{
 "ocl_version": "0.1.0",
 "name": "Stoltz Street",
 "slug": "stoltz-street",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.931283380542936,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 11.0,
   "end_distance_m": 13.0,
   "start_elevation_m": 307.56167216279505,
   "end_elevation_m": 308.1002978304059,
   "min_gradient_pct": 0.08305660640246515
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.72461043592686,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 11.0,
   "end_distance_m": 14.0,
   "start_elevation_m": 307.56167216279505,
   "end_elevation_m": 308.36341047587285,
   "min_gradient_pct": 0.47173554004302787
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.312624031232872,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 10.0,
   "end_distance_m": 15.0,
   "start_elevation_m": 307.30965275731444,
   "end_elevation_m": 308.6252839588761,
   "min_gradient_pct": 1.040337452429867
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.206096292607754,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 9.0,
   "end_distance_m": 19.0,
   "start_elevation_m": 307.0615155994193,
   "end_elevation_m": 309.58212522868007,
   "min_gradient_pct": 1.1518508478150125
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.43347194581554,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7.0,
   "end_distance_m": 27.0,
   "start_elevation_m": 306.60456741808326,
   "end_elevation_m": 311.29126180724637,
   "min_gradient_pct": 2.008135682519878
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.959320975716537,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4.0,
   "end_distance_m": 29.0,
   "start_elevation_m": 305.97522901834895,
   "end_elevation_m": 311.7150592622781,
   "min_gradient_pct": 2.746629696321179
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.37603653460019,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4.0,
   "end_distance_m": 54.0,
   "start_elevation_m": 305.97522901834895,
   "end_elevation_m": 315.66324728564905,
   "min_gradient_pct": 7.182124804091359
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.03997707487042,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 305.37216713602317,
   "end_elevation_m": 323.4121442108936,
   "min_gradient_pct": 7.972445125816648
  }
 ],
 "shape": {
  "ascent_concentration": 0.368,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 113.0,
  "shape_class": "sustained"
 },
 "length_m": 349.37862952560124,
 "start_elevation_m": 305.37216713602317,
 "end_elevation_m": 351.17350762191427,
 "endpoint_gain_m": 45.8013404858911,
 "overall_gradient_pct": 13.109370927489698,
 "accumulated_ascent_m": 45.80607907602712,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.312624031232872,
   "start_distance_m": 10.0,
   "end_distance_m": 15.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 307.30965275731444,
   "end_elevation_m": 308.6252839588761,
   "start_xy": [
    582553.1679630777,
    4482546.77970269
   ],
   "end_xy": [
    582557.8964239481,
    4482548.405020443
   ]
  },
  "max_10m": {
   "gradient_pct": 25.206096292607754,
   "start_distance_m": 9.0,
   "end_distance_m": 19.0,
   "midpoint_distance_m": 14.0,
   "start_elevation_m": 307.0615155994193,
   "end_elevation_m": 309.58212522868007,
   "start_xy": [
    582552.2222709036,
    4482546.45463914
   ],
   "end_xy": [
    582561.371396764,
    4482550.299931909
   ]
  },
  "max_20m": {
   "gradient_pct": 23.43347194581554,
   "start_distance_m": 7.0,
   "end_distance_m": 27.0,
   "midpoint_distance_m": 17.0,
   "start_elevation_m": 306.60456741808326,
   "end_elevation_m": 311.29126180724637,
   "start_xy": [
    582550.3308865554,
    4482545.804512039
   ],
   "end_xy": [
    582567.8629330758,
    4482554.975395128
   ]
  },
  "max_25m": {
   "gradient_pct": 22.959320975716537,
   "start_distance_m": 4.0,
   "end_distance_m": 29.0,
   "midpoint_distance_m": 16.5,
   "start_elevation_m": 305.97522901834895,
   "end_elevation_m": 311.7150592622781,
   "start_xy": [
    582547.3710882924,
    4482545.432416807
   ],
   "end_xy": [
    582569.4858171537,
    4482556.144260933
   ]
  },
  "max_50m": {
   "gradient_pct": 19.37603653460019,
   "start_distance_m": 4.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 29.0,
   "start_elevation_m": 305.97522901834895,
   "end_elevation_m": 315.66324728564905,
   "start_xy": [
    582547.3710882924,
    4482545.432416807
   ],
   "end_xy": [
    582588.4061236441,
    4482572.4126351895
   ]
  },
  "max_100m": {
   "gradient_pct": 18.03997707487042,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 305.37216713602317,
   "end_elevation_m": 323.4121442108936,
   "start_xy": [
    582543.381,
    4482545.151
   ],
   "end_xy": [
    582622.1180556661,
    4482602.993389716
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.040337452429867,
   "start_distance_m": 108.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 110.5,
   "start_elevation_m": 323.59421667234096,
   "end_elevation_m": 323.64623354496246,
   "start_xy": [
    582626.7776840539,
    4482609.496301625
   ],
   "end_xy": [
    582629.6899517962,
    4482613.560621568
   ]
  },
  "min_10m": {
   "gradient_pct": 1.1518508478150125,
   "start_distance_m": 103.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 108.0,
   "start_elevation_m": 323.53104846018095,
   "end_elevation_m": 323.64623354496246,
   "start_xy": [
    582623.8654163115,
    4482605.431981682
   ],
   "end_xy": [
    582629.6899517962,
    4482613.560621568
   ]
  },
  "min_20m": {
   "gradient_pct": 2.008135682519878,
   "start_distance_m": 100.0,
   "end_distance_m": 120.0,
   "midpoint_distance_m": 110.0,
   "start_elevation_m": 323.4121442108936,
   "end_elevation_m": 323.81377134739756,
   "start_xy": [
    582622.1180556661,
    4482602.993389716
   ],
   "end_xy": [
    582633.515706086,
    4482619.413729544
   ]
  },
  "min_25m": {
   "gradient_pct": 2.746629696321179,
   "start_distance_m": 97.0,
   "end_distance_m": 122.0,
   "midpoint_distance_m": 109.5,
   "start_elevation_m": 323.25033072954847,
   "end_elevation_m": 323.93698815362876,
   "start_xy": [
    582620.3706950208,
    4482600.554797751
   ],
   "end_xy": [
    582634.5250011338,
    4482621.140380495
   ]
  },
  "min_50m": {
   "gradient_pct": 7.182124804091359,
   "start_distance_m": 144.0,
   "end_distance_m": 194.0,
   "midpoint_distance_m": 169.0,
   "start_elevation_m": 327.35405750834684,
   "end_elevation_m": 330.9451199103925,
   "start_xy": [
    582645.6272466598,
    4482640.133540955
   ],
   "end_xy": [
    582692.2164771165,
    4482635.192206074
   ]
  },
  "min_100m": {
   "gradient_pct": 7.972445125816648,
   "start_distance_m": 94.0,
   "end_distance_m": 194.0,
   "midpoint_distance_m": 144.0,
   "start_elevation_m": 322.9726747845759,
   "end_elevation_m": 330.9451199103925,
   "start_xy": [
    582618.6233343753,
    4482598.116205785
   ],
   "end_xy": [
    582692.2164771165,
    4482635.192206074
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.931283380542936,
   "start_distance_m": 11.0,
   "end_distance_m": 13.0,
   "midpoint_distance_m": 12.0,
   "start_elevation_m": 307.56167216279505,
   "end_elevation_m": 308.1002978304059,
   "start_xy": [
    582554.1136552518,
    4482547.104766241
   ],
   "end_xy": [
    582556.0050396,
    4482547.754893342
   ]
  },
  "max_3m": {
   "gradient_pct": 26.72461043592686,
   "start_distance_m": 11.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 307.56167216279505,
   "end_elevation_m": 308.36341047587285,
   "start_xy": [
    582554.1136552518,
    4482547.104766241
   ],
   "end_xy": [
    582556.9507317741,
    4482548.079956892
   ]
  }
 },
 "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_x58y449_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T11:15:26+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": [
   "x58y449"
  ],
  "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": "Pittsburgh",
  "county": "Pennsylvania"
 }
}