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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 ], "windows_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.071, "obstruction_max_height_m": 18.05, "flagged_windows_m": [ 5, 10, 20 ] }, "excluded_ranges_m": [ [ 6395.0, 6400.0 ] ], "review": [], "extent": [ "may_continue_beyond_end" ] }, "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_E992-N6299_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E992-N6300_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E992-N6301_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E993-N6299_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E993-N6300_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E993-N6301_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E994-N6300_0m5.tif", "data/cache/fr/ign-lidarhd_dtm_E994-N6301_0m5.tif" ], "calculated_at": "2026-09-17T01:59:24+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-alps4.osm.pbf", "osm_snapshot": "", "run_id": "fr-alps4", "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": [ "E992-N6299", "E992-N6300", "E992-N6301", "E993-N6299", "E993-N6300", "E993-N6301", "E994-N6300", "E994-N6301" ], "elevation_blocks": [ "21LHD8RP@2025-03-06" ], "ign_dalles": [ "LHD_FXX_0992_6300_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0992_6301_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0992_6302_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0993_6300_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0993_6301_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0993_6302_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0994_6301_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0994_6302_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD8RP" ], "ign_editions": [ "2025-03-06" ], "ign_dsm_edition": { "LHD_FXX_0992_6300_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_0992_6301_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_0992_6302_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_0993_6300_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_0993_6301_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_0993_6302_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_0994_6301_MNT_O_0M50_LAMB93_IGN69": "2025-03-06", "LHD_FXX_0994_6302_MNT_O_0M50_LAMB93_IGN69": "2025-03-06" }, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked", "carriageway": { "stations": 437, "stations_resolved": 437, "width_median_m": 5.5, "width_p10_m": 4.15, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.535, "unbounded_share": 0.465, "confidence_median": 0.536, "width_median_bounded_m": 5.25, "window_m": [ 10671.0, 10696.0 ], "width_at_max25_m": 6.0, "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": 437, "stations_resolved": 437, "width_median_m": 6.5, "width_p10_m": 1.25, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.714, "unbounded_share": 0.286, "confidence_median": 1.0, "width_median_bounded_m": 5.25, "window_m": [ 10671.0, 10696.0 ], "width_at_max25_m": 9.0, "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": "La Bastide", "county": "Var", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }