{ "ocl_version": "0.1.0", "name": "Col de Port from Massat", "slug": "col-de-port-from-massat", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 27.863209800170807, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 10802.0, "end_distance_m": 10804.0, "start_elevation_m": 1177.6702252276552, "end_elevation_m": 1178.2274894236587, "min_gradient_pct": -35.837537256998075, "suppressed_max_gradient_pct": 411.82705280220944, "suppressed_location_m": [ 10109.0, 10111.0 ], "suppressed_min_gradient_pct": -364.62656111760907, "suppressed_min_location_m": [ 10105.0, 10107.0 ] }, { "window_m": 3.0, "max_gradient_pct": 27.063180974156847, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 10802.0, "end_distance_m": 10805.0, "start_elevation_m": 1177.6702252276552, "end_elevation_m": 1178.48212065688, "min_gradient_pct": -29.036340640785358, "suppressed_max_gradient_pct": 281.0361837620955, "suppressed_location_m": [ 10108.0, 10111.0 ], "suppressed_min_gradient_pct": -276.07844966845886, "suppressed_min_location_m": [ 10105.0, 10108.0 ] }, { "window_m": 5.0, "max_gradient_pct": 25.123673758844234, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 10800.0, "end_distance_m": 10805.0, "start_elevation_m": 1177.2259369689377, "end_elevation_m": 1178.48212065688, "min_gradient_pct": -17.29241092133634, "suppressed_max_gradient_pct": 171.08280159455262, "suppressed_location_m": [ 10108.0, 10113.0 ], "suppressed_min_gradient_pct": -164.15758637804174, "suppressed_min_location_m": [ 10103.0, 10108.0 ] }, { "window_m": 10.0, "max_gradient_pct": 17.240414244836302, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 10799.0, "end_distance_m": 10809.0, "start_elevation_m": 1177.1208310906643, "end_elevation_m": 1178.844872515148, "min_gradient_pct": -7.773425879718161, "suppressed_max_gradient_pct": 87.203900862919, "suppressed_location_m": [ 10108.0, 10118.0 ], "suppressed_min_gradient_pct": -80.39150901310677, "suppressed_min_location_m": [ 10098.0, 10108.0 ] }, { "window_m": 20.0, "max_gradient_pct": 9.683674347081705, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 10799.0, "end_distance_m": 10819.0, "start_elevation_m": 1177.1208310906643, "end_elevation_m": 1179.0575659600806, "min_gradient_pct": -1.805050438958915, "suppressed_max_gradient_pct": 45.107982254302215, "suppressed_location_m": [ 10108.0, 10128.0 ], "suppressed_min_gradient_pct": -38.99252964485868, "suppressed_min_location_m": [ 10088.0, 10108.0 ] }, { "window_m": 25.0, "max_gradient_pct": 8.515170883593782, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 10799.0, "end_distance_m": 10824.0, "start_elevation_m": 1177.1208310906643, "end_elevation_m": 1179.2496238115627, "min_gradient_pct": -0.6508386369077925, "suppressed_max_gradient_pct": 36.584104326929264, "suppressed_location_m": [ 10108.0, 10133.0 ], "suppressed_min_gradient_pct": -30.431261279092723, "suppressed_min_location_m": [ 10083.0, 10108.0 ] }, { "window_m": 50.0, "max_gradient_pct": 7.207542180930886, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded_min" ], "start_distance_m": 8585.0, "end_distance_m": 8635.0, "start_elevation_m": 1084.33366466492, "end_elevation_m": 1087.9374357553854, "min_gradient_pct": 1.2313915993395312, "suppressed_max_gradient_pct": 19.385031172209892, "suppressed_location_m": [ 10108.0, 10158.0 ], "suppressed_min_gradient_pct": -13.411187494603382, "suppressed_min_location_m": [ 10058.0, 10108.0 ] }, { "window_m": 100.0, "max_gradient_pct": 6.9972818685055245, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded_min" ], "start_distance_m": 8580.0, "end_distance_m": 8680.0, "start_elevation_m": 1084.0336064290234, "end_elevation_m": 1091.030888297529, "min_gradient_pct": 1.6233876548094486, "suppressed_max_gradient_pct": 11.221771028823696, "suppressed_location_m": [ 10108.0, 10208.0 ], "suppressed_min_gradient_pct": -4.788345078663269, "suppressed_min_location_m": [ 10008.0, 10108.0 ] } ], "shape": { "ascent_concentration": 0.275, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 20.0, "shape_class": "sustained" }, "length_m": 12486.045599754752, "start_elevation_m": 630.611730913086, "end_elevation_m": 1248.9374673276373, "endpoint_gain_m": 618.3257364145512, "overall_gradient_pct": 4.95213421635026, "accumulated_ascent_m": 649.1838723199461, "window_maxima": { "max_5m": { "gradient_pct": 25.123673758844234, "start_distance_m": 10800.0, "end_distance_m": 10805.0, "midpoint_distance_m": 10802.5, "start_elevation_m": 1177.2259369689377, "end_elevation_m": 1178.48212065688, "start_xy": [ 572340.7620575534, 6201787.952886298 ], "end_xy": [ 572342.7009012508, 6201783.374601892 ] }, "max_10m": { "gradient_pct": 17.240414244836302, "start_distance_m": 10799.0, "end_distance_m": 10809.0, "midpoint_distance_m": 10804.0, "start_elevation_m": 1177.1208310906643, "end_elevation_m": 1178.844872515148, "start_xy": [ 572340.5144502876, 6201788.921746784 ], "end_xy": [ 572344.5315495676, 6201779.818097044 ] }, "max_20m": { "gradient_pct": 9.683674347081705, "start_distance_m": 10799.0, "end_distance_m": 10819.0, "midpoint_distance_m": 10809.0, "start_elevation_m": 1177.1208310906643, "end_elevation_m": 1179.0575659600806, "start_xy": [ 572340.5144502876, 6201788.921746784 ], "end_xy": [ 572349.9059689783, 6201771.459418198 ] }, "max_25m": { "gradient_pct": 8.515170883593782, "start_distance_m": 10799.0, "end_distance_m": 10824.0, "midpoint_distance_m": 10811.5, "start_elevation_m": 1177.1208310906643, "end_elevation_m": 1179.2496238115627, "start_xy": [ 572340.5144502876, 6201788.921746784 ], "end_xy": [ 572353.1342643064, 6201767.64128917 ] }, "max_50m": { "gradient_pct": 7.207542180930886, "start_distance_m": 8585.0, "end_distance_m": 8635.0, "midpoint_distance_m": 8610.0, "start_elevation_m": 1084.33366466492, "end_elevation_m": 1087.9374357553854, "start_xy": [ 570841.7881889569, 6202129.782938073 ], "end_xy": [ 570885.903250754, 6202131.5455276985 ] }, "max_100m": { "gradient_pct": 6.9972818685055245, "start_distance_m": 8580.0, "end_distance_m": 8680.0, "midpoint_distance_m": 8630.0, "start_elevation_m": 1084.0336064290234, "end_elevation_m": 1091.030888297529, "start_xy": [ 570836.8889633234, 6202128.992593481 ], "end_xy": [ 570921.9333803187, 6202106.441778934 ] } }, "window_minima": { "min_5m": { "gradient_pct": -17.29241092133634, "start_distance_m": 10792.0, "end_distance_m": 10797.0, "midpoint_distance_m": 10794.5, "start_elevation_m": 1177.9681769865365, "end_elevation_m": 1177.1035564404697, "start_xy": [ 572338.7811994265, 6201795.703770189 ], "end_xy": [ 572340.0192357558, 6201790.859467757 ] }, "min_10m": { "gradient_pct": -7.773425879718161, "start_distance_m": 10789.0, "end_distance_m": 10799.0, "midpoint_distance_m": 10794.0, "start_elevation_m": 1177.898173678636, "end_elevation_m": 1177.1208310906643, "start_xy": [ 572338.0383776289, 6201798.610351647 ], "end_xy": [ 572340.5144502876, 6201788.921746784 ] }, "min_20m": { "gradient_pct": -1.805050438958915, "start_distance_m": 10779.0, "end_distance_m": 10799.0, "midpoint_distance_m": 10789.0, "start_elevation_m": 1177.481841178456, "end_elevation_m": 1177.1208310906643, "start_xy": [ 572337.70656561, 6201808.602801529 ], "end_xy": [ 572340.5144502876, 6201788.921746784 ] }, "min_25m": { "gradient_pct": -0.6508386369077925, "start_distance_m": 10774.0, "end_distance_m": 10799.0, "midpoint_distance_m": 10786.5, "start_elevation_m": 1177.2835407498912, "end_elevation_m": 1177.1208310906643, "start_xy": [ 572337.5499966481, 6201813.600349544 ], "end_xy": [ 572340.5144502876, 6201788.921746784 ] }, "min_50m": { "gradient_pct": 1.2313915993395312, "start_distance_m": 12436.0, "end_distance_m": 12486.0, "midpoint_distance_m": 12461.0, "start_elevation_m": 1248.3254171140884, "end_elevation_m": 1248.9411129137582, "start_xy": [ 573497.9036663261, 6201239.58830359 ], "end_xy": [ 573519.2854781022, 6201196.937592523 ] }, "min_100m": { "gradient_pct": 1.6233876548094486, "start_distance_m": 3058.0, "end_distance_m": 3158.0, "midpoint_distance_m": 3108.0, "start_elevation_m": 798.8099832308394, "end_elevation_m": 800.4333708856489, "start_xy": [ 566661.4715124988, 6202005.8015983 ], "end_xy": [ 566738.878208699, 6202060.561235615 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 27.863209800170807, "start_distance_m": 10802.0, "end_distance_m": 10804.0, "midpoint_distance_m": 10803.0, "start_elevation_m": 1177.6702252276552, "end_elevation_m": 1178.2274894236587, "start_xy": [ 572341.3279150133, 6201786.041980529 ], "end_xy": [ 572342.2432391717, 6201784.2637281045 ] }, "max_3m": { "gradient_pct": 27.063180974156847, "start_distance_m": 10802.0, "end_distance_m": 10805.0, "midpoint_distance_m": 10803.5, "start_elevation_m": 1177.6702252276552, "end_elevation_m": 1178.48212065688, "start_xy": [ 572341.3279150133, 6201786.041980529 ], "end_xy": [ 572342.7009012508, 6201783.374601892 ] } }, "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": 0.009, "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": 0.011, "windows_resited": [], "windows_unresolved": [], "minima_resited": [ 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": 0.186, "obstruction_max_height_m": 30.34, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25 ] }, "excluded_ranges_m": [ [ 363.0, 383.0 ], [ 1766.0, 1781.0 ], [ 8214.0, 8240.0 ], [ 9590.0, 9612.0 ], [ 10100.0, 10116.0 ], [ 10400.0, 10430.0 ] ], "review": [], "extent": [] }, "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_E565-N6200_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E565-N6201_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E566-N6200_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E566-N6201_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E566-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E567-N6201_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E567-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E568-N6201_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E568-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E569-N6201_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E569-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E570-N6201_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E570-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E571-N6201_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E571-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E572-N6201_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E572-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E573-N6200_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E573-N6201_0m5@22LHD1IR-2025-03-20.tif" ], "calculated_at": "2026-09-20T09:00:35+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": [ "E565-N6200", "E565-N6201", "E566-N6200", "E566-N6201", "E566-N6202", "E567-N6201", "E567-N6202", "E568-N6201", "E568-N6202", "E569-N6201", "E569-N6202", "E570-N6201", "E570-N6202", "E571-N6201", "E571-N6202", "E572-N6201", "E572-N6202", "E573-N6200", "E573-N6201" ], "elevation_blocks": [ "22LHD1IR@2025-03-20" ], "ign_dalles": [ "LHD_FXX_0565_6201_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0565_6202_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0566_6201_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0566_6202_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0566_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0567_6202_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0567_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0568_6202_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0568_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0569_6202_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0569_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0570_6202_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0570_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0571_6202_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0571_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0572_6202_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0572_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0573_6201_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0573_6202_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD1IR" ], "ign_editions": [ "2025-03-20" ], "ign_dsm_edition": { "LHD_FXX_0565_6201_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0565_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0566_6201_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0566_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0566_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0567_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0567_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0568_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0568_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0569_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0569_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0570_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0570_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0571_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0571_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0572_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0572_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0573_6201_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0573_6202_MNT_O_0M50_LAMB93_IGN69": "2025-03-20" }, "climb_origin": "named-pass", "structure_own_ways": 13, "structure_mask_ranges_m": [ [ 8219.4, 8235.6 ], [ 368.2, 378.1 ] ], "carriageway": { "stations": 506, "stations_resolved": 506, "width_median_m": 6.5, "width_p10_m": 5.25, "width_min_m": 2.25, "width_max_m": 12.0, "bounded_share": 0.439, "unbounded_share": 0.561, "confidence_median": 0.0, "width_median_bounded_m": 6.5, "window_m": [ 10799.0, 10824.0 ], "width_at_max25_m": 6.5, "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": 506, "stations_resolved": 506, "width_median_m": 6.5, "width_p10_m": 1.0, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.85, "unbounded_share": 0.15, "confidence_median": 1.0, "width_median_bounded_m": 6.0, "window_m": [ 10799.0, 10824.0 ], "width_at_max25_m": 3.0, "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": "Massat", "county": "Ari\u00e8ge", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }