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Diagnostic use only: never a headline or ranking value.", "quality_summary": { "no_bench_suppression": { "masked_fraction": 0.004, "windows_resited": [], "windows_unresolved": [] }, "texture_suppression": { "masked_fraction": 0.006, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0 ], "windows_unresolved": [] }, "texture_windows": { "rounds": 2, "windows_masked": [ { "window_m": 5.0, "start_m": 1874.0, "end_m": 1879.0, "raw_pct": 32.43, "reason": "short-step" }, { "window_m": 5.0, "start_m": 2083.0, "end_m": 2088.0, "raw_pct": 30.94, "reason": "short-step" } ], "advisory": [], "unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.17, "obstruction_max_height_m": 24.06, "flagged_windows_m": [ 2, 5, 10, 20, 25, 50, 100 ] }, "excluded_ranges_m": [ [ 1710.0, 1750.0 ], [ 1872.0, 1881.0 ], [ 2081.0, 2090.0 ] ], "review": [], "extent": [ "may_start_earlier" ] }, "provenance": { "analysis_version": "0.1.0", "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_E873-N6426_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E873-N6427_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E874-N6425_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E874-N6426_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E874-N6427_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E874-N6428_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E874-N6429_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E875-N6428_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E875-N6429_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E875-N6430_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E875-N6431_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E876-N6430_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E876-N6431_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E876-N6432_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E877-N6432_0m5.tif" ], "calculated_at": "2026-09-17T03:57:31+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-alps1.osm.pbf", "osm_snapshot": "", "run_id": "fr-alps1", "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": [ "E873-N6426", "E873-N6427", "E874-N6425", "E874-N6426", "E874-N6427", "E874-N6428", "E874-N6429", "E875-N6428", "E875-N6429", "E875-N6430", "E875-N6431", "E876-N6430", "E876-N6431", "E876-N6432", "E877-N6432" ], "elevation_blocks": [ "22LHD5ON@2025-08-13" ], "ign_dalles": [ "LHD_FXX_0873_6427_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0873_6428_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0874_6426_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0874_6427_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0874_6428_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0874_6429_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0874_6430_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0875_6429_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0875_6430_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0875_6431_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0875_6432_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0876_6431_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0876_6432_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0876_6433_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0877_6433_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD5ON" ], "ign_editions": [ "2025-08-13" ], "ign_dsm_edition": { "LHD_FXX_0873_6427_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0873_6428_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0874_6426_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0874_6427_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0874_6428_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0874_6429_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0874_6430_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0875_6429_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0875_6430_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0875_6431_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0875_6432_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0876_6431_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0876_6432_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0876_6433_MNT_O_0M50_LAMB93_IGN69": "2025-08-13", "LHD_FXX_0877_6433_MNT_O_0M50_LAMB93_IGN69": "2025-08-13" }, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked", "carriageway": { "stations": 436, "stations_resolved": 436, "width_median_m": 5.0, "width_p10_m": 2.75, "width_min_m": 1.25, "width_max_m": 12.0, "bounded_share": 0.656, "unbounded_share": 0.344, "confidence_median": 0.712, "width_median_bounded_m": 5.0, "window_m": [ 1830.0, 1855.0 ], "width_at_max25_m": 2.38, "window_stations": 6, "single_track": true, "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": 436, "stations_resolved": 436, "width_median_m": 5.0, "width_p10_m": 1.0, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.931, "unbounded_share": 0.069, "confidence_median": 1.0, "width_median_bounded_m": 5.0, "window_m": [ 1830.0, 1855.0 ], "width_at_max25_m": 2.38, "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": "Oriol-en-Royans", "county": "Dr\u00f4me", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }