{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.1684, 7.2012)",
 "slug": "discovered-lane-47-1684-7-2012",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 38.609156914145615,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2964.0,
   "end_distance_m": 2966.0,
   "start_elevation_m": 992.2575740990808,
   "end_elevation_m": 993.0297572373637,
   "min_gradient_pct": -13.669293449561337
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.033203053094894,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2964.0,
   "end_distance_m": 2967.0,
   "start_elevation_m": 992.2575740990808,
   "end_elevation_m": 993.2185701906736,
   "min_gradient_pct": -9.962810512494494
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.567833444808002,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2961.0,
   "end_distance_m": 2966.0,
   "start_elevation_m": 991.7013655651233,
   "end_elevation_m": 993.0297572373637,
   "min_gradient_pct": -3.9966636297367586
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.676691093162844,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1325.0,
   "end_distance_m": 1335.0,
   "start_elevation_m": 843.8907253759486,
   "end_elevation_m": 846.4583944852649,
   "min_gradient_pct": -0.14194997652111851
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.28979686496325,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1320.0,
   "end_distance_m": 1340.0,
   "start_elevation_m": 842.9044619329926,
   "end_elevation_m": 847.5624213059853,
   "min_gradient_pct": 0.21482782255816346
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.174396454831367,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1315.0,
   "end_distance_m": 1340.0,
   "start_elevation_m": 842.0188221922774,
   "end_elevation_m": 847.5624213059853,
   "min_gradient_pct": 0.24983378195611294
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.35744425612279,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1290.0,
   "end_distance_m": 1340.0,
   "start_elevation_m": 837.8836991779239,
   "end_elevation_m": 847.5624213059853,
   "min_gradient_pct": 1.0346261233198675
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.066516072811623,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1238.0,
   "end_distance_m": 1338.0,
   "start_elevation_m": 829.0965012650612,
   "end_elevation_m": 847.1630173378728,
   "min_gradient_pct": 2.133004459664562
  }
 ],
 "shape": {
  "ascent_concentration": 0.326,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 506.0,
  "shape_class": "sustained"
 },
 "length_m": 5314.999999999989,
 "start_elevation_m": 668.8440510434575,
 "end_elevation_m": 1210.2750096692025,
 "endpoint_gain_m": 541.430958625745,
 "overall_gradient_pct": 10.186847763419493,
 "accumulated_ascent_m": 544.7175721952498,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.567833444808002,
   "start_distance_m": 2961.0,
   "end_distance_m": 2966.0,
   "midpoint_distance_m": 2963.5,
   "start_elevation_m": 991.7013655651233,
   "end_elevation_m": 993.0297572373637,
   "start_xy": [
    2581133.545195179,
    1223258.4289520734
   ],
   "end_xy": [
    2581128.8969445433,
    1223256.5867343808
   ]
  },
  "max_10m": {
   "gradient_pct": 25.676691093162844,
   "start_distance_m": 1325.0,
   "end_distance_m": 1335.0,
   "midpoint_distance_m": 1330.0,
   "start_elevation_m": 843.8907253759486,
   "end_elevation_m": 846.4583944852649,
   "start_xy": [
    2581888.0245868443,
    1223192.67527134
   ],
   "end_xy": [
    2581881.056584321,
    1223185.5168242564
   ]
  },
  "max_20m": {
   "gradient_pct": 23.28979686496325,
   "start_distance_m": 1320.0,
   "end_distance_m": 1340.0,
   "midpoint_distance_m": 1330.0,
   "start_elevation_m": 842.9044619329926,
   "end_elevation_m": 847.5624213059853,
   "start_xy": [
    2581891.404892664,
    1223196.3594988799
   ],
   "end_xy": [
    2581877.3302587415,
    1223182.182982977
   ]
  },
  "max_25m": {
   "gradient_pct": 22.174396454831367,
   "start_distance_m": 1315.0,
   "end_distance_m": 1340.0,
   "midpoint_distance_m": 1327.5,
   "start_elevation_m": 842.0188221922774,
   "end_elevation_m": 847.5624213059853,
   "start_xy": [
    2581894.7851984836,
    1223200.0437264196
   ],
   "end_xy": [
    2581877.3302587415,
    1223182.182982977
   ]
  },
  "max_50m": {
   "gradient_pct": 19.35744425612279,
   "start_distance_m": 1290.0,
   "end_distance_m": 1340.0,
   "midpoint_distance_m": 1315.0,
   "start_elevation_m": 837.8836991779239,
   "end_elevation_m": 847.5624213059853,
   "start_xy": [
    2581912.2679142314,
    1223217.8865465843
   ],
   "end_xy": [
    2581877.3302587415,
    1223182.182982977
   ]
  },
  "max_100m": {
   "gradient_pct": 18.066516072811623,
   "start_distance_m": 1238.0,
   "end_distance_m": 1338.0,
   "midpoint_distance_m": 1288.0,
   "start_elevation_m": 829.0965012650612,
   "end_elevation_m": 847.1630173378728,
   "start_xy": [
    2581955.572879491,
    1223246.2417755786
   ],
   "end_xy": [
    2581878.820788973,
    1223183.5165194888
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.9966636297367586,
   "start_distance_m": 4469.0,
   "end_distance_m": 4474.0,
   "midpoint_distance_m": 4471.5,
   "start_elevation_m": 1138.2751335311245,
   "end_elevation_m": 1138.0753003496377,
   "start_xy": [
    2581390.7581994925,
    1223802.8330790615
   ],
   "end_xy": [
    2581395.140062978,
    1223805.241246911
   ]
  },
  "min_10m": {
   "gradient_pct": -0.14194997652111851,
   "start_distance_m": 5222.0,
   "end_distance_m": 5232.0,
   "midpoint_distance_m": 5227.0,
   "start_elevation_m": 1207.9917469821426,
   "end_elevation_m": 1207.9775519844904,
   "start_xy": [
    2582016.0125644994,
    1224198.3246923108
   ],
   "end_xy": [
    2582025.39057826,
    1224201.7964149246
   ]
  },
  "min_20m": {
   "gradient_pct": 0.21482782255816346,
   "start_distance_m": 5213.0,
   "end_distance_m": 5233.0,
   "midpoint_distance_m": 5223.0,
   "start_elevation_m": 1207.9377139744954,
   "end_elevation_m": 1207.980679539007,
   "start_xy": [
    2582007.9809075403,
    1224194.2857266725
   ],
   "end_xy": [
    2582026.328379636,
    1224202.143587186
   ]
  },
  "min_25m": {
   "gradient_pct": 0.24983378195611294,
   "start_distance_m": 5211.0,
   "end_distance_m": 5236.0,
   "midpoint_distance_m": 5223.5,
   "start_elevation_m": 1207.9338542014307,
   "end_elevation_m": 1207.9963126469197,
   "start_xy": [
    2582006.212318524,
    1224193.3518675338
   ],
   "end_xy": [
    2582029.1417837646,
    1224203.18510397
   ]
  },
  "min_50m": {
   "gradient_pct": 1.0346261233198675,
   "start_distance_m": 5204.0,
   "end_distance_m": 5254.0,
   "midpoint_distance_m": 5229.0,
   "start_elevation_m": 1207.8011426921669,
   "end_elevation_m": 1208.3184557538268,
   "start_xy": [
    2582000.0222569657,
    1224190.0833605488
   ],
   "end_xy": [
    2582046.4462574176,
    1224207.9989172376
   ]
  },
  "min_100m": {
   "gradient_pct": 2.133004459664562,
   "start_distance_m": 5193.0,
   "end_distance_m": 5293.0,
   "midpoint_distance_m": 5243.0,
   "start_elevation_m": 1207.456814010374,
   "end_elevation_m": 1209.5898184700386,
   "start_xy": [
    2581990.28642894,
    1224184.9634665048
   ],
   "end_xy": [
    2582085.1581562776,
    1224212.5089114357
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 38.609156914145615,
   "start_distance_m": 2964.0,
   "end_distance_m": 2966.0,
   "midpoint_distance_m": 2965.0,
   "start_elevation_m": 992.2575740990808,
   "end_elevation_m": 993.0297572373637,
   "start_xy": [
    2581130.7562447977,
    1223257.323621458
   ],
   "end_xy": [
    2581128.8969445433,
    1223256.5867343808
   ]
  },
  "max_3m": {
   "gradient_pct": 32.033203053094894,
   "start_distance_m": 2964.0,
   "end_distance_m": 2967.0,
   "midpoint_distance_m": 2965.5,
   "start_elevation_m": 992.2575740990808,
   "end_elevation_m": 993.2185701906736,
   "start_xy": [
    2581130.7562447977,
    1223257.323621458
   ],
   "end_xy": [
    2581127.967294416,
    1223256.2182908424
   ]
  }
 },
 "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"
  ]
 },
 "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_2025_2580-1222_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2580-1223_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2581-1222_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2581-1223_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2581-1224_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2582-1223_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2582-1224_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T23:43:23+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": [
   "2580-1222",
   "2580-1223",
   "2581-1222",
   "2581-1223",
   "2581-1224",
   "2582-1223",
   "2582-1224"
  ],
  "route_summit_trim_m": 416.7,
  "route_summit_trim_loss_m": 33.4,
  "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": "Orvin",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}