{
 "ocl_version": "0.1.0",
 "name": "Hillcrest Drive",
 "slug": "hillcrest-drive-3-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 42.59070947337591,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 258.0,
   "end_distance_m": 260.0,
   "start_elevation_m": 512.1374043009324,
   "end_elevation_m": 512.9892184903999,
   "min_gradient_pct": 2.9627722195698425
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 40.03566832247619,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 257.0,
   "end_distance_m": 260.0,
   "start_elevation_m": 511.78814844072565,
   "end_elevation_m": 512.9892184903999,
   "min_gradient_pct": 3.026284208846164
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 36.70922515586881,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 257.0,
   "end_distance_m": 262.0,
   "start_elevation_m": 511.78814844072565,
   "end_elevation_m": 513.6236096985191,
   "min_gradient_pct": 3.190704545842209
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 30.224941883051315,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 251.0,
   "end_distance_m": 261.0,
   "start_elevation_m": 510.30036471650544,
   "end_elevation_m": 513.3228589048106,
   "min_gradient_pct": 3.6000138599496267
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.513962160048095,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 250.0,
   "end_distance_m": 270.0,
   "start_elevation_m": 510.11202493956546,
   "end_elevation_m": 515.0148173715751,
   "min_gradient_pct": 4.18264513349726
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.137724985423574,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 251.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 510.30036471650544,
   "end_elevation_m": 516.0847959628613,
   "min_gradient_pct": 4.385898236755793
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.37256205456265,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 229.0,
   "end_distance_m": 279.0,
   "start_elevation_m": 506.4966097889701,
   "end_elevation_m": 516.6828908162514,
   "min_gradient_pct": 5.4468320501108565
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.288943932337645,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 179.0,
   "end_distance_m": 279.0,
   "start_elevation_m": 498.39394688391377,
   "end_elevation_m": 516.6828908162514,
   "min_gradient_pct": 7.023984785138168
  }
 ],
 "shape": {
  "ascent_concentration": 0.322,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 261.0,
  "shape_class": "sustained"
 },
 "length_m": 480.0827712008039,
 "start_elevation_m": 480.0796110130269,
 "end_elevation_m": 547.064239328166,
 "endpoint_gain_m": 66.98462831513905,
 "overall_gradient_pct": 13.952724891083717,
 "accumulated_ascent_m": 66.98462831513905,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 36.70922515586881,
   "start_distance_m": 257.0,
   "end_distance_m": 262.0,
   "midpoint_distance_m": 259.5,
   "start_elevation_m": 511.78814844072565,
   "end_elevation_m": 513.6236096985191,
   "start_xy": [
    690107.7655117353,
    4646750.59042187
   ],
   "end_xy": [
    690111.4295424194,
    4646753.992609276
   ]
  },
  "max_10m": {
   "gradient_pct": 30.224941883051315,
   "start_distance_m": 251.0,
   "end_distance_m": 261.0,
   "midpoint_distance_m": 256.0,
   "start_elevation_m": 510.30036471650544,
   "end_elevation_m": 513.3228589048106,
   "start_xy": [
    690106.1828625897,
    4646745.26243688
   ],
   "end_xy": [
    690110.6967362826,
    4646753.312171795
   ]
  },
  "max_20m": {
   "gradient_pct": 24.513962160048095,
   "start_distance_m": 250.0,
   "end_distance_m": 270.0,
   "midpoint_distance_m": 260.0,
   "start_elevation_m": 510.11202493956546,
   "end_elevation_m": 515.0148173715751,
   "start_xy": [
    690106.1720520019,
    4646744.262495317
   ],
   "end_xy": [
    690117.9231163327,
    4646758.5189790595
   ]
  },
  "max_25m": {
   "gradient_pct": 23.137724985423574,
   "start_distance_m": 251.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 263.5,
   "start_elevation_m": 510.30036471650544,
   "end_elevation_m": 516.0847959628613,
   "start_xy": [
    690106.1828625897,
    4646745.26243688
   ],
   "end_xy": [
    690123.3071325272,
    4646761.167066976
   ]
  },
  "max_50m": {
   "gradient_pct": 20.37256205456265,
   "start_distance_m": 229.0,
   "end_distance_m": 279.0,
   "midpoint_distance_m": 254.0,
   "start_elevation_m": 506.4966097889701,
   "end_elevation_m": 516.6828908162514,
   "start_xy": [
    690110.5215742169,
    4646724.066259308
   ],
   "end_xy": [
    690125.9991406245,
    4646762.491110935
   ]
  },
  "max_100m": {
   "gradient_pct": 18.288943932337645,
   "start_distance_m": 179.0,
   "end_distance_m": 279.0,
   "midpoint_distance_m": 229.0,
   "start_elevation_m": 498.39394688391377,
   "end_elevation_m": 516.6828908162514,
   "start_xy": [
    690135.9592729697,
    4646681.4198095575
   ],
   "end_xy": [
    690125.9991406245,
    4646762.491110935
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 3.190704545842209,
   "start_distance_m": 3.0,
   "end_distance_m": 8.0,
   "midpoint_distance_m": 5.5,
   "start_elevation_m": 480.2128126838426,
   "end_elevation_m": 480.37234791113474,
   "start_xy": [
    690149.8848979073,
    4646509.940327092
   ],
   "end_xy": [
    690150.5980610858,
    4646514.88920558
   ]
  },
  "min_10m": {
   "gradient_pct": 3.6000138599496267,
   "start_distance_m": 1.0,
   "end_distance_m": 11.0,
   "midpoint_distance_m": 6.0,
   "start_elevation_m": 480.12174292865785,
   "end_elevation_m": 480.4817443146528,
   "start_xy": [
    690149.5996326358,
    4646507.960775698
   ],
   "end_xy": [
    690151.025958993,
    4646517.858532672
   ]
  },
  "min_20m": {
   "gradient_pct": 4.18264513349726,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 480.0796110130269,
   "end_elevation_m": 480.9161400397264,
   "start_xy": [
    690149.457,
    4646506.971
   ],
   "end_xy": [
    690152.4319717966,
    4646526.744683822
   ]
  },
  "min_25m": {
   "gradient_pct": 4.385898236755793,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 480.0796110130269,
   "end_elevation_m": 481.17608557221587,
   "start_xy": [
    690149.457,
    4646506.971
   ],
   "end_xy": [
    690153.4747498272,
    4646531.634736375
   ]
  },
  "min_50m": {
   "gradient_pct": 5.4468320501108565,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 480.0796110130269,
   "end_elevation_m": 482.80302703808235,
   "start_xy": [
    690149.457,
    4646506.971
   ],
   "end_xy": [
    690157.8466819872,
    4646556.235262291
   ]
  },
  "min_100m": {
   "gradient_pct": 7.023984785138168,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 480.0796110130269,
   "end_elevation_m": 487.1035957981651,
   "start_xy": [
    690149.457,
    4646506.971
   ],
   "end_xy": [
    690154.353202884,
    4646605.738755805
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 42.59070947337591,
   "start_distance_m": 258.0,
   "end_distance_m": 260.0,
   "midpoint_distance_m": 259.0,
   "start_elevation_m": 512.1374043009324,
   "end_elevation_m": 512.9892184903999,
   "start_xy": [
    690108.498317872,
    4646751.270859352
   ],
   "end_xy": [
    690109.9639301457,
    4646752.631734314
   ]
  },
  "max_3m": {
   "gradient_pct": 40.03566832247619,
   "start_distance_m": 257.0,
   "end_distance_m": 260.0,
   "midpoint_distance_m": 258.5,
   "start_elevation_m": 511.78814844072565,
   "end_elevation_m": 512.9892184903999,
   "start_xy": [
    690107.7655117353,
    4646750.59042187
   ],
   "end_xy": [
    690109.9639301457,
    4646752.631734314
   ]
  }
 },
 "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_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_x69y465_PA_Northcentral_2019_B19.tif"
  ],
  "calculated_at": "2026-09-07T11:33:21+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_Northcentral_2019_B19 (collected 2019)",
  "elevation_tile_ids": [
   "x69y465"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_Northcentral_2019_B19: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Bradford",
  "county": "Pennsylvania"
 }
}