{ "ocl_version": "0.1.0", "name": "Biffigstrasse", "slug": "biffigstrasse", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 33.98550711265216, "diagnostic": true, "flags": [ "structure_excluded", "texture_excluded" ], "start_distance_m": 1806.0, "end_distance_m": 1808.0, "start_elevation_m": 1555.5663237713989, "end_elevation_m": 1556.246033913652, "min_gradient_pct": -113.89034969121212, "suppressed_max_gradient_pct": 138.61498659679228, "suppressed_location_m": [ 1097.0, 1099.0 ] }, { "window_m": 3.0, "max_gradient_pct": 31.92640296438943, "diagnostic": true, "flags": [ "structure_excluded", "texture_excluded" ], "start_distance_m": 1806.0, "end_distance_m": 1809.0, "start_elevation_m": 1555.5663237713989, "end_elevation_m": 1556.5241158603305, "min_gradient_pct": -92.64660844794435, "suppressed_max_gradient_pct": 113.42136840074393, "suppressed_location_m": [ 1097.0, 1100.0 ] }, { "window_m": 5.0, "max_gradient_pct": 23.656755236711433, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded", "texture_excluded", "texture_excluded" ], "start_distance_m": 1806.0, "end_distance_m": 1811.0, "start_elevation_m": 1555.5663237713989, "end_elevation_m": 1556.7491615332344, "min_gradient_pct": -51.487800261838856, "suppressed_max_gradient_pct": 71.7725105362706, "suppressed_location_m": [ 1097.0, 1102.0 ] }, { "window_m": 10.0, "max_gradient_pct": 18.474051868827246, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded", "texture_excluded" ], "start_distance_m": 1806.0, "end_distance_m": 1816.0, "start_elevation_m": 1555.5663237713989, "end_elevation_m": 1557.4137289582816, "min_gradient_pct": -21.211482640226222, "suppressed_max_gradient_pct": 41.2024264279421, "suppressed_location_m": [ 1097.0, 1107.0 ] }, { "window_m": 20.0, "max_gradient_pct": 15.28532913703657, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded", "texture_excluded" ], "start_distance_m": 2035.0, "end_distance_m": 2055.0, "start_elevation_m": 1581.6696623494822, "end_elevation_m": 1584.7267281768895, "min_gradient_pct": -4.608031319833117, "suppressed_max_gradient_pct": 26.70980077219042, "suppressed_location_m": [ 1097.0, 1117.0 ] }, { "window_m": 25.0, "max_gradient_pct": 14.746521950555689, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded", "texture_excluded" ], "start_distance_m": 1645.0, "end_distance_m": 1670.0, "start_elevation_m": 1536.7926023565622, "end_elevation_m": 1540.479232844201, "min_gradient_pct": -1.0615792521666663, "suppressed_max_gradient_pct": 23.754370048484816, "suppressed_location_m": [ 1097.0, 1122.0 ] }, { "window_m": 50.0, "max_gradient_pct": 14.057213887956095, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded" ], "start_distance_m": 2005.0, "end_distance_m": 2055.0, "start_elevation_m": 1577.6981212329115, "end_elevation_m": 1584.7267281768895, "min_gradient_pct": 4.684722706178036, "suppressed_max_gradient_pct": 19.504425819553035, "suppressed_location_m": [ 299.0, 349.0 ] }, { "window_m": 100.0, "max_gradient_pct": 12.469083218688638, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded" ], "start_distance_m": 1589.0, "end_distance_m": 1689.0, "start_elevation_m": 1530.2895230618785, "end_elevation_m": 1542.7586062805672, "min_gradient_pct": 8.560526261303721, "suppressed_max_gradient_pct": 15.334073084979764, "suppressed_location_m": [ 1097.0, 1197.0 ] } ], "shape": { "ascent_concentration": 0.27, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 240.0, "shape_class": "sustained" }, "length_m": 2055.0316982937134, "start_elevation_m": 1348.5843942968434, "end_elevation_m": 1584.7292201522532, "endpoint_gain_m": 236.14482585540986, "overall_gradient_pct": 11.491055152651914, "accumulated_ascent_m": 246.00397382208916, "window_maxima": { "max_5m": { "gradient_pct": 23.656755236711433, "start_distance_m": 1806.0, "end_distance_m": 1811.0, "midpoint_distance_m": 1808.5, "start_elevation_m": 1555.5663237713989, "end_elevation_m": 1556.7491615332344, "start_xy": [ 2625009.832453259, 1137442.5884859967 ], "end_xy": [ 2625007.2183301705, 1137438.3262854784 ] }, "max_10m": { "gradient_pct": 18.474051868827246, "start_distance_m": 1806.0, "end_distance_m": 1816.0, "midpoint_distance_m": 1811.0, "start_elevation_m": 1555.5663237713989, "end_elevation_m": 1557.4137289582816, "start_xy": [ 2625009.832453259, 1137442.5884859967 ], "end_xy": [ 2625004.6034803432, 1137434.0645301193 ] }, "max_20m": { "gradient_pct": 15.28532913703657, "start_distance_m": 2035.0, "end_distance_m": 2055.0, "midpoint_distance_m": 2045.0, "start_elevation_m": 1581.6696623494822, "end_elevation_m": 1584.7267281768895, "start_xy": [ 2625009.4371652184, 1137353.7985148004 ], "end_xy": [ 2625024.097912587, 1137367.4022804352 ] }, "max_25m": { "gradient_pct": 14.746521950555689, "start_distance_m": 1645.0, "end_distance_m": 1670.0, "midpoint_distance_m": 1657.5, "start_elevation_m": 1536.7926023565622, "end_elevation_m": 1540.479232844201, "start_xy": [ 2625109.043375486, 1137568.5466690562 ], "end_xy": [ 2625091.632754102, 1137550.669593455 ] }, "max_50m": { "gradient_pct": 14.057213887956095, "start_distance_m": 2005.0, "end_distance_m": 2055.0, "midpoint_distance_m": 2030.0, "start_elevation_m": 1577.6981212329115, "end_elevation_m": 1584.7267281768895, "start_xy": [ 2624987.546807406, 1137333.2853112693 ], "end_xy": [ 2625024.097912587, 1137367.4022804352 ] }, "max_100m": { "gradient_pct": 12.469083218688638, "start_distance_m": 1589.0, "end_distance_m": 1689.0, "midpoint_distance_m": 1639.0, "start_elevation_m": 1530.2895230618785, "end_elevation_m": 1542.7586062805672, "start_xy": [ 2625140.9300733167, 1137614.550119147 ], "end_xy": [ 2625077.9760848787, 1137537.4599250008 ] } }, "window_minima": { "min_5m": { "gradient_pct": -51.487800261838856, "start_distance_m": 1092.0, "end_distance_m": 1097.0, "midpoint_distance_m": 1094.5, "start_elevation_m": 1474.2292982412725, "end_elevation_m": 1471.6549082281806, "start_xy": [ 2625490.4971298967, 1137925.5713990584 ], "end_xy": [ 2625486.490484044, 1137922.6206224058 ] }, "min_10m": { "gradient_pct": -21.211482640226222, "start_distance_m": 1087.0, "end_distance_m": 1097.0, "midpoint_distance_m": 1092.0, "start_elevation_m": 1473.7760564922032, "end_elevation_m": 1471.6549082281806, "start_xy": [ 2625493.3989698826, 1137929.6427477028 ], "end_xy": [ 2625486.490484044, 1137922.6206224058 ] }, "min_20m": { "gradient_pct": -4.608031319833117, "start_distance_m": 1077.0, "end_distance_m": 1097.0, "midpoint_distance_m": 1087.0, "start_elevation_m": 1472.5765144921472, "end_elevation_m": 1471.6549082281806, "start_xy": [ 2625498.5949064693, 1137938.112001882 ], "end_xy": [ 2625486.490484044, 1137922.6206224058 ] }, "min_25m": { "gradient_pct": -1.0615792521666663, "start_distance_m": 1243.0, "end_distance_m": 1268.0, "midpoint_distance_m": 1255.5, "start_elevation_m": 1491.9651011768947, "end_elevation_m": 1491.699706363853, "start_xy": [ 2625367.0814993344, 1137850.2799470904 ], "end_xy": [ 2625345.708779699, 1137837.3203541553 ] }, "min_50m": { "gradient_pct": 4.684722706178036, "start_distance_m": 1218.0, "end_distance_m": 1268.0, "midpoint_distance_m": 1243.0, "start_elevation_m": 1489.357345010764, "end_elevation_m": 1491.699706363853, "start_xy": [ 2625382.7361933286, 1137869.303338226 ], "end_xy": [ 2625345.708779699, 1137837.3203541553 ] }, "min_100m": { "gradient_pct": 8.560526261303721, "start_distance_m": 1168.0, "end_distance_m": 1268.0, "midpoint_distance_m": 1218.0, "start_elevation_m": 1483.1391801025493, "end_elevation_m": 1491.699706363853, "start_xy": [ 2625424.3517546747, 1137891.3134993566 ], "end_xy": [ 2625345.708779699, 1137837.3203541553 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 33.98550711265216, "start_distance_m": 1806.0, "end_distance_m": 1808.0, "midpoint_distance_m": 1807.0, "start_elevation_m": 1555.5663237713989, "end_elevation_m": 1556.246033913652, "start_xy": [ 2625009.832453259, 1137442.5884859967 ], "end_xy": [ 2625008.78644525, 1137440.883825618 ] }, "max_3m": { "gradient_pct": 31.92640296438943, "start_distance_m": 1806.0, "end_distance_m": 1809.0, "midpoint_distance_m": 1807.5, "start_elevation_m": 1555.5663237713989, "end_elevation_m": 1556.5241158603305, "start_xy": [ 2625009.832453259, 1137442.5884859967 ], "end_xy": [ 2625008.263454178, 1137440.0314874947 ] } }, "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": 0.048, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [] }, "texture_suppression": { "masked_fraction": 0.112, "windows_resited": [ 5.0 ], "windows_unresolved": [] }, "texture_windows": { "rounds": 4, "windows_masked": [ { "window_m": 25.0, "start_m": 1268.0, "end_m": 1293.0, "raw_pct": 22.41, "reason": "hump" }, { "window_m": 20.0, "start_m": 1269.0, "end_m": 1289.0, "raw_pct": 24.89, "reason": "hump" }, { "window_m": 10.0, "start_m": 1271.0, "end_m": 1281.0, "raw_pct": 30.33, "reason": "hump" }, { "window_m": 5.0, "start_m": 1422.0, "end_m": 1427.0, "raw_pct": 40.08, "reason": "hump" }, { "window_m": 25.0, "start_m": 693.0, "end_m": 718.0, "raw_pct": 18.2, "reason": "hump" }, { "window_m": 20.0, "start_m": 698.0, "end_m": 718.0, "raw_pct": 20.02, "reason": "hump" }, { "window_m": 10.0, "start_m": 708.0, "end_m": 718.0, "raw_pct": 28.38, "reason": "hump" }, { "window_m": 25.0, "start_m": 1475.0, "end_m": 1500.0, "raw_pct": 16.12, "reason": "mask-edge" }, { "window_m": 20.0, "start_m": 1480.0, "end_m": 1500.0, "raw_pct": 16.87, "reason": "mask-edge" }, { "window_m": 10.0, "start_m": 339.0, "end_m": 349.0, "raw_pct": 21.24, "reason": "mask-edge" }, { "window_m": 5.0, "start_m": 1351.0, "end_m": 1356.0, "raw_pct": 30.09, "reason": "short-step" }, { "window_m": 5.0, "start_m": 1459.0, "end_m": 1464.0, "raw_pct": 23.97, "reason": "short-step" } ], "advisory": [], "unresolved": [] }, "excluded_ranges_m": [ [ 310.0, 315.0 ], [ 332.0, 351.0 ], [ 691.0, 720.0 ], [ 1072.0, 1151.0 ], [ 1266.0, 1295.0 ], [ 1349.0, 1358.0 ], [ 1420.0, 1429.0 ], [ 1457.0, 1466.0 ], [ 1473.0, 1506.0 ] ], "review": [], "extent": [ "may_start_earlier", "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_2024_2624-1137_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2024_2625-1137_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2024_2625-1138_0.5_2056_5728.tif", "data/cache/ch/swissalti3d_2024_2626-1138_0.5_2056_5728.tif" ], "calculated_at": "2026-09-11T23:53:13+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "output/texture-ch-ch/batch-switzerland-rchunk01.pbf", "osm_snapshot": "", "run_id": "texture-ch-ch-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": [ "2624-1137", "2625-1137", "2625-1138", "2626-1138" ], "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": "Kippel", "county": "Valais/Wallis", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }