{ "ocl_version": "0.1.0", "name": "Discovered lane (48.1925, 7.1876)", "slug": "discovered-lane-48-1925-7-1876", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 29.575512674654192, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 2166.0, "end_distance_m": 2168.0, "start_elevation_m": 849.7908086558031, "end_elevation_m": 850.3823189092961, "min_gradient_pct": -11.525647771691183 }, { "window_m": 3.0, "max_gradient_pct": 26.631947360408503, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 1762.0, "end_distance_m": 1765.0, "start_elevation_m": 789.6832647105815, "end_elevation_m": 790.4822231313938, "min_gradient_pct": -6.696475984646592 }, { "window_m": 5.0, "max_gradient_pct": 25.125484946188408, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1761.0, "end_distance_m": 1766.0, "start_elevation_m": 789.442709246543, "end_elevation_m": 790.6989834938524, "min_gradient_pct": 0.27465952291095164 }, { "window_m": 10.0, "max_gradient_pct": 23.873931788812115, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1761.0, "end_distance_m": 1771.0, "start_elevation_m": 789.442709246543, "end_elevation_m": 791.8301024254242, "min_gradient_pct": 3.322812019836192 }, { "window_m": 20.0, "max_gradient_pct": 22.900425209918467, "diagnostic": false, "flags": [], "start_distance_m": 1916.0, "end_distance_m": 1936.0, "start_elevation_m": 814.8282314191428, "end_elevation_m": 819.4083164611264, "min_gradient_pct": 3.5217590194866943 }, { "window_m": 25.0, "max_gradient_pct": 22.599893749502826, "diagnostic": false, "flags": [], "start_distance_m": 1914.0, "end_distance_m": 1939.0, "start_elevation_m": 814.4071116782736, "end_elevation_m": 820.0570851156493, "min_gradient_pct": 3.516527261376723 }, { "window_m": 50.0, "max_gradient_pct": 21.083589059385304, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1755.0, "end_distance_m": 1805.0, "start_elevation_m": 788.1586360474128, "end_elevation_m": 798.7004305771054, "min_gradient_pct": 3.7143487571729565 }, { "window_m": 100.0, "max_gradient_pct": 18.718594509326294, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1721.0, "end_distance_m": 1821.0, "start_elevation_m": 783.0249962754713, "end_elevation_m": 801.7435907847976, "min_gradient_pct": 4.496860555321291 } ], "shape": { "ascent_concentration": 0.292, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 487.0, "shape_class": "sustained" }, "length_m": 2543.751731356478, "start_elevation_m": 591.6116572265428, "end_elevation_m": 892.9508522363066, "endpoint_gain_m": 301.3391950097638, "overall_gradient_pct": 11.846250217550594, "accumulated_ascent_m": 302.15228186654235, "window_maxima": { "max_5m": { "gradient_pct": 25.125484946188408, "start_distance_m": 1761.0, "end_distance_m": 1766.0, "midpoint_distance_m": 1763.5, "start_elevation_m": 789.442709246543, "end_elevation_m": 790.6989834938524, "start_xy": [ 1010953.3605734841, 6796030.616167172 ], "end_xy": [ 1010958.3012176495, 6796031.38430468 ] }, "max_10m": { "gradient_pct": 23.873931788812115, "start_distance_m": 1761.0, "end_distance_m": 1771.0, "midpoint_distance_m": 1766.0, "start_elevation_m": 789.442709246543, "end_elevation_m": 791.8301024254242, "start_xy": [ 1010953.3605734841, 6796030.616167172 ], "end_xy": [ 1010963.2418618149, 6796032.152442188 ] }, "max_20m": { "gradient_pct": 22.900425209918467, "start_distance_m": 1916.0, "end_distance_m": 1936.0, "midpoint_distance_m": 1926.0, "start_elevation_m": 814.8282314191428, "end_elevation_m": 819.4083164611264, "start_xy": [ 1011087.231241261, 6796099.361934741 ], "end_xy": [ 1011096.2433205413, 6796117.216413928 ] }, "max_25m": { "gradient_pct": 22.599893749502826, "start_distance_m": 1914.0, "end_distance_m": 1939.0, "midpoint_distance_m": 1926.5, "start_elevation_m": 814.4071116782736, "end_elevation_m": 820.0570851156493, "start_xy": [ 1011086.3300333329, 6796097.576486822 ], "end_xy": [ 1011097.5951324333, 6796119.894585806 ] }, "max_50m": { "gradient_pct": 21.083589059385304, "start_distance_m": 1755.0, "end_distance_m": 1805.0, "midpoint_distance_m": 1780.0, "start_elevation_m": 788.1586360474128, "end_elevation_m": 798.7004305771054, "start_xy": [ 1010947.4869825669, 6796031.282112881 ], "end_xy": [ 1010995.2109047476, 6796043.544338692 ] }, "max_100m": { "gradient_pct": 18.718594509326294, "start_distance_m": 1721.0, "end_distance_m": 1821.0, "midpoint_distance_m": 1771.0, "start_elevation_m": 783.0249962754713, "end_elevation_m": 801.7435907847976, "start_xy": [ 1010926.4707304625, 6796023.0431404915 ], "end_xy": [ 1011009.9599775802, 6796049.746342448 ] } }, "window_minima": { "min_5m": { "gradient_pct": 0.27465952291095164, "start_distance_m": 382.0, "end_distance_m": 387.0, "midpoint_distance_m": 384.5, "start_elevation_m": 637.2889480489205, "end_elevation_m": 637.302681025066, "start_xy": [ 1010700.2581881349, 6795630.053862729 ], "end_xy": [ 1010704.37707749, 6795632.888426272 ] }, "min_10m": { "gradient_pct": 3.322812019836192, "start_distance_m": 1108.0, "end_distance_m": 1118.0, "midpoint_distance_m": 1113.0, "start_elevation_m": 722.0149148129171, "end_elevation_m": 722.3471960149008, "start_xy": [ 1011124.2545376015, 6795623.502161025 ], "end_xy": [ 1011119.0940274473, 6795632.067739519 ] }, "min_20m": { "gradient_pct": 3.5217590194866943, "start_distance_m": 1115.0, "end_distance_m": 1135.0, "midpoint_distance_m": 1125.0, "start_elevation_m": 722.2520412509057, "end_elevation_m": 722.956393054803, "start_xy": [ 1011120.6421804936, 6795629.498065971 ], "end_xy": [ 1011111.0837615384, 6795647.038138181 ] }, "min_25m": { "gradient_pct": 3.516527261376723, "start_distance_m": 1110.0, "end_distance_m": 1135.0, "midpoint_distance_m": 1122.5, "start_elevation_m": 722.0772612394588, "end_elevation_m": 722.956393054803, "start_xy": [ 1011123.2224355707, 6795625.215276724 ], "end_xy": [ 1011111.0837615384, 6795647.038138181 ] }, "min_50m": { "gradient_pct": 3.7143487571729565, "start_distance_m": 1108.0, "end_distance_m": 1158.0, "midpoint_distance_m": 1133.0, "start_elevation_m": 722.0149148129171, "end_elevation_m": 723.8720891915036, "start_xy": [ 1011124.2545376015, 6795623.502161025 ], "end_xy": [ 1011101.7590765799, 6795668.059293415 ] }, "min_100m": { "gradient_pct": 4.496860555321291, "start_distance_m": 1070.0, "end_distance_m": 1170.0, "midpoint_distance_m": 1120.0, "start_elevation_m": 719.9078397268562, "end_elevation_m": 724.4047002821775, "start_xy": [ 1011139.660317129, 6795589.26037645 ], "end_xy": [ 1011097.0293419185, 6795679.087874921 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 29.575512674654192, "start_distance_m": 2166.0, "end_distance_m": 2168.0, "midpoint_distance_m": 2167.0, "start_elevation_m": 849.7908086558031, "end_elevation_m": 850.3823189092961, "start_xy": [ 1011172.1338497527, 6796298.746547803 ], "end_xy": [ 1011172.10217435, 6796300.734192612 ] }, "max_3m": { "gradient_pct": 26.631947360408503, "start_distance_m": 1762.0, "end_distance_m": 1765.0, "midpoint_distance_m": 1763.5, "start_elevation_m": 789.6832647105815, "end_elevation_m": 790.4822231313938, "start_xy": [ 1010954.3487023172, 6796030.769794674 ], "end_xy": [ 1010957.3130888165, 6796031.230677179 ] } }, "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": 0.262, "obstruction_max_height_m": 32.1, "flagged_windows_m": [ 2, 3, 5, 10, 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": "686aca469eafb5c6deda431acc2396d659a613ab", "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-vosges", "road_pbf": "block-batch-fr-vosges.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": "sha256:3827be8f439ab5f4" }, "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_E1010-N6795_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1010-N6796_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1011-N6795_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1011-N6796_0m5@22LHDVosgesRF-2024-12-20.tif" ], "calculated_at": "2026-09-19T23:15:14+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-vosges.osm.pbf", "osm_snapshot": "", "run_id": "fr-vosges", "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": [ "E1010-N6795", "E1010-N6796", "E1011-N6795", "E1011-N6796" ], "elevation_blocks": [ "22LHDVosgesRF@2024-12-20" ], "ign_dalles": [ "LHD_FXX_1010_6796_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1010_6797_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1011_6796_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1011_6797_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHDVosgesRF" ], "ign_editions": [ "2024-12-20" ], "ign_dsm_edition": { "LHD_FXX_1010_6796_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1010_6797_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1011_6796_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1011_6797_MNT_O_0M50_LAMB93_IGN69": "2024-12-20" }, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked", "carriageway": { "stations": 108, "stations_resolved": 108, "width_median_m": 4.5, "width_p10_m": 2.75, "width_min_m": 1.0, "width_max_m": 9.75, "bounded_share": 0.657, "unbounded_share": 0.343, "confidence_median": 0.619, "width_median_bounded_m": 4.5, "window_m": [ 1914.0, 1939.0 ], "width_at_max25_m": 6.0, "window_stations": 7, "single_track": true, "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": 108, "stations_resolved": 108, "width_median_m": 3.75, "width_p10_m": 0.75, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.852, "unbounded_share": 0.148, "confidence_median": 1.0, "width_median_bounded_m": 3.12, "window_m": [ 1914.0, 1939.0 ], "width_at_max25_m": 5.0, "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": "Fr\u00e9land", "county": "Haut-Rhin", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }