{ "ocl_version": "0.1.0", "name": "Col de Creu from Matemale", "slug": "col-de-creu-from-matemale", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 22.439488463749058, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 2710.0, "end_distance_m": 2712.0, "start_elevation_m": 1668.675957037559, "end_elevation_m": 1669.124746806834, "min_gradient_pct": -6.893619217373725 }, { "window_m": 3.0, "max_gradient_pct": 18.94558637531342, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 2470.0, "end_distance_m": 2473.0, "start_elevation_m": 1652.1902668927914, "end_elevation_m": 1652.7586344840508, "min_gradient_pct": -4.0471397346361 }, { "window_m": 5.0, "max_gradient_pct": 16.587345607699717, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 2468.0, "end_distance_m": 2473.0, "start_elevation_m": 1651.9292672036659, "end_elevation_m": 1652.7586344840508, "min_gradient_pct": -3.1489104272168333 }, { "window_m": 10.0, "max_gradient_pct": 13.501173587214907, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 2468.0, "end_distance_m": 2478.0, "start_elevation_m": 1651.9292672036659, "end_elevation_m": 1653.2793845623873, "min_gradient_pct": -2.5141609972797596 }, { "window_m": 20.0, "max_gradient_pct": 10.840666565225092, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 2468.0, "end_distance_m": 2488.0, "start_elevation_m": 1651.9292672036659, "end_elevation_m": 1654.0974005167109, "min_gradient_pct": -2.4704628766562564 }, { "window_m": 25.0, "max_gradient_pct": 10.097029407623268, "diagnostic": false, "flags": [], "start_distance_m": 1657.0, "end_distance_m": 1682.0, "start_elevation_m": 1598.2495282911982, "end_elevation_m": 1600.773785643104, "min_gradient_pct": -2.296401081503973 }, { "window_m": 50.0, "max_gradient_pct": 9.637915670547955, "diagnostic": false, "flags": [], "start_distance_m": 1657.0, "end_distance_m": 1707.0, "start_elevation_m": 1598.2495282911982, "end_elevation_m": 1603.0684861264722, "min_gradient_pct": -0.8031908827329062 }, { "window_m": 100.0, "max_gradient_pct": 9.011106446775557, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1501.0, "end_distance_m": 1601.0, "start_elevation_m": 1584.6185041952624, "end_elevation_m": 1593.629610642038, "min_gradient_pct": 1.5620069618837533 } ], "shape": { "ascent_concentration": 0.289, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 22.0, "shape_class": "sustained" }, "length_m": 3308.6330193284907, "start_elevation_m": 1488.542156470699, "end_elevation_m": 1708.8646275859396, "endpoint_gain_m": 220.32247111524066, "overall_gradient_pct": 6.659018084754428, "accumulated_ascent_m": 221.85950495900556, "window_maxima": { "max_5m": { "gradient_pct": 16.587345607699717, "start_distance_m": 2468.0, "end_distance_m": 2473.0, "midpoint_distance_m": 2470.5, "start_elevation_m": 1651.9292672036659, "end_elevation_m": 1652.7586344840508, "start_xy": [ 628695.4042532211, 6167002.024535087 ], "end_xy": [ 628697.2775976603, 6167006.660328505 ] }, "max_10m": { "gradient_pct": 13.501173587214907, "start_distance_m": 2468.0, "end_distance_m": 2478.0, "midpoint_distance_m": 2473.0, "start_elevation_m": 1651.9292672036659, "end_elevation_m": 1653.2793845623873, "start_xy": [ 628695.4042532211, 6167002.024535087 ], "end_xy": [ 628699.1509420994, 6167011.296121922 ] }, "max_20m": { "gradient_pct": 10.840666565225092, "start_distance_m": 2468.0, "end_distance_m": 2488.0, "midpoint_distance_m": 2478.0, "start_elevation_m": 1651.9292672036659, "end_elevation_m": 1654.0974005167109, "start_xy": [ 628695.4042532211, 6167002.024535087 ], "end_xy": [ 628701.7769908905, 6167020.909434518 ] }, "max_25m": { "gradient_pct": 10.097029407623268, "start_distance_m": 1657.0, "end_distance_m": 1682.0, "midpoint_distance_m": 1669.5, "start_elevation_m": 1598.2495282911982, "end_elevation_m": 1600.773785643104, "start_xy": [ 628421.7080970006, 6166293.389762746 ], "end_xy": [ 628434.1188027866, 6166314.446226015 ] }, "max_50m": { "gradient_pct": 9.637915670547955, "start_distance_m": 1657.0, "end_distance_m": 1707.0, "midpoint_distance_m": 1682.0, "start_elevation_m": 1598.2495282911982, "end_elevation_m": 1603.0684861264722, "start_xy": [ 628421.7080970006, 6166293.389762746 ], "end_xy": [ 628438.4087172967, 6166339.035332786 ] }, "max_100m": { "gradient_pct": 9.011106446775557, "start_distance_m": 1501.0, "end_distance_m": 1601.0, "midpoint_distance_m": 1551.0, "start_elevation_m": 1584.6185041952624, "end_elevation_m": 1593.629610642038, "start_xy": [ 628309.9872703748, 6166190.035933781 ], "end_xy": [ 628380.4295938233, 6166255.681310494 ] } }, "window_minima": { "min_5m": { "gradient_pct": -3.1489104272168333, "start_distance_m": 92.0, "end_distance_m": 97.0, "midpoint_distance_m": 94.5, "start_elevation_m": 1490.5385170986922, "end_elevation_m": 1490.3810715773313, "start_xy": [ 627589.0704405351, 6165514.86940407 ], "end_xy": [ 627586.6580386937, 6165510.489870151 ] }, "min_10m": { "gradient_pct": -2.5141609972797596, "start_distance_m": 87.0, "end_distance_m": 97.0, "midpoint_distance_m": 92.0, "start_elevation_m": 1490.6324876770593, "end_elevation_m": 1490.3810715773313, "start_xy": [ 627591.4828423766, 6165519.2489379905 ], "end_xy": [ 627586.6580386937, 6165510.489870151 ] }, "min_20m": { "gradient_pct": -2.4704628766562564, "start_distance_m": 77.0, "end_distance_m": 97.0, "midpoint_distance_m": 87.0, "start_elevation_m": 1490.8751641526626, "end_elevation_m": 1490.3810715773313, "start_xy": [ 627596.4439239197, 6165527.929487209 ], "end_xy": [ 627586.6580386937, 6165510.489870151 ] }, "min_25m": { "gradient_pct": -2.296401081503973, "start_distance_m": 74.0, "end_distance_m": 99.0, "midpoint_distance_m": 86.5, "start_elevation_m": 1490.9252658728676, "end_elevation_m": 1490.3511656024916, "start_xy": [ 627597.9913090727, 6165530.499623234 ], "end_xy": [ 627585.7643366237, 6165508.707118694 ] }, "min_50m": { "gradient_pct": -0.8031908827329062, "start_distance_m": 64.0, "end_distance_m": 114.0, "midpoint_distance_m": 89.0, "start_elevation_m": 1490.877242749069, "end_elevation_m": 1490.4756473077025, "start_xy": [ 627603.1492595826, 6165539.066743319 ], "end_xy": [ 627581.1067046555, 6165494.448561108 ] }, "min_100m": { "gradient_pct": 1.5620069618837533, "start_distance_m": 140.0, "end_distance_m": 240.0, "midpoint_distance_m": 190.0, "start_elevation_m": 1492.549312379362, "end_elevation_m": 1494.1113193412457, "start_xy": [ 627574.8386560171, 6165469.405648082 ], "end_xy": [ 627523.0482682446, 6165385.744490389 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 22.439488463749058, "start_distance_m": 2710.0, "end_distance_m": 2712.0, "midpoint_distance_m": 2711.0, "start_elevation_m": 1668.675957037559, "end_elevation_m": 1669.124746806834, "start_xy": [ 628735.1266935125, 6167240.158029449 ], "end_xy": [ 628736.032584255, 6167241.941105993 ] }, "max_3m": { "gradient_pct": 18.94558637531342, "start_distance_m": 2470.0, "end_distance_m": 2473.0, "midpoint_distance_m": 2471.5, "start_elevation_m": 1652.1902668927914, "end_elevation_m": 1652.7586344840508, "start_xy": [ 628696.1535909967, 6167003.878852454 ], "end_xy": [ 628697.2775976603, 6167006.660328505 ] } }, "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": 0.012, "windows_resited": [], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.076, "obstruction_max_height_m": 14.55, "flagged_windows_m": [ 2, 3, 5, 10, 20, 100 ] }, "excluded_ranges_m": [ [ 22.0, 62.0 ] ], "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-pyr3", "road_pbf": "block-batch-fr-pyr3.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": "sha256:79dd257545ed11dc" }, "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_E627-N6165_0m5@21LHD3JS-2025-03-26.tif", "data/cache/fr/ign-lidarhd_dtm_E627-N6166_0m5@21LHD3JS-2025-03-26.tif", "data/cache/fr/ign-lidarhd_dtm_E628-N6165_0m5@21LHD3JS-2025-03-26.tif", "data/cache/fr/ign-lidarhd_dtm_E628-N6166_0m5@21LHD3JS-2025-03-26.tif", "data/cache/fr/ign-lidarhd_dtm_E628-N6167_0m5@21LHD3JS-2025-03-26.tif", "data/cache/fr/ign-lidarhd_dtm_E629-N6167_0m5@21LHD3JS-2025-03-26.tif" ], "calculated_at": "2026-09-20T07:23:36+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr3.osm.pbf", "osm_snapshot": "", "run_id": "fr-pyr3", "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": [ "E627-N6165", "E627-N6166", "E628-N6165", "E628-N6166", "E628-N6167", "E629-N6167" ], "elevation_blocks": [ "21LHD3JS@2025-03-26" ], "ign_dalles": [ "LHD_FXX_0627_6166_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0627_6167_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0628_6166_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0628_6167_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0628_6168_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0629_6168_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3JS" ], "ign_editions": [ "2025-03-26" ], "ign_dsm_edition": { "LHD_FXX_0627_6166_MNT_O_0M50_LAMB93_IGN69": "2025-03-26", "LHD_FXX_0627_6167_MNT_O_0M50_LAMB93_IGN69": "2025-03-26", "LHD_FXX_0628_6166_MNT_O_0M50_LAMB93_IGN69": "2025-03-26", "LHD_FXX_0628_6167_MNT_O_0M50_LAMB93_IGN69": "2025-03-26", "LHD_FXX_0628_6168_MNT_O_0M50_LAMB93_IGN69": "2025-03-26", "LHD_FXX_0629_6168_MNT_O_0M50_LAMB93_IGN69": "2025-03-26" }, "climb_origin": "named-pass", "structure_own_ways": 7, "structure_mask_ranges_m": [ [ 27.9, 57.9 ] ], "carriageway": { "stations": 139, "stations_resolved": 139, "width_median_m": 5.0, "width_p10_m": 2.25, "width_min_m": 1.25, "width_max_m": 11.75, "bounded_share": 0.41, "unbounded_share": 0.59, "confidence_median": 0.0, "width_median_bounded_m": 5.5, "window_m": [ 1657.0, 1682.0 ], "width_at_max25_m": 3.75, "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": 139, "stations_resolved": 139, "width_median_m": 6.0, "width_p10_m": 1.2, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.82, "unbounded_share": 0.18, "confidence_median": 1.0, "width_median_bounded_m": 5.25, "window_m": [ 1657.0, 1682.0 ], "width_at_max25_m": 4.5, "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": "Matemale", "county": "Pyr\u00e9n\u00e9es-Orientales", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }