{ "ocl_version": "0.1.0", "name": "Discovered lane (43.0263, 2.1501)", "slug": "discovered-lane-43-0263-2-1501", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 29.906787231851695, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 286.0, "end_distance_m": 288.0, "start_elevation_m": 292.0825474458793, "end_elevation_m": 292.68068319051633, "min_gradient_pct": -27.473180753892734 }, { "window_m": 3.0, "max_gradient_pct": 26.515890727404212, "diagnostic": true, "flags": [], "start_distance_m": 971.0, "end_distance_m": 974.0, "start_elevation_m": 343.3594596490021, "end_elevation_m": 344.1549363708242, "min_gradient_pct": -19.96422878381357 }, { "window_m": 5.0, "max_gradient_pct": 22.991105908598684, "diagnostic": false, "flags": [], "start_distance_m": 789.0, "end_distance_m": 794.0, "start_elevation_m": 325.5811773794965, "end_elevation_m": 326.73073267492646, "min_gradient_pct": -13.243310221337197 }, { "window_m": 10.0, "max_gradient_pct": 22.740857535670216, "diagnostic": false, "flags": [], "start_distance_m": 789.0, "end_distance_m": 799.0, "start_elevation_m": 325.5811773794965, "end_elevation_m": 327.85526313306354, "min_gradient_pct": -5.924716383534587 }, { "window_m": 20.0, "max_gradient_pct": 21.442340659243655, "diagnostic": false, "flags": [], "start_distance_m": 782.0, "end_distance_m": 802.0, "start_elevation_m": 324.1790089100407, "end_elevation_m": 328.4674770418894, "min_gradient_pct": -5.258392302692698 }, { "window_m": 25.0, "max_gradient_pct": 20.747054035252404, "diagnostic": false, "flags": [], "start_distance_m": 778.0, "end_distance_m": 803.0, "start_elevation_m": 323.4587989052976, "end_elevation_m": 328.6455624141107, "min_gradient_pct": -4.928620906857759 }, { "window_m": 50.0, "max_gradient_pct": 18.185557651067825, "diagnostic": false, "flags": [], "start_distance_m": 764.0, "end_distance_m": 814.0, "start_elevation_m": 321.2054999501199, "end_elevation_m": 330.2982787756538, "min_gradient_pct": -2.1809579326560424 }, { "window_m": 100.0, "max_gradient_pct": 14.995353861037245, "diagnostic": false, "flags": [], "start_distance_m": 739.0, "end_distance_m": 839.0, "start_elevation_m": 318.1031175880159, "end_elevation_m": 333.09847144905314, "min_gradient_pct": 1.1745053320818784 } ], "shape": { "ascent_concentration": 0.367, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 115.0, "shape_class": "sustained" }, "length_m": 1064.5620962400174, "start_elevation_m": 278.63430638476734, "end_elevation_m": 351.8055014269965, "endpoint_gain_m": 73.17119504222916, "overall_gradient_pct": 6.873360915315915, "accumulated_ascent_m": 77.45914459620775, "window_maxima": { "max_5m": { "gradient_pct": 22.991105908598684, "start_distance_m": 789.0, "end_distance_m": 794.0, "midpoint_distance_m": 791.5, "start_elevation_m": 325.5811773794965, "end_elevation_m": 326.73073267492646, "start_xy": [ 630902.8623593594, 6214482.046857316 ], "end_xy": [ 630905.1921697133, 6214486.470880792 ] }, "max_10m": { "gradient_pct": 22.740857535670216, "start_distance_m": 789.0, "end_distance_m": 799.0, "midpoint_distance_m": 794.0, "start_elevation_m": 325.5811773794965, "end_elevation_m": 327.85526313306354, "start_xy": [ 630902.8623593594, 6214482.046857316 ], "end_xy": [ 630907.5219800672, 6214490.894904268 ] }, "max_20m": { "gradient_pct": 21.442340659243655, "start_distance_m": 782.0, "end_distance_m": 802.0, "midpoint_distance_m": 792.0, "start_elevation_m": 324.1790089100407, "end_elevation_m": 328.4674770418894, "start_xy": [ 630899.6006248639, 6214475.85322445 ], "end_xy": [ 630908.9198662796, 6214493.549318353 ] }, "max_25m": { "gradient_pct": 20.747054035252404, "start_distance_m": 778.0, "end_distance_m": 803.0, "midpoint_distance_m": 790.5, "start_elevation_m": 323.4587989052976, "end_elevation_m": 328.6455624141107, "start_xy": [ 630897.7367765808, 6214472.314005669 ], "end_xy": [ 630909.3858283504, 6214494.434123049 ] }, "max_50m": { "gradient_pct": 18.185557651067825, "start_distance_m": 764.0, "end_distance_m": 814.0, "midpoint_distance_m": 789.0, "start_elevation_m": 321.2054999501199, "end_elevation_m": 330.2982787756538, "start_xy": [ 630891.2133075898, 6214459.926739937 ], "end_xy": [ 630908.5193656797, 6214505.145475798 ] }, "max_100m": { "gradient_pct": 14.995353861037245, "start_distance_m": 739.0, "end_distance_m": 839.0, "midpoint_distance_m": 789.0, "start_elevation_m": 318.1031175880159, "end_elevation_m": 333.09847144905314, "start_xy": [ 630879.5642558201, 6214437.806622557 ], "end_xy": [ 630891.7612598663, 6214523.659977836 ] } }, "window_minima": { "min_5m": { "gradient_pct": -13.243310221337197, "start_distance_m": 281.0, "end_distance_m": 286.0, "midpoint_distance_m": 283.5, "start_elevation_m": 292.74471295694616, "end_elevation_m": 292.0825474458793, "start_xy": [ 630446.3533814725, 6214524.391755305 ], "end_xy": [ 630451.2961168598, 6214523.637191264 ] }, "min_10m": { "gradient_pct": -5.924716383534587, "start_distance_m": 354.0, "end_distance_m": 364.0, "midpoint_distance_m": 359.0, "start_elevation_m": 296.60099437374913, "end_elevation_m": 296.0085227353957, "start_xy": [ 630516.2175520617, 6214523.770134787 ], "end_xy": [ 630525.5674230974, 6214520.223317676 ] }, "min_20m": { "gradient_pct": -5.258392302692698, "start_distance_m": 346.0, "end_distance_m": 366.0, "midpoint_distance_m": 356.0, "start_elevation_m": 296.94940730723954, "end_elevation_m": 295.897728846701, "start_xy": [ 630508.7376552331, 6214526.607588475 ], "end_xy": [ 630527.4373973046, 6214519.513954254 ] }, "min_25m": { "gradient_pct": -4.928620906857759, "start_distance_m": 345.0, "end_distance_m": 370.0, "midpoint_distance_m": 357.5, "start_elevation_m": 297.001901020402, "end_elevation_m": 295.76974579368755, "start_xy": [ 630507.8026681296, 6214526.962270186 ], "end_xy": [ 630531.1773457188, 6214518.09522741 ] }, "min_50m": { "gradient_pct": -2.1809579326560424, "start_distance_m": 340.0, "end_distance_m": 390.0, "midpoint_distance_m": 365.0, "start_elevation_m": 296.99032946478866, "end_elevation_m": 295.89985049846064, "start_xy": [ 630503.1277326116, 6214528.735678742 ], "end_xy": [ 630549.8770877904, 6214511.001593189 ] }, "min_100m": { "gradient_pct": 1.1745053320818784, "start_distance_m": 338.0, "end_distance_m": 438.0, "midpoint_distance_m": 388.0, "start_elevation_m": 296.92199052680775, "end_elevation_m": 298.0964958588896, "start_xy": [ 630501.2577584045, 6214529.445042163 ], "end_xy": [ 630595.5027188013, 6214496.212614054 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 29.906787231851695, "start_distance_m": 286.0, "end_distance_m": 288.0, "midpoint_distance_m": 287.0, "start_elevation_m": 292.0825474458793, "end_elevation_m": 292.68068319051633, "start_xy": [ 630451.2961168598, 6214523.637191264 ], "end_xy": [ 630453.2732110147, 6214523.335365648 ] }, "max_3m": { "gradient_pct": 26.515890727404212, "start_distance_m": 971.0, "end_distance_m": 974.0, "midpoint_distance_m": 972.5, "start_elevation_m": 343.3594596490021, "end_elevation_m": 344.1549363708242, "start_xy": [ 630809.330648333, 6214599.73598594 ], "end_xy": [ 630812.05772622, 6214598.550730053 ] } }, "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": 0.358, "obstruction_max_height_m": 18.49, "flagged_windows_m": [ 2 ] }, "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "06fa4c370391597f015858e97dcf01ca2f5b3640", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:0048c2bbb24ab95e", "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-pyr3", "road_pbf": "block-batch-fr-pyr3.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": "sha256:79dd257545ed11dc" }, "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_E630-N6214_0m5@21LHD3JR1-2025-04-11.tif" ], "calculated_at": "2026-09-20T06:51:06+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr3.osm.pbf", "osm_snapshot": "", "run_id": "fr-pyr3", "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": [ "E630-N6214" ], "elevation_blocks": [ "21LHD3JR1@2025-04-11" ], "ign_dalles": [ "LHD_FXX_0630_6215_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3JR1" ], "ign_editions": [ "2025-04-11" ], "ign_dsm_edition": { "LHD_FXX_0630_6215_MNT_O_0M50_LAMB93_IGN69": "2025-04-11" }, "climb_origin": "discovered", "structure_own_ways": 1, "carriageway": { "stations": 49, "stations_resolved": 49, "width_median_m": 4.0, "width_p10_m": 2.75, "width_min_m": 0.5, "width_max_m": 8.5, "bounded_share": 0.592, "unbounded_share": 0.408, "confidence_median": 0.592, "width_median_bounded_m": 4.25, "window_m": [ 778.0, 803.0 ], "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": 49, "stations_resolved": 49, "width_median_m": 3.25, "width_p10_m": 0.7, "width_min_m": 0.5, "width_max_m": 10.0, "bounded_share": 0.959, "unbounded_share": 0.041, "confidence_median": 1.0, "width_median_bounded_m": 3.0, "window_m": [ 778.0, 803.0 ], "width_at_max25_m": 3.75, "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": "Castelreng", "county": "Aude", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }