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Diagnostic use only: never a headline or ranking value.", "quality_summary": { "structure_suppression": { "masked_fraction": 0.016, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [] }, "excluded_ranges_m": [ [ 1157.0, 1197.0 ], [ 1635.0, 1643.0 ], [ 4600.0, 4611.0 ], [ 8850.0, 9025.0 ] ], "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:2056", "elevation_resolution_m": 0.5, "elevation_tiles": [ "data/cache/ch/swissalti3d_2023_2727-1118_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2727-1119_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2728-1118_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2728-1119_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2729-1117_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2729-1118_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2729-1119_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2729-1120_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2729-1121_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2730-1117_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2730-1118_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2730-1119_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2730-1120_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2730-1121_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2023_2730-1122_0.5_2056_5728.tif" ], "calculated_at": "2026-09-11T04:36:53+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10-batch.osm.pbf", "osm_snapshot": "", "run_id": "ch-run7-260911", "elevation_provider": "swisstopo swissALTI3D", "elevation_licence": "swisstopo open government data (OGD): free use, attribution '\u00a9 swisstopo' \u2014 https://www.swisstopo.admin.ch/en/terms-and-conditions", "elevation_dataset": "swissALTI3D 0.5 m DTM (Federal Office of Topography swisstopo)", "elevation_tile_ids": [ "2727-1118", "2727-1119", "2728-1118", "2728-1119", "2729-1117", "2729-1118", "2729-1119", "2729-1120", "2729-1121", "2730-1117", "2730-1118", "2730-1119", "2730-1120", "2730-1121", "2730-1122" ], "climb_origin": "discovered", "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage", "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Roveredo GR", "county": "Graub\u00fcnden/Grischun/Grigioni", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }