{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (43.7903, -72.5272)",
 "slug": "discovered-lane-43-7903-72-5272",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 50.31668622970926,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 84.0,
   "end_distance_m": 86.0,
   "start_elevation_m": 338.4812010797847,
   "end_elevation_m": 339.48753480437887,
   "min_gradient_pct": -19.11165442598417
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 49.45729938007162,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 84.0,
   "end_distance_m": 87.0,
   "start_elevation_m": 338.4812010797847,
   "end_elevation_m": 339.96492006118683,
   "min_gradient_pct": -17.78515625167832
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 47.546717338639155,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 83.0,
   "end_distance_m": 88.0,
   "start_elevation_m": 338.02643220463153,
   "end_elevation_m": 340.4037680715635,
   "min_gradient_pct": -13.90992207374893
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 38.42761037420644,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 83.0,
   "end_distance_m": 93.0,
   "start_elevation_m": 338.02643220463153,
   "end_elevation_m": 341.8691932420522,
   "min_gradient_pct": -8.76200510068145
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 36.59185571719007,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 83.0,
   "end_distance_m": 103.0,
   "start_elevation_m": 338.02643220463153,
   "end_elevation_m": 345.34480334806955,
   "min_gradient_pct": -4.177131747070746
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 32.39729002715012,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 82.0,
   "end_distance_m": 107.0,
   "start_elevation_m": 337.7979448637164,
   "end_elevation_m": 345.8972673705039,
   "min_gradient_pct": -2.592989592937556
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.994680233804388,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 82.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 337.7979448637164,
   "end_elevation_m": 350.2952849806186,
   "min_gradient_pct": -0.6190039915736634
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.670992943508395,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 82.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 337.7979448637164,
   "end_elevation_m": 358.4689378072248,
   "min_gradient_pct": 2.4479169830515843
  }
 ],
 "shape": {
  "ascent_concentration": 0.516,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 115.0,
  "shape_class": "stepped"
 },
 "length_m": 282.7839368131931,
 "start_elevation_m": 333.7366700925245,
 "end_elevation_m": 361.8543948359453,
 "endpoint_gain_m": 28.11772474342081,
 "overall_gradient_pct": 9.943183145510616,
 "accumulated_ascent_m": 30.81346193197487,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 47.546717338639155,
   "start_distance_m": 83.0,
   "end_distance_m": 88.0,
   "midpoint_distance_m": 85.5,
   "start_elevation_m": 338.02643220463153,
   "end_elevation_m": 340.4037680715635,
   "start_xy": [
    698879.8576668036,
    4851538.199713129
   ],
   "end_xy": [
    698884.8456432754,
    4851537.940185918
   ]
  },
  "max_10m": {
   "gradient_pct": 38.42761037420644,
   "start_distance_m": 83.0,
   "end_distance_m": 93.0,
   "midpoint_distance_m": 88.0,
   "start_elevation_m": 338.02643220463153,
   "end_elevation_m": 341.8691932420522,
   "start_xy": [
    698879.8576668036,
    4851538.199713129
   ],
   "end_xy": [
    698889.8416813452,
    4851538.139182573
   ]
  },
  "max_20m": {
   "gradient_pct": 36.59185571719007,
   "start_distance_m": 83.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 93.0,
   "start_elevation_m": 338.02643220463153,
   "end_elevation_m": 345.34480334806955,
   "start_xy": [
    698879.8576668036,
    4851538.199713129
   ],
   "end_xy": [
    698899.8338358308,
    4851538.535193433
   ]
  },
  "max_25m": {
   "gradient_pct": 32.39729002715012,
   "start_distance_m": 82.0,
   "end_distance_m": 107.0,
   "midpoint_distance_m": 94.5,
   "start_elevation_m": 337.7979448637164,
   "end_elevation_m": 345.8972673705039,
   "start_xy": [
    698878.860713161,
    4851538.277709502
   ],
   "end_xy": [
    698903.8306745325,
    4851538.6941823065
   ]
  },
  "max_50m": {
   "gradient_pct": 24.994680233804388,
   "start_distance_m": 82.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 107.0,
   "start_elevation_m": 337.7979448637164,
   "end_elevation_m": 350.2952849806186,
   "start_xy": [
    698878.860713161,
    4851538.277709502
   ],
   "end_xy": [
    698928.3032490686,
    4851543.639815302
   ]
  },
  "max_100m": {
   "gradient_pct": 20.670992943508395,
   "start_distance_m": 82.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 132.0,
   "start_elevation_m": 337.7979448637164,
   "end_elevation_m": 358.4689378072248,
   "start_xy": [
    698878.860713161,
    4851538.277709502
   ],
   "end_xy": [
    698965.5781233502,
    4851573.825625007
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.90992207374893,
   "start_distance_m": 24.0,
   "end_distance_m": 29.0,
   "midpoint_distance_m": 26.5,
   "start_elevation_m": 334.05744644116567,
   "end_elevation_m": 333.3619503374782,
   "start_xy": [
    698821.9078605426,
    4851548.454018275
   ],
   "end_xy": [
    698826.8118863632,
    4851547.515521603
   ]
  },
  "min_10m": {
   "gradient_pct": -8.76200510068145,
   "start_distance_m": 20.0,
   "end_distance_m": 30.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 334.1777517668197,
   "end_elevation_m": 333.30155125675157,
   "start_xy": [
    698817.9418055213,
    4851548.974025487
   ],
   "end_xy": [
    698827.7812005517,
    4851547.2696964545
   ]
  },
  "min_20m": {
   "gradient_pct": -4.177131747070746,
   "start_distance_m": 257.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 267.0,
   "start_elevation_m": 361.19590380507344,
   "end_elevation_m": 360.3604774556593,
   "start_xy": [
    699021.8282907221,
    4851622.893640505
   ],
   "end_xy": [
    699036.1596608931,
    4851636.657176983
   ]
  },
  "min_25m": {
   "gradient_pct": -2.592989592937556,
   "start_distance_m": 252.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 264.5,
   "start_elevation_m": 361.0087248538937,
   "end_elevation_m": 360.3604774556593,
   "start_xy": [
    699018.3257416328,
    4851619.325460478
   ],
   "end_xy": [
    699036.1596608931,
    4851636.657176983
   ]
  },
  "min_50m": {
   "gradient_pct": -0.6190039915736634,
   "start_distance_m": 227.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 252.0,
   "start_elevation_m": 360.6699794514461,
   "end_elevation_m": 360.3604774556593,
   "start_xy": [
    699000.2269310525,
    4851602.118183925
   ],
   "end_xy": [
    699036.1596608931,
    4851636.657176983
   ]
  },
  "min_100m": {
   "gradient_pct": 2.4479169830515843,
   "start_distance_m": 177.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 227.0,
   "start_elevation_m": 357.9125604726077,
   "end_elevation_m": 360.3604774556593,
   "start_xy": [
    698962.8018399957,
    4851569.6672306955
   ],
   "end_xy": [
    699036.1596608931,
    4851636.657176983
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 50.31668622970926,
   "start_distance_m": 84.0,
   "end_distance_m": 86.0,
   "midpoint_distance_m": 85.0,
   "start_elevation_m": 338.4812010797847,
   "end_elevation_m": 339.48753480437887,
   "start_xy": [
    698880.8546201623,
    4851538.1217131475
   ],
   "end_xy": [
    698882.8484529112,
    4851537.964778349
   ]
  },
  "max_3m": {
   "gradient_pct": 49.45729938007162,
   "start_distance_m": 84.0,
   "end_distance_m": 87.0,
   "midpoint_distance_m": 85.5,
   "start_elevation_m": 338.4812010797847,
   "end_elevation_m": 339.96492006118683,
   "start_xy": [
    698880.8546201623,
    4851538.1217131475
   ],
   "end_xy": [
    698883.8464046123,
    4851537.901171952
   ]
  }
 },
 "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": [
   "max5_over_45",
   "short_window_divergence"
  ],
  "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/vt/USGS_1M_18_x69y486_VT_Statewide_A23.tif"
  ],
  "calculated_at": "2026-09-03T14:54:32+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/discovered-lane-43-7903-72-5272/discovered-lane-43-7903-72-5272.geojson",
  "run_id": "canopy-all-260903",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, VT_Statewide_A23 (collected 2023)",
  "elevation_tile_ids": [
   "x69y486"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: VT_Statewide_2_A23: no corridor points fetched; VT_Statewide_1_A23: no EPT nodes intersect the corridor",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Royalton",
  "county": "Vermont"
 }
}