{
 "ocl_version": "0.1.0",
 "name": "Timbercliffe Drive",
 "slug": "timbercliffe-drive",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.29502420716773,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1437.0,
   "end_distance_m": 1439.0,
   "start_elevation_m": 131.65440507835015,
   "end_elevation_m": 132.4403055624935,
   "min_gradient_pct": -19.802782472257263
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.25376462851659,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1437.0,
   "end_distance_m": 1440.0,
   "start_elevation_m": 131.65440507835015,
   "end_elevation_m": 132.68201801720565,
   "min_gradient_pct": -16.662302950549208
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.14045769177767,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1437.0,
   "end_distance_m": 1442.0,
   "start_elevation_m": 131.65440507835015,
   "end_elevation_m": 133.06142796293904,
   "min_gradient_pct": -13.110047661571969
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.85280857369412,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1483.0,
   "end_distance_m": 1493.0,
   "start_elevation_m": 140.05061001992536,
   "end_elevation_m": 142.63589087729477,
   "min_gradient_pct": -6.62542101277495
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.140524591526287,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1483.0,
   "end_distance_m": 1503.0,
   "start_elevation_m": 140.05061001992536,
   "end_elevation_m": 144.87871493823062,
   "min_gradient_pct": -6.411065730567884,
   "suppressed_max_gradient_pct": 24.958725661783774,
   "suppressed_location_m": [
    1470.0,
    1490.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.373211910963846,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 1209.0,
   "end_distance_m": 1234.0,
   "start_elevation_m": 91.52998222894226,
   "end_elevation_m": 97.37328520668322,
   "min_gradient_pct": -5.894329348479459,
   "suppressed_max_gradient_pct": 24.616269962609977,
   "suppressed_location_m": [
    1470.0,
    1495.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.757482201008344,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1204.0,
   "end_distance_m": 1254.0,
   "start_elevation_m": 90.44336227609938,
   "end_elevation_m": 101.32210337660355,
   "min_gradient_pct": -3.678616586527909
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.1648365577133,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1177.0,
   "end_distance_m": 1277.0,
   "start_elevation_m": 86.3871180242493,
   "end_elevation_m": 104.5519545819626,
   "min_gradient_pct": -2.2298235630867254,
   "suppressed_max_gradient_pct": 20.063408657476913,
   "suppressed_location_m": [
    1405.0,
    1505.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.577,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 124.0,
  "shape_class": "stepped"
 },
 "length_m": 1575.3135982969818,
 "start_elevation_m": 41.05002071094188,
 "end_elevation_m": 146.713202313836,
 "endpoint_gain_m": 105.66318160289413,
 "overall_gradient_pct": 6.707437916940666,
 "accumulated_ascent_m": 112.56884902157397,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.14045769177767,
   "start_distance_m": 1437.0,
   "end_distance_m": 1442.0,
   "midpoint_distance_m": 1439.5,
   "start_elevation_m": 131.65440507835015,
   "end_elevation_m": 133.06142796293904,
   "start_xy": [
    494900.3001894025,
    4896710.111833945
   ],
   "end_xy": [
    494899.7485022302,
    4896715.081304353
   ]
  },
  "max_10m": {
   "gradient_pct": 25.85280857369412,
   "start_distance_m": 1483.0,
   "end_distance_m": 1493.0,
   "midpoint_distance_m": 1488.0,
   "start_elevation_m": 140.05061001992536,
   "end_elevation_m": 142.63589087729477,
   "start_xy": [
    494886.2619750071,
    4896750.457206546
   ],
   "end_xy": [
    494877.93808973033,
    4896755.999130155
   ]
  },
  "max_20m": {
   "gradient_pct": 24.140524591526287,
   "start_distance_m": 1483.0,
   "end_distance_m": 1503.0,
   "midpoint_distance_m": 1493.0,
   "start_elevation_m": 140.05061001992536,
   "end_elevation_m": 144.87871493823062,
   "start_xy": [
    494886.2619750071,
    4896750.457206546
   ],
   "end_xy": [
    494869.6137432247,
    4896761.540360882
   ]
  },
  "max_25m": {
   "gradient_pct": 23.373211910963846,
   "start_distance_m": 1209.0,
   "end_distance_m": 1234.0,
   "midpoint_distance_m": 1221.5,
   "start_elevation_m": 91.52998222894226,
   "end_elevation_m": 97.37328520668322,
   "start_xy": [
    494919.78542162036,
    4896503.7708564615
   ],
   "end_xy": [
    494897.1025064223,
    4896509.572689953
   ]
  },
  "max_50m": {
   "gradient_pct": 21.757482201008344,
   "start_distance_m": 1204.0,
   "end_distance_m": 1254.0,
   "midpoint_distance_m": 1229.0,
   "start_elevation_m": 90.44336227609938,
   "end_elevation_m": 101.32210337660355,
   "start_xy": [
    494924.555716538,
    4896505.268948894
   ],
   "end_xy": [
    494892.8302552439,
    4896528.557922667
   ]
  },
  "max_100m": {
   "gradient_pct": 18.1648365577133,
   "start_distance_m": 1177.0,
   "end_distance_m": 1277.0,
   "midpoint_distance_m": 1227.0,
   "start_elevation_m": 86.3871180242493,
   "end_elevation_m": 104.5519545819626,
   "start_xy": [
    494950.9594032703,
    4896506.876757414
   ],
   "end_xy": [
    494895.9541719238,
    4896551.343521682
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.110047661571969,
   "start_distance_m": 860.0,
   "end_distance_m": 865.0,
   "midpoint_distance_m": 862.5,
   "start_elevation_m": 76.65203868554158,
   "end_elevation_m": 75.99653630246299,
   "start_xy": [
    495167.4701224804,
    4896313.714752426
   ],
   "end_xy": [
    495162.86690844817,
    4896315.666781439
   ]
  },
  "min_10m": {
   "gradient_pct": -6.62542101277495,
   "start_distance_m": 1553.0,
   "end_distance_m": 1563.0,
   "midpoint_distance_m": 1558.0,
   "start_elevation_m": 148.10019847733537,
   "end_elevation_m": 147.43765637605787,
   "start_xy": [
    494838.62557841017,
    4896733.690511967
   ],
   "end_xy": [
    494837.04356749315,
    4896723.81644377
   ]
  },
  "min_20m": {
   "gradient_pct": -6.411065730567884,
   "start_distance_m": 1553.0,
   "end_distance_m": 1573.0,
   "midpoint_distance_m": 1563.0,
   "start_elevation_m": 148.10019847733537,
   "end_elevation_m": 146.8179853312218,
   "start_xy": [
    494838.62557841017,
    4896733.690511967
   ],
   "end_xy": [
    494835.4615565761,
    4896713.942375573
   ]
  },
  "min_25m": {
   "gradient_pct": -5.894329348479459,
   "start_distance_m": 1550.0,
   "end_distance_m": 1575.0,
   "midpoint_distance_m": 1562.5,
   "start_elevation_m": 148.19797994616562,
   "end_elevation_m": 146.72439760904575,
   "start_xy": [
    494839.09979684924,
    4896736.652794259
   ],
   "end_xy": [
    494835.144801777,
    4896711.967618578
   ]
  },
  "min_50m": {
   "gradient_pct": -3.678616586527909,
   "start_distance_m": 1024.0,
   "end_distance_m": 1074.0,
   "midpoint_distance_m": 1049.0,
   "start_elevation_m": 81.83967213426658,
   "end_elevation_m": 80.00036384100262,
   "start_xy": [
    495082.6518629734,
    4896430.9269937165
   ],
   "end_xy": [
    495040.8098442288,
    4896457.816899779
   ]
  },
  "min_100m": {
   "gradient_pct": -2.2298235630867254,
   "start_distance_m": 979.0,
   "end_distance_m": 1079.0,
   "midpoint_distance_m": 1029.0,
   "start_elevation_m": 82.13727755006448,
   "end_elevation_m": 79.90745398697776,
   "start_xy": [
    495104.96829900367,
    4896393.183730251
   ],
   "end_xy": [
    495036.2237152903,
    4896459.808736439
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.29502420716773,
   "start_distance_m": 1437.0,
   "end_distance_m": 1439.0,
   "midpoint_distance_m": 1438.0,
   "start_elevation_m": 131.65440507835015,
   "end_elevation_m": 132.4403055624935,
   "start_xy": [
    494900.3001894025,
    4896710.111833945
   ],
   "end_xy": [
    494900.07946732925,
    4896712.09961689
   ]
  },
  "max_3m": {
   "gradient_pct": 34.25376462851659,
   "start_distance_m": 1437.0,
   "end_distance_m": 1440.0,
   "midpoint_distance_m": 1438.5,
   "start_elevation_m": 131.65440507835015,
   "end_elevation_m": 132.68201801720565,
   "start_xy": [
    494900.3001894025,
    4896710.111833945
   ],
   "end_xy": [
    494899.96911466843,
    4896713.093509269
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.046,
   "windows_resited": [
    20.0,
    25.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.516,
   "obstruction_max_height_m": 29.4,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    1330.0,
    1370.0
   ],
   [
    1450.0,
    1480.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_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_x49y490_ME_MidCoast_2021_B21.tif"
  ],
  "calculated_at": "2026-09-03T08:51:08+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/timbercliffe-drive/timbercliffe-drive.geojson",
  "run_id": "canopy-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_MidCoast_2021_B21 (collected 2021)",
  "elevation_tile_ids": [
   "x49y490"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/ME_MidCoast_2_2021",
   "ept_crs": "EPSG:3857",
   "station_coverage": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Camden",
  "county": "Maine"
 }
}