{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (44.3797, -70.8390)",
 "slug": "discovered-lane-44-3797-70-8390",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 51.49088376607267,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1306.0,
   "end_distance_m": 1308.0,
   "start_elevation_m": 309.5560347486952,
   "end_elevation_m": 310.58585242401665,
   "min_gradient_pct": -32.976687491321854
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 50.51433379387049,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1306.0,
   "end_distance_m": 1309.0,
   "start_elevation_m": 309.5560347486952,
   "end_elevation_m": 311.0714647625113,
   "min_gradient_pct": -31.229226274702643
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 48.76363032592394,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1304.0,
   "end_distance_m": 1309.0,
   "start_elevation_m": 308.6332832462151,
   "end_elevation_m": 311.0714647625113,
   "min_gradient_pct": -30.65935196027681
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 40.4773390472468,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1302.0,
   "end_distance_m": 1312.0,
   "start_elevation_m": 308.03243582033997,
   "end_elevation_m": 312.08016972506465,
   "min_gradient_pct": -27.807357576384675
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.153962915088243,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1304.0,
   "end_distance_m": 1324.0,
   "start_elevation_m": 308.6332832462151,
   "end_elevation_m": 314.06407582923276,
   "min_gradient_pct": -19.956233257023825
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 29.211378602803507,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1303.0,
   "end_distance_m": 1328.0,
   "start_elevation_m": 308.2802533865454,
   "end_elevation_m": 315.58309803724626,
   "min_gradient_pct": -16.287499511953683
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.072616380090494,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1278.0,
   "end_distance_m": 1328.0,
   "start_elevation_m": 305.046789847201,
   "end_elevation_m": 315.58309803724626,
   "min_gradient_pct": -7.524769580479756
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.908315811536,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1244.0,
   "end_distance_m": 1344.0,
   "start_elevation_m": 300.572645639514,
   "end_elevation_m": 317.48096145105,
   "min_gradient_pct": -2.1033457647576483
  }
 ],
 "shape": {
  "ascent_concentration": 0.344,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 90.0,
  "shape_class": "sustained"
 },
 "length_m": 2097.960333918274,
 "start_elevation_m": 224.3299067330837,
 "end_elevation_m": 351.2997439099053,
 "endpoint_gain_m": 126.96983717682161,
 "overall_gradient_pct": 6.052060905254834,
 "accumulated_ascent_m": 143.22081344183084,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 48.76363032592394,
   "start_distance_m": 1304.0,
   "end_distance_m": 1309.0,
   "midpoint_distance_m": 1306.5,
   "start_elevation_m": 308.6332832462151,
   "end_elevation_m": 311.0714647625113,
   "start_xy": [
    353983.84128163126,
    4915456.135965548
   ],
   "end_xy": [
    353982.6785251836,
    4915460.998885869
   ]
  },
  "max_10m": {
   "gradient_pct": 40.4773390472468,
   "start_distance_m": 1302.0,
   "end_distance_m": 1312.0,
   "midpoint_distance_m": 1307.0,
   "start_elevation_m": 308.03243582033997,
   "end_elevation_m": 312.08016972506465,
   "start_xy": [
    353984.306537545,
    4915454.190834079
   ],
   "end_xy": [
    353981.9805998231,
    4915463.916573155
   ]
  },
  "max_20m": {
   "gradient_pct": 27.153962915088243,
   "start_distance_m": 1304.0,
   "end_distance_m": 1324.0,
   "midpoint_distance_m": 1314.0,
   "start_elevation_m": 308.6332832462151,
   "end_elevation_m": 314.06407582923276,
   "start_xy": [
    353983.84128163126,
    4915456.135965548
   ],
   "end_xy": [
    353972.653889865,
    4915470.443541255
   ]
  },
  "max_25m": {
   "gradient_pct": 29.211378602803507,
   "start_distance_m": 1303.0,
   "end_distance_m": 1328.0,
   "midpoint_distance_m": 1315.5,
   "start_elevation_m": 308.2802533865454,
   "end_elevation_m": 315.58309803724626,
   "start_xy": [
    353984.0741631247,
    4915455.163460428
   ],
   "end_xy": [
    353969.0560145382,
    4915472.191480719
   ]
  },
  "max_50m": {
   "gradient_pct": 21.072616380090494,
   "start_distance_m": 1278.0,
   "end_distance_m": 1328.0,
   "midpoint_distance_m": 1303.0,
   "start_elevation_m": 305.046789847201,
   "end_elevation_m": 315.58309803724626,
   "start_xy": [
    353989.8882204263,
    4915430.848925947
   ],
   "end_xy": [
    353969.0560145382,
    4915472.191480719
   ]
  },
  "max_100m": {
   "gradient_pct": 16.908315811536,
   "start_distance_m": 1244.0,
   "end_distance_m": 1344.0,
   "midpoint_distance_m": 1294.0,
   "start_elevation_m": 300.572645639514,
   "end_elevation_m": 317.48096145105,
   "start_xy": [
    353995.8723730995,
    4915397.478378645
   ],
   "end_xy": [
    353954.66470410157,
    4915479.183631453
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -30.65935196027681,
   "start_distance_m": 1744.0,
   "end_distance_m": 1749.0,
   "midpoint_distance_m": 1746.5,
   "start_elevation_m": 333.52409960946903,
   "end_elevation_m": 331.9911320114552,
   "start_xy": [
    353594.67252474616,
    4915653.094288166
   ],
   "end_xy": [
    353590.12381409184,
    4915655.170156211
   ]
  },
  "min_10m": {
   "gradient_pct": -27.807357576384675,
   "start_distance_m": 1739.0,
   "end_distance_m": 1749.0,
   "midpoint_distance_m": 1744.0,
   "start_elevation_m": 334.77186776909366,
   "end_elevation_m": 331.9911320114552,
   "start_xy": [
    353599.2213814198,
    4915651.018739923
   ],
   "end_xy": [
    353590.12381409184,
    4915655.170156211
   ]
  },
  "min_20m": {
   "gradient_pct": -19.956233257023825,
   "start_distance_m": 1732.0,
   "end_distance_m": 1752.0,
   "midpoint_distance_m": 1742.0,
   "start_elevation_m": 335.8875489303506,
   "end_elevation_m": 331.8963022789458,
   "start_xy": [
    353605.58985603234,
    4915648.113137084
   ],
   "end_xy": [
    353587.3944298562,
    4915656.415331439
   ]
  },
  "min_25m": {
   "gradient_pct": -16.287499511953683,
   "start_distance_m": 1727.0,
   "end_distance_m": 1752.0,
   "midpoint_distance_m": 1739.5,
   "start_elevation_m": 335.96817715693425,
   "end_elevation_m": 331.8963022789458,
   "start_xy": [
    353610.13856668666,
    4915646.037269039
   ],
   "end_xy": [
    353587.3944298562,
    4915656.415331439
   ]
  },
  "min_50m": {
   "gradient_pct": -7.524769580479756,
   "start_distance_m": 1709.0,
   "end_distance_m": 1759.0,
   "midpoint_distance_m": 1734.0,
   "start_elevation_m": 335.836435894846,
   "end_elevation_m": 332.0740511046061,
   "start_xy": [
    353626.51446078817,
    4915638.565317333
   ],
   "end_xy": [
    353581.02601522417,
    4915659.321064486
   ]
  },
  "min_100m": {
   "gradient_pct": -2.1033457647576483,
   "start_distance_m": 1655.0,
   "end_distance_m": 1755.0,
   "midpoint_distance_m": 1705.0,
   "start_elevation_m": 333.9951097040188,
   "end_elevation_m": 331.8917639392611,
   "start_xy": [
    353675.64197084523,
    4915616.1490847245
   ],
   "end_xy": [
    353584.66487337317,
    4915657.660129176
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 51.49088376607267,
   "start_distance_m": 1306.0,
   "end_distance_m": 1308.0,
   "midpoint_distance_m": 1307.0,
   "start_elevation_m": 309.5560347486952,
   "end_elevation_m": 310.58585242401665,
   "start_xy": [
    353983.37623799575,
    4915458.081147769
   ],
   "end_xy": [
    353982.91119436035,
    4915460.026329989
   ]
  },
  "max_3m": {
   "gradient_pct": 50.51433379387049,
   "start_distance_m": 1306.0,
   "end_distance_m": 1309.0,
   "midpoint_distance_m": 1307.5,
   "start_elevation_m": 309.5560347486952,
   "end_elevation_m": 311.0714647625113,
   "start_xy": [
    353983.37623799575,
    4915458.081147769
   ],
   "end_xy": [
    353982.6785251836,
    4915460.998885869
   ]
  }
 },
 "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",
   "max10_over_40",
   "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:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/me/USGS_1M_19_x35y492_ME_WesternMtns_B24.tif"
  ],
  "calculated_at": "2026-09-03T15:05:12+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/discovered-lane-44-3797-70-8390/discovered-lane-44-3797-70-8390.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, ME_WesternMtns_B24 (collected 2024)",
  "elevation_tile_ids": [
   "x35y492"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: NH_Umbagog_2016: no corridor points fetched; USGS_LPC_ME_NRCS_Lot4_2013_LAS_2015: no corridor points fetched; ME_SouthCentral_1_B22: no corridor points fetched",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Bethel",
  "county": "Maine"
 }
}