{
 "ocl_version": "0.1.0",
 "name": "Treadlemire Road",
 "slug": "treadlemire-road-3",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.919431159041096,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 797.0,
   "end_distance_m": 799.0,
   "start_elevation_m": 278.1609205849373,
   "end_elevation_m": 278.6993092081181,
   "min_gradient_pct": -10.247072184827744,
   "suppressed_max_gradient_pct": 59.484584686640574,
   "suppressed_location_m": [
    3.0,
    5.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.131873325044733,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 796.0,
   "end_distance_m": 799.0,
   "start_elevation_m": 277.97535300836677,
   "end_elevation_m": 278.6993092081181,
   "min_gradient_pct": -9.559221074213534,
   "suppressed_max_gradient_pct": 59.149533206954175,
   "suppressed_location_m": [
    2.0,
    5.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 19.450796171391858,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 3041.0,
   "end_distance_m": 3046.0,
   "start_elevation_m": 365.49485966063236,
   "end_elevation_m": 366.46739946920195,
   "min_gradient_pct": -9.052704347523104,
   "suppressed_max_gradient_pct": 58.784746575365716,
   "suppressed_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.257806193995634,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 3040.0,
   "end_distance_m": 3050.0,
   "start_elevation_m": 365.3737880575043,
   "end_elevation_m": 366.9995686769039,
   "min_gradient_pct": -8.645954939928515,
   "suppressed_max_gradient_pct": 42.008770028703566,
   "suppressed_location_m": [
    0.0,
    10.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.308478562767505,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1653.0,
   "end_distance_m": 1673.0,
   "start_elevation_m": 316.9331573904574,
   "end_elevation_m": 319.9948531030109,
   "min_gradient_pct": -7.575425195272487,
   "suppressed_max_gradient_pct": 24.85595157421386,
   "suppressed_location_m": [
    0.0,
    20.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.34268056095425,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1649.0,
   "end_distance_m": 1674.0,
   "start_elevation_m": 316.30955340306787,
   "end_elevation_m": 320.14522354330643,
   "min_gradient_pct": -7.3761153727161854,
   "suppressed_max_gradient_pct": 21.676512543004492,
   "suppressed_location_m": [
    0.0,
    25.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.72453046638475,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1635.0,
   "end_distance_m": 1685.0,
   "start_elevation_m": 314.35507331226654,
   "end_elevation_m": 321.7173385454589,
   "min_gradient_pct": -5.378592745543756,
   "suppressed_max_gradient_pct": 18.09160321979948,
   "suppressed_location_m": [
    3055.0,
    3105.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.820036912261799,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1598.0,
   "end_distance_m": 1698.0,
   "start_elevation_m": 309.646624278483,
   "end_elevation_m": 323.4666611907448,
   "min_gradient_pct": -2.3324348025930703
  }
 ],
 "shape": {
  "ascent_concentration": 0.35,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 205.0,
  "shape_class": "sustained"
 },
 "length_m": 3768.0661708839957,
 "start_elevation_m": 217.1608131562861,
 "end_elevation_m": 395.60687235100755,
 "endpoint_gain_m": 178.44605919472144,
 "overall_gradient_pct": 4.73574643071774,
 "accumulated_ascent_m": 192.16490888312094,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 19.450796171391858,
   "start_distance_m": 3041.0,
   "end_distance_m": 3046.0,
   "midpoint_distance_m": 3043.5,
   "start_elevation_m": 365.49485966063236,
   "end_elevation_m": 366.46739946920195,
   "start_xy": [
    562354.021896528,
    4721434.846130107
   ],
   "end_xy": [
    562351.4978174926,
    4721430.529995042
   ]
  },
  "max_10m": {
   "gradient_pct": 16.257806193995634,
   "start_distance_m": 3040.0,
   "end_distance_m": 3050.0,
   "midpoint_distance_m": 3045.0,
   "start_elevation_m": 365.3737880575043,
   "end_elevation_m": 366.9995686769039,
   "start_xy": [
    562354.5269485511,
    4721435.709219009
   ],
   "end_xy": [
    562349.4780453697,
    4721427.0773844635
   ]
  },
  "max_20m": {
   "gradient_pct": 15.308478562767505,
   "start_distance_m": 1653.0,
   "end_distance_m": 1673.0,
   "midpoint_distance_m": 1663.0,
   "start_elevation_m": 316.9331573904574,
   "end_elevation_m": 319.9948531030109,
   "start_xy": [
    563323.9304914202,
    4722095.54300844
   ],
   "end_xy": [
    563328.3524961111,
    4722076.037987745
   ]
  },
  "max_25m": {
   "gradient_pct": 15.34268056095425,
   "start_distance_m": 1649.0,
   "end_distance_m": 1674.0,
   "midpoint_distance_m": 1661.5,
   "start_elevation_m": 316.30955340306787,
   "end_elevation_m": 320.14522354330643,
   "start_xy": [
    563323.0464708933,
    4722099.444099001
   ],
   "end_xy": [
    563328.5735195153,
    4722075.0627192445
   ]
  },
  "max_50m": {
   "gradient_pct": 14.72453046638475,
   "start_distance_m": 1635.0,
   "end_distance_m": 1685.0,
   "midpoint_distance_m": 1660.0,
   "start_elevation_m": 314.35507331226654,
   "end_elevation_m": 321.7173385454589,
   "start_xy": [
    563319.9515201438,
    4722113.097716469
   ],
   "end_xy": [
    563329.6655500736,
    4722064.127216996
   ]
  },
  "max_100m": {
   "gradient_pct": 13.820036912261799,
   "start_distance_m": 1598.0,
   "end_distance_m": 1698.0,
   "midpoint_distance_m": 1648.0,
   "start_elevation_m": 309.646624278483,
   "end_elevation_m": 323.4666611907448,
   "start_xy": [
    563310.5087419882,
    4722148.864640847
   ],
   "end_xy": [
    563330.6875058083,
    4722051.170300539
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.052704347523104,
   "start_distance_m": 3151.0,
   "end_distance_m": 3156.0,
   "midpoint_distance_m": 3153.5,
   "start_elevation_m": 376.4437256888753,
   "end_elevation_m": 375.99109047149915,
   "start_xy": [
    562298.4313274303,
    4721339.926819024
   ],
   "end_xy": [
    562295.8952655849,
    4721335.617713874
   ]
  },
  "min_10m": {
   "gradient_pct": -8.645954939928515,
   "start_distance_m": 3149.0,
   "end_distance_m": 3159.0,
   "midpoint_distance_m": 3154.0,
   "start_elevation_m": 376.61422378898806,
   "end_elevation_m": 375.7496282949952,
   "start_xy": [
    562299.4452802829,
    4721341.650738863
   ],
   "end_xy": [
    562294.3741718525,
    4721333.031930897
   ]
  },
  "min_20m": {
   "gradient_pct": -7.575425195272487,
   "start_distance_m": 3139.0,
   "end_distance_m": 3159.0,
   "midpoint_distance_m": 3149.0,
   "start_elevation_m": 377.2647133340497,
   "end_elevation_m": 375.7496282949952,
   "start_xy": [
    562304.5166873125,
    4721350.269370991
   ],
   "end_xy": [
    562294.3741718525,
    4721333.031930897
   ]
  },
  "min_25m": {
   "gradient_pct": -7.3761153727161854,
   "start_distance_m": 3137.0,
   "end_distance_m": 3162.0,
   "midpoint_distance_m": 3149.5,
   "start_elevation_m": 377.4067618796263,
   "end_elevation_m": 375.56273303644724,
   "start_xy": [
    562305.5311923898,
    4721351.992965775
   ],
   "end_xy": [
    562292.8526903711,
    4721330.44637618
   ]
  },
  "min_50m": {
   "gradient_pct": -5.378592745543756,
   "start_distance_m": 3123.0,
   "end_distance_m": 3173.0,
   "midpoint_distance_m": 3148.0,
   "start_elevation_m": 377.7083981809914,
   "end_elevation_m": 375.01910180821955,
   "start_xy": [
    562312.6170240113,
    4721364.067347964
   ],
   "end_xy": [
    562286.6524305538,
    4721321.774714771
   ]
  },
  "min_100m": {
   "gradient_pct": -2.3324348025930703,
   "start_distance_m": 2737.0,
   "end_distance_m": 2837.0,
   "midpoint_distance_m": 2787.0,
   "start_elevation_m": 363.1254096266922,
   "end_elevation_m": 360.79297482409913,
   "start_xy": [
    562543.2771443264,
    4721668.0271091
   ],
   "end_xy": [
    562467.8487404006,
    4721602.405283667
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.919431159041096,
   "start_distance_m": 797.0,
   "end_distance_m": 799.0,
   "midpoint_distance_m": 798.0,
   "start_elevation_m": 278.1609205849373,
   "end_elevation_m": 278.6993092081181,
   "start_xy": [
    563209.2368107919,
    4722925.319505509
   ],
   "end_xy": [
    563209.5978129077,
    4722923.352356104
   ]
  },
  "max_3m": {
   "gradient_pct": 24.131873325044733,
   "start_distance_m": 796.0,
   "end_distance_m": 799.0,
   "midpoint_distance_m": 797.5,
   "start_elevation_m": 277.97535300836677,
   "end_elevation_m": 278.6993092081181,
   "start_xy": [
    563209.0560115704,
    4722926.303025496
   ],
   "end_xy": [
    563209.5978129077,
    4722923.352356104
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.026,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 4,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 0.0,
     "end_m": 25.0,
     "raw_pct": 21.68,
     "reason": "staircase+edge-step"
    },
    {
     "window_m": 20.0,
     "start_m": 0.0,
     "end_m": 20.0,
     "raw_pct": 24.86,
     "reason": "staircase+edge-step"
    },
    {
     "window_m": 10.0,
     "start_m": 0.0,
     "end_m": 10.0,
     "raw_pct": 42.01,
     "reason": "short-step"
    },
    {
     "window_m": 25.0,
     "start_m": 3055.0,
     "end_m": 3080.0,
     "raw_pct": 19.55,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 3054.0,
     "end_m": 3074.0,
     "raw_pct": 20.47,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 3083.0,
     "end_m": 3108.0,
     "raw_pct": 15.4,
     "reason": "mask-edge"
    },
    {
     "window_m": 20.0,
     "start_m": 3086.0,
     "end_m": 3106.0,
     "raw_pct": 16.95,
     "reason": "mask-edge"
    },
    {
     "window_m": 5.0,
     "start_m": 809.0,
     "end_m": 814.0,
     "raw_pct": 20.89,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.141,
   "obstruction_max_height_m": 26.43,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    27.0
   ],
   [
    807.0,
    816.0
   ],
   [
    3052.0,
    3110.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ny/USGS_1M_18_x56y473_Schoharie_Creek_Watershed_Expansion_QL2_LiDAR.tif"
  ],
  "calculated_at": "2026-09-11T22:59:05+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-us-ny/batch-usa-rchunk05.pbf",
  "osm_snapshot": "",
  "run_id": "texture-us-ny-260911",
  "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, Schoharie_Creek_Watershed_Expansion_QL2_LiDAR (collected unknown (published 2026-06))",
  "elevation_tile_ids": [
   "x56y473"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/USGS_LPC_NY_Schoharie_2014_LAS_2016",
   "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"
 },
 "area": {
  "place": "Wright",
  "county": "New York"
 }
}