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Diagnostic use only: never a headline or ranking value.", "quality_summary": { "structure_suppression": { "masked_fraction": 0.062, "windows_resited": [], "windows_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.019, "obstruction_max_height_m": 12.1, "flagged_windows_m": [] }, "excluded_ranges_m": [ [ 317.0, 357.0 ], [ 393.0, 433.0 ] ], "review": [], "extent": [ "may_start_earlier", "descends_at_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:3035", "elevation_resolution_m": 1.0, "elevation_tiles": [ "data/cache/at/bev-als_dtm_E4330-N2677.tif", "data/cache/at/bev-als_dtm_E4330-N2678.tif", "data/cache/at/bev-als_dtm_E4331-N2677.tif", "data/cache/at/bev-als_dtm_E4331-N2678.tif" ], "calculated_at": "2026-09-15T21:47:56+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/austria-2026-09-11.osm.pbf", "osm_snapshot": "2026-09-10T20:21:06Z", "run_id": "retro-260915-dogleg-all", "elevation_provider": "BEV ALS DTM 1 m", "elevation_licence": "Creative Commons Attribution 4.0 (CC BY 4.0) \u2014 \u00a9 BEV / L\u00e4nder, data.gv.at", "elevation_dataset": "ALS DTM H\u00f6henraster 1 m (Bundesamt f\u00fcr Eich- und Vermessungswesen with the L\u00e4nder), EPSG:3035", "elevation_tile_ids": [ "E4330-N2677", "E4330-N2678", "E4331-N2677", "E4331-N2678" ], "elevation_blocks": [ "N2650000E4300000@2022-09-15" ], "bev_dsm_release": { "N2650000E4300000": "20220915" }, "route_cut_m": 1311.7, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked", "structure_mask_ranges_m": [ [ 322.7, 352.7 ], [ 398.6, 428.6 ] ], "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Lech", "county": "Vorarlberg", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }