{ "ocl_version": "0.1.0", "name": "Discovered lane (43.2601, 1.7781)", "slug": "discovered-lane-43-2601-1-7781", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 21.73256529785874, "diagnostic": true, "flags": [], "start_distance_m": 120.0, "end_distance_m": 122.0, "start_elevation_m": 271.14142845142374, "end_elevation_m": 271.5760797573809, "min_gradient_pct": -6.396877641964238 }, { "window_m": 3.0, "max_gradient_pct": 21.517893200098115, "diagnostic": true, "flags": [], "start_distance_m": 126.0, "end_distance_m": 129.0, "start_elevation_m": 272.4030727898105, "end_elevation_m": 273.04860958581344, "min_gradient_pct": -6.003271001598402 }, { "window_m": 5.0, "max_gradient_pct": 21.276693768103314, "diagnostic": false, "flags": [], "start_distance_m": 124.0, "end_distance_m": 129.0, "start_elevation_m": 271.9847748974083, "end_elevation_m": 273.04860958581344, "min_gradient_pct": -5.572258235561094 }, { "window_m": 10.0, "max_gradient_pct": 21.07923636888529, "diagnostic": false, "flags": [], "start_distance_m": 121.0, "end_distance_m": 131.0, "start_elevation_m": 271.345903496266, "end_elevation_m": 273.4538271331545, "min_gradient_pct": -4.747728531719986 }, { "window_m": 20.0, "max_gradient_pct": 20.713996093783464, "diagnostic": false, "flags": [], "start_distance_m": 118.0, "end_distance_m": 138.0, "start_elevation_m": 270.7489490681493, "end_elevation_m": 274.89174828690597, "min_gradient_pct": -3.659504661773667 }, { "window_m": 25.0, "max_gradient_pct": 20.43206206896525, "diagnostic": false, "flags": [], "start_distance_m": 117.0, "end_distance_m": 142.0, "start_elevation_m": 270.5499442327246, "end_elevation_m": 275.6579597499659, "min_gradient_pct": -3.259553970178331 }, { "window_m": 50.0, "max_gradient_pct": 19.52608789971896, "diagnostic": false, "flags": [], "start_distance_m": 114.0, "end_distance_m": 164.0, "start_elevation_m": 269.97290494911886, "end_elevation_m": 279.73594889897834, "min_gradient_pct": -1.949245565832939 }, { "window_m": 100.0, "max_gradient_pct": 18.98664555637913, "diagnostic": false, "flags": [], "start_distance_m": 112.0, "end_distance_m": 212.0, "start_elevation_m": 269.6059039051986, "end_elevation_m": 288.59254946157773, "min_gradient_pct": 2.0597083411458925 } ], "shape": { "ascent_concentration": 0.463, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 233.0, "shape_class": "stepped" }, "length_m": 426.21274120784346, "start_elevation_m": 265.8328912832037, "end_elevation_m": 308.47881254882384, "endpoint_gain_m": 42.64592126562013, "overall_gradient_pct": 10.005782826849787, "accumulated_ascent_m": 43.72853727918647, "window_maxima": { "max_5m": { "gradient_pct": 21.276693768103314, "start_distance_m": 124.0, "end_distance_m": 129.0, "midpoint_distance_m": 126.5, "start_elevation_m": 271.9847748974083, "end_elevation_m": 273.04860958581344, "start_xy": [ 600734.9059936735, 6241012.226291309 ], "end_xy": [ 600734.9466597881, 6241007.226456685 ] }, "max_10m": { "gradient_pct": 21.07923636888529, "start_distance_m": 121.0, "end_distance_m": 131.0, "midpoint_distance_m": 126.0, "start_elevation_m": 271.345903496266, "end_elevation_m": 273.4538271331545, "start_xy": [ 600734.8815940046, 6241015.226192083 ], "end_xy": [ 600734.962926234, 6241005.226522836 ] }, "max_20m": { "gradient_pct": 20.713996093783464, "start_distance_m": 118.0, "end_distance_m": 138.0, "midpoint_distance_m": 128.0, "start_elevation_m": 270.7489490681493, "end_elevation_m": 274.89174828690597, "start_xy": [ 600734.8571943358, 6241018.226092858 ], "end_xy": [ 600735.0198587945, 6240998.226754362 ] }, "max_25m": { "gradient_pct": 20.43206206896525, "start_distance_m": 117.0, "end_distance_m": 142.0, "midpoint_distance_m": 129.5, "start_elevation_m": 270.5499442327246, "end_elevation_m": 275.6579597499659, "start_xy": [ 600734.8490611129, 6241019.226059782 ], "end_xy": [ 600735.0523916864, 6240994.226886663 ] }, "max_50m": { "gradient_pct": 19.52608789971896, "start_distance_m": 114.0, "end_distance_m": 164.0, "midpoint_distance_m": 139.0, "start_elevation_m": 269.97290494911886, "end_elevation_m": 279.73594889897834, "start_xy": [ 600734.824661444, 6241022.225960557 ], "end_xy": [ 600735.231322591, 6240972.227614317 ] }, "max_100m": { "gradient_pct": 18.98664555637913, "start_distance_m": 112.0, "end_distance_m": 212.0, "midpoint_distance_m": 162.0, "start_elevation_m": 269.6059039051986, "end_elevation_m": 288.59254946157773, "start_xy": [ 600734.8083949982, 6241024.225894406 ], "end_xy": [ 600735.6217172919, 6240924.229201927 ] } }, "window_minima": { "min_5m": { "gradient_pct": -5.572258235561094, "start_distance_m": 381.0, "end_distance_m": 386.0, "midpoint_distance_m": 383.5, "start_elevation_m": 309.36294763655917, "end_elevation_m": 309.0843347247811, "start_xy": [ 600623.8978375889, 6240853.274402086 ], "end_xy": [ 600619.8976187638, 6240852.745136758 ] }, "min_10m": { "gradient_pct": -4.747728531719986, "start_distance_m": 381.0, "end_distance_m": 391.0, "midpoint_distance_m": 386.0, "start_elevation_m": 309.36294763655917, "end_elevation_m": 308.88817478338717, "start_xy": [ 600623.8978375889, 6240853.274402086 ], "end_xy": [ 600616.6687401492, 6240856.42186206 ] }, "min_20m": { "gradient_pct": -3.659504661773667, "start_distance_m": 378.0, "end_distance_m": 398.0, "midpoint_distance_m": 388.0, "start_elevation_m": 309.45007481471674, "end_elevation_m": 308.718173882362, "start_xy": [ 600626.2030800406, 6240855.161227898 ], "end_xy": [ 600613.1863336001, 6240862.494163487 ] }, "min_25m": { "gradient_pct": -3.259553970178331, "start_distance_m": 378.0, "end_distance_m": 403.0, "midpoint_distance_m": 390.5, "start_elevation_m": 309.45007481471674, "end_elevation_m": 308.63518632217216, "start_xy": [ 600626.2030800406, 6240855.161227898 ], "end_xy": [ 600611.3760337218, 6240867.134638878 ] }, "min_50m": { "gradient_pct": -1.949245565832939, "start_distance_m": 376.0, "end_distance_m": 426.0, "midpoint_distance_m": 401.0, "start_elevation_m": 309.45387109403487, "end_elevation_m": 308.4792483111184, "start_xy": [ 600627.1802450243, 6240856.906263311 ], "end_xy": [ 600604.1171419739, 6240888.959131784 ] }, "min_100m": { "gradient_pct": 2.0597083411458925, "start_distance_m": 0.0, "end_distance_m": 100.0, "midpoint_distance_m": 50.0, "start_elevation_m": 265.8328912832037, "end_elevation_m": 267.8925996243496, "start_xy": [ 600679.064, 6241111.551 ], "end_xy": [ 600734.7107963229, 6241036.225497504 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 21.73256529785874, "start_distance_m": 120.0, "end_distance_m": 122.0, "midpoint_distance_m": 121.0, "start_elevation_m": 271.14142845142374, "end_elevation_m": 271.5760797573809, "start_xy": [ 600734.8734607816, 6241016.226159008 ], "end_xy": [ 600734.8897272276, 6241014.226225158 ] }, "max_3m": { "gradient_pct": 21.517893200098115, "start_distance_m": 126.0, "end_distance_m": 129.0, "midpoint_distance_m": 127.5, "start_elevation_m": 272.4030727898105, "end_elevation_m": 273.04860958581344, "start_xy": [ 600734.9222601193, 6241010.226357459 ], "end_xy": [ 600734.9466597881, 6241007.226456685 ] } }, "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": 0.023, "obstruction_max_height_m": 4.84, "flagged_windows_m": [] }, "review": [], "extent": [] }, "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_E600-N6240_0m5@21LHD3JQ-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E600-N6241_0m5@21LHD3JQ-2025-03-14.tif" ], "calculated_at": "2026-09-20T07:12:56+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": [ "E600-N6240", "E600-N6241" ], "elevation_blocks": [ "21LHD3JQ@2025-03-14" ], "ign_dalles": [ "LHD_FXX_0600_6241_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0600_6242_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3JQ" ], "ign_editions": [ "2025-03-14" ], "ign_dsm_edition": { "LHD_FXX_0600_6241_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0600_6242_MNT_O_0M50_LAMB93_IGN69": "2025-03-14" }, "climb_origin": "discovered", "structure_own_ways": 1, "carriageway": { "stations": 24, "stations_resolved": 24, "width_median_m": 5.62, "width_p10_m": 4.75, "width_min_m": 2.25, "width_max_m": 8.75, "bounded_share": 0.125, "unbounded_share": 0.875, "confidence_median": 0.0, "width_median_bounded_m": 5.5, "window_m": [ 117.0, 142.0 ], "width_at_max25_m": 5.25, "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": 24, "stations_resolved": 24, "width_median_m": 10.25, "width_p10_m": 5.48, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.333, "unbounded_share": 0.667, "confidence_median": 0.0, "width_median_bounded_m": 6.12, "window_m": [ 117.0, 142.0 ], "width_at_max25_m": 10.5, "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": "Sainte-Camelle", "county": "Aude", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }