{
 "ocl_version": "0.1.0",
 "name": "Rossistrasse",
 "slug": "rossistrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.96884205474271,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 275.0,
   "end_distance_m": 277.0,
   "start_elevation_m": 1004.1757770642317,
   "end_elevation_m": 1004.8351539053266,
   "min_gradient_pct": 2.8699634212614455
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.64127398841659,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 275.0,
   "end_distance_m": 278.0,
   "start_elevation_m": 1004.1757770642317,
   "end_elevation_m": 1005.0650152838842,
   "min_gradient_pct": 3.770175392821784
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.56886423555079,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 274.0,
   "end_distance_m": 279.0,
   "start_elevation_m": 1003.9623798497314,
   "end_elevation_m": 1005.290823061509,
   "min_gradient_pct": 5.262663806850014
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.136454142527782,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 290.0,
   "end_distance_m": 300.0,
   "start_elevation_m": 1007.7576707446221,
   "end_elevation_m": 1010.2713161588749,
   "min_gradient_pct": 10.680535709843753
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.6054205788397,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 284.0,
   "end_distance_m": 304.0,
   "start_elevation_m": 1006.3036522611941,
   "end_elevation_m": 1011.224736376962,
   "min_gradient_pct": 13.097968015707124
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.382156378572745,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 275.0,
   "end_distance_m": 300.0,
   "start_elevation_m": 1004.1757770642317,
   "end_elevation_m": 1010.2713161588749,
   "min_gradient_pct": 13.102533746664449
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.388658050533877,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 259.0,
   "end_distance_m": 309.0,
   "start_elevation_m": 1000.6982682135623,
   "end_elevation_m": 1012.3925972388292,
   "min_gradient_pct": 13.904208049807039
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.744530190865248,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 213.0,
   "end_distance_m": 313.0,
   "start_elevation_m": 991.5290135878167,
   "end_elevation_m": 1013.273543778682,
   "min_gradient_pct": 15.103833253637617
  }
 ],
 "shape": {
  "ascent_concentration": 0.317,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 313.0,
  "shape_class": "sustained"
 },
 "length_m": 313.85747993565275,
 "start_elevation_m": 958.166477988279,
 "end_elevation_m": 1013.4618899092428,
 "endpoint_gain_m": 55.29541192096383,
 "overall_gradient_pct": 17.61800035235755,
 "accumulated_ascent_m": 55.29541192096383,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.56886423555079,
   "start_distance_m": 274.0,
   "end_distance_m": 279.0,
   "midpoint_distance_m": 276.5,
   "start_elevation_m": 1003.9623798497314,
   "end_elevation_m": 1005.290823061509,
   "start_xy": [
    2622060.2430967283,
    1159902.2977231604
   ],
   "end_xy": [
    2622065.235131365,
    1159902.0156058287
   ]
  },
  "max_10m": {
   "gradient_pct": 25.136454142527782,
   "start_distance_m": 290.0,
   "end_distance_m": 300.0,
   "midpoint_distance_m": 295.0,
   "start_elevation_m": 1007.7576707446221,
   "end_elevation_m": 1010.2713161588749,
   "start_xy": [
    2622076.2238274384,
    1159902.213849025
   ],
   "end_xy": [
    2622086.215315486,
    1159902.6263615694
   ]
  },
  "max_20m": {
   "gradient_pct": 24.6054205788397,
   "start_distance_m": 284.0,
   "end_distance_m": 304.0,
   "midpoint_distance_m": 294.0,
   "start_elevation_m": 1006.3036522611941,
   "end_elevation_m": 1011.224736376962,
   "start_xy": [
    2622070.2289346103,
    1159901.9663414985
   ],
   "end_xy": [
    2622090.2119107046,
    1159902.7913665872
   ]
  },
  "max_25m": {
   "gradient_pct": 24.382156378572745,
   "start_distance_m": 275.0,
   "end_distance_m": 300.0,
   "midpoint_distance_m": 287.5,
   "start_elevation_m": 1004.1757770642317,
   "end_elevation_m": 1010.2713161588749,
   "start_xy": [
    2622061.2415036554,
    1159902.2412996942
   ],
   "end_xy": [
    2622086.215315486,
    1159902.6263615694
   ]
  },
  "max_50m": {
   "gradient_pct": 23.388658050533877,
   "start_distance_m": 259.0,
   "end_distance_m": 309.0,
   "midpoint_distance_m": 284.0,
   "start_elevation_m": 1000.6982682135623,
   "end_elevation_m": 1012.3925972388292,
   "start_xy": [
    2622045.3061434017,
    1159901.3443201284
   ],
   "end_xy": [
    2622095.2076547286,
    1159902.9976228594
   ]
  },
  "max_100m": {
   "gradient_pct": 21.744530190865248,
   "start_distance_m": 213.0,
   "end_distance_m": 313.0,
   "midpoint_distance_m": 263.0,
   "start_elevation_m": 991.5290135878167,
   "end_elevation_m": 1013.273543778682,
   "start_xy": [
    2621999.7628339115,
    1159902.9757682953
   ],
   "end_xy": [
    2622099.2042499473,
    1159903.1626278772
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 5.262663806850014,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 958.166477988279,
   "end_elevation_m": 958.4296111786215,
   "start_xy": [
    2621806.861,
    1159851.305
   ],
   "end_xy": [
    2621811.817106973,
    1159851.9281971606
   ]
  },
  "min_10m": {
   "gradient_pct": 10.680535709843753,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 958.166477988279,
   "end_elevation_m": 959.2345315592634,
   "start_xy": [
    2621806.861,
    1159851.305
   ],
   "end_xy": [
    2621816.6649077674,
    1159853.1524632496
   ]
  },
  "min_20m": {
   "gradient_pct": 13.097968015707124,
   "start_distance_m": 112.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 122.0,
   "start_elevation_m": 975.3973658818384,
   "end_elevation_m": 978.0169594849798,
   "start_xy": [
    2621904.8360884236,
    1159885.3781659314
   ],
   "end_xy": [
    2621923.332042697,
    1159879.5731828837
   ]
  },
  "min_25m": {
   "gradient_pct": 13.102533746664449,
   "start_distance_m": 107.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 119.5,
   "start_elevation_m": 974.7413260483137,
   "end_elevation_m": 978.0169594849798,
   "start_xy": [
    2621900.285982719,
    1159887.4509751557
   ],
   "end_xy": [
    2621923.332042697,
    1159879.5731828837
   ]
  },
  "min_50m": {
   "gradient_pct": 13.904208049807039,
   "start_distance_m": 90.0,
   "end_distance_m": 140.0,
   "midpoint_distance_m": 115.0,
   "start_elevation_m": 972.243244133034,
   "end_elevation_m": 979.1953481579375,
   "start_xy": [
    2621884.297367568,
    1159892.8119053585
   ],
   "end_xy": [
    2621931.259990548,
    1159880.6444638323
   ]
  },
  "min_100m": {
   "gradient_pct": 15.103833253637617,
   "start_distance_m": 40.0,
   "end_distance_m": 140.0,
   "midpoint_distance_m": 90.0,
   "start_elevation_m": 964.0915149042999,
   "end_elevation_m": 979.1953481579375,
   "start_xy": [
    2621840.8121637627,
    1159870.5829717796
   ],
   "end_xy": [
    2621931.259990548,
    1159880.6444638323
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.96884205474271,
   "start_distance_m": 275.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 276.0,
   "start_elevation_m": 1004.1757770642317,
   "end_elevation_m": 1004.8351539053266,
   "start_xy": [
    2622061.2415036554,
    1159902.2412996942
   ],
   "end_xy": [
    2622063.23831751,
    1159902.1284527616
   ]
  },
  "max_3m": {
   "gradient_pct": 29.64127398841659,
   "start_distance_m": 275.0,
   "end_distance_m": 278.0,
   "midpoint_distance_m": 276.5,
   "start_elevation_m": 1004.1757770642317,
   "end_elevation_m": 1005.0650152838842,
   "start_xy": [
    2622061.2415036554,
    1159902.2412996942
   ],
   "end_xy": [
    2622064.236724437,
    1159902.0720292951
   ]
  }
 },
 "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_2025_2621-1159_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2622-1159_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:36:37+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-run6-260910",
  "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": [
   "2621-1159",
   "2622-1159"
  ],
  "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": "Reichenbach im Kandertal",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}