{ "ocl_version": "0.1.0", "name": "Discovered lane (43.2870, 1.6716)", "slug": "discovered-lane-43-2870-1-6716", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 24.682535620476642, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 162.0, "end_distance_m": 164.0, "start_elevation_m": 271.61786854480374, "end_elevation_m": 272.1115192572133, "min_gradient_pct": 0.2941016166857935 }, { "window_m": 3.0, "max_gradient_pct": 24.301833975289355, "diagnostic": true, "flags": [], "start_distance_m": 162.0, "end_distance_m": 165.0, "start_elevation_m": 271.61786854480374, "end_elevation_m": 272.3469235640624, "min_gradient_pct": 0.7560473108043197 }, { "window_m": 5.0, "max_gradient_pct": 22.467329706213377, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 160.0, "end_distance_m": 165.0, "start_elevation_m": 271.22355707875175, "end_elevation_m": 272.3469235640624, "min_gradient_pct": 1.450408092467228 }, { "window_m": 10.0, "max_gradient_pct": 20.9811985564437, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 75.0, "end_distance_m": 85.0, "start_elevation_m": 256.4063310040086, "end_elevation_m": 258.504450859653, "min_gradient_pct": 2.591254887759362 }, { "window_m": 20.0, "max_gradient_pct": 20.53626809973963, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 80.0, "end_distance_m": 100.0, "start_elevation_m": 257.4069937997015, "end_elevation_m": 261.51424741964945, "min_gradient_pct": 5.656954243210777 }, { "window_m": 25.0, "max_gradient_pct": 20.43166566256332, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 75.0, "end_distance_m": 100.0, "start_elevation_m": 256.4063310040086, "end_elevation_m": 261.51424741964945, "min_gradient_pct": 6.310667220961022 }, { "window_m": 50.0, "max_gradient_pct": 19.63916108963639, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 50.0, "end_distance_m": 100.0, "start_elevation_m": 251.69466687483126, "end_elevation_m": 261.51424741964945, "min_gradient_pct": 10.135750830727545 }, { "window_m": 100.0, "max_gradient_pct": 17.915370687474933, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 65.0, "end_distance_m": 165.0, "start_elevation_m": 254.4315528765875, "end_elevation_m": 272.3469235640624, "min_gradient_pct": 14.887455960181967 } ], "shape": { "ascent_concentration": 0.317, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 192.0, "shape_class": "sustained" }, "length_m": 213.49079620940194, "start_elevation_m": 246.62679145946748, "end_elevation_m": 279.7095282950721, "endpoint_gain_m": 33.082736835604635, "overall_gradient_pct": 15.496095111826513, "accumulated_ascent_m": 33.085030989688136, "window_maxima": { "max_5m": { "gradient_pct": 22.467329706213377, "start_distance_m": 160.0, "end_distance_m": 165.0, "midpoint_distance_m": 162.5, "start_elevation_m": 271.22355707875175, "end_elevation_m": 272.3469235640624, "start_xy": [ 592087.1760788846, 6243990.438522486 ], "end_xy": [ 592082.2720100337, 6243989.463787288 ] }, "max_10m": { "gradient_pct": 20.9811985564437, "start_distance_m": 75.0, "end_distance_m": 85.0, "midpoint_distance_m": 80.0, "start_elevation_m": 256.4063310040086, "end_elevation_m": 258.504450859653, "start_xy": [ 592170.3971030323, 6244007.722318381 ], "end_xy": [ 592160.6238495115, 6244005.604887009 ] }, "max_20m": { "gradient_pct": 20.53626809973963, "start_distance_m": 80.0, "end_distance_m": 100.0, "midpoint_distance_m": 90.0, "start_elevation_m": 257.4069937997015, "end_elevation_m": 261.51424741964945, "start_xy": [ 592165.5104762719, 6244006.663602695 ], "end_xy": [ 592145.9639692302, 6244002.42873995 ] }, "max_25m": { "gradient_pct": 20.43166566256332, "start_distance_m": 75.0, "end_distance_m": 100.0, "midpoint_distance_m": 87.5, "start_elevation_m": 256.4063310040086, "end_elevation_m": 261.51424741964945, "start_xy": [ 592170.3971030323, 6244007.722318381 ], "end_xy": [ 592145.9639692302, 6244002.42873995 ] }, "max_50m": { "gradient_pct": 19.63916108963639, "start_distance_m": 50.0, "end_distance_m": 100.0, "midpoint_distance_m": 75.0, "start_elevation_m": 251.69466687483126, "end_elevation_m": 261.51424741964945, "start_xy": [ 592191.8006436857, 6244019.722297777 ], "end_xy": [ 592145.9639692302, 6244002.42873995 ] }, "max_100m": { "gradient_pct": 17.915370687474933, "start_distance_m": 65.0, "end_distance_m": 165.0, "midpoint_distance_m": 115.0, "start_elevation_m": 254.4315528765875, "end_elevation_m": 272.3469235640624, "start_xy": [ 592179.7268155994, 6244010.821585708 ], "end_xy": [ 592082.2720100337, 6243989.463787288 ] } }, "window_minima": { "min_5m": { "gradient_pct": 1.450408092467228, "start_distance_m": 1.0, "end_distance_m": 6.0, "midpoint_distance_m": 3.5, "start_elevation_m": 246.63694467531997, "end_elevation_m": 246.70946507994333, "start_xy": [ 592218.6166805951, 6244060.412478326 ], "end_xy": [ 592215.9950835706, 6244056.154869955 ] }, "min_10m": { "gradient_pct": 2.591254887759362, "start_distance_m": 0.0, "end_distance_m": 10.0, "midpoint_distance_m": 5.0, "start_elevation_m": 246.62679145946748, "end_elevation_m": 246.88591694824342, "start_xy": [ 592219.141, 6244061.264 ], "end_xy": [ 592213.8978059511, 6244052.748783259 ] }, "min_20m": { "gradient_pct": 5.656954243210777, "start_distance_m": 0.0, "end_distance_m": 20.0, "midpoint_distance_m": 10.0, "start_elevation_m": 246.62679145946748, "end_elevation_m": 247.75818230810964, "start_xy": [ 592219.141, 6244061.264 ], "end_xy": [ 592208.6546119021, 6244044.233566516 ] }, "min_25m": { "gradient_pct": 6.310667220961022, "start_distance_m": 0.0, "end_distance_m": 25.0, "midpoint_distance_m": 12.5, "start_elevation_m": 246.62679145946748, "end_elevation_m": 248.20445826470774, "start_xy": [ 592219.141, 6244061.264 ], "end_xy": [ 592206.0330148776, 6244039.975958145 ] }, "min_50m": { "gradient_pct": 10.135750830727545, "start_distance_m": 0.0, "end_distance_m": 50.0, "midpoint_distance_m": 25.0, "start_elevation_m": 246.62679145946748, "end_elevation_m": 251.69466687483126, "start_xy": [ 592219.141, 6244061.264 ], "end_xy": [ 592191.8006436857, 6244019.722297777 ] }, "min_100m": { "gradient_pct": 14.887455960181967, "start_distance_m": 0.0, "end_distance_m": 100.0, "midpoint_distance_m": 50.0, "start_elevation_m": 246.62679145946748, "end_elevation_m": 261.51424741964945, "start_xy": [ 592219.141, 6244061.264 ], "end_xy": [ 592145.9639692302, 6244002.42873995 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 24.682535620476642, "start_distance_m": 162.0, "end_distance_m": 164.0, "midpoint_distance_m": 163.0, "start_elevation_m": 271.61786854480374, "end_elevation_m": 272.1115192572133, "start_xy": [ 592085.2144513442, 6243990.0486284075 ], "end_xy": [ 592083.2528238038, 6243989.658734328 ] }, "max_3m": { "gradient_pct": 24.301833975289355, "start_distance_m": 162.0, "end_distance_m": 165.0, "midpoint_distance_m": 163.5, "start_elevation_m": 271.61786854480374, "end_elevation_m": 272.3469235640624, "start_xy": [ 592085.2144513442, 6243990.0486284075 ], "end_xy": [ 592082.2720100337, 6243989.463787288 ] } }, "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": 0.586, "obstruction_max_height_m": 16.52, "flagged_windows_m": [ 2, 5, 10, 20, 25, 50, 100 ] }, "review": [], "extent": [ "may_start_earlier", "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "937d2a005af5491e462567d7f33ab563f033918b", "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_E592-N6243_0m5@21LHD3JQ-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E592-N6244_0m5@21LHD3JQ-2025-03-14.tif" ], "calculated_at": "2026-09-20T08:40:08+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": [ "E592-N6243", "E592-N6244" ], "elevation_blocks": [ "21LHD3JQ@2025-03-14" ], "ign_dalles": [ "LHD_FXX_0592_6244_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0592_6245_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3JQ" ], "ign_editions": [ "2025-03-14" ], "ign_dsm_edition": { "LHD_FXX_0592_6244_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0592_6245_MNT_O_0M50_LAMB93_IGN69": "2025-03-14" }, "climb_origin": "discovered", "structure_own_ways": 1, "carriageway": { "stations": 13, "stations_resolved": 13, "width_median_m": 6.25, "width_p10_m": 4.75, "width_min_m": 3.0, "width_max_m": 12.0, "bounded_share": 0.385, "unbounded_share": 0.615, "confidence_median": 0.0, "width_median_bounded_m": 5.5, "window_m": [ 75.0, 100.0 ], "width_at_max25_m": 5.75, "window_stations": 6, "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": 13, "stations_resolved": 13, "width_median_m": 2.0, "width_p10_m": 0.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.846, "unbounded_share": 0.154, "confidence_median": 1.0, "width_median_bounded_m": 1.5, "window_m": [ 75.0, 100.0 ], "width_at_max25_m": 2.0, "window_stations": 6, "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": "Gibel", "county": "Haute-Garonne", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }