{ "ocl_version": "0.1.0", "name": "Col de Murs from Murs", "slug": "col-de-murs-from-murs", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 10.722084399600362, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 3915.0, "end_distance_m": 3917.0, "start_elevation_m": 601.8958999780892, "end_elevation_m": 602.1103416660812, "min_gradient_pct": -7.265490664599383, "suppressed_max_gradient_pct": 181.10133225484333, "suppressed_location_m": [ 3633.0, 3635.0 ], "suppressed_min_gradient_pct": -189.73434238590698, "suppressed_min_location_m": [ 3630.0, 3632.0 ] }, { "window_m": 3.0, "max_gradient_pct": 9.32771887657585, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 3914.0, "end_distance_m": 3917.0, "start_elevation_m": 601.830510099784, "end_elevation_m": 602.1103416660812, "min_gradient_pct": -5.584298459081083, "suppressed_max_gradient_pct": 132.8737532500933, "suppressed_location_m": [ 3632.0, 3635.0 ], "suppressed_min_gradient_pct": -125.6667503759445, "suppressed_min_location_m": [ 3629.0, 3632.0 ] }, { "window_m": 5.0, "max_gradient_pct": 7.949352720589786, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 1731.0, "end_distance_m": 1736.0, "start_elevation_m": 510.31634951724646, "end_elevation_m": 510.71381715327595, "min_gradient_pct": -4.759471063194951, "suppressed_max_gradient_pct": 80.80541839773332, "suppressed_location_m": [ 3632.0, 3637.0 ], "suppressed_min_gradient_pct": -74.14284272315172, "suppressed_min_location_m": [ 3627.0, 3632.0 ] }, { "window_m": 10.0, "max_gradient_pct": 7.662333230480272, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 1726.0, "end_distance_m": 1736.0, "start_elevation_m": 509.9475838302279, "end_elevation_m": 510.71381715327595, "min_gradient_pct": -3.961122933168326, "suppressed_max_gradient_pct": 42.04900837831474, "suppressed_location_m": [ 3632.0, 3642.0 ], "suppressed_min_gradient_pct": -35.615345563692244, "suppressed_min_location_m": [ 3622.0, 3632.0 ] }, { "window_m": 20.0, "max_gradient_pct": 7.125882532424157, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 1717.0, "end_distance_m": 1737.0, "start_elevation_m": 509.35809060981717, "end_elevation_m": 510.783267116302, "min_gradient_pct": -3.9012825298877374, "suppressed_max_gradient_pct": 23.234456298725945, "suppressed_location_m": [ 3632.0, 3652.0 ], "suppressed_min_gradient_pct": -19.187797464927314, "suppressed_min_location_m": [ 1523.0, 1543.0 ] }, { "window_m": 25.0, "max_gradient_pct": 7.017122883541106, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 1712.0, "end_distance_m": 1737.0, "start_elevation_m": 509.0289863954167, "end_elevation_m": 510.783267116302, "min_gradient_pct": -3.790536768073025, "suppressed_max_gradient_pct": 19.343359535785567, "suppressed_location_m": [ 3632.0, 3657.0 ], "suppressed_min_gradient_pct": -16.075705691532903, "suppressed_min_location_m": [ 1518.0, 1543.0 ] }, { "window_m": 50.0, "max_gradient_pct": 6.704206725094764, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 1705.0, "end_distance_m": 1755.0, "start_elevation_m": 508.5625093502885, "end_elevation_m": 511.9146127128359, "min_gradient_pct": -3.128273829579257, "suppressed_max_gradient_pct": 11.069712700227, "suppressed_location_m": [ 3632.0, 3682.0 ], "suppressed_min_gradient_pct": -9.316401730035523, "suppressed_min_location_m": [ 1493.0, 1543.0 ] }, { "window_m": 100.0, "max_gradient_pct": 6.441615113537409, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 1674.0, "end_distance_m": 1774.0, "start_elevation_m": 506.6540481547519, "end_elevation_m": 513.0956632682893, "min_gradient_pct": -1.4495038030554497, "suppressed_max_gradient_pct": 7.138744839775654, "suppressed_location_m": [ 3632.0, 3732.0 ], "suppressed_min_gradient_pct": -4.828478111407378, "suppressed_min_location_m": [ 1443.0, 1543.0 ] } ], "shape": { "ascent_concentration": 0.427, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 13.0, "shape_class": "sustained" }, "length_m": 4798.679588800568, "start_elevation_m": 506.10970908398497, "end_elevation_m": 627.5670995788519, "endpoint_gain_m": 121.4573904948669, "overall_gradient_pct": 2.531058559907419, "accumulated_ascent_m": 141.247359616008, "window_maxima": { "max_5m": { "gradient_pct": 7.949352720589786, "start_distance_m": 1731.0, "end_distance_m": 1736.0, "midpoint_distance_m": 1733.5, "start_elevation_m": 510.31634951724646, "end_elevation_m": 510.71381715327595, "start_xy": [ 879855.040920693, 6321374.746344327 ], "end_xy": [ 879853.500041873, 6321379.502991514 ] }, "max_10m": { "gradient_pct": 7.662333230480272, "start_distance_m": 1726.0, "end_distance_m": 1736.0, "midpoint_distance_m": 1731.0, "start_elevation_m": 509.9475838302279, "end_elevation_m": 510.71381715327595, "start_xy": [ 879856.5817995128, 6321369.98969714 ], "end_xy": [ 879853.500041873, 6321379.502991514 ] }, "max_20m": { "gradient_pct": 7.125882532424157, "start_distance_m": 1717.0, "end_distance_m": 1737.0, "midpoint_distance_m": 1727.0, "start_elevation_m": 509.35809060981717, "end_elevation_m": 510.783267116302, "start_xy": [ 879859.3060994537, 6321361.413444112 ], "end_xy": [ 879853.191866109, 6321380.454320951 ] }, "max_25m": { "gradient_pct": 7.017122883541106, "start_distance_m": 1712.0, "end_distance_m": 1737.0, "midpoint_distance_m": 1724.5, "start_elevation_m": 509.0289863954167, "end_elevation_m": 510.783267116302, "start_xy": [ 879860.5484600123, 6321356.570248861 ], "end_xy": [ 879853.191866109, 6321380.454320951 ] }, "max_50m": { "gradient_pct": 6.704206725094764, "start_distance_m": 1705.0, "end_distance_m": 1755.0, "midpoint_distance_m": 1730.0, "start_elevation_m": 508.5625093502885, "end_elevation_m": 511.9146127128359, "start_xy": [ 879862.2877647942, 6321349.789775508 ], "end_xy": [ 879846.2011722405, 6321396.966765392 ] }, "max_100m": { "gradient_pct": 6.441615113537409, "start_distance_m": 1674.0, "end_distance_m": 1774.0, "midpoint_distance_m": 1724.0, "start_elevation_m": 506.6540481547519, "end_elevation_m": 513.0956632682893, "start_xy": [ 879869.9904002572, 6321319.761964951 ], "end_xy": [ 879841.9817493315, 6321415.489343544 ] } }, "window_minima": { "min_5m": { "gradient_pct": -4.759471063194951, "start_distance_m": 1529.0, "end_distance_m": 1534.0, "midpoint_distance_m": 1531.5, "start_elevation_m": 507.23666983407384, "end_elevation_m": 506.9986962809141, "start_xy": [ 879974.8128941051, 6321243.849034987 ], "end_xy": [ 879974.0191782018, 6321248.774151178 ] }, "min_10m": { "gradient_pct": -3.961122933168326, "start_distance_m": 1597.0, "end_distance_m": 1607.0, "midpoint_distance_m": 1602.0, "start_elevation_m": 505.295026589902, "end_elevation_m": 504.8989142965852, "start_xy": [ 879932.3899937943, 6321294.052003581 ], "end_xy": [ 879924.1862778107, 6321299.720789981 ] }, "min_20m": { "gradient_pct": -3.9012825298877374, "start_distance_m": 1587.0, "end_distance_m": 1607.0, "midpoint_distance_m": 1597.0, "start_elevation_m": 505.67917080256274, "end_elevation_m": 504.8989142965852, "start_xy": [ 879939.5961317776, 6321287.135372705 ], "end_xy": [ 879924.1862778107, 6321299.720789981 ] }, "min_25m": { "gradient_pct": -3.790536768073025, "start_distance_m": 1583.0, "end_distance_m": 1608.0, "midpoint_distance_m": 1595.5, "start_elevation_m": 505.8135506682831, "end_elevation_m": 504.86591647626483, "start_xy": [ 879942.4234902608, 6321284.305877343 ], "end_xy": [ 879923.30387023, 6321300.191275753 ] }, "min_50m": { "gradient_pct": -3.128273829579257, "start_distance_m": 1566.0, "end_distance_m": 1616.0, "midpoint_distance_m": 1591.0, "start_elevation_m": 506.2212519529321, "end_elevation_m": 504.6571150381425, "start_xy": [ 879955.4141257874, 6321273.357384695 ], "end_xy": [ 879915.603439905, 6321301.976631303 ] }, "min_100m": { "gradient_pct": -1.4495038030554497, "start_distance_m": 1435.0, "end_distance_m": 1535.0, "midpoint_distance_m": 1485.0, "start_elevation_m": 508.4090504573545, "end_elevation_m": 506.95954665429906, "start_xy": [ 879954.6607167366, 6321152.161269327 ], "end_xy": [ 879973.8469125648, 6321249.75920171 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 10.722084399600362, "start_distance_m": 3915.0, "end_distance_m": 3917.0, "midpoint_distance_m": 3916.0, "start_elevation_m": 601.8958999780892, "end_elevation_m": 602.1103416660812, "start_xy": [ 878778.4794525134, 6321823.237934667 ], "end_xy": [ 878778.2156221794, 6321825.220456685 ] }, "max_3m": { "gradient_pct": 9.32771887657585, "start_distance_m": 3914.0, "end_distance_m": 3917.0, "midpoint_distance_m": 3915.5, "start_elevation_m": 601.830510099784, "end_elevation_m": 602.1103416660812, "start_xy": [ 878778.6113676804, 6321822.246673658 ], "end_xy": [ 878778.2156221794, 6321825.220456685 ] } }, "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": 0.01, "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": 0.08, "obstruction_max_height_m": 13.73, "flagged_windows_m": [] }, "excluded_ranges_m": [ [ 1536.0, 1550.0 ], [ 3625.0, 3640.0 ], [ 4202.0, 4219.0 ] ], "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-pr2", "road_pbf": "block-batch-fr-pr2.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_E878-N6321_0m5@21LHD7OP-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E878-N6322_0m5@21LHD7OP-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E879-N6319_0m5@21LHD7OP-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E879-N6320_0m5@21LHD7OP-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E879-N6321_0m5@21LHD7OP-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E879-N6322_0m5@21LHD7OP-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E880-N6320_0m5@21LHD7OP-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E880-N6321_0m5@21LHD7OP-2025-03-14.tif" ], "calculated_at": "2026-09-25T09:37:08+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr2.osm.pbf", "osm_snapshot": "", "run_id": "fr-pr2", "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": [ "E878-N6321", "E878-N6322", "E879-N6319", "E879-N6320", "E879-N6321", "E879-N6322", "E880-N6320", "E880-N6321" ], "elevation_blocks": [ "21LHD7OP@2025-03-14" ], "ign_dalles": [ "LHD_FXX_0878_6322_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0878_6323_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0879_6320_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0879_6321_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0879_6322_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0879_6323_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0880_6321_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0880_6322_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD7OP" ], "ign_editions": [ "2025-03-14" ], "ign_dsm_edition": { "LHD_FXX_0878_6322_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0878_6323_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0879_6320_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0879_6321_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0879_6322_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0879_6323_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0880_6321_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0880_6322_MNT_O_0M50_LAMB93_IGN69": "2025-03-14" }, "climb_origin": "named-pass", "structure_own_ways": 8, "structure_mask_ranges_m": [ [ 4208.0, 4214.3 ] ], "mask_basin_extension_m": 1.0, "carriageway": { "stations": 198, "stations_resolved": 198, "width_median_m": 6.0, "width_p10_m": 4.75, "width_min_m": 2.5, "width_max_m": 11.25, "bounded_share": 0.485, "unbounded_share": 0.515, "confidence_median": 0.0, "width_median_bounded_m": 6.25, "window_m": [ 1712.0, 1737.0 ], "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": 198, "stations_resolved": 198, "width_median_m": 7.5, "width_p10_m": 2.93, "width_min_m": 0.75, "width_max_m": 12.0, "bounded_share": 0.773, "unbounded_share": 0.227, "confidence_median": 1.0, "width_median_bounded_m": 7.25, "window_m": [ 1712.0, 1737.0 ], "width_at_max25_m": 6.5, "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": "Murs", "county": "Vaucluse", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }