{
 "ocl_version": "0.1.0",
 "name": "Treulyfine Way",
 "slug": "treulyfine-way",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.483684592330064,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 655.0,
   "end_distance_m": 657.0,
   "start_elevation_m": 208.4961182546878,
   "end_elevation_m": 209.1457919465344,
   "min_gradient_pct": -6.691866837358873
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.902939601420144,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 654.0,
   "end_distance_m": 657.0,
   "start_elevation_m": 208.18870375849178,
   "end_elevation_m": 209.1457919465344,
   "min_gradient_pct": -6.300651049405322
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 31.52221773280303,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 653.0,
   "end_distance_m": 658.0,
   "start_elevation_m": 207.8718185929908,
   "end_elevation_m": 209.44792947963094,
   "min_gradient_pct": -5.769326810559505
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 30.369434954909025,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 653.0,
   "end_distance_m": 663.0,
   "start_elevation_m": 207.8718185929908,
   "end_elevation_m": 210.9087620884817,
   "min_gradient_pct": -4.520101980450022
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 28.79452395335136,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 643.0,
   "end_distance_m": 663.0,
   "start_elevation_m": 205.14985729781142,
   "end_elevation_m": 210.9087620884817,
   "min_gradient_pct": 0.21267032702525057
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 27.957222042288663,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 640.0,
   "end_distance_m": 665.0,
   "start_elevation_m": 204.41980982483312,
   "end_elevation_m": 211.4091153354053,
   "min_gradient_pct": 0.8374522660473076
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.684409714668732,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 622.0,
   "end_distance_m": 672.0,
   "start_elevation_m": 200.74664497841823,
   "end_elevation_m": 213.0888498357526,
   "min_gradient_pct": 2.871519769660381
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.099327130489513,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 572.0,
   "end_distance_m": 672.0,
   "start_elevation_m": 191.98952270526308,
   "end_elevation_m": 213.0888498357526,
   "min_gradient_pct": 4.176982808593863
  }
 ],
 "shape": {
  "ascent_concentration": 0.431,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 167.0,
  "shape_class": "sustained"
 },
 "length_m": 672.7812654412959,
 "start_elevation_m": 139.93042657928942,
 "end_elevation_m": 213.2831858608803,
 "endpoint_gain_m": 73.35275928159089,
 "overall_gradient_pct": 10.902913480130392,
 "accumulated_ascent_m": 73.96941000147467,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 31.52221773280303,
   "start_distance_m": 653.0,
   "end_distance_m": 658.0,
   "midpoint_distance_m": 655.5,
   "start_elevation_m": 207.8718185929908,
   "end_elevation_m": 209.44792947963094,
   "start_xy": [
    531917.3347082123,
    4943065.94309478
   ],
   "end_xy": [
    531914.0910562199,
    4943069.748186336
   ]
  },
  "max_10m": {
   "gradient_pct": 30.369434954909025,
   "start_distance_m": 653.0,
   "end_distance_m": 663.0,
   "midpoint_distance_m": 658.0,
   "start_elevation_m": 207.8718185929908,
   "end_elevation_m": 210.9087620884817,
   "start_xy": [
    531917.3347082123,
    4943065.94309478
   ],
   "end_xy": [
    531910.8474042275,
    4943073.553277892
   ]
  },
  "max_20m": {
   "gradient_pct": 28.79452395335136,
   "start_distance_m": 643.0,
   "end_distance_m": 663.0,
   "midpoint_distance_m": 653.0,
   "start_elevation_m": 205.14985729781142,
   "end_elevation_m": 210.9087620884817,
   "start_xy": [
    531923.8220121972,
    4943058.332911667
   ],
   "end_xy": [
    531910.8474042275,
    4943073.553277892
   ]
  },
  "max_25m": {
   "gradient_pct": 27.957222042288663,
   "start_distance_m": 640.0,
   "end_distance_m": 665.0,
   "midpoint_distance_m": 652.5,
   "start_elevation_m": 204.41980982483312,
   "end_elevation_m": 211.4091153354053,
   "start_xy": [
    531925.7682033926,
    4943056.0498567335
   ],
   "end_xy": [
    531909.5499434305,
    4943075.075314515
   ]
  },
  "max_50m": {
   "gradient_pct": 24.684409714668732,
   "start_distance_m": 622.0,
   "end_distance_m": 672.0,
   "midpoint_distance_m": 647.0,
   "start_elevation_m": 200.74664497841823,
   "end_elevation_m": 213.0888498357526,
   "start_xy": [
    531937.4453505655,
    4943042.35152713
   ],
   "end_xy": [
    531905.008830641,
    4943080.402442694
   ]
  },
  "max_100m": {
   "gradient_pct": 21.099327130489513,
   "start_distance_m": 572.0,
   "end_distance_m": 672.0,
   "midpoint_distance_m": 622.0,
   "start_elevation_m": 191.98952270526308,
   "end_elevation_m": 213.0888498357526,
   "start_xy": [
    531957.4300625238,
    4942996.894974016
   ],
   "end_xy": [
    531905.008830641,
    4943080.402442694
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.769326810559505,
   "start_distance_m": 2.0,
   "end_distance_m": 7.0,
   "midpoint_distance_m": 4.5,
   "start_elevation_m": 139.8699801741037,
   "end_elevation_m": 139.5815138335757,
   "start_xy": [
    532298.5265841349,
    4942792.849373209
   ],
   "end_xy": [
    532293.5705444724,
    4942792.187806234
   ]
  },
  "min_10m": {
   "gradient_pct": -4.520101980450022,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 139.93042657928942,
   "end_elevation_m": 139.47841638124441,
   "start_xy": [
    532300.509,
    4942793.114
   ],
   "end_xy": [
    532290.5969206749,
    4942791.790866048
   ]
  },
  "min_20m": {
   "gradient_pct": 0.21267032702525057,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 139.93042657928942,
   "end_elevation_m": 139.97296064469447,
   "start_xy": [
    532300.509,
    4942793.114
   ],
   "end_xy": [
    532280.68484135,
    4942790.467732096
   ]
  },
  "min_25m": {
   "gradient_pct": 0.8374522660473076,
   "start_distance_m": 473.0,
   "end_distance_m": 498.0,
   "midpoint_distance_m": 485.5,
   "start_elevation_m": 180.86663446100553,
   "end_elevation_m": 181.07599752751736,
   "start_xy": [
    531960.2969032287,
    4942903.91973526
   ],
   "end_xy": [
    531972.9185282238,
    4942925.49969315
   ]
  },
  "min_50m": {
   "gradient_pct": 2.871519769660381,
   "start_distance_m": 458.0,
   "end_distance_m": 508.0,
   "midpoint_distance_m": 483.0,
   "start_elevation_m": 180.0205565099877,
   "end_elevation_m": 181.4563163948179,
   "start_xy": [
    531956.6718125206,
    4942889.6265477035
   ],
   "end_xy": [
    531972.6011427857,
    4942935.295208748
   ]
  },
  "min_100m": {
   "gradient_pct": 4.176982808593863,
   "start_distance_m": 409.0,
   "end_distance_m": 509.0,
   "midpoint_distance_m": 459.0,
   "start_elevation_m": 177.34294734024672,
   "end_elevation_m": 181.5199301488406,
   "start_xy": [
    531957.0960061589,
    4942841.281969592
   ],
   "end_xy": [
    531972.4991495141,
    4942936.289993837
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.483684592330064,
   "start_distance_m": 655.0,
   "end_distance_m": 657.0,
   "midpoint_distance_m": 656.0,
   "start_elevation_m": 208.4961182546878,
   "end_elevation_m": 209.1457919465344,
   "start_xy": [
    531916.0372474154,
    4943067.465131402
   ],
   "end_xy": [
    531914.7397866184,
    4943068.987168024
   ]
  },
  "max_3m": {
   "gradient_pct": 31.902939601420144,
   "start_distance_m": 654.0,
   "end_distance_m": 657.0,
   "midpoint_distance_m": 655.5,
   "start_elevation_m": 208.18870375849178,
   "end_elevation_m": 209.1457919465344,
   "start_xy": [
    531916.6859778138,
    4943066.704113091
   ],
   "end_xy": [
    531914.7397866184,
    4943068.987168024
   ]
  }
 },
 "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_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_x53y495_ME_MidCentral_B23.tif"
  ],
  "calculated_at": "2026-08-24T20:39:17+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_MidCentral_B23 (collected 2023)",
  "elevation_tile_ids": [
   "x53y495"
  ],
  "climb_origin": "discovered",
  "notes": "Coarse pass: max 16.0% over 200 m (Terrain 50), gain 43.0 m over 341 m way. EXTENDED by graph walk: +1 segment(s) at base, +0 at top (stop: base=no_descending_continuation, top=no_ascending_continuation; min_avg=2.0%). Review before adopting. ADOPTED (NE wave 1, 2026-08-25): clean-steep,qualified-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": "Ellsworth",
  "county": "Maine"
 }
}