{
 "ocl_version": "0.1.0",
 "name": "Torrentstrasse",
 "slug": "torrentstrasse",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.736905797958116,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5755.0,
   "end_distance_m": 5757.0,
   "start_elevation_m": 1788.422974494044,
   "end_elevation_m": 1789.0777126100031,
   "min_gradient_pct": -317.28592471296224,
   "suppressed_max_gradient_pct": 144.3861543874732,
   "suppressed_location_m": [
    37.0,
    39.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.311409510500198,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5755.0,
   "end_distance_m": 5758.0,
   "start_elevation_m": 1788.422974494044,
   "end_elevation_m": 1789.332316779359,
   "min_gradient_pct": -297.57266286172427,
   "suppressed_max_gradient_pct": 136.9857537283527,
   "suppressed_location_m": [
    36.0,
    39.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.784823833512746,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5754.0,
   "end_distance_m": 5759.0,
   "start_elevation_m": 1788.2278291054006,
   "end_elevation_m": 1789.6170702970762,
   "min_gradient_pct": -225.46369962024528,
   "suppressed_max_gradient_pct": 131.9211107292631,
   "suppressed_location_m": [
    37.0,
    42.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.25844951606814,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5862.0,
   "end_distance_m": 5872.0,
   "start_elevation_m": 1795.2937040724742,
   "end_elevation_m": 1797.319549024081,
   "min_gradient_pct": -163.27342142526277,
   "suppressed_max_gradient_pct": 120.15114303983864,
   "suppressed_location_m": [
    34.0,
    44.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 13.885703285286581,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4931.0,
   "end_distance_m": 4951.0,
   "start_elevation_m": 1713.6307740260636,
   "end_elevation_m": 1716.407914683121,
   "min_gradient_pct": -116.80379122265776,
   "suppressed_max_gradient_pct": 97.73678827836534,
   "suppressed_location_m": [
    33.0,
    53.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 13.637619319200894,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2460.0,
   "end_distance_m": 2485.0,
   "start_elevation_m": 1493.9002847777592,
   "end_elevation_m": 1497.3096896075594,
   "min_gradient_pct": -105.16302727963648,
   "suppressed_max_gradient_pct": 89.66689951748594,
   "suppressed_location_m": [
    33.0,
    58.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 13.178131581523758,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2432.0,
   "end_distance_m": 2482.0,
   "start_elevation_m": 1490.3162420448443,
   "end_elevation_m": 1496.9053078356062,
   "min_gradient_pct": -14.219214504863885,
   "suppressed_max_gradient_pct": 62.530761519424686,
   "suppressed_location_m": [
    28.0,
    78.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.734901190910023,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2385.0,
   "end_distance_m": 2485.0,
   "start_elevation_m": 1484.5747884166494,
   "end_elevation_m": 1497.3096896075594,
   "min_gradient_pct": 2.907792769834259,
   "suppressed_max_gradient_pct": 34.610798512807605,
   "suppressed_location_m": [
    28.0,
    128.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.282,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 493.0,
  "shape_class": "sustained"
 },
 "length_m": 7364.201277333585,
 "start_elevation_m": 1324.4528165815354,
 "end_elevation_m": 1926.0261768510554,
 "endpoint_gain_m": 601.57336026952,
 "overall_gradient_pct": 8.168888079160928,
 "accumulated_ascent_m": 632.0762995468351,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.784823833512746,
   "start_distance_m": 5754.0,
   "end_distance_m": 5759.0,
   "midpoint_distance_m": 5756.5,
   "start_elevation_m": 1788.2278291054006,
   "end_elevation_m": 1789.6170702970762,
   "start_xy": [
    2614783.740016671,
    1134533.021453608
   ],
   "end_xy": [
    2614785.9069842724,
    1134537.5263953034
   ]
  },
  "max_10m": {
   "gradient_pct": 20.25844951606814,
   "start_distance_m": 5862.0,
   "end_distance_m": 5872.0,
   "midpoint_distance_m": 5867.0,
   "start_elevation_m": 1795.2937040724742,
   "end_elevation_m": 1797.319549024081,
   "start_xy": [
    2614800.9612787836,
    1134637.827058963
   ],
   "end_xy": [
    2614807.127566462,
    1134645.699599612
   ]
  },
  "max_20m": {
   "gradient_pct": 13.885703285286581,
   "start_distance_m": 4931.0,
   "end_distance_m": 4951.0,
   "midpoint_distance_m": 4941.0,
   "start_elevation_m": 1713.6307740260636,
   "end_elevation_m": 1716.407914683121,
   "start_xy": [
    2614995.0654556206,
    1134056.9267252008
   ],
   "end_xy": [
    2614975.5336331315,
    1134052.6246431172
   ]
  },
  "max_25m": {
   "gradient_pct": 13.637619319200894,
   "start_distance_m": 2460.0,
   "end_distance_m": 2485.0,
   "midpoint_distance_m": 2472.5,
   "start_elevation_m": 1493.9002847777592,
   "end_elevation_m": 1497.3096896075594,
   "start_xy": [
    2614044.349366575,
    1133887.469141227
   ],
   "end_xy": [
    2614051.3687882917,
    1133911.3215539933
   ]
  },
  "max_50m": {
   "gradient_pct": 13.178131581523758,
   "start_distance_m": 2432.0,
   "end_distance_m": 2482.0,
   "midpoint_distance_m": 2457.0,
   "start_elevation_m": 1490.3162420448443,
   "end_elevation_m": 1496.9053078356062,
   "start_xy": [
    2614039.3818001966,
    1133859.9177841905
   ],
   "end_xy": [
    2614050.1578599266,
    1133908.5768040058
   ]
  },
  "max_100m": {
   "gradient_pct": 12.734901190910023,
   "start_distance_m": 2385.0,
   "end_distance_m": 2485.0,
   "midpoint_distance_m": 2435.0,
   "start_elevation_m": 1484.5747884166494,
   "end_elevation_m": 1497.3096896075594,
   "start_xy": [
    2614028.989750017,
    1133814.2524702833
   ],
   "end_xy": [
    2614051.3687882917,
    1133911.3215539933
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -225.46369962024528,
   "start_distance_m": 11.0,
   "end_distance_m": 16.0,
   "midpoint_distance_m": 13.5,
   "start_elevation_m": 1318.6476135232606,
   "end_elevation_m": 1307.3744285422483,
   "start_xy": [
    2614941.2299730107,
    1132524.4824319612
   ],
   "end_xy": [
    2614940.3631425607,
    1132529.4067192164
   ]
  },
  "min_10m": {
   "gradient_pct": -163.27342142526277,
   "start_distance_m": 9.0,
   "end_distance_m": 19.0,
   "midpoint_distance_m": 14.0,
   "start_elevation_m": 1320.1846079176382,
   "end_elevation_m": 1303.857265775112,
   "start_xy": [
    2614941.5767051904,
    1132522.5127170593
   ],
   "end_xy": [
    2614939.843044291,
    1132532.3612915697
   ]
  },
  "min_20m": {
   "gradient_pct": -116.80379122265776,
   "start_distance_m": 4.0,
   "end_distance_m": 24.0,
   "midpoint_distance_m": 14.0,
   "start_elevation_m": 1323.3950997230713,
   "end_elevation_m": 1300.0343414785398,
   "start_xy": [
    2614942.4435356404,
    1132517.5884298042
   ],
   "end_xy": [
    2614938.9762138412,
    1132537.2855788248
   ]
  },
  "min_25m": {
   "gradient_pct": -105.16302727963648,
   "start_distance_m": 2.0,
   "end_distance_m": 27.0,
   "midpoint_distance_m": 14.5,
   "start_elevation_m": 1324.6107220607105,
   "end_elevation_m": 1298.3199652408014,
   "start_xy": [
    2614942.79026782,
    1132515.618714902
   ],
   "end_xy": [
    2614938.4561155713,
    1132540.2401511779
   ]
  },
  "min_50m": {
   "gradient_pct": -14.219214504863885,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 1324.4528165815354,
   "end_elevation_m": 1317.3432093291035,
   "start_xy": [
    2614943.137,
    1132513.649
   ],
   "end_xy": [
    2614934.4686955023,
    1132562.8918725515
   ]
  },
  "min_100m": {
   "gradient_pct": 2.907792769834259,
   "start_distance_m": 5654.0,
   "end_distance_m": 5754.0,
   "midpoint_distance_m": 5704.0,
   "start_elevation_m": 1785.3200363355663,
   "end_elevation_m": 1788.2278291054006,
   "start_xy": [
    2614731.8678385587,
    1134447.7518388296
   ],
   "end_xy": [
    2614783.740016671,
    1134533.021453608
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.736905797958116,
   "start_distance_m": 5755.0,
   "end_distance_m": 5757.0,
   "midpoint_distance_m": 5756.0,
   "start_elevation_m": 1788.422974494044,
   "end_elevation_m": 1789.0777126100031,
   "start_xy": [
    2614784.174534855,
    1134533.922116668
   ],
   "end_xy": [
    2614785.0435712235,
    1134535.723442788
   ]
  },
  "max_3m": {
   "gradient_pct": 30.311409510500198,
   "start_distance_m": 5755.0,
   "end_distance_m": 5758.0,
   "midpoint_distance_m": 5756.5,
   "start_elevation_m": 1788.422974494044,
   "end_elevation_m": 1789.332316779359,
   "start_xy": [
    2614784.174534855,
    1134533.922116668
   ],
   "end_xy": [
    2614785.4780894076,
    1134536.624105848
   ]
  }
 },
 "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": 0.011,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    74.0
   ],
   [
    5875.0,
    5883.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_start",
   "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_2613-1133_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2613-1134_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2614-1132_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2614-1133_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2614-1134_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2614-1135_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2615-1132_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2615-1133_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2615-1134_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2615-1135_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T04:28:07+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": [
   "2613-1133",
   "2613-1134",
   "2614-1132",
   "2614-1133",
   "2614-1134",
   "2614-1135",
   "2615-1132",
   "2615-1133",
   "2615-1134",
   "2615-1135"
  ],
  "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": "Albinen",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}