{ "ocl_version": "0.1.0", "name": "Route de Pont-Trambouze", "slug": "route-de-pont-trambouze", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 24.42079816962064, "diagnostic": true, "flags": [], "start_distance_m": 2620.0, "end_distance_m": 2622.0, "start_elevation_m": 582.7071432954028, "end_elevation_m": 583.1955592587952, "min_gradient_pct": -5.949420757417556 }, { "window_m": 3.0, "max_gradient_pct": 23.983391662159192, "diagnostic": true, "flags": [], "start_distance_m": 2653.0, "end_distance_m": 2656.0, "start_elevation_m": 589.7811974541021, "end_elevation_m": 590.5006992039669, "min_gradient_pct": -5.644562669961791 }, { "window_m": 5.0, "max_gradient_pct": 23.562761076693732, "diagnostic": false, "flags": [], "start_distance_m": 2651.0, "end_distance_m": 2656.0, "start_elevation_m": 589.3225611501322, "end_elevation_m": 590.5006992039669, "min_gradient_pct": -5.519883169415607 }, { "window_m": 10.0, "max_gradient_pct": 22.643029219780146, "diagnostic": false, "flags": [], "start_distance_m": 2650.0, "end_distance_m": 2660.0, "start_elevation_m": 589.1107722362349, "end_elevation_m": 591.3750751582129, "min_gradient_pct": -5.2204147874113005 }, { "window_m": 20.0, "max_gradient_pct": 22.165785012327888, "diagnostic": false, "flags": [], "start_distance_m": 2617.0, "end_distance_m": 2637.0, "start_elevation_m": 582.0392670177782, "end_elevation_m": 586.4724240202438, "min_gradient_pct": -4.366205171476736 }, { "window_m": 25.0, "max_gradient_pct": 21.866972163651553, "diagnostic": false, "flags": [], "start_distance_m": 2612.0, "end_distance_m": 2637.0, "start_elevation_m": 581.0056809793309, "end_elevation_m": 586.4724240202438, "min_gradient_pct": -3.9449789684299503 }, { "window_m": 50.0, "max_gradient_pct": 21.57660133735135, "diagnostic": false, "flags": [], "start_distance_m": 2614.0, "end_distance_m": 2664.0, "start_elevation_m": 581.3953096324826, "end_elevation_m": 592.1836103011583, "min_gradient_pct": -0.632442825866292 }, { "window_m": 100.0, "max_gradient_pct": 19.214035457311866, "diagnostic": false, "flags": [], "start_distance_m": 2578.0, "end_distance_m": 2678.0, "start_elevation_m": 575.4079711658808, "end_elevation_m": 594.6220066231926, "min_gradient_pct": 0.4340711809536515 } ], "shape": { "ascent_concentration": 0.348, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 222.0, "shape_class": "sustained" }, "length_m": 2858.440310612503, "start_elevation_m": 449.64608831909453, "end_elevation_m": 607.886514257819, "endpoint_gain_m": 158.2404259387245, "overall_gradient_pct": 5.535901006966172, "accumulated_ascent_m": 159.70975390447694, "window_maxima": { "max_5m": { "gradient_pct": 23.562761076693732, "start_distance_m": 2651.0, "end_distance_m": 2656.0, "midpoint_distance_m": 2653.5, "start_elevation_m": 589.3225611501322, "end_elevation_m": 590.5006992039669, "start_xy": [ 799920.1335387105, 6556264.938716638 ], "end_xy": [ 799915.3796029465, 6556263.512386002 ] }, "max_10m": { "gradient_pct": 22.643029219780146, "start_distance_m": 2650.0, "end_distance_m": 2660.0, "midpoint_distance_m": 2655.0, "start_elevation_m": 589.1107722362349, "end_elevation_m": 591.3750751582129, "start_xy": [ 799921.121893121, 6556265.090886146 ], "end_xy": [ 799912.1273657, 6556261.212143402 ] }, "max_20m": { "gradient_pct": 22.165785012327888, "start_distance_m": 2617.0, "end_distance_m": 2637.0, "midpoint_distance_m": 2627.0, "start_elevation_m": 582.0392670177782, "end_elevation_m": 586.4724240202438, "start_xy": [ 799948.689895942, 6556248.035876543 ], "end_xy": [ 799932.7373793534, 6556260.097437054 ] }, "max_25m": { "gradient_pct": 21.866972163651553, "start_distance_m": 2612.0, "end_distance_m": 2637.0, "midpoint_distance_m": 2624.5, "start_elevation_m": 581.0056809793309, "end_elevation_m": 586.4724240202438, "start_xy": [ 799952.6607273249, 6556244.997373931 ], "end_xy": [ 799932.7373793534, 6556260.097437054 ] }, "max_50m": { "gradient_pct": 21.57660133735135, "start_distance_m": 2614.0, "end_distance_m": 2664.0, "midpoint_distance_m": 2639.0, "start_elevation_m": 581.3953096324826, "end_elevation_m": 592.1836103011583, "start_xy": [ 799951.0723947717, 6556246.212774976 ], "end_xy": [ 799909.4609918189, 6556258.230577732 ] }, "max_100m": { "gradient_pct": 19.214035457311866, "start_distance_m": 2578.0, "end_distance_m": 2678.0, "midpoint_distance_m": 2628.0, "start_elevation_m": 575.4079711658808, "end_elevation_m": 594.6220066231926, "start_xy": [ 799978.9912491236, 6556223.539168342 ], "end_xy": [ 799900.2625286594, 6556247.676513326 ] } }, "window_minima": { "min_5m": { "gradient_pct": -5.519883169415607, "start_distance_m": 2798.0, "end_distance_m": 2803.0, "midpoint_distance_m": 2800.5, "start_elevation_m": 606.623488220707, "end_elevation_m": 606.3474940622363, "start_xy": [ 799794.2655227153, 6556222.080623913 ], "end_xy": [ 799789.4108264658, 6556223.277254318 ] }, "min_10m": { "gradient_pct": -5.2204147874113005, "start_distance_m": 2792.0, "end_distance_m": 2802.0, "midpoint_distance_m": 2797.0, "start_elevation_m": 606.9282386786005, "end_elevation_m": 606.4061971998593, "start_xy": [ 799800.0911582146, 6556220.644667427 ], "end_xy": [ 799790.3817657158, 6556223.037928237 ] }, "min_20m": { "gradient_pct": -4.366205171476736, "start_distance_m": 2791.0, "end_distance_m": 2811.0, "midpoint_distance_m": 2801.0, "start_elevation_m": 606.9650404265878, "end_elevation_m": 606.0917993922925, "start_xy": [ 799801.0620974645, 6556220.405341346 ], "end_xy": [ 799782.1680948888, 6556226.38907057 ] }, "min_25m": { "gradient_pct": -3.9449789684299503, "start_distance_m": 2786.0, "end_distance_m": 2811.0, "midpoint_distance_m": 2798.5, "start_elevation_m": 607.0780441344, "end_elevation_m": 606.0917993922925, "start_xy": [ 799805.9167937138, 6556219.2087109415 ], "end_xy": [ 799782.1680948888, 6556226.38907057 ] }, "min_50m": { "gradient_pct": -0.632442825866292, "start_distance_m": 2775.0, "end_distance_m": 2825.0, "midpoint_distance_m": 2800.0, "start_elevation_m": 606.8651351801426, "end_elevation_m": 606.5489137672095, "start_xy": [ 799816.6812905008, 6556217.06447095 ], "end_xy": [ 799778.3859085828, 6556221.910564326 ] }, "min_100m": { "gradient_pct": 0.4340711809536515, "start_distance_m": 2060.0, "end_distance_m": 2160.0, "midpoint_distance_m": 2110.0, "start_elevation_m": 553.0596340588844, "end_elevation_m": 553.493705239838, "start_xy": [ 800247.8929636953, 6555902.358991064 ], "end_xy": [ 800213.0526389171, 6555996.093321807 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 24.42079816962064, "start_distance_m": 2620.0, "end_distance_m": 2622.0, "midpoint_distance_m": 2621.0, "start_elevation_m": 582.7071432954028, "end_elevation_m": 583.1955592587952, "start_xy": [ 799946.3073971121, 6556249.858978111 ], "end_xy": [ 799944.719064559, 6556251.074379156 ] }, "max_3m": { "gradient_pct": 23.983391662159192, "start_distance_m": 2653.0, "end_distance_m": 2656.0, "midpoint_distance_m": 2654.5, "start_elevation_m": 589.7811974541021, "end_elevation_m": 590.5006992039669, "start_xy": [ 799918.1568298895, 6556264.634377621 ], "end_xy": [ 799915.3796029465, 6556263.512386002 ] } }, "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": 0.007, "windows_resited": [], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.033, "obstruction_max_height_m": 22.63, "flagged_windows_m": [] }, "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_E799-N6555_0m5@21LHD5NK-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E799-N6556_0m5@21LHD5NK-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E800-N6554_0m5@21LHD5NK-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E800-N6555_0m5@21LHD5NK-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E800-N6556_0m5@21LHD5NK-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E801-N6554_0m5@21LHD5NK-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E801-N6555_0m5@21LHD5NK-2025-02-20.tif" ], "calculated_at": "2026-09-22T12:29:33+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": [ "E799-N6555", "E799-N6556", "E800-N6554", "E800-N6555", "E800-N6556", "E801-N6554", "E801-N6555" ], "elevation_blocks": [ "21LHD5NK@2025-02-20" ], "ign_dalles": [ "LHD_FXX_0799_6556_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0799_6557_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0800_6555_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0800_6556_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0800_6557_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0801_6555_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0801_6556_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD5NK" ], "ign_editions": [ "2025-02-20" ], "ign_dsm_edition": { "LHD_FXX_0799_6556_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0799_6557_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0800_6555_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0800_6556_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0800_6557_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0801_6555_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0801_6556_MNT_O_0M50_LAMB93_IGN69": "2025-02-20" }, "climb_origin": "discovered", "structure_own_ways": 5, "structure_mask_ranges_m": [ [ 0.0, 15.0 ] ], "carriageway": { "stations": 121, "stations_resolved": 121, "width_median_m": 8.25, "width_p10_m": 6.0, "width_min_m": 3.25, "width_max_m": 12.0, "bounded_share": 0.215, "unbounded_share": 0.785, "confidence_median": 0.0, "width_median_bounded_m": 7.75, "window_m": [ 2612.0, 2637.0 ], "width_at_max25_m": 6.75, "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": 121, "stations_resolved": 121, "width_median_m": 9.5, "width_p10_m": 4.75, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.504, "unbounded_share": 0.496, "confidence_median": 0.843, "width_median_bounded_m": 7.75, "window_m": [ 2612.0, 2637.0 ], "width_at_max25_m": 9.5, "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": "Sevelinges", "county": "Loire", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }