{
 "ocl_version": "0.1.0",
 "name": "Dorfwaldstrasse",
 "slug": "dorfwaldstrasse-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 42.04357157653931,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 987.0,
   "end_distance_m": 989.0,
   "start_elevation_m": 1535.4288552185917,
   "end_elevation_m": 1536.2697266501225,
   "min_gradient_pct": -247.0820794762517,
   "suppressed_max_gradient_pct": 488.40160227399565,
   "suppressed_location_m": [
    2553.0,
    2555.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.792623258972224,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2744.0,
   "end_distance_m": 2747.0,
   "start_elevation_m": 1737.9829436271411,
   "end_elevation_m": 1738.9367223249103,
   "min_gradient_pct": -230.32639143094306,
   "suppressed_max_gradient_pct": 419.38890789429024,
   "suppressed_location_m": [
    2553.0,
    2556.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.896099742286424,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2744.0,
   "end_distance_m": 2749.0,
   "start_elevation_m": 1737.9829436271411,
   "end_elevation_m": 1739.2277486142555,
   "min_gradient_pct": -162.64413520237667,
   "suppressed_max_gradient_pct": 329.9707586422164,
   "suppressed_location_m": [
    2552.0,
    2557.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.692283264053458,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1147.0,
   "end_distance_m": 1157.0,
   "start_elevation_m": 1553.6255768752912,
   "end_elevation_m": 1555.7948052016966,
   "min_gradient_pct": -96.09593011790366,
   "suppressed_max_gradient_pct": 187.1185673106129,
   "suppressed_location_m": [
    2552.0,
    2562.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.906242505812088,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1146.0,
   "end_distance_m": 1166.0,
   "start_elevation_m": 1553.4794329460658,
   "end_elevation_m": 1556.8606814472282,
   "min_gradient_pct": -71.88389792959242,
   "suppressed_max_gradient_pct": 114.58892467628061,
   "suppressed_location_m": [
    2552.0,
    2572.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.806033043196294,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1146.0,
   "end_distance_m": 1171.0,
   "start_elevation_m": 1553.4794329460658,
   "end_elevation_m": 1557.4309412068649,
   "min_gradient_pct": -64.65164489603649,
   "suppressed_max_gradient_pct": 92.87352351859772,
   "suppressed_location_m": [
    2548.0,
    2573.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.519626404849078,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2952.0,
   "end_distance_m": 3002.0,
   "start_elevation_m": 1764.4077186466675,
   "end_elevation_m": 1771.667531849092,
   "min_gradient_pct": -26.208087208487086,
   "suppressed_max_gradient_pct": 51.54116692461548,
   "suppressed_location_m": [
    2523.0,
    2573.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.62789321479363,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2902.0,
   "end_distance_m": 3002.0,
   "start_elevation_m": 1758.0396386342984,
   "end_elevation_m": 1771.667531849092,
   "min_gradient_pct": -8.977422891385913,
   "suppressed_max_gradient_pct": 31.69877208568164,
   "suppressed_location_m": [
    2472.0,
    2572.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.308,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 390.0,
  "shape_class": "sustained"
 },
 "length_m": 3930.49999999989,
 "start_elevation_m": 1434.5451279394538,
 "end_elevation_m": 1878.3100058754305,
 "endpoint_gain_m": 443.76487793597676,
 "overall_gradient_pct": 11.29029075018418,
 "accumulated_ascent_m": 479.94961726337465,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.896099742286424,
   "start_distance_m": 2744.0,
   "end_distance_m": 2749.0,
   "midpoint_distance_m": 2746.5,
   "start_elevation_m": 1737.9829436271411,
   "end_elevation_m": 1739.2277486142555,
   "start_xy": [
    2748182.2907632226,
    1160365.2649843239
   ],
   "end_xy": [
    2748184.76790235,
    1160369.6082285696
   ]
  },
  "max_10m": {
   "gradient_pct": 21.692283264053458,
   "start_distance_m": 1147.0,
   "end_distance_m": 1157.0,
   "midpoint_distance_m": 1152.0,
   "start_elevation_m": 1553.6255768752912,
   "end_elevation_m": 1555.7948052016966,
   "start_xy": [
    2748103.6282259757,
    1160061.0191744487
   ],
   "end_xy": [
    2748112.913789303,
    1160064.731083643
   ]
  },
  "max_20m": {
   "gradient_pct": 16.906242505812088,
   "start_distance_m": 1146.0,
   "end_distance_m": 1166.0,
   "midpoint_distance_m": 1156.0,
   "start_elevation_m": 1553.4794329460658,
   "end_elevation_m": 1556.8606814472282,
   "start_xy": [
    2748102.699723802,
    1160060.6478475546
   ],
   "end_xy": [
    2748121.485738319,
    1160066.874019688
   ]
  },
  "max_25m": {
   "gradient_pct": 15.806033043196294,
   "start_distance_m": 1146.0,
   "end_distance_m": 1171.0,
   "midpoint_distance_m": 1158.5,
   "start_elevation_m": 1553.4794329460658,
   "end_elevation_m": 1557.4309412068649,
   "start_xy": [
    2748102.699723802,
    1160060.6478475546
   ],
   "end_xy": [
    2748126.4539618916,
    1160066.3112155613
   ]
  },
  "max_50m": {
   "gradient_pct": 14.519626404849078,
   "start_distance_m": 2952.0,
   "end_distance_m": 3002.0,
   "midpoint_distance_m": 2977.0,
   "start_elevation_m": 1764.4077186466675,
   "end_elevation_m": 1771.667531849092,
   "start_xy": [
    2748342.32011387,
    1160483.0893715576
   ],
   "end_xy": [
    2748382.549192827,
    1160511.9152681094
   ]
  },
  "max_100m": {
   "gradient_pct": 13.62789321479363,
   "start_distance_m": 2902.0,
   "end_distance_m": 3002.0,
   "midpoint_distance_m": 2952.0,
   "start_elevation_m": 1758.0396386342984,
   "end_elevation_m": 1771.667531849092,
   "start_xy": [
    2748304.707452739,
    1160452.1579678713
   ],
   "end_xy": [
    2748382.549192827,
    1160511.9152681094
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -162.64413520237667,
   "start_distance_m": 2635.0,
   "end_distance_m": 2640.0,
   "midpoint_distance_m": 2637.5,
   "start_elevation_m": 1733.7601619497825,
   "end_elevation_m": 1725.6279551896637,
   "start_xy": [
    2748105.9697806095,
    1160292.2770809769
   ],
   "end_xy": [
    2748110.8749778094,
    1160293.2461199746
   ]
  },
  "min_10m": {
   "gradient_pct": -96.09593011790366,
   "start_distance_m": 2630.0,
   "end_distance_m": 2640.0,
   "midpoint_distance_m": 2635.0,
   "start_elevation_m": 1735.237548201454,
   "end_elevation_m": 1725.6279551896637,
   "start_xy": [
    2748101.064773252,
    1160291.3070795217
   ],
   "end_xy": [
    2748110.8749778094,
    1160293.2461199746
   ]
  },
  "min_20m": {
   "gradient_pct": -71.88389792959242,
   "start_distance_m": 2619.0,
   "end_distance_m": 2639.0,
   "midpoint_distance_m": 2629.0,
   "start_elevation_m": 1740.5041158394347,
   "end_elevation_m": 1726.1273362535162,
   "start_xy": [
    2748090.2733773803,
    1160289.1750012352
   ],
   "end_xy": [
    2748109.8939138143,
    1160293.0524366626
   ]
  },
  "min_25m": {
   "gradient_pct": -64.65164489603649,
   "start_distance_m": 2615.0,
   "end_distance_m": 2640.0,
   "midpoint_distance_m": 2627.5,
   "start_elevation_m": 1741.7908664136728,
   "end_elevation_m": 1725.6279551896637,
   "start_xy": [
    2748086.3493590965,
    1160288.399062795
   ],
   "end_xy": [
    2748110.8749778094,
    1160293.2461199746
   ]
  },
  "min_50m": {
   "gradient_pct": -26.208087208487086,
   "start_distance_m": 2612.0,
   "end_distance_m": 2662.0,
   "midpoint_distance_m": 2637.0,
   "start_elevation_m": 1741.9346834779785,
   "end_elevation_m": 1728.830639873735,
   "start_xy": [
    2748083.4061396196,
    1160287.818151974
   ],
   "end_xy": [
    2748128.9309455166,
    1160305.413693796
   ]
  },
  "min_100m": {
   "gradient_pct": -8.977422891385913,
   "start_distance_m": 2572.0,
   "end_distance_m": 2672.0,
   "midpoint_distance_m": 2622.0,
   "start_elevation_m": 1738.74643723032,
   "end_elevation_m": 1729.769014338934,
   "start_xy": [
    2748044.165094116,
    1160280.063142975
   ],
   "end_xy": [
    2748136.8727344843,
    1160311.4905321994
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 42.04357157653931,
   "start_distance_m": 987.0,
   "end_distance_m": 989.0,
   "midpoint_distance_m": 988.0,
   "start_elevation_m": 1535.4288552185917,
   "end_elevation_m": 1536.2697266501225,
   "start_xy": [
    2747964.033525888,
    1159993.9197891029
   ],
   "end_xy": [
    2747965.4006725457,
    1159995.3701389055
   ]
  },
  "max_3m": {
   "gradient_pct": 31.792623258972224,
   "start_distance_m": 2744.0,
   "end_distance_m": 2747.0,
   "midpoint_distance_m": 2745.5,
   "start_elevation_m": 1737.9829436271411,
   "end_elevation_m": 1738.9367223249103,
   "start_xy": [
    2748182.2907632226,
    1160365.2649843239
   ],
   "end_xy": [
    2748183.776809772,
    1160367.8710660439
   ]
  }
 },
 "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": 0.042,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "placement_suppression": {
   "masked_fraction": 0.043,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.055,
   "windows_resited": [
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 1286.0,
     "end_m": 1311.0,
     "raw_pct": 18.16,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 1290.0,
     "end_m": 1310.0,
     "raw_pct": 17.91,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 2688.0,
     "end_m": 2693.0,
     "raw_pct": 27.76,
     "reason": "spike+mask-edge"
    },
    {
     "window_m": 5.0,
     "start_m": 1036.0,
     "end_m": 1041.0,
     "raw_pct": 26.38,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    1034.0,
    1043.0
   ],
   [
    1284.0,
    1313.0
   ],
   [
    1772.0,
    1778.0
   ],
   [
    2089.0,
    2095.0
   ],
   [
    2192.0,
    2197.0
   ],
   [
    2534.0,
    2652.0
   ],
   [
    2682.0,
    2695.0
   ],
   [
    2738.0,
    2743.0
   ],
   [
    3105.0,
    3111.0
   ],
   [
    3689.0,
    3699.0
   ]
  ],
  "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_2023_2747-1159_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2747-1160_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2748-1159_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2748-1160_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T21:47:58+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10.osm.pbf",
  "osm_snapshot": "2026-09-09T20:21:20Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "2747-1159",
   "2747-1160",
   "2748-1159",
   "2748-1160"
  ],
  "route_cut_m": 3930.5,
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "structure_mask_ranges_m": [
   [
    2614.4,
    2644.4
   ],
   [
    2614.3,
    2644.3
   ],
   [
    2606.5,
    2636.5
   ],
   [
    2606.3,
    2636.3
   ],
   [
    2539.3,
    2569.3
   ]
  ],
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sufers",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}