{
 "ocl_version": "0.1.0",
 "name": "Gano Avenue",
 "slug": "gano-avenue",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.724463248369986,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 209.0,
   "end_distance_m": 211.0,
   "start_elevation_m": 57.80094856599792,
   "end_elevation_m": 58.25543783096532,
   "min_gradient_pct": -4.477834116351076
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.696234762214356,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 207.0,
   "end_distance_m": 210.0,
   "start_elevation_m": 57.34776420202907,
   "end_elevation_m": 58.0286512448955,
   "min_gradient_pct": -4.327998086215483
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.583480259783073,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 206.0,
   "end_distance_m": 211.0,
   "start_elevation_m": 57.12626381797617,
   "end_elevation_m": 58.25543783096532,
   "min_gradient_pct": -3.8509052544293354
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.449342076741345,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 206.0,
   "end_distance_m": 216.0,
   "start_elevation_m": 57.12626381797617,
   "end_elevation_m": 59.3711980256503,
   "min_gradient_pct": -3.054815156774282
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.869711450232607,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 201.0,
   "end_distance_m": 221.0,
   "start_elevation_m": 56.06440995983698,
   "end_elevation_m": 60.4383522498835,
   "min_gradient_pct": -2.513162536911935
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.364857994441735,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 198.0,
   "end_distance_m": 223.0,
   "start_elevation_m": 55.49270155121331,
   "end_elevation_m": 60.83391604982374,
   "min_gradient_pct": -2.2295260763690408
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.413367490032613,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 192.0,
   "end_distance_m": 242.0,
   "start_elevation_m": 54.557440237332656,
   "end_elevation_m": 63.76412398234896,
   "min_gradient_pct": -1.0414350360908742
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.205404823874822,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 123.0,
   "end_distance_m": 223.0,
   "start_elevation_m": 46.62851122594892,
   "end_elevation_m": 60.83391604982374,
   "min_gradient_pct": 1.8317017893437963
  }
 ],
 "shape": {
  "ascent_concentration": 0.444,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 72.0,
  "shape_class": "sustained"
 },
 "length_m": 266.7794243002298,
 "start_elevation_m": 41.903877566194424,
 "end_elevation_m": 66.18642044822529,
 "endpoint_gain_m": 24.282542882030867,
 "overall_gradient_pct": 9.102104836504797,
 "accumulated_ascent_m": 24.91982521685774,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.583480259783073,
   "start_distance_m": 206.0,
   "end_distance_m": 211.0,
   "midpoint_distance_m": 208.5,
   "start_elevation_m": 57.12626381797617,
   "end_elevation_m": 58.25543783096532,
   "start_xy": [
    293252.116633648,
    4636545.319876724
   ],
   "end_xy": [
    293247.37753508217,
    4636543.725844046
   ]
  },
  "max_10m": {
   "gradient_pct": 22.449342076741345,
   "start_distance_m": 206.0,
   "end_distance_m": 216.0,
   "midpoint_distance_m": 211.0,
   "start_elevation_m": 57.12626381797617,
   "end_elevation_m": 59.3711980256503,
   "start_xy": [
    293252.116633648,
    4636545.319876724
   ],
   "end_xy": [
    293242.63803320436,
    4636542.133011173
   ]
  },
  "max_20m": {
   "gradient_pct": 21.869711450232607,
   "start_distance_m": 201.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 211.0,
   "start_elevation_m": 56.06440995983698,
   "end_elevation_m": 60.4383522498835,
   "start_xy": [
    293256.85603392264,
    4636546.913011379
   ],
   "end_xy": [
    293237.8986328239,
    4636540.539876834
   ]
  },
  "max_25m": {
   "gradient_pct": 21.364857994441735,
   "start_distance_m": 198.0,
   "end_distance_m": 223.0,
   "midpoint_distance_m": 210.5,
   "start_elevation_m": 55.49270155121331,
   "end_elevation_m": 60.83391604982374,
   "start_xy": [
    293259.69997659634,
    4636547.867992149
   ],
   "end_xy": [
    293236.00277176144,
    4636539.902923198
   ]
  },
  "max_50m": {
   "gradient_pct": 18.413367490032613,
   "start_distance_m": 192.0,
   "end_distance_m": 242.0,
   "midpoint_distance_m": 217.0,
   "start_elevation_m": 54.557440237332656,
   "end_elevation_m": 63.76412398234896,
   "start_xy": [
    293265.38715682056,
    4636549.78005277
   ],
   "end_xy": [
    293217.9930486952,
    4636533.849016386
   ]
  },
  "max_100m": {
   "gradient_pct": 14.205404823874822,
   "start_distance_m": 123.0,
   "end_distance_m": 223.0,
   "midpoint_distance_m": 173.0,
   "start_elevation_m": 46.62851122594892,
   "end_elevation_m": 60.83391604982374,
   "start_xy": [
    293331.0311657582,
    4636571.036053454
   ],
   "end_xy": [
    293236.00277176144,
    4636539.902923198
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.8509052544293354,
   "start_distance_m": 6.0,
   "end_distance_m": 11.0,
   "midpoint_distance_m": 8.5,
   "start_elevation_m": 41.82159113781104,
   "end_elevation_m": 41.629045875089574,
   "start_xy": [
    293441.9044614934,
    4636608.317174539
   ],
   "end_xy": [
    293437.22905123327,
    4636606.545019452
   ]
  },
  "min_10m": {
   "gradient_pct": -3.054815156774282,
   "start_distance_m": 5.0,
   "end_distance_m": 15.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 41.84912855448455,
   "end_elevation_m": 41.54364703880712,
   "start_xy": [
    293442.83980137634,
    4636608.67092488
   ],
   "end_xy": [
    293433.4888557276,
    4636605.126945377
   ]
  },
  "min_20m": {
   "gradient_pct": -2.513162536911935,
   "start_distance_m": 5.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 15.0,
   "start_elevation_m": 41.84912855448455,
   "end_elevation_m": 41.346496047102164,
   "start_xy": [
    293442.83980137634,
    4636608.67092488
   ],
   "end_xy": [
    293424.1379097748,
    4636601.582965743
   ]
  },
  "min_25m": {
   "gradient_pct": -2.2295260763690408,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 41.903877566194424,
   "end_elevation_m": 41.346496047102164,
   "start_xy": [
    293447.516,
    4636610.441
   ],
   "end_xy": [
    293424.1379097748,
    4636601.582965743
   ]
  },
  "min_50m": {
   "gradient_pct": -1.0414350360908742,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 41.903877566194424,
   "end_elevation_m": 41.38316004814899,
   "start_xy": [
    293447.516,
    4636610.441
   ],
   "end_xy": [
    293400.501118645,
    4636593.462038386
   ]
  },
  "min_100m": {
   "gradient_pct": 1.8317017893437963,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 41.903877566194424,
   "end_elevation_m": 43.73557935553822,
   "start_xy": [
    293447.516,
    4636610.441
   ],
   "end_xy": [
    293352.91889715544,
    4636578.1019668
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.724463248369986,
   "start_distance_m": 209.0,
   "end_distance_m": 211.0,
   "midpoint_distance_m": 210.0,
   "start_elevation_m": 57.80094856599792,
   "end_elevation_m": 58.25543783096532,
   "start_xy": [
    293249.2729928026,
    4636544.363997576
   ],
   "end_xy": [
    293247.37753508217,
    4636543.725844046
   ]
  },
  "max_3m": {
   "gradient_pct": 22.696234762214356,
   "start_distance_m": 207.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 208.5,
   "start_elevation_m": 57.34776420202907,
   "end_elevation_m": 58.0286512448955,
   "start_xy": [
    293251.1688539812,
    4636545.000950865
   ],
   "end_xy": [
    293248.325314897,
    4636544.044769464
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.321,
   "obstruction_max_height_m": 21.53,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ri/USGS_1M_19_x29y464_RI_Statewide_D22.tif"
  ],
  "calculated_at": "2026-09-03T16:56:27+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/gano-avenue/gano-avenue.geojson",
  "run_id": "canopy-all-260903",
  "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, RI_Statewide_D22 (collected 2022)",
  "elevation_tile_ids": [
   "x29y464"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/RI_Statewide_1_D22",
   "ept_crs": "EPSG:3857",
   "station_coverage": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Johnston",
  "county": "Rhode Island"
 }
}