{ "ocl_version": "0.1.0", "name": "Route de la Pose", "slug": "route-de-la-pose-2", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 25.138324110452004, "diagnostic": true, "flags": [], "start_distance_m": 64.0, "end_distance_m": 66.0, "start_elevation_m": 608.968442138248, "end_elevation_m": 609.471208620457, "min_gradient_pct": 1.7073744098524912 }, { "window_m": 3.0, "max_gradient_pct": 24.9536441798341, "diagnostic": true, "flags": [], "start_distance_m": 64.0, "end_distance_m": 67.0, "start_elevation_m": 608.968442138248, "end_elevation_m": 609.717051463643, "min_gradient_pct": 2.209242487648074 }, { "window_m": 5.0, "max_gradient_pct": 24.40255153496537, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 62.0, "end_distance_m": 67.0, "start_elevation_m": 608.4969238868947, "end_elevation_m": 609.717051463643, "min_gradient_pct": 3.878135037323318 }, { "window_m": 10.0, "max_gradient_pct": 23.677162637618494, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 57.0, "end_distance_m": 67.0, "start_elevation_m": 607.3493351998811, "end_elevation_m": 609.717051463643, "min_gradient_pct": 4.258651599240011 }, { "window_m": 20.0, "max_gradient_pct": 21.31397236281032, "diagnostic": false, "flags": [], "start_distance_m": 48.0, "end_distance_m": 68.0, "start_elevation_m": 605.6118967310395, "end_elevation_m": 609.8746912036015, "min_gradient_pct": 4.379475200719867 }, { "window_m": 25.0, "max_gradient_pct": 20.320117556360856, "diagnostic": false, "flags": [], "start_distance_m": 42.0, "end_distance_m": 67.0, "start_elevation_m": 604.6370220745528, "end_elevation_m": 609.717051463643, "min_gradient_pct": 4.602285675650364 }, { "window_m": 50.0, "max_gradient_pct": 17.514906922551518, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 18.0, "end_distance_m": 68.0, "start_elevation_m": 601.1172377423258, "end_elevation_m": 609.8746912036015, "min_gradient_pct": 6.086139059659217 }, { "window_m": 100.0, "max_gradient_pct": 15.009447330468674, "diagnostic": false, "flags": [], "start_distance_m": 140.0, "end_distance_m": 240.0, "start_elevation_m": 618.9219172293938, "end_elevation_m": 633.9313645598625, "min_gradient_pct": 8.068739044747758 } ], "shape": { "ascent_concentration": 0.31, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 162.0, "shape_class": "sustained" }, "length_m": 461.6117049326313, "start_elevation_m": 599.1760513730715, "end_elevation_m": 655.6595064649009, "endpoint_gain_m": 56.483455091829455, "overall_gradient_pct": 12.236140134287275, "accumulated_ascent_m": 56.483455091829455, "window_maxima": { "max_5m": { "gradient_pct": 24.40255153496537, "start_distance_m": 62.0, "end_distance_m": 67.0, "midpoint_distance_m": 64.5, "start_elevation_m": 608.4969238868947, "end_elevation_m": 609.717051463643, "start_xy": [ 959092.15354541, 6578845.168429065 ], "end_xy": [ 959096.0391464711, 6578842.022244643 ] }, "max_10m": { "gradient_pct": 23.677162637618494, "start_distance_m": 57.0, "end_distance_m": 67.0, "midpoint_distance_m": 62.0, "start_elevation_m": 607.3493351998811, "end_elevation_m": 609.717051463643, "start_xy": [ 959088.1910136219, 6578848.21774732 ], "end_xy": [ 959096.0391464711, 6578842.022244643 ] }, "max_20m": { "gradient_pct": 21.31397236281032, "start_distance_m": 48.0, "end_distance_m": 68.0, "midpoint_distance_m": 58.0, "start_elevation_m": 605.6118967310395, "end_elevation_m": 609.8746912036015, "start_xy": [ 959081.0515178547, 6578853.697480155 ], "end_xy": [ 959096.7720781147, 6578841.34298442 ] }, "max_25m": { "gradient_pct": 20.320117556360856, "start_distance_m": 42.0, "end_distance_m": 67.0, "midpoint_distance_m": 54.5, "start_elevation_m": 604.6370220745528, "end_elevation_m": 609.717051463643, "start_xy": [ 959076.3165611123, 6578857.380547266 ], "end_xy": [ 959096.0391464711, 6578842.022244643 ] }, "max_50m": { "gradient_pct": 17.514906922551518, "start_distance_m": 18.0, "end_distance_m": 68.0, "midpoint_distance_m": 43.0, "start_elevation_m": 601.1172377423258, "end_elevation_m": 609.8746912036015, "start_xy": [ 959059.4738838796, 6578874.408754319 ], "end_xy": [ 959096.7720781147, 6578841.34298442 ] }, "max_100m": { "gradient_pct": 15.009447330468674, "start_distance_m": 140.0, "end_distance_m": 240.0, "midpoint_distance_m": 190.0, "start_elevation_m": 618.9219172293938, "end_elevation_m": 633.9313645598625, "start_xy": [ 959106.4572971998, 6578773.193078362 ], "end_xy": [ 959119.8049483343, 6578675.162209897 ] } }, "window_minima": { "min_5m": { "gradient_pct": 3.878135037323318, "start_distance_m": 242.0, "end_distance_m": 247.0, "midpoint_distance_m": 244.5, "start_elevation_m": 634.1293603205934, "end_elevation_m": 634.3232670724595, "start_xy": [ 959119.8948438179, 6578673.1642312175 ], "end_xy": [ 959119.4724996286, 6578668.20301028 ] }, "min_10m": { "gradient_pct": 4.258651599240011, "start_distance_m": 362.0, "end_distance_m": 372.0, "midpoint_distance_m": 367.0, "start_elevation_m": 646.6382657769792, "end_elevation_m": 647.0641309369032, "start_xy": [ 959045.9011698158, 6578583.360073125 ], "end_xy": [ 959039.9068845386, 6578575.3557902705 ] }, "min_20m": { "gradient_pct": 4.379475200719867, "start_distance_m": 362.0, "end_distance_m": 382.0, "midpoint_distance_m": 372.0, "start_elevation_m": 646.6382657769792, "end_elevation_m": 647.5141608171232, "start_xy": [ 959045.9011698158, 6578583.360073125 ], "end_xy": [ 959034.0310956179, 6578567.265233247 ] }, "min_25m": { "gradient_pct": 4.602285675650364, "start_distance_m": 357.0, "end_distance_m": 382.0, "midpoint_distance_m": 369.5, "start_elevation_m": 646.3635893982106, "end_elevation_m": 647.5141608171232, "start_xy": [ 959048.8983124543, 6578587.362214552 ], "end_xy": [ 959034.0310956179, 6578567.265233247 ] }, "min_50m": { "gradient_pct": 6.086139059659217, "start_distance_m": 350.0, "end_distance_m": 400.0, "midpoint_distance_m": 375.0, "start_elevation_m": 645.89446966067, "end_elevation_m": 648.9375391904996, "start_xy": [ 959053.0901407241, 6578592.968186016 ], "end_xy": [ 959024.5757517433, 6578551.94986745 ] }, "min_100m": { "gradient_pct": 8.068739044747758, "start_distance_m": 337.0, "end_distance_m": 437.0, "midpoint_distance_m": 387.0, "start_elevation_m": 644.5941548321022, "end_elevation_m": 652.6628938768499, "start_xy": [ 959059.8331156502, 6578604.060890911 ], "end_xy": [ 959005.6140481215, 6578520.186505853 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 25.138324110452004, "start_distance_m": 64.0, "end_distance_m": 66.0, "midpoint_distance_m": 65.0, "start_elevation_m": 608.968442138248, "end_elevation_m": 609.471208620457, "start_xy": [ 959093.7187300714, 6578843.923735567 ], "end_xy": [ 959095.2656743379, 6578842.656074951 ] }, "max_3m": { "gradient_pct": 24.9536441798341, "start_distance_m": 64.0, "end_distance_m": 67.0, "midpoint_distance_m": 65.5, "start_elevation_m": 608.968442138248, "end_elevation_m": 609.717051463643, "start_xy": [ 959093.7187300714, 6578843.923735567 ], "end_xy": [ 959096.0391464711, 6578842.022244643 ] } }, "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": 0.112, "obstruction_max_height_m": 12.46, "flagged_windows_m": [ 5, 10, 50 ] }, "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_E958-N6578_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E959-N6578_0m5.tif" ], "calculated_at": "2026-09-17T05:14:52+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-alps3.osm.pbf", "osm_snapshot": "", "run_id": "fr-alps3", "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": [ "E958-N6578", "E959-N6578" ], "elevation_blocks": [ "21LHD5QK2@2025-06-13" ], "ign_dalles": [ "LHD_FXX_0958_6579_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0959_6579_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD5QK2" ], "ign_editions": [ "2025-06-13" ], "ign_dsm_edition": { "LHD_FXX_0958_6579_MNT_O_0M50_LAMB93_IGN69": "2025-06-13", "LHD_FXX_0959_6579_MNT_O_0M50_LAMB93_IGN69": "2025-06-13" }, "climb_origin": "discovered", "structure_own_ways": 3, "carriageway": { "stations": 25, "stations_resolved": 25, "width_median_m": 6.5, "width_p10_m": 4.5, "width_min_m": 3.0, "width_max_m": 12.0, "bounded_share": 0.08, "unbounded_share": 0.92, "confidence_median": 0.0, "width_median_bounded_m": 4.12, "window_m": [ 42.0, 67.0 ], "width_at_max25_m": 8.0, "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": 25, "stations_resolved": 25, "width_median_m": 7.25, "width_p10_m": 1.35, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.52, "unbounded_share": 0.48, "confidence_median": 0.847, "width_median_bounded_m": 3.0, "window_m": [ 42.0, 67.0 ], "width_at_max25_m": 7.0, "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": "Bons-en-Chablais", "county": "Haute-Savoie", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }