{
 "ocl_version": "0.1.0",
 "name": "Hancock Place",
 "slug": "hancock-place",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 27.773180412289378,
   "diagnostic": true,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 577.0,
   "end_distance_m": 579.0,
   "start_elevation_m": 120.74715070161564,
   "end_elevation_m": 121.30261430986143,
   "min_gradient_pct": -24.75220761845449,
   "suppressed_max_gradient_pct": 43.1466737432892,
   "suppressed_location_m": [
    444.0,
    446.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.372019412702212,
   "diagnostic": true,
   "flags": [
    "no_bench_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 577.0,
   "end_distance_m": 580.0,
   "start_elevation_m": 120.74715070161564,
   "end_elevation_m": 121.5083112839967,
   "min_gradient_pct": -20.712424229427977,
   "suppressed_max_gradient_pct": 37.58857291291141,
   "suppressed_location_m": [
    443.0,
    446.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.67464005938467,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 574.0,
   "end_distance_m": 579.0,
   "start_elevation_m": 120.06888230689219,
   "end_elevation_m": 121.30261430986143,
   "min_gradient_pct": -15.301328978748643,
   "suppressed_max_gradient_pct": 26.993840013743693,
   "suppressed_location_m": [
    442.0,
    447.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.28832265944297,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 572.0,
   "end_distance_m": 582.0,
   "start_elevation_m": 119.72646947369817,
   "end_elevation_m": 121.85530173964247,
   "min_gradient_pct": -8.712474982654186,
   "suppressed_max_gradient_pct": 23.841600550812956,
   "suppressed_location_m": [
    543.0,
    553.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.10473538465257,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 46.0,
   "end_distance_m": 66.0,
   "start_elevation_m": 85.3182546536878,
   "end_elevation_m": 88.53920173061832,
   "min_gradient_pct": -6.168996205055706,
   "suppressed_max_gradient_pct": 21.787938815015977,
   "suppressed_location_m": [
    543.0,
    563.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.268211666660875,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 42.0,
   "end_distance_m": 67.0,
   "start_elevation_m": 84.84545021787989,
   "end_elevation_m": 88.6625031345451,
   "min_gradient_pct": -4.7195983387486535,
   "suppressed_max_gradient_pct": 21.718383659965752,
   "suppressed_location_m": [
    544.0,
    569.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 12.598660014145166,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 18.0,
   "end_distance_m": 68.0,
   "start_elevation_m": 82.47549259551269,
   "end_elevation_m": 88.77482260258527,
   "min_gradient_pct": -2.0281328220710293,
   "suppressed_max_gradient_pct": 18.57251304529035,
   "suppressed_location_m": [
    532.0,
    582.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 9.990550084287804,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 6.0,
   "end_distance_m": 106.0,
   "start_elevation_m": 81.34018600349194,
   "end_elevation_m": 91.33073608777974,
   "min_gradient_pct": 1.104712805430836,
   "suppressed_max_gradient_pct": 12.58729711184337,
   "suppressed_location_m": [
    482.0,
    582.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.334,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 48.0,
  "shape_class": "sustained"
 },
 "length_m": 582.6379087040671,
 "start_elevation_m": 81.42480795468808,
 "end_elevation_m": 121.99738630118858,
 "endpoint_gain_m": 40.57257834650051,
 "overall_gradient_pct": 6.963600847178671,
 "accumulated_ascent_m": 44.511552997236365,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.67464005938467,
   "start_distance_m": 574.0,
   "end_distance_m": 579.0,
   "midpoint_distance_m": 576.5,
   "start_elevation_m": 120.06888230689219,
   "end_elevation_m": 121.30261430986143,
   "start_xy": [
    601990.5008973995,
    4552203.796385441
   ],
   "end_xy": [
    601995.4882792239,
    4552203.441388953
   ]
  },
  "max_10m": {
   "gradient_pct": 21.28832265944297,
   "start_distance_m": 572.0,
   "end_distance_m": 582.0,
   "midpoint_distance_m": 577.0,
   "start_elevation_m": 119.72646947369817,
   "end_elevation_m": 121.85530173964247,
   "start_xy": [
    601988.5036631853,
    4552203.828771334
   ],
   "end_xy": [
    601998.4807088742,
    4552203.228398866
   ]
  },
  "max_20m": {
   "gradient_pct": 16.10473538465257,
   "start_distance_m": 46.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 85.3182546536878,
   "end_elevation_m": 88.53920173061832,
   "start_xy": [
    601602.7445806667,
    4552191.867591119
   ],
   "end_xy": [
    601619.0956509112,
    4552180.350541657
   ]
  },
  "max_25m": {
   "gradient_pct": 15.268211666660875,
   "start_distance_m": 42.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 54.5,
   "start_elevation_m": 84.84545021787989,
   "end_elevation_m": 88.6625031345451,
   "start_xy": [
    601599.4747153003,
    4552194.171496317
   ],
   "end_xy": [
    601619.9132829448,
    4552179.774800519
   ]
  },
  "max_50m": {
   "gradient_pct": 12.598660014145166,
   "start_distance_m": 18.0,
   "end_distance_m": 68.0,
   "midpoint_distance_m": 43.0,
   "start_elevation_m": 82.47549259551269,
   "end_elevation_m": 88.77482260258527,
   "start_xy": [
    601579.8533087076,
    4552207.991782355
   ],
   "end_xy": [
    601620.7305835946,
    4552179.198589058
   ]
  },
  "max_100m": {
   "gradient_pct": 9.990550084287804,
   "start_distance_m": 6.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 81.34018600349194,
   "end_elevation_m": 91.33073608777974,
   "start_xy": [
    601569.9617405684,
    4552214.768130733
   ],
   "end_xy": [
    601652.3324164391,
    4552158.098724372
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -15.301328978748643,
   "start_distance_m": 447.0,
   "end_distance_m": 452.0,
   "midpoint_distance_m": 449.5,
   "start_elevation_m": 110.28567678902557,
   "end_elevation_m": 109.52061034008814,
   "start_xy": [
    601900.7729414416,
    4552126.511228777
   ],
   "end_xy": [
    601903.5839443231,
    4552130.646233017
   ]
  },
  "min_10m": {
   "gradient_pct": -8.712474982654186,
   "start_distance_m": 446.0,
   "end_distance_m": 456.0,
   "midpoint_distance_m": 451.0,
   "start_elevation_m": 110.17690284512733,
   "end_elevation_m": 109.30565534686191,
   "start_xy": [
    601900.2108776437,
    4552125.684134896
   ],
   "end_xy": [
    601905.8321995145,
    4552133.954608538
   ]
  },
  "min_20m": {
   "gradient_pct": -6.168996205055706,
   "start_distance_m": 447.0,
   "end_distance_m": 467.0,
   "midpoint_distance_m": 457.0,
   "start_elevation_m": 110.28567678902557,
   "end_elevation_m": 109.05187754801443,
   "start_xy": [
    601900.7729414416,
    4552126.511228777
   ],
   "end_xy": [
    601912.4342218098,
    4552142.751779441
   ]
  },
  "min_25m": {
   "gradient_pct": -4.7195983387486535,
   "start_distance_m": 447.0,
   "end_distance_m": 472.0,
   "midpoint_distance_m": 459.5,
   "start_elevation_m": 110.28567678902557,
   "end_elevation_m": 109.10577720433841,
   "start_xy": [
    601900.7729414416,
    4552126.511228777
   ],
   "end_xy": [
    601915.4560612718,
    4552146.735305915
   ]
  },
  "min_50m": {
   "gradient_pct": -2.0281328220710293,
   "start_distance_m": 206.0,
   "end_distance_m": 256.0,
   "midpoint_distance_m": 231.0,
   "start_elevation_m": 97.24758099595907,
   "end_elevation_m": 96.23351458492355,
   "start_xy": [
    601734.6635941446,
    4552101.36158039
   ],
   "end_xy": [
    601775.4770249903,
    4552072.478249357
   ]
  },
  "min_100m": {
   "gradient_pct": 1.104712805430836,
   "start_distance_m": 192.0,
   "end_distance_m": 292.0,
   "midpoint_distance_m": 242.0,
   "start_elevation_m": 97.04439046113907,
   "end_elevation_m": 98.14910326656991,
   "start_xy": [
    601723.2318676997,
    4552109.443386132
   ],
   "end_xy": [
    601804.5255219708,
    4552051.213617264
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 27.773180412289378,
   "start_distance_m": 577.0,
   "end_distance_m": 579.0,
   "midpoint_distance_m": 578.0,
   "start_elevation_m": 120.74715070161564,
   "end_elevation_m": 121.30261430986143,
   "start_xy": [
    601993.4933263555,
    4552203.5833856
   ],
   "end_xy": [
    601995.4882792239,
    4552203.441388953
   ]
  },
  "max_3m": {
   "gradient_pct": 25.372019412702212,
   "start_distance_m": 577.0,
   "end_distance_m": 580.0,
   "midpoint_distance_m": 578.5,
   "start_elevation_m": 120.74715070161564,
   "end_elevation_m": 121.5083112839967,
   "start_xy": [
    601993.4933263555,
    4552203.5833856
   ],
   "end_xy": [
    601996.4857560055,
    4552203.3703955095
   ]
  }
 },
 "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": 0.053,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.106,
   "windows_resited": [
    3.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 544.0,
     "end_m": 569.0,
     "raw_pct": 21.72,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 543.0,
     "end_m": 563.0,
     "raw_pct": 21.79,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 543.0,
     "end_m": 553.0,
     "raw_pct": 23.84,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.26,
   "obstruction_max_height_m": 25.3,
   "flagged_windows_m": [
    2,
    3,
    5,
    10
   ]
  },
  "excluded_ranges_m": [
   [
    420.0,
    450.0
   ],
   [
    541.0,
    571.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ny/USGS_1M_18_x60y456_NY_FEMAR2_Central_2018_D19.tif"
  ],
  "calculated_at": "2026-09-12T00:12:38+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-us-ny/batch-usa-rchunk00.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_FEMAR2_Central_2018_D19 (collected 2018)",
  "elevation_tile_ids": [
   "x60y456"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NY_FEMAR2_Central_B1_2018",
   "ept_crs": "EPSG:3857",
   "station_coverage": 0.998,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Mount Pleasant",
  "county": "New York"
 }
}