{
 "ocl_version": "0.1.0",
 "name": "Spitzbielstrasse",
 "slug": "spitzbielstrasse",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 42.0207275773862,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 848.0,
   "end_distance_m": 850.0,
   "start_elevation_m": 706.2920497045437,
   "end_elevation_m": 707.1324642560915,
   "min_gradient_pct": -44.81805272390602,
   "suppressed_max_gradient_pct": 59.272281888087264,
   "suppressed_location_m": [
    272.0,
    274.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.904773973877735,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 586.0,
   "end_distance_m": 589.0,
   "start_elevation_m": 678.5108159836643,
   "end_elevation_m": 679.4079592028806,
   "min_gradient_pct": -35.2006975495442,
   "suppressed_max_gradient_pct": 54.90361589213535,
   "suppressed_location_m": [
    293.0,
    296.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.265428991545377,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 585.0,
   "end_distance_m": 590.0,
   "start_elevation_m": 678.2972355174026,
   "end_elevation_m": 679.6605069669798,
   "min_gradient_pct": -23.334720909376756,
   "suppressed_max_gradient_pct": 47.36280645659008,
   "suppressed_location_m": [
    1203.0,
    1208.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.821938903992987,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2006.0,
   "end_distance_m": 2016.0,
   "start_elevation_m": 864.4791447575556,
   "end_elevation_m": 866.7613386479549,
   "min_gradient_pct": -19.8366983032588,
   "suppressed_max_gradient_pct": 40.67584725165602,
   "suppressed_location_m": [
    1198.0,
    1208.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.00463978648031,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2006.0,
   "end_distance_m": 2026.0,
   "start_elevation_m": 864.4791447575556,
   "end_elevation_m": 868.8800727148516,
   "min_gradient_pct": -13.849698414953764,
   "suppressed_max_gradient_pct": 27.582834636626785,
   "suppressed_location_m": [
    1189.0,
    1209.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.81192224243432,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 2003.0,
   "end_distance_m": 2028.0,
   "start_elevation_m": 863.8585060814124,
   "end_elevation_m": 869.311486642021,
   "min_gradient_pct": -10.169563390433723,
   "suppressed_max_gradient_pct": 23.676941593344964,
   "suppressed_location_m": [
    1189.0,
    1214.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.905007824115046,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1979.0,
   "end_distance_m": 2029.0,
   "start_elevation_m": 859.5558861416774,
   "end_elevation_m": 869.508390053735,
   "min_gradient_pct": -2.238566535932023
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.1972310503819,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1929.0,
   "end_distance_m": 2029.0,
   "start_elevation_m": 850.311159003353,
   "end_elevation_m": 869.508390053735,
   "min_gradient_pct": 1.7102314249179926
  }
 ],
 "shape": {
  "ascent_concentration": 0.32,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 176.0,
  "shape_class": "sustained"
 },
 "length_m": 2029.715578913696,
 "start_elevation_m": 636.1998429213805,
 "end_elevation_m": 869.6065616069368,
 "endpoint_gain_m": 233.40671868555626,
 "overall_gradient_pct": 11.499479095020574,
 "accumulated_ascent_m": 249.8920326387896,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.265428991545377,
   "start_distance_m": 585.0,
   "end_distance_m": 590.0,
   "midpoint_distance_m": 587.5,
   "start_elevation_m": 678.2972355174026,
   "end_elevation_m": 679.6605069669798,
   "start_xy": [
    2629063.705532272,
    1127569.0982552485
   ],
   "end_xy": [
    2629068.690377749,
    1127568.7092673376
   ]
  },
  "max_10m": {
   "gradient_pct": 22.821938903992987,
   "start_distance_m": 2006.0,
   "end_distance_m": 2016.0,
   "midpoint_distance_m": 2011.0,
   "start_elevation_m": 864.4791447575556,
   "end_elevation_m": 866.7613386479549,
   "start_xy": [
    2628890.089464844,
    1127215.2481557627
   ],
   "end_xy": [
    2628884.9326201687,
    1127206.6844776445
   ]
  },
  "max_20m": {
   "gradient_pct": 22.00463978648031,
   "start_distance_m": 2006.0,
   "end_distance_m": 2026.0,
   "midpoint_distance_m": 2016.0,
   "start_elevation_m": 864.4791447575556,
   "end_elevation_m": 868.8800727148516,
   "start_xy": [
    2628890.089464844,
    1127215.2481557627
   ],
   "end_xy": [
    2628879.686402203,
    1127198.1711243333
   ]
  },
  "max_25m": {
   "gradient_pct": 21.81192224243432,
   "start_distance_m": 2003.0,
   "end_distance_m": 2028.0,
   "midpoint_distance_m": 2015.5,
   "start_elevation_m": 863.8585060814124,
   "end_elevation_m": 869.311486642021,
   "start_xy": [
    2628891.3868669444,
    1127217.9531038885
   ],
   "end_xy": [
    2628878.637173709,
    1127196.4684443248
   ]
  },
  "max_50m": {
   "gradient_pct": 19.905007824115046,
   "start_distance_m": 1979.0,
   "end_distance_m": 2029.0,
   "midpoint_distance_m": 2004.0,
   "start_elevation_m": 859.5558861416774,
   "end_elevation_m": 869.508390053735,
   "start_xy": [
    2628904.7896858724,
    1127237.1919126213
   ],
   "end_xy": [
    2628878.112436603,
    1127195.6171800932
   ]
  },
  "max_100m": {
   "gradient_pct": 19.1972310503819,
   "start_distance_m": 1929.0,
   "end_distance_m": 2029.0,
   "midpoint_distance_m": 1979.0,
   "start_elevation_m": 850.311159003353,
   "end_elevation_m": 869.508390053735,
   "start_xy": [
    2628927.5104736765,
    1127203.3305531912
   ],
   "end_xy": [
    2628878.112436603,
    1127195.6171800932
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -23.334720909376756,
   "start_distance_m": 334.0,
   "end_distance_m": 339.0,
   "midpoint_distance_m": 336.5,
   "start_elevation_m": 659.7099865410645,
   "end_elevation_m": 658.5432504955957,
   "start_xy": [
    2629119.8978452017,
    1127610.0495862148
   ],
   "end_xy": [
    2629114.9319242323,
    1127610.6323582972
   ]
  },
  "min_10m": {
   "gradient_pct": -19.8366983032588,
   "start_distance_m": 330.0,
   "end_distance_m": 340.0,
   "midpoint_distance_m": 335.0,
   "start_elevation_m": 660.4011394693225,
   "end_elevation_m": 658.4174696389966,
   "start_xy": [
    2629123.8706106497,
    1127609.5836138509
   ],
   "end_xy": [
    2629113.9387036995,
    1127610.7486028874
   ]
  },
  "min_20m": {
   "gradient_pct": -13.849698414953764,
   "start_distance_m": 321.0,
   "end_distance_m": 341.0,
   "midpoint_distance_m": 331.0,
   "start_elevation_m": 661.2518592813963,
   "end_elevation_m": 658.4819195984055,
   "start_xy": [
    2629132.8126209206,
    1127608.5643999611
   ],
   "end_xy": [
    2629112.94554825,
    1127610.8654022187
   ]
  },
  "min_25m": {
   "gradient_pct": -10.169563390433723,
   "start_distance_m": 321.0,
   "end_distance_m": 346.0,
   "midpoint_distance_m": 333.5,
   "start_elevation_m": 661.2518592813963,
   "end_elevation_m": 658.7094684337878,
   "start_xy": [
    2629132.8126209206,
    1127608.5643999611
   ],
   "end_xy": [
    2629107.97965259,
    1127611.4483900298
   ]
  },
  "min_50m": {
   "gradient_pct": -2.238566535932023,
   "start_distance_m": 321.0,
   "end_distance_m": 371.0,
   "midpoint_distance_m": 346.0,
   "start_elevation_m": 661.2518592813963,
   "end_elevation_m": 660.1325760134303,
   "start_xy": [
    2629132.8126209206,
    1127608.5643999611
   ],
   "end_xy": [
    2629083.0329786995,
    1127613.0401544324
   ]
  },
  "min_100m": {
   "gradient_pct": 1.7102314249179926,
   "start_distance_m": 310.0,
   "end_distance_m": 410.0,
   "midpoint_distance_m": 360.0,
   "start_elevation_m": 660.4705269670176,
   "end_elevation_m": 662.1807583919356,
   "start_xy": [
    2629143.7499042754,
    1127607.3914535102
   ],
   "end_xy": [
    2629044.975019686,
    1127607.1189330409
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 42.0207275773862,
   "start_distance_m": 848.0,
   "end_distance_m": 850.0,
   "midpoint_distance_m": 849.0,
   "start_elevation_m": 706.2920497045437,
   "end_elevation_m": 707.1324642560915,
   "start_xy": [
    2629165.853615084,
    1127447.382720731
   ],
   "end_xy": [
    2629165.3416288346,
    1127445.4493636065
   ]
  },
  "max_3m": {
   "gradient_pct": 29.904773973877735,
   "start_distance_m": 586.0,
   "end_distance_m": 589.0,
   "midpoint_distance_m": 587.5,
   "start_elevation_m": 678.5108159836643,
   "end_elevation_m": 679.4079592028806,
   "start_xy": [
    2629064.7024859143,
    1127569.020258875
   ],
   "end_xy": [
    2629067.693424106,
    1127568.7872637108
   ]
  }
 },
 "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": 0.015,
   "windows_resited": [
    2.0,
    3.0
   ],
   "windows_unresolved": []
  },
  "placement_suppression": {
   "masked_fraction": 0.035,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.079,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 3,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 1189.0,
     "end_m": 1214.0,
     "raw_pct": 23.68,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 1189.0,
     "end_m": 1209.0,
     "raw_pct": 27.58,
     "reason": "staircase+hump"
    },
    {
     "window_m": 10.0,
     "start_m": 1198.0,
     "end_m": 1208.0,
     "raw_pct": 40.68,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 1203.0,
     "end_m": 1208.0,
     "raw_pct": 47.36,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 1323.0,
     "end_m": 1343.0,
     "raw_pct": 22.59,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 700.0,
     "end_m": 710.0,
     "raw_pct": 27.25,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 1309.0,
     "end_m": 1314.0,
     "raw_pct": 40.02,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 1156.0,
     "end_m": 1161.0,
     "raw_pct": 30.54,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    270.0,
    340.0
   ],
   [
    698.0,
    712.0
   ],
   [
    1154.0,
    1163.0
   ],
   [
    1187.0,
    1216.0
   ],
   [
    1307.0,
    1316.0
   ],
   [
    1321.0,
    1345.0
   ]
  ],
  "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_2024_2628-1127_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2629-1127_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T23:52:05+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-ch-ch/batch-switzerland-rchunk00.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": [
   "2628-1127",
   "2629-1127"
  ],
  "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": "Raron",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}