{
 "ocl_version": "0.1.0",
 "name": "Sonnenbergstrasse",
 "slug": "sonnenbergstrasse-4",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 36.636632501392796,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1467.0,
   "end_distance_m": 1469.0,
   "start_elevation_m": 773.6744012705838,
   "end_elevation_m": 774.4071339206116,
   "min_gradient_pct": -11.788961298520917,
   "suppressed_max_gradient_pct": 46.340267811535796,
   "suppressed_location_m": [
    2080.0,
    2082.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.962359024430345,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1467.0,
   "end_distance_m": 1470.0,
   "start_elevation_m": 773.6744012705838,
   "end_elevation_m": 774.5132720413167,
   "min_gradient_pct": -7.728863318610972,
   "suppressed_max_gradient_pct": 46.33646230117089,
   "suppressed_location_m": [
    2079.0,
    2082.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.76060145071915,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 229.0,
   "end_distance_m": 234.0,
   "start_elevation_m": 609.1584258100868,
   "end_elevation_m": 610.2464558826227,
   "min_gradient_pct": -3.0321050536940675,
   "suppressed_max_gradient_pct": 41.69658426035994,
   "suppressed_location_m": [
    2077.0,
    2082.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.126390110650846,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 841.0,
   "end_distance_m": 851.0,
   "start_elevation_m": 713.6914446954954,
   "end_elevation_m": 715.8040837065605,
   "min_gradient_pct": -0.5477089523526502,
   "suppressed_max_gradient_pct": 30.89420183677703,
   "suppressed_location_m": [
    2076.0,
    2086.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.700846066536656,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 835.0,
   "end_distance_m": 855.0,
   "start_elevation_m": 712.5065090319575,
   "end_elevation_m": 716.6466782452649,
   "min_gradient_pct": 1.1870001213270598,
   "suppressed_max_gradient_pct": 21.092074177768723,
   "suppressed_location_m": [
    2068.0,
    2088.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.36835327214203,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 836.0,
   "end_distance_m": 861.0,
   "start_elevation_m": 712.6984422920167,
   "end_elevation_m": 717.7905306100522,
   "min_gradient_pct": 1.2940064704398537
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.64842096125176,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 835.0,
   "end_distance_m": 885.0,
   "start_elevation_m": 712.5065090319575,
   "end_elevation_m": 722.3307195125834,
   "min_gradient_pct": 1.473588151119202
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.808400120814554,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 824.0,
   "end_distance_m": 924.0,
   "start_elevation_m": 710.4906622970806,
   "end_elevation_m": 729.2990624178951,
   "min_gradient_pct": 1.9271493189869489
  }
 ],
 "shape": {
  "ascent_concentration": 0.372,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 1014.0,
  "shape_class": "sustained"
 },
 "length_m": 2253.351578605821,
 "start_elevation_m": 577.5235188710864,
 "end_elevation_m": 841.4223668779478,
 "endpoint_gain_m": 263.8988480068614,
 "overall_gradient_pct": 11.711392510268599,
 "accumulated_ascent_m": 265.3098084800249,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.76060145071915,
   "start_distance_m": 229.0,
   "end_distance_m": 234.0,
   "midpoint_distance_m": 231.5,
   "start_elevation_m": 609.1584258100868,
   "end_elevation_m": 610.2464558826227,
   "start_xy": [
    2665512.199587691,
    1204308.9834108215
   ],
   "end_xy": [
    2665511.19098949,
    1204313.8706139138
   ]
  },
  "max_10m": {
   "gradient_pct": 21.126390110650846,
   "start_distance_m": 841.0,
   "end_distance_m": 851.0,
   "midpoint_distance_m": 846.0,
   "start_elevation_m": 713.6914446954954,
   "end_elevation_m": 715.8040837065605,
   "start_xy": [
    2664948.12059242,
    1204334.0482755075
   ],
   "end_xy": [
    2664938.1366209527,
    1204334.6142164432
   ]
  },
  "max_20m": {
   "gradient_pct": 20.700846066536656,
   "start_distance_m": 835.0,
   "end_distance_m": 855.0,
   "midpoint_distance_m": 845.0,
   "start_elevation_m": 712.5065090319575,
   "end_elevation_m": 716.6466782452649,
   "start_xy": [
    2664954.111002947,
    1204333.7091982313
   ],
   "end_xy": [
    2664934.143013281,
    1204334.8402547527
   ]
  },
  "max_25m": {
   "gradient_pct": 20.36835327214203,
   "start_distance_m": 836.0,
   "end_distance_m": 861.0,
   "midpoint_distance_m": 848.5,
   "start_elevation_m": 712.6984422920167,
   "end_elevation_m": 717.7905306100522,
   "start_xy": [
    2664953.112576591,
    1204333.7652764108
   ],
   "end_xy": [
    2664928.152599587,
    1204335.1792750987
   ]
  },
  "max_50m": {
   "gradient_pct": 19.64842096125176,
   "start_distance_m": 835.0,
   "end_distance_m": 885.0,
   "midpoint_distance_m": 860.0,
   "start_elevation_m": 712.5065090319575,
   "end_elevation_m": 722.3307195125834,
   "start_xy": [
    2664954.111002947,
    1204333.7091982313
   ],
   "end_xy": [
    2664904.19105205,
    1204336.5372525381
   ]
  },
  "max_100m": {
   "gradient_pct": 18.808400120814554,
   "start_distance_m": 824.0,
   "end_distance_m": 924.0,
   "midpoint_distance_m": 874.0,
   "start_elevation_m": 710.4906622970806,
   "end_elevation_m": 729.2990624178951,
   "start_xy": [
    2664965.093403548,
    1204333.08722863
   ],
   "end_xy": [
    2664865.2386999936,
    1204338.4628105108
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.0321050536940675,
   "start_distance_m": 1485.0,
   "end_distance_m": 1490.0,
   "midpoint_distance_m": 1487.5,
   "start_elevation_m": 775.2750182373746,
   "end_elevation_m": 775.1234129846899,
   "start_xy": [
    2664710.0152148837,
    1204033.6458807962
   ],
   "end_xy": [
    2664713.3827275215,
    1204029.9503412514
   ]
  },
  "min_10m": {
   "gradient_pct": -0.5477089523526502,
   "start_distance_m": 2100.0,
   "end_distance_m": 2110.0,
   "midpoint_distance_m": 2105.0,
   "start_elevation_m": 827.9989117892574,
   "end_elevation_m": 827.9441408940221,
   "start_xy": [
    2664479.044938508,
    1203819.3344097326
   ],
   "end_xy": [
    2664472.7748448364,
    1203827.1245261126
   ]
  },
  "min_20m": {
   "gradient_pct": 1.1870001213270598,
   "start_distance_m": 1307.0,
   "end_distance_m": 1327.0,
   "midpoint_distance_m": 1317.0,
   "start_elevation_m": 764.7921137945672,
   "end_elevation_m": 765.0295138188326,
   "start_xy": [
    2664651.006877038,
    1204197.7301617062
   ],
   "end_xy": [
    2664654.69169723,
    1204178.0792609628
   ]
  },
  "min_25m": {
   "gradient_pct": 1.2940064704398537,
   "start_distance_m": 1300.0,
   "end_distance_m": 1325.0,
   "midpoint_distance_m": 1312.5,
   "start_elevation_m": 764.6762351305084,
   "end_elevation_m": 764.9997367481184,
   "start_xy": [
    2664649.985856942,
    1204204.6552978377
   ],
   "end_xy": [
    2664654.2868068214,
    1204180.0378478914
   ]
  },
  "min_50m": {
   "gradient_pct": 1.473588151119202,
   "start_distance_m": 1277.0,
   "end_distance_m": 1327.0,
   "midpoint_distance_m": 1302.0,
   "start_elevation_m": 764.292719743273,
   "end_elevation_m": 765.0295138188326,
   "start_xy": [
    2664648.3022527476,
    1204227.5600324934
   ],
   "end_xy": [
    2664654.69169723,
    1204178.0792609628
   ]
  },
  "min_100m": {
   "gradient_pct": 1.9271493189869489,
   "start_distance_m": 1224.0,
   "end_distance_m": 1324.0,
   "midpoint_distance_m": 1274.0,
   "start_elevation_m": 763.0497908065047,
   "end_elevation_m": 764.9769401254916,
   "start_xy": [
    2664659.9687497322,
    1204279.174736569
   ],
   "end_xy": [
    2664654.084547181,
    1204181.0171797504
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 36.636632501392796,
   "start_distance_m": 1467.0,
   "end_distance_m": 1469.0,
   "midpoint_distance_m": 1468.0,
   "start_elevation_m": 773.6744012705838,
   "end_elevation_m": 774.4071339206116,
   "start_xy": [
    2664698.2142228303,
    1204047.218602548
   ],
   "end_xy": [
    2664699.4419138804,
    1204045.6397504641
   ]
  },
  "max_3m": {
   "gradient_pct": 27.962359024430345,
   "start_distance_m": 1467.0,
   "end_distance_m": 1470.0,
   "midpoint_distance_m": 1468.5,
   "start_elevation_m": 773.6744012705838,
   "end_elevation_m": 774.5132720413167,
   "start_xy": [
    2664698.2142228303,
    1204047.218602548
   ],
   "end_xy": [
    2664700.054860102,
    1204044.8496258722
   ]
  }
 },
 "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": 0.011,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 20.0,
     "start_m": 2068.0,
     "end_m": 2088.0,
     "raw_pct": 21.09,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 2076.0,
     "end_m": 2086.0,
     "raw_pct": 30.89,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 2077.0,
     "end_m": 2082.0,
     "raw_pct": 41.7,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    2066.0,
    2090.0
   ]
  ],
  "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_2022_2664-1203_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2664-1204_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2665-1203_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2665-1204_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-12T01:32:08+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-ch-ch/batch-switzerland-rchunk03.pbf",
  "osm_snapshot": "",
  "run_id": "texture-ch-ch-260912",
  "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": [
   "2664-1203",
   "2664-1204",
   "2665-1203",
   "2665-1204"
  ],
  "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": "Hergiswil (NW)",
  "county": "Nidwalden",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}