{ "ocl_version": "0.1.0", "name": "Route du Pontet", "slug": "route-du-pontet", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 24.292140573305687, "diagnostic": true, "flags": [], "start_distance_m": 1295.0, "end_distance_m": 1297.0, "start_elevation_m": 594.8246176757799, "end_elevation_m": 595.310460487246, "min_gradient_pct": -3.757210984838366 }, { "window_m": 3.0, "max_gradient_pct": 23.275053781280047, "diagnostic": true, "flags": [], "start_distance_m": 1294.0, "end_distance_m": 1297.0, "start_elevation_m": 594.6122088738076, "end_elevation_m": 595.310460487246, "min_gradient_pct": -0.9511582414575059 }, { "window_m": 5.0, "max_gradient_pct": 23.29821052260513, "diagnostic": false, "flags": [], "start_distance_m": 1292.0, "end_distance_m": 1297.0, "start_elevation_m": 594.1455499611158, "end_elevation_m": 595.310460487246, "min_gradient_pct": -0.7368126883125115 }, { "window_m": 10.0, "max_gradient_pct": 22.14472356805345, "diagnostic": false, "flags": [], "start_distance_m": 1290.0, "end_distance_m": 1300.0, "start_elevation_m": 593.7363137805189, "end_elevation_m": 595.9507861373243, "min_gradient_pct": 1.5042382149465539 }, { "window_m": 20.0, "max_gradient_pct": 20.91079885875672, "diagnostic": false, "flags": [], "start_distance_m": 1289.0, "end_distance_m": 1309.0, "start_elevation_m": 593.5277261987129, "end_elevation_m": 597.7098859704643, "min_gradient_pct": 2.1124500429795035 }, { "window_m": 25.0, "max_gradient_pct": 20.36888231275816, "diagnostic": false, "flags": [], "start_distance_m": 1288.0, "end_distance_m": 1313.0, "start_elevation_m": 593.3598701132541, "end_elevation_m": 598.4520906914437, "min_gradient_pct": 2.332667039880107 }, { "window_m": 50.0, "max_gradient_pct": 19.02749346407495, "diagnostic": false, "flags": [], "start_distance_m": 1285.0, "end_distance_m": 1335.0, "start_elevation_m": 592.8350046586054, "end_elevation_m": 602.3487513906429, "min_gradient_pct": 3.0575297855782537 }, { "window_m": 100.0, "max_gradient_pct": 18.196399747371288, "diagnostic": false, "flags": [], "start_distance_m": 1534.0, "end_distance_m": 1634.0, "start_elevation_m": 623.1765123020855, "end_elevation_m": 641.3729120494568, "min_gradient_pct": 4.054154475990231 } ], "shape": { "ascent_concentration": 0.399, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 207.0, "shape_class": "sustained" }, "length_m": 1705.2000000000883, "start_elevation_m": 501.9572499717748, "end_elevation_m": 652.1653160861337, "endpoint_gain_m": 150.20806611435887, "overall_gradient_pct": 8.808823956975786, "accumulated_ascent_m": 150.8390073056238, "window_maxima": { "max_5m": { "gradient_pct": 23.29821052260513, "start_distance_m": 1292.0, "end_distance_m": 1297.0, "midpoint_distance_m": 1294.5, "start_elevation_m": 594.1455499611158, "end_elevation_m": 595.310460487246, "start_xy": [ 742272.4855942347, 6363212.191356025 ], "end_xy": [ 742277.0261729328, 6363210.097759816 ] }, "max_10m": { "gradient_pct": 22.14472356805345, "start_distance_m": 1290.0, "end_distance_m": 1300.0, "midpoint_distance_m": 1295.0, "start_elevation_m": 593.7363137805189, "end_elevation_m": 595.9507861373243, "start_xy": [ 742270.6693627554, 6363213.028794508 ], "end_xy": [ 742279.7505201517, 6363208.841602091 ] }, "max_20m": { "gradient_pct": 20.91079885875672, "start_distance_m": 1289.0, "end_distance_m": 1309.0, "midpoint_distance_m": 1299.0, "start_elevation_m": 593.5277261987129, "end_elevation_m": 597.7098859704643, "start_xy": [ 742269.7612470158, 6363213.447513751 ], "end_xy": [ 742287.9235618082, 6363205.073128914 ] }, "max_25m": { "gradient_pct": 20.36888231275816, "start_distance_m": 1288.0, "end_distance_m": 1313.0, "midpoint_distance_m": 1300.5, "start_elevation_m": 593.3598701132541, "end_elevation_m": 598.4520906914437, "start_xy": [ 742268.8531312762, 6363213.866232992 ], "end_xy": [ 742291.3987111974, 6363203.108695149 ] }, "max_50m": { "gradient_pct": 19.02749346407495, "start_distance_m": 1285.0, "end_distance_m": 1335.0, "midpoint_distance_m": 1310.0, "start_elevation_m": 592.8350046586054, "end_elevation_m": 602.3487513906429, "start_xy": [ 742266.0564176439, 6363214.927075758 ], "end_xy": [ 742309.9994134104, 6363191.360764388 ] }, "max_100m": { "gradient_pct": 18.196399747371288, "start_distance_m": 1534.0, "end_distance_m": 1634.0, "midpoint_distance_m": 1584.0, "start_elevation_m": 623.1765123020855, "end_elevation_m": 641.3729120494568, "start_xy": [ 742444.3844324832, 6363053.73140971 ], "end_xy": [ 742481.4383842021, 6362961.651086942 ] } }, "window_minima": { "min_5m": { "gradient_pct": -0.7368126883125115, "start_distance_m": 110.0, "end_distance_m": 115.0, "midpoint_distance_m": 112.5, "start_elevation_m": 513.1037240074467, "end_elevation_m": 513.066883373031, "start_xy": [ 741853.460859207, 6363329.584540115 ], "end_xy": [ 741856.959283904, 6363333.156797754 ] }, "min_10m": { "gradient_pct": 1.5042382149465539, "start_distance_m": 614.0, "end_distance_m": 624.0, "midpoint_distance_m": 619.0, "start_elevation_m": 546.6183421875276, "end_elevation_m": 546.7687660090222, "start_xy": [ 741987.5026101839, 6363187.639105159 ], "end_xy": [ 741983.6637638384, 6363179.393467278 ] }, "min_20m": { "gradient_pct": 2.1124500429795035, "start_distance_m": 632.0, "end_distance_m": 652.0, "midpoint_distance_m": 642.0, "start_elevation_m": 547.1556403193905, "end_elevation_m": 547.5781303279864, "start_xy": [ 741977.8265188091, 6363173.922948978 ], "end_xy": [ 741963.2334062359, 6363160.246653229 ] }, "min_25m": { "gradient_pct": 2.332667039880107, "start_distance_m": 630.0, "end_distance_m": 655.0, "midpoint_distance_m": 642.5, "start_elevation_m": 547.1114255913562, "end_elevation_m": 547.6945923513263, "start_xy": [ 741979.2858300664, 6363175.290578553 ], "end_xy": [ 741961.0444393499, 6363158.195208866 ] }, "min_50m": { "gradient_pct": 3.0575297855782537, "start_distance_m": 614.0, "end_distance_m": 664.0, "midpoint_distance_m": 639.0, "start_elevation_m": 546.6183421875276, "end_elevation_m": 548.1471070803167, "start_xy": [ 741987.5026101839, 6363187.639105159 ], "end_xy": [ 741954.477538692, 6363152.040875779 ] }, "min_100m": { "gradient_pct": 4.054154475990231, "start_distance_m": 565.0, "end_distance_m": 665.0, "midpoint_distance_m": 615.0, "start_elevation_m": 544.1448710430604, "end_elevation_m": 548.1990255190507, "start_xy": [ 741951.1968031502, 6363158.833845246 ], "end_xy": [ 741953.7478830633, 6363151.357060992 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 24.292140573305687, "start_distance_m": 1295.0, "end_distance_m": 1297.0, "midpoint_distance_m": 1296.0, "start_elevation_m": 594.8246176757799, "end_elevation_m": 595.310460487246, "start_xy": [ 742275.2099414535, 6363210.9351983 ], "end_xy": [ 742277.0261729328, 6363210.097759816 ] }, "max_3m": { "gradient_pct": 23.275053781280047, "start_distance_m": 1294.0, "end_distance_m": 1297.0, "midpoint_distance_m": 1295.5, "start_elevation_m": 594.6122088738076, "end_elevation_m": 595.310460487246, "start_xy": [ 742274.301825714, 6363211.353917542 ], "end_xy": [ 742277.0261729328, 6363210.097759816 ] } }, "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": 0.079, "obstruction_max_height_m": 19.44, "flagged_windows_m": [] }, "review": [], "extent": [ "may_start_earlier", "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "1cc9fdcd6556a02163cb21acb2293cad3067d2a1", "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-mc5", "road_pbf": "block-batch-fr-mc5.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:af4eae1f5df9e232" }, "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_E741-N6362_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E741-N6363_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E742-N6362_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E742-N6363_0m5@21LHD4MO-2024-12-13.tif" ], "calculated_at": "2026-09-22T18:33:25+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc5.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc5", "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": [ "E741-N6362", "E741-N6363", "E742-N6362", "E742-N6363" ], "elevation_blocks": [ "21LHD4MO@2024-12-13" ], "ign_dalles": [ "LHD_FXX_0741_6363_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0741_6364_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0742_6363_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0742_6364_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD4MO" ], "ign_editions": [ "2024-12-13" ], "ign_dsm_edition": { "LHD_FXX_0741_6363_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0741_6364_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0742_6363_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0742_6364_MNT_O_0M50_LAMB93_IGN69": "2024-12-13" }, "route_cut_m": 1705.2, "climb_origin": "discovered", "structure_own_ways": 11, "carriageway": { "stations": 75, "stations_resolved": 75, "width_median_m": 4.5, "width_p10_m": 3.0, "width_min_m": 1.0, "width_max_m": 11.25, "bounded_share": 0.387, "unbounded_share": 0.613, "confidence_median": 0.0, "width_median_bounded_m": 4.25, "window_m": [ 1288.0, 1313.0 ], "width_at_max25_m": 6.0, "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": 75, "stations_resolved": 75, "width_median_m": 6.25, "width_p10_m": 2.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.72, "unbounded_share": 0.28, "confidence_median": 1.0, "width_median_bounded_m": 4.62, "window_m": [ 1288.0, 1313.0 ], "width_at_max25_m": 7.75, "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": "Gorges du Tarn Causses", "county": "Loz\u00e8re", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }