{
 "ocl_version": "0.1.0",
 "name": "Plandadeinstrasse",
 "slug": "plandadeinstrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 20.372050265871167,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 10.0,
   "end_distance_m": 12.0,
   "start_elevation_m": 906.0612571165357,
   "end_elevation_m": 906.4686981218531,
   "min_gradient_pct": 3.682914169621654
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.145596437328095,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 9.0,
   "end_distance_m": 12.0,
   "start_elevation_m": 905.8643302287333,
   "end_elevation_m": 906.4686981218531,
   "min_gradient_pct": 3.8302906107295107
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 19.877068282762593,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7.0,
   "end_distance_m": 12.0,
   "start_elevation_m": 905.474844707715,
   "end_elevation_m": 906.4686981218531,
   "min_gradient_pct": 4.811258713111783
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 18.172215932256677,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7.0,
   "end_distance_m": 17.0,
   "start_elevation_m": 905.474844707715,
   "end_elevation_m": 907.2920663009406,
   "min_gradient_pct": 4.882984629446128
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.90508749665412,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5.0,
   "end_distance_m": 25.0,
   "start_elevation_m": 905.167852162047,
   "end_elevation_m": 908.5488696613778,
   "min_gradient_pct": 5.981477953645253
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.43055500569153,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5.0,
   "end_distance_m": 30.0,
   "start_elevation_m": 905.167852162047,
   "end_elevation_m": 909.2754909134699,
   "min_gradient_pct": 6.303623598851118
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.423920142446605,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1.0,
   "end_distance_m": 51.0,
   "start_elevation_m": 904.71750756746,
   "end_elevation_m": 911.9294676386833,
   "min_gradient_pct": 6.760107356042681
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.476273218606934,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4.0,
   "end_distance_m": 104.0,
   "start_elevation_m": 905.0285364025212,
   "end_elevation_m": 917.5048096211282,
   "min_gradient_pct": 7.257231323834276
  }
 ],
 "shape": {
  "ascent_concentration": 0.276,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 235.0,
  "shape_class": "sustained"
 },
 "length_m": 1834.3045589864441,
 "start_elevation_m": 904.63074869531,
 "end_elevation_m": 1098.3453705195152,
 "endpoint_gain_m": 193.7146218242052,
 "overall_gradient_pct": 10.560657491427888,
 "accumulated_ascent_m": 193.7146218242052,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 19.877068282762593,
   "start_distance_m": 7.0,
   "end_distance_m": 12.0,
   "midpoint_distance_m": 9.5,
   "start_elevation_m": 905.474844707715,
   "end_elevation_m": 906.4686981218531,
   "start_xy": [
    2769422.0441372474,
    1206194.3646767624
   ],
   "end_xy": [
    2769418.673459943,
    1206198.0577154178
   ]
  },
  "max_10m": {
   "gradient_pct": 18.172215932256677,
   "start_distance_m": 7.0,
   "end_distance_m": 17.0,
   "midpoint_distance_m": 12.0,
   "start_elevation_m": 905.474844707715,
   "end_elevation_m": 907.2920663009406,
   "start_xy": [
    2769422.0441372474,
    1206194.3646767624
   ],
   "end_xy": [
    2769415.302782639,
    1206201.7507540733
   ]
  },
  "max_20m": {
   "gradient_pct": 16.90508749665412,
   "start_distance_m": 5.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 15.0,
   "start_elevation_m": 905.167852162047,
   "end_elevation_m": 908.5488696613778,
   "start_xy": [
    2769423.392408169,
    1206192.8874613
   ],
   "end_xy": [
    2769409.089062959,
    1206206.7398357603
   ]
  },
  "max_25m": {
   "gradient_pct": 16.43055500569153,
   "start_distance_m": 5.0,
   "end_distance_m": 30.0,
   "midpoint_distance_m": 17.5,
   "start_elevation_m": 905.167852162047,
   "end_elevation_m": 909.2754909134699,
   "start_xy": [
    2769423.392408169,
    1206192.8874613
   ],
   "end_xy": [
    2769405.037130968,
    1206209.6693147488
   ]
  },
  "max_50m": {
   "gradient_pct": 14.423920142446605,
   "start_distance_m": 1.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 26.0,
   "start_elevation_m": 904.71750756746,
   "end_elevation_m": 911.9294676386833,
   "start_xy": [
    2769424.6986873834,
    1206189.4513547735
   ],
   "end_xy": [
    2769389.7021096945,
    1206223.9676395503
   ]
  },
  "max_100m": {
   "gradient_pct": 12.476273218606934,
   "start_distance_m": 4.0,
   "end_distance_m": 104.0,
   "midpoint_distance_m": 54.0,
   "start_elevation_m": 905.0285364025212,
   "end_elevation_m": 917.5048096211282,
   "start_xy": [
    2769424.06654363,
    1206192.148853569
   ],
   "end_xy": [
    2769353.6885803808,
    1206262.7666620254
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 4.811258713111783,
   "start_distance_m": 1812.0,
   "end_distance_m": 1817.0,
   "midpoint_distance_m": 1814.5,
   "start_elevation_m": 1096.731136056876,
   "end_elevation_m": 1096.9716989925316,
   "start_xy": [
    2769473.8064736365,
    1206785.7772062526
   ],
   "end_xy": [
    2769468.81340952,
    1206785.6762471138
   ]
  },
  "min_10m": {
   "gradient_pct": 4.882984629446128,
   "start_distance_m": 1814.0,
   "end_distance_m": 1824.0,
   "midpoint_distance_m": 1819.0,
   "start_elevation_m": 1096.8567902742097,
   "end_elevation_m": 1097.3450887371544,
   "start_xy": [
    2769471.8104688083,
    1206785.8090462969
   ],
   "end_xy": [
    2769461.820271181,
    1206785.3663823535
   ]
  },
  "min_20m": {
   "gradient_pct": 5.981477953645253,
   "start_distance_m": 1805.0,
   "end_distance_m": 1825.0,
   "midpoint_distance_m": 1815.0,
   "start_elevation_m": 1096.223701351757,
   "end_elevation_m": 1097.419996942486,
   "start_xy": [
    2769480.7829768937,
    1206785.2213512463
   ],
   "end_xy": [
    2769460.821251418,
    1206785.3221159591
   ]
  },
  "min_25m": {
   "gradient_pct": 6.303623598851118,
   "start_distance_m": 1283.0,
   "end_distance_m": 1308.0,
   "midpoint_distance_m": 1295.5,
   "start_elevation_m": 1041.7755846347675,
   "end_elevation_m": 1043.3514905344803,
   "start_xy": [
    2769728.8274613074,
    1206550.4097635692
   ],
   "end_xy": [
    2769750.766459143,
    1206538.4372442493
   ]
  },
  "min_50m": {
   "gradient_pct": 6.760107356042681,
   "start_distance_m": 1278.0,
   "end_distance_m": 1328.0,
   "midpoint_distance_m": 1303.0,
   "start_elevation_m": 1041.383081658103,
   "end_elevation_m": 1044.7631353361244,
   "start_xy": [
    2769724.378290805,
    1206552.6911845827
   ],
   "end_xy": [
    2769768.1164819896,
    1206528.488540453
   ]
  },
  "min_100m": {
   "gradient_pct": 7.257231323834276,
   "start_distance_m": 1274.0,
   "end_distance_m": 1374.0,
   "midpoint_distance_m": 1324.0,
   "start_elevation_m": 1041.0677350360345,
   "end_elevation_m": 1048.3249663598688,
   "start_xy": [
    2769720.755851491,
    1206554.355194141
   ],
   "end_xy": [
    2769799.19796313,
    1206557.2542193003
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 20.372050265871167,
   "start_distance_m": 10.0,
   "end_distance_m": 12.0,
   "midpoint_distance_m": 11.0,
   "start_elevation_m": 906.0612571165357,
   "end_elevation_m": 906.4686981218531,
   "start_xy": [
    2769420.0217308644,
    1206196.5804999557
   ],
   "end_xy": [
    2769418.673459943,
    1206198.0577154178
   ]
  },
  "max_3m": {
   "gradient_pct": 20.145596437328095,
   "start_distance_m": 9.0,
   "end_distance_m": 12.0,
   "midpoint_distance_m": 10.5,
   "start_elevation_m": 905.8643302287333,
   "end_elevation_m": 906.4686981218531,
   "start_xy": [
    2769420.6958663254,
    1206195.8418922245
   ],
   "end_xy": [
    2769418.673459943,
    1206198.0577154178
   ]
  }
 },
 "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": {
  "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_2769-1206_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:48:28+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": [
   "2769-1206"
  ],
  "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": "Gr\u00fcsch",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}