{
 "ocl_version": "0.1.0",
 "name": "Guyer Road",
 "slug": "guyer-road-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.556457595243387,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 747.0,
   "end_distance_m": 749.0,
   "start_elevation_m": 353.59863408190057,
   "end_elevation_m": 354.10976323380544,
   "min_gradient_pct": -13.452412914924139
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.264870516626086,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 747.0,
   "end_distance_m": 750.0,
   "start_elevation_m": 353.59863408190057,
   "end_elevation_m": 354.35658019739935,
   "min_gradient_pct": -13.151286421030287
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.458414161294968,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 746.0,
   "end_distance_m": 751.0,
   "start_elevation_m": 353.37166219007247,
   "end_elevation_m": 354.5945828981372,
   "min_gradient_pct": -12.899721265059725
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.887958458923663,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 746.0,
   "end_distance_m": 756.0,
   "start_elevation_m": 353.37166219007247,
   "end_elevation_m": 355.66045803596484,
   "min_gradient_pct": -12.736043044829444
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.675024258822532,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 738.0,
   "end_distance_m": 758.0,
   "start_elevation_m": 351.9376276626857,
   "end_elevation_m": 356.0726325144502,
   "min_gradient_pct": -12.328948269202726
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.020753954219117,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 735.0,
   "end_distance_m": 760.0,
   "start_elevation_m": 351.41484873147954,
   "end_elevation_m": 356.4200372200343,
   "min_gradient_pct": -12.042039698422286
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.190157524894175,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 726.0,
   "end_distance_m": 776.0,
   "start_elevation_m": 349.9255564592884,
   "end_elevation_m": 359.02063522173546,
   "min_gradient_pct": -10.397858921336024
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.762739496015229,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 707.0,
   "end_distance_m": 807.0,
   "start_elevation_m": 347.30819007669714,
   "end_elevation_m": 363.0709295727124,
   "min_gradient_pct": -5.60670213394917
  }
 ],
 "shape": {
  "ascent_concentration": 0.493,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 178.0,
  "shape_class": "stepped"
 },
 "length_m": 1636.0000000003174,
 "start_elevation_m": 304.2808003784283,
 "end_elevation_m": 382.8354008951399,
 "endpoint_gain_m": 78.55460051671162,
 "overall_gradient_pct": 4.8016259484533235,
 "accumulated_ascent_m": 91.60063683654079,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.458414161294968,
   "start_distance_m": 746.0,
   "end_distance_m": 751.0,
   "midpoint_distance_m": 748.5,
   "start_elevation_m": 353.37166219007247,
   "end_elevation_m": 354.5945828981372,
   "start_xy": [
    611274.4391635666,
    4493446.391324507
   ],
   "end_xy": [
    611279.2141990798,
    4493444.908409861
   ]
  },
  "max_10m": {
   "gradient_pct": 22.887958458923663,
   "start_distance_m": 746.0,
   "end_distance_m": 756.0,
   "midpoint_distance_m": 751.0,
   "start_elevation_m": 353.37166219007247,
   "end_elevation_m": 355.66045803596484,
   "start_xy": [
    611274.4391635666,
    4493446.391324507
   ],
   "end_xy": [
    611284.1763659925,
    4493445.437468514
   ]
  },
  "max_20m": {
   "gradient_pct": 20.675024258822532,
   "start_distance_m": 738.0,
   "end_distance_m": 758.0,
   "midpoint_distance_m": 748.0,
   "start_elevation_m": 351.9376276626857,
   "end_elevation_m": 356.0726325144502,
   "start_xy": [
    611266.9783278782,
    4493449.21599089
   ],
   "end_xy": [
    611286.1630641157,
    4493445.667752182
   ]
  },
  "max_25m": {
   "gradient_pct": 20.020753954219117,
   "start_distance_m": 735.0,
   "end_distance_m": 760.0,
   "midpoint_distance_m": 747.5,
   "start_elevation_m": 351.41484873147954,
   "end_elevation_m": 356.4200372200343,
   "start_xy": [
    611264.2820513541,
    4493450.53132085
   ],
   "end_xy": [
    611287.7798853351,
    4493446.8009240255
   ]
  },
  "max_50m": {
   "gradient_pct": 18.190157524894175,
   "start_distance_m": 726.0,
   "end_distance_m": 776.0,
   "midpoint_distance_m": 751.0,
   "start_elevation_m": 349.9255564592884,
   "end_elevation_m": 359.02063522173546,
   "start_xy": [
    611256.1932217815,
    4493454.477310732
   ],
   "end_xy": [
    611298.0643157192,
    4493458.749018222
   ]
  },
  "max_100m": {
   "gradient_pct": 15.762739496015229,
   "start_distance_m": 707.0,
   "end_distance_m": 807.0,
   "midpoint_distance_m": 757.0,
   "start_elevation_m": 347.30819007669714,
   "end_elevation_m": 363.0709295727124,
   "start_xy": [
    611239.1168037952,
    4493462.807733816
   ],
   "end_xy": [
    611315.4369180525,
    4493484.3030903395
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -12.899721265059725,
   "start_distance_m": 195.0,
   "end_distance_m": 200.0,
   "midpoint_distance_m": 197.5,
   "start_elevation_m": 317.81772419519825,
   "end_elevation_m": 317.17273813194527,
   "start_xy": [
    611199.0310482589,
    4493834.383856309
   ],
   "end_xy": [
    611195.3968111057,
    4493830.949861504
   ]
  },
  "min_10m": {
   "gradient_pct": -12.736043044829444,
   "start_distance_m": 194.0,
   "end_distance_m": 204.0,
   "midpoint_distance_m": 199.0,
   "start_elevation_m": 317.95171047187483,
   "end_elevation_m": 316.6781061673919,
   "start_xy": [
    611199.7578956895,
    4493835.07065527
   ],
   "end_xy": [
    611192.718655204,
    4493828.000053338
   ]
  },
  "min_20m": {
   "gradient_pct": -12.328948269202726,
   "start_distance_m": 189.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 199.0,
   "start_elevation_m": 318.55087177883235,
   "end_elevation_m": 316.0850821249918,
   "start_xy": [
    611203.3921328428,
    4493838.504650073
   ],
   "end_xy": [
    611189.7570358866,
    4493823.9715534905
   ]
  },
  "min_25m": {
   "gradient_pct": -12.042039698422286,
   "start_distance_m": 185.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 197.5,
   "start_elevation_m": 318.9851483232997,
   "end_elevation_m": 315.97463839869414,
   "start_xy": [
    611206.2995225653,
    4493841.251845917
   ],
   "end_xy": [
    611189.1647120232,
    4493823.165853521
   ]
  },
  "min_50m": {
   "gradient_pct": -10.397858921336024,
   "start_distance_m": 170.0,
   "end_distance_m": 220.0,
   "midpoint_distance_m": 195.0,
   "start_elevation_m": 320.3157948523029,
   "end_elevation_m": 315.11686539163486,
   "start_xy": [
    611218.7139113846,
    4493849.194480498
   ],
   "end_xy": [
    611183.2414733885,
    4493815.108853826
   ]
  },
  "min_100m": {
   "gradient_pct": -5.60670213394917,
   "start_distance_m": 1018.0,
   "end_distance_m": 1118.0,
   "midpoint_distance_m": 1068.0,
   "start_elevation_m": 371.4527837056608,
   "end_elevation_m": 365.84608157171164,
   "start_xy": [
    611509.9619249367,
    4493521.187531703
   ],
   "end_xy": [
    611597.4446266873,
    4493472.842121165
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.556457595243387,
   "start_distance_m": 747.0,
   "end_distance_m": 749.0,
   "midpoint_distance_m": 748.0,
   "start_elevation_m": 353.59863408190057,
   "end_elevation_m": 354.10976323380544,
   "start_xy": [
    611275.3941706691,
    4493446.094741577
   ],
   "end_xy": [
    611277.3041848745,
    4493445.501575719
   ]
  },
  "max_3m": {
   "gradient_pct": 25.264870516626086,
   "start_distance_m": 747.0,
   "end_distance_m": 750.0,
   "midpoint_distance_m": 748.5,
   "start_elevation_m": 353.59863408190057,
   "end_elevation_m": 354.35658019739935,
   "start_xy": [
    611275.3941706691,
    4493446.094741577
   ],
   "end_xy": [
    611278.2591919771,
    4493445.20499279
   ]
  }
 },
 "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",
   "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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x61y450_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T16:22:41+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-band1.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": [
   "x61y450"
  ],
  "route_summit_trim_m": 1502.5,
  "route_summit_trim_loss_m": 24.1,
  "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": "Lower Burrell",
  "county": "Pennsylvania"
 }
}