{ "ocl_version": "0.1.0", "name": "Discovered lane (43.6734, 3.2065)", "slug": "discovered-lane-43-6734-3-2065", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 29.191619585759554, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded" ], "start_distance_m": 3621.0, "end_distance_m": 3623.0, "start_elevation_m": 409.28138041510584, "end_elevation_m": 409.86521280682103, "min_gradient_pct": -53.19251130407565, "suppressed_max_gradient_pct": 172.3977489189508, "suppressed_location_m": [ 2491.0, 2493.0 ], "suppressed_min_gradient_pct": -191.48300059580947, "suppressed_min_location_m": [ 2487.0, 2489.0 ] }, { "window_m": 3.0, "max_gradient_pct": 28.906777069573764, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded" ], "start_distance_m": 3621.0, "end_distance_m": 3624.0, "start_elevation_m": 409.28138041510584, "end_elevation_m": 410.14858372719306, "min_gradient_pct": -51.81201111174308, "suppressed_max_gradient_pct": 149.6382396866295, "suppressed_location_m": [ 2490.0, 2493.0 ], "suppressed_min_gradient_pct": -137.95563193907205, "suppressed_min_location_m": [ 2487.0, 2490.0 ] }, { "window_m": 5.0, "max_gradient_pct": 27.836718582753974, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "texture_excluded" ], "start_distance_m": 3620.0, "end_distance_m": 3625.0, "start_elevation_m": 409.012401642249, "end_elevation_m": 410.4042375713867, "min_gradient_pct": -31.27765273947034, "suppressed_max_gradient_pct": 92.43655342716465, "suppressed_location_m": [ 2490.0, 2495.0 ], "suppressed_min_gradient_pct": -81.06925020256199, "suppressed_min_location_m": [ 2485.0, 2490.0 ] }, { "window_m": 10.0, "max_gradient_pct": 27.444798841526676, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 3614.0, "end_distance_m": 3624.0, "start_elevation_m": 407.4041038430404, "end_elevation_m": 410.14858372719306, "min_gradient_pct": -14.568648070696781, "suppressed_max_gradient_pct": 66.13246878849282, "suppressed_location_m": [ 3569.0, 3579.0 ], "suppressed_min_gradient_pct": -37.995622609633415, "suppressed_min_location_m": [ 2480.0, 2490.0 ] }, { "window_m": 20.0, "max_gradient_pct": 26.61097764104511, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 3605.0, "end_distance_m": 3625.0, "start_elevation_m": 405.0820420431777, "end_elevation_m": 410.4042375713867, "min_gradient_pct": -6.137672151419906, "suppressed_max_gradient_pct": 44.7236251806558, "suppressed_location_m": [ 3569.0, 3589.0 ], "suppressed_min_gradient_pct": -18.070729234681835, "suppressed_min_location_m": [ 622.0, 642.0 ] }, { "window_m": 25.0, "max_gradient_pct": 25.395418554446906, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 3601.0, "end_distance_m": 3626.0, "start_elevation_m": 404.2705345871896, "end_elevation_m": 410.61938922580134, "min_gradient_pct": -4.500634297098259, "suppressed_max_gradient_pct": 40.58209046367574, "suppressed_location_m": [ 3569.0, 3594.0 ], "suppressed_min_gradient_pct": -14.261202398761725, "suppressed_min_location_m": [ 617.0, 642.0 ] }, { "window_m": 50.0, "max_gradient_pct": 22.917381337072925, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "canopy_or_structure" ], "start_distance_m": 3579.0, "end_distance_m": 3629.0, "start_elevation_m": 399.434407401161, "end_elevation_m": 410.8930980696975, "min_gradient_pct": -1.1574750896793375, "suppressed_max_gradient_pct": 31.875800647866868, "suppressed_location_m": [ 3569.0, 3619.0 ], "suppressed_min_gradient_pct": -6.5434407413793, "suppressed_min_location_m": [ 1855.0, 1905.0 ] }, { "window_m": 100.0, "max_gradient_pct": 16.379214969494228, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 3579.0, "end_distance_m": 3679.0, "start_elevation_m": 399.434407401161, "end_elevation_m": 415.81362237065525, "min_gradient_pct": 0.5444379535249482, "suppressed_max_gradient_pct": 22.17686213298282, "suppressed_location_m": [ 3549.0, 3649.0 ], "suppressed_min_gradient_pct": -2.936507149705278, "suppressed_min_location_m": [ 1805.0, 1905.0 ] } ], "shape": { "ascent_concentration": 0.389, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 179.0, "shape_class": "sustained" }, "length_m": 5632.341257187981, "start_elevation_m": 247.78178616686958, "end_elevation_m": 584.6993896328165, "endpoint_gain_m": 336.91760346594697, "overall_gradient_pct": 5.981839311245097, "accumulated_ascent_m": 374.68554417451594, "window_maxima": { "max_5m": { "gradient_pct": 27.836718582753974, "start_distance_m": 3620.0, "end_distance_m": 3625.0, "midpoint_distance_m": 3622.5, "start_elevation_m": 409.012401642249, "end_elevation_m": 410.4042375713867, "start_xy": [ 716994.8897618592, 6285545.691409679 ], "end_xy": [ 716993.2304922907, 6285550.386944354 ] }, "max_10m": { "gradient_pct": 27.444798841526676, "start_distance_m": 3614.0, "end_distance_m": 3624.0, "midpoint_distance_m": 3619.0, "start_elevation_m": 407.4041038430404, "end_elevation_m": 410.14858372719306, "start_xy": [ 716996.582759803, 6285539.93521667 ], "end_xy": [ 716993.6995593728, 6285549.503781813 ] }, "max_20m": { "gradient_pct": 26.61097764104511, "start_distance_m": 3605.0, "end_distance_m": 3625.0, "midpoint_distance_m": 3615.0, "start_elevation_m": 405.0820420431777, "end_elevation_m": 410.4042375713867, "start_xy": [ 716999.2741909297, 6285531.347777213 ], "end_xy": [ 716993.2304922907, 6285550.386944354 ] }, "max_25m": { "gradient_pct": 25.395418554446906, "start_distance_m": 3601.0, "end_distance_m": 3626.0, "midpoint_distance_m": 3613.5, "start_elevation_m": 404.2705345871896, "end_elevation_m": 410.61938922580134, "start_xy": [ 717000.6759462652, 6285527.610576398 ], "end_xy": [ 716992.7614252085, 6285551.270106894 ] }, "max_50m": { "gradient_pct": 22.917381337072925, "start_distance_m": 3579.0, "end_distance_m": 3629.0, "midpoint_distance_m": 3604.0, "start_elevation_m": 399.434407401161, "end_elevation_m": 410.8930980696975, "start_xy": [ 717007.417273825, 6285508.394151173 ], "end_xy": [ 716991.354223962, 6285553.919594514 ] }, "max_100m": { "gradient_pct": 16.379214969494228, "start_distance_m": 3579.0, "end_distance_m": 3679.0, "midpoint_distance_m": 3629.0, "start_elevation_m": 399.434407401161, "end_elevation_m": 415.81362237065525, "start_xy": [ 717007.417273825, 6285508.394151173 ], "end_xy": [ 716961.829322204, 6285591.741990226 ] } }, "window_minima": { "min_5m": { "gradient_pct": -31.27765273947034, "start_distance_m": 813.0, "end_distance_m": 818.0, "midpoint_distance_m": 815.5, "start_elevation_m": 268.12928280167046, "end_elevation_m": 266.56540016469694, "start_xy": [ 715190.2523404396, 6285113.536807689 ], "end_xy": [ 715194.2646621561, 6285110.553307322 ] }, "min_10m": { "gradient_pct": -14.568648070696781, "start_distance_m": 808.0, "end_distance_m": 818.0, "midpoint_distance_m": 813.0, "start_elevation_m": 268.0222649717666, "end_elevation_m": 266.56540016469694, "start_xy": [ 715186.240018723, 6285116.520308057 ], "end_xy": [ 715194.2646621561, 6285110.553307322 ] }, "min_20m": { "gradient_pct": -6.137672151419906, "start_distance_m": 798.0, "end_distance_m": 818.0, "midpoint_distance_m": 808.0, "start_elevation_m": 267.7929345949809, "end_elevation_m": 266.56540016469694, "start_xy": [ 715178.2153752899, 6285122.487308792 ], "end_xy": [ 715194.2646621561, 6285110.553307322 ] }, "min_25m": { "gradient_pct": -4.500634297098259, "start_distance_m": 793.0, "end_distance_m": 818.0, "midpoint_distance_m": 805.5, "start_elevation_m": 267.6905587389715, "end_elevation_m": 266.56540016469694, "start_xy": [ 715174.2030535734, 6285125.47080916 ], "end_xy": [ 715194.2646621561, 6285110.553307322 ] }, "min_50m": { "gradient_pct": -1.1574750896793375, "start_distance_m": 768.0, "end_distance_m": 818.0, "midpoint_distance_m": 793.0, "start_elevation_m": 267.1441377095366, "end_elevation_m": 266.56540016469694, "start_xy": [ 715154.1414449906, 6285140.388310997 ], "end_xy": [ 715194.2646621561, 6285110.553307322 ] }, "min_100m": { "gradient_pct": 0.5444379535249482, "start_distance_m": 718.0, "end_distance_m": 818.0, "midpoint_distance_m": 768.0, "start_elevation_m": 266.020962211172, "end_elevation_m": 266.56540016469694, "start_xy": [ 715113.6638170446, 6285169.730557219 ], "end_xy": [ 715194.2646621561, 6285110.553307322 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 29.191619585759554, "start_distance_m": 3621.0, "end_distance_m": 3623.0, "midpoint_distance_m": 3622.0, "start_elevation_m": 409.28138041510584, "end_elevation_m": 409.86521280682103, "start_xy": [ 716994.6075955352, 6285546.650775181 ], "end_xy": [ 716994.0432628872, 6285548.569506184 ] }, "max_3m": { "gradient_pct": 28.906777069573764, "start_distance_m": 3621.0, "end_distance_m": 3624.0, "midpoint_distance_m": 3622.5, "start_elevation_m": 409.28138041510584, "end_elevation_m": 410.14858372719306, "start_xy": [ 716994.6075955352, 6285546.650775181 ], "end_xy": [ 716993.6995593728, 6285549.503781813 ] } }, "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": 0.039, "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": [] }, "texture_suppression": { "masked_fraction": 0.041, "windows_resited": [ 2.0, 3.0, 5.0 ], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "texture_windows": { "rounds": 1, "windows_masked": [ { "window_m": 5.0, "start_m": 941.0, "end_m": 946.0, "raw_pct": 30.75, "reason": "short-step" } ], "advisory": [], "unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.032, "obstruction_max_height_m": 14.18, "flagged_windows_m": [ 25, 50 ] }, "excluded_ranges_m": [ [ 0.0, 20.0 ], [ 62.0, 73.0 ], [ 251.0, 271.0 ], [ 633.0, 651.0 ], [ 819.0, 825.0 ], [ 935.0, 948.0 ], [ 1122.0, 1131.0 ], [ 1404.0, 1413.0 ], [ 1608.0, 1615.0 ], [ 1675.0, 1683.0 ], [ 1894.0, 1915.0 ], [ 2169.0, 2177.0 ], [ 2436.0, 2447.0 ], [ 2482.0, 2498.0 ], [ 2707.0, 2716.0 ], [ 2803.0, 2819.0 ], [ 3567.0, 3578.0 ] ], "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-mc5", "road_pbf": "block-batch-fr-mc5.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_E714-N6285_0m5@22LHD2LP-2025-02-28.tif", "data/cache/fr/ign-lidarhd_dtm_E715-N6284_0m5@22LHD2LP-2025-02-28.tif", "data/cache/fr/ign-lidarhd_dtm_E715-N6285_0m5@22LHD2LP-2025-02-28.tif", "data/cache/fr/ign-lidarhd_dtm_E716-N6284_0m5@22LHD2LP-2025-02-28.tif", "data/cache/fr/ign-lidarhd_dtm_E716-N6285_0m5@22LHD2LP-2025-02-28.tif", "data/cache/fr/ign-lidarhd_dtm_E716-N6286_0m5@22LHD2LP-2025-02-28.tif", "data/cache/fr/ign-lidarhd_dtm_E717-N6284_0m5@22LHD2LP-2025-02-28.tif", "data/cache/fr/ign-lidarhd_dtm_E717-N6285_0m5@22LHD2LP-2025-02-28.tif", "data/cache/fr/ign-lidarhd_dtm_E717-N6286_0m5@22LHD2LP-2025-02-28.tif" ], "calculated_at": "2026-09-22T14:58:17+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc5.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc5", "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": [ "E714-N6285", "E715-N6284", "E715-N6285", "E716-N6284", "E716-N6285", "E716-N6286", "E717-N6284", "E717-N6285", "E717-N6286" ], "elevation_blocks": [ "22LHD2LP@2025-02-28" ], "ign_dalles": [ "LHD_FXX_0714_6286_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0715_6285_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0715_6286_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0716_6285_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0716_6286_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0716_6287_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0717_6285_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0717_6286_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0717_6287_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD2LP" ], "ign_editions": [ "2025-02-28" ], "ign_dsm_edition": { "LHD_FXX_0714_6286_MNT_O_0M50_LAMB93_IGN69": "2025-02-28", "LHD_FXX_0715_6285_MNT_O_0M50_LAMB93_IGN69": "2025-02-28", "LHD_FXX_0715_6286_MNT_O_0M50_LAMB93_IGN69": "2025-02-28", "LHD_FXX_0716_6285_MNT_O_0M50_LAMB93_IGN69": "2025-02-28", "LHD_FXX_0716_6286_MNT_O_0M50_LAMB93_IGN69": "2025-02-28", "LHD_FXX_0716_6287_MNT_O_0M50_LAMB93_IGN69": "2025-02-28", "LHD_FXX_0717_6285_MNT_O_0M50_LAMB93_IGN69": "2025-02-28", "LHD_FXX_0717_6286_MNT_O_0M50_LAMB93_IGN69": "2025-02-28", "LHD_FXX_0717_6287_MNT_O_0M50_LAMB93_IGN69": "2025-02-28" }, "climb_origin": "discovered", "structure_own_ways": 11, "structure_mask_ranges_m": [ [ 0.0, 15.0 ] ], "carriageway": { "stations": 232, "stations_resolved": 232, "width_median_m": 6.5, "width_p10_m": 4.75, "width_min_m": 1.25, "width_max_m": 11.5, "bounded_share": 0.418, "unbounded_share": 0.582, "confidence_median": 0.0, "width_median_bounded_m": 6.25, "window_m": [ 3601.0, 3626.0 ], "width_at_max25_m": 3.75, "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": 232, "stations_resolved": 232, "width_median_m": 8.62, "width_p10_m": 4.25, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.608, "unbounded_share": 0.392, "confidence_median": 1.0, "width_median_bounded_m": 7.25, "window_m": [ 3601.0, 3626.0 ], "width_at_max25_m": 7.0, "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": "Lunas-les-Ch\u00e2teaux", "county": "H\u00e9rault", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }