{ "ocl_version": "0.1.0", "name": "Route des Sauces", "slug": "route-des-sauces", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 33.14415377385558, "diagnostic": true, "flags": [], "start_distance_m": 1868.0, "end_distance_m": 1870.0, "start_elevation_m": 396.00282725424705, "end_elevation_m": 396.66571032972416, "min_gradient_pct": -0.8016591940702256 }, { "window_m": 3.0, "max_gradient_pct": 31.880562929109146, "diagnostic": true, "flags": [], "start_distance_m": 1868.0, "end_distance_m": 1871.0, "start_elevation_m": 396.00282725424705, "end_elevation_m": 396.9592441421203, "min_gradient_pct": 0.03509213452351408 }, { "window_m": 5.0, "max_gradient_pct": 31.824757089908644, "diagnostic": false, "flags": [], "start_distance_m": 1868.0, "end_distance_m": 1873.0, "start_elevation_m": 396.00282725424705, "end_elevation_m": 397.5940651087425, "min_gradient_pct": 0.7944930966493757 }, { "window_m": 10.0, "max_gradient_pct": 29.876603354932172, "diagnostic": false, "flags": [], "start_distance_m": 1868.0, "end_distance_m": 1878.0, "start_elevation_m": 396.00282725424705, "end_elevation_m": 398.99048758974027, "min_gradient_pct": 2.0227846982834308 }, { "window_m": 20.0, "max_gradient_pct": 28.03818116763665, "diagnostic": false, "flags": [], "start_distance_m": 1863.0, "end_distance_m": 1883.0, "start_elevation_m": 394.70221338647343, "end_elevation_m": 400.30984962000076, "min_gradient_pct": 2.9397001457087413 }, { "window_m": 25.0, "max_gradient_pct": 27.31718413303497, "diagnostic": false, "flags": [], "start_distance_m": 1857.0, "end_distance_m": 1882.0, "start_elevation_m": 393.2653827187162, "end_elevation_m": 400.0946787519749, "min_gradient_pct": 2.918022782306025 }, { "window_m": 50.0, "max_gradient_pct": 23.98825000265765, "diagnostic": false, "flags": [], "start_distance_m": 1852.0, "end_distance_m": 1902.0, "start_elevation_m": 392.30603244169293, "end_elevation_m": 404.30015744302176, "min_gradient_pct": 3.4505105890939376 }, { "window_m": 100.0, "max_gradient_pct": 22.50256806685411, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1851.0, "end_distance_m": 1951.0, "start_elevation_m": 392.1098719008826, "end_elevation_m": 414.6124399677367, "min_gradient_pct": 4.563261524546817 } ], "shape": { "ascent_concentration": 0.385, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 220.0, "shape_class": "sustained" }, "length_m": 1981.5327341939162, "start_elevation_m": 264.39822194433543, "end_elevation_m": 419.74852867785165, "endpoint_gain_m": 155.35030673351622, "overall_gradient_pct": 7.839906152078403, "accumulated_ascent_m": 155.44822837462334, "window_maxima": { "max_5m": { "gradient_pct": 31.824757089908644, "start_distance_m": 1868.0, "end_distance_m": 1873.0, "midpoint_distance_m": 1870.5, "start_elevation_m": 396.00282725424705, "end_elevation_m": 397.5940651087425, "start_xy": [ 1034981.8162011658, 6303865.226582864 ], "end_xy": [ 1034977.474419434, 6303867.706286757 ] }, "max_10m": { "gradient_pct": 29.876603354932172, "start_distance_m": 1868.0, "end_distance_m": 1878.0, "midpoint_distance_m": 1873.0, "start_elevation_m": 396.00282725424705, "end_elevation_m": 398.99048758974027, "start_xy": [ 1034981.8162011658, 6303865.226582864 ], "end_xy": [ 1034973.1326377022, 6303870.185990649 ] }, "max_20m": { "gradient_pct": 28.03818116763665, "start_distance_m": 1863.0, "end_distance_m": 1883.0, "midpoint_distance_m": 1873.0, "start_elevation_m": 394.70221338647343, "end_elevation_m": 400.30984962000076, "start_xy": [ 1034986.1579828976, 6303862.746878972 ], "end_xy": [ 1034968.7908559704, 6303872.665694541 ] }, "max_25m": { "gradient_pct": 27.31718413303497, "start_distance_m": 1857.0, "end_distance_m": 1882.0, "midpoint_distance_m": 1869.5, "start_elevation_m": 393.2653827187162, "end_elevation_m": 400.0946787519749, "start_xy": [ 1034990.9347300315, 6303859.1448691925 ], "end_xy": [ 1034969.6592123167, 6303872.169753763 ] }, "max_50m": { "gradient_pct": 23.98825000265765, "start_distance_m": 1852.0, "end_distance_m": 1902.0, "midpoint_distance_m": 1877.0, "start_elevation_m": 392.30603244169293, "end_elevation_m": 404.30015744302176, "start_xy": [ 1034994.7857372424, 6303855.955865671 ], "end_xy": [ 1034952.8154710638, 6303882.895493989 ] }, "max_100m": { "gradient_pct": 22.50256806685411, "start_distance_m": 1851.0, "end_distance_m": 1951.0, "midpoint_distance_m": 1901.0, "start_elevation_m": 392.1098719008826, "end_elevation_m": 414.6124399677367, "start_xy": [ 1034995.5559386847, 6303855.318064967 ], "end_xy": [ 1034938.7305359204, 6303917.669209645 ] } }, "window_minima": { "min_5m": { "gradient_pct": 0.7944930966493757, "start_distance_m": 1750.0, "end_distance_m": 1755.0, "midpoint_distance_m": 1752.5, "start_elevation_m": 374.6902197245384, "end_elevation_m": 374.72994437937086, "start_xy": [ 1035084.921491326, 6303833.98941701 ], "end_xy": [ 1035081.8528429184, 6303830.042568184 ] }, "min_10m": { "gradient_pct": 2.0227846982834308, "start_distance_m": 1748.0, "end_distance_m": 1758.0, "midpoint_distance_m": 1753.0, "start_elevation_m": 374.6211270040301, "end_elevation_m": 374.82340547385843, "start_xy": [ 1035086.164229252, 6303835.556453208 ], "end_xy": [ 1035080.0688867663, 6303827.630618673 ] }, "min_20m": { "gradient_pct": 2.9397001457087413, "start_distance_m": 1658.0, "end_distance_m": 1678.0, "midpoint_distance_m": 1668.0, "start_elevation_m": 370.03289173122965, "end_elevation_m": 370.6208317603714, "start_xy": [ 1035163.495694663, 6303878.617901311 ], "end_xy": [ 1035144.489646602, 6303872.765552271 ] }, "min_25m": { "gradient_pct": 2.918022782306025, "start_distance_m": 1655.0, "end_distance_m": 1680.0, "midpoint_distance_m": 1667.5, "start_elevation_m": 369.9402102485501, "end_elevation_m": 370.6697159441266, "start_xy": [ 1035166.4491795156, 6303879.000540252 ], "end_xy": [ 1035142.6506928141, 6303871.979264177 ] }, "min_50m": { "gradient_pct": 3.4505105890939376, "start_distance_m": 1645.0, "end_distance_m": 1695.0, "midpoint_distance_m": 1670.0, "start_elevation_m": 369.53099435485126, "end_elevation_m": 371.2562496493982, "start_xy": [ 1035176.3721927066, 6303877.849506549 ], "end_xy": [ 1035128.9830111837, 6303865.80239974 ] }, "min_100m": { "gradient_pct": 4.563261524546817, "start_distance_m": 1357.0, "end_distance_m": 1457.0, "midpoint_distance_m": 1407.0, "start_elevation_m": 353.884179387577, "end_elevation_m": 358.4474409121238, "start_xy": [ 1035359.5440119937, 6303929.2383731995 ], "end_xy": [ 1035299.396323209, 6303850.550718762 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 33.14415377385558, "start_distance_m": 1868.0, "end_distance_m": 1870.0, "midpoint_distance_m": 1869.0, "start_elevation_m": 396.00282725424705, "end_elevation_m": 396.66571032972416, "start_xy": [ 1034981.8162011658, 6303865.226582864 ], "end_xy": [ 1034980.0794884731, 6303866.218464421 ] }, "max_3m": { "gradient_pct": 31.880562929109146, "start_distance_m": 1868.0, "end_distance_m": 1871.0, "midpoint_distance_m": 1869.5, "start_elevation_m": 396.00282725424705, "end_elevation_m": 396.9592441421203, "start_xy": [ 1034981.8162011658, 6303865.226582864 ], "end_xy": [ 1034979.2111321267, 6303866.7144051995 ] } }, "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": 0.053, "obstruction_max_height_m": 12.93, "flagged_windows_m": [ 100 ] }, "review": [], "extent": [ "may_start_earlier", "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "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_E1034-N6303_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E1034-N6304_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E1035-N6303_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E1035-N6304_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E1036-N6303_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E1036-N6304_0m5.tif" ], "calculated_at": "2026-09-17T02:49:49+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-alps4.osm.pbf", "osm_snapshot": "", "run_id": "fr-alps4", "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": [ "E1034-N6303", "E1034-N6304", "E1035-N6303", "E1035-N6304", "E1036-N6303", "E1036-N6304" ], "elevation_blocks": [ "21LHD8RP@2025-03-06", "21LHD8SP@2025-06-20" ], "ign_dalles": [ "LHD_FXX_1034_6304_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1034_6305_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1035_6304_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1035_6305_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1036_6304_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1036_6305_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD8RP", "21LHD8SP" ], "ign_editions": [ "2025-03-06", "2025-06-20" ], "ign_dsm_edition": { "LHD_FXX_1034_6304_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_1034_6305_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_1035_6304_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_1035_6305_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_1036_6304_MNT_O_0M50_LAMB93_IGN69": "2025-06-20", "LHD_FXX_1036_6305_MNT_O_0M50_LAMB93_IGN69": "2025-06-20" }, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked", "carriageway": { "stations": 86, "stations_resolved": 86, "width_median_m": 6.25, "width_p10_m": 4.0, "width_min_m": 2.75, "width_max_m": 12.0, "bounded_share": 0.535, "unbounded_share": 0.465, "confidence_median": 0.548, "width_median_bounded_m": 6.0, "window_m": [ 1857.0, 1882.0 ], "width_at_max25_m": 4.5, "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": 86, "stations_resolved": 86, "width_median_m": 6.0, "width_p10_m": 2.75, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.767, "unbounded_share": 0.233, "confidence_median": 1.0, "width_median_bounded_m": 5.38, "window_m": [ 1857.0, 1882.0 ], "width_at_max25_m": 4.5, "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": "Gatti\u00e8res", "county": "Alpes-Maritimes", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }