{ "ocl_version": "0.1.0", "name": "Route des Combes", "slug": "route-des-combes-4", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 33.94452361581202, "diagnostic": true, "flags": [], "start_distance_m": 358.0, "end_distance_m": 360.0, "start_elevation_m": 107.25428040895929, "end_elevation_m": 107.93317088127553, "min_gradient_pct": -22.50505871611921 }, { "window_m": 3.0, "max_gradient_pct": 30.577126383730047, "diagnostic": true, "flags": [], "start_distance_m": 357.0, "end_distance_m": 360.0, "start_elevation_m": 107.01585708976363, "end_elevation_m": 107.93317088127553, "min_gradient_pct": -21.494720792702537 }, { "window_m": 5.0, "max_gradient_pct": 24.17700660593198, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1401.0, "end_distance_m": 1406.0, "start_elevation_m": 141.6764921612561, "end_elevation_m": 142.8853424915527, "min_gradient_pct": -21.02734348977208 }, { "window_m": 10.0, "max_gradient_pct": 22.727796412100645, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1402.0, "end_distance_m": 1412.0, "start_elevation_m": 141.94683276126568, "end_elevation_m": 144.21961240247575, "min_gradient_pct": -20.66680549839475 }, { "window_m": 20.0, "max_gradient_pct": 21.459062881990434, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1392.0, "end_distance_m": 1412.0, "start_elevation_m": 139.92779982607766, "end_elevation_m": 144.21961240247575, "min_gradient_pct": -20.110812451115194 }, { "window_m": 25.0, "max_gradient_pct": 21.236299605682234, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1382.0, "end_distance_m": 1407.0, "start_elevation_m": 137.826107123162, "end_elevation_m": 143.13518202458255, "min_gradient_pct": -19.547981007677095 }, { "window_m": 50.0, "max_gradient_pct": 19.828972483566474, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1372.0, "end_distance_m": 1422.0, "start_elevation_m": 135.9732110398014, "end_elevation_m": 145.88769728158465, "min_gradient_pct": -16.828330621420037 }, { "window_m": 100.0, "max_gradient_pct": 18.739293381763503, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1313.0, "end_distance_m": 1413.0, "start_elevation_m": 125.67448736598323, "end_elevation_m": 144.41378074774673, "min_gradient_pct": -10.193537471116784 } ], "shape": { "ascent_concentration": 0.491, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 295.0, "shape_class": "stepped" }, "length_m": 1879.5860952157777, "start_elevation_m": 78.47939754577581, "end_elevation_m": 197.9130906059528, "endpoint_gain_m": 119.43369306017698, "overall_gradient_pct": 6.354254980081979, "accumulated_ascent_m": 144.28118506879818, "window_maxima": { "max_5m": { "gradient_pct": 24.17700660593198, "start_distance_m": 1401.0, "end_distance_m": 1406.0, "midpoint_distance_m": 1403.5, "start_elevation_m": 141.6764921612561, "end_elevation_m": 142.8853424915527, "start_xy": [ 526868.8130480975, 6351780.63446001 ], "end_xy": [ 526872.6824021597, 6351777.467742601 ] }, "max_10m": { "gradient_pct": 22.727796412100645, "start_distance_m": 1402.0, "end_distance_m": 1412.0, "midpoint_distance_m": 1407.0, "start_elevation_m": 141.94683276126568, "end_elevation_m": 144.21961240247575, "start_xy": [ 526869.5869189099, 6351780.001116528 ], "end_xy": [ 526877.3256270343, 6351773.667681712 ] }, "max_20m": { "gradient_pct": 21.459062881990434, "start_distance_m": 1392.0, "end_distance_m": 1412.0, "midpoint_distance_m": 1402.0, "start_elevation_m": 139.92779982607766, "end_elevation_m": 144.21961240247575, "start_xy": [ 526861.8482107855, 6351786.334551344 ], "end_xy": [ 526877.3256270343, 6351773.667681712 ] }, "max_25m": { "gradient_pct": 21.236299605682234, "start_distance_m": 1382.0, "end_distance_m": 1407.0, "midpoint_distance_m": 1394.5, "start_elevation_m": 137.826107123162, "end_elevation_m": 143.13518202458255, "start_xy": [ 526854.4536191822, 6351793.066524977 ], "end_xy": [ 526873.4562729722, 6351776.83439912 ] }, "max_50m": { "gradient_pct": 19.828972483566474, "start_distance_m": 1372.0, "end_distance_m": 1422.0, "midpoint_distance_m": 1397.0, "start_elevation_m": 135.9732110398014, "end_elevation_m": 145.88769728158465, "start_xy": [ 526847.0597052878, 6351799.7992835 ], "end_xy": [ 526881.351981674, 6351764.587208174 ] }, "max_100m": { "gradient_pct": 18.739293381763503, "start_distance_m": 1313.0, "end_distance_m": 1413.0, "midpoint_distance_m": 1363.0, "start_elevation_m": 125.67448736598323, "end_elevation_m": 144.41378074774673, "start_xy": [ 526814.7912999118, 6351848.886909981 ], "end_xy": [ 526877.937157852, 6351772.914211133 ] } }, "window_minima": { "min_5m": { "gradient_pct": -21.02734348977208, "start_distance_m": 1002.0, "end_distance_m": 1007.0, "midpoint_distance_m": 1004.5, "start_elevation_m": 114.63342604433538, "end_elevation_m": 113.58205886984678, "start_xy": [ 526701.7163060888, 6352079.365457462 ], "end_xy": [ 526706.4913300732, 6352077.8825056935 ] }, "min_10m": { "gradient_pct": -20.66680549839475, "start_distance_m": 1001.0, "end_distance_m": 1011.0, "midpoint_distance_m": 1006.0, "start_elevation_m": 114.84136859583046, "end_elevation_m": 112.77468804599098, "start_xy": [ 526700.761301292, 6352079.662047816 ], "end_xy": [ 526710.3113492607, 6352076.696144278 ] }, "min_20m": { "gradient_pct": -20.110812451115194, "start_distance_m": 997.0, "end_distance_m": 1017.0, "midpoint_distance_m": 1007.0, "start_elevation_m": 115.59910306831897, "end_elevation_m": 111.57694057809593, "start_xy": [ 526696.9412821045, 6352080.848409231 ], "end_xy": [ 526716.041378042, 6352074.916602156 ] }, "min_25m": { "gradient_pct": -19.547981007677095, "start_distance_m": 994.0, "end_distance_m": 1019.0, "midpoint_distance_m": 1006.5, "start_elevation_m": 116.11248100885535, "end_elevation_m": 111.22548575693608, "start_xy": [ 526694.1975588335, 6352082.031631037 ], "end_xy": [ 526717.9513876358, 6352074.3234214485 ] }, "min_50m": { "gradient_pct": -16.828330621420037, "start_distance_m": 986.0, "end_distance_m": 1036.0, "midpoint_distance_m": 1011.0, "start_elevation_m": 117.31270006594687, "end_elevation_m": 108.89853475523685, "start_xy": [ 526687.11183697, 6352085.745462706 ], "end_xy": [ 526734.1864691826, 6352069.281385435 ] }, "min_100m": { "gradient_pct": -10.193537471116784, "start_distance_m": 960.0, "end_distance_m": 1060.0, "midpoint_distance_m": 1010.0, "start_elevation_m": 118.26936038402498, "end_elevation_m": 108.0758229129082, "start_xy": [ 526664.0832409135, 6352097.815415634 ], "end_xy": [ 526756.7709245712, 6352061.66138516 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 33.94452361581202, "start_distance_m": 358.0, "end_distance_m": 360.0, "midpoint_distance_m": 359.0, "start_elevation_m": 107.25428040895929, "end_elevation_m": 107.93317088127553, "start_xy": [ 526205.667246249, 6352378.793203154 ], "end_xy": [ 526206.9718097227, 6352377.277249941 ] }, "max_3m": { "gradient_pct": 30.577126383730047, "start_distance_m": 357.0, "end_distance_m": 360.0, "midpoint_distance_m": 358.5, "start_elevation_m": 107.01585708976363, "end_elevation_m": 107.93317088127553, "start_xy": [ 526205.0149645122, 6352379.551179759 ], "end_xy": [ 526206.9718097227, 6352377.277249941 ] } }, "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": { "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.21, "obstruction_max_height_m": 21.6, "flagged_windows_m": [ 5, 10, 20, 25, 50, 100 ] }, "review": [], "extent": [] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "16bcc1553fe58b280e0c4a66a3ab0980530490a6", "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-so6", "road_pbf": "block-batch-fr-so6.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": "sha256:18f786cf9fa98070" }, "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_E525-N6352_0m5@21LHD2HO-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E526-N6351_0m5@21LHD2HO-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E526-N6352_0m5@21LHD2HO-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E527-N6351_0m5@21LHD2HO-2025-02-20.tif" ], "calculated_at": "2026-09-27T04:16:08+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-so6.osm.pbf", "osm_snapshot": "", "run_id": "fr-so6", "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": [ "E525-N6352", "E526-N6351", "E526-N6352", "E527-N6351" ], "elevation_blocks": [ "21LHD2HO@2025-02-20" ], "ign_dalles": [ "LHD_FXX_0525_6353_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0526_6352_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0526_6353_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0527_6352_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD2HO" ], "ign_editions": [ "2025-02-20" ], "ign_dsm_edition": { "LHD_FXX_0525_6353_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0526_6352_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0526_6353_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0527_6352_MNT_O_0M50_LAMB93_IGN69": "2025-02-20" }, "climb_origin": "discovered", "seam_filled_samples": { "count": 0, "distances_m": [] }, "seam_filled_in_maximum": false, "structure_own_ways": "none \u2014 the route carried no way list and no mapped way runs along it; own decks unmasked", "carriageway": { "stations": 82, "stations_resolved": 82, "width_median_m": 5.5, "width_p10_m": 3.0, "width_min_m": 1.25, "width_max_m": 10.0, "bounded_share": 0.244, "unbounded_share": 0.756, "confidence_median": 0.0, "width_median_bounded_m": 5.62, "window_m": [ 1382.0, 1407.0 ], "width_at_max25_m": 4.25, "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": 82, "stations_resolved": 82, "width_median_m": 6.38, "width_p10_m": 0.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.695, "unbounded_share": 0.305, "confidence_median": 1.0, "width_median_bounded_m": 2.75, "window_m": [ 1382.0, 1407.0 ], "width_at_max25_m": 1.0, "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": "Saint-Martin-de-Beauville", "county": "Lot-et-Garonne", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }