{ "ocl_version": "0.1.0", "name": "Col de la Madeleine from B\u00e9doin", "slug": "col-de-la-madeleine-from-bedoin", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 9.40847038918946, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 1809.0, "end_distance_m": 1811.0, "start_elevation_m": 363.6138010722782, "end_elevation_m": 363.801970480062, "min_gradient_pct": -8.722729887765013, "suppressed_max_gradient_pct": 331.2101251957216, "suppressed_location_m": [ 3048.0, 3050.0 ], "suppressed_min_gradient_pct": -302.1715365192847, "suppressed_min_location_m": [ 3044.0, 3046.0 ] }, { "window_m": 3.0, "max_gradient_pct": 8.94219082086162, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 2399.0, "end_distance_m": 2402.0, "start_elevation_m": 362.67605460448897, "end_elevation_m": 362.9443203291148, "min_gradient_pct": -8.555959698890092, "suppressed_max_gradient_pct": 223.12935806248788, "suppressed_location_m": [ 3048.0, 3051.0 ], "suppressed_min_gradient_pct": -213.13611342525482, "suppressed_min_location_m": [ 3043.0, 3046.0 ] }, { "window_m": 5.0, "max_gradient_pct": 8.576736399420497, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 2397.0, "end_distance_m": 2402.0, "start_elevation_m": 362.5154835091438, "end_elevation_m": 362.9443203291148, "min_gradient_pct": -8.062676504240471, "suppressed_max_gradient_pct": 135.79322337450776, "suppressed_location_m": [ 3048.0, 3053.0 ], "suppressed_min_gradient_pct": -126.46868850169881, "suppressed_min_location_m": [ 3043.0, 3048.0 ] }, { "window_m": 10.0, "max_gradient_pct": 8.345226183787986, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 2392.0, "end_distance_m": 2402.0, "start_elevation_m": 362.109797710736, "end_elevation_m": 362.9443203291148, "min_gradient_pct": -7.725490155997932, "suppressed_max_gradient_pct": 70.75076977760318, "suppressed_location_m": [ 3048.0, 3058.0 ], "suppressed_min_gradient_pct": -61.09156695651677, "suppressed_min_location_m": [ 3038.0, 3048.0 ] }, { "window_m": 20.0, "max_gradient_pct": 8.001180590026422, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 2390.0, "end_distance_m": 2410.0, "start_elevation_m": 361.9766042056941, "end_elevation_m": 363.5768403236994, "min_gradient_pct": -7.563127653584161, "suppressed_max_gradient_pct": 38.06925352309747, "suppressed_location_m": [ 3047.0, 3067.0 ], "suppressed_min_gradient_pct": -27.891113471966378, "suppressed_min_location_m": [ 3028.0, 3048.0 ] }, { "window_m": 25.0, "max_gradient_pct": 7.869501151077884, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 2389.0, "end_distance_m": 2414.0, "start_elevation_m": 361.90052420507106, "end_elevation_m": 363.86789949284054, "min_gradient_pct": -7.507645610585314, "suppressed_max_gradient_pct": 31.533920050109373, "suppressed_location_m": [ 3048.0, 3073.0 ], "suppressed_min_gradient_pct": -21.56618352176406, "suppressed_min_location_m": [ 4514.0, 4539.0 ] }, { "window_m": 50.0, "max_gradient_pct": 7.1341137417264235, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 1752.0, "end_distance_m": 1802.0, "start_elevation_m": 359.6131316983302, "end_elevation_m": 363.18018856919343, "min_gradient_pct": -7.049652267786655, "suppressed_max_gradient_pct": 18.49574965659724, "suppressed_location_m": [ 3048.0, 3098.0 ], "suppressed_min_gradient_pct": -11.845560844448073, "suppressed_min_location_m": [ 4489.0, 4539.0 ] }, { "window_m": 100.0, "max_gradient_pct": 6.9393070765448215, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 1711.0, "end_distance_m": 1811.0, "start_elevation_m": 356.86266340351716, "end_elevation_m": 363.801970480062, "min_gradient_pct": -6.705224551850563, "suppressed_max_gradient_pct": 12.170653063071143, "suppressed_location_m": [ 3048.0, 3148.0 ], "suppressed_min_gradient_pct": -7.137712381357574, "suppressed_min_location_m": [ 4439.0, 4539.0 ] } ], "shape": { "ascent_concentration": 0.434, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 16.0, "shape_class": "sustained" }, "length_m": 6075.715818478427, "start_elevation_m": 327.5478559980447, "end_elevation_m": 458.1913146156034, "endpoint_gain_m": 130.64345861755868, "overall_gradient_pct": 2.1502562417456255, "accumulated_ascent_m": 201.8882369430039, "window_maxima": { "max_5m": { "gradient_pct": 8.576736399420497, "start_distance_m": 2397.0, "end_distance_m": 2402.0, "midpoint_distance_m": 2399.5, "start_elevation_m": 362.5154835091438, "end_elevation_m": 362.9443203291148, "start_xy": [ 872509.2403708468, 6340450.287097549 ], "end_xy": [ 872504.7368483806, 6340448.114936092 ] }, "max_10m": { "gradient_pct": 8.345226183787986, "start_distance_m": 2392.0, "end_distance_m": 2402.0, "midpoint_distance_m": 2397.0, "start_elevation_m": 362.109797710736, "end_elevation_m": 362.9443203291148, "start_xy": [ 872514.0219521603, 6340451.537388279 ], "end_xy": [ 872504.7368483806, 6340448.114936092 ] }, "max_20m": { "gradient_pct": 8.001180590026422, "start_distance_m": 2390.0, "end_distance_m": 2410.0, "midpoint_distance_m": 2400.0, "start_elevation_m": 361.9766042056941, "end_elevation_m": 363.5768403236994, "start_xy": [ 872516.0033528497, 6340451.809511979 ], "end_xy": [ 872498.2866222039, 6340443.415271666 ] }, "max_25m": { "gradient_pct": 7.869501151077884, "start_distance_m": 2389.0, "end_distance_m": 2414.0, "midpoint_distance_m": 2401.5, "start_elevation_m": 361.90052420507106, "end_elevation_m": 363.86789949284054, "start_xy": [ 872516.9940531944, 6340451.945573829 ], "end_xy": [ 872495.4065618658, 6340440.649234979 ] }, "max_50m": { "gradient_pct": 7.1341137417264235, "start_distance_m": 1752.0, "end_distance_m": 1802.0, "midpoint_distance_m": 1777.0, "start_elevation_m": 359.6131316983302, "end_elevation_m": 363.18018856919343, "start_xy": [ 873107.1591150822, 6340276.851883559 ], "end_xy": [ 873065.1384992686, 6340303.811229856 ] }, "max_100m": { "gradient_pct": 6.9393070765448215, "start_distance_m": 1711.0, "end_distance_m": 1811.0, "midpoint_distance_m": 1761.0, "start_elevation_m": 356.86266340351716, "end_elevation_m": 363.801970480062, "start_xy": [ 873138.3715702023, 6340250.296055588 ], "end_xy": [ 873057.3194300168, 6340308.267927741 ] } }, "window_minima": { "min_5m": { "gradient_pct": -8.062676504240471, "start_distance_m": 1997.0, "end_distance_m": 2002.0, "midpoint_distance_m": 1999.5, "start_elevation_m": 359.855750026405, "end_elevation_m": 359.452616201193, "start_xy": [ 872880.1055482649, 6340352.07087912 ], "end_xy": [ 872875.6385520417, 6340354.317197162 ] }, "min_10m": { "gradient_pct": -7.725490155997932, "start_distance_m": 1996.0, "end_distance_m": 2006.0, "midpoint_distance_m": 2001.0, "start_elevation_m": 359.93046233993704, "end_elevation_m": 359.15791332433724, "start_xy": [ 872880.9989475096, 6340351.621615512 ], "end_xy": [ 872872.0649550632, 6340356.114251594 ] }, "min_20m": { "gradient_pct": -7.563127653584161, "start_distance_m": 1992.0, "end_distance_m": 2012.0, "midpoint_distance_m": 2002.0, "start_elevation_m": 360.2229258689986, "end_elevation_m": 358.71030033828174, "start_xy": [ 872884.5725444881, 6340349.824561079 ], "end_xy": [ 872866.7045595953, 6340358.8098332435 ] }, "min_25m": { "gradient_pct": -7.507645610585314, "start_distance_m": 1987.0, "end_distance_m": 2012.0, "midpoint_distance_m": 1999.5, "start_elevation_m": 360.58721174092807, "end_elevation_m": 358.71030033828174, "start_xy": [ 872889.0634546143, 6340347.627514346 ], "end_xy": [ 872866.7045595953, 6340358.8098332435 ] }, "min_50m": { "gradient_pct": -7.049652267786655, "start_distance_m": 1975.0, "end_distance_m": 2025.0, "midpoint_distance_m": 2000.0, "start_elevation_m": 361.3783064317174, "end_elevation_m": 357.8534802978241, "start_xy": [ 872899.9317965982, 6340342.540359687 ], "end_xy": [ 872855.090369415, 6340364.65026015 ] }, "min_100m": { "gradient_pct": -6.705224551850563, "start_distance_m": 1925.0, "end_distance_m": 2025.0, "midpoint_distance_m": 1975.0, "start_elevation_m": 364.55870484967465, "end_elevation_m": 357.8534802978241, "start_xy": [ 872948.5301511138, 6340332.840333145 ], "end_xy": [ 872855.090369415, 6340364.65026015 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 9.40847038918946, "start_distance_m": 1809.0, "end_distance_m": 1811.0, "midpoint_distance_m": 1810.0, "start_elevation_m": 363.6138010722782, "end_elevation_m": 363.801970480062, "start_xy": [ 873059.0570009616, 6340307.277550433 ], "end_xy": [ 873057.3194300168, 6340308.267927741 ] }, "max_3m": { "gradient_pct": 8.94219082086162, "start_distance_m": 2399.0, "end_distance_m": 2402.0, "midpoint_distance_m": 2400.5, "start_elevation_m": 362.67605460448897, "end_elevation_m": 362.9443203291148, "start_xy": [ 872507.4389618604, 6340449.418232966 ], "end_xy": [ 872504.7368483806, 6340448.114936092 ] } }, "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": 0.015, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [], "minima_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.16, "obstruction_max_height_m": 22.65, "flagged_windows_m": [ 2, 10, 20, 25, 100 ] }, "excluded_ranges_m": [ [ 474.0, 491.0 ], [ 1479.0, 1490.0 ], [ 3039.0, 3055.0 ], [ 4421.0, 4434.0 ], [ 4532.0, 4546.0 ], [ 4632.0, 4646.0 ] ], "review": [], "extent": [] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "41205ec4649bb0a4093af76ff34281a5d9a13832", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:8c94015b54267da4", "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-pr1", "road_pbf": "block-batch-fr-pr1.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:ba95a0bf562c86eb" }, "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_E870-N6340_0m5@22LHD6OO-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E871-N6339_0m5@22LHD6OO-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E871-N6340_0m5@22LHD6OO-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E872-N6339_0m5@22LHD6OO-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E872-N6340_0m5@22LHD6OO-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E873-N6339_0m5@22LHD6OO-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E873-N6340_0m5@22LHD6OO-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E874-N6339_0m5@22LHD6OO-2025-03-14.tif" ], "calculated_at": "2026-09-25T10:42:16+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr1.osm.pbf", "osm_snapshot": "", "run_id": "fr-pr1", "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": [ "E870-N6340", "E871-N6339", "E871-N6340", "E872-N6339", "E872-N6340", "E873-N6339", "E873-N6340", "E874-N6339" ], "elevation_blocks": [ "22LHD6OO@2025-03-14" ], "ign_dalles": [ "LHD_FXX_0870_6341_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0871_6340_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0871_6341_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0872_6340_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0872_6341_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0873_6340_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0873_6341_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0874_6340_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD6OO" ], "ign_editions": [ "2025-03-14" ], "ign_dsm_edition": { "LHD_FXX_0870_6341_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0871_6340_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0871_6341_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0872_6340_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0872_6341_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0873_6340_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0873_6341_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0874_6340_MNT_O_0M50_LAMB93_IGN69": "2025-03-14" }, "climb_origin": "named-pass", "structure_own_ways": 11, "carriageway": { "stations": 250, "stations_resolved": 250, "width_median_m": 6.5, "width_p10_m": 5.5, "width_min_m": 3.0, "width_max_m": 10.75, "bounded_share": 0.496, "unbounded_share": 0.504, "confidence_median": 0.0, "width_median_bounded_m": 6.25, "window_m": [ 2389.0, 2414.0 ], "width_at_max25_m": 8.5, "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": 250, "stations_resolved": 250, "width_median_m": 6.75, "width_p10_m": 0.75, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.832, "unbounded_share": 0.168, "confidence_median": 1.0, "width_median_bounded_m": 5.75, "window_m": [ 2389.0, 2414.0 ], "width_at_max25_m": 1.25, "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": "B\u00e9doin", "county": "Vaucluse", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }