{
 "ocl_version": "0.1.0",
 "name": "Mountain View Lane",
 "slug": "mountain-view-lane",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 51.77878774239133,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 347.0,
   "end_distance_m": 349.0,
   "start_elevation_m": 131.16375923645816,
   "end_elevation_m": 132.199334991306,
   "min_gradient_pct": -34.34919081876444
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 47.22251171577815,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 347.0,
   "end_distance_m": 350.0,
   "start_elevation_m": 131.16375923645816,
   "end_elevation_m": 132.5804345879315,
   "min_gradient_pct": -32.280245060558364
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 42.21377164847581,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 345.0,
   "end_distance_m": 350.0,
   "start_elevation_m": 130.46974600550772,
   "end_elevation_m": 132.5804345879315,
   "min_gradient_pct": -25.158895289351904
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 34.066459136774085,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 344.0,
   "end_distance_m": 354.0,
   "start_elevation_m": 130.2031674992518,
   "end_elevation_m": 133.6098134129292,
   "min_gradient_pct": -20.99219958263518
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.84433008390505,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 118.0,
   "end_distance_m": 138.0,
   "start_elevation_m": 92.30676423017741,
   "end_elevation_m": 97.47563024695842,
   "min_gradient_pct": -18.371265218505215
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.64881071217764,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 173.0,
   "end_distance_m": 198.0,
   "start_elevation_m": 104.35671844076568,
   "end_elevation_m": 110.51892111881008,
   "min_gradient_pct": -18.296504389927804
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.684762668260138,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 116.0,
   "end_distance_m": 166.0,
   "start_elevation_m": 91.89589692490046,
   "end_elevation_m": 103.23827825903052,
   "min_gradient_pct": -14.638174434297923
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.35905813884455,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 100.0,
   "end_distance_m": 200.0,
   "start_elevation_m": 89.58902742932096,
   "end_elevation_m": 110.94808556816551,
   "min_gradient_pct": -12.364766735441803
  }
 ],
 "shape": {
  "ascent_concentration": 0.439,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 115.0,
  "shape_class": "sustained"
 },
 "length_m": 814.193052311341,
 "start_elevation_m": 85.96636987601786,
 "end_elevation_m": 147.08746860957876,
 "endpoint_gain_m": 61.1210987335609,
 "overall_gradient_pct": 7.506954101370626,
 "accumulated_ascent_m": 83.6820989582555,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 42.21377164847581,
   "start_distance_m": 345.0,
   "end_distance_m": 350.0,
   "midpoint_distance_m": 347.5,
   "start_elevation_m": 130.46974600550772,
   "end_elevation_m": 132.5804345879315,
   "start_xy": [
    421808.8274972073,
    4917850.071664372
   ],
   "end_xy": [
    421812.44697426475,
    4917846.622115731
   ]
  },
  "max_10m": {
   "gradient_pct": 34.066459136774085,
   "start_distance_m": 344.0,
   "end_distance_m": 354.0,
   "midpoint_distance_m": 349.0,
   "start_elevation_m": 130.2031674992518,
   "end_elevation_m": 133.6098134129292,
   "start_xy": [
    421808.10360179585,
    4917850.761574101
   ],
   "end_xy": [
    421815.3425559107,
    4917843.862476818
   ]
  },
  "max_20m": {
   "gradient_pct": 25.84433008390505,
   "start_distance_m": 118.0,
   "end_distance_m": 138.0,
   "midpoint_distance_m": 128.0,
   "start_elevation_m": 92.30676423017741,
   "end_elevation_m": 97.47563024695842,
   "start_xy": [
    421630.1068219405,
    4917984.706170049
   ],
   "end_xy": [
    421648.5391012728,
    4917976.944013221
   ]
  },
  "max_25m": {
   "gradient_pct": 24.64881071217764,
   "start_distance_m": 173.0,
   "end_distance_m": 198.0,
   "midpoint_distance_m": 185.5,
   "start_elevation_m": 104.35671844076568,
   "end_elevation_m": 110.51892111881008,
   "start_xy": [
    421680.79559010436,
    4917963.360238773
   ],
   "end_xy": [
    421702.41487171955,
    4917951.488394436
   ]
  },
  "max_50m": {
   "gradient_pct": 22.684762668260138,
   "start_distance_m": 116.0,
   "end_distance_m": 166.0,
   "midpoint_distance_m": 141.0,
   "start_elevation_m": 91.89589692490046,
   "end_elevation_m": 103.23827825903052,
   "start_xy": [
    421628.2635940073,
    4917985.482385731
   ],
   "end_xy": [
    421674.344292338,
    4917966.076993663
   ]
  },
  "max_100m": {
   "gradient_pct": 21.35905813884455,
   "start_distance_m": 100.0,
   "end_distance_m": 200.0,
   "midpoint_distance_m": 150.0,
   "start_elevation_m": 89.58902742932096,
   "end_elevation_m": 110.94808556816551,
   "start_xy": [
    421613.5177705415,
    4917991.692111193
   ],
   "end_xy": [
    421703.86266254255,
    4917950.10857498
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -25.158895289351904,
   "start_distance_m": 660.0,
   "end_distance_m": 665.0,
   "midpoint_distance_m": 662.5,
   "start_elevation_m": 162.6643065393671,
   "end_elevation_m": 161.4063617748995,
   "start_xy": [
    422044.4199313048,
    4917641.172924481
   ],
   "end_xy": [
    422048.2368045987,
    4917637.943144573
   ]
  },
  "min_10m": {
   "gradient_pct": -20.99219958263518,
   "start_distance_m": 660.0,
   "end_distance_m": 670.0,
   "midpoint_distance_m": 665.0,
   "start_elevation_m": 162.6643065393671,
   "end_elevation_m": 160.56508658110357,
   "start_xy": [
    422044.4199313048,
    4917641.172924481
   ],
   "end_xy": [
    422052.05367789266,
    4917634.713364664
   ]
  },
  "min_20m": {
   "gradient_pct": -18.371265218505215,
   "start_distance_m": 660.0,
   "end_distance_m": 680.0,
   "midpoint_distance_m": 670.0,
   "start_elevation_m": 162.6643065393671,
   "end_elevation_m": 158.99005349566605,
   "start_xy": [
    422044.4199313048,
    4917641.172924481
   ],
   "end_xy": [
    422059.6874244805,
    4917628.253804847
   ]
  },
  "min_25m": {
   "gradient_pct": -18.296504389927804,
   "start_distance_m": 660.0,
   "end_distance_m": 685.0,
   "midpoint_distance_m": 672.5,
   "start_elevation_m": 162.6643065393671,
   "end_elevation_m": 158.09018044188514,
   "start_xy": [
    422044.4199313048,
    4917641.172924481
   ],
   "end_xy": [
    422063.50429777446,
    4917625.024024938
   ]
  },
  "min_50m": {
   "gradient_pct": -14.638174434297923,
   "start_distance_m": 660.0,
   "end_distance_m": 710.0,
   "midpoint_distance_m": 685.0,
   "start_elevation_m": 162.6643065393671,
   "end_elevation_m": 155.34521932221813,
   "start_xy": [
    422044.4199313048,
    4917641.172924481
   ],
   "end_xy": [
    422082.58866424405,
    4917608.875125395
   ]
  },
  "min_100m": {
   "gradient_pct": -12.364766735441803,
   "start_distance_m": 659.0,
   "end_distance_m": 759.0,
   "midpoint_distance_m": 709.0,
   "start_elevation_m": 162.69832001764956,
   "end_elevation_m": 150.33355328220776,
   "start_xy": [
    422043.65655664605,
    4917641.818880463
   ],
   "end_xy": [
    422119.9940225245,
    4917577.223282291
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 51.77878774239133,
   "start_distance_m": 347.0,
   "end_distance_m": 349.0,
   "midpoint_distance_m": 348.0,
   "start_elevation_m": 131.16375923645816,
   "end_elevation_m": 132.199334991306,
   "start_xy": [
    421810.27528803033,
    4917848.691844916
   ],
   "end_xy": [
    421811.7230788533,
    4917847.3120254595
   ]
  },
  "max_3m": {
   "gradient_pct": 47.22251171577815,
   "start_distance_m": 347.0,
   "end_distance_m": 350.0,
   "midpoint_distance_m": 348.5,
   "start_elevation_m": 131.16375923645816,
   "end_elevation_m": 132.5804345879315,
   "start_xy": [
    421810.27528803033,
    4917848.691844916
   ],
   "end_xy": [
    421812.44697426475,
    4917846.622115731
   ]
  }
 },
 "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": [
   "short_window_divergence"
  ],
  "extent": [
   "descends_at_end"
  ],
  "suggested_summit_cut_m": 588.0,
  "trailing_descent_m": 16.6
 },
 "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_x42y492_ME_SouthCentral_B22.tif"
  ],
  "calculated_at": "2026-08-24T20:37:55+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/maine-2026-08-22.osm.pbf",
  "osm_snapshot": "2026-08-21T20:21:11Z",
  "run_id": "redo-me-1-260824",
  "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_SouthCentral_B22 (collected 2022)",
  "elevation_tile_ids": [
   "x42y492"
  ],
  "climb_origin": "discovered",
  "notes": "Coarse pass: max 16.5% over 200 m (Terrain 50), gain 60.6 m over 814 m way. KEPT at seed extent: no ascending continuation (min_avg=2.0%). ADOPTED (NE wave 1, 2026-08-25): clean-steep. Wales dials per PRODUCTION 'US ADOPTION DIALS'.",
  "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.html"
 },
 "area": {
  "place": "Readfield",
  "county": "Maine"
 }
}