{
 "ocl_version": "0.1.0",
 "name": "La Charri\u00e8re Neuve",
 "slug": "la-charriere-neuve",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 19.350579072477103,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 547.0,
   "end_distance_m": 549.0,
   "start_elevation_m": 947.4228529043586,
   "end_elevation_m": 947.8098644858081,
   "min_gradient_pct": 4.548002124545292
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 18.125939318122164,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 548.0,
   "end_distance_m": 551.0,
   "start_elevation_m": 947.5421311216196,
   "end_elevation_m": 948.0859093011633,
   "min_gradient_pct": 5.094097754378406
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 17.391026388352202,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 230.0,
   "end_distance_m": 235.0,
   "start_elevation_m": 907.5323936827658,
   "end_elevation_m": 908.4019450021834,
   "min_gradient_pct": 5.452089890504794
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.46111857141591,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 224.0,
   "end_distance_m": 234.0,
   "start_elevation_m": 906.5799460277494,
   "end_elevation_m": 908.226057884891,
   "min_gradient_pct": 5.54469187104587
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.22332039098751,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1387.0,
   "end_distance_m": 1407.0,
   "start_elevation_m": 1060.0911032415866,
   "end_elevation_m": 1063.335767319784,
   "min_gradient_pct": 5.959598148405121
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.14375602742257,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 213.0,
   "end_distance_m": 238.0,
   "start_elevation_m": 904.8329952888081,
   "end_elevation_m": 908.8689342956637,
   "min_gradient_pct": 6.140535200162049
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.753938503827612,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 196.0,
   "end_distance_m": 246.0,
   "start_elevation_m": 902.23655542998,
   "end_elevation_m": 910.1135246818938,
   "min_gradient_pct": 6.845009676416794
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.144876797116694,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 166.0,
   "end_distance_m": 266.0,
   "start_elevation_m": 897.8544601492185,
   "end_elevation_m": 912.9993369463352,
   "min_gradient_pct": 7.652288585695942
  }
 ],
 "shape": {
  "ascent_concentration": 0.277,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 1047.0,
  "shape_class": "sustained"
 },
 "length_m": 1880.799999999806,
 "start_elevation_m": 876.6864509435159,
 "end_elevation_m": 1115.339715911541,
 "endpoint_gain_m": 238.65326496802504,
 "overall_gradient_pct": 12.688923062954576,
 "accumulated_ascent_m": 238.65326496802504,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 17.391026388352202,
   "start_distance_m": 230.0,
   "end_distance_m": 235.0,
   "midpoint_distance_m": 232.5,
   "start_elevation_m": 907.5323936827658,
   "end_elevation_m": 908.4019450021834,
   "start_xy": [
    2563747.4616085226,
    1210277.903350831
   ],
   "end_xy": [
    2563751.96703364,
    1210280.0715622266
   ]
  },
  "max_10m": {
   "gradient_pct": 16.46111857141591,
   "start_distance_m": 224.0,
   "end_distance_m": 234.0,
   "midpoint_distance_m": 229.0,
   "start_elevation_m": 906.5799460277494,
   "end_elevation_m": 908.226057884891,
   "start_xy": [
    2563742.0550609045,
    1210275.3015753294
   ],
   "end_xy": [
    2563751.06590449,
    1210279.638011708
   ]
  },
  "max_20m": {
   "gradient_pct": 16.22332039098751,
   "start_distance_m": 1387.0,
   "end_distance_m": 1407.0,
   "midpoint_distance_m": 1397.0,
   "start_elevation_m": 1060.0911032415866,
   "end_elevation_m": 1063.335767319784,
   "start_xy": [
    2564636.4461032078,
    1210995.0054395047
   ],
   "end_xy": [
    2564652.6434943643,
    1211006.6933299783
   ]
  },
  "max_25m": {
   "gradient_pct": 16.14375602742257,
   "start_distance_m": 213.0,
   "end_distance_m": 238.0,
   "midpoint_distance_m": 225.5,
   "start_elevation_m": 904.8329952888081,
   "end_elevation_m": 908.8689342956637,
   "start_xy": [
    2563732.1428882754,
    1210270.5320038975
   ],
   "end_xy": [
    2563754.670402823,
    1210281.3722517483
   ]
  },
  "max_50m": {
   "gradient_pct": 15.753938503827612,
   "start_distance_m": 196.0,
   "end_distance_m": 246.0,
   "midpoint_distance_m": 221.0,
   "start_elevation_m": 902.23655542998,
   "end_elevation_m": 910.1135246818938,
   "start_xy": [
    2563716.619258364,
    1210263.6051831662
   ],
   "end_xy": [
    2563761.879197124,
    1210284.8411526657
   ]
  },
  "max_100m": {
   "gradient_pct": 15.144876797116694,
   "start_distance_m": 166.0,
   "end_distance_m": 266.0,
   "midpoint_distance_m": 216.0,
   "start_elevation_m": 897.8544601492185,
   "end_elevation_m": 912.9993369463352,
   "start_xy": [
    2563687.809599654,
    1210255.3429392793
   ],
   "end_xy": [
    2563779.901092996,
    1210293.5135907517
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 5.452089890504794,
   "start_distance_m": 1832.0,
   "end_distance_m": 1837.0,
   "midpoint_distance_m": 1834.5,
   "start_elevation_m": 1111.6286790465379,
   "end_elevation_m": 1111.901283541063,
   "start_xy": [
    2564915.55669139,
    1211339.8264735849
   ],
   "end_xy": [
    2564918.47186208,
    1211343.8887116143
   ]
  },
  "min_10m": {
   "gradient_pct": 5.54469187104587,
   "start_distance_m": 1827.0,
   "end_distance_m": 1837.0,
   "midpoint_distance_m": 1832.0,
   "start_elevation_m": 1111.3468143539585,
   "end_elevation_m": 1111.901283541063,
   "start_xy": [
    2564912.641771463,
    1211335.764055623
   ],
   "end_xy": [
    2564918.47186208,
    1211343.8887116143
   ]
  },
  "min_20m": {
   "gradient_pct": 5.959598148405121,
   "start_distance_m": 1827.0,
   "end_distance_m": 1847.0,
   "midpoint_distance_m": 1837.0,
   "start_elevation_m": 1111.3468143539585,
   "end_elevation_m": 1112.5387339836395,
   "start_xy": [
    2564912.641771463,
    1211335.764055623
   ],
   "end_xy": [
    2564924.3026405782,
    1211352.012873327
   ]
  },
  "min_25m": {
   "gradient_pct": 6.140535200162049,
   "start_distance_m": 1825.0,
   "end_distance_m": 1850.0,
   "midpoint_distance_m": 1837.5,
   "start_elevation_m": 1111.2048338475054,
   "end_elevation_m": 1112.7399676475459,
   "start_xy": [
    2564911.4757979033,
    1211334.1390924486
   ],
   "end_xy": [
    2564926.05158703,
    1211354.4503280537
   ]
  },
  "min_50m": {
   "gradient_pct": 6.845009676416794,
   "start_distance_m": 1806.0,
   "end_distance_m": 1856.0,
   "midpoint_distance_m": 1831.0,
   "start_elevation_m": 1109.7630336957375,
   "end_elevation_m": 1113.1855385339459,
   "start_xy": [
    2564899.7827443485,
    1211319.1679006107
   ],
   "end_xy": [
    2564929.549758527,
    1211359.3250376054
   ]
  },
  "min_100m": {
   "gradient_pct": 7.652288585695942,
   "start_distance_m": 1776.0,
   "end_distance_m": 1876.0,
   "midpoint_distance_m": 1826.0,
   "start_elevation_m": 1107.176376706012,
   "end_elevation_m": 1114.828665291708,
   "start_xy": [
    2564881.0890045105,
    1211295.7042271702
   ],
   "end_xy": [
    2564941.756531258,
    1211375.1350768213
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 19.350579072477103,
   "start_distance_m": 547.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 548.0,
   "start_elevation_m": 947.4228529043586,
   "end_elevation_m": 947.8098644858081,
   "start_xy": [
    2564025.757776967,
    1210427.9747076677
   ],
   "end_xy": [
    2564027.336785698,
    1210429.2021970036
   ]
  },
  "max_3m": {
   "gradient_pct": 18.125939318122164,
   "start_distance_m": 548.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 549.5,
   "start_elevation_m": 947.5421311216196,
   "end_elevation_m": 948.0859093011633,
   "start_xy": [
    2564026.5471495185,
    1210428.588622059
   ],
   "end_xy": [
    2564028.9157775277,
    1210430.4297081036
   ]
  }
 },
 "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_2021_2563-1210_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2564-1210_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2564-1211_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2565-1211_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T00:47:58+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": [
   "2563-1210",
   "2564-1210",
   "2564-1211",
   "2565-1211"
  ],
  "route_base_cut_m": 850.3,
  "route_cut_m": 1880.8,
  "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-Ruz",
  "county": "Neuch\u00e2tel",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}