{
 "ocl_version": "0.1.0",
 "name": "N\u00fcchenstrasse",
 "slug": "nuchenstrasse-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 37.5008416287983,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 6309.0,
   "end_distance_m": 6311.0,
   "start_elevation_m": 1422.8415275652694,
   "end_elevation_m": 1423.5915443978454,
   "min_gradient_pct": -43.29984145413732
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.557734836817872,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 6309.0,
   "end_distance_m": 6312.0,
   "start_elevation_m": 1422.8415275652694,
   "end_elevation_m": 1423.698259610374,
   "min_gradient_pct": -32.56783649448683
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.0952324388536,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5017.0,
   "end_distance_m": 5022.0,
   "start_elevation_m": 1299.5348999722098,
   "end_elevation_m": 1300.7396615941525,
   "min_gradient_pct": -22.471866785558632
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.386638001968777,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2709.0,
   "end_distance_m": 2719.0,
   "start_elevation_m": 995.9423963268181,
   "end_elevation_m": 997.881060127015,
   "min_gradient_pct": -9.102983587894187
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.612369011013925,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4165.0,
   "end_distance_m": 4185.0,
   "start_elevation_m": 1182.8216519170849,
   "end_elevation_m": 1186.5441257192876,
   "min_gradient_pct": -1.8480147400907754
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.336801484742864,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4165.0,
   "end_distance_m": 4190.0,
   "start_elevation_m": 1182.8216519170849,
   "end_elevation_m": 1187.4058522882706,
   "min_gradient_pct": -1.607932341016749
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.911977757567,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3790.0,
   "end_distance_m": 3840.0,
   "start_elevation_m": 1124.083006037024,
   "end_elevation_m": 1132.5389949158075,
   "min_gradient_pct": -1.121859691534155
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.675225151088625,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3790.0,
   "end_distance_m": 3890.0,
   "start_elevation_m": 1124.083006037024,
   "end_elevation_m": 1140.7582311881126,
   "min_gradient_pct": -0.29661645892383603
  }
 ],
 "shape": {
  "ascent_concentration": 0.326,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 1267.0,
  "shape_class": "sustained"
 },
 "length_m": 6594.130601141549,
 "start_elevation_m": 716.5443983818618,
 "end_elevation_m": 1435.4253008788926,
 "endpoint_gain_m": 718.8809024970308,
 "overall_gradient_pct": 10.901829914812136,
 "accumulated_ascent_m": 723.6744303717556,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.0952324388536,
   "start_distance_m": 5017.0,
   "end_distance_m": 5022.0,
   "midpoint_distance_m": 5019.5,
   "start_elevation_m": 1299.5348999722098,
   "end_elevation_m": 1300.7396615941525,
   "start_xy": [
    2736311.4547531866,
    1217309.7488905743
   ],
   "end_xy": [
    2736316.341896529,
    1217308.6925620495
   ]
  },
  "max_10m": {
   "gradient_pct": 19.386638001968777,
   "start_distance_m": 2709.0,
   "end_distance_m": 2719.0,
   "midpoint_distance_m": 2714.0,
   "start_elevation_m": 995.9423963268181,
   "end_elevation_m": 997.881060127015,
   "start_xy": [
    2735642.5465725074,
    1218050.119916683
   ],
   "end_xy": [
    2735632.6335568787,
    1218051.436017418
   ]
  },
  "max_20m": {
   "gradient_pct": 18.612369011013925,
   "start_distance_m": 4165.0,
   "end_distance_m": 4185.0,
   "midpoint_distance_m": 4175.0,
   "start_elevation_m": 1182.8216519170849,
   "end_elevation_m": 1186.5441257192876,
   "start_xy": [
    2736022.984396312,
    1217639.9497186115
   ],
   "end_xy": [
    2736029.7866019183,
    1217621.1524271378
   ]
  },
  "max_25m": {
   "gradient_pct": 18.336801484742864,
   "start_distance_m": 4165.0,
   "end_distance_m": 4190.0,
   "midpoint_distance_m": 4177.5,
   "start_elevation_m": 1182.8216519170849,
   "end_elevation_m": 1187.4058522882706,
   "start_xy": [
    2736022.984396312,
    1217639.9497186115
   ],
   "end_xy": [
    2736031.3407332576,
    1217616.4000934183
   ]
  },
  "max_50m": {
   "gradient_pct": 16.911977757567,
   "start_distance_m": 3790.0,
   "end_distance_m": 3840.0,
   "midpoint_distance_m": 3815.0,
   "start_elevation_m": 1124.083006037024,
   "end_elevation_m": 1132.5389949158075,
   "start_xy": [
    2735699.7482051197,
    1217777.7476214108
   ],
   "end_xy": [
    2735733.745416524,
    1217744.5950320428
   ]
  },
  "max_100m": {
   "gradient_pct": 16.675225151088625,
   "start_distance_m": 3790.0,
   "end_distance_m": 3890.0,
   "midpoint_distance_m": 3840.0,
   "start_elevation_m": 1124.083006037024,
   "end_elevation_m": 1140.7582311881126,
   "start_xy": [
    2735699.7482051197,
    1217777.7476214108
   ],
   "end_xy": [
    2735771.3186807856,
    1217715.9545626333
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -22.471866785558632,
   "start_distance_m": 2726.0,
   "end_distance_m": 2731.0,
   "midpoint_distance_m": 2728.5,
   "start_elevation_m": 998.4869250766371,
   "end_elevation_m": 997.3633317373592,
   "start_xy": [
    2735625.6944459383,
    1218052.3572879327
   ],
   "end_xy": [
    2735620.737938124,
    1218053.0153383003
   ]
  },
  "min_10m": {
   "gradient_pct": -9.102983587894187,
   "start_distance_m": 2725.0,
   "end_distance_m": 2735.0,
   "midpoint_distance_m": 2730.0,
   "start_elevation_m": 998.5305612459573,
   "end_elevation_m": 997.6202628871679,
   "start_xy": [
    2735626.6857475014,
    1218052.2256778593
   ],
   "end_xy": [
    2735616.7727318727,
    1218053.5417785943
   ]
  },
  "min_20m": {
   "gradient_pct": -1.8480147400907754,
   "start_distance_m": 6422.0,
   "end_distance_m": 6442.0,
   "midpoint_distance_m": 6432.0,
   "start_elevation_m": 1429.110978592474,
   "end_elevation_m": 1428.741375644456,
   "start_xy": [
    2735349.5552115934,
    1217226.1841125991
   ],
   "end_xy": [
    2735337.267361072,
    1217210.5072480524
   ]
  },
  "min_25m": {
   "gradient_pct": -1.607932341016749,
   "start_distance_m": 6417.0,
   "end_distance_m": 6442.0,
   "midpoint_distance_m": 6429.5,
   "start_elevation_m": 1429.1433587297101,
   "end_elevation_m": 1428.741375644456,
   "start_xy": [
    2735353.81830773,
    1217228.4461142865
   ],
   "end_xy": [
    2735337.267361072,
    1217210.5072480524
   ]
  },
  "min_50m": {
   "gradient_pct": -1.121859691534155,
   "start_distance_m": 6387.0,
   "end_distance_m": 6437.0,
   "midpoint_distance_m": 6412.0,
   "start_elevation_m": 1429.3877975383302,
   "end_elevation_m": 1428.8268676925632,
   "start_xy": [
    2735380.9962669653,
    1217219.2115002568
   ],
   "end_xy": [
    2735340.1575601227,
    1217214.5872908768
   ]
  },
  "min_100m": {
   "gradient_pct": -0.29661645892383603,
   "start_distance_m": 6378.0,
   "end_distance_m": 6478.0,
   "midpoint_distance_m": 6428.0,
   "start_elevation_m": 1429.4537693488837,
   "end_elevation_m": 1429.15715288996,
   "start_xy": [
    2735388.648113262,
    1217214.4734364902
   ],
   "end_xy": [
    2735312.114452964,
    1217185.3648668178
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 37.5008416287983,
   "start_distance_m": 6309.0,
   "end_distance_m": 6311.0,
   "midpoint_distance_m": 6310.0,
   "start_elevation_m": 1422.8415275652694,
   "end_elevation_m": 1423.5915443978454,
   "start_xy": [
    2735428.6767120305,
    1217159.5990758322
   ],
   "end_xy": [
    2735427.2868147762,
    1217161.0371946113
   ]
  },
  "max_3m": {
   "gradient_pct": 28.557734836817872,
   "start_distance_m": 6309.0,
   "end_distance_m": 6312.0,
   "midpoint_distance_m": 6310.5,
   "start_elevation_m": 1422.8415275652694,
   "end_elevation_m": 1423.698259610374,
   "start_xy": [
    2735428.6767120305,
    1217159.5990758322
   ],
   "end_xy": [
    2735426.5918661496,
    1217161.756254001
   ]
  }
 },
 "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"
  ]
 },
 "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_2020_2735-1217_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2735-1218_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2736-1217_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2736-1218_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2737-1217_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2737-1218_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:33:08+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": [
   "2735-1217",
   "2735-1218",
   "2736-1217",
   "2736-1218",
   "2737-1217",
   "2737-1218"
  ],
  "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": "Quarten",
  "county": "St. Gallen",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}