{ "ocl_version": "0.1.0", "name": "Traverse de Presles", "slug": "traverse-de-presles", "confidence": "U", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 41.45285164501047, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 284.0, "end_distance_m": 286.0, "start_elevation_m": 575.2433628464953, "end_elevation_m": 576.0724198793955, "min_gradient_pct": -6.974352417751106 }, { "window_m": 3.0, "max_gradient_pct": 39.392625700687255, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 284.0, "end_distance_m": 287.0, "start_elevation_m": 575.2433628464953, "end_elevation_m": 576.4251416175159, "min_gradient_pct": -3.0983756407295004 }, { "window_m": 5.0, "max_gradient_pct": 34.53252630747102, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 283.0, "end_distance_m": 288.0, "start_elevation_m": 574.9645807710469, "end_elevation_m": 576.6912070864205, "min_gradient_pct": -1.7434109306600476 }, { "window_m": 10.0, "max_gradient_pct": 25.826979029893664, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 283.0, "end_distance_m": 293.0, "start_elevation_m": 574.9645807710469, "end_elevation_m": 577.5472786740363, "min_gradient_pct": -0.5796451703474759 }, { "window_m": 20.0, "max_gradient_pct": 23.287686178545073, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 283.0, "end_distance_m": 303.0, "start_elevation_m": 574.9645807710469, "end_elevation_m": 579.622118006756, "min_gradient_pct": 0.015907240082242424 }, { "window_m": 25.0, "max_gradient_pct": 21.860844595558774, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 276.0, "end_distance_m": 301.0, "start_elevation_m": 573.8485355953512, "end_elevation_m": 579.3137467442409, "min_gradient_pct": 0.2663137821887176 }, { "window_m": 50.0, "max_gradient_pct": 19.05975683048223, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 252.0, "end_distance_m": 302.0, "start_elevation_m": 569.936237954882, "end_elevation_m": 579.4661163701231, "min_gradient_pct": 1.0584965299140094 }, { "window_m": 100.0, "max_gradient_pct": 15.77118761926181, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 242.0, "end_distance_m": 342.0, "start_elevation_m": 568.5220628554916, "end_elevation_m": 584.2932504747534, "min_gradient_pct": 1.555324308689137 } ], "shape": { "ascent_concentration": 0.514, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 89.0, "shape_class": "stepped" }, "length_m": 487.5409302350177, "start_elevation_m": 554.1504956201155, "end_elevation_m": 588.0210253124967, "endpoint_gain_m": 33.87052969238118, "overall_gradient_pct": 6.947217677919676, "accumulated_ascent_m": 34.76844831081962, "window_maxima": { "max_5m": { "gradient_pct": 34.53252630747102, "start_distance_m": 283.0, "end_distance_m": 288.0, "midpoint_distance_m": 285.5, "start_elevation_m": 574.9645807710469, "end_elevation_m": 576.6912070864205, "start_xy": [ 985157.7672225537, 6756970.528844185 ], "end_xy": [ 985159.5336424087, 6756965.851263518 ] }, "max_10m": { "gradient_pct": 25.826979029893664, "start_distance_m": 283.0, "end_distance_m": 293.0, "midpoint_distance_m": 288.0, "start_elevation_m": 574.9645807710469, "end_elevation_m": 577.5472786740363, "start_xy": [ 985157.7672225537, 6756970.528844185 ], "end_xy": [ 985161.3000622636, 6756961.173682852 ] }, "max_20m": { "gradient_pct": 23.287686178545073, "start_distance_m": 283.0, "end_distance_m": 303.0, "midpoint_distance_m": 293.0, "start_elevation_m": 574.9645807710469, "end_elevation_m": 579.622118006756, "start_xy": [ 985157.7672225537, 6756970.528844185 ], "end_xy": [ 985164.8329019736, 6756951.818521517 ] }, "max_25m": { "gradient_pct": 21.860844595558774, "start_distance_m": 276.0, "end_distance_m": 301.0, "midpoint_distance_m": 288.5, "start_elevation_m": 573.8485355953512, "end_elevation_m": 579.3137467442409, "start_xy": [ 985155.2942347567, 6756977.077457119 ], "end_xy": [ 985164.1263340316, 6756953.689553784 ] }, "max_50m": { "gradient_pct": 19.05975683048223, "start_distance_m": 252.0, "end_distance_m": 302.0, "midpoint_distance_m": 277.0, "start_elevation_m": 569.936237954882, "end_elevation_m": 579.4661163701231, "start_xy": [ 985146.9003246234, 6756999.561618839 ], "end_xy": [ 985164.4796180025, 6756952.754037651 ] }, "max_100m": { "gradient_pct": 15.77118761926181, "start_distance_m": 242.0, "end_distance_m": 342.0, "midpoint_distance_m": 292.0, "start_elevation_m": 568.5220628554916, "end_elevation_m": 584.2932504747534, "start_xy": [ 985143.4232847206, 6757008.937662436 ], "end_xy": [ 985175.1633646799, 6756914.338547614 ] } }, "window_minima": { "min_5m": { "gradient_pct": -1.7434109306600476, "start_distance_m": 382.0, "end_distance_m": 387.0, "midpoint_distance_m": 384.5, "start_elevation_m": 585.8422793874081, "end_elevation_m": 585.7551088408751, "start_xy": [ 985174.371426409, 6756874.653557256 ], "end_xy": [ 985173.6255737881, 6756869.709499826 ] }, "min_10m": { "gradient_pct": -0.5796451703474759, "start_distance_m": 380.0, "end_distance_m": 390.0, "midpoint_distance_m": 385.0, "start_elevation_m": 585.8635340027101, "end_elevation_m": 585.8055694856754, "start_xy": [ 985174.6697674574, 6756876.631180228 ], "end_xy": [ 985173.1780622156, 6756866.743065368 ] }, "min_20m": { "gradient_pct": 0.015907240082242424, "start_distance_m": 157.0, "end_distance_m": 177.0, "midpoint_distance_m": 167.0, "start_elevation_m": 565.0303212285137, "end_elevation_m": 565.0335026765301, "start_xy": [ 985162.1316705476, 6757087.637765775 ], "end_xy": [ 985153.4673813484, 6757069.611948382 ] }, "min_25m": { "gradient_pct": 0.2663137821887176, "start_distance_m": 154.0, "end_distance_m": 179.0, "midpoint_distance_m": 166.5, "start_elevation_m": 564.9930761912528, "end_elevation_m": 565.0596546368, "start_xy": [ 985163.4313139275, 6757090.341638383 ], "end_xy": [ 985152.6009524285, 6757067.809366643 ] }, "min_50m": { "gradient_pct": 1.0584965299140094, "start_distance_m": 380.0, "end_distance_m": 430.0, "midpoint_distance_m": 405.0, "start_elevation_m": 585.8635340027101, "end_elevation_m": 586.3927822676671, "start_xy": [ 985174.6697674574, 6756876.631180228 ], "end_xy": [ 985166.5734999897, 6756827.294280337 ] }, "min_100m": { "gradient_pct": 1.555324308689137, "start_distance_m": 374.0, "end_distance_m": 474.0, "midpoint_distance_m": 424.0, "start_elevation_m": 585.7183357860539, "end_elevation_m": 587.273660094743, "start_xy": [ 985175.5647906024, 6756882.564049143 ], "end_xy": [ 985163.1412758426, 6756783.501986438 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 41.45285164501047, "start_distance_m": 284.0, "end_distance_m": 286.0, "midpoint_distance_m": 285.0, "start_elevation_m": 575.2433628464953, "end_elevation_m": 576.0724198793955, "start_xy": [ 985158.1205065247, 6756969.593328052 ], "end_xy": [ 985158.8270744667, 6756967.722295785 ] }, "max_3m": { "gradient_pct": 39.392625700687255, "start_distance_m": 284.0, "end_distance_m": 287.0, "midpoint_distance_m": 285.5, "start_elevation_m": 575.2433628464953, "end_elevation_m": 576.4251416175159, "start_xy": [ 985158.1205065247, 6756969.593328052 ], "end_xy": [ 985159.1803584377, 6756966.786779652 ] } }, "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": 0.17, "obstruction_max_height_m": 24.34, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25, 50, 100 ] }, "review": [ "short_window_divergence" ], "extent": [] }, "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_E985-N6756_0m5@22LHDZIServance-2025-02-21.tif", "data/cache/fr/ign-lidarhd_dtm_E985-N6757_0m5@22LHDVosgesQG-2025-02-21.tif" ], "calculated_at": "2026-09-19T23:21:07+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": [ "E985-N6756", "E985-N6757" ], "elevation_blocks": [ "22LHDVosgesQG@2025-02-21", "22LHDZIServance@2025-02-21" ], "ign_dalles": [ "LHD_FXX_0985_6757_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0985_6758_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHDVosgesQG", "22LHDZIServance" ], "ign_editions": [ "2025-02-21" ], "ign_dsm_edition": { "LHD_FXX_0985_6757_MNT_O_0M50_LAMB93_IGN69": "2025-02-21", "LHD_FXX_0985_6758_MNT_O_0M50_LAMB93_IGN69": "2025-02-21" }, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked", "carriageway": { "stations": 26, "stations_resolved": 26, "width_median_m": 3.5, "width_p10_m": 2.12, "width_min_m": 1.75, "width_max_m": 11.25, "bounded_share": 0.423, "unbounded_share": 0.577, "confidence_median": 0.0, "width_median_bounded_m": 3.5, "window_m": [ 276.0, 301.0 ], "width_at_max25_m": 2.5, "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": 26, "stations_resolved": 26, "width_median_m": 4.25, "width_p10_m": 0.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.808, "unbounded_share": 0.192, "confidence_median": 1.0, "width_median_bounded_m": 1.75, "window_m": [ 276.0, 301.0 ], "width_at_max25_m": 1.25, "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-Maurice-sur-Moselle", "county": "Vosges", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }