{ "ocl_version": "0.1.0", "name": "Col de la Bigue from Cuers", "slug": "col-de-la-bigue-from-cuers", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 10.113628268385355, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5846.0, "end_distance_m": 5848.0, "start_elevation_m": 369.52339311813785, "end_elevation_m": 369.72566568350555, "min_gradient_pct": -2.4589903877910047, "suppressed_max_gradient_pct": 275.94617296559466, "suppressed_location_m": [ 305.0, 307.0 ], "suppressed_min_gradient_pct": -248.6400563466063, "suppressed_min_location_m": [ 2115.0, 2117.0 ] }, { "window_m": 3.0, "max_gradient_pct": 8.630064134323826, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5842.0, "end_distance_m": 5845.0, "start_elevation_m": 369.26226516612473, "end_elevation_m": 369.52116709015445, "min_gradient_pct": -2.1763744683066, "suppressed_max_gradient_pct": 218.60225107886512, "suppressed_location_m": [ 2123.0, 2126.0 ], "suppressed_min_gradient_pct": -203.7080224937133, "suppressed_min_location_m": [ 2114.0, 2117.0 ] }, { "window_m": 5.0, "max_gradient_pct": 7.937069977597275, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5674.0, "end_distance_m": 5679.0, "start_elevation_m": 357.6287980224925, "end_elevation_m": 358.02565152137237, "min_gradient_pct": -1.5661442775410706, "suppressed_max_gradient_pct": 150.0707416116785, "suppressed_location_m": [ 174.0, 179.0 ], "suppressed_min_gradient_pct": -127.61669386582014, "suppressed_min_location_m": [ 2114.0, 2119.0 ] }, { "window_m": 10.0, "max_gradient_pct": 7.6048315891983975, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5628.0, "end_distance_m": 5638.0, "start_elevation_m": 354.31531561481256, "end_elevation_m": 355.0757987737324, "min_gradient_pct": -0.9616017305461355, "suppressed_max_gradient_pct": 95.42490276940825, "suppressed_location_m": [ 170.0, 180.0 ], "suppressed_min_gradient_pct": -88.75829988288913, "suppressed_min_location_m": [ 185.0, 195.0 ] }, { "window_m": 20.0, "max_gradient_pct": 7.423677747144666, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5514.0, "end_distance_m": 5534.0, "start_elevation_m": 346.2417811245299, "end_elevation_m": 347.7265166739588, "min_gradient_pct": -0.4856871650687822, "suppressed_max_gradient_pct": 50.88886902152353, "suppressed_location_m": [ 165.0, 185.0 ], "suppressed_min_gradient_pct": -42.19892041443984, "suppressed_min_location_m": [ 185.0, 205.0 ] }, { "window_m": 25.0, "max_gradient_pct": 7.341169679147924, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5626.0, "end_distance_m": 5651.0, "start_elevation_m": 354.17086751620377, "end_elevation_m": 356.00615993599075, "min_gradient_pct": -0.3152988520805593, "suppressed_max_gradient_pct": 41.73835711718101, "suppressed_location_m": [ 159.0, 184.0 ], "suppressed_min_gradient_pct": -32.86867539328563, "suppressed_min_location_m": [ 185.0, 210.0 ] }, { "window_m": 50.0, "max_gradient_pct": 7.288890579637041, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5629.0, "end_distance_m": 5679.0, "start_elevation_m": 354.38120623155385, "end_elevation_m": 358.02565152137237, "min_gradient_pct": 0.3992131508214243, "suppressed_max_gradient_pct": 23.04440007592413, "suppressed_location_m": [ 135.0, 185.0 ], "suppressed_min_gradient_pct": -14.456010481888086, "suppressed_min_location_m": [ 185.0, 235.0 ] }, { "window_m": 100.0, "max_gradient_pct": 7.1729939691740014, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 5441.0, "end_distance_m": 5541.0, "start_elevation_m": 341.046900687224, "end_elevation_m": 348.219894656398, "min_gradient_pct": 0.99801521117314, "suppressed_max_gradient_pct": 13.768094408077943, "suppressed_location_m": [ 85.0, 185.0 ], "suppressed_min_gradient_pct": -5.003414301459813, "suppressed_min_location_m": [ 185.0, 285.0 ] } ], "shape": { "ascent_concentration": 0.325, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 23.0, "shape_class": "sustained" }, "length_m": 6747.166091637281, "start_elevation_m": 113.4593318314828, "end_elevation_m": 421.4293457324234, "endpoint_gain_m": 307.9700139009406, "overall_gradient_pct": 4.564435049000076, "accumulated_ascent_m": 343.91646304098833, "window_maxima": { "max_5m": { "gradient_pct": 7.937069977597275, "start_distance_m": 5674.0, "end_distance_m": 5679.0, "midpoint_distance_m": 5676.5, "start_elevation_m": 357.6287980224925, "end_elevation_m": 358.02565152137237, "start_xy": [ 949554.70854243, 6246928.946205207 ], "end_xy": [ 949555.6870078343, 6246933.849531165 ] }, "max_10m": { "gradient_pct": 7.6048315891983975, "start_distance_m": 5628.0, "end_distance_m": 5638.0, "midpoint_distance_m": 5633.0, "start_elevation_m": 354.31531561481256, "end_elevation_m": 355.0757987737324, "start_xy": [ 949541.5805538102, 6246884.998786959 ], "end_xy": [ 949545.5013770388, 6246894.195997442 ] }, "max_20m": { "gradient_pct": 7.423677747144666, "start_distance_m": 5514.0, "end_distance_m": 5534.0, "midpoint_distance_m": 5524.0, "start_elevation_m": 346.2417811245299, "end_elevation_m": 347.7265166739588, "start_xy": [ 949491.7619671982, 6246782.5201727925 ], "end_xy": [ 949500.875825019, 6246800.322914031 ] }, "max_25m": { "gradient_pct": 7.341169679147924, "start_distance_m": 5626.0, "end_distance_m": 5651.0, "midpoint_distance_m": 5638.5, "start_elevation_m": 354.17086751620377, "end_elevation_m": 356.00615993599075, "start_xy": [ 949540.7890657777, 6246883.162065234 ], "end_xy": [ 949549.3984357187, 6246906.598131679 ] }, "max_50m": { "gradient_pct": 7.288890579637041, "start_distance_m": 5629.0, "end_distance_m": 5679.0, "midpoint_distance_m": 5654.0, "start_elevation_m": 354.38120623155385, "end_elevation_m": 358.02565152137237, "start_xy": [ 949541.9762978265, 6246885.917147822 ], "end_xy": [ 949555.6870078343, 6246933.849531165 ] }, "max_100m": { "gradient_pct": 7.1729939691740014, "start_distance_m": 5441.0, "end_distance_m": 5541.0, "midpoint_distance_m": 5491.0, "start_elevation_m": 341.046900687224, "end_elevation_m": 348.219894656398, "start_xy": [ 949461.7768608435, 6246715.995515048 ], "end_xy": [ 949504.0656752562, 6246806.553873465 ] } }, "window_minima": { "min_5m": { "gradient_pct": -1.5661442775410706, "start_distance_m": 6741.0, "end_distance_m": 6746.0, "midpoint_distance_m": 6743.5, "start_elevation_m": 421.51712629661847, "end_elevation_m": 421.4388190827414, "start_xy": [ 949243.0115146299, 6247879.248278675 ], "end_xy": [ 949239.5688844521, 6247882.87433679 ] }, "min_10m": { "gradient_pct": -0.9616017305461355, "start_distance_m": 6737.0, "end_distance_m": 6747.0, "midpoint_distance_m": 6742.0, "start_elevation_m": 421.521952577516, "end_elevation_m": 421.4257924044614, "start_xy": [ 949245.7656187721, 6247876.347432182 ], "end_xy": [ 949238.8803584165, 6247883.599548413 ] }, "min_20m": { "gradient_pct": -0.4856871650687822, "start_distance_m": 6727.0, "end_distance_m": 6747.0, "midpoint_distance_m": 6737.0, "start_elevation_m": 421.52292983747515, "end_elevation_m": 421.4257924044614, "start_xy": [ 949252.6508791278, 6247869.095315951 ], "end_xy": [ 949238.8803584165, 6247883.599548413 ] }, "min_25m": { "gradient_pct": -0.3152988520805593, "start_distance_m": 6722.0, "end_distance_m": 6747.0, "midpoint_distance_m": 6734.5, "start_elevation_m": 421.50461711748153, "end_elevation_m": 421.4257924044614, "start_xy": [ 949256.0935093056, 6247865.469257835 ], "end_xy": [ 949238.8803584165, 6247883.599548413 ] }, "min_50m": { "gradient_pct": 0.3992131508214243, "start_distance_m": 6697.0, "end_distance_m": 6747.0, "midpoint_distance_m": 6722.0, "start_elevation_m": 421.2261858290507, "end_elevation_m": 421.4257924044614, "start_xy": [ 949273.3066601946, 6247847.338967256 ], "end_xy": [ 949238.8803584165, 6247883.599548413 ] }, "min_100m": { "gradient_pct": 0.99801521117314, "start_distance_m": 1396.0, "end_distance_m": 1496.0, "midpoint_distance_m": 1446.0, "start_elevation_m": 154.0396991106748, "end_elevation_m": 155.03771432184794, "start_xy": [ 950102.4470848663, 6243810.774840219 ], "end_xy": [ 950007.7591982032, 6243778.616126673 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 10.113628268385355, "start_distance_m": 5846.0, "end_distance_m": 5848.0, "midpoint_distance_m": 5847.0, "start_elevation_m": 369.52339311813785, "end_elevation_m": 369.72566568350555, "start_xy": [ 949545.4254583215, 6247100.0576869175 ], "end_xy": [ 949545.2188477485, 6247102.04698631 ] }, "max_3m": { "gradient_pct": 8.630064134323826, "start_distance_m": 5842.0, "end_distance_m": 5845.0, "midpoint_distance_m": 5843.5, "start_elevation_m": 369.26226516612473, "end_elevation_m": 369.52116709015445, "start_xy": [ 949545.8386794676, 6247096.079088134 ], "end_xy": [ 949545.528763608, 6247099.063037221 ] } }, "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": 0.024, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [], "minima_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.008, "obstruction_max_height_m": 13.22, "flagged_windows_m": [] }, "excluded_ranges_m": [ [ 163.0, 207.0 ], [ 295.0, 312.0 ], [ 1662.0, 1678.0 ], [ 1779.0, 1799.0 ], [ 2099.0, 2139.0 ], [ 3606.0, 3623.0 ] ], "review": [], "extent": [] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "41205ec4649bb0a4093af76ff34281a5d9a13832", "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-pr6", "road_pbf": "block-batch-fr-pr6.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:ba95a0bf562c86eb" }, "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_E948-N6243_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E948-N6244_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E948-N6245_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E948-N6246_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E949-N6243_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E949-N6244_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E949-N6245_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E949-N6246_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E949-N6247_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E950-N6243_0m5@22LHDZICuers_V2-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E950-N6244_0m5@22LHDZICuers_V2-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E951-N6243_0m5@22LHDZICuers_V2-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E951-N6244_0m5@22LHDZICuers_V2-2025-03-24.tif" ], "calculated_at": "2026-09-25T09:15:47+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr6.osm.pbf", "osm_snapshot": "", "run_id": "fr-pr6", "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": [ "E948-N6243", "E948-N6244", "E948-N6245", "E948-N6246", "E949-N6243", "E949-N6244", "E949-N6245", "E949-N6246", "E949-N6247", "E950-N6243", "E950-N6244", "E951-N6243", "E951-N6244" ], "elevation_blocks": [ "22LHD6QQ@2025-03-24", "22LHDZICuers_V2@2025-03-24" ], "ign_dalles": [ "LHD_FXX_0948_6244_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0948_6245_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0948_6246_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0948_6247_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0949_6244_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0949_6245_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0949_6246_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0949_6247_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0949_6248_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0950_6244_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0950_6245_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0951_6244_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0951_6245_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD6QQ", "22LHDZICuers_V2" ], "ign_editions": [ "2025-03-24" ], "ign_dsm_edition": { "LHD_FXX_0948_6244_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0948_6245_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0948_6246_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0948_6247_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0949_6244_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0949_6245_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0949_6246_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0949_6247_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0949_6248_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0950_6244_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0950_6245_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0951_6244_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0951_6245_MNT_O_0M50_LAMB93_IGN69": "2025-03-24" }, "climb_origin": "named-pass", "structure_own_ways": 20, "structure_mask_ranges_m": [ [ 172.8, 202.8 ], [ 168.0, 198.0 ], [ 2104.5, 2134.5 ] ], "carriageway": { "stations": 276, "stations_resolved": 276, "width_median_m": 11.75, "width_p10_m": 9.5, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.011, "unbounded_share": 0.989, "confidence_median": 0.0, "width_median_bounded_m": 2.25, "window_m": [ 5626.0, 5651.0 ], "width_at_max25_m": 11.75, "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": 276, "stations_resolved": 276, "width_median_m": 12.0, "width_p10_m": 11.25, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.029, "unbounded_share": 0.971, "confidence_median": 0.0, "width_median_bounded_m": 6.88, "window_m": [ 5626.0, 5651.0 ], "width_at_max25_m": 12.0, "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": "Cuers", "county": "Var", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }