{ "ocl_version": "0.1.0", "name": "Discovered lane (42.5312, 9.0195)", "slug": "discovered-lane-42-5312-9-0195", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 24.866692556446424, "diagnostic": true, "flags": [], "start_distance_m": 126.0, "end_distance_m": 128.0, "start_elevation_m": 859.8392240141239, "end_elevation_m": 860.3365578652529, "min_gradient_pct": -1.095061781984441 }, { "window_m": 3.0, "max_gradient_pct": 24.814945189105703, "diagnostic": true, "flags": [], "start_distance_m": 126.0, "end_distance_m": 129.0, "start_elevation_m": 859.8392240141239, "end_elevation_m": 860.5836723697971, "min_gradient_pct": -0.935623199075053 }, { "window_m": 5.0, "max_gradient_pct": 24.54657806143132, "diagnostic": false, "flags": [], "start_distance_m": 124.0, "end_distance_m": 129.0, "start_elevation_m": 859.3563434667255, "end_elevation_m": 860.5836723697971, "min_gradient_pct": 0.25267010690640745 }, { "window_m": 10.0, "max_gradient_pct": 23.809320048283098, "diagnostic": false, "flags": [], "start_distance_m": 120.0, "end_distance_m": 130.0, "start_elevation_m": 858.4307147521934, "end_elevation_m": 860.8116467570217, "min_gradient_pct": 1.2148096711223388 }, { "window_m": 20.0, "max_gradient_pct": 22.95973112269394, "diagnostic": false, "flags": [], "start_distance_m": 114.0, "end_distance_m": 134.0, "start_elevation_m": 857.110549242259, "end_elevation_m": 861.7024954667978, "min_gradient_pct": 1.9056075165497077 }, { "window_m": 25.0, "max_gradient_pct": 22.252711886901125, "diagnostic": false, "flags": [], "start_distance_m": 108.0, "end_distance_m": 133.0, "start_elevation_m": 855.936497467562, "end_elevation_m": 861.4996754392873, "min_gradient_pct": 1.8707027294367435 }, { "window_m": 50.0, "max_gradient_pct": 19.36927517926688, "diagnostic": false, "flags": [], "start_distance_m": 86.0, "end_distance_m": 136.0, "start_elevation_m": 852.3528352894464, "end_elevation_m": 862.0374728790798, "min_gradient_pct": 2.42040856400763 }, { "window_m": 100.0, "max_gradient_pct": 15.599285846031421, "diagnostic": false, "flags": [ "structure_excluded_min" ], "start_distance_m": 84.0, "end_distance_m": 184.0, "start_elevation_m": 852.0502908494935, "end_elevation_m": 867.649576695525, "min_gradient_pct": 8.550185538237429, "suppressed_min_gradient_pct": 4.890806697622224, "suppressed_min_location_m": [ 0.0, 100.0 ] } ], "shape": { "ascent_concentration": 0.334, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 208.0, "shape_class": "sustained" }, "length_m": 427.12828802979294, "start_elevation_m": 849.6224350671365, "end_elevation_m": 899.2585103032202, "endpoint_gain_m": 49.636075236083684, "overall_gradient_pct": 11.620882209660973, "accumulated_ascent_m": 49.77697049459994, "window_maxima": { "max_5m": { "gradient_pct": 24.54657806143132, "start_distance_m": 124.0, "end_distance_m": 129.0, "midpoint_distance_m": 126.5, "start_elevation_m": 859.3563434667255, "end_elevation_m": 860.5836723697971, "start_xy": [ 1194721.8578632856, 6177816.169883644 ], "end_xy": [ 1194722.5563814526, 6177821.120850456 ] }, "max_10m": { "gradient_pct": 23.809320048283098, "start_distance_m": 120.0, "end_distance_m": 130.0, "midpoint_distance_m": 125.0, "start_elevation_m": 858.4307147521934, "end_elevation_m": 860.8116467570217, "start_xy": [ 1194721.2990487518, 6177812.209110195 ], "end_xy": [ 1194722.696085086, 6177822.111043818 ] }, "max_20m": { "gradient_pct": 22.95973112269394, "start_distance_m": 114.0, "end_distance_m": 134.0, "midpoint_distance_m": 124.0, "start_elevation_m": 857.110549242259, "end_elevation_m": 861.7024954667978, "start_xy": [ 1194720.4608269513, 6177806.267950021 ], "end_xy": [ 1194722.9336964637, 6177826.082586411 ] }, "max_25m": { "gradient_pct": 22.252711886901125, "start_distance_m": 108.0, "end_distance_m": 133.0, "midpoint_distance_m": 120.5, "start_elevation_m": 855.936497467562, "end_elevation_m": 861.4996754392873, "start_xy": [ 1194719.6226051506, 6177800.326789847 ], "end_xy": [ 1194723.0067634746, 6177825.085259378 ] }, "max_50m": { "gradient_pct": 19.36927517926688, "start_distance_m": 86.0, "end_distance_m": 136.0, "midpoint_distance_m": 111.0, "start_elevation_m": 852.3528352894464, "end_elevation_m": 862.0374728790798, "start_xy": [ 1194717.4119044198, 6177778.468049044 ], "end_xy": [ 1194722.7875624422, 6177828.077240478 ] }, "max_100m": { "gradient_pct": 15.599285846031421, "start_distance_m": 84.0, "end_distance_m": 184.0, "midpoint_distance_m": 134.0, "start_elevation_m": 852.0502908494935, "end_elevation_m": 867.649576695525, "start_xy": [ 1194717.3477594152, 6177776.469077954 ], "end_xy": [ 1194751.7932116878, 6177802.8665560335 ] } }, "window_minima": { "min_5m": { "gradient_pct": 0.25267010690640745, "start_distance_m": 201.0, "end_distance_m": 206.0, "midpoint_distance_m": 203.5, "start_elevation_m": 869.7104598922442, "end_elevation_m": 869.7230933975895, "start_xy": [ 1194766.31125921, 6177794.02199295 ], "end_xy": [ 1194766.3144233627, 6177797.523484296 ] }, "min_10m": { "gradient_pct": 1.2148096711223388, "start_distance_m": 68.0, "end_distance_m": 78.0, "midpoint_distance_m": 73.0, "start_elevation_m": 851.4549115455746, "end_elevation_m": 851.5763925126869, "start_xy": [ 1194710.736240089, 6177776.107081177 ], "end_xy": [ 1194715.1206357242, 6177771.181459985 ] }, "min_20m": { "gradient_pct": 1.9056075165497077, "start_distance_m": 58.0, "end_distance_m": 78.0, "midpoint_distance_m": 68.0, "start_elevation_m": 851.1952710093769, "end_elevation_m": 851.5763925126869, "start_xy": [ 1194706.8754597267, 6177785.331742417 ], "end_xy": [ 1194715.1206357242, 6177771.181459985 ] }, "min_25m": { "gradient_pct": 1.8707027294367435, "start_distance_m": 54.0, "end_distance_m": 79.0, "midpoint_distance_m": 66.5, "start_elevation_m": 851.148922841222, "end_elevation_m": 851.6165985235812, "start_xy": [ 1194705.3311475818, 6177789.021606913 ], "end_xy": [ 1194715.7168510354, 6177771.984284562 ] }, "min_50m": { "gradient_pct": 2.42040856400763, "start_distance_m": 28.0, "end_distance_m": 78.0, "midpoint_distance_m": 53.0, "start_elevation_m": 850.3661882306831, "end_elevation_m": 851.5763925126869, "start_xy": [ 1194695.2931186398, 6177813.005726137 ], "end_xy": [ 1194715.1206357242, 6177771.181459985 ] }, "min_100m": { "gradient_pct": 8.550185538237429, "start_distance_m": 21.0, "end_distance_m": 121.0, "midpoint_distance_m": 71.0, "start_elevation_m": 850.135236272879, "end_elevation_m": 858.6854218111164, "start_xy": [ 1194692.607765576, 6177819.470018642 ], "end_xy": [ 1194721.4387523853, 6177813.199303557 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 24.866692556446424, "start_distance_m": 126.0, "end_distance_m": 128.0, "midpoint_distance_m": 127.0, "start_elevation_m": 859.8392240141239, "end_elevation_m": 860.3365578652529, "start_xy": [ 1194722.1372705523, 6177818.150270369 ], "end_xy": [ 1194722.416677819, 6177820.130657094 ] }, "max_3m": { "gradient_pct": 24.814945189105703, "start_distance_m": 126.0, "end_distance_m": 129.0, "midpoint_distance_m": 127.5, "start_elevation_m": 859.8392240141239, "end_elevation_m": 860.5836723697971, "start_xy": [ 1194722.1372705523, 6177818.150270369 ], "end_xy": [ 1194722.5563814526, 6177821.120850456 ] } }, "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": 0.049, "windows_resited": [], "windows_unresolved": [], "minima_resited": [ 100.0 ], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.175, "obstruction_max_height_m": 11.15, "flagged_windows_m": [] }, "excluded_ranges_m": [ [ 0.0, 20.0 ] ], "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "33abfff569d4360542e616d0d42c1b94d0a711fa", "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-co2", "road_pbf": "block-batch-fr-co2.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": "sha256:2a717d675f2607cc" }, "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_E1194-N6177_0m5@21LHDCorseUS-2025-04-02.tif", "data/cache/fr/ign-lidarhd_dtm_E1194-N6178_0m5@21LHDCorseUS-2025-04-02.tif" ], "calculated_at": "2026-09-25T00:44:08+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-co2.osm.pbf", "osm_snapshot": "", "run_id": "fr-co2", "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": [ "E1194-N6177", "E1194-N6178" ], "elevation_blocks": [ "21LHDCorseUS@2025-04-02" ], "ign_dalles": [ "LHD_FXX_1194_6178_MNT_O_0M50_LAMB93_IGN78", "LHD_FXX_1194_6179_MNT_O_0M50_LAMB93_IGN78" ], "ign_missions": [ "21LHDCorseUS" ], "ign_editions": [ "2025-04-02" ], "ign_dsm_edition": { "LHD_FXX_1194_6178_MNT_O_0M50_LAMB93_IGN78": "2025-04-02", "LHD_FXX_1194_6179_MNT_O_0M50_LAMB93_IGN78": "2025-04-02" }, "climb_origin": "discovered", "structure_own_ways": 4, "structure_mask_ranges_m": [ [ 0.0, 15.0 ] ], "carriageway": { "stations": 24, "stations_resolved": 24, "width_median_m": 4.25, "width_p10_m": 3.0, "width_min_m": 2.5, "width_max_m": 9.75, "bounded_share": 0.583, "unbounded_share": 0.417, "confidence_median": 0.604, "width_median_bounded_m": 3.88, "window_m": [ 108.0, 133.0 ], "width_at_max25_m": 3.25, "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": 4.38, "width_p10_m": 2.08, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.917, "unbounded_share": 0.083, "confidence_median": 1.0, "width_median_bounded_m": 4.25, "window_m": [ 108.0, 133.0 ], "width_at_max25_m": 5.5, "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": "Olmi-Cappella", "county": "Haute-Corse", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }