{ "ocl_version": "0.1.0", "name": "Route du Pied du M\u00e9zenc", "slug": "route-du-pied-du-mezenc", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 13.71116555245635, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 5546.0, "end_distance_m": 5548.0, "start_elevation_m": 1262.9682531084065, "end_elevation_m": 1263.2424764194557, "min_gradient_pct": -11.964426922827442 }, { "window_m": 3.0, "max_gradient_pct": 12.74770899641832, "diagnostic": true, "flags": [], "start_distance_m": 3119.0, "end_distance_m": 3122.0, "start_elevation_m": 1296.6515572811315, "end_elevation_m": 1297.033988551024, "min_gradient_pct": -11.12733445396922 }, { "window_m": 5.0, "max_gradient_pct": 12.58412711928031, "diagnostic": false, "flags": [], "start_distance_m": 3123.0, "end_distance_m": 3128.0, "start_elevation_m": 1297.1303109617731, "end_elevation_m": 1297.7595173177372, "min_gradient_pct": -10.72547889892121 }, { "window_m": 10.0, "max_gradient_pct": 12.266753269552737, "diagnostic": false, "flags": [], "start_distance_m": 3124.0, "end_distance_m": 3134.0, "start_elevation_m": 1297.2520347596126, "end_elevation_m": 1298.4787100865678, "min_gradient_pct": -10.376754074279688 }, { "window_m": 20.0, "max_gradient_pct": 11.965284945466692, "diagnostic": false, "flags": [], "start_distance_m": 3120.0, "end_distance_m": 3140.0, "start_elevation_m": 1296.7603028669555, "end_elevation_m": 1299.1533598560488, "min_gradient_pct": -9.72348691962793 }, { "window_m": 25.0, "max_gradient_pct": 11.747929461112108, "diagnostic": false, "flags": [], "start_distance_m": 3115.0, "end_distance_m": 3140.0, "start_elevation_m": 1296.2163774907708, "end_elevation_m": 1299.1533598560488, "min_gradient_pct": -9.435146805569275 }, { "window_m": 50.0, "max_gradient_pct": 10.748350093773752, "diagnostic": false, "flags": [], "start_distance_m": 3093.0, "end_distance_m": 3143.0, "start_elevation_m": 1294.08073490107, "end_elevation_m": 1299.4549099479568, "min_gradient_pct": -9.067795995698361 }, { "window_m": 100.0, "max_gradient_pct": 9.528085447572039, "diagnostic": false, "flags": [], "start_distance_m": 9089.0, "end_distance_m": 9189.0, "start_elevation_m": 1301.272863602177, "end_elevation_m": 1310.800949049749, "min_gradient_pct": -8.202129248878691 } ], "shape": { "ascent_concentration": 0.391, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 44.0, "shape_class": "sustained" }, "length_m": 10763.491716282386, "start_elevation_m": 1172.9436659179746, "end_elevation_m": 1336.4206676210936, "endpoint_gain_m": 163.47700170311896, "overall_gradient_pct": 1.5188101223306598, "accumulated_ascent_m": 315.7146134833031, "window_maxima": { "max_5m": { "gradient_pct": 12.58412711928031, "start_distance_m": 3123.0, "end_distance_m": 3128.0, "midpoint_distance_m": 3125.5, "start_elevation_m": 1297.1303109617731, "end_elevation_m": 1297.7595173177372, "start_xy": [ 796474.3044867556, 6427188.765673256 ], "end_xy": [ 796478.8758311863, 6427186.867433004 ] }, "max_10m": { "gradient_pct": 12.266753269552737, "start_distance_m": 3124.0, "end_distance_m": 3134.0, "midpoint_distance_m": 3129.0, "start_elevation_m": 1297.2520347596126, "end_elevation_m": 1298.4787100865678, "start_xy": [ 796475.2589456015, 6427188.467330648 ], "end_xy": [ 796483.7757373, 6427183.404642211 ] }, "max_20m": { "gradient_pct": 11.965284945466692, "start_distance_m": 3120.0, "end_distance_m": 3140.0, "midpoint_distance_m": 3130.0, "start_elevation_m": 1296.7603028669555, "end_elevation_m": 1299.1533598560488, "start_xy": [ 796471.4411102178, 6427189.660701077 ], "end_xy": [ 796486.8587732036, 6427178.363211986 ] }, "max_25m": { "gradient_pct": 11.747929461112108, "start_distance_m": 3115.0, "end_distance_m": 3140.0, "midpoint_distance_m": 3127.5, "start_elevation_m": 1296.2163774907708, "end_elevation_m": 1299.1533598560488, "start_xy": [ 796466.6688159882, 6427191.152414115 ], "end_xy": [ 796486.8587732036, 6427178.363211986 ] }, "max_50m": { "gradient_pct": 10.748350093773752, "start_distance_m": 3093.0, "end_distance_m": 3143.0, "midpoint_distance_m": 3118.0, "start_elevation_m": 1294.08073490107, "end_elevation_m": 1299.4549099479568, "start_xy": [ 796445.6707213777, 6427197.715951479 ], "end_xy": [ 796487.4047988129, 6427175.561547522 ] }, "max_100m": { "gradient_pct": 9.528085447572039, "start_distance_m": 9089.0, "end_distance_m": 9189.0, "midpoint_distance_m": 9139.0, "start_elevation_m": 1301.272863602177, "end_elevation_m": 1310.800949049749, "start_xy": [ 795655.6542953381, 6425052.382927973 ], "end_xy": [ 795588.5101752348, 6425123.579085243 ] } }, "window_minima": { "min_5m": { "gradient_pct": -10.72547889892121, "start_distance_m": 4310.0, "end_distance_m": 4315.0, "midpoint_distance_m": 4312.5, "start_elevation_m": 1295.971716833095, "end_elevation_m": 1295.4354428881488, "start_xy": [ 796749.1785840965, 6426557.125324569 ], "end_xy": [ 796744.2307733581, 6426556.40479081 ] }, "min_10m": { "gradient_pct": -10.376754074279688, "start_distance_m": 4309.0, "end_distance_m": 4319.0, "midpoint_distance_m": 4314.0, "start_elevation_m": 1296.0929163270941, "end_elevation_m": 1295.0552409196662, "start_xy": [ 796750.1681462443, 6426557.26943132 ], "end_xy": [ 796740.2725247674, 6426555.828363803 ] }, "min_20m": { "gradient_pct": -9.72348691962793, "start_distance_m": 4303.0, "end_distance_m": 4323.0, "midpoint_distance_m": 4313.0, "start_elevation_m": 1296.6548162740912, "end_elevation_m": 1294.7101188901656, "start_xy": [ 796755.8482325986, 6426559.003491189 ], "end_xy": [ 796736.3142761767, 6426555.251936796 ] }, "min_25m": { "gradient_pct": -9.435146805569275, "start_distance_m": 4302.0, "end_distance_m": 4327.0, "midpoint_distance_m": 4314.5, "start_elevation_m": 1296.7347305346518, "end_elevation_m": 1294.3759438332595, "start_xy": [ 796756.7568538898, 6426559.421112249 ], "end_xy": [ 796732.356027586, 6426554.675509789 ] }, "min_50m": { "gradient_pct": -9.067795995698361, "start_distance_m": 4282.0, "end_distance_m": 4332.0, "midpoint_distance_m": 4307.0, "start_elevation_m": 1298.4675519658401, "end_elevation_m": 1293.933653967991, "start_xy": [ 796767.6192055353, 6426573.945239222 ], "end_xy": [ 796727.4082168477, 6426553.954976031 ] }, "min_100m": { "gradient_pct": -8.202129248878691, "start_distance_m": 4575.0, "end_distance_m": 4675.0, "midpoint_distance_m": 4625.0, "start_elevation_m": 1279.7479857365126, "end_elevation_m": 1271.545856487634, "start_xy": [ 796500.5725227251, 6426562.486839094 ], "end_xy": [ 796437.8403679394, 6426485.124017254 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 13.71116555245635, "start_distance_m": 5546.0, "end_distance_m": 5548.0, "midpoint_distance_m": 5547.0, "start_elevation_m": 1262.9682531084065, "end_elevation_m": 1263.2424764194557, "start_xy": [ 796389.7159406521, 6425695.538164846 ], "end_xy": [ 796388.124243231, 6425694.3271737965 ] }, "max_3m": { "gradient_pct": 12.74770899641832, "start_distance_m": 3119.0, "end_distance_m": 3122.0, "midpoint_distance_m": 3120.5, "start_elevation_m": 1296.6515572811315, "end_elevation_m": 1297.033988551024, "start_xy": [ 796470.4866513719, 6427189.959043685 ], "end_xy": [ 796473.3500279097, 6427189.0640158625 ] } }, "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": 0.002, "windows_resited": [], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.009, "obstruction_max_height_m": 16.11, "flagged_windows_m": [ 2 ] }, "excluded_ranges_m": [ [ 0.0, 20.0 ] ], "review": [], "extent": [] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "076a8e7f889cfb3c2cf6b3de65a6030c7155b1f0", "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-mc7", "road_pbf": "block-batch-fr-mc7.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_E795-N6423_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E795-N6424_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E795-N6425_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E795-N6426_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E795-N6427_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E796-N6424_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E796-N6425_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E796-N6426_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E796-N6427_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E796-N6428_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E797-N6427_0m5@22LHD5NN-2025-06-04.tif", "data/cache/fr/ign-lidarhd_dtm_E797-N6428_0m5@22LHD5NN-2025-06-04.tif" ], "calculated_at": "2026-09-22T12:17:04+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc7.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc7", "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": [ "E795-N6423", "E795-N6424", "E795-N6425", "E795-N6426", "E795-N6427", "E796-N6424", "E796-N6425", "E796-N6426", "E796-N6427", "E796-N6428", "E797-N6427", "E797-N6428" ], "elevation_blocks": [ "22LHD5NN@2025-06-04" ], "ign_dalles": [ "LHD_FXX_0795_6424_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0795_6425_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0795_6426_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0795_6427_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0795_6428_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0796_6425_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0796_6426_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0796_6427_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0796_6428_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0796_6429_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0797_6428_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0797_6429_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD5NN" ], "ign_editions": [ "2025-06-04" ], "ign_dsm_edition": { "LHD_FXX_0795_6424_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0795_6425_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0795_6426_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0795_6427_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0795_6428_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0796_6425_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0796_6426_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0796_6427_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0796_6428_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0796_6429_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0797_6428_MNT_O_0M50_LAMB93_IGN69": "2025-06-04", "LHD_FXX_0797_6429_MNT_O_0M50_LAMB93_IGN69": "2025-06-04" }, "climb_origin": "named-pass", "structure_own_ways": 3, "structure_mask_ranges_m": [ [ 0.0, 15.0 ] ], "carriageway": { "stations": 436, "stations_resolved": 436, "width_median_m": 7.0, "width_p10_m": 5.5, "width_min_m": 1.75, "width_max_m": 12.0, "bounded_share": 0.218, "unbounded_share": 0.782, "confidence_median": 0.0, "width_median_bounded_m": 7.25, "window_m": [ 3115.0, 3140.0 ], "width_at_max25_m": 7.12, "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": 436, "stations_resolved": 436, "width_median_m": 9.75, "width_p10_m": 7.25, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.507, "unbounded_share": 0.493, "confidence_median": 0.844, "width_median_bounded_m": 9.0, "window_m": [ 3115.0, 3140.0 ], "width_at_max25_m": 9.75, "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": "Saint-Cl\u00e9ment", "county": "Ard\u00e8che", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }