{
 "ocl_version": "0.1.0",
 "name": "Ledgeview Street",
 "slug": "ledgeview-street",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.42297043551298,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 152.0,
   "end_distance_m": 154.0,
   "start_elevation_m": 169.35048584409216,
   "end_elevation_m": 169.81894525280242,
   "min_gradient_pct": -3.1614713915729453
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.244184618232566,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 151.0,
   "end_distance_m": 154.0,
   "start_elevation_m": 169.12161971425544,
   "end_elevation_m": 169.81894525280242,
   "min_gradient_pct": -2.835212262366819
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.438552964131873,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 134.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 165.53343310564972,
   "end_elevation_m": 166.6553607538563,
   "min_gradient_pct": -2.364100616204041
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.477700871341767,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 132.0,
   "end_distance_m": 142.0,
   "start_elevation_m": 165.11080702667775,
   "end_elevation_m": 167.25857711381192,
   "min_gradient_pct": 2.0573974350253366
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.427560735763507,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 134.0,
   "end_distance_m": 154.0,
   "start_elevation_m": 165.53343310564972,
   "end_elevation_m": 169.81894525280242,
   "min_gradient_pct": 6.164214915124262
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.275983570448716,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 130.0,
   "end_distance_m": 155.0,
   "start_elevation_m": 164.70934217719022,
   "end_elevation_m": 170.0283380698024,
   "min_gradient_pct": 6.394910474745302
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.875005343221687,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 256.0,
   "end_distance_m": 306.0,
   "start_elevation_m": 184.98567343142966,
   "end_elevation_m": 194.9231761030405,
   "min_gradient_pct": 7.4967140908637475
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.68134029320811,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 239.0,
   "end_distance_m": 339.0,
   "start_elevation_m": 182.66589770506414,
   "end_elevation_m": 200.34723799827225,
   "min_gradient_pct": 8.927204514266379
  }
 ],
 "shape": {
  "ascent_concentration": 0.302,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 193.0,
  "shape_class": "sustained"
 },
 "length_m": 528.1981836572762,
 "start_elevation_m": 144.73265763773975,
 "end_elevation_m": 221.9903315498388,
 "endpoint_gain_m": 77.25767391209905,
 "overall_gradient_pct": 14.6266451310306,
 "accumulated_ascent_m": 77.37587894290925,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.438552964131873,
   "start_distance_m": 134.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 136.5,
   "start_elevation_m": 165.53343310564972,
   "end_elevation_m": 166.6553607538563,
   "start_xy": [
    377317.13834644854,
    4935454.361129708
   ],
   "end_xy": [
    377317.60229536094,
    4935459.3395578945
   ]
  },
  "max_10m": {
   "gradient_pct": 21.477700871341767,
   "start_distance_m": 132.0,
   "end_distance_m": 142.0,
   "midpoint_distance_m": 137.0,
   "start_elevation_m": 165.11080702667775,
   "end_elevation_m": 167.25857711381192,
   "start_xy": [
    377316.9523180039,
    4935452.369800149
   ],
   "end_xy": [
    377317.8812952056,
    4935462.326556233
   ]
  },
  "max_20m": {
   "gradient_pct": 21.427560735763507,
   "start_distance_m": 134.0,
   "end_distance_m": 154.0,
   "midpoint_distance_m": 144.0,
   "start_elevation_m": 165.53343310564972,
   "end_elevation_m": 169.81894525280242,
   "start_xy": [
    377317.13834644854,
    4935454.361129708
   ],
   "end_xy": [
    377317.829171372,
    4935474.161104519
   ]
  },
  "max_25m": {
   "gradient_pct": 21.275983570448716,
   "start_distance_m": 130.0,
   "end_distance_m": 155.0,
   "midpoint_distance_m": 142.5,
   "start_elevation_m": 164.70934217719022,
   "end_elevation_m": 170.0283380698024,
   "start_xy": [
    377316.7663775109,
    4935450.378462374
   ],
   "end_xy": [
    377317.54189724283,
    4935475.118952922
   ]
  },
  "max_50m": {
   "gradient_pct": 19.875005343221687,
   "start_distance_m": 256.0,
   "end_distance_m": 306.0,
   "midpoint_distance_m": 281.0,
   "start_elevation_m": 184.98567343142966,
   "end_elevation_m": 194.9231761030405,
   "start_xy": [
    377313.5273421098,
    4935569.704494553
   ],
   "end_xy": [
    377349.70635143516,
    4935604.2165034395
   ]
  },
  "max_100m": {
   "gradient_pct": 17.68134029320811,
   "start_distance_m": 239.0,
   "end_distance_m": 339.0,
   "midpoint_distance_m": 289.0,
   "start_elevation_m": 182.66589770506414,
   "end_elevation_m": 200.34723799827225,
   "start_xy": [
    377303.2311688177,
    4935556.218556644
   ],
   "end_xy": [
    377373.58484090783,
    4935626.994068087
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.364100616204041,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 144.73265763773975,
   "end_elevation_m": 144.61445260692955,
   "start_xy": [
    377260.007,
    4935341.391
   ],
   "end_xy": [
    377263.96069629944,
    4935344.451765025
   ]
  },
  "min_10m": {
   "gradient_pct": 2.0573974350253366,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 144.73265763773975,
   "end_elevation_m": 144.93839738124228,
   "start_xy": [
    377260.007,
    4935341.391
   ],
   "end_xy": [
    377267.91401760763,
    4935347.513013624
   ]
  },
  "min_20m": {
   "gradient_pct": 6.164214915124262,
   "start_distance_m": 355.0,
   "end_distance_m": 375.0,
   "midpoint_distance_m": 365.0,
   "start_elevation_m": 202.0753810294093,
   "end_elevation_m": 203.30822401243415,
   "start_xy": [
    377385.1231393412,
    4935638.077025955
   ],
   "end_xy": [
    377398.91659458965,
    4935652.559447076
   ]
  },
  "min_25m": {
   "gradient_pct": 6.394910474745302,
   "start_distance_m": 354.0,
   "end_distance_m": 379.0,
   "midpoint_distance_m": 366.5,
   "start_elevation_m": 202.0125656993791,
   "end_elevation_m": 203.61129331806544,
   "start_xy": [
    377384.433262798,
    4935637.353098936
   ],
   "end_xy": [
    377401.6751899896,
    4935655.45602254
   ]
  },
  "min_50m": {
   "gradient_pct": 7.4967140908637475,
   "start_distance_m": 350.0,
   "end_distance_m": 400.0,
   "midpoint_distance_m": 375.0,
   "start_elevation_m": 201.68001657640235,
   "end_elevation_m": 205.42837362183423,
   "start_xy": [
    377381.5443877544,
    4935634.586538053
   ],
   "end_xy": [
    377416.15852212574,
    4935670.662371042
   ]
  },
  "min_100m": {
   "gradient_pct": 8.927204514266379,
   "start_distance_m": 344.0,
   "end_distance_m": 444.0,
   "midpoint_distance_m": 394.0,
   "start_elevation_m": 201.01646998961002,
   "end_elevation_m": 209.9436745038764,
   "start_xy": [
    377377.20288952574,
    4935630.445114485
   ],
   "end_xy": [
    377446.3881572024,
    4935702.633489698
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.42297043551298,
   "start_distance_m": 152.0,
   "end_distance_m": 154.0,
   "midpoint_distance_m": 153.0,
   "start_elevation_m": 169.35048584409216,
   "end_elevation_m": 169.81894525280242,
   "start_xy": [
    377318.4040582136,
    4935472.245509516
   ],
   "end_xy": [
    377317.829171372,
    4935474.161104519
   ]
  },
  "max_3m": {
   "gradient_pct": 23.244184618232566,
   "start_distance_m": 151.0,
   "end_distance_m": 154.0,
   "midpoint_distance_m": 152.5,
   "start_elevation_m": 169.12161971425544,
   "end_elevation_m": 169.81894525280242,
   "start_xy": [
    377318.691930934,
    4935471.287840852
   ],
   "end_xy": [
    377317.829171372,
    4935474.161104519
   ]
  }
 },
 "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:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/me/USGS_1M_19_x37y494_ME_WesternMtns_B24.tif"
  ],
  "calculated_at": "2026-09-03T18:30:56+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/ledgeview-street/ledgeview-street.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": [
   "x37y494"
  ],
  "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": "Mexico",
  "county": "Maine"
 }
}