{
 "ocl_version": "0.1.0",
 "name": "Chemin des Esserts",
 "slug": "chemin-des-esserts",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 18.40842674881742,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 4098.0,
   "end_distance_m": 4100.0,
   "start_elevation_m": 2008.658602960029,
   "end_elevation_m": 2009.0267714950053,
   "min_gradient_pct": -2.4357304837621996
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 17.04957724709857,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 337.0,
   "end_distance_m": 340.0,
   "start_elevation_m": 1642.6147121027338,
   "end_elevation_m": 1643.1261994201468,
   "min_gradient_pct": -1.886270137098715
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 16.935159696513438,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 335.0,
   "end_distance_m": 340.0,
   "start_elevation_m": 1642.2794414353211,
   "end_elevation_m": 1643.1261994201468,
   "min_gradient_pct": -1.0807972374959718
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.225395966696396,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 330.0,
   "end_distance_m": 340.0,
   "start_elevation_m": 1641.5036598234772,
   "end_elevation_m": 1643.1261994201468,
   "min_gradient_pct": 0.7881387177462784
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.59179379788361,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 323.0,
   "end_distance_m": 343.0,
   "start_elevation_m": 1640.4643060439753,
   "end_elevation_m": 1643.582664803552,
   "min_gradient_pct": 3.2756811194849433
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.3740360985812,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 321.0,
   "end_distance_m": 346.0,
   "start_elevation_m": 1640.180105049722,
   "end_elevation_m": 1644.0236140743673,
   "min_gradient_pct": 3.8035707991302843
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.213169510538137,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 296.0,
   "end_distance_m": 346.0,
   "start_elevation_m": 1636.9170293190982,
   "end_elevation_m": 1644.0236140743673,
   "min_gradient_pct": 4.031595499805917
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.022804479082197,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 13.0,
   "end_distance_m": 113.0,
   "start_elevation_m": 1608.6089166446563,
   "end_elevation_m": 1620.6317211237385,
   "min_gradient_pct": 4.720871949081356
  }
 ],
 "shape": {
  "ascent_concentration": 0.268,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 160.0,
  "shape_class": "sustained"
 },
 "length_m": 5678.400168650522,
 "start_elevation_m": 1607.87093920312,
 "end_elevation_m": 2173.236432578124,
 "endpoint_gain_m": 565.365493375004,
 "overall_gradient_pct": 9.956422171446993,
 "accumulated_ascent_m": 565.6755970131567,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 16.935159696513438,
   "start_distance_m": 335.0,
   "end_distance_m": 340.0,
   "midpoint_distance_m": 337.5,
   "start_elevation_m": 1642.2794414353211,
   "end_elevation_m": 1643.1261994201468,
   "start_xy": [
    2584296.301868007,
    1105980.3035820357
   ],
   "end_xy": [
    2584299.733654841,
    1105983.9399042337
   ]
  },
  "max_10m": {
   "gradient_pct": 16.225395966696396,
   "start_distance_m": 330.0,
   "end_distance_m": 340.0,
   "midpoint_distance_m": 335.0,
   "start_elevation_m": 1641.5036598234772,
   "end_elevation_m": 1643.1261994201468,
   "start_xy": [
    2584292.8700811733,
    1105976.6672598375
   ],
   "end_xy": [
    2584299.733654841,
    1105983.9399042337
   ]
  },
  "max_20m": {
   "gradient_pct": 15.59179379788361,
   "start_distance_m": 323.0,
   "end_distance_m": 343.0,
   "midpoint_distance_m": 333.0,
   "start_elevation_m": 1640.4643060439753,
   "end_elevation_m": 1643.582664803552,
   "start_xy": [
    2584288.065579606,
    1105971.5764087604
   ],
   "end_xy": [
    2584301.792726941,
    1105986.1216975525
   ]
  },
  "max_25m": {
   "gradient_pct": 15.3740360985812,
   "start_distance_m": 321.0,
   "end_distance_m": 346.0,
   "midpoint_distance_m": 333.5,
   "start_elevation_m": 1640.180105049722,
   "end_elevation_m": 1644.0236140743673,
   "start_xy": [
    2584286.6928648725,
    1105970.121879881
   ],
   "end_xy": [
    2584303.851799041,
    1105988.3034908713
   ]
  },
  "max_50m": {
   "gradient_pct": 14.213169510538137,
   "start_distance_m": 296.0,
   "end_distance_m": 346.0,
   "midpoint_distance_m": 321.0,
   "start_elevation_m": 1636.9170293190982,
   "end_elevation_m": 1644.0236140743673,
   "start_xy": [
    2584285.1345685977,
    1105946.9737013523
   ],
   "end_xy": [
    2584303.851799041,
    1105988.3034908713
   ]
  },
  "max_100m": {
   "gradient_pct": 12.022804479082197,
   "start_distance_m": 13.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 63.0,
   "start_elevation_m": 1608.6089166446563,
   "end_elevation_m": 1620.6317211237385,
   "start_xy": [
    2584109.9380944152,
    1105851.8994297946
   ],
   "end_xy": [
    2584191.271199917,
    1105909.9487597744
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.0807972374959718,
   "start_distance_m": 1078.0,
   "end_distance_m": 1083.0,
   "midpoint_distance_m": 1080.5,
   "start_elevation_m": 1705.294451944778,
   "end_elevation_m": 1705.2404120829033,
   "start_xy": [
    2584502.002625688,
    1106063.3827253045
   ],
   "end_xy": [
    2584503.2224249765,
    1106067.754723326
   ]
  },
  "min_10m": {
   "gradient_pct": 0.7881387177462784,
   "start_distance_m": 793.0,
   "end_distance_m": 803.0,
   "midpoint_distance_m": 798.0,
   "start_elevation_m": 1681.5519852705622,
   "end_elevation_m": 1681.6307991423369,
   "start_xy": [
    2584543.3015714735,
    1105797.5229792246
   ],
   "end_xy": [
    2584546.5842596856,
    1105801.6626333315
   ]
  },
  "min_20m": {
   "gradient_pct": 3.2756811194849433,
   "start_distance_m": 1063.0,
   "end_distance_m": 1083.0,
   "midpoint_distance_m": 1073.0,
   "start_elevation_m": 1704.5852758590063,
   "end_elevation_m": 1705.2404120829033,
   "start_xy": [
    2584506.8145878753,
    1106049.8643703568
   ],
   "end_xy": [
    2584503.2224249765,
    1106067.754723326
   ]
  },
  "min_25m": {
   "gradient_pct": 3.8035707991302843,
   "start_distance_m": 374.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 386.5,
   "start_elevation_m": 1645.4423065476303,
   "end_elevation_m": 1646.393199247413,
   "start_xy": [
    2584326.191942419,
    1105973.247958576
   ],
   "end_xy": [
    2584342.170335457,
    1105954.2208529173
   ]
  },
  "min_50m": {
   "gradient_pct": 4.031595499805917,
   "start_distance_m": 370.0,
   "end_distance_m": 420.0,
   "midpoint_distance_m": 395.0,
   "start_elevation_m": 1645.217925326092,
   "end_elevation_m": 1647.233723075995,
   "start_xy": [
    2584323.2766937865,
    1105975.9868133387
   ],
   "end_xy": [
    2584353.846966326,
    1105936.7784651713
   ]
  },
  "min_100m": {
   "gradient_pct": 4.720871949081356,
   "start_distance_m": 347.0,
   "end_distance_m": 447.0,
   "midpoint_distance_m": 397.0,
   "start_elevation_m": 1644.1160595306933,
   "end_elevation_m": 1648.8369314797746,
   "start_xy": [
    2584304.538156408,
    1105989.030755311
   ],
   "end_xy": [
    2584362.671459719,
    1105911.3438991609
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 18.40842674881742,
   "start_distance_m": 4098.0,
   "end_distance_m": 4100.0,
   "midpoint_distance_m": 4099.0,
   "start_elevation_m": 2008.658602960029,
   "end_elevation_m": 2009.0267714950053,
   "start_xy": [
    2583612.9301432166,
    1107139.0874789413
   ],
   "end_xy": [
    2583611.03931616,
    1107138.435732792
   ]
  },
  "max_3m": {
   "gradient_pct": 17.04957724709857,
   "start_distance_m": 337.0,
   "end_distance_m": 340.0,
   "midpoint_distance_m": 338.5,
   "start_elevation_m": 1642.6147121027338,
   "end_elevation_m": 1643.1261994201468,
   "start_xy": [
    2584297.6745827408,
    1105981.7581109148
   ],
   "end_xy": [
    2584299.733654841,
    1105983.9399042337
   ]
  }
 },
 "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_2583-1105_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2583-1106_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2583-1107_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2584-1105_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2584-1106_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2584-1107_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:41:53+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": [
   "2583-1105",
   "2583-1106",
   "2583-1107",
   "2584-1105",
   "2584-1106",
   "2584-1107"
  ],
  "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": "Val de Bagnes",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}