{
 "ocl_version": "0.1.0",
 "name": "Route des Cheytocs",
 "slug": "route-des-cheytocs",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.800867505843144,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 291.0,
   "end_distance_m": 293.0,
   "start_elevation_m": 1617.7523577037857,
   "end_elevation_m": 1618.3683750539026,
   "min_gradient_pct": -6.098427249469296
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.20904921976914,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 251.0,
   "end_distance_m": 254.0,
   "start_elevation_m": 1607.950473462457,
   "end_elevation_m": 1608.79674493905,
   "min_gradient_pct": -6.1702201560441
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.662414688629724,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 248.0,
   "end_distance_m": 253.0,
   "start_elevation_m": 1607.143765264164,
   "end_elevation_m": 1608.5268859985954,
   "min_gradient_pct": -4.620489615517727
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.21489895584,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 248.0,
   "end_distance_m": 258.0,
   "start_elevation_m": 1607.143765264164,
   "end_elevation_m": 1609.865255159748,
   "min_gradient_pct": 0.1748301966836152
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.035295421830824,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 240.0,
   "end_distance_m": 260.0,
   "start_elevation_m": 1605.1578183219776,
   "end_elevation_m": 1610.3648774063438,
   "min_gradient_pct": 4.8169320741953925
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.88549609029178,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 251.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 1607.950473462457,
   "end_elevation_m": 1614.42184748503,
   "min_gradient_pct": 5.801914216786827
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 25.423034346761597,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 237.0,
   "end_distance_m": 287.0,
   "start_elevation_m": 1604.4568152412185,
   "end_elevation_m": 1617.1683324145993,
   "min_gradient_pct": 7.388521239376132
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 23.554378079676553,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 187.0,
   "end_distance_m": 287.0,
   "start_elevation_m": 1593.6139543349227,
   "end_elevation_m": 1617.1683324145993,
   "min_gradient_pct": 9.443201033142714
  }
 ],
 "shape": {
  "ascent_concentration": 0.358,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 320.0,
  "shape_class": "sustained"
 },
 "length_m": 396.4000000001723,
 "start_elevation_m": 1563.5177999340822,
 "end_elevation_m": 1628.401802305478,
 "endpoint_gain_m": 64.88400237139581,
 "overall_gradient_pct": 16.36831543172745,
 "accumulated_ascent_m": 65.12245652232355,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.662414688629724,
   "start_distance_m": 248.0,
   "end_distance_m": 253.0,
   "midpoint_distance_m": 250.5,
   "start_elevation_m": 1607.143765264164,
   "end_elevation_m": 1608.5268859985954,
   "start_xy": [
    2600199.4164082496,
    1116410.3660475796
   ],
   "end_xy": [
    2600203.9964781753,
    1116412.3646392457
   ]
  },
  "max_10m": {
   "gradient_pct": 27.21489895584,
   "start_distance_m": 248.0,
   "end_distance_m": 258.0,
   "midpoint_distance_m": 253.0,
   "start_elevation_m": 1607.143765264164,
   "end_elevation_m": 1609.865255159748,
   "start_xy": [
    2600199.4164082496,
    1116410.3660475796
   ],
   "end_xy": [
    2600208.617174356,
    1116414.2749184906
   ]
  },
  "max_20m": {
   "gradient_pct": 26.035295421830824,
   "start_distance_m": 240.0,
   "end_distance_m": 260.0,
   "midpoint_distance_m": 250.0,
   "start_elevation_m": 1605.1578183219776,
   "end_elevation_m": 1610.3648774063438,
   "start_xy": [
    2600192.3186827847,
    1116406.675210199
   ],
   "end_xy": [
    2600210.4655944942,
    1116415.0386873342
   ]
  },
  "max_25m": {
   "gradient_pct": 25.88549609029178,
   "start_distance_m": 251.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 263.5,
   "start_elevation_m": 1607.950473462457,
   "end_elevation_m": 1614.42184748503,
   "start_xy": [
    2600202.148055013,
    1116411.6008777218
   ],
   "end_xy": [
    2600225.922261641,
    1116418.982027004
   ]
  },
  "max_50m": {
   "gradient_pct": 25.423034346761597,
   "start_distance_m": 237.0,
   "end_distance_m": 287.0,
   "midpoint_distance_m": 262.0,
   "start_elevation_m": 1604.4568152412185,
   "end_elevation_m": 1617.1683324145993,
   "start_xy": [
    2600189.6569344793,
    1116405.291341296
   ],
   "end_xy": [
    2600236.84119363,
    1116420.2500520742
   ]
  },
  "max_100m": {
   "gradient_pct": 23.554378079676553,
   "start_distance_m": 187.0,
   "end_distance_m": 287.0,
   "midpoint_distance_m": 237.0,
   "start_elevation_m": 1593.6139543349227,
   "end_elevation_m": 1617.1683324145993,
   "start_xy": [
    2600141.9794656443,
    1116394.7043907712
   ],
   "end_xy": [
    2600236.84119363,
    1116420.2500520742
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.620489615517727,
   "start_distance_m": 348.0,
   "end_distance_m": 353.0,
   "midpoint_distance_m": 350.5,
   "start_elevation_m": 1624.6030380449429,
   "end_elevation_m": 1624.372013564167,
   "start_xy": [
    2600292.850215439,
    1116398.7689389149
   ],
   "end_xy": [
    2600297.5839188565,
    1116397.9972858261
   ]
  },
  "min_10m": {
   "gradient_pct": 0.1748301966836152,
   "start_distance_m": 344.0,
   "end_distance_m": 354.0,
   "midpoint_distance_m": 349.0,
   "start_elevation_m": 1624.3613596974628,
   "end_elevation_m": 1624.3788427171312,
   "start_xy": [
    2600289.7135535977,
    1116401.2495231954
   ],
   "end_xy": [
    2600298.0119061,
    1116398.5616541095
   ]
  },
  "min_20m": {
   "gradient_pct": 4.8169320741953925,
   "start_distance_m": 344.0,
   "end_distance_m": 364.0,
   "midpoint_distance_m": 354.0,
   "start_elevation_m": 1624.3613596974628,
   "end_elevation_m": 1625.324746112302,
   "start_xy": [
    2600289.7135535977,
    1116401.2495231954
   ],
   "end_xy": [
    2600292.5648787874,
    1116406.9464096886
   ]
  },
  "min_25m": {
   "gradient_pct": 5.801914216786827,
   "start_distance_m": 344.0,
   "end_distance_m": 369.0,
   "midpoint_distance_m": 356.5,
   "start_elevation_m": 1624.3613596974628,
   "end_elevation_m": 1625.8118382516595,
   "start_xy": [
    2600289.7135535977,
    1116401.2495231954
   ],
   "end_xy": [
    2600289.67948839,
    1116411.0278756248
   ]
  },
  "min_50m": {
   "gradient_pct": 7.388521239376132,
   "start_distance_m": 316.0,
   "end_distance_m": 366.0,
   "midpoint_distance_m": 341.0,
   "start_elevation_m": 1621.8140271688435,
   "end_elevation_m": 1625.5082877885316,
   "start_xy": [
    2600264.9265476298,
    1116413.743402045
   ],
   "end_xy": [
    2600291.447874872,
    1116408.6054155133
   ]
  },
  "min_100m": {
   "gradient_pct": 9.443201033142714,
   "start_distance_m": 296.0,
   "end_distance_m": 396.0,
   "midpoint_distance_m": 346.0,
   "start_elevation_m": 1618.9298025845874,
   "end_elevation_m": 1628.37300361773,
   "start_xy": [
    2600245.631450672,
    1116419.0063958783
   ],
   "end_xy": [
    2600272.58271251,
    1116431.9191745564
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.800867505843144,
   "start_distance_m": 291.0,
   "end_distance_m": 293.0,
   "midpoint_distance_m": 292.0,
   "start_elevation_m": 1617.7523577037857,
   "end_elevation_m": 1618.3683750539026,
   "start_xy": [
    2600240.808045662,
    1116420.3234978684
   ],
   "end_xy": [
    2600242.737344166,
    1116419.7964250157
   ]
  },
  "max_3m": {
   "gradient_pct": 28.20904921976914,
   "start_distance_m": 251.0,
   "end_distance_m": 254.0,
   "midpoint_distance_m": 252.5,
   "start_elevation_m": 1607.950473462457,
   "end_elevation_m": 1608.79674493905,
   "start_xy": [
    2600202.148055013,
    1116411.6008777218
   ],
   "end_xy": [
    2600204.9206168065,
    1116412.7466965588
   ]
  }
 },
 "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_2599-1116_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2600-1116_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T00:56:50+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": [
   "2599-1116",
   "2600-1116"
  ],
  "route_cut_m": 396.4,
  "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": "Mont-Noble",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}