{ "ocl_version": "0.1.0", "name": "Col des Supeyres from Valcivi\u00e8res", "slug": "col-des-supeyres-from-valcivieres", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 33.503398851604516, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "no_bench_excluded_min", "texture_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 956.0, "end_distance_m": 958.0, "start_elevation_m": 954.6264054421836, "end_elevation_m": 955.2964734192157, "min_gradient_pct": -36.184588627543235, "suppressed_max_gradient_pct": 282.2629555841331, "suppressed_location_m": [ 2840.0, 2842.0 ], "suppressed_min_gradient_pct": -309.500578357364, "suppressed_min_location_m": [ 2836.0, 2838.0 ] }, { "window_m": 3.0, "max_gradient_pct": 34.02721616577461, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "texture_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 956.0, "end_distance_m": 959.0, "start_elevation_m": 954.6264054421836, "end_elevation_m": 955.6472219271568, "min_gradient_pct": -32.46103623772948, "suppressed_max_gradient_pct": 208.87321314050192, "suppressed_location_m": [ 2840.0, 2843.0 ], "suppressed_min_gradient_pct": -210.87265254567455, "suppressed_min_location_m": [ 2836.0, 2839.0 ] }, { "window_m": 5.0, "max_gradient_pct": 25.68533820663788, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "texture_excluded", "texture_excluded", "suppression_unstable", "canopy_or_structure" ], "start_distance_m": 956.0, "end_distance_m": 961.0, "start_elevation_m": 954.6264054421836, "end_elevation_m": 955.9106723525155, "min_gradient_pct": -24.26039206438645, "suppressed_max_gradient_pct": 124.89060318442625, "suppressed_location_m": [ 2840.0, 2845.0 ], "suppressed_min_gradient_pct": -127.78378049966477, "suppressed_min_location_m": [ 2835.0, 2840.0 ] }, { "window_m": 10.0, "max_gradient_pct": 17.689199192345768, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "no_bench_excluded_min", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 951.0, "end_distance_m": 961.0, "start_elevation_m": 954.1417524332809, "end_elevation_m": 955.9106723525155, "min_gradient_pct": -7.888381762091967, "suppressed_max_gradient_pct": 62.87387518270407, "suppressed_location_m": [ 5128.0, 5138.0 ], "suppressed_min_gradient_pct": -74.26678940087186, "suppressed_min_location_m": [ 2660.0, 2670.0 ] }, { "window_m": 20.0, "max_gradient_pct": 14.75428086122406, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "no_bench_excluded_min", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 7257.0, "end_distance_m": 7277.0, "start_elevation_m": 1277.2134344623646, "end_elevation_m": 1280.1642906346094, "min_gradient_pct": -7.125970996672777, "suppressed_max_gradient_pct": 39.78278291227468, "suppressed_location_m": [ 2637.0, 2657.0 ], "suppressed_min_gradient_pct": -46.88275609397806, "suppressed_min_location_m": [ 2657.0, 2677.0 ] }, { "window_m": 25.0, "max_gradient_pct": 13.326026076641938, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "canopy_or_structure" ], "start_distance_m": 7251.0, "end_distance_m": 7276.0, "start_elevation_m": 1276.5860402473295, "end_elevation_m": 1279.91754676649, "min_gradient_pct": -6.737691184630876, "suppressed_max_gradient_pct": 30.721448868660445, "suppressed_location_m": [ 2632.0, 2657.0 ], "suppressed_min_gradient_pct": -38.826779163429364, "suppressed_min_location_m": [ 2657.0, 2682.0 ] }, { "window_m": 50.0, "max_gradient_pct": 10.110401461425226, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "canopy_or_structure" ], "start_distance_m": 7220.0, "end_distance_m": 7270.0, "start_elevation_m": 1274.169479805189, "end_elevation_m": 1279.2246805359016, "min_gradient_pct": -6.179176556532411, "suppressed_max_gradient_pct": 16.15239097359313, "suppressed_location_m": [ 2840.0, 2890.0 ], "suppressed_min_gradient_pct": -22.260704680536946, "suppressed_min_location_m": [ 2657.0, 2707.0 ] }, { "window_m": 100.0, "max_gradient_pct": 9.315499483531994, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 7177.0, "end_distance_m": 7277.0, "start_elevation_m": 1270.8487911510774, "end_elevation_m": 1280.1642906346094, "min_gradient_pct": -5.395816132064397, "suppressed_max_gradient_pct": 10.848638657479341, "suppressed_location_m": [ 2840.0, 2940.0 ], "suppressed_min_gradient_pct": -13.920025233584965, "suppressed_min_location_m": [ 2657.0, 2757.0 ] } ], "shape": { "ascent_concentration": 0.287, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 45.0, "shape_class": "sustained" }, "length_m": 8595.962253243639, "start_elevation_m": 901.0320593261746, "end_elevation_m": 1365.3744875322473, "endpoint_gain_m": 464.34242820607267, "overall_gradient_pct": 5.401866766351325, "accumulated_ascent_m": 528.2173562682568, "window_maxima": { "max_5m": { "gradient_pct": 25.68533820663788, "start_distance_m": 956.0, "end_distance_m": 961.0, "midpoint_distance_m": 958.5, "start_elevation_m": 954.6264054421836, "end_elevation_m": 955.9106723525155, "start_xy": [ 762514.8605412969, 6500455.139616345 ], "end_xy": [ 762510.702593219, 6500457.916569312 ] }, "max_10m": { "gradient_pct": 17.689199192345768, "start_distance_m": 951.0, "end_distance_m": 961.0, "midpoint_distance_m": 956.0, "start_elevation_m": 954.1417524332809, "end_elevation_m": 955.9106723525155, "start_xy": [ 762519.0184893747, 6500452.362663378 ], "end_xy": [ 762510.702593219, 6500457.916569312 ] }, "max_20m": { "gradient_pct": 14.75428086122406, "start_distance_m": 7257.0, "end_distance_m": 7277.0, "midpoint_distance_m": 7267.0, "start_elevation_m": 1277.2134344623646, "end_elevation_m": 1280.1642906346094, "start_xy": [ 764970.4936271711, 6499491.4865613505 ], "end_xy": [ 764988.723600364, 6499499.712622217 ] }, "max_25m": { "gradient_pct": 13.326026076641938, "start_distance_m": 7251.0, "end_distance_m": 7276.0, "midpoint_distance_m": 7263.5, "start_elevation_m": 1276.5860402473295, "end_elevation_m": 1279.91754676649, "start_xy": [ 764965.189366506, 6499488.694142657 ], "end_xy": [ 764987.8121017044, 6499499.301319174 ] }, "max_50m": { "gradient_pct": 10.110401461425226, "start_distance_m": 7220.0, "end_distance_m": 7270.0, "midpoint_distance_m": 7245.0, "start_elevation_m": 1274.169479805189, "end_elevation_m": 1279.2246805359016, "start_xy": [ 764938.2157787711, 6499473.415871658 ], "end_xy": [ 764982.3431097466, 6499496.833500913 ] }, "max_100m": { "gradient_pct": 9.315499483531994, "start_distance_m": 7177.0, "end_distance_m": 7277.0, "midpoint_distance_m": 7227.0, "start_elevation_m": 1270.8487911510774, "end_elevation_m": 1280.1642906346094, "start_xy": [ 764903.6010363792, 6499448.0426898915 ], "end_xy": [ 764988.723600364, 6499499.712622217 ] } }, "window_minima": { "min_5m": { "gradient_pct": -24.26039206438645, "start_distance_m": 1651.0, "end_distance_m": 1656.0, "midpoint_distance_m": 1653.5, "start_elevation_m": 998.169376078645, "end_elevation_m": 996.9563564754257, "start_xy": [ 762880.2928607741, 6500422.827732603 ], "end_xy": [ 762880.9255752969, 6500417.867926928 ] }, "min_10m": { "gradient_pct": -7.888381762091967, "start_distance_m": 2702.0, "end_distance_m": 2712.0, "midpoint_distance_m": 2707.0, "start_elevation_m": 1009.5764898776652, "end_elevation_m": 1008.787651701456, "start_xy": [ 763322.7384758779, 6500683.81128864 ], "end_xy": [ 763326.9534280037, 6500692.879594908 ] }, "min_20m": { "gradient_pct": -7.125970996672777, "start_distance_m": 2700.0, "end_distance_m": 2720.0, "midpoint_distance_m": 2710.0, "start_elevation_m": 1009.6778340237108, "end_elevation_m": 1008.2526398243763, "start_xy": [ 763322.4789333118, 6500681.847697312 ], "end_xy": [ 763330.3253897043, 6500700.134239923 ] }, "min_25m": { "gradient_pct": -6.737691184630876, "start_distance_m": 2705.0, "end_distance_m": 2730.0, "midpoint_distance_m": 2717.5, "start_elevation_m": 1009.3546172359518, "end_elevation_m": 1007.670194439794, "start_xy": [ 763324.0029615157, 6500686.53178052 ], "end_xy": [ 763334.5855272333, 6500709.181347774 ] }, "min_50m": { "gradient_pct": -6.179176556532411, "start_distance_m": 2681.0, "end_distance_m": 2731.0, "midpoint_distance_m": 2706.0, "start_elevation_m": 1010.6734906585967, "end_elevation_m": 1007.5839023803305, "start_xy": [ 763321.1885564498, 6500662.891565651 ], "end_xy": [ 763335.0134777762, 6500710.085149928 ] }, "min_100m": { "gradient_pct": -5.395816132064397, "start_distance_m": 2681.0, "end_distance_m": 2781.0, "midpoint_distance_m": 2731.0, "start_elevation_m": 1010.6734906585967, "end_elevation_m": 1005.2776745265323, "start_xy": [ 763321.1885564498, 6500662.891565651 ], "end_xy": [ 763356.411004922, 6500755.275257607 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 33.503398851604516, "start_distance_m": 956.0, "end_distance_m": 958.0, "midpoint_distance_m": 957.0, "start_elevation_m": 954.6264054421836, "end_elevation_m": 955.2964734192157, "start_xy": [ 762514.8605412969, 6500455.139616345 ], "end_xy": [ 762513.1973620658, 6500456.250397531 ] }, "max_3m": { "gradient_pct": 34.02721616577461, "start_distance_m": 956.0, "end_distance_m": 959.0, "midpoint_distance_m": 957.5, "start_elevation_m": 954.6264054421836, "end_elevation_m": 955.6472219271568, "start_xy": [ 762514.8605412969, 6500455.139616345 ], "end_xy": [ 762512.3657724502, 6500456.805788125 ] } }, "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": 0.026, "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": [] }, "no_bench_suppression": { "masked_fraction": 0.048, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [], "minima_resited": [ 2.0, 10.0, 20.0, 100.0 ], "minima_unresolved": [] }, "texture_suppression": { "masked_fraction": 0.05, "windows_resited": [ 2.0, 3.0, 5.0 ], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "texture_windows": { "rounds": 2, "windows_masked": [ { "window_m": 5.0, "start_m": 1669.0, "end_m": 1674.0, "raw_pct": 29.81, "reason": "short-step" }, { "window_m": 5.0, "start_m": 992.0, "end_m": 997.0, "raw_pct": 27.94, "reason": "short-step" } ], "advisory": [], "unresolved": [], "unstable": [ { "window_m": 5.0, "start_m": 956.0, "end_m": 961.0, "raw_pct": 25.69, "reason": "short-step", "perturbations": [ "phase+0.000/mask+0", "phase+0.333/mask+1", "phase+0.667/mask-1" ], "perturbation_reasons": [ "", "short-step", "short-step" ] } ] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.312, "obstruction_max_height_m": 30.58, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25, 50, 100 ] }, "excluded_ranges_m": [ [ 990.0, 999.0 ], [ 1095.0, 1148.0 ], [ 1272.0, 1277.0 ], [ 1620.0, 1650.0 ], [ 1667.0, 1676.0 ], [ 1700.0, 1790.0 ], [ 2620.0, 2680.0 ], [ 2823.0, 2853.0 ], [ 3243.0, 3270.0 ], [ 5110.0, 5160.0 ], [ 7050.0, 7090.0 ], [ 7865.0, 7882.0 ] ], "review": [], "extent": [ "may_start_earlier" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "1cc9fdcd6556a02163cb21acb2293cad3067d2a1", "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-mc6", "road_pbf": "block-batch-fr-mc6.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:af4eae1f5df9e232" }, "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_E762-N6499_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E762-N6500_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E763-N6499_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E763-N6500_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E764-N6498_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E764-N6499_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E764-N6500_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E765-N6499_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E765-N6500_0m5@22LHD4ML-2025-09-15.tif" ], "calculated_at": "2026-09-22T18:17:28+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc6.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc6", "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": [ "E762-N6499", "E762-N6500", "E763-N6499", "E763-N6500", "E764-N6498", "E764-N6499", "E764-N6500", "E765-N6499", "E765-N6500" ], "elevation_blocks": [ "22LHD4ML@2025-09-15" ], "ign_dalles": [ "LHD_FXX_0762_6500_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0762_6501_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0763_6500_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0763_6501_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0764_6499_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0764_6500_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0764_6501_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0765_6500_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0765_6501_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD4ML" ], "ign_editions": [ "2025-09-15" ], "ign_dsm_edition": { "LHD_FXX_0762_6500_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0762_6501_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0763_6500_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0763_6501_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0764_6499_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0764_6500_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0764_6501_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0765_6500_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0765_6501_MNT_O_0M50_LAMB93_IGN69": "2025-09-15" }, "climb_origin": "named-pass", "structure_own_ways": 15, "structure_mask_ranges_m": [ [ 1100.7, 1128.2 ], [ 7870.8, 7877.5 ], [ 3248.6, 3265.2 ], [ 5115.7, 5130.4 ], [ 2828.1, 2849.0 ] ], "mask_basin_extension_m": 40.0, "suppression_unstable": [ 5.0 ], "carriageway": { "stations": 350, "stations_resolved": 350, "width_median_m": 5.75, "width_p10_m": 3.22, "width_min_m": 0.5, "width_max_m": 11.5, "bounded_share": 0.44, "unbounded_share": 0.56, "confidence_median": 0.0, "width_median_bounded_m": 6.0, "window_m": [ 7251.0, 7276.0 ], "width_at_max25_m": 2.5, "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": 350, "stations_resolved": 350, "width_median_m": 4.75, "width_p10_m": 1.0, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.903, "unbounded_share": 0.097, "confidence_median": 1.0, "width_median_bounded_m": 4.12, "window_m": [ 7251.0, 7276.0 ], "width_at_max25_m": 1.5, "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": "Valcivi\u00e8res", "county": "Puy-de-D\u00f4me", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }