{
 "ocl_version": "0.1.0",
 "name": "Route de Pradelaman",
 "slug": "route-de-pradelaman",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.97922003342501,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 364.0,
   "end_distance_m": 366.0,
   "start_elevation_m": 813.1091061009497,
   "end_elevation_m": 813.5886905016182,
   "min_gradient_pct": -0.10990085060029742
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.890187494028698,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 363.0,
   "end_distance_m": 366.0,
   "start_elevation_m": 812.8719848767973,
   "end_elevation_m": 813.5886905016182,
   "min_gradient_pct": 0.5335271465620887
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.508943517313128,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 362.0,
   "end_distance_m": 367.0,
   "start_elevation_m": 812.6427771749336,
   "end_elevation_m": 813.8182243507993,
   "min_gradient_pct": 1.2337502522518662
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.903604930113488,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 357.0,
   "end_distance_m": 367.0,
   "start_elevation_m": 811.5278638577879,
   "end_elevation_m": 813.8182243507993,
   "min_gradient_pct": 1.380676570356627
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.410119728499808,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 347.0,
   "end_distance_m": 367.0,
   "start_elevation_m": 809.5362004050993,
   "end_elevation_m": 813.8182243507993,
   "min_gradient_pct": 1.7368074357455043
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.383430830675934,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 342.0,
   "end_distance_m": 367.0,
   "start_elevation_m": 808.7223666431303,
   "end_elevation_m": 813.8182243507993,
   "min_gradient_pct": 1.866713518105371
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.99425350885508,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 318.0,
   "end_distance_m": 368.0,
   "start_elevation_m": 804.9806198461172,
   "end_elevation_m": 813.9777466005447,
   "min_gradient_pct": 2.123262365029859
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.69616331158113,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 268.0,
   "end_distance_m": 368.0,
   "start_elevation_m": 797.2815832889636,
   "end_elevation_m": 813.9777466005447,
   "min_gradient_pct": 2.634171807248322
  }
 ],
 "shape": {
  "ascent_concentration": 0.351,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 138.0,
  "shape_class": "sustained"
 },
 "length_m": 514.8867998517962,
 "start_elevation_m": 762.5433491054248,
 "end_elevation_m": 822.7469347715135,
 "endpoint_gain_m": 60.20358566608866,
 "overall_gradient_pct": 11.692586736233578,
 "accumulated_ascent_m": 60.228970222203316,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.508943517313128,
   "start_distance_m": 362.0,
   "end_distance_m": 367.0,
   "midpoint_distance_m": 364.5,
   "start_elevation_m": 812.6427771749336,
   "end_elevation_m": 813.8182243507993,
   "start_xy": [
    2596280.691235825,
    1122864.177343603
   ],
   "end_xy": [
    2596277.208619467,
    1122867.6777683313
   ]
  },
  "max_10m": {
   "gradient_pct": 22.903604930113488,
   "start_distance_m": 357.0,
   "end_distance_m": 367.0,
   "midpoint_distance_m": 362.0,
   "start_elevation_m": 811.5278638577879,
   "end_elevation_m": 813.8182243507993,
   "start_xy": [
    2596283.5963278017,
    1122860.107891477
   ],
   "end_xy": [
    2596277.208619467,
    1122867.6777683313
   ]
  },
  "max_20m": {
   "gradient_pct": 21.410119728499808,
   "start_distance_m": 347.0,
   "end_distance_m": 367.0,
   "midpoint_distance_m": 357.0,
   "start_elevation_m": 809.5362004050993,
   "end_elevation_m": 813.8182243507993,
   "start_xy": [
    2596288.2100439193,
    1122851.3000518985
   ],
   "end_xy": [
    2596277.208619467,
    1122867.6777683313
   ]
  },
  "max_25m": {
   "gradient_pct": 20.383430830675934,
   "start_distance_m": 342.0,
   "end_distance_m": 367.0,
   "midpoint_distance_m": 354.5,
   "start_elevation_m": 808.7223666431303,
   "end_elevation_m": 813.8182243507993,
   "start_xy": [
    2596290.338341408,
    1122846.7869850947
   ],
   "end_xy": [
    2596277.208619467,
    1122867.6777683313
   ]
  },
  "max_50m": {
   "gradient_pct": 17.99425350885508,
   "start_distance_m": 318.0,
   "end_distance_m": 368.0,
   "midpoint_distance_m": 343.0,
   "start_elevation_m": 804.9806198461172,
   "end_elevation_m": 813.9777466005447,
   "start_xy": [
    2596305.818457419,
    1122828.5762016533
   ],
   "end_xy": [
    2596276.403429705,
    1122868.2707855718
   ]
  },
  "max_100m": {
   "gradient_pct": 16.69616331158113,
   "start_distance_m": 268.0,
   "end_distance_m": 368.0,
   "midpoint_distance_m": 318.0,
   "start_elevation_m": 797.2815832889636,
   "end_elevation_m": 813.9777466005447,
   "start_xy": [
    2596343.311217259,
    1122795.7572645233
   ],
   "end_xy": [
    2596276.403429705,
    1122868.2707855718
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.2337502522518662,
   "start_distance_m": 475.0,
   "end_distance_m": 480.0,
   "midpoint_distance_m": 477.5,
   "start_elevation_m": 816.9974760838553,
   "end_elevation_m": 817.0591635964679,
   "start_xy": [
    2596178.57768544,
    1122830.6938815445
   ],
   "end_xy": [
    2596176.8502018317,
    1122833.0201941966
   ]
  },
  "min_10m": {
   "gradient_pct": 1.380676570356627,
   "start_distance_m": 430.0,
   "end_distance_m": 440.0,
   "midpoint_distance_m": 435.0,
   "start_elevation_m": 815.9613298036038,
   "end_elevation_m": 816.0993974606395,
   "start_xy": [
    2596220.375886474,
    1122847.264927643
   ],
   "end_xy": [
    2596211.2652413785,
    1122843.142289416
   ]
  },
  "min_20m": {
   "gradient_pct": 1.7368074357455043,
   "start_distance_m": 420.0,
   "end_distance_m": 440.0,
   "midpoint_distance_m": 430.0,
   "start_elevation_m": 815.7520359734904,
   "end_elevation_m": 816.0993974606395,
   "start_xy": [
    2596229.486795492,
    1122851.38698256
   ],
   "end_xy": [
    2596211.2652413785,
    1122843.142289416
   ]
  },
  "min_25m": {
   "gradient_pct": 1.866713518105371,
   "start_distance_m": 419.0,
   "end_distance_m": 444.0,
   "midpoint_distance_m": 431.5,
   "start_elevation_m": 815.7125080679426,
   "end_elevation_m": 816.179186447469,
   "start_xy": [
    2596230.397894019,
    1122851.7991711998
   ],
   "end_xy": [
    2596207.620983341,
    1122841.493234125
   ]
  },
  "min_50m": {
   "gradient_pct": 2.123262365029859,
   "start_distance_m": 420.0,
   "end_distance_m": 470.0,
   "midpoint_distance_m": 445.0,
   "start_elevation_m": 815.7520359734904,
   "end_elevation_m": 816.8136671560053,
   "start_xy": [
    2596229.486795492,
    1122851.38698256
   ],
   "end_xy": [
    2596183.2356094853,
    1122832.5061228278
   ]
  },
  "min_100m": {
   "gradient_pct": 2.634171807248322,
   "start_distance_m": 370.0,
   "end_distance_m": 470.0,
   "midpoint_distance_m": 420.0,
   "start_elevation_m": 814.179495348757,
   "end_elevation_m": 816.8136671560053,
   "start_xy": [
    2596274.7930501816,
    1122869.4568200523
   ],
   "end_xy": [
    2596183.2356094853,
    1122832.5061228278
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.97922003342501,
   "start_distance_m": 364.0,
   "end_distance_m": 366.0,
   "midpoint_distance_m": 365.0,
   "start_elevation_m": 813.1091061009497,
   "end_elevation_m": 813.5886905016182,
   "start_xy": [
    2596279.529199034,
    1122865.8051244533
   ],
   "end_xy": [
    2596278.0138092292,
    1122867.084751091
   ]
  },
  "max_3m": {
   "gradient_pct": 23.890187494028698,
   "start_distance_m": 363.0,
   "end_distance_m": 366.0,
   "midpoint_distance_m": 364.5,
   "start_elevation_m": 812.8719848767973,
   "end_elevation_m": 813.5886905016182,
   "start_xy": [
    2596280.110217429,
    1122864.991234028
   ],
   "end_xy": [
    2596278.0138092292,
    1122867.084751091
   ]
  }
 },
 "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_2024_2596-1122_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:31:26+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": [
   "2596-1122"
  ],
  "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": "Grimisuat",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}