{
 "ocl_version": "0.1.0",
 "name": "Eyholzerwaldstrasse",
 "slug": "eyholzerwaldstrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.94076193960609,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 724.0,
   "end_distance_m": 726.0,
   "start_elevation_m": 703.8050333828896,
   "end_elevation_m": 704.5038486216818,
   "min_gradient_pct": -20.26530336660244
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.353412584507016,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 723.0,
   "end_distance_m": 726.0,
   "start_elevation_m": 703.6532462441465,
   "end_elevation_m": 704.5038486216818,
   "min_gradient_pct": -15.829754389509768
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.660783486932814,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 721.0,
   "end_distance_m": 726.0,
   "start_elevation_m": 703.2208094473351,
   "end_elevation_m": 704.5038486216818,
   "min_gradient_pct": -9.532223858905127
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.14678095469162,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 728.0,
   "end_distance_m": 738.0,
   "start_elevation_m": 704.6013399050082,
   "end_elevation_m": 706.9160180004774,
   "min_gradient_pct": -7.227314544004457
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.953561920258608,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 721.0,
   "end_distance_m": 741.0,
   "start_elevation_m": 703.2208094473351,
   "end_elevation_m": 707.4115218313868,
   "min_gradient_pct": -4.2361670089394465
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.846263582371193,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 728.0,
   "end_distance_m": 753.0,
   "start_elevation_m": 704.6013399050082,
   "end_elevation_m": 709.812905800601,
   "min_gradient_pct": -4.027800980018583
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.067255129204113,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 703.0,
   "end_distance_m": 753.0,
   "start_elevation_m": 702.779278235999,
   "end_elevation_m": 709.812905800601,
   "min_gradient_pct": 1.0287820901826308
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 9.494638866920127,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 177.0,
   "end_distance_m": 277.0,
   "start_elevation_m": 660.740267671932,
   "end_elevation_m": 670.2349065388521,
   "min_gradient_pct": 5.060079851498358
  }
 ],
 "shape": {
  "ascent_concentration": 0.28,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 44.0,
  "shape_class": "sustained"
 },
 "length_m": 753.0999999999641,
 "start_elevation_m": 648.5285541120547,
 "end_elevation_m": 709.8597922450648,
 "endpoint_gain_m": 61.33123813301006,
 "overall_gradient_pct": 8.143837223876377,
 "accumulated_ascent_m": 63.58248344254093,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.660783486932814,
   "start_distance_m": 721.0,
   "end_distance_m": 726.0,
   "midpoint_distance_m": 723.5,
   "start_elevation_m": 703.2208094473351,
   "end_elevation_m": 704.5038486216818,
   "start_xy": [
    2636279.072969388,
    1126854.0645830422
   ],
   "end_xy": [
    2636283.34313134,
    1126851.46348443
   ]
  },
  "max_10m": {
   "gradient_pct": 23.14678095469162,
   "start_distance_m": 728.0,
   "end_distance_m": 738.0,
   "midpoint_distance_m": 733.0,
   "start_elevation_m": 704.6013399050082,
   "end_elevation_m": 706.9160180004774,
   "start_xy": [
    2636285.051373928,
    1126850.4233367185
   ],
   "end_xy": [
    2636293.5924127097,
    1126845.2223131042
   ]
  },
  "max_20m": {
   "gradient_pct": 20.953561920258608,
   "start_distance_m": 721.0,
   "end_distance_m": 741.0,
   "midpoint_distance_m": 731.0,
   "start_elevation_m": 703.2208094473351,
   "end_elevation_m": 707.4115218313868,
   "start_xy": [
    2636279.072969388,
    1126854.0645830422
   ],
   "end_xy": [
    2636296.1159841893,
    1126843.6058390744
   ]
  },
  "max_25m": {
   "gradient_pct": 20.846263582371193,
   "start_distance_m": 728.0,
   "end_distance_m": 753.0,
   "midpoint_distance_m": 740.5,
   "start_elevation_m": 704.6013399050082,
   "end_elevation_m": 709.812905800601,
   "start_xy": [
    2636285.051373928,
    1126850.4233367185
   ],
   "end_xy": [
    2636305.267638656,
    1126835.8682685709
   ]
  },
  "max_50m": {
   "gradient_pct": 14.067255129204113,
   "start_distance_m": 703.0,
   "end_distance_m": 753.0,
   "midpoint_distance_m": 728.0,
   "start_elevation_m": 702.779278235999,
   "end_elevation_m": 709.812905800601,
   "start_xy": [
    2636262.810800814,
    1126848.2096194352
   ],
   "end_xy": [
    2636305.267638656,
    1126835.8682685709
   ]
  },
  "max_100m": {
   "gradient_pct": 9.494638866920127,
   "start_distance_m": 177.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 227.0,
   "start_elevation_m": 660.740267671932,
   "end_elevation_m": 670.2349065388521,
   "start_xy": [
    2635794.1137404335,
    1126973.633293509
   ],
   "end_xy": [
    2635866.1130606397,
    1126904.290798418
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.532223858905127,
   "start_distance_m": 671.0,
   "end_distance_m": 676.0,
   "midpoint_distance_m": 673.5,
   "start_elevation_m": 702.7064184022438,
   "end_elevation_m": 702.2298072092985,
   "start_xy": [
    2636234.001102438,
    1126834.2844361211
   ],
   "end_xy": [
    2636238.4692306425,
    1126836.5285003667
   ]
  },
  "min_10m": {
   "gradient_pct": -7.227314544004457,
   "start_distance_m": 597.0,
   "end_distance_m": 607.0,
   "midpoint_distance_m": 602.0,
   "start_elevation_m": 696.4891000630128,
   "end_elevation_m": 695.7663686086123,
   "start_xy": [
    2636162.3336994136,
    1126822.8556628008
   ],
   "end_xy": [
    2636172.2965650205,
    1126823.7166511966
   ]
  },
  "min_20m": {
   "gradient_pct": -4.2361670089394465,
   "start_distance_m": 597.0,
   "end_distance_m": 617.0,
   "midpoint_distance_m": 607.0,
   "start_elevation_m": 696.4891000630128,
   "end_elevation_m": 695.6418666612249,
   "start_xy": [
    2636162.3336994136,
    1126822.8556628008
   ],
   "end_xy": [
    2636182.2594305417,
    1126824.577639585
   ]
  },
  "min_25m": {
   "gradient_pct": -4.027800980018583,
   "start_distance_m": 592.0,
   "end_distance_m": 617.0,
   "midpoint_distance_m": 604.5,
   "start_elevation_m": 696.6488169062295,
   "end_elevation_m": 695.6418666612249,
   "start_xy": [
    2636157.352227251,
    1126822.4256220318
   ],
   "end_xy": [
    2636182.2594305417,
    1126824.577639585
   ]
  },
  "min_50m": {
   "gradient_pct": 1.0287820901826308,
   "start_distance_m": 671.0,
   "end_distance_m": 721.0,
   "midpoint_distance_m": 696.0,
   "start_elevation_m": 702.7064184022438,
   "end_elevation_m": 703.2208094473351,
   "start_xy": [
    2636234.001102438,
    1126834.2844361211
   ],
   "end_xy": [
    2636279.072969388,
    1126854.0645830422
   ]
  },
  "min_100m": {
   "gradient_pct": 5.060079851498358,
   "start_distance_m": 519.0,
   "end_distance_m": 619.0,
   "midpoint_distance_m": 569.0,
   "start_elevation_m": 690.7376257615742,
   "end_elevation_m": 695.7977056130726,
   "start_xy": [
    2636086.0081218076,
    1126833.2688336095
   ],
   "end_xy": [
    2636184.2520238445,
    1126824.7496044687
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.94076193960609,
   "start_distance_m": 724.0,
   "end_distance_m": 726.0,
   "midpoint_distance_m": 725.0,
   "start_elevation_m": 703.8050333828896,
   "end_elevation_m": 704.5038486216818,
   "start_xy": [
    2636281.6348887524,
    1126852.5036321415
   ],
   "end_xy": [
    2636283.34313134,
    1126851.46348443
   ]
  },
  "max_3m": {
   "gradient_pct": 28.353412584507016,
   "start_distance_m": 723.0,
   "end_distance_m": 726.0,
   "midpoint_distance_m": 724.5,
   "start_elevation_m": 703.6532462441465,
   "end_elevation_m": 704.5038486216818,
   "start_xy": [
    2636280.780987642,
    1126853.0240672585
   ],
   "end_xy": [
    2636283.34313134,
    1126851.46348443
   ]
  }
 },
 "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_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_2024_2635-1126_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2635-1127_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2636-1126_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2636-1127_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T00:44:11+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-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": [
   "2635-1126",
   "2635-1127",
   "2636-1126",
   "2636-1127"
  ],
  "route_cut_m": 753.1,
  "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": "Visp",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}