{ "ocl_version": "0.1.0", "name": "Discovered lane (48.4412, 7.3124)", "slug": "discovered-lane-48-4412-7-3124", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 36.792463693885225, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1116.0, "end_distance_m": 1118.0, "start_elevation_m": 451.4246528903487, "end_elevation_m": 452.1605021642264, "min_gradient_pct": -41.96432519993323, "suppressed_max_gradient_pct": 73.6172544561498, "suppressed_location_m": [ 7710.0, 7712.0 ], "suppressed_min_gradient_pct": -116.97474078276286, "suppressed_min_location_m": [ 7704.0, 7706.0 ] }, { "window_m": 3.0, "max_gradient_pct": 22.41632289734336, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1111.0, "end_distance_m": 1114.0, "start_elevation_m": 451.59144970742705, "end_elevation_m": 452.26393939434735, "min_gradient_pct": -19.261851529989826, "suppressed_max_gradient_pct": 71.73913662951084, "suppressed_location_m": [ 7710.0, 7713.0 ], "suppressed_min_gradient_pct": -89.4453298316724, "suppressed_min_location_m": [ 7704.0, 7707.0 ] }, { "window_m": 5.0, "max_gradient_pct": 16.142577031273504, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded", "texture_excluded" ], "start_distance_m": 7850.0, "end_distance_m": 7855.0, "start_elevation_m": 785.6340797219652, "end_elevation_m": 786.4412085735289, "min_gradient_pct": -15.024463808288147, "suppressed_max_gradient_pct": 66.29051358544984, "suppressed_location_m": [ 7710.0, 7715.0 ], "suppressed_min_gradient_pct": -58.01132780370608, "suppressed_min_location_m": [ 7703.0, 7708.0 ] }, { "window_m": 10.0, "max_gradient_pct": 13.253981991044839, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded" ], "start_distance_m": 7849.0, "end_distance_m": 7859.0, "start_elevation_m": 785.5132127792074, "end_elevation_m": 786.8386109783119, "min_gradient_pct": -10.788235706173168, "suppressed_max_gradient_pct": 41.26958287381058, "suppressed_location_m": [ 7709.0, 7719.0 ], "suppressed_min_gradient_pct": -25.14022137451093, "suppressed_min_location_m": [ 7699.0, 7709.0 ] }, { "window_m": 20.0, "max_gradient_pct": 10.938524769507012, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded" ], "start_distance_m": 7849.0, "end_distance_m": 7869.0, "start_elevation_m": 785.5132127792074, "end_elevation_m": 787.7009177331088, "min_gradient_pct": -6.103236229104425, "suppressed_max_gradient_pct": 24.778590265188996, "suppressed_location_m": [ 7709.0, 7729.0 ], "suppressed_min_gradient_pct": -8.887876760560403, "suppressed_min_location_m": [ 7689.0, 7709.0 ] }, { "window_m": 25.0, "max_gradient_pct": 10.163859167998908, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded" ], "start_distance_m": 7849.0, "end_distance_m": 7874.0, "start_elevation_m": 785.5132127792074, "end_elevation_m": 788.0541775712071, "min_gradient_pct": -4.960610928908864, "suppressed_max_gradient_pct": 21.32327792327669, "suppressed_location_m": [ 7709.0, 7734.0 ], "suppressed_min_gradient_pct": -5.590724718592355, "suppressed_min_location_m": [ 7684.0, 7709.0 ] }, { "window_m": 50.0, "max_gradient_pct": 9.701959222095866, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 7624.0, "end_distance_m": 7674.0, "start_elevation_m": 767.3580297097969, "end_elevation_m": 772.2090093208449, "min_gradient_pct": 0.10189514122532728, "suppressed_max_gradient_pct": 14.118060537793554, "suppressed_location_m": [ 7709.0, 7759.0 ] }, { "window_m": 100.0, "max_gradient_pct": 9.285752991901745, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 7580.0, "end_distance_m": 7680.0, "start_elevation_m": 763.4780108529935, "end_elevation_m": 772.7637638448953, "min_gradient_pct": 0.953272379943769, "suppressed_max_gradient_pct": 12.809522120552742, "suppressed_location_m": [ 7708.0, 7808.0 ] } ], "shape": { "ascent_concentration": 0.353, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 31.0, "shape_class": "sustained" }, "length_m": 10549.597227607457, "start_elevation_m": 407.18925541040124, "end_elevation_m": 951.6679366552803, "endpoint_gain_m": 544.478681244879, "overall_gradient_pct": 5.1611324062687585, "accumulated_ascent_m": 554.9100355034311, "window_maxima": { "max_5m": { "gradient_pct": 16.142577031273504, "start_distance_m": 7850.0, "end_distance_m": 7855.0, "midpoint_distance_m": 7852.5, "start_elevation_m": 785.6340797219652, "end_elevation_m": 786.4412085735289, "start_xy": [ 1018810.0395760374, 6824383.687733113 ], "end_xy": [ 1018814.3867915153, 6824386.157898611 ] }, "max_10m": { "gradient_pct": 13.253981991044839, "start_distance_m": 7849.0, "end_distance_m": 7859.0, "midpoint_distance_m": 7854.0, "start_elevation_m": 785.5132127792074, "end_elevation_m": 786.8386109783119, "start_xy": [ 1018809.1701329419, 6824383.193700013 ], "end_xy": [ 1018817.8645638976, 6824388.13403101 ] }, "max_20m": { "gradient_pct": 10.938524769507012, "start_distance_m": 7849.0, "end_distance_m": 7869.0, "midpoint_distance_m": 7859.0, "start_elevation_m": 785.5132127792074, "end_elevation_m": 787.7009177331088, "start_xy": [ 1018809.1701329419, 6824383.193700013 ], "end_xy": [ 1018826.5589948532, 6824393.074362006 ] }, "max_25m": { "gradient_pct": 10.163859167998908, "start_distance_m": 7849.0, "end_distance_m": 7874.0, "midpoint_distance_m": 7861.5, "start_elevation_m": 785.5132127792074, "end_elevation_m": 788.0541775712071, "start_xy": [ 1018809.1701329419, 6824383.193700013 ], "end_xy": [ 1018830.906210331, 6824395.544527505 ] }, "max_50m": { "gradient_pct": 9.701959222095866, "start_distance_m": 7624.0, "end_distance_m": 7674.0, "midpoint_distance_m": 7649.0, "start_elevation_m": 767.3580297097969, "end_elevation_m": 772.2090093208449, "start_xy": [ 1018644.4568869815, 6824398.2782947 ], "end_xy": [ 1018660.4361508354, 6824352.632427573 ] }, "max_100m": { "gradient_pct": 9.285752991901745, "start_distance_m": 7580.0, "end_distance_m": 7680.0, "midpoint_distance_m": 7630.0, "start_elevation_m": 763.4780108529935, "end_elevation_m": 772.7637638448953, "start_xy": [ 1018646.9816200774, 6824442.185735824 ], "end_xy": [ 1018664.403918284, 6824348.163183967 ] } }, "window_minima": { "min_5m": { "gradient_pct": -15.024463808288147, "start_distance_m": 1125.0, "end_distance_m": 1130.0, "midpoint_distance_m": 1127.5, "start_elevation_m": 452.18707604158305, "end_elevation_m": 451.43585285116865, "start_xy": [ 1019799.1522760933, 6830082.577755471 ], "end_xy": [ 1019794.3426692074, 6830081.21112399 ] }, "min_10m": { "gradient_pct": -10.788235706173168, "start_distance_m": 1122.0, "end_distance_m": 1132.0, "midpoint_distance_m": 1127.0, "start_elevation_m": 452.3219721122576, "end_elevation_m": 451.24314854164027, "start_xy": [ 1019802.0380402248, 6830083.397734359 ], "end_xy": [ 1019792.4188264529, 6830080.664471398 ] }, "min_20m": { "gradient_pct": -6.103236229104425, "start_distance_m": 1124.0, "end_distance_m": 1144.0, "midpoint_distance_m": 1134.0, "start_elevation_m": 452.19009055767975, "end_elevation_m": 450.96944331185887, "start_xy": [ 1019800.1141974705, 6830082.851081766 ], "end_xy": [ 1019780.8757699267, 6830077.3845558455 ] }, "min_25m": { "gradient_pct": -4.960610928908864, "start_distance_m": 1118.0, "end_distance_m": 1143.0, "midpoint_distance_m": 1130.5, "start_elevation_m": 452.1605021642264, "end_elevation_m": 450.92034943199917, "start_xy": [ 1019805.8857257336, 6830084.4910395425 ], "end_xy": [ 1019781.8376913039, 6830077.657882142 ] }, "min_50m": { "gradient_pct": 0.10189514122532728, "start_distance_m": 1114.0, "end_distance_m": 1164.0, "midpoint_distance_m": 1139.0, "start_elevation_m": 452.26393939434735, "end_elevation_m": 452.31488696496, "start_xy": [ 1019809.7334112424, 6830085.584344727 ], "end_xy": [ 1019761.637342383, 6830071.918029925 ] }, "min_100m": { "gradient_pct": 0.953272379943769, "start_distance_m": 3.0, "end_distance_m": 103.0, "midpoint_distance_m": 53.0, "start_elevation_m": 407.2711958042049, "end_elevation_m": 408.2244681841487, "start_xy": [ 1020848.5292406302, 6830077.292568105 ], "end_xy": [ 1020771.5217581104, 6830136.498127939 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 36.792463693885225, "start_distance_m": 1116.0, "end_distance_m": 1118.0, "midpoint_distance_m": 1117.0, "start_elevation_m": 451.4246528903487, "end_elevation_m": 452.1605021642264, "start_xy": [ 1019807.8095684879, 6830085.037692135 ], "end_xy": [ 1019805.8857257336, 6830084.4910395425 ] }, "max_3m": { "gradient_pct": 22.41632289734336, "start_distance_m": 1111.0, "end_distance_m": 1114.0, "midpoint_distance_m": 1112.5, "start_elevation_m": 451.59144970742705, "end_elevation_m": 452.26393939434735, "start_xy": [ 1019812.6191753739, 6830086.404323615 ], "end_xy": [ 1019809.7334112424, 6830085.584344727 ] } }, "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": 0.001, "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 ], "minima_unresolved": [] }, "texture_suppression": { "masked_fraction": 0.006, "windows_resited": [ 3.0, 5.0 ], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "texture_windows": { "rounds": 2, "windows_masked": [ { "window_m": 25.0, "start_m": 7789.0, "end_m": 7814.0, "raw_pct": 17.73, "reason": "hump" }, { "window_m": 20.0, "start_m": 7788.0, "end_m": 7808.0, "raw_pct": 19.04, "reason": "hump" }, { "window_m": 5.0, "start_m": 1102.0, "end_m": 1107.0, "raw_pct": 27.66, "reason": "short-step" }, { "window_m": 5.0, "start_m": 7817.0, "end_m": 7822.0, "raw_pct": 19.86, "reason": "mask-edge" } ], "advisory": [], "unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.186, "obstruction_max_height_m": 30.18, "flagged_windows_m": [ 2, 3, 50, 100 ] }, "excluded_ranges_m": [ [ 1100.0, 1109.0 ], [ 7702.0, 7716.0 ], [ 7786.0, 7824.0 ] ], "review": [], "extent": [] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "686aca469eafb5c6deda431acc2396d659a613ab", "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-vosges", "road_pbf": "block-batch-fr-vosges.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": "sha256:3827be8f439ab5f4" }, "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_E1018-N6822_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1018-N6823_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1018-N6824_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1018-N6825_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1018-N6826_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1018-N6827_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1018-N6828_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1018-N6829_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6822_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6823_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6824_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6825_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6826_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6827_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6828_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6829_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1019-N6830_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1020-N6823_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1020-N6824_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1020-N6829_0m5@22LHDVosgesRF-2024-12-20.tif", "data/cache/fr/ign-lidarhd_dtm_E1020-N6830_0m5@22LHDVosgesRF-2024-12-20.tif" ], "calculated_at": "2026-09-19T23:17:44+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-vosges.osm.pbf", "osm_snapshot": "", "run_id": "fr-vosges", "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": [ "E1018-N6822", "E1018-N6823", "E1018-N6824", "E1018-N6825", "E1018-N6826", "E1018-N6827", "E1018-N6828", "E1018-N6829", "E1019-N6822", "E1019-N6823", "E1019-N6824", "E1019-N6825", "E1019-N6826", "E1019-N6827", "E1019-N6828", "E1019-N6829", "E1019-N6830", "E1020-N6823", "E1020-N6824", "E1020-N6829", "E1020-N6830" ], "elevation_blocks": [ "22LHDVosgesRF@2024-12-20" ], "ign_dalles": [ "LHD_FXX_1018_6823_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1018_6824_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1018_6825_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1018_6826_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1018_6827_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1018_6828_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1018_6829_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1018_6830_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6823_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6824_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6825_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6826_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6827_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6828_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6829_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6830_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1019_6831_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1020_6824_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1020_6825_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1020_6830_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_1020_6831_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHDVosgesRF" ], "ign_editions": [ "2024-12-20" ], "ign_dsm_edition": { "LHD_FXX_1018_6823_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1018_6824_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1018_6825_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1018_6826_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1018_6827_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1018_6828_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1018_6829_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1018_6830_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6823_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6824_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6825_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6826_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6827_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6828_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6829_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6830_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1019_6831_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1020_6824_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1020_6825_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1020_6830_MNT_O_0M50_LAMB93_IGN69": "2024-12-20", "LHD_FXX_1020_6831_MNT_O_0M50_LAMB93_IGN69": "2024-12-20" }, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked", "carriageway": { "stations": 428, "stations_resolved": 428, "width_median_m": 7.0, "width_p10_m": 4.75, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.32, "unbounded_share": 0.68, "confidence_median": 0.0, "width_median_bounded_m": 6.5, "window_m": [ 7849.0, 7874.0 ], "width_at_max25_m": 5.75, "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": 428, "stations_resolved": 428, "width_median_m": 7.25, "width_p10_m": 0.75, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.759, "unbounded_share": 0.241, "confidence_median": 1.0, "width_median_bounded_m": 5.75, "window_m": [ 7849.0, 7874.0 ], "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": "Rosheim", "county": "Bas-Rhin", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }