{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0748, 9.0505)",
 "slug": "discovered-lane-47-0748-9-0505",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.51567041327212,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 187.0,
   "end_distance_m": 189.0,
   "start_elevation_m": 455.2968046132152,
   "end_elevation_m": 455.82711802148066,
   "min_gradient_pct": -31.122052626724894
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.206035995369348,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 187.0,
   "end_distance_m": 190.0,
   "start_elevation_m": 455.2968046132152,
   "end_elevation_m": 456.0829856930763,
   "min_gradient_pct": -16.307532000039753
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.137241966360534,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 187.0,
   "end_distance_m": 192.0,
   "start_elevation_m": 455.2968046132152,
   "end_elevation_m": 456.50366671153324,
   "min_gradient_pct": -2.6118657200981943
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.022864472542665,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 185.0,
   "end_distance_m": 195.0,
   "start_elevation_m": 454.9091779099378,
   "end_elevation_m": 457.11146435719206,
   "min_gradient_pct": -0.5155201626882899
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.96372034447967,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 185.0,
   "end_distance_m": 205.0,
   "start_elevation_m": 454.9091779099378,
   "end_elevation_m": 459.10192197883373,
   "min_gradient_pct": -0.38757726506247536
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.64428611713015,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 185.0,
   "end_distance_m": 210.0,
   "start_elevation_m": 454.9091779099378,
   "end_elevation_m": 460.07024943922033,
   "min_gradient_pct": -0.2892360698610901
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.013063482238863,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 185.0,
   "end_distance_m": 235.0,
   "start_elevation_m": 454.9091779099378,
   "end_elevation_m": 464.4157096510572,
   "min_gradient_pct": -0.030146505351126507
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.048100917914724,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 178.0,
   "end_distance_m": 278.0,
   "start_elevation_m": 453.7414480885865,
   "end_elevation_m": 470.7895490065012,
   "min_gradient_pct": 0.8958688085125459,
   "suppressed_max_gradient_pct": 17.09995175906397,
   "suppressed_location_m": [
    175.0,
    275.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.455,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 168.0,
  "shape_class": "stepped"
 },
 "length_m": 537.3771838804101,
 "start_elevation_m": 448.12558168212837,
 "end_elevation_m": 495.96766257051553,
 "endpoint_gain_m": 47.84208088838716,
 "overall_gradient_pct": 8.902886524306567,
 "accumulated_ascent_m": 49.22072273060377,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.137241966360534,
   "start_distance_m": 187.0,
   "end_distance_m": 192.0,
   "midpoint_distance_m": 189.5,
   "start_elevation_m": 455.2968046132152,
   "end_elevation_m": 456.50366671153324,
   "start_xy": [
    2722464.6232985705,
    1215146.734481386
   ],
   "end_xy": [
    2722462.3259231006,
    1215142.3343970869
   ]
  },
  "max_10m": {
   "gradient_pct": 22.022864472542665,
   "start_distance_m": 185.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 190.0,
   "start_elevation_m": 454.9091779099378,
   "end_elevation_m": 457.11146435719206,
   "start_xy": [
    2722465.7335156323,
    1215148.3980372387
   ],
   "end_xy": [
    2722461.3089247104,
    1215139.5120373871
   ]
  },
  "max_20m": {
   "gradient_pct": 20.96372034447967,
   "start_distance_m": 185.0,
   "end_distance_m": 205.0,
   "midpoint_distance_m": 195.0,
   "start_elevation_m": 454.9091779099378,
   "end_elevation_m": 459.10192197883373,
   "start_xy": [
    2722465.7335156323,
    1215148.3980372387
   ],
   "end_xy": [
    2722457.962635826,
    1215130.0904762489
   ]
  },
  "max_25m": {
   "gradient_pct": 20.64428611713015,
   "start_distance_m": 185.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 197.5,
   "start_elevation_m": 454.9091779099378,
   "end_elevation_m": 460.07024943922033,
   "start_xy": [
    2722465.7335156323,
    1215148.3980372387
   ],
   "end_xy": [
    2722456.6701003984,
    1215125.2604294408
   ]
  },
  "max_50m": {
   "gradient_pct": 19.013063482238863,
   "start_distance_m": 185.0,
   "end_distance_m": 235.0,
   "midpoint_distance_m": 210.0,
   "start_elevation_m": 454.9091779099378,
   "end_elevation_m": 464.4157096510572,
   "start_xy": [
    2722465.7335156323,
    1215148.3980372387
   ],
   "end_xy": [
    2722450.207423261,
    1215101.1101954002
   ]
  },
  "max_100m": {
   "gradient_pct": 17.048100917914724,
   "start_distance_m": 178.0,
   "end_distance_m": 278.0,
   "midpoint_distance_m": 228.0,
   "start_elevation_m": 453.7414480885865,
   "end_elevation_m": 470.7895490065012,
   "start_xy": [
    2722469.619275349,
    1215154.2204827233
   ],
   "end_xy": [
    2722442.2282872447,
    1215058.9235977582
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.6118657200981943,
   "start_distance_m": 172.0,
   "end_distance_m": 177.0,
   "midpoint_distance_m": 174.5,
   "start_elevation_m": 453.73779034943175,
   "end_elevation_m": 453.60719706342684,
   "start_xy": [
    2722472.9499265356,
    1215159.2111502816
   ],
   "end_xy": [
    2722470.1743838806,
    1215155.0522606496
   ]
  },
  "min_10m": {
   "gradient_pct": -0.5155201626882899,
   "start_distance_m": 24.0,
   "end_distance_m": 34.0,
   "midpoint_distance_m": 29.0,
   "start_elevation_m": 448.2661966812209,
   "end_elevation_m": 448.21464466495206,
   "start_xy": [
    2722563.034472831,
    1215275.369998615
   ],
   "end_xy": [
    2722558.181618628,
    1215266.6264406387
   ]
  },
  "min_20m": {
   "gradient_pct": -0.38757726506247536,
   "start_distance_m": 24.0,
   "end_distance_m": 44.0,
   "midpoint_distance_m": 34.0,
   "start_elevation_m": 448.2661966812209,
   "end_elevation_m": 448.1886812282084,
   "start_xy": [
    2722563.034472831,
    1215275.369998615
   ],
   "end_xy": [
    2722553.328764425,
    1215257.8828826624
   ]
  },
  "min_25m": {
   "gradient_pct": -0.2892360698610901,
   "start_distance_m": 27.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 39.5,
   "start_elevation_m": 448.2434599919794,
   "end_elevation_m": 448.17115097451415,
   "start_xy": [
    2722561.57861657,
    1215272.746931222
   ],
   "end_xy": [
    2722549.446481063,
    1215250.8880362813
   ]
  },
  "min_50m": {
   "gradient_pct": -0.030146505351126507,
   "start_distance_m": 18.0,
   "end_distance_m": 68.0,
   "midpoint_distance_m": 43.0,
   "start_elevation_m": 448.24166241565746,
   "end_elevation_m": 448.2265891629819,
   "start_xy": [
    2722565.7073369655,
    1215280.7163823128
   ],
   "end_xy": [
    2722541.681914338,
    1215236.8983435193
   ]
  },
  "min_100m": {
   "gradient_pct": 0.8958688085125459,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 448.12558168212837,
   "end_elevation_m": 449.0214504906409,
   "start_xy": [
    2722570.795,
    1215297.982
   ],
   "end_xy": [
    2722520.76384264,
    1215212.9041794164
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.51567041327212,
   "start_distance_m": 187.0,
   "end_distance_m": 189.0,
   "midpoint_distance_m": 188.0,
   "start_elevation_m": 455.2968046132152,
   "end_elevation_m": 455.82711802148066,
   "start_xy": [
    2722464.6232985705,
    1215146.734481386
   ],
   "end_xy": [
    2722463.513081508,
    1215145.0709255333
   ]
  },
  "max_3m": {
   "gradient_pct": 26.206035995369348,
   "start_distance_m": 187.0,
   "end_distance_m": 190.0,
   "midpoint_distance_m": 188.5,
   "start_elevation_m": 455.2968046132152,
   "end_elevation_m": 456.0829856930763,
   "start_xy": [
    2722464.6232985705,
    1215146.734481386
   ],
   "end_xy": [
    2722463.0039220275,
    1215144.2159702198
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.011,
   "windows_resited": [
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    170.0,
    175.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "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_2020_2722-1214_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2722-1215_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T21:05:03+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": [
   "2722-1214",
   "2722-1215"
  ],
  "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": "Glarus",
  "county": "Glarus",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}