{
 "ocl_version": "0.1.0",
 "name": "Jones Hill Street",
 "slug": "jones-hill-street",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.91060669147953,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 236.0,
   "end_distance_m": 238.0,
   "start_elevation_m": 338.41166167998193,
   "end_elevation_m": 338.8698738138115,
   "min_gradient_pct": 2.526619852611134
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.80836246645678,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 88.0,
   "end_distance_m": 91.0,
   "start_elevation_m": 314.48342155955606,
   "end_elevation_m": 315.13767243354977,
   "min_gradient_pct": 2.891218272753804
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.580993592683626,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 88.0,
   "end_distance_m": 93.0,
   "start_elevation_m": 314.48342155955606,
   "end_elevation_m": 315.56247123919024,
   "min_gradient_pct": 3.595708963192692
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.09418593775729,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 87.0,
   "end_distance_m": 97.0,
   "start_elevation_m": 314.28502295604335,
   "end_elevation_m": 316.3944415498191,
   "min_gradient_pct": 6.8829366252305135
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.896389556624513,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 84.0,
   "end_distance_m": 104.0,
   "start_elevation_m": 313.66314097847163,
   "end_elevation_m": 317.84241888979653,
   "min_gradient_pct": 8.659327918774977
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.780992153784155,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 88.0,
   "end_distance_m": 113.0,
   "start_elevation_m": 314.48342155955606,
   "end_elevation_m": 319.6786695980021,
   "min_gradient_pct": 9.29360766886498
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.058112486071195,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 73.0,
   "end_distance_m": 123.0,
   "start_elevation_m": 311.56562200071556,
   "end_elevation_m": 321.59467824375116,
   "min_gradient_pct": 10.79441166944514
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.09603751249017,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 54.0,
   "end_distance_m": 154.0,
   "start_elevation_m": 308.5137372214629,
   "end_elevation_m": 326.6097747339531,
   "min_gradient_pct": 14.253347287184909
  }
 ],
 "shape": {
  "ascent_concentration": 0.32,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 245.0,
  "shape_class": "sustained"
 },
 "length_m": 250.52486072618152,
 "start_elevation_m": 302.5618188359345,
 "end_elevation_m": 340.9971874929756,
 "endpoint_gain_m": 38.435368657041124,
 "overall_gradient_pct": 15.341937940063437,
 "accumulated_ascent_m": 38.435368657041124,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.580993592683626,
   "start_distance_m": 88.0,
   "end_distance_m": 93.0,
   "midpoint_distance_m": 90.5,
   "start_elevation_m": 314.48342155955606,
   "end_elevation_m": 315.56247123919024,
   "start_xy": [
    315259.64092672773,
    4664244.061746864
   ],
   "end_xy": [
    315259.6289339282,
    4664249.061732481
   ]
  },
  "max_10m": {
   "gradient_pct": 21.09418593775729,
   "start_distance_m": 87.0,
   "end_distance_m": 97.0,
   "midpoint_distance_m": 92.0,
   "start_elevation_m": 314.28502295604335,
   "end_elevation_m": 316.3944415498191,
   "start_xy": [
    315259.6433252877,
    4664243.0617497405
   ],
   "end_xy": [
    315259.61933968856,
    4664253.061720975
   ]
  },
  "max_20m": {
   "gradient_pct": 20.896389556624513,
   "start_distance_m": 84.0,
   "end_distance_m": 104.0,
   "midpoint_distance_m": 94.0,
   "start_elevation_m": 313.66314097847163,
   "end_elevation_m": 317.84241888979653,
   "start_xy": [
    315259.6505209674,
    4664240.06175837
   ],
   "end_xy": [
    315259.60254976916,
    4664260.061700839
   ]
  },
  "max_25m": {
   "gradient_pct": 20.780992153784155,
   "start_distance_m": 88.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 100.5,
   "start_elevation_m": 314.48342155955606,
   "end_elevation_m": 319.6786695980021,
   "start_xy": [
    315259.64092672773,
    4664244.061746864
   ],
   "end_xy": [
    315259.58096272993,
    4664269.06167495
   ]
  },
  "max_50m": {
   "gradient_pct": 20.058112486071195,
   "start_distance_m": 73.0,
   "end_distance_m": 123.0,
   "midpoint_distance_m": 98.0,
   "start_elevation_m": 311.56562200071556,
   "end_elevation_m": 321.59467824375116,
   "start_xy": [
    315259.6769051264,
    4664229.061790012
   ],
   "end_xy": [
    315259.5569771308,
    4664279.061646184
   ]
  },
  "max_100m": {
   "gradient_pct": 18.09603751249017,
   "start_distance_m": 54.0,
   "end_distance_m": 154.0,
   "midpoint_distance_m": 104.0,
   "start_elevation_m": 308.5137372214629,
   "end_elevation_m": 326.6097747339531,
   "start_xy": [
    315259.72247776476,
    4664210.0618446665
   ],
   "end_xy": [
    315259.48262177355,
    4664310.061557012
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 3.595708963192692,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 302.5618188359345,
   "end_elevation_m": 302.74160428409414,
   "start_xy": [
    315259.852,
    4664156.062
   ],
   "end_xy": [
    315259.84000720043,
    4664161.0619856175
   ]
  },
  "min_10m": {
   "gradient_pct": 6.8829366252305135,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 302.5618188359345,
   "end_elevation_m": 303.25011249845755,
   "start_xy": [
    315259.852,
    4664156.062
   ],
   "end_xy": [
    315259.8280144009,
    4664166.061971234
   ]
  },
  "min_20m": {
   "gradient_pct": 8.659327918774977,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 302.5618188359345,
   "end_elevation_m": 304.2936844196895,
   "start_xy": [
    315259.852,
    4664156.062
   ],
   "end_xy": [
    315259.8040288018,
    4664176.061942469
   ]
  },
  "min_25m": {
   "gradient_pct": 9.29360766886498,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 302.5618188359345,
   "end_elevation_m": 304.88522075315075,
   "start_xy": [
    315259.852,
    4664156.062
   ],
   "end_xy": [
    315259.7920360022,
    4664181.061928086
   ]
  },
  "min_50m": {
   "gradient_pct": 10.79441166944514,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 302.5618188359345,
   "end_elevation_m": 307.9590246706571,
   "start_xy": [
    315259.852,
    4664156.062
   ],
   "end_xy": [
    315259.7320720044,
    4664206.061856172
   ]
  },
  "min_100m": {
   "gradient_pct": 14.253347287184909,
   "start_distance_m": 123.0,
   "end_distance_m": 223.0,
   "midpoint_distance_m": 173.0,
   "start_elevation_m": 321.59467824375116,
   "end_elevation_m": 335.84802553093607,
   "start_xy": [
    315259.5569771308,
    4664279.061646184
   ],
   "end_xy": [
    315242.1919044993,
    4664358.810452607
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.91060669147953,
   "start_distance_m": 236.0,
   "end_distance_m": 238.0,
   "midpoint_distance_m": 237.0,
   "start_elevation_m": 338.41166167998193,
   "end_elevation_m": 338.8698738138115,
   "start_xy": [
    315229.25328286435,
    4664360.072225245
   ],
   "end_xy": [
    315227.26272568974,
    4664360.266344111
   ]
  },
  "max_3m": {
   "gradient_pct": 21.80836246645678,
   "start_distance_m": 88.0,
   "end_distance_m": 91.0,
   "midpoint_distance_m": 89.5,
   "start_elevation_m": 314.48342155955606,
   "end_elevation_m": 315.13767243354977,
   "start_xy": [
    315259.64092672773,
    4664244.061746864
   ],
   "end_xy": [
    315259.63373104803,
    4664247.061738234
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.107,
   "obstruction_max_height_m": 21.19,
   "flagged_windows_m": [
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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_one_meter_x31y467_NY_Southwest_2_Co_2016.tif"
  ],
  "calculated_at": "2026-09-06T12:14:21+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/new-york-2026-09-06-batch-band1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "ny-run3-260906",
  "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_Southwest_2_Co_2016 (collected 2016)",
  "elevation_tile_ids": [
   "x31y467"
  ],
  "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_Southwest_2_CO_2016_LAS_2018",
   "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": "Addison",
  "county": "New York"
 }
}