{
 "ocl_version": "0.1.0",
 "name": "Green Street",
 "slug": "green-street",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.95817954824986,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 251.0,
   "end_distance_m": 253.0,
   "start_elevation_m": 360.32205724986585,
   "end_elevation_m": 360.82122084083085,
   "min_gradient_pct": -4.544990914101277
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.73581846340191,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 250.0,
   "end_distance_m": 253.0,
   "start_elevation_m": 360.0791462869288,
   "end_elevation_m": 360.82122084083085,
   "min_gradient_pct": -4.351376823224958
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.62999971898057,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 249.0,
   "end_distance_m": 254.0,
   "start_elevation_m": 359.82897365689,
   "end_elevation_m": 361.06047364283904,
   "min_gradient_pct": -4.231654088658843
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.135608321796553,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 245.0,
   "end_distance_m": 255.0,
   "start_elevation_m": 358.87924655379584,
   "end_elevation_m": 361.2928073859755,
   "min_gradient_pct": -3.0807362154314433
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.597985589691746,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 238.0,
   "end_distance_m": 258.0,
   "start_elevation_m": 357.27204134819027,
   "end_elevation_m": 361.9916384661286,
   "min_gradient_pct": -1.3060872115087818
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.46818805066073,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 237.0,
   "end_distance_m": 262.0,
   "start_elevation_m": 357.0470791976847,
   "end_elevation_m": 362.9141262103499,
   "min_gradient_pct": -0.7770173680210064
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.059998838070328,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 225.0,
   "end_distance_m": 275.0,
   "start_elevation_m": 354.5865455616104,
   "end_elevation_m": 365.6165449806456,
   "min_gradient_pct": 0.38634509108032944
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.877201741539295,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 202.0,
   "end_distance_m": 302.0,
   "start_elevation_m": 351.57182559046964,
   "end_elevation_m": 369.44902733200894,
   "min_gradient_pct": 3.4477383616268185
  }
 ],
 "shape": {
  "ascent_concentration": 0.363,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 170.0,
  "shape_class": "sustained"
 },
 "length_m": 496.9999999997103,
 "start_elevation_m": 337.64840853216884,
 "end_elevation_m": 393.5761893431737,
 "endpoint_gain_m": 55.92778081100488,
 "overall_gradient_pct": 11.253074609866696,
 "accumulated_ascent_m": 56.281453046388606,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.62999971898057,
   "start_distance_m": 249.0,
   "end_distance_m": 254.0,
   "midpoint_distance_m": 251.5,
   "start_elevation_m": 359.82897365689,
   "end_elevation_m": 361.06047364283904,
   "start_xy": [
    618663.5294118463,
    4466283.498612345
   ],
   "end_xy": [
    618666.7951412211,
    4466279.7124518035
   ]
  },
  "max_10m": {
   "gradient_pct": 24.135608321796553,
   "start_distance_m": 245.0,
   "end_distance_m": 255.0,
   "midpoint_distance_m": 250.0,
   "start_elevation_m": 358.87924655379584,
   "end_elevation_m": 361.2928073859755,
   "start_xy": [
    618660.9168283463,
    4466286.527540779
   ],
   "end_xy": [
    618667.4482870961,
    4466278.955219695
   ]
  },
  "max_20m": {
   "gradient_pct": 23.597985589691746,
   "start_distance_m": 238.0,
   "end_distance_m": 258.0,
   "midpoint_distance_m": 248.0,
   "start_elevation_m": 357.27204134819027,
   "end_elevation_m": 361.9916384661286,
   "start_xy": [
    618656.3448072216,
    4466291.828165538
   ],
   "end_xy": [
    618669.407724721,
    4466276.68352337
   ]
  },
  "max_25m": {
   "gradient_pct": 23.46818805066073,
   "start_distance_m": 237.0,
   "end_distance_m": 262.0,
   "midpoint_distance_m": 249.5,
   "start_elevation_m": 357.0470791976847,
   "end_elevation_m": 362.9141262103499,
   "start_xy": [
    618655.6916613466,
    4466292.585397647
   ],
   "end_xy": [
    618672.0203082209,
    4466273.654594936
   ]
  },
  "max_50m": {
   "gradient_pct": 22.059998838070328,
   "start_distance_m": 225.0,
   "end_distance_m": 275.0,
   "midpoint_distance_m": 250.0,
   "start_elevation_m": 354.5865455616104,
   "end_elevation_m": 365.6165449806456,
   "start_xy": [
    618647.8539108469,
    4466301.672182947
   ],
   "end_xy": [
    618680.5112045956,
    4466263.810577527
   ]
  },
  "max_100m": {
   "gradient_pct": 17.877201741539295,
   "start_distance_m": 202.0,
   "end_distance_m": 302.0,
   "midpoint_distance_m": 252.0,
   "start_elevation_m": 351.57182559046964,
   "end_elevation_m": 369.44902733200894,
   "start_xy": [
    618632.7214635506,
    4466318.991635126
   ],
   "end_xy": [
    618698.1301756128,
    4466243.351625046
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.231654088658843,
   "start_distance_m": 123.0,
   "end_distance_m": 128.0,
   "midpoint_distance_m": 125.5,
   "start_elevation_m": 349.8659950653663,
   "end_elevation_m": 349.65441236093335,
   "start_xy": [
    618579.9427879058,
    4466377.774382571
   ],
   "end_xy": [
    618583.283210415,
    4466374.053955518
   ]
  },
  "min_10m": {
   "gradient_pct": -3.0807362154314433,
   "start_distance_m": 121.0,
   "end_distance_m": 131.0,
   "midpoint_distance_m": 126.0,
   "start_elevation_m": 349.90941864166643,
   "end_elevation_m": 349.6013450201233,
   "start_xy": [
    618578.6066189022,
    4466379.262553392
   ],
   "end_xy": [
    618585.2874639205,
    4466371.821699285
   ]
  },
  "min_20m": {
   "gradient_pct": -1.3060872115087818,
   "start_distance_m": 121.0,
   "end_distance_m": 141.0,
   "midpoint_distance_m": 131.0,
   "start_elevation_m": 349.90941864166643,
   "end_elevation_m": 349.6482011993647,
   "start_xy": [
    618578.6066189022,
    4466379.262553392
   ],
   "end_xy": [
    618591.9683089388,
    4466364.380845178
   ]
  },
  "min_25m": {
   "gradient_pct": -0.7770173680210064,
   "start_distance_m": 121.0,
   "end_distance_m": 146.0,
   "midpoint_distance_m": 133.5,
   "start_elevation_m": 349.90941864166643,
   "end_elevation_m": 349.7151642996612,
   "start_xy": [
    618578.6066189022,
    4466379.262553392
   ],
   "end_xy": [
    618595.308731448,
    4466360.660418125
   ]
  },
  "min_50m": {
   "gradient_pct": 0.38634509108032944,
   "start_distance_m": 121.0,
   "end_distance_m": 171.0,
   "midpoint_distance_m": 146.0,
   "start_elevation_m": 349.90941864166643,
   "end_elevation_m": 350.1025911872066,
   "start_xy": [
    618578.6066189022,
    4466379.262553392
   ],
   "end_xy": [
    618612.0108439937,
    4466342.058282858
   ]
  },
  "min_100m": {
   "gradient_pct": 3.4477383616268185,
   "start_distance_m": 103.0,
   "end_distance_m": 203.0,
   "midpoint_distance_m": 153.0,
   "start_elevation_m": 348.2128919361443,
   "end_elevation_m": 351.6606302977711,
   "start_xy": [
    618564.8449029913,
    4466368.210677394
   ],
   "end_xy": [
    618633.3895480525,
    4466318.247549715
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.95817954824986,
   "start_distance_m": 251.0,
   "end_distance_m": 253.0,
   "midpoint_distance_m": 252.0,
   "start_elevation_m": 360.32205724986585,
   "end_elevation_m": 360.82122084083085,
   "start_xy": [
    618664.8357035962,
    4466281.984148129
   ],
   "end_xy": [
    618666.1419953462,
    4466280.469683912
   ]
  },
  "max_3m": {
   "gradient_pct": 24.73581846340191,
   "start_distance_m": 250.0,
   "end_distance_m": 253.0,
   "midpoint_distance_m": 251.5,
   "start_elevation_m": 360.0791462869288,
   "end_elevation_m": 360.82122084083085,
   "start_xy": [
    618664.1825577213,
    4466282.741380237
   ],
   "end_xy": [
    618666.1419953462,
    4466280.469683912
   ]
  }
 },
 "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": {
  "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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x61y447_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T16:21:36+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/pennsylvania-2026-09-07-batch-band2.osm.pbf",
  "osm_snapshot": "",
  "run_id": "pa-run4-260907",
  "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, PA_WesternPA_2019_D20 (collected 2020)",
  "elevation_tile_ids": [
   "x61y447"
  ],
  "route_summit_trim_m": 62.5,
  "route_summit_trim_loss_m": 3.5,
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_WesternPA_2019_D20: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Jeannette",
  "county": "Pennsylvania"
 }
}