{
 "ocl_version": "0.1.0",
 "name": "Minor Street",
 "slug": "minor-street",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.11195625254379,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 209.0,
   "end_distance_m": 211.0,
   "start_elevation_m": 253.43622943737589,
   "end_elevation_m": 254.01846856242676,
   "min_gradient_pct": -2.76957929900874
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.37603250492388,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 208.0,
   "end_distance_m": 211.0,
   "start_elevation_m": 253.16718758727905,
   "end_elevation_m": 254.01846856242676,
   "min_gradient_pct": -2.5854757779067463
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.507640730361004,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 207.0,
   "end_distance_m": 212.0,
   "start_elevation_m": 252.95251460206285,
   "end_elevation_m": 254.2778966385809,
   "min_gradient_pct": -2.0174565838391345
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.628407299987998,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 219.0,
   "end_distance_m": 229.0,
   "start_elevation_m": 255.3817491033513,
   "end_elevation_m": 257.6445898333501,
   "min_gradient_pct": 0.09908550200918853
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.206572169479557,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 220.0,
   "end_distance_m": 240.0,
   "start_elevation_m": 255.6018647943523,
   "end_elevation_m": 260.0431792282482,
   "min_gradient_pct": 0.33690093530282184
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.054414965548858,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 219.0,
   "end_distance_m": 244.0,
   "start_elevation_m": 255.3817491033513,
   "end_elevation_m": 260.8953528447385,
   "min_gradient_pct": 0.41185285364815627
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.496195034326888,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 219.0,
   "end_distance_m": 269.0,
   "start_elevation_m": 255.3817491033513,
   "end_elevation_m": 266.12984662051474,
   "min_gradient_pct": 0.7477458537420034
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.262893187636394,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 186.0,
   "end_distance_m": 286.0,
   "start_elevation_m": 250.86069658832514,
   "end_elevation_m": 269.12358977596153,
   "min_gradient_pct": 1.246393486134025
  }
 ],
 "shape": {
  "ascent_concentration": 0.639,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 93.0,
  "shape_class": "stepped"
 },
 "length_m": 416.12515356561914,
 "start_elevation_m": 243.7122394384154,
 "end_elevation_m": 272.75691226953126,
 "endpoint_gain_m": 29.04467283111586,
 "overall_gradient_pct": 6.979792637441653,
 "accumulated_ascent_m": 29.24000379010664,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.507640730361004,
   "start_distance_m": 207.0,
   "end_distance_m": 212.0,
   "midpoint_distance_m": 209.5,
   "start_elevation_m": 252.95251460206285,
   "end_elevation_m": 254.2778966385809,
   "start_xy": [
    592994.0472475488,
    4405239.347386324
   ],
   "end_xy": [
    592989.8453569516,
    4405242.057389166
   ]
  },
  "max_10m": {
   "gradient_pct": 22.628407299987998,
   "start_distance_m": 219.0,
   "end_distance_m": 229.0,
   "midpoint_distance_m": 224.0,
   "start_elevation_m": 255.3817491033513,
   "end_elevation_m": 257.6445898333501,
   "start_xy": [
    592983.9627101154,
    4405245.851393146
   ],
   "end_xy": [
    592975.5589289209,
    4405251.271398832
   ]
  },
  "max_20m": {
   "gradient_pct": 22.206572169479557,
   "start_distance_m": 220.0,
   "end_distance_m": 240.0,
   "midpoint_distance_m": 230.0,
   "start_elevation_m": 255.6018647943523,
   "end_elevation_m": 260.0431792282482,
   "start_xy": [
    592983.122331996,
    4405246.393393715
   ],
   "end_xy": [
    592966.3147696068,
    4405257.233405086
   ]
  },
  "max_25m": {
   "gradient_pct": 22.054414965548858,
   "start_distance_m": 219.0,
   "end_distance_m": 244.0,
   "midpoint_distance_m": 231.5,
   "start_elevation_m": 255.3817491033513,
   "end_elevation_m": 260.8953528447385,
   "start_xy": [
    592983.9627101154,
    4405245.851393146
   ],
   "end_xy": [
    592962.9532571291,
    4405259.401407361
   ]
  },
  "max_50m": {
   "gradient_pct": 21.496195034326888,
   "start_distance_m": 219.0,
   "end_distance_m": 269.0,
   "midpoint_distance_m": 244.0,
   "start_elevation_m": 255.3817491033513,
   "end_elevation_m": 266.12984662051474,
   "start_xy": [
    592983.9627101154,
    4405245.851393146
   ],
   "end_xy": [
    592941.9438041426,
    4405272.951421576
   ]
  },
  "max_100m": {
   "gradient_pct": 18.262893187636394,
   "start_distance_m": 186.0,
   "end_distance_m": 286.0,
   "midpoint_distance_m": 236.0,
   "start_elevation_m": 250.86069658832514,
   "end_elevation_m": 269.12358977596153,
   "start_xy": [
    593010.9862641846,
    4405226.9366086
   ],
   "end_xy": [
    592927.657376112,
    4405282.1654312415
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.0174565838391345,
   "start_distance_m": 101.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 103.5,
   "start_elevation_m": 245.0779478223801,
   "end_elevation_m": 244.97707499318815,
   "start_xy": [
    593079.4740457998,
    4405176.593645528
   ],
   "end_xy": [
    593075.4426453179,
    4405179.551221283
   ]
  },
  "min_10m": {
   "gradient_pct": 0.09908550200918853,
   "start_distance_m": 98.0,
   "end_distance_m": 108.0,
   "midpoint_distance_m": 103.0,
   "start_elevation_m": 245.0136696842452,
   "end_elevation_m": 245.02357823444612,
   "start_xy": [
    593081.9322622612,
    4405174.874002591
   ],
   "end_xy": [
    593073.8312357896,
    4405180.735855966
   ]
  },
  "min_20m": {
   "gradient_pct": 0.33690093530282184,
   "start_distance_m": 86.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 96.0,
   "start_elevation_m": 244.9096948061276,
   "end_elevation_m": 244.97707499318815,
   "start_xy": [
    593091.7651281068,
    4405167.995430846
   ],
   "end_xy": [
    593075.4426453179,
    4405179.551221283
   ]
  },
  "min_25m": {
   "gradient_pct": 0.41185285364815627,
   "start_distance_m": 81.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 93.5,
   "start_elevation_m": 244.87411177977611,
   "end_elevation_m": 244.97707499318815,
   "start_xy": [
    593095.8621555425,
    4405165.129359284
   ],
   "end_xy": [
    593075.4426453179,
    4405179.551221283
   ]
  },
  "min_50m": {
   "gradient_pct": 0.7477458537420034,
   "start_distance_m": 56.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 81.0,
   "start_elevation_m": 244.60320206631715,
   "end_elevation_m": 244.97707499318815,
   "start_xy": [
    593116.3472927207,
    4405150.79900148
   ],
   "end_xy": [
    593075.4426453179,
    4405179.551221283
   ]
  },
  "min_100m": {
   "gradient_pct": 1.246393486134025,
   "start_distance_m": 6.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 243.73068150705413,
   "end_elevation_m": 244.97707499318815,
   "start_xy": [
    593157.3175670772,
    4405122.1382858725
   ],
   "end_xy": [
    593075.4426453179,
    4405179.551221283
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.11195625254379,
   "start_distance_m": 209.0,
   "end_distance_m": 211.0,
   "midpoint_distance_m": 210.0,
   "start_elevation_m": 253.43622943737589,
   "end_elevation_m": 254.01846856242676,
   "start_xy": [
    592992.36649131,
    4405240.431387461
   ],
   "end_xy": [
    592990.6857350711,
    4405241.515388598
   ]
  },
  "max_3m": {
   "gradient_pct": 28.37603250492388,
   "start_distance_m": 208.0,
   "end_distance_m": 211.0,
   "midpoint_distance_m": 209.5,
   "start_elevation_m": 253.16718758727905,
   "end_elevation_m": 254.01846856242676,
   "start_xy": [
    592993.2068694294,
    4405239.889386892
   ],
   "end_xy": [
    592990.6857350711,
    4405241.515388598
   ]
  }
 },
 "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": []
 },
 "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_x59y441_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T12:40:56+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": [
   "x59y441"
  ],
  "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": "Greensboro",
  "county": "Pennsylvania"
 }
}