{ "ocl_version": "0.1.0", "name": "Discovered lane (46.7430, 5.6209)", "slug": "discovered-lane-46-7430-5-6209", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 31.093620534019806, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 226.0, "end_distance_m": 228.0, "start_elevation_m": 288.8477275586743, "end_elevation_m": 289.4695999693547, "min_gradient_pct": -2.5129895081335007 }, { "window_m": 3.0, "max_gradient_pct": 29.177183648177635, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 226.0, "end_distance_m": 229.0, "start_elevation_m": 288.8477275586743, "end_elevation_m": 289.72304306811964, "min_gradient_pct": -1.3473578499845946 }, { "window_m": 5.0, "max_gradient_pct": 28.414999447765013, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 226.0, "end_distance_m": 231.0, "start_elevation_m": 288.8477275586743, "end_elevation_m": 290.26847753106256, "min_gradient_pct": -1.1643804725781592 }, { "window_m": 10.0, "max_gradient_pct": 27.525813822635996, "diagnostic": false, "flags": [], "start_distance_m": 226.0, "end_distance_m": 236.0, "start_elevation_m": 288.8477275586743, "end_elevation_m": 291.6003089409379, "min_gradient_pct": -0.47022269438343756 }, { "window_m": 20.0, "max_gradient_pct": 26.593064366970793, "diagnostic": false, "flags": [], "start_distance_m": 221.0, "end_distance_m": 241.0, "start_elevation_m": 287.5842594294956, "end_elevation_m": 292.90287230288976, "min_gradient_pct": 0.08451677582542061 }, { "window_m": 25.0, "max_gradient_pct": 26.352843878531758, "diagnostic": false, "flags": [], "start_distance_m": 226.0, "end_distance_m": 251.0, "start_elevation_m": 288.8477275586743, "end_elevation_m": 295.43593852830725, "min_gradient_pct": 0.3331524547324989 }, { "window_m": 50.0, "max_gradient_pct": 25.41755776393518, "diagnostic": false, "flags": [], "start_distance_m": 212.0, "end_distance_m": 262.0, "start_elevation_m": 285.50726836904806, "end_elevation_m": 298.21604725101565, "min_gradient_pct": 3.479966635331948 }, { "window_m": 100.0, "max_gradient_pct": 22.511828671331614, "diagnostic": false, "flags": [], "start_distance_m": 204.0, "end_distance_m": 304.0, "start_elevation_m": 283.72974577760453, "end_elevation_m": 306.24157444893615, "min_gradient_pct": 6.573946165185646 } ], "shape": { "ascent_concentration": 0.364, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 261.0, "shape_class": "sustained" }, "length_m": 408.3687418817951, "start_elevation_m": 265.08899572753046, "end_elevation_m": 327.9820838183728, "endpoint_gain_m": 62.893088090842355, "overall_gradient_pct": 15.401053420745695, "accumulated_ascent_m": 63.08271437240495, "window_maxima": { "max_5m": { "gradient_pct": 28.414999447765013, "start_distance_m": 226.0, "end_distance_m": 231.0, "midpoint_distance_m": 228.5, "start_elevation_m": 288.8477275586743, "end_elevation_m": 290.26847753106256, "start_xy": [ 900107.7935774851, 6630376.500625631 ], "end_xy": [ 900104.3123697514, 6630372.912647936 ] }, "max_10m": { "gradient_pct": 27.525813822635996, "start_distance_m": 226.0, "end_distance_m": 236.0, "midpoint_distance_m": 231.0, "start_elevation_m": 288.8477275586743, "end_elevation_m": 291.6003089409379, "start_xy": [ 900107.7935774851, 6630376.500625631 ], "end_xy": [ 900100.8477802591, 6630369.307565461 ] }, "max_20m": { "gradient_pct": 26.593064366970793, "start_distance_m": 221.0, "end_distance_m": 241.0, "midpoint_distance_m": 231.0, "start_elevation_m": 287.5842594294956, "end_elevation_m": 292.90287230288976, "start_xy": [ 900111.4971093963, 6630379.859770073 ], "end_xy": [ 900097.3831907668, 6630365.702482986 ] }, "max_25m": { "gradient_pct": 26.352843878531758, "start_distance_m": 226.0, "end_distance_m": 251.0, "midpoint_distance_m": 238.5, "start_elevation_m": 288.8477275586743, "end_elevation_m": 295.43593852830725, "start_xy": [ 900107.7935774851, 6630376.500625631 ], "end_xy": [ 900091.2327340526, 6630357.856652421 ] }, "max_50m": { "gradient_pct": 25.41755776393518, "start_distance_m": 212.0, "end_distance_m": 262.0, "midpoint_distance_m": 237.0, "start_elevation_m": 285.50726836904806, "end_elevation_m": 298.21604725101565, "start_xy": [ 900118.1634668364, 6630385.906230068 ], "end_xy": [ 900085.174539628, 6630348.680774668 ] }, "max_100m": { "gradient_pct": 22.511828671331614, "start_distance_m": 204.0, "end_distance_m": 304.0, "midpoint_distance_m": 254.0, "start_elevation_m": 283.72974577760453, "end_elevation_m": 306.24157444893615, "start_xy": [ 900123.8019127812, 6630391.546346253 ], "end_xy": [ 900063.51466056, 6630312.696755455 ] } }, "window_minima": { "min_5m": { "gradient_pct": -1.1643804725781592, "start_distance_m": 124.0, "end_distance_m": 129.0, "midpoint_distance_m": 126.5, "start_elevation_m": 274.86596006749744, "end_elevation_m": 274.80774104386853, "start_xy": [ 900181.0879822116, 6630435.551476293 ], "end_xy": [ 900176.0881270276, 6630435.5895307185 ] }, "min_10m": { "gradient_pct": -0.47022269438343756, "start_distance_m": 118.0, "end_distance_m": 128.0, "midpoint_distance_m": 123.0, "start_elevation_m": 274.857963762994, "end_elevation_m": 274.8109414935557, "start_xy": [ 900187.0878084324, 6630435.505810982 ], "end_xy": [ 900177.0880980644, 6630435.581919833 ] }, "min_20m": { "gradient_pct": 0.08451677582542061, "start_distance_m": 116.0, "end_distance_m": 136.0, "midpoint_distance_m": 126.0, "start_elevation_m": 274.84891329410874, "end_elevation_m": 274.8658166492738, "start_xy": [ 900189.087750506, 6630435.490589212 ], "end_xy": [ 900169.0883297701, 6630435.642806915 ] }, "min_25m": { "gradient_pct": 0.3331524547324989, "start_distance_m": 119.0, "end_distance_m": 144.0, "midpoint_distance_m": 131.5, "start_elevation_m": 274.84680951062376, "end_elevation_m": 274.9300976243069, "start_xy": [ 900186.0878373956, 6630435.513421867 ], "end_xy": [ 900161.0983878449, 6630435.518116659 ] }, "min_50m": { "gradient_pct": 3.479966635331948, "start_distance_m": 103.0, "end_distance_m": 153.0, "midpoint_distance_m": 128.0, "start_elevation_m": 273.8579115244164, "end_elevation_m": 275.5978948420824, "start_xy": [ 900202.0495009392, 6630434.623152865 ], "end_xy": [ 900152.6536400893, 6630433.369656878 ] }, "min_100m": { "gradient_pct": 6.573946165185646, "start_distance_m": 53.0, "end_distance_m": 153.0, "midpoint_distance_m": 103.0, "start_elevation_m": 269.02394867689674, "end_elevation_m": 275.5978948420824, "start_xy": [ 900250.4588549607, 6630422.27639464 ], "end_xy": [ 900152.6536400893, 6630433.369656878 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 31.093620534019806, "start_distance_m": 226.0, "end_distance_m": 228.0, "midpoint_distance_m": 227.0, "start_elevation_m": 288.8477275586743, "end_elevation_m": 289.4695999693547, "start_xy": [ 900107.7935774851, 6630376.500625631 ], "end_xy": [ 900106.3911234468, 6630375.075697421 ] }, "max_3m": { "gradient_pct": 29.177183648177635, "start_distance_m": 226.0, "end_distance_m": 229.0, "midpoint_distance_m": 227.5, "start_elevation_m": 288.8477275586743, "end_elevation_m": 289.72304306811964, "start_xy": [ 900107.7935774851, 6630376.500625631 ], "end_xy": [ 900105.6982055483, 6630374.354680926 ] } }, "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": 0.105, "obstruction_max_height_m": 13.17, "flagged_windows_m": [ 2, 3, 5 ] }, "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "c4fd6b4a89a9718922c7ed8acdf14e43dcf75a33", "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-ju2", "road_pbf": "block-batch-fr-ju2.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": "sha256:79fd787249c9f7bb" }, "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_E899-N6630_0m5@22LHD2PJ-2025-07-21.tif", "data/cache/fr/ign-lidarhd_dtm_E900-N6630_0m5@22LHD2PJ-2025-07-21.tif" ], "calculated_at": "2026-09-24T14:31:55+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-ju2.osm.pbf", "osm_snapshot": "", "run_id": "fr-ju2", "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": [ "E899-N6630", "E900-N6630" ], "elevation_blocks": [ "22LHD2PJ@2025-07-21" ], "ign_dalles": [ "LHD_FXX_0899_6631_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0900_6631_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD2PJ" ], "ign_editions": [ "2025-07-21" ], "ign_dsm_edition": { "LHD_FXX_0899_6631_MNT_O_0M50_LAMB93_IGN69": "2025-07-21", "LHD_FXX_0900_6631_MNT_O_0M50_LAMB93_IGN69": "2025-07-21" }, "climb_origin": "discovered", "structure_own_ways": 2, "carriageway": { "stations": 23, "stations_resolved": 23, "width_median_m": 5.0, "width_p10_m": 4.25, "width_min_m": 1.25, "width_max_m": 8.75, "bounded_share": 0.304, "unbounded_share": 0.696, "confidence_median": 0.0, "width_median_bounded_m": 5.0, "window_m": [ 226.0, 251.0 ], "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": 23, "stations_resolved": 23, "width_median_m": 5.75, "width_p10_m": 0.55, "width_min_m": 0.0, "width_max_m": 11.5, "bounded_share": 0.826, "unbounded_share": 0.174, "confidence_median": 1.0, "width_median_bounded_m": 4.25, "window_m": [ 226.0, 251.0 ], "width_at_max25_m": 5.75, "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": "Nevy-sur-Seille", "county": "Jura", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }