [ 623956.4859566508, 6155934.471555853 ] }, "max_3m": { "gradient_pct": 21.464750659568683, "start_distance_m": 693.0, "end_distance_m": 696.0, "midpoint_distance_m": 694.5, "start_elevation_m": 1601.2819524419222, "end_elevation_m": 1601.9258949617092, "start_xy": [ 623957.3159154184, 6155932.651894225 ], "end_xy": [ 623956.0709772669, 6155935.381386668 ] } }, "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": { "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.026, "obstruction_max_height_m": 8.01, "flagged_windows_m": [] }, "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_E623-N6155_0m5@21LHD3JS-2025-03-26.tif", "data/cache/fr/ign-lidarhd_dtm_E623-N6156_0m5@21LHD3JS-2025-03-26.tif", "data/cache/fr/ign-lidarhd_dtm_E624-N6155_0m5@21LHD3JS-2025-03-26.tif", "data/cache/fr/ign-lidarhd_dtm_E624-N6156_0m5@21LHD3JS-2025-03-26.tif" ], "calculated_at": "2026-09-20T08:49:10+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": [ "E623-N6155", "E623-N6156", "E624-N6155", "E624-N6156" ], "elevation_blocks": [ "21LHD3JS@2025-03-26" ], "ign_dalles": [ "LHD_FXX_0623_6156_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0623_6157_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0624_6156_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0624_6157_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3JS" ], "ign_editions": [ "2025-03-26" ], "ign_dsm_edition": { "LHD_FXX_0623_6156_MNT_O_0M50_LAMB93_IGN69": "2025-03-26", "LHD_FXX_0623_6157_MNT_O_0M50_LAMB93_IGN69": "2025-03-26", "LHD_FXX_0624_6156_MNT_O_0M50_LAMB93_IGN69": "2025-03-26", "LHD_FXX_0624_6157_MNT_O_0M50_LAMB93_IGN69": "2025-03-26" }, "climb_origin": "discovered", "structure_own_ways": 4, "carriageway": { "stations": 44, "stations_resolved": 44, "width_median_m": 4.75, "width_p10_m": 3.25, "width_min_m": 2.5, "width_max_m": 12.0, "bounded_share": 0.295, "unbounded_share": 0.705, "confidence_median": 0.0, "width_median_bounded_m": 4.25, "window_m": [ 690.0, 715.0 ], "width_at_max25_m": 6.88, "window_stations": 6, "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": 44, "stations_resolved": 44, "width_median_m": 8.12, "width_p10_m": 4.58, "width_min_m": 1.25, "width_max_m": 12.0, "bounded_share": 0.545, "unbounded_share": 0.455, "confidence_median": 0.922, "width_median_bounded_m": 6.5, "window_m": [ 690.0, 715.0 ], "width_at_max25_m": 8.75, "window_stations": 6, "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": "Bolqu\u00e8re", "county": "Pyr\u00e9n\u00e9es-Orientales", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }