{ "ocl_version": "0.1.0", "name": "Col de P\u00e9gu\u00e8re from Eycharts", "slug": "col-de-peguere-from-eycharts", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 31.815436403354624, "diagnostic": true, "flags": [ "texture_excluded", "texture_excluded_min", "canopy_or_structure" ], "start_distance_m": 1.0, "end_distance_m": 3.0, "start_elevation_m": 857.9273636849119, "end_elevation_m": 858.563672412979, "min_gradient_pct": -1.8427866715057917, "suppressed_max_gradient_pct": 45.452027658268435, "suppressed_location_m": [ 1979.0, 1981.0 ], "suppressed_min_gradient_pct": -11.89770965244179, "suppressed_min_location_m": [ 1973.0, 1975.0 ] }, { "window_m": 3.0, "max_gradient_pct": 31.103189367983457, "diagnostic": true, "flags": [ "texture_excluded", "texture_excluded_min", "canopy_or_structure" ], "start_distance_m": 1.0, "end_distance_m": 4.0, "start_elevation_m": 857.9273636849119, "end_elevation_m": 858.8604593659514, "min_gradient_pct": 0.6024238909617452, "suppressed_max_gradient_pct": 39.890192154113414, "suppressed_location_m": [ 1978.0, 1981.0 ], "suppressed_min_gradient_pct": -8.348196087338996, "suppressed_min_location_m": [ 1973.0, 1976.0 ] }, { "window_m": 5.0, "max_gradient_pct": 25.992886255967278, "diagnostic": false, "flags": [ "texture_excluded", "texture_excluded_min", "canopy_or_structure" ], "start_distance_m": 0.0, "end_distance_m": 5.0, "start_elevation_m": 857.6849339538331, "end_elevation_m": 858.9845782666315, "min_gradient_pct": 0.9721118972424847, "suppressed_max_gradient_pct": 31.986227643833445, "suppressed_location_m": [ 1976.0, 1981.0 ], "suppressed_min_gradient_pct": 0.036702503462038294, "suppressed_min_location_m": [ 1971.0, 1976.0 ] }, { "window_m": 10.0, "max_gradient_pct": 19.832953767320305, "diagnostic": false, "flags": [ "texture_excluded" ], "start_distance_m": 52.0, "end_distance_m": 62.0, "start_elevation_m": 864.9743218208566, "end_elevation_m": 866.9576171975887, "min_gradient_pct": 2.618063195694731, "suppressed_max_gradient_pct": 23.87119432924237, "suppressed_location_m": [ 1976.0, 1986.0 ] }, { "window_m": 20.0, "max_gradient_pct": 17.4711162939235, "diagnostic": false, "flags": [ "texture_excluded" ], "start_distance_m": 44.0, "end_distance_m": 64.0, "start_elevation_m": 863.7837668618046, "end_elevation_m": 867.2779901205893, "min_gradient_pct": 4.2781776574531705, "suppressed_max_gradient_pct": 18.470534129709222, "suppressed_location_m": [ 1976.0, 1996.0 ] }, { "window_m": 25.0, "max_gradient_pct": 16.94989176794752, "diagnostic": false, "flags": [ "texture_excluded", "canopy_or_structure" ], "start_distance_m": 2071.0, "end_distance_m": 2096.0, "start_elevation_m": 1041.829087754047, "end_elevation_m": 1046.0665606960338, "min_gradient_pct": 4.5947439685933205, "suppressed_max_gradient_pct": 17.538372738193175, "suppressed_location_m": [ 1976.0, 2001.0 ] }, { "window_m": 50.0, "max_gradient_pct": 16.708753423892404, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1610.0, "end_distance_m": 1660.0, "start_elevation_m": 972.3288815184445, "end_elevation_m": 980.6832582303907, "min_gradient_pct": 4.875618915074938 }, { "window_m": 100.0, "max_gradient_pct": 15.840916867240367, "diagnostic": false, "flags": [ "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1597.0, "end_distance_m": 1697.0, "start_elevation_m": 970.4162042677337, "end_elevation_m": 986.2571211349741, "min_gradient_pct": 5.2137933186378405, "suppressed_max_gradient_pct": 15.852722852837815, "suppressed_location_m": [ 1885.0, 1985.0 ] } ], "shape": { "ascent_concentration": 0.326, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 947.0, "shape_class": "sustained" }, "length_m": 4948.599115324376, "start_elevation_m": 857.6849339538331, "end_elevation_m": 1374.532862431629, "endpoint_gain_m": 516.8479284777958, "overall_gradient_pct": 10.444328110500358, "accumulated_ascent_m": 517.4669690264, "window_maxima": { "max_5m": { "gradient_pct": 25.992886255967278, "start_distance_m": 0.0, "end_distance_m": 5.0, "midpoint_distance_m": 2.5, "start_elevation_m": 857.6849339538331, "end_elevation_m": 858.9845782666315, "start_xy": [ 567601.693, 6202149.215 ], "end_xy": [ 567601.0520017385, 6202154.173741899 ] }, "max_10m": { "gradient_pct": 19.832953767320305, "start_distance_m": 52.0, "end_distance_m": 62.0, "midpoint_distance_m": 57.0, "start_elevation_m": 864.9743218208566, "end_elevation_m": 866.9576171975887, "start_xy": [ 567595.3983169512, 6202200.830600553 ], "end_xy": [ 567594.2932417392, 6202210.769353431 ] }, "max_20m": { "gradient_pct": 17.4711162939235, "start_distance_m": 44.0, "end_distance_m": 64.0, "midpoint_distance_m": 54.0, "start_elevation_m": 863.7837668618046, "end_elevation_m": 867.2779901205893, "start_xy": [ 567596.2823771208, 6202192.879598251 ], "end_xy": [ 567594.0722266968, 6202212.757104007 ] }, "max_25m": { "gradient_pct": 16.94989176794752, "start_distance_m": 2071.0, "end_distance_m": 2096.0, "midpoint_distance_m": 2083.5, "start_elevation_m": 1041.829087754047, "end_elevation_m": 1046.0665606960338, "start_xy": [ 569007.0306492896, 6202325.255133627 ], "end_xy": [ 569031.5985809062, 6202329.534634484 ] }, "max_50m": { "gradient_pct": 16.708753423892404, "start_distance_m": 1610.0, "end_distance_m": 1660.0, "midpoint_distance_m": 1635.0, "start_elevation_m": 972.3288815184445, "end_elevation_m": 980.6832582303907, "start_xy": [ 568603.7841662858, 6202217.463506346 ], "end_xy": [ 568642.7599110317, 6202247.852611523 ] }, "max_100m": { "gradient_pct": 15.840916867240367, "start_distance_m": 1597.0, "end_distance_m": 1697.0, "midpoint_distance_m": 1647.0, "start_elevation_m": 970.4162042677337, "end_elevation_m": 986.2571211349741, "start_xy": [ 568595.3760694338, 6202207.555180684 ], "end_xy": [ 568671.60427953, 6202270.378197746 ] } }, "window_minima": { "min_5m": { "gradient_pct": 0.9721118972424847, "start_distance_m": 1407.0, "end_distance_m": 1412.0, "midpoint_distance_m": 1409.5, "start_elevation_m": 946.8886277143396, "end_elevation_m": 946.9372333092017, "start_xy": [ 568437.8808983711, 6202119.275202542 ], "end_xy": [ 568439.1752248773, 6202124.094735654 ] }, "min_10m": { "gradient_pct": 2.618063195694731, "start_distance_m": 1404.0, "end_distance_m": 1414.0, "midpoint_distance_m": 1409.0, "start_elevation_m": 946.7827172673581, "end_elevation_m": 947.0445235869275, "start_xy": [ 568435.184798323, 6202120.021668522 ], "end_xy": [ 568440.0655634501, 6202125.885628511 ] }, "min_20m": { "gradient_pct": 4.2781776574531705, "start_distance_m": 1394.0, "end_distance_m": 1414.0, "midpoint_distance_m": 1404.0, "start_elevation_m": 946.1888880554369, "end_elevation_m": 947.0445235869275, "start_xy": [ 568425.7507721713, 6202123.3381652525 ], "end_xy": [ 568440.0655634501, 6202125.885628511 ] }, "min_25m": { "gradient_pct": 4.5947439685933205, "start_distance_m": 1128.0, "end_distance_m": 1153.0, "midpoint_distance_m": 1140.5, "start_elevation_m": 930.8772735704983, "end_elevation_m": 932.0259595626467, "start_xy": [ 568202.7014421356, 6202266.688501977 ], "end_xy": [ 568221.3442012129, 6202250.031745572 ] }, "min_50m": { "gradient_pct": 4.875618915074938, "start_distance_m": 1108.0, "end_distance_m": 1158.0, "midpoint_distance_m": 1133.0, "start_elevation_m": 929.9031635370968, "end_elevation_m": 932.3409729946343, "start_xy": [ 568190.2585541348, 6202282.334881514 ], "end_xy": [ 568225.0727530284, 6202246.70039429 ] }, "min_100m": { "gradient_pct": 5.2137933186378405, "start_distance_m": 1057.0, "end_distance_m": 1157.0, "midpoint_distance_m": 1107.0, "start_elevation_m": 927.0543337189896, "end_elevation_m": 932.2681270376274, "start_xy": [ 568184.9684535684, 6202331.028459893 ], "end_xy": [ 568224.3270426652, 6202247.366664547 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 31.815436403354624, "start_distance_m": 1.0, "end_distance_m": 3.0, "midpoint_distance_m": 2.0, "start_elevation_m": 857.9273636849119, "end_elevation_m": 858.563672412979, "start_xy": [ 567601.5648003477, 6202150.206748379 ], "end_xy": [ 567601.3084010431, 6202152.190245139 ] }, "max_3m": { "gradient_pct": 31.103189367983457, "start_distance_m": 1.0, "end_distance_m": 4.0, "midpoint_distance_m": 2.5, "start_elevation_m": 857.9273636849119, "end_elevation_m": 858.8604593659514, "start_xy": [ 567601.5648003477, 6202150.206748379 ], "end_xy": [ 567601.1802013908, 6202153.18199352 ] } }, "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": { "texture_suppression": { "masked_fraction": 0.002, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 100.0 ], "windows_unresolved": [], "minima_resited": [ 2.0, 3.0, 5.0 ], "minima_unresolved": [] }, "texture_windows": { "rounds": 1, "windows_masked": [ { "window_m": 5.0, "start_m": 1976.0, "end_m": 1981.0, "raw_pct": 31.99, "reason": "short-step" } ], "advisory": [], "unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.406, "obstruction_max_height_m": 30.23, "flagged_windows_m": [ 2, 3, 5, 25, 50, 100 ] }, "excluded_ranges_m": [ [ 1974.0, 1983.0 ] ], "review": [], "extent": [ "may_start_earlier", "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_E567-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E567-N6203_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E568-N6202_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E568-N6203_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E569-N6202_0m5@22LHD1IR-2025-03-20.tif" ], "calculated_at": "2026-09-20T09:01:35+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": [ "E567-N6202", "E567-N6203", "E568-N6202", "E568-N6203", "E569-N6202" ], "elevation_blocks": [ "22LHD1IR@2025-03-20" ], "ign_dalles": [ "LHD_FXX_0567_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0567_6204_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0568_6203_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0568_6204_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0569_6203_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD1IR" ], "ign_editions": [ "2025-03-20" ], "ign_dsm_edition": { "LHD_FXX_0567_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0567_6204_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0568_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0568_6204_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0569_6203_MNT_O_0M50_LAMB93_IGN69": "2025-03-20" }, "climb_origin": "named-pass", "structure_own_ways": 3, "carriageway": { "stations": 204, "stations_resolved": 204, "width_median_m": 5.0, "width_p10_m": 3.5, "width_min_m": 2.25, "width_max_m": 12.0, "bounded_share": 0.392, "unbounded_share": 0.608, "confidence_median": 0.0, "width_median_bounded_m": 5.25, "window_m": [ 2071.0, 2096.0 ], "width_at_max25_m": 5.5, "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": 204, "stations_resolved": 204, "width_median_m": 3.25, "width_p10_m": 0.5, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.941, "unbounded_share": 0.059, "confidence_median": 1.0, "width_median_bounded_m": 2.88, "window_m": [ 2071.0, 2096.0 ], "width_at_max25_m": 6.25, "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": "Boussenac", "county": "Ari\u00e8ge", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }