{ "ocl_version": "0.1.0", "name": "Chemin de las Garetos", "slug": "chemin-de-las-garetos", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 23.229729708040736, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 153.0, "end_distance_m": 155.0, "start_elevation_m": 443.55304769636456, "end_elevation_m": 444.0176422905254, "min_gradient_pct": -2.8344528126496016 }, { "window_m": 3.0, "max_gradient_pct": 22.987669638066183, "diagnostic": true, "flags": [], "start_distance_m": 146.0, "end_distance_m": 149.0, "start_elevation_m": 442.0192761491564, "end_elevation_m": 442.70890623829837, "min_gradient_pct": -2.486706019499252 }, { "window_m": 5.0, "max_gradient_pct": 22.496561608954835, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 150.0, "end_distance_m": 155.0, "start_elevation_m": 442.89281421007763, "end_elevation_m": 444.0176422905254, "min_gradient_pct": -1.9303054009219522 }, { "window_m": 10.0, "max_gradient_pct": 22.32964214020285, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 150.0, "end_distance_m": 160.0, "start_elevation_m": 442.89281421007763, "end_elevation_m": 445.1257784240979, "min_gradient_pct": -0.8794404229200836 }, { "window_m": 20.0, "max_gradient_pct": 21.93992715126825, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 141.0, "end_distance_m": 161.0, "start_elevation_m": 440.9545230027231, "end_elevation_m": 445.34250843297673, "min_gradient_pct": 0.4810269417700397 }, { "window_m": 25.0, "max_gradient_pct": 21.742387426831783, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 140.0, "end_distance_m": 165.0, "start_elevation_m": 440.7528176348575, "end_elevation_m": 446.1884144915654, "min_gradient_pct": 0.8525248791302147 }, { "window_m": 50.0, "max_gradient_pct": 19.86946079515701, "diagnostic": false, "flags": [], "start_distance_m": 123.0, "end_distance_m": 173.0, "start_elevation_m": 437.60962144739744, "end_elevation_m": 447.54435184497595, "min_gradient_pct": 1.7722193462261657 }, { "window_m": 100.0, "max_gradient_pct": 16.24381269061604, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 116.0, "end_distance_m": 216.0, "start_elevation_m": 436.66247905872865, "end_elevation_m": 452.9062917493447, "min_gradient_pct": 4.498247184083311 } ], "shape": { "ascent_concentration": 0.418, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 124.0, "shape_class": "sustained" }, "length_m": 391.20148959553615, "start_elevation_m": 430.3979146484386, "end_elevation_m": 468.5309054414184, "endpoint_gain_m": 38.1329907929798, "overall_gradient_pct": 9.747659916225155, "accumulated_ascent_m": 38.26600729779403, "window_maxima": { "max_5m": { "gradient_pct": 22.496561608954835, "start_distance_m": 150.0, "end_distance_m": 155.0, "midpoint_distance_m": 152.5, "start_elevation_m": 442.89281421007763, "end_elevation_m": 444.0176422905254, "start_xy": [ 611059.8962128793, 6206684.767460251 ], "end_xy": [ 611064.6548534009, 6206683.2327484265 ] }, "max_10m": { "gradient_pct": 22.32964214020285, "start_distance_m": 150.0, "end_distance_m": 160.0, "midpoint_distance_m": 155.0, "start_elevation_m": 442.89281421007763, "end_elevation_m": 445.1257784240979, "start_xy": [ 611059.8962128793, 6206684.767460251 ], "end_xy": [ 611069.4134939223, 6206681.698036601 ] }, "max_20m": { "gradient_pct": 21.93992715126825, "start_distance_m": 141.0, "end_distance_m": 161.0, "midpoint_distance_m": 151.0, "start_elevation_m": 440.9545230027231, "end_elevation_m": 445.34250843297673, "start_xy": [ 611051.3306599406, 6206687.529941537 ], "end_xy": [ 611070.3652220266, 6206681.391094236 ] }, "max_25m": { "gradient_pct": 21.742387426831783, "start_distance_m": 140.0, "end_distance_m": 165.0, "midpoint_distance_m": 152.5, "start_elevation_m": 440.7528176348575, "end_elevation_m": 446.1884144915654, "start_xy": [ 611050.3789318363, 6206687.836883903 ], "end_xy": [ 611074.0886063108, 6206679.991429845 ] }, "max_50m": { "gradient_pct": 19.86946079515701, "start_distance_m": 123.0, "end_distance_m": 173.0, "midpoint_distance_m": 148.0, "start_elevation_m": 437.60962144739744, "end_elevation_m": 447.54435184497595, "start_xy": [ 611034.0812253633, 6206692.641674013 ], "end_xy": [ 611080.7242202846, 6206675.522802853 ] }, "max_100m": { "gradient_pct": 16.24381269061604, "start_distance_m": 116.0, "end_distance_m": 216.0, "midpoint_distance_m": 166.0, "start_elevation_m": 436.66247905872865, "end_elevation_m": 452.9062917493447, "start_xy": [ 611027.2916196744, 6206694.34498097 ], "end_xy": [ 611102.7697763268, 6206639.522656167 ] } }, "window_minima": { "min_5m": { "gradient_pct": -1.9303054009219522, "start_distance_m": 8.0, "end_distance_m": 13.0, "midpoint_distance_m": 10.5, "start_elevation_m": 430.5170239398425, "end_elevation_m": 430.4205086697964, "start_xy": [ 610925.2634499905, 6206729.568089558 ], "end_xy": [ 610929.9631062346, 6206727.861270532 ] }, "min_10m": { "gradient_pct": -0.8794404229200836, "start_distance_m": 6.0, "end_distance_m": 16.0, "midpoint_distance_m": 11.0, "start_elevation_m": 430.52757957095923, "end_elevation_m": 430.4396355286672, "start_xy": [ 610923.3835874929, 6206730.2508171685 ], "end_xy": [ 610932.782899981, 6206726.837179117 ] }, "min_20m": { "gradient_pct": 0.4810269417700397, "start_distance_m": 0.0, "end_distance_m": 20.0, "midpoint_distance_m": 10.0, "start_elevation_m": 430.3979146484386, "end_elevation_m": 430.4941200367926, "start_xy": [ 610917.744, 6206732.299 ], "end_xy": [ 610936.5426249764, 6206725.4717238955 ] }, "min_25m": { "gradient_pct": 0.8525248791302147, "start_distance_m": 6.0, "end_distance_m": 31.0, "midpoint_distance_m": 18.5, "start_elevation_m": 430.52757957095923, "end_elevation_m": 430.7407107907418, "start_xy": [ 610923.3835874929, 6206730.2508171685 ], "end_xy": [ 610946.8818687134, 6206721.716722039 ] }, "min_50m": { "gradient_pct": 1.7722193462261657, "start_distance_m": 0.0, "end_distance_m": 50.0, "midpoint_distance_m": 25.0, "start_elevation_m": 430.3979146484386, "end_elevation_m": 431.28402432155167, "start_xy": [ 610917.744, 6206732.299 ], "end_xy": [ 610964.740562441, 6206715.230809741 ] }, "min_100m": { "gradient_pct": 4.498247184083311, "start_distance_m": 0.0, "end_distance_m": 100.0, "midpoint_distance_m": 50.0, "start_elevation_m": 430.3979146484386, "end_elevation_m": 434.8961618325219, "start_xy": [ 610917.744, 6206732.299 ], "end_xy": [ 611011.8166029183, 6206698.38468451 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 23.229729708040736, "start_distance_m": 153.0, "end_distance_m": 155.0, "midpoint_distance_m": 154.0, "start_elevation_m": 443.55304769636456, "end_elevation_m": 444.0176422905254, "start_xy": [ 611062.7513971922, 6206683.846633156 ], "end_xy": [ 611064.6548534009, 6206683.2327484265 ] }, "max_3m": { "gradient_pct": 22.987669638066183, "start_distance_m": 146.0, "end_distance_m": 149.0, "midpoint_distance_m": 147.5, "start_elevation_m": 442.0192761491564, "end_elevation_m": 442.70890623829837, "start_xy": [ 611056.0893004622, 6206685.995229712 ], "end_xy": [ 611058.9444847751, 6206685.074402616 ] } }, "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": 0.254, "obstruction_max_height_m": 17.64, "flagged_windows_m": [ 2, 5, 10, 20, 25, 100 ] }, "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "937d2a005af5491e462567d7f33ab563f033918b", "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_E610-N6206_0m5@21LHD3JR1-2025-04-11.tif", "data/cache/fr/ign-lidarhd_dtm_E611-N6206_0m5@21LHD3JR1-2025-04-11.tif" ], "calculated_at": "2026-09-20T08:45:36+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": [ "E610-N6206", "E611-N6206" ], "elevation_blocks": [ "21LHD3JR1@2025-04-11" ], "ign_dalles": [ "LHD_FXX_0610_6207_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0611_6207_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3JR1" ], "ign_editions": [ "2025-04-11" ], "ign_dsm_edition": { "LHD_FXX_0610_6207_MNT_O_0M50_LAMB93_IGN69": "2025-04-11", "LHD_FXX_0611_6207_MNT_O_0M50_LAMB93_IGN69": "2025-04-11" }, "climb_origin": "discovered", "structure_own_ways": 2, "carriageway": { "stations": 21, "stations_resolved": 21, "width_median_m": 5.75, "width_p10_m": 3.75, "width_min_m": 3.25, "width_max_m": 12.0, "bounded_share": 0.095, "unbounded_share": 0.905, "confidence_median": 0.0, "width_median_bounded_m": 4.12, "window_m": [ 140.0, 165.0 ], "width_at_max25_m": 3.88, "window_stations": 6, "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": 21, "stations_resolved": 21, "width_median_m": 5.75, "width_p10_m": 0.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.714, "unbounded_share": 0.286, "confidence_median": 1.0, "width_median_bounded_m": 2.0, "window_m": [ 140.0, 165.0 ], "width_at_max25_m": 4.75, "window_stations": 6, "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": "La Bastide-sur-l'Hers", "county": "Ari\u00e8ge", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }