{ "ocl_version": "0.1.0", "name": "Discovered lane (42.9155, 0.8627)", "slug": "discovered-lane-42-9155-0-8627", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 26.316026563483774, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 1121.0, "end_distance_m": 1123.0, "start_elevation_m": 871.3560685876766, "end_elevation_m": 871.8823891189463, "min_gradient_pct": -11.969819228488632 }, { "window_m": 3.0, "max_gradient_pct": 25.64907393904529, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 1121.0, "end_distance_m": 1124.0, "start_elevation_m": 871.3560685876766, "end_elevation_m": 872.125540805848, "min_gradient_pct": -12.377591728333451 }, { "window_m": 5.0, "max_gradient_pct": 24.870291740362518, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1120.0, "end_distance_m": 1125.0, "start_elevation_m": 871.1385498023662, "end_elevation_m": 872.3820643893844, "min_gradient_pct": -9.964624836175062 }, { "window_m": 10.0, "max_gradient_pct": 23.825021778507107, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1118.0, "end_distance_m": 1128.0, "start_elevation_m": 870.6774821922593, "end_elevation_m": 873.05998437011, "min_gradient_pct": -7.287086021813138 }, { "window_m": 20.0, "max_gradient_pct": 22.703775808492992, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1117.0, "end_distance_m": 1137.0, "start_elevation_m": 870.4745465004269, "end_elevation_m": 875.0153016621255, "min_gradient_pct": -1.1591266387478072 }, { "window_m": 25.0, "max_gradient_pct": 22.39623030225357, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1117.0, "end_distance_m": 1142.0, "start_elevation_m": 870.4745465004269, "end_elevation_m": 876.0736040759903, "min_gradient_pct": 0.5562553052072872 }, { "window_m": 50.0, "max_gradient_pct": 22.05592897356837, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1118.0, "end_distance_m": 1168.0, "start_elevation_m": 870.6774821922593, "end_elevation_m": 881.7054466790435, "min_gradient_pct": 0.7770915832650189 }, { "window_m": 100.0, "max_gradient_pct": 16.35659884763072, "diagnostic": false, "flags": [], "start_distance_m": 1084.0, "end_distance_m": 1184.0, "start_elevation_m": 867.6990215738999, "end_elevation_m": 884.0556204215306, "min_gradient_pct": 2.201318060237668 } ], "shape": { "ascent_concentration": 0.313, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 77.0, "shape_class": "sustained" }, "length_m": 1219.9138769005144, "start_elevation_m": 786.0598504238287, "end_elevation_m": 884.7214848877904, "endpoint_gain_m": 98.66163446396172, "overall_gradient_pct": 8.087590143218586, "accumulated_ascent_m": 100.00792190647417, "window_maxima": { "max_5m": { "gradient_pct": 24.870291740362518, "start_distance_m": 1120.0, "end_distance_m": 1125.0, "midpoint_distance_m": 1122.5, "start_elevation_m": 871.1385498023662, "end_elevation_m": 872.3820643893844, "start_xy": [ 525181.7538860544, 6204274.795973109 ], "end_xy": [ 525183.1961163642, 6204279.583453839 ] }, "max_10m": { "gradient_pct": 23.825021778507107, "start_distance_m": 1118.0, "end_distance_m": 1128.0, "midpoint_distance_m": 1123.0, "start_elevation_m": 870.6774821922593, "end_elevation_m": 873.05998437011, "start_xy": [ 525181.1769939305, 6204272.880980818 ], "end_xy": [ 525184.4136096044, 6204282.311682401 ] }, "max_20m": { "gradient_pct": 22.703775808492992, "start_distance_m": 1117.0, "end_distance_m": 1137.0, "midpoint_distance_m": 1127.0, "start_elevation_m": 870.4745465004269, "end_elevation_m": 875.0153016621255, "start_xy": [ 525180.8885478686, 6204271.923484672 ], "end_xy": [ 525188.6094008152, 6204290.273801222 ] }, "max_25m": { "gradient_pct": 22.39623030225357, "start_distance_m": 1117.0, "end_distance_m": 1142.0, "midpoint_distance_m": 1129.5, "start_elevation_m": 870.4745465004269, "end_elevation_m": 876.0736040759903, "start_xy": [ 525180.8885478686, 6204271.923484672 ], "end_xy": [ 525191.186185979, 6204294.551043777 ] }, "max_50m": { "gradient_pct": 22.05592897356837, "start_distance_m": 1118.0, "end_distance_m": 1168.0, "midpoint_distance_m": 1143.0, "start_elevation_m": 870.6774821922593, "end_elevation_m": 881.7054466790435, "start_xy": [ 525181.1769939305, 6204272.880980818 ], "end_xy": [ 525205.99383298, 6204315.635723227 ] }, "max_100m": { "gradient_pct": 16.35659884763072, "start_distance_m": 1084.0, "end_distance_m": 1184.0, "midpoint_distance_m": 1134.0, "start_elevation_m": 867.6990215738999, "end_elevation_m": 884.0556204215306, "start_xy": [ 525150.7411488445, 6204261.563750069 ], "end_xy": [ 525221.51522262, 6204315.822701134 ] } }, "window_minima": { "min_5m": { "gradient_pct": -9.964624836175062, "start_distance_m": 1212.0, "end_distance_m": 1217.0, "midpoint_distance_m": 1214.5, "start_elevation_m": 885.2229243955078, "end_elevation_m": 884.724693153699, "start_xy": [ 525249.2224371993, 6204316.118786544 ], "end_xy": [ 525254.221606949, 6204316.209900835 ] }, "min_10m": { "gradient_pct": -7.287086021813138, "start_distance_m": 1207.0, "end_distance_m": 1217.0, "midpoint_distance_m": 1212.0, "start_elevation_m": 885.4534017558803, "end_elevation_m": 884.724693153699, "start_xy": [ 525244.2379573677, 6204315.795150579 ], "end_xy": [ 525254.221606949, 6204316.209900835 ] }, "min_20m": { "gradient_pct": -1.1591266387478072, "start_distance_m": 1198.0, "end_distance_m": 1218.0, "midpoint_distance_m": 1208.0, "start_elevation_m": 884.9867621224795, "end_elevation_m": 884.7549367947299, "start_xy": [ 525235.2910996485, 6204314.818855638 ], "end_xy": [ 525255.2214408988, 6204316.228123693 ] }, "min_25m": { "gradient_pct": 0.5562553052072872, "start_distance_m": 641.0, "end_distance_m": 666.0, "midpoint_distance_m": 653.5, "start_elevation_m": 836.8435459143677, "end_elevation_m": 836.9826097406695, "start_xy": [ 525378.5437126448, 6204190.237810678 ], "end_xy": [ 525394.2005302032, 6204209.529040916 ] }, "min_50m": { "gradient_pct": 0.7770915832650189, "start_distance_m": 617.0, "end_distance_m": 667.0, "midpoint_distance_m": 642.0, "start_elevation_m": 836.6018510511191, "end_elevation_m": 836.9903968427516, "start_xy": [ 525361.327362706, 6204173.551442194 ], "end_xy": [ 525394.5960709688, 6204210.447489337 ] }, "min_100m": { "gradient_pct": 2.201318060237668, "start_distance_m": 595.0, "end_distance_m": 695.0, "midpoint_distance_m": 645.0, "start_elevation_m": 835.848051274648, "end_elevation_m": 838.0493693348857, "start_xy": [ 525345.7164555403, 6204158.092506374 ], "end_xy": [ 525397.1006312957, 6204237.989002668 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 26.316026563483774, "start_distance_m": 1121.0, "end_distance_m": 1123.0, "midpoint_distance_m": 1122.0, "start_elevation_m": 871.3560685876766, "end_elevation_m": 871.8823891189463, "start_xy": [ 525182.0423321164, 6204275.753469255 ], "end_xy": [ 525182.6192242403, 6204277.668461547 ] }, "max_3m": { "gradient_pct": 25.64907393904529, "start_distance_m": 1121.0, "end_distance_m": 1124.0, "midpoint_distance_m": 1122.5, "start_elevation_m": 871.3560685876766, "end_elevation_m": 872.125540805848, "start_xy": [ 525182.0423321164, 6204275.753469255 ], "end_xy": [ 525182.9076703022, 6204278.625957693 ] } }, "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": 0.017, "windows_resited": [], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.061, "obstruction_max_height_m": 12.36, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25, 50 ] }, "excluded_ranges_m": [ [ 0.0, 20.0 ] ], "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-pyr2", "road_pbf": "block-batch-fr-pyr2.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:c54ac68b3f57b41b" }, "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_E525-N6203_0m5@21LHD1HR1-2025-04-18.tif", "data/cache/fr/ign-lidarhd_dtm_E525-N6204_0m5@21LHD1HR1-2025-04-18.tif" ], "calculated_at": "2026-09-20T07:01:03+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr2.osm.pbf", "osm_snapshot": "", "run_id": "fr-pyr2", "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": [ "E525-N6203", "E525-N6204" ], "elevation_blocks": [ "21LHD1HR1@2025-04-18" ], "ign_dalles": [ "LHD_FXX_0525_6204_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0525_6205_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD1HR1" ], "ign_editions": [ "2025-04-18" ], "ign_dsm_edition": { "LHD_FXX_0525_6204_MNT_O_0M50_LAMB93_IGN69": "2025-04-18", "LHD_FXX_0525_6205_MNT_O_0M50_LAMB93_IGN69": "2025-04-18" }, "climb_origin": "discovered", "structure_own_ways": 2, "structure_mask_ranges_m": [ [ 0.0, 15.0 ] ], "carriageway": { "stations": 55, "stations_resolved": 55, "width_median_m": 4.5, "width_p10_m": 3.1, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.4, "unbounded_share": 0.6, "confidence_median": 0.0, "width_median_bounded_m": 4.5, "window_m": [ 1117.0, 1142.0 ], "width_at_max25_m": 4.0, "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": 55, "stations_resolved": 55, "width_median_m": 6.0, "width_p10_m": 1.35, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.836, "unbounded_share": 0.164, "confidence_median": 1.0, "width_median_bounded_m": 5.5, "window_m": [ 1117.0, 1142.0 ], "width_at_max25_m": 1.75, "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": "Saint-Lary", "county": "Ari\u00e8ge", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }