{
 "ocl_version": "0.1.0",
 "name": "Bergli-Franz-Allee",
 "slug": "bergli-franz-allee",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 37.824613385700445,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 55.0,
   "end_distance_m": 57.0,
   "start_elevation_m": 449.06406481412535,
   "end_elevation_m": 449.82055708183935,
   "min_gradient_pct": -7.123669926403409
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.696834896606255,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 93.0,
   "end_distance_m": 96.0,
   "start_elevation_m": 456.2767376751415,
   "end_elevation_m": 457.28764272203966,
   "min_gradient_pct": -3.5138084972970773
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.23525346014753,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 91.0,
   "end_distance_m": 96.0,
   "start_elevation_m": 455.6758800490323,
   "end_elevation_m": 457.28764272203966,
   "min_gradient_pct": -2.9509609452782115
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.4904400830917,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 90.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 455.46934823814576,
   "end_elevation_m": 458.2183922464549,
   "min_gradient_pct": 1.5215381196884437
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.754766018619193,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 78.0,
   "end_distance_m": 98.0,
   "start_elevation_m": 452.9900752291011,
   "end_elevation_m": 457.7410284328249,
   "min_gradient_pct": 2.797884825817789
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.088012218879385,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 75.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 452.4463891917351,
   "end_elevation_m": 458.2183922464549,
   "min_gradient_pct": 3.1792469170543427
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.196146855397387,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 50.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 448.12031881875623,
   "end_elevation_m": 458.2183922464549,
   "min_gradient_pct": 5.9040609215627455
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.38441425762676,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 72.0,
   "end_distance_m": 172.0,
   "start_elevation_m": 451.8677022415016,
   "end_elevation_m": 469.25211649912836,
   "min_gradient_pct": 10.616379335403053
  }
 ],
 "shape": {
  "ascent_concentration": 0.337,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 150.0,
  "shape_class": "sustained"
 },
 "length_m": 287.69975082098824,
 "start_elevation_m": 442.3506477665993,
 "end_elevation_m": 482.621544951892,
 "endpoint_gain_m": 40.27089718529271,
 "overall_gradient_pct": 13.997543296570305,
 "accumulated_ascent_m": 40.63738188625808,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.23525346014753,
   "start_distance_m": 91.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 93.5,
   "start_elevation_m": 455.6758800490323,
   "end_elevation_m": 457.28764272203966,
   "start_xy": [
    2670023.226328433,
    1202342.7716542764
   ],
   "end_xy": [
    2670027.9522458315,
    1202344.4043528836
   ]
  },
  "max_10m": {
   "gradient_pct": 27.4904400830917,
   "start_distance_m": 90.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 95.0,
   "start_elevation_m": 455.46934823814576,
   "end_elevation_m": 458.2183922464549,
   "start_xy": [
    2670022.2811449533,
    1202342.4451145548
   ],
   "end_xy": [
    2670031.7329797507,
    1202345.7105117694
   ]
  },
  "max_20m": {
   "gradient_pct": 23.754766018619193,
   "start_distance_m": 78.0,
   "end_distance_m": 98.0,
   "midpoint_distance_m": 88.0,
   "start_elevation_m": 452.9900752291011,
   "end_elevation_m": 457.7410284328249,
   "start_xy": [
    2670010.938943197,
    1202338.5266378976
   ],
   "end_xy": [
    2670029.842612791,
    1202345.0574323265
   ]
  },
  "max_25m": {
   "gradient_pct": 23.088012218879385,
   "start_distance_m": 75.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 87.5,
   "start_elevation_m": 452.4463891917351,
   "end_elevation_m": 458.2183922464549,
   "start_xy": [
    2670008.1033927575,
    1202337.5470187333
   ],
   "end_xy": [
    2670031.7329797507,
    1202345.7105117694
   ]
  },
  "max_50m": {
   "gradient_pct": 20.196146855397387,
   "start_distance_m": 50.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 75.0,
   "start_elevation_m": 448.12031881875623,
   "end_elevation_m": 458.2183922464549,
   "start_xy": [
    2669985.412576899,
    1202327.5743160378
   ],
   "end_xy": [
    2670031.7329797507,
    1202345.7105117694
   ]
  },
  "max_100m": {
   "gradient_pct": 17.38441425762676,
   "start_distance_m": 72.0,
   "end_distance_m": 172.0,
   "midpoint_distance_m": 122.0,
   "start_elevation_m": 451.8677022415016,
   "end_elevation_m": 469.25211649912836,
   "start_xy": [
    2670005.2678423184,
    1202336.567399569
   ],
   "end_xy": [
    2670097.081307953,
    1202370.0041307
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.9509609452782115,
   "start_distance_m": 100.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 102.5,
   "start_elevation_m": 458.2183922464549,
   "end_elevation_m": 458.070844199191,
   "start_xy": [
    2670031.7329797507,
    1202345.7105117694
   ],
   "end_xy": [
    2670036.710816558,
    1202345.7542086996
   ]
  },
  "min_10m": {
   "gradient_pct": 1.5215381196884437,
   "start_distance_m": 275.0,
   "end_distance_m": 285.0,
   "midpoint_distance_m": 280.0,
   "start_elevation_m": 482.3634958043822,
   "end_elevation_m": 482.515649616351,
   "start_xy": [
    2670194.2818879904,
    1202401.2803452383
   ],
   "end_xy": [
    2670203.7601149096,
    1202404.468324923
   ]
  },
  "min_20m": {
   "gradient_pct": 2.797884825817789,
   "start_distance_m": 267.0,
   "end_distance_m": 287.0,
   "midpoint_distance_m": 277.0,
   "start_elevation_m": 482.0498618934421,
   "end_elevation_m": 482.60943885860564,
   "start_xy": [
    2670186.699306455,
    1202398.7299614907
   ],
   "end_xy": [
    2670205.6557602934,
    1202405.1059208598
   ]
  },
  "min_25m": {
   "gradient_pct": 3.1792469170543427,
   "start_distance_m": 262.0,
   "end_distance_m": 287.0,
   "midpoint_distance_m": 274.5,
   "start_elevation_m": 481.81462712934206,
   "end_elevation_m": 482.60943885860564,
   "start_xy": [
    2670181.9172995933,
    1202397.2790584492
   ],
   "end_xy": [
    2670205.6557602934,
    1202405.1059208598
   ]
  },
  "min_50m": {
   "gradient_pct": 5.9040609215627455,
   "start_distance_m": 237.0,
   "end_distance_m": 287.0,
   "midpoint_distance_m": 262.0,
   "start_elevation_m": 479.65740839782427,
   "end_elevation_m": 482.60943885860564,
   "start_xy": [
    2670157.454389325,
    1202392.288364887
   ],
   "end_xy": [
    2670205.6557602934,
    1202405.1059208598
   ]
  },
  "min_100m": {
   "gradient_pct": 10.616379335403053,
   "start_distance_m": 187.0,
   "end_distance_m": 287.0,
   "midpoint_distance_m": 237.0,
   "start_elevation_m": 471.9930595232026,
   "end_elevation_m": 482.60943885860564,
   "start_xy": [
    2670109.6249857107,
    1202378.2294664572
   ],
   "end_xy": [
    2670205.6557602934,
    1202405.1059208598
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 37.824613385700445,
   "start_distance_m": 55.0,
   "end_distance_m": 57.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 449.06406481412535,
   "end_elevation_m": 449.82055708183935,
   "start_xy": [
    2669989.4684407273,
    1202330.498348973
   ],
   "end_xy": [
    2669991.0907862587,
    1202331.667962147
   ]
  },
  "max_3m": {
   "gradient_pct": 33.696834896606255,
   "start_distance_m": 93.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 94.5,
   "start_elevation_m": 456.2767376751415,
   "end_elevation_m": 457.28764272203966,
   "start_xy": [
    2670025.1166953924,
    1202343.4247337193
   ],
   "end_xy": [
    2670027.9522458315,
    1202344.4043528836
   ]
  }
 },
 "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_2022_2669-1202_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2670-1202_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:08:54+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": [
   "2669-1202",
   "2670-1202"
  ],
  "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": "Stans",
  "county": "Nidwalden",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}