{ "ocl_version": "0.1.0", "name": "Discovered lane (45.5010, 3.8735)", "slug": "discovered-lane-45-5010-3-8735", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 31.135282308230217, "diagnostic": true, "flags": [ "no_bench_excluded", "no_bench_excluded_min" ], "start_distance_m": 3291.0, "end_distance_m": 3293.0, "start_elevation_m": 1086.5210850538003, "end_elevation_m": 1087.143790699965, "min_gradient_pct": -16.711523259266414, "suppressed_max_gradient_pct": 31.654319788526664, "suppressed_location_m": [ 3290.0, 3292.0 ], "suppressed_min_gradient_pct": -23.388648744128204, "suppressed_min_location_m": [ 3243.0, 3245.0 ] }, { "window_m": 3.0, "max_gradient_pct": 25.957264431303884, "diagnostic": true, "flags": [ "no_bench_excluded", "no_bench_excluded_min" ], "start_distance_m": 3291.0, "end_distance_m": 3294.0, "start_elevation_m": 1086.5210850538003, "end_elevation_m": 1087.2998029867395, "min_gradient_pct": -10.132237957327561, "suppressed_max_gradient_pct": 29.28521500826567, "suppressed_location_m": [ 3290.0, 3293.0 ], "suppressed_min_gradient_pct": -19.785598846162127, "suppressed_min_location_m": [ 3243.0, 3246.0 ] }, { "window_m": 5.0, "max_gradient_pct": 22.840876869131534, "diagnostic": false, "flags": [ "no_bench_excluded", "no_bench_excluded_min" ], "start_distance_m": 3291.0, "end_distance_m": 3296.0, "start_elevation_m": 1086.5210850538003, "end_elevation_m": 1087.663128897257, "min_gradient_pct": -6.145890594818866, "suppressed_max_gradient_pct": 27.11497152003176, "suppressed_location_m": [ 3288.0, 3293.0 ], "suppressed_min_gradient_pct": -14.013214476958638, "suppressed_min_location_m": [ 3243.0, 3248.0 ] }, { "window_m": 10.0, "max_gradient_pct": 15.89697830498153, "diagnostic": false, "flags": [ "no_bench_excluded", "no_bench_excluded_min", "texture_excluded" ], "start_distance_m": 7450.0, "end_distance_m": 7460.0, "start_elevation_m": 1206.3654614270713, "end_elevation_m": 1207.9551592575694, "min_gradient_pct": -4.034627182886652, "suppressed_max_gradient_pct": 25.69399363075263, "suppressed_location_m": [ 3282.0, 3292.0 ], "suppressed_min_gradient_pct": -10.568409354154937, "suppressed_min_location_m": [ 3243.0, 3253.0 ] }, { "window_m": 20.0, "max_gradient_pct": 15.20512471203915, "diagnostic": false, "flags": [ "no_bench_excluded", "no_bench_excluded_min", "texture_excluded" ], "start_distance_m": 7440.0, "end_distance_m": 7460.0, "start_elevation_m": 1204.9141343151616, "end_elevation_m": 1207.9551592575694, "min_gradient_pct": -3.894118943923104, "suppressed_max_gradient_pct": 20.173287857625155, "suppressed_location_m": [ 3277.0, 3297.0 ], "suppressed_min_gradient_pct": -7.872517252136504, "suppressed_min_location_m": [ 3242.0, 3262.0 ] }, { "window_m": 25.0, "max_gradient_pct": 14.72493145289809, "diagnostic": false, "flags": [ "no_bench_excluded_min", "texture_excluded" ], "start_distance_m": 7435.0, "end_distance_m": 7460.0, "start_elevation_m": 1204.273926394345, "end_elevation_m": 1207.9551592575694, "min_gradient_pct": -3.843924525451257, "suppressed_max_gradient_pct": 18.145570306995978, "suppressed_location_m": [ 489.0, 514.0 ], "suppressed_min_gradient_pct": -6.199004684257488, "suppressed_min_location_m": [ 3239.0, 3264.0 ] }, { "window_m": 50.0, "max_gradient_pct": 12.671910126895, "diagnostic": false, "flags": [ "texture_excluded" ], "start_distance_m": 7412.0, "end_distance_m": 7462.0, "start_elevation_m": 1201.7899721709052, "end_elevation_m": 1208.1259272343527, "min_gradient_pct": -3.52849408679549, "suppressed_max_gradient_pct": 15.31585221240175, "suppressed_location_m": [ 474.0, 524.0 ] }, { "window_m": 100.0, "max_gradient_pct": 10.817381068274699, "diagnostic": false, "flags": [ "texture_excluded" ], "start_distance_m": 322.0, "end_distance_m": 422.0, "start_elevation_m": 926.6827231029379, "end_elevation_m": 937.5001041712126, "min_gradient_pct": -3.050054231686545, "suppressed_max_gradient_pct": 11.693289987476874, "suppressed_location_m": [ 430.0, 530.0 ] } ], "shape": { "ascent_concentration": 0.365, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 78.0, "shape_class": "sustained" }, "length_m": 7462.837942531397, "start_elevation_m": 907.537848057616, "end_elevation_m": 1208.2065307983637, "endpoint_gain_m": 300.6686827407477, "overall_gradient_pct": 4.028878625746505, "accumulated_ascent_m": 319.19905953951127, "window_maxima": { "max_5m": { "gradient_pct": 22.840876869131534, "start_distance_m": 3291.0, "end_distance_m": 3296.0, "midpoint_distance_m": 3293.5, "start_elevation_m": 1086.5210850538003, "end_elevation_m": 1087.663128897257, "start_xy": [ 768325.7561325209, 6489335.741690049 ], "end_xy": [ 768320.8562926494, 6489336.59314062 ] }, "max_10m": { "gradient_pct": 15.89697830498153, "start_distance_m": 7450.0, "end_distance_m": 7460.0, "midpoint_distance_m": 7455.0, "start_elevation_m": 1206.3654614270713, "end_elevation_m": 1207.9551592575694, "start_xy": [ 766478.6868112703, 6490719.390898441 ], "end_xy": [ 766486.7723660268, 6490725.275097985 ] }, "max_20m": { "gradient_pct": 15.20512471203915, "start_distance_m": 7440.0, "end_distance_m": 7460.0, "midpoint_distance_m": 7450.0, "start_elevation_m": 1204.9141343151616, "end_elevation_m": 1207.9551592575694, "start_xy": [ 766470.601256514, 6490713.506698896 ], "end_xy": [ 766486.7723660268, 6490725.275097985 ] }, "max_25m": { "gradient_pct": 14.72493145289809, "start_distance_m": 7435.0, "end_distance_m": 7460.0, "midpoint_distance_m": 7447.5, "start_elevation_m": 1204.273926394345, "end_elevation_m": 1207.9551592575694, "start_xy": [ 766466.5584791357, 6490710.564599124 ], "end_xy": [ 766486.7723660268, 6490725.275097985 ] }, "max_50m": { "gradient_pct": 12.671910126895, "start_distance_m": 7412.0, "end_distance_m": 7462.0, "midpoint_distance_m": 7437.0, "start_elevation_m": 1201.7899721709052, "end_elevation_m": 1208.1259272343527, "start_xy": [ 766447.9600779238, 6490697.033173864 ], "end_xy": [ 766488.389476978, 6490726.451937894 ] }, "max_100m": { "gradient_pct": 10.817381068274699, "start_distance_m": 322.0, "end_distance_m": 422.0, "midpoint_distance_m": 372.0, "start_elevation_m": 926.6827231029379, "end_elevation_m": 937.5001041712126, "start_xy": [ 769870.5201591218, 6487952.586216185 ], "end_xy": [ 769920.409458143, 6488037.1504387325 ] } }, "window_minima": { "min_5m": { "gradient_pct": -6.145890594818866, "start_distance_m": 1616.0, "end_distance_m": 1621.0, "midpoint_distance_m": 1618.5, "start_elevation_m": 1004.1301715268538, "end_elevation_m": 1003.8228769971129, "start_xy": [ 769321.9866895674, 6488363.676708867 ], "end_xy": [ 769317.5848873471, 6488361.30518252 ] }, "min_10m": { "gradient_pct": -4.034627182886652, "start_distance_m": 6181.0, "end_distance_m": 6191.0, "midpoint_distance_m": 6186.0, "start_elevation_m": 1154.2888893165655, "end_elevation_m": 1153.8854265982768, "start_xy": [ 766756.9434031723, 6490052.869078306 ], "end_xy": [ 766758.4924671872, 6490062.748369812 ] }, "min_20m": { "gradient_pct": -3.894118943923104, "start_distance_m": 6176.0, "end_distance_m": 6196.0, "midpoint_distance_m": 6186.0, "start_elevation_m": 1154.4738759068262, "end_elevation_m": 1153.6950521180415, "start_xy": [ 766756.1688711648, 6490047.929432551 ], "end_xy": [ 766759.2669991947, 6490067.688015565 ] }, "min_25m": { "gradient_pct": -3.843924525451257, "start_distance_m": 6172.0, "end_distance_m": 6197.0, "midpoint_distance_m": 6184.5, "start_elevation_m": 1154.6281354041541, "end_elevation_m": 1153.6671542727913, "start_xy": [ 766755.4983730674, 6490043.98812948 ], "end_xy": [ 766759.4219055963, 6490068.675944716 ] }, "min_50m": { "gradient_pct": -3.52849408679549, "start_distance_m": 6172.0, "end_distance_m": 6222.0, "midpoint_distance_m": 6197.0, "start_elevation_m": 1154.6281354041541, "end_elevation_m": 1152.8638883607564, "start_xy": [ 766755.4983730674, 6490043.98812948 ], "end_xy": [ 766763.1624894447, 6490093.391510897 ] }, "min_100m": { "gradient_pct": -3.050054231686545, "start_distance_m": 6143.0, "end_distance_m": 6243.0, "midpoint_distance_m": 6193.0, "start_elevation_m": 1155.373253544417, "end_elevation_m": 1152.3231993127304, "start_xy": [ 766748.3718273187, 6490015.877413629 ], "end_xy": [ 766765.3741177212, 6490114.274726654 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 31.135282308230217, "start_distance_m": 3291.0, "end_distance_m": 3293.0, "midpoint_distance_m": 3292.0, "start_elevation_m": 1086.5210850538003, "end_elevation_m": 1087.143790699965, "start_xy": [ 768325.7561325209, 6489335.741690049 ], "end_xy": [ 768323.7725614635, 6489335.997513935 ] }, "max_3m": { "gradient_pct": 25.957264431303884, "start_distance_m": 3291.0, "end_distance_m": 3294.0, "midpoint_distance_m": 3292.5, "start_elevation_m": 1086.5210850538003, "end_elevation_m": 1087.2998029867395, "start_xy": [ 768325.7561325209, 6489335.741690049 ], "end_xy": [ 768322.7807759348, 6489336.125425878 ] } }, "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": { "no_bench_suppression": { "masked_fraction": 0.026, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0 ], "windows_unresolved": [], "minima_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0 ], "minima_unresolved": [] }, "texture_suppression": { "masked_fraction": 0.03, "windows_resited": [ 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "texture_windows": { "rounds": 1, "windows_masked": [ { "window_m": 25.0, "start_m": 489.0, "end_m": 514.0, "raw_pct": 18.15, "reason": "hump" }, { "window_m": 20.0, "start_m": 495.0, "end_m": 515.0, "raw_pct": 18.49, "reason": "hump" } ], "advisory": [], "unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.133, "obstruction_max_height_m": 30.08, "flagged_windows_m": [] }, "excluded_ranges_m": [ [ 487.0, 517.0 ], [ 1580.0, 1610.0 ], [ 1840.0, 1920.0 ], [ 3210.0, 3290.0 ] ], "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "1cc9fdcd6556a02163cb21acb2293cad3067d2a1", "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-mc6", "road_pbf": "block-batch-fr-mc6.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:af4eae1f5df9e232" }, "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_E766-N6489_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E766-N6490_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E767-N6489_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E767-N6490_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E768-N6488_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E768-N6489_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E768-N6490_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E769-N6487_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E769-N6488_0m5@22LHD4ML-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E769-N6489_0m5@22LHD4ML-2025-09-15.tif" ], "calculated_at": "2026-09-22T15:22:54+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc6.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc6", "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": [ "E766-N6489", "E766-N6490", "E767-N6489", "E767-N6490", "E768-N6488", "E768-N6489", "E768-N6490", "E769-N6487", "E769-N6488", "E769-N6489" ], "elevation_blocks": [ "22LHD4ML@2025-09-15" ], "ign_dalles": [ "LHD_FXX_0766_6490_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0766_6491_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0767_6490_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0767_6491_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0768_6489_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0768_6490_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0768_6491_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0769_6488_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0769_6489_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0769_6490_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD4ML" ], "ign_editions": [ "2025-09-15" ], "ign_dsm_edition": { "LHD_FXX_0766_6490_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0766_6491_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0767_6490_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0767_6491_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0768_6489_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0768_6490_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0768_6491_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0769_6488_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0769_6489_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0769_6490_MNT_O_0M50_LAMB93_IGN69": "2025-09-15" }, "climb_origin": "named-pass", "structure_own_ways": 9, "carriageway": { "stations": 304, "stations_resolved": 304, "width_median_m": 5.5, "width_p10_m": 4.25, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.303, "unbounded_share": 0.697, "confidence_median": 0.0, "width_median_bounded_m": 5.62, "window_m": [ 7435.0, 7460.0 ], "width_at_max25_m": 5.62, "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": 304, "stations_resolved": 304, "width_median_m": 7.25, "width_p10_m": 1.25, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.75, "unbounded_share": 0.25, "confidence_median": 1.0, "width_median_bounded_m": 5.75, "window_m": [ 7435.0, 7460.0 ], "width_at_max25_m": 6.38, "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": "Saint-Romain", "county": "Puy-de-D\u00f4me", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }