{ "ocl_version": "0.1.0", "name": "Col d'Aubisque from Gourette", "slug": "col-d-aubisque-from-gourette", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 15.899633345577513, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5031.0, "end_distance_m": 5033.0, "start_elevation_m": 1627.84583069505, "end_elevation_m": 1628.1638233619615, "min_gradient_pct": -11.785976191299596, "suppressed_max_gradient_pct": 177.05216377565876, "suppressed_location_m": [ 4289.0, 4291.0 ], "suppressed_min_gradient_pct": -212.5644469940994, "suppressed_min_location_m": [ 4283.0, 4285.0 ] }, { "window_m": 3.0, "max_gradient_pct": 15.576341149115555, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5030.0, "end_distance_m": 5033.0, "start_elevation_m": 1627.696533127488, "end_elevation_m": 1628.1638233619615, "min_gradient_pct": -7.476925876085261, "suppressed_max_gradient_pct": 174.93003320842794, "suppressed_location_m": [ 4289.0, 4292.0 ], "suppressed_min_gradient_pct": -207.7618365824113, "suppressed_min_location_m": [ 4282.0, 4285.0 ] }, { "window_m": 5.0, "max_gradient_pct": 15.17056983178918, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5028.0, "end_distance_m": 5033.0, "start_elevation_m": 1627.405294870372, "end_elevation_m": 1628.1638233619615, "min_gradient_pct": -6.425741796792863, "suppressed_max_gradient_pct": 170.90512512216264, "suppressed_location_m": [ 4289.0, 4294.0 ], "suppressed_min_gradient_pct": -176.4889265737429, "suppressed_min_location_m": [ 4282.0, 4287.0 ] }, { "window_m": 10.0, "max_gradient_pct": 14.558266195235774, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5023.0, "end_distance_m": 5033.0, "start_elevation_m": 1626.707996742438, "end_elevation_m": 1628.1638233619615, "min_gradient_pct": -5.6968432222038246, "suppressed_max_gradient_pct": 112.6301005134701, "suppressed_location_m": [ 4288.0, 4298.0 ], "suppressed_min_gradient_pct": -99.56475293384301, "suppressed_min_location_m": [ 4278.0, 4288.0 ] }, { "window_m": 20.0, "max_gradient_pct": 14.374211727872535, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5016.0, "end_distance_m": 5036.0, "start_elevation_m": 1625.6974365652675, "end_elevation_m": 1628.572278910842, "min_gradient_pct": -4.79320833193583, "suppressed_max_gradient_pct": 62.002244721040825, "suppressed_location_m": [ 4288.0, 4308.0 ], "suppressed_min_gradient_pct": -46.55684078095874, "suppressed_min_location_m": [ 4268.0, 4288.0 ] }, { "window_m": 25.0, "max_gradient_pct": 13.9457091556651, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5014.0, "end_distance_m": 5039.0, "start_elevation_m": 1625.4554856627024, "end_elevation_m": 1628.9419129516186, "min_gradient_pct": -4.2217028241138905, "suppressed_max_gradient_pct": 51.83524430874513, "suppressed_location_m": [ 4288.0, 4313.0 ], "suppressed_min_gradient_pct": -35.23290261807142, "suppressed_min_location_m": [ 4263.0, 4288.0 ] }, { "window_m": 50.0, "max_gradient_pct": 11.857878752133729, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5004.0, "end_distance_m": 5054.0, "start_elevation_m": 1624.497530385098, "end_elevation_m": 1630.4264697611648, "min_gradient_pct": -2.342362783653698, "suppressed_max_gradient_pct": 30.658175860640767, "suppressed_location_m": [ 4288.0, 4338.0 ], "suppressed_min_gradient_pct": -13.807504154130129, "suppressed_min_location_m": [ 4238.0, 4288.0 ] }, { "window_m": 100.0, "max_gradient_pct": 9.962533560670408, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5008.0, "end_distance_m": 5108.0, "start_elevation_m": 1624.8208094731906, "end_elevation_m": 1634.783343033861, "min_gradient_pct": -0.6514092608856572, "suppressed_max_gradient_pct": 19.266327148898426, "suppressed_location_m": [ 4288.0, 4388.0 ], "suppressed_min_gradient_pct": -2.484370567449105, "suppressed_min_location_m": [ 4188.0, 4288.0 ] } ], "shape": { "ascent_concentration": 0.364, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 45.0, "shape_class": "sustained" }, "length_m": 6057.679697078217, "start_elevation_m": 1372.689851198394, "end_elevation_m": 1708.5425363281256, "endpoint_gain_m": 335.8526851297315, "overall_gradient_pct": 5.544246343888442, "accumulated_ascent_m": 349.58354580936, "window_maxima": { "max_5m": { "gradient_pct": 15.17056983178918, "start_distance_m": 5028.0, "end_distance_m": 5033.0, "midpoint_distance_m": 5030.5, "start_elevation_m": 1627.405294870372, "end_elevation_m": 1628.1638233619615, "start_xy": [ 428134.08155271335, 6213800.489787437 ], "end_xy": [ 428129.8934053197, 6213803.220981573 ] }, "max_10m": { "gradient_pct": 14.558266195235774, "start_distance_m": 5023.0, "end_distance_m": 5033.0, "midpoint_distance_m": 5028.0, "start_elevation_m": 1626.707996742438, "end_elevation_m": 1628.1638233619615, "start_xy": [ 428138.269700107, 6213797.758593301 ], "end_xy": [ 428129.8934053197, 6213803.220981573 ] }, "max_20m": { "gradient_pct": 14.374211727872535, "start_distance_m": 5016.0, "end_distance_m": 5036.0, "midpoint_distance_m": 5026.0, "start_elevation_m": 1625.6974365652675, "end_elevation_m": 1628.572278910842, "start_xy": [ 428143.95901885803, 6213793.688792569 ], "end_xy": [ 428127.3805168835, 6213804.859698054 ] }, "max_25m": { "gradient_pct": 13.9457091556651, "start_distance_m": 5014.0, "end_distance_m": 5039.0, "midpoint_distance_m": 5026.5, "start_elevation_m": 1625.4554856627024, "end_elevation_m": 1628.9419129516186, "start_xy": [ 428145.5471192582, 6213792.473088197 ], "end_xy": [ 428124.8676284473, 6213806.498414537 ] }, "max_50m": { "gradient_pct": 11.857878752133729, "start_distance_m": 5004.0, "end_distance_m": 5054.0, "midpoint_distance_m": 5029.0, "start_elevation_m": 1624.497530385098, "end_elevation_m": 1630.4264697611648, "start_xy": [ 428153.2368869604, 6213786.08552649 ], "end_xy": [ 428113.46118375665, 6213816.169733813 ] }, "max_100m": { "gradient_pct": 9.962533560670408, "start_distance_m": 5008.0, "end_distance_m": 5108.0, "midpoint_distance_m": 5058.0, "start_elevation_m": 1624.8208094731906, "end_elevation_m": 1634.783343033861, "start_xy": [ 428150.2031104129, 6213788.692478706 ], "end_xy": [ 428066.4588223874, 6213831.0869438 ] } }, "window_minima": { "min_5m": { "gradient_pct": -6.425741796792863, "start_distance_m": 1166.0, "end_distance_m": 1171.0, "midpoint_distance_m": 1168.5, "start_elevation_m": 1407.4592303841594, "end_elevation_m": 1407.1379432943197, "start_xy": [ 430373.607520768, 6213133.866586823 ], "end_xy": [ 430374.6559998795, 6213138.7344176425 ] }, "min_10m": { "gradient_pct": -5.6968432222038246, "start_distance_m": 1161.0, "end_distance_m": 1171.0, "midpoint_distance_m": 1166.0, "start_elevation_m": 1407.70762761654, "end_elevation_m": 1407.1379432943197, "start_xy": [ 430373.24546950613, 6213128.879712163 ], "end_xy": [ 430374.6559998795, 6213138.7344176425 ] }, "min_20m": { "gradient_pct": -4.79320833193583, "start_distance_m": 1161.0, "end_distance_m": 1181.0, "midpoint_distance_m": 1171.0, "start_elevation_m": 1407.70762761654, "end_elevation_m": 1406.748985950153, "start_xy": [ 430373.24546950613, 6213128.879712163 ], "end_xy": [ 430377.97379987274, 6213148.150237357 ] }, "min_25m": { "gradient_pct": -4.2217028241138905, "start_distance_m": 1161.0, "end_distance_m": 1186.0, "midpoint_distance_m": 1173.5, "start_elevation_m": 1407.70762761654, "end_elevation_m": 1406.6522019105116, "start_xy": [ 430373.24546950613, 6213128.879712163 ], "end_xy": [ 430379.86623927904, 6213152.778268591 ] }, "min_50m": { "gradient_pct": -2.342362783653698, "start_distance_m": 1157.0, "end_distance_m": 1207.0, "midpoint_distance_m": 1182.0, "start_elevation_m": 1407.7025754397625, "end_elevation_m": 1406.5313940479357, "start_xy": [ 430373.2882548182, 6213124.882999718 ], "end_xy": [ 430390.9359582873, 6213170.516743102 ] }, "min_100m": { "gradient_pct": -0.6514092608856572, "start_distance_m": 1150.0, "end_distance_m": 1250.0, "midpoint_distance_m": 1200.0, "start_elevation_m": 1407.4893031042725, "end_elevation_m": 1406.8378938433868, "start_xy": [ 430373.6070526239, 6213117.893127286 ], "end_xy": [ 430418.19952552306, 6213203.764854232 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 15.899633345577513, "start_distance_m": 5031.0, "end_distance_m": 5033.0, "midpoint_distance_m": 5032.0, "start_elevation_m": 