{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (42.2007, -73.6483)",
 "slug": "discovered-lane-42-2007-73-6483",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.71112235220869,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 232.0,
   "end_distance_m": 234.0,
   "start_elevation_m": 230.34700410478672,
   "end_elevation_m": 230.8012265518309,
   "min_gradient_pct": -35.044801421587124,
   "suppressed_max_gradient_pct": 52.93677780333894,
   "suppressed_location_m": [
    47.0,
    49.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.050738949046906,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 232.0,
   "end_distance_m": 235.0,
   "start_elevation_m": 230.34700410478672,
   "end_elevation_m": 231.00852627325813,
   "min_gradient_pct": -33.44986925273664,
   "suppressed_max_gradient_pct": 49.693566584273675,
   "suppressed_location_m": [
    46.0,
    49.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.970053355360392,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 231.0,
   "end_distance_m": 236.0,
   "start_elevation_m": 230.17632137385846,
   "end_elevation_m": 231.22482404162648,
   "min_gradient_pct": -30.04366986157038,
   "suppressed_max_gradient_pct": 40.265381035941914,
   "suppressed_location_m": [
    46.0,
    51.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.02100858883938,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 212.0,
   "end_distance_m": 222.0,
   "start_elevation_m": 227.42159120755082,
   "end_elevation_m": 229.12369206643476,
   "min_gradient_pct": -24.264605816082394,
   "suppressed_max_gradient_pct": 27.991330373669143,
   "suppressed_location_m": [
    45.0,
    55.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.205751926381055,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 216.0,
   "end_distance_m": 236.0,
   "start_elevation_m": 228.18367365635027,
   "end_elevation_m": 231.22482404162648,
   "min_gradient_pct": -10.05413585295372,
   "suppressed_max_gradient_pct": 19.242940358996208,
   "suppressed_location_m": [
    197.0,
    217.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.685057104065777,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 211.0,
   "end_distance_m": 236.0,
   "start_elevation_m": 227.30355976561003,
   "end_elevation_m": 231.22482404162648,
   "min_gradient_pct": -10.027234433305694,
   "suppressed_max_gradient_pct": 20.681555963014375,
   "suppressed_location_m": [
    45.0,
    70.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 11.598552768266472,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 211.0,
   "end_distance_m": 261.0,
   "start_elevation_m": 227.30355976561003,
   "end_elevation_m": 233.10283614974327,
   "min_gradient_pct": -2.3058098227581922,
   "suppressed_max_gradient_pct": 18.11883204800688,
   "suppressed_location_m": [
    170.0,
    220.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 6.319558174493011,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 211.0,
   "end_distance_m": 311.0,
   "start_elevation_m": 227.30355976561003,
   "end_elevation_m": 233.62311794010304,
   "min_gradient_pct": 2.424489975924274,
   "suppressed_max_gradient_pct": 15.124807544080427,
   "suppressed_location_m": [
    155.0,
    255.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.447,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 91.0,
  "shape_class": "sustained"
 },
 "length_m": 352.3785001308414,
 "start_elevation_m": 208.74459518060235,
 "end_elevation_m": 234.9792178906724,
 "endpoint_gain_m": 26.234622710070056,
 "overall_gradient_pct": 7.4450123093006235,
 "accumulated_ascent_m": 31.402271809587717,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.970053355360392,
   "start_distance_m": 231.0,
   "end_distance_m": 236.0,
   "midpoint_distance_m": 233.5,
   "start_elevation_m": 230.17632137385846,
   "end_elevation_m": 231.22482404162648,
   "start_xy": [
    611621.8451899599,
    4672939.199407522
   ],
   "end_xy": [
    611625.6913327662,
    4672942.39427572
   ]
  },
  "max_10m": {
   "gradient_pct": 17.02100858883938,
   "start_distance_m": 212.0,
   "end_distance_m": 222.0,
   "midpoint_distance_m": 217.0,
   "start_elevation_m": 227.42159120755082,
   "end_elevation_m": 229.12369206643476,
   "start_xy": [
    611603.977777175,
    4672940.5167792905
   ],
   "end_xy": [
    611613.70968838,
    4672938.21680028
   ]
  },
  "max_20m": {
   "gradient_pct": 15.205751926381055,
   "start_distance_m": 216.0,
   "end_distance_m": 236.0,
   "midpoint_distance_m": 226.0,
   "start_elevation_m": 228.18367365635027,
   "end_elevation_m": 231.22482404162648,
   "start_xy": [
    611607.8705522359,
    4672939.596832463
   ],
   "end_xy": [
    611625.6913327662,
    4672942.39427572
   ]
  },
  "max_25m": {
   "gradient_pct": 15.685057104065777,
   "start_distance_m": 211.0,
   "end_distance_m": 236.0,
   "midpoint_distance_m": 223.5,
   "start_elevation_m": 227.30355976561003,
   "end_elevation_m": 231.22482404162648,
   "start_xy": [
    611603.0045966331,
    4672940.746821967
   ],
   "end_xy": [
    611625.6913327662,
    4672942.39427572
   ]
  },
  "max_50m": {
   "gradient_pct": 11.598552768266472,
   "start_distance_m": 211.0,
   "end_distance_m": 261.0,
   "midpoint_distance_m": 236.0,
   "start_elevation_m": 227.30355976561003,
   "end_elevation_m": 233.10283614974327,
   "start_xy": [
    611603.0045966331,
    4672940.746821967
   ],
   "end_xy": [
    611636.8768602405,
    4672963.397869847
   ]
  },
  "max_100m": {
   "gradient_pct": 6.319558174493011,
   "start_distance_m": 211.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 261.0,
   "start_elevation_m": 227.30355976561003,
   "end_elevation_m": 233.62311794010304,
   "start_xy": [
    611603.0045966331,
    4672940.746821967
   ],
   "end_xy": [
    611637.3581003601,
    4673013.311939983
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -30.04366986157038,
   "start_distance_m": 34.0,
   "end_distance_m": 39.0,
   "midpoint_distance_m": 36.5,
   "start_elevation_m": 207.8874482664279,
   "end_elevation_m": 206.38526477334938,
   "start_xy": [
    611441.3449112949,
    4673001.269498534
   ],
   "end_xy": [
    611446.3197496121,
    4673001.770477347
   ]
  },
  "min_10m": {
   "gradient_pct": -24.264605816082394,
   "start_distance_m": 33.0,
   "end_distance_m": 43.0,
   "midpoint_distance_m": 38.0,
   "start_elevation_m": 208.01779143461022,
   "end_elevation_m": 205.59133085300198,
   "start_xy": [
    611440.3499242257,
    4673001.169494897
   ],
   "end_xy": [
    611450.2996998631,
    4673002.170472348
   ]
  },
  "min_20m": {
   "gradient_pct": -10.05413585295372,
   "start_distance_m": 6.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 16.0,
   "start_elevation_m": 208.98167005463654,
   "end_elevation_m": 206.9708428840458,
   "start_xy": [
    611413.4790932663,
    4672999.157991001
   ],
   "end_xy": [
    611433.3850112866,
    4673000.469503647
   ]
  },
  "min_25m": {
   "gradient_pct": -10.027234433305694,
   "start_distance_m": 18.0,
   "end_distance_m": 43.0,
   "midpoint_distance_m": 30.5,
   "start_elevation_m": 208.0981394613284,
   "end_elevation_m": 205.59133085300198,
   "start_xy": [
    611425.4251107847,
    4672999.6695136465
   ],
   "end_xy": [
    611450.2996998631,
    4673002.170472348
   ]
  },
  "min_50m": {
   "gradient_pct": -2.3058098227581922,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 208.74459518060235,
   "end_elevation_m": 207.59169026922325,
   "start_xy": [
    611407.507,
    4672999.736
   ],
   "end_xy": [
    611457.2367786639,
    4673002.5151205575
   ]
  },
  "min_100m": {
   "gradient_pct": 2.424489975924274,
   "start_distance_m": 252.0,
   "end_distance_m": 352.0,
   "midpoint_distance_m": 302.0,
   "start_elevation_m": 232.5646219620481,
   "end_elevation_m": 234.98911193797238,
   "start_xy": [
    611634.7485736627,
    4672954.653135705
   ],
   "end_xy": [
    611646.821562548,
    4673053.075256521
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.71112235220869,
   "start_distance_m": 232.0,
   "end_distance_m": 234.0,
   "midpoint_distance_m": 233.0,
   "start_elevation_m": 230.34700410478672,
   "end_elevation_m": 230.8012265518309,
   "start_xy": [
    611622.61431226,
    4672939.838509147
   ],
   "end_xy": [
    611624.1529651541,
    4672941.11622072
   ]
  },
  "max_3m": {
   "gradient_pct": 22.050738949046906,
   "start_distance_m": 232.0,
   "end_distance_m": 235.0,
   "midpoint_distance_m": 233.5,
   "start_elevation_m": 230.34700410478672,
   "end_elevation_m": 231.00852627325813,
   "start_xy": [
    611622.61431226,
    4672939.838509147
   ],
   "end_xy": [
    611624.9220874546,
    4672941.755322345
   ]
  }
 },
 "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": 0.116,
   "windows_resited": [
    20.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.201,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 45.0,
     "end_m": 70.0,
     "raw_pct": 20.68,
     "reason": "staircase"
    },
    {
     "window_m": 5.0,
     "start_m": 46.0,
     "end_m": 51.0,
     "raw_pct": 40.27,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.492,
   "obstruction_max_height_m": 22.55,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    43.0,
    72.0
   ],
   [
    170.0,
    210.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_start"
  ]
 },
 "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_x61y468_NY_Hudson_D22.tif"
  ],
  "calculated_at": "2026-09-11T22:58:54+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-us-ny/batch-usa-rchunk02.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, NY_Hudson_D22 (collected 2022)",
  "elevation_tile_ids": [
   "x61y468"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NY_Hudson_1_D22",
   "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": "Claverack",
  "county": "New York"
 }
}