{
 "ocl_version": "0.1.0",
 "name": "Nunningerstrasse",
 "slug": "nunningerstrasse-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 27.699714724394653,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 79.0,
   "end_distance_m": 81.0,
   "start_elevation_m": 344.93041613275835,
   "end_elevation_m": 345.48441042724625,
   "min_gradient_pct": -4.587149973227156
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.45680087328704,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 79.0,
   "end_distance_m": 82.0,
   "start_elevation_m": 344.93041613275835,
   "end_elevation_m": 345.72412015895696,
   "min_gradient_pct": -3.4628594020148284
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.00396842288319,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 79.0,
   "end_distance_m": 84.0,
   "start_elevation_m": 344.93041613275835,
   "end_elevation_m": 346.2306145539025,
   "min_gradient_pct": -1.5254505842779054
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.09900722103737,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 75.0,
   "end_distance_m": 85.0,
   "start_elevation_m": 343.97207579625996,
   "end_elevation_m": 346.4819765183637,
   "min_gradient_pct": 2.483365384211993
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.553549765906382,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 74.0,
   "end_distance_m": 94.0,
   "start_elevation_m": 343.7689055390698,
   "end_elevation_m": 348.2796154922511,
   "min_gradient_pct": 2.77873888061265
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.664491860104363,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 67.0,
   "end_distance_m": 92.0,
   "start_elevation_m": 342.5110922860243,
   "end_elevation_m": 347.92721525105037,
   "min_gradient_pct": 2.772797337980819
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.076679641341002,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 125.0,
   "end_distance_m": 175.0,
   "start_elevation_m": 353.46304086289547,
   "end_elevation_m": 363.50138068356597,
   "min_gradient_pct": 2.9271470993584217
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.543392798854825,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 74.0,
   "end_distance_m": 174.0,
   "start_elevation_m": 343.7689055390698,
   "end_elevation_m": 363.31229833792463,
   "min_gradient_pct": 3.0421587812059556
  }
 ],
 "shape": {
  "ascent_concentration": 0.419,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 203.0,
  "shape_class": "sustained"
 },
 "length_m": 2615.4000000000906,
 "start_elevation_m": 331.9298409775537,
 "end_elevation_m": 498.2428200469882,
 "endpoint_gain_m": 166.3129790694345,
 "overall_gradient_pct": 6.358988264488367,
 "accumulated_ascent_m": 167.04236133071367,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.00396842288319,
   "start_distance_m": 79.0,
   "end_distance_m": 84.0,
   "midpoint_distance_m": 81.5,
   "start_elevation_m": 344.93041613275835,
   "end_elevation_m": 346.2306145539025,
   "start_xy": [
    2611603.686871002,
    1254417.7928493456
   ],
   "end_xy": [
    2611608.6800182895,
    1254418.0474058997
   ]
  },
  "max_10m": {
   "gradient_pct": 25.09900722103737,
   "start_distance_m": 75.0,
   "end_distance_m": 85.0,
   "midpoint_distance_m": 80.0,
   "start_elevation_m": 343.97207579625996,
   "end_elevation_m": 346.4819765183637,
   "start_xy": [
    2611599.6936013997,
    1254417.560905787
   ],
   "end_xy": [
    2611609.6796532706,
    1254418.0744226384
   ]
  },
  "max_20m": {
   "gradient_pct": 22.553549765906382,
   "start_distance_m": 74.0,
   "end_distance_m": 94.0,
   "midpoint_distance_m": 84.0,
   "start_elevation_m": 343.7689055390698,
   "end_elevation_m": 348.2796154922511,
   "start_xy": [
    2611598.6952858292,
    1254417.502888355
   ],
   "end_xy": [
    2611618.6763723767,
    1254418.3174150542
   ]
  },
  "max_25m": {
   "gradient_pct": 21.664491860104363,
   "start_distance_m": 67.0,
   "end_distance_m": 92.0,
   "midpoint_distance_m": 79.5,
   "start_elevation_m": 342.5110922860243,
   "end_elevation_m": 347.92721525105037,
   "start_xy": [
    2611591.707013112,
    1254417.0978725057
   ],
   "end_xy": [
    2611616.6771016964,
    1254418.263408154
   ]
  },
  "max_50m": {
   "gradient_pct": 20.076679641341002,
   "start_distance_m": 125.0,
   "end_distance_m": 175.0,
   "midpoint_distance_m": 150.0,
   "start_elevation_m": 353.46304086289547,
   "end_elevation_m": 363.50138068356597,
   "start_xy": [
    2611649.260769023,
    1254414.5027596743
   ],
   "end_xy": [
    2611699.174631207,
    1254412.357669163
   ]
  },
  "max_100m": {
   "gradient_pct": 19.543392798854825,
   "start_distance_m": 74.0,
   "end_distance_m": 174.0,
   "midpoint_distance_m": 124.0,
   "start_elevation_m": 343.7689055390698,
   "end_elevation_m": 363.31229833792463,
   "start_xy": [
    2611598.6952858292,
    1254417.502888355
   ],
   "end_xy": [
    2611698.1747160153,
    1254412.3706916918
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.5254505842779054,
   "start_distance_m": 201.0,
   "end_distance_m": 206.0,
   "midpoint_distance_m": 203.5,
   "start_elevation_m": 367.420766861536,
   "end_elevation_m": 367.3444943323221,
   "start_xy": [
    2611720.5957343886,
    1254401.868222741
   ],
   "end_xy": [
    2611723.941454304,
    1254398.2110001713
   ]
  },
  "min_10m": {
   "gradient_pct": 2.483365384211993,
   "start_distance_m": 1352.0,
   "end_distance_m": 1362.0,
   "midpoint_distance_m": 1357.0,
   "start_elevation_m": 443.44920839337976,
   "end_elevation_m": 443.69754493180096,
   "start_xy": [
    2611666.4429816836,
    1253892.0270468295
   ],
   "end_xy": [
    2611656.977569422,
    1253888.8315154137
   ]
  },
  "min_20m": {
   "gradient_pct": 2.77873888061265,
   "start_distance_m": 1768.0,
   "end_distance_m": 1788.0,
   "midpoint_distance_m": 1778.0,
   "start_elevation_m": 461.97327723543117,
   "end_elevation_m": 462.5290250115537,
   "start_xy": [
    2611296.2175149275,
    1253714.2535851353
   ],
   "end_xy": [
    2611281.0140459673,
    1253701.2591840513
   ]
  },
  "min_25m": {
   "gradient_pct": 2.772797337980819,
   "start_distance_m": 1762.0,
   "end_distance_m": 1787.0,
   "midpoint_distance_m": 1774.5,
   "start_elevation_m": 461.79694644526074,
   "end_elevation_m": 462.49014577975595,
   "start_xy": [
    2611300.7788428986,
    1253718.1515690426
   ],
   "end_xy": [
    2611281.774353162,
    1253701.9087476344
   ]
  },
  "min_50m": {
   "gradient_pct": 2.9271470993584217,
   "start_distance_m": 1768.0,
   "end_distance_m": 1818.0,
   "midpoint_distance_m": 1793.0,
   "start_elevation_m": 461.97327723543117,
   "end_elevation_m": 463.4368507851104,
   "start_xy": [
    2611296.2175149275,
    1253714.2535851353
   ],
   "end_xy": [
    2611258.2089765132,
    1253681.7674259963
   ]
  },
  "min_100m": {
   "gradient_pct": 3.0421587812059556,
   "start_distance_m": 1737.0,
   "end_distance_m": 1837.0,
   "midpoint_distance_m": 1787.0,
   "start_elevation_m": 460.9799285067478,
   "end_elevation_m": 464.02208728795375,
   "start_xy": [
    2611320.2578636254,
    1253733.81897337
   ],
   "end_xy": [
    2611243.762174571,
    1253669.4268519008
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 27.699714724394653,
   "start_distance_m": 79.0,
   "end_distance_m": 81.0,
   "midpoint_distance_m": 80.0,
   "start_elevation_m": 344.93041613275835,
   "end_elevation_m": 345.48441042724625,
   "start_xy": [
    2611603.686871002,
    1254417.7928493456
   ],
   "end_xy": [
    2611605.683558657,
    1254417.9079033053
   ]
  },
  "max_3m": {
   "gradient_pct": 26.45680087328704,
   "start_distance_m": 79.0,
   "end_distance_m": 82.0,
   "midpoint_distance_m": 80.5,
   "start_elevation_m": 344.93041613275835,
   "end_elevation_m": 345.72412015895696,
   "start_xy": [
    2611603.686871002,
    1254417.7928493456
   ],
   "end_xy": [
    2611606.6818800103,
    1254417.9658200408
   ]
  }
 },
 "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_2025_2610-1252_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2610-1253_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2611-1253_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2611-1254_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2612-1253_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2612-1254_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T06:48:45+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-extent-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": [
   "2610-1252",
   "2610-1253",
   "2611-1253",
   "2611-1254",
   "2612-1253",
   "2612-1254"
  ],
  "route_cut_m": 2615.4,
  "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": "Grellingen",
  "county": "Basel-Landschaft",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}