1627.84583069505, "end_elevation_m": 1628.1638233619615, "start_xy": [ 428131.56866427715, 6213802.128503919 ], "end_xy": [ 428129.8934053197, 6213803.220981573 ] }, "max_3m": { "gradient_pct": 15.576341149115555, "start_distance_m": 5030.0, "end_distance_m": 5033.0, "midpoint_distance_m": 5031.5, "start_elevation_m": 1627.696533127488, "end_elevation_m": 1628.1638233619615, "start_xy": [ 428132.4062937559, 6213801.582265091 ], "end_xy": [ 428129.8934053197, 6213803.220981573 ] } }, "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": 0.005, "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": 0.022, "obstruction_max_height_m": 19.33, "flagged_windows_m": [] }, "excluded_ranges_m": [ [ 758.0, 765.0 ], [ 4277.0, 4299.0 ] ], "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "06fa4c370391597f015858e97dcf01ca2f5b3640", "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-pyr1", "road_pbf": "block-batch-fr-pyr1.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:c54ac68b3f57b41b" }, "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_E427-N6213_0m5@21LHD1FR-2025-03-21.tif", "data/cache/fr/ign-lidarhd_dtm_E427-N6214_0m5@21LHD1FR-2025-03-21.tif", "data/cache/fr/ign-lidarhd_dtm_E428-N6213_0m5@21LHD1FR-2025-03-21.tif", "data/cache/fr/ign-lidarhd_dtm_E428-N6214_0m5@21LHD1FR-2025-03-21.tif", "data/cache/fr/ign-lidarhd_dtm_E429-N6213_0m5@21LHD1FR-2025-03-21.tif", "data/cache/fr/ign-lidarhd_dtm_E429-N6214_0m5@21LHD1FR-2025-03-21.tif", "data/cache/fr/ign-lidarhd_dtm_E430-N6212_0m5@21LHD1FR-2025-03-21.tif", "data/cache/fr/ign-lidarhd_dtm_E430-N6213_0m5@21LHD1FR-2025-03-21.tif", "data/cache/fr/ign-lidarhd_dtm_E430-N6214_0m5@21LHD1FR-2025-03-21.tif" ], "calculated_at": "2026-09-20T06:10:41+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr1.osm.pbf", "osm_snapshot": "", "run_id": "fr-pyr1", "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": [ "E427-N6213", "E427-N6214", "E428-N6213", "E428-N6214", "E429-N6213", "E429-N6214", "E430-N6212", "E430-N6213", "E430-N6214" ], "elevation_blocks": [ "21LHD1FR@2025-03-21" ], "ign_dalles": [ "LHD_FXX_0427_6214_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0427_6215_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0428_6214_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0428_6215_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0429_6214_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0429_6215_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0430_6213_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0430_6214_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0430_6215_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD1FR" ], "ign_editions": [ "2025-03-21" ], "ign_dsm_edition": { "LHD_FXX_0427_6214_MNT_O_0M50_LAMB93_IGN69": "2025-03-21", "LHD_FXX_0427_6215_MNT_O_0M50_LAMB93_IGN69": "2025-03-21", "LHD_FXX_0428_6214_MNT_O_0M50_LAMB93_IGN69": "2025-03-21", "LHD_FXX_0428_6215_MNT_O_0M50_LAMB93_IGN69": "2025-03-21", "LHD_FXX_0429_6214_MNT_O_0M50_LAMB93_IGN69": "2025-03-21", "LHD_FXX_0429_6215_MNT_O_0M50_LAMB93_IGN69": "2025-03-21", "LHD_FXX_0430_6213_MNT_O_0M50_LAMB93_IGN69": "2025-03-21", "LHD_FXX_0430_6214_MNT_O_0M50_LAMB93_IGN69": "2025-03-21", "LHD_FXX_0430_6215_MNT_O_0M50_LAMB93_IGN69": "2025-03-21" }, "climb_origin": "named-pass", "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked", "carriageway": { "stations": 249, "stations_resolved": 249, "width_median_m": 6.0, "width_p10_m": 4.75, "width_min_m": 1.25, "width_max_m": 10.5, "bounded_share": 0.59, "unbounded_share": 0.41, "confidence_median": 0.622, "width_median_bounded_m": 6.0, "window_m": [ 5014.0, 5039.0 ], "width_at_max25_m": 6.25, "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": 249, "stations_resolved": 249, "width_median_m": 7.5, "width_p10_m": 4.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.851, "unbounded_share": 0.149, "confidence_median": 1.0, "width_median_bounded_m": 7.25, "window_m": [ 5014.0, 5039.0 ], "width_at_max25_m": 9.75, "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\u00e9ost", "county": "Pyr\u00e9n\u00e9es-Atlantiques", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }