{
 "ocl_version": "0.1.0",
 "name": "Cherry Street",
 "slug": "cherry-street",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.76329608568801,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 309.0,
   "end_distance_m": 311.0,
   "start_elevation_m": 363.84201556302975,
   "end_elevation_m": 364.2972814847435,
   "min_gradient_pct": -2.4380023500839343
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.355563531613143,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 309.0,
   "end_distance_m": 312.0,
   "start_elevation_m": 363.84201556302975,
   "end_elevation_m": 364.51268246897814,
   "min_gradient_pct": -2.352314989544387
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.251019588271674,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 315.0,
   "end_distance_m": 320.0,
   "start_elevation_m": 365.14435464201944,
   "end_elevation_m": 366.256905621433,
   "min_gradient_pct": -2.0418256424159154
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.972224916467553,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 315.0,
   "end_distance_m": 325.0,
   "start_elevation_m": 365.14435464201944,
   "end_elevation_m": 367.3415771336662,
   "min_gradient_pct": -1.6644681215240098
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.770574839414678,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 306.0,
   "end_distance_m": 326.0,
   "start_elevation_m": 363.2052904504296,
   "end_elevation_m": 367.5594054183125,
   "min_gradient_pct": -1.5265934486026822
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.751481792426603,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 301.0,
   "end_distance_m": 326.0,
   "start_elevation_m": 362.12153497020586,
   "end_elevation_m": 367.5594054183125,
   "min_gradient_pct": -1.4385623873952227
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.251235283917367,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 280.0,
   "end_distance_m": 330.0,
   "start_elevation_m": 357.75264627237306,
   "end_elevation_m": 368.37826391433174,
   "min_gradient_pct": -1.2895419564792974
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.348532370775104,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 250.0,
   "end_distance_m": 350.0,
   "start_elevation_m": 351.76600918202314,
   "end_elevation_m": 372.11454155279824,
   "min_gradient_pct": -0.8758632157059765
  }
 ],
 "shape": {
  "ascent_concentration": 0.744,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 114.0,
  "shape_class": "stinger"
 },
 "length_m": 358.62098867267247,
 "start_elevation_m": 348.88173777624024,
 "end_elevation_m": 372.83977545352195,
 "endpoint_gain_m": 23.95803767728171,
 "overall_gradient_pct": 6.680601089734085,
 "accumulated_ascent_m": 24.916269003488594,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.251019588271674,
   "start_distance_m": 315.0,
   "end_distance_m": 320.0,
   "midpoint_distance_m": 317.5,
   "start_elevation_m": 365.14435464201944,
   "end_elevation_m": 366.256905621433,
   "start_xy": [
    494358.56663812196,
    4700558.859356002
   ],
   "end_xy": [
    494353.8100602603,
    4700560.400448811
   ]
  },
  "max_10m": {
   "gradient_pct": 21.972224916467553,
   "start_distance_m": 315.0,
   "end_distance_m": 325.0,
   "midpoint_distance_m": 320.0,
   "start_elevation_m": 365.14435464201944,
   "end_elevation_m": 367.3415771336662,
   "start_xy": [
    494358.56663812196,
    4700558.859356002
   ],
   "end_xy": [
    494349.0534823986,
    4700561.9415416205
   ]
  },
  "max_20m": {
   "gradient_pct": 21.770574839414678,
   "start_distance_m": 306.0,
   "end_distance_m": 326.0,
   "midpoint_distance_m": 316.0,
   "start_elevation_m": 363.2052904504296,
   "end_elevation_m": 367.5594054183125,
   "start_xy": [
    494367.12847827293,
    4700556.085388946
   ],
   "end_xy": [
    494348.1021668263,
    4700562.249760182
   ]
  },
  "max_25m": {
   "gradient_pct": 21.751481792426603,
   "start_distance_m": 301.0,
   "end_distance_m": 326.0,
   "midpoint_distance_m": 313.5,
   "start_elevation_m": 362.12153497020586,
   "end_elevation_m": 367.5594054183125,
   "start_xy": [
    494371.8850561346,
    4700554.544296137
   ],
   "end_xy": [
    494348.1021668263,
    4700562.249760182
   ]
  },
  "max_50m": {
   "gradient_pct": 21.251235283917367,
   "start_distance_m": 280.0,
   "end_distance_m": 330.0,
   "midpoint_distance_m": 305.0,
   "start_elevation_m": 357.75264627237306,
   "end_elevation_m": 368.37826391433174,
   "start_xy": [
    494391.86268315354,
    4700548.071706339
   ],
   "end_xy": [
    494344.296904537,
    4700563.482634429
   ]
  },
  "max_100m": {
   "gradient_pct": 20.348532370775104,
   "start_distance_m": 250.0,
   "end_distance_m": 350.0,
   "midpoint_distance_m": 300.0,
   "start_elevation_m": 351.76600918202314,
   "end_elevation_m": 372.11454155279824,
   "start_xy": [
    494420.4031805295,
    4700538.828395211
   ],
   "end_xy": [
    494325.2705930904,
    4700569.647005665
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.0418256424159154,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 348.88173777624024,
   "end_elevation_m": 348.77964649411945,
   "start_xy": [
    494658.294,
    4700461.967
   ],
   "end_xy": [
    494653.5361758755,
    4700463.504240905
   ]
  },
  "min_10m": {
   "gradient_pct": -1.6644681215240098,
   "start_distance_m": 29.0,
   "end_distance_m": 39.0,
   "midpoint_distance_m": 34.0,
   "start_elevation_m": 348.53233103719936,
   "end_elevation_m": 348.36588422504695,
   "start_xy": [
    494630.70096783096,
    4700470.890258103
   ],
   "end_xy": [
    494621.18661015923,
    4700473.968731441
   ]
  },
  "min_20m": {
   "gradient_pct": -1.5265934486026822,
   "start_distance_m": 19.0,
   "end_distance_m": 39.0,
   "midpoint_distance_m": 29.0,
   "start_elevation_m": 348.6712029147675,
   "end_elevation_m": 348.36588422504695,
   "start_xy": [
    494640.2153255027,
    4700467.811784765
   ],
   "end_xy": [
    494621.18661015923,
    4700473.968731441
   ]
  },
  "min_25m": {
   "gradient_pct": -1.4385623873952227,
   "start_distance_m": 19.0,
   "end_distance_m": 44.0,
   "midpoint_distance_m": 31.5,
   "start_elevation_m": 348.6712029147675,
   "end_elevation_m": 348.3115623179187,
   "start_xy": [
    494640.2153255027,
    4700467.811784765
   ],
   "end_xy": [
    494616.42943132337,
    4700475.50796811
   ]
  },
  "min_50m": {
   "gradient_pct": -1.2895419564792974,
   "start_distance_m": 19.0,
   "end_distance_m": 69.0,
   "midpoint_distance_m": 44.0,
   "start_elevation_m": 348.6712029147675,
   "end_elevation_m": 348.02643193652784,
   "start_xy": [
    494640.2153255027,
    4700467.811784765
   ],
   "end_xy": [
    494592.643537144,
    4700483.204151455
   ]
  },
  "min_100m": {
   "gradient_pct": -0.8758632157059765,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 348.88173777624024,
   "end_elevation_m": 348.00587456053427,
   "start_xy": [
    494658.294,
    4700461.967
   ],
   "end_xy": [
    494563.14902836166,
    4700492.747418804
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.76329608568801,
   "start_distance_m": 309.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 310.0,
   "start_elevation_m": 363.84201556302975,
   "end_elevation_m": 364.2972814847435,
   "start_xy": [
    494364.27453155594,
    4700557.010044632
   ],
   "end_xy": [
    494362.37190041126,
    4700557.626481755
   ]
  },
  "max_3m": {
   "gradient_pct": 22.355563531613143,
   "start_distance_m": 309.0,
   "end_distance_m": 312.0,
   "midpoint_distance_m": 310.5,
   "start_elevation_m": 363.84201556302975,
   "end_elevation_m": 364.51268246897814,
   "start_xy": [
    494364.27453155594,
    4700557.010044632
   ],
   "end_xy": [
    494361.42058483895,
    4700557.934700317
   ]
  }
 },
 "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": 0.108,
   "obstruction_max_height_m": 22.79,
   "flagged_windows_m": [
    100
   ]
  },
  "review": [],
  "extent": [
   "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_x49y471_NY_FEMAR2_Central_2018_D19.tif"
  ],
  "calculated_at": "2026-09-06T12:10:39+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-band2.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_FEMAR2_Central_2018_D19 (collected 2018)",
  "elevation_tile_ids": [
   "x49y471"
  ],
  "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_5_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": "Oneonta",
  "county": "New York"
 }
}