{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.1755, 8.9363)",
 "slug": "discovered-lane-46-1755-8-9363",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 13.358848645791,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 400.0,
   "end_distance_m": 402.0,
   "start_elevation_m": 328.44138352218414,
   "end_elevation_m": 328.70856049509996,
   "min_gradient_pct": -8.19940174889382,
   "suppressed_max_gradient_pct": 28.56239879632767,
   "suppressed_location_m": [
    107.0,
    109.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 13.548537813928382,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 349.0,
   "end_distance_m": 352.0,
   "start_elevation_m": 323.7579559794551,
   "end_elevation_m": 324.16441211387297,
   "min_gradient_pct": -7.33427636707044,
   "suppressed_max_gradient_pct": 28.41627837668928,
   "suppressed_location_m": [
    108.0,
    111.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 12.683672547034348,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 347.0,
   "end_distance_m": 352.0,
   "start_elevation_m": 323.53022848652125,
   "end_elevation_m": 324.16441211387297,
   "min_gradient_pct": -5.257664038383609,
   "suppressed_max_gradient_pct": 27.900369783795895,
   "suppressed_location_m": [
    106.0,
    111.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 11.904882063848277,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 400.0,
   "end_distance_m": 410.0,
   "start_elevation_m": 328.44138352218414,
   "end_elevation_m": 329.63187172856897,
   "min_gradient_pct": -0.3417065926646501,
   "suppressed_max_gradient_pct": 26.794699561878588,
   "suppressed_location_m": [
    101.0,
    111.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 10.898434314817678,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 392.0,
   "end_distance_m": 412.0,
   "start_elevation_m": 327.63704734334954,
   "end_elevation_m": 329.8167342063131,
   "min_gradient_pct": -0.10303637864012671,
   "suppressed_max_gradient_pct": 25.36500632708936,
   "suppressed_location_m": [
    93.0,
    113.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 10.50126002395632,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 390.0,
   "end_distance_m": 415.0,
   "start_elevation_m": 327.4569032166995,
   "end_elevation_m": 330.0822182226886,
   "min_gradient_pct": -0.04550382941920361,
   "suppressed_max_gradient_pct": 24.72615794846206,
   "suppressed_location_m": [
    89.0,
    114.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 9.595859008281536,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 365.0,
   "end_distance_m": 415.0,
   "start_elevation_m": 325.2842887185478,
   "end_elevation_m": 330.0822182226886,
   "min_gradient_pct": 0.22318422555679263,
   "suppressed_max_gradient_pct": 23.16332509965855,
   "suppressed_location_m": [
    65.0,
    115.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 9.161151529695928,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 342.0,
   "end_distance_m": 442.0,
   "start_elevation_m": 323.0898263950814,
   "end_elevation_m": 332.2509779247773,
   "min_gradient_pct": 0.414714556956028,
   "suppressed_max_gradient_pct": 15.25727826824766,
   "suppressed_location_m": [
    17.0,
    117.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.463,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 67.0,
  "shape_class": "stepped"
 },
 "length_m": 604.8172854877307,
 "start_elevation_m": 295.578409902341,
 "end_elevation_m": 335.1953393413123,
 "endpoint_gain_m": 39.61692943897134,
 "overall_gradient_pct": 6.550231018451109,
 "accumulated_ascent_m": 40.25702926509001,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 12.683672547034348,
   "start_distance_m": 347.0,
   "end_distance_m": 352.0,
   "midpoint_distance_m": 349.5,
   "start_elevation_m": 323.53022848652125,
   "end_elevation_m": 324.16441211387297,
   "start_xy": [
    2715783.7902962696,
    1115016.3410400075
   ],
   "end_xy": [
    2715788.7223720765,
    1115016.7930145287
   ]
  },
  "max_10m": {
   "gradient_pct": 11.904882063848277,
   "start_distance_m": 400.0,
   "end_distance_m": 410.0,
   "midpoint_distance_m": 405.0,
   "start_elevation_m": 328.44138352218414,
   "end_elevation_m": 329.63187172856897,
   "start_xy": [
    2715759.742258082,
    1115018.0795800206
   ],
   "end_xy": [
    2715751.660679892,
    1115012.4053476395
   ]
  },
  "max_20m": {
   "gradient_pct": 10.898434314817678,
   "start_distance_m": 392.0,
   "end_distance_m": 412.0,
   "midpoint_distance_m": 402.0,
   "start_elevation_m": 327.63704734334954,
   "end_elevation_m": 329.8167342063131,
   "start_xy": [
    2715764.4821600593,
    1115024.4921972333
   ],
   "end_xy": [
    2715749.693714131,
    1115012.0843331248
   ]
  },
  "max_25m": {
   "gradient_pct": 10.50126002395632,
   "start_distance_m": 390.0,
   "end_distance_m": 415.0,
   "midpoint_distance_m": 402.5,
   "start_elevation_m": 327.4569032166995,
   "end_elevation_m": 330.0822182226886,
   "start_xy": [
    2715765.832935232,
    1115025.9548018372
   ],
   "end_xy": [
    2715746.71046453,
    1115011.768073968
   ]
  },
  "max_50m": {
   "gradient_pct": 9.595859008281536,
   "start_distance_m": 365.0,
   "end_distance_m": 415.0,
   "midpoint_distance_m": 390.0,
   "start_elevation_m": 325.2842887185478,
   "end_elevation_m": 330.0822182226886,
   "start_xy": [
    2715788.822486583,
    1115026.697240114
   ],
   "end_xy": [
    2715746.71046453,
    1115011.768073968
   ]
  },
  "max_100m": {
   "gradient_pct": 9.161151529695928,
   "start_distance_m": 342.0,
   "end_distance_m": 442.0,
   "midpoint_distance_m": 392.0,
   "start_elevation_m": 323.0898263950814,
   "end_elevation_m": 332.2509779247773,
   "start_xy": [
    2715778.795676823,
    1115016.4936048596
   ],
   "end_xy": [
    2715719.7123071323,
    1115012.0147669287
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.257664038383609,
   "start_distance_m": 117.0,
   "end_distance_m": 122.0,
   "midpoint_distance_m": 119.5,
   "start_elevation_m": 311.28953169049674,
   "end_elevation_m": 311.02664848857756,
   "start_xy": [
    2715587.916279472,
    1114937.8306111721
   ],
   "end_xy": [
    2715583.9183025523,
    1114940.8222614592
   ]
  },
  "min_10m": {
   "gradient_pct": -0.3417065926646501,
   "start_distance_m": 541.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 546.0,
   "start_elevation_m": 334.997211779749,
   "end_elevation_m": 334.96304112048256,
   "start_xy": [
    2715621.5447463524,
    1115011.58453508
   ],
   "end_xy": [
    2715611.8130904604,
    1115013.8855037966
   ]
  },
  "min_20m": {
   "gradient_pct": -0.10303637864012671,
   "start_distance_m": 546.0,
   "end_distance_m": 566.0,
   "midpoint_distance_m": 556.0,
   "start_elevation_m": 335.00644309812225,
   "end_elevation_m": 334.9858358223942,
   "start_xy": [
    2715616.6785976132,
    1115012.733620297
   ],
   "end_xy": [
    2715597.197809798,
    1115017.2478903239
   ]
  },
  "min_25m": {
   "gradient_pct": -0.04550382941920361,
   "start_distance_m": 541.0,
   "end_distance_m": 566.0,
   "midpoint_distance_m": 553.5,
   "start_elevation_m": 334.997211779749,
   "end_elevation_m": 334.9858358223942,
   "start_xy": [
    2715621.5447463524,
    1115011.58453508
   ],
   "end_xy": [
    2715597.197809798,
    1115017.2478903239
   ]
  },
  "min_50m": {
   "gradient_pct": 0.22318422555679263,
   "start_distance_m": 527.0,
   "end_distance_m": 577.0,
   "midpoint_distance_m": 552.0,
   "start_elevation_m": 334.92480276519007,
   "end_elevation_m": 335.03639487796846,
   "start_xy": [
    2715635.4119501,
    1115009.7920916681
   ],
   "end_xy": [
    2715586.3227031105,
    1115018.900775132
   ]
  },
  "min_100m": {
   "gradient_pct": 0.414714556956028,
   "start_distance_m": 502.0,
   "end_distance_m": 602.0,
   "midpoint_distance_m": 552.0,
   "start_elevation_m": 334.75402945514014,
   "end_elevation_m": 335.16874401209617,
   "start_xy": [
    2715660.354486989,
    1115008.0980630107
   ],
   "end_xy": [
    2715561.606320323,
    1115022.6558128933
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 13.358848645791,
   "start_distance_m": 400.0,
   "end_distance_m": 402.0,
   "midpoint_distance_m": 401.0,
   "start_elevation_m": 328.44138352218414,
   "end_elevation_m": 328.70856049509996,
   "start_xy": [
    2715759.742258082,
    1115018.0795800206
   ],
   "end_xy": [
    2715758.3361416957,
    1115016.6573154274
   ]
  },
  "max_3m": {
   "gradient_pct": 13.548537813928382,
   "start_distance_m": 349.0,
   "end_distance_m": 352.0,
   "midpoint_distance_m": 350.5,
   "start_elevation_m": 323.7579559794551,
   "end_elevation_m": 324.16441211387297,
   "start_xy": [
    2715785.7880670237,
    1115016.2662278444
   ],
   "end_xy": [
    2715788.7223720765,
    1115016.7930145287
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.096,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 89.0,
     "end_m": 114.0,
     "raw_pct": 24.73,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 93.0,
     "end_m": 113.0,
     "raw_pct": 25.37,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 101.0,
     "end_m": 111.0,
     "raw_pct": 26.79,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 61.0,
     "end_m": 86.0,
     "raw_pct": 20.18,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 66.0,
     "end_m": 86.0,
     "raw_pct": 21.56,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    59.0,
    116.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "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_2022_2715-1114_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2715-1115_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T23:50:44+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": [
   "2715-1114",
   "2715-1115"
  ],
  "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": "Bellinzona",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}