{
 "ocl_version": "0.1.0",
 "name": "East Warren Road",
 "slug": "east-warren-road",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 17.219362482052247,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 10706.0,
   "end_distance_m": 10708.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 531.1327328943661,
   "min_gradient_pct": -16.0263318860558
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 16.67494133089349,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 10706.0,
   "end_distance_m": 10709.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 531.2885938846518,
   "min_gradient_pct": -15.773682070967729
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 16.120547953471487,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 10706.0,
   "end_distance_m": 10711.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 531.5943730423986,
   "min_gradient_pct": -15.55322162927041
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.086296300255754,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 10706.0,
   "end_distance_m": 10716.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 532.3969752747506,
   "min_gradient_pct": -15.474493680156343
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.91837334656816,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 10706.0,
   "end_distance_m": 10726.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 533.9720203140387,
   "min_gradient_pct": -15.18057478695539
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.838975456884782,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 10706.0,
   "end_distance_m": 10731.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 534.7480895089462,
   "min_gradient_pct": -15.12154098577571
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.448691697176855,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 10700.0,
   "end_distance_m": 10750.0,
   "start_elevation_m": 529.8875440666717,
   "end_elevation_m": 537.6118899152601,
   "min_gradient_pct": -14.691518394873015
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.377416863632106,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 10706.0,
   "end_distance_m": 10806.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 546.1657625083571,
   "min_gradient_pct": -13.686134052250111
  }
 ],
 "shape": {
  "ascent_concentration": 0.535,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 685.0,
  "shape_class": "stepped"
 },
 "length_m": 12560.690634559116,
 "start_elevation_m": 232.23028326096625,
 "end_elevation_m": 729.5884774997355,
 "endpoint_gain_m": 497.3581942387693,
 "overall_gradient_pct": 3.959640506313821,
 "accumulated_ascent_m": 565.2462657295769,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 16.120547953471487,
   "start_distance_m": 10706.0,
   "end_distance_m": 10711.0,
   "midpoint_distance_m": 10708.5,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 531.5943730423986,
   "start_xy": [
    675911.3554222279,
    4886308.120749028
   ],
   "end_xy": [
    675916.0904229468,
    4886309.720459943
   ]
  },
  "max_10m": {
   "gradient_pct": 16.086296300255754,
   "start_distance_m": 10706.0,
   "end_distance_m": 10716.0,
   "midpoint_distance_m": 10711.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 532.3969752747506,
   "start_xy": [
    675911.3554222279,
    4886308.120749028
   ],
   "end_xy": [
    675920.8652287252,
    4886311.204114141
   ]
  },
  "max_20m": {
   "gradient_pct": 15.91837334656816,
   "start_distance_m": 10706.0,
   "end_distance_m": 10726.0,
   "midpoint_distance_m": 10716.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 533.9720203140387,
   "start_xy": [
    675911.3554222279,
    4886308.120749028
   ],
   "end_xy": [
    675930.4538818887,
    4886314.034510007
   ]
  },
  "max_25m": {
   "gradient_pct": 15.838975456884782,
   "start_distance_m": 10706.0,
   "end_distance_m": 10731.0,
   "midpoint_distance_m": 10718.5,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 534.7480895089462,
   "start_xy": [
    675911.3554222279,
    4886308.120749028
   ],
   "end_xy": [
    675935.2930777994,
    4886315.292358543
   ]
  },
  "max_50m": {
   "gradient_pct": 15.448691697176855,
   "start_distance_m": 10700.0,
   "end_distance_m": 10750.0,
   "midpoint_distance_m": 10725.0,
   "start_elevation_m": 529.8875440666717,
   "end_elevation_m": 537.6118899152601,
   "start_xy": [
    675905.739082183,
    4886306.009653459
   ],
   "end_xy": [
    675954.0158838435,
    4886318.446994251
   ]
  },
  "max_100m": {
   "gradient_pct": 15.377416863632106,
   "start_distance_m": 10706.0,
   "end_distance_m": 10806.0,
   "midpoint_distance_m": 10756.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 546.1657625083571,
   "start_xy": [
    675911.3554222279,
    4886308.120749028
   ],
   "end_xy": [
    676009.8843391988,
    4886318.885245558
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -15.55322162927041,
   "start_distance_m": 4198.0,
   "end_distance_m": 4203.0,
   "midpoint_distance_m": 4200.5,
   "start_elevation_m": 350.4255130656845,
   "end_elevation_m": 349.647851984221,
   "start_xy": [
    675072.0396041779,
    4890947.451896541
   ],
   "end_xy": [
    675072.9790857041,
    4890942.540952186
   ]
  },
  "min_10m": {
   "gradient_pct": -15.474493680156343,
   "start_distance_m": 4197.0,
   "end_distance_m": 4207.0,
   "midpoint_distance_m": 4202.0,
   "start_elevation_m": 350.5844989027698,
   "end_elevation_m": 349.03704953475415,
   "start_xy": [
    675071.8517078727,
    4890948.434085412
   ],
   "end_xy": [
    675073.8269456846,
    4890938.634867985
   ]
  },
  "min_20m": {
   "gradient_pct": -15.18057478695539,
   "start_distance_m": 4191.0,
   "end_distance_m": 4211.0,
   "midpoint_distance_m": 4201.0,
   "start_elevation_m": 351.47781565434116,
   "end_elevation_m": 348.4417006969501,
   "start_xy": [
    675070.7243300413,
    4890954.327218639
   ],
   "end_xy": [
    675074.9074486624,
    4890934.783567774
   ]
  },
  "min_25m": {
   "gradient_pct": -15.12154098577571,
   "start_distance_m": 4186.0,
   "end_distance_m": 4211.0,
   "midpoint_distance_m": 4198.5,
   "start_elevation_m": 352.222085943394,
   "end_elevation_m": 348.4417006969501,
   "start_xy": [
    675069.7848485152,
    4890959.238162994
   ],
   "end_xy": [
    675074.9074486624,
    4890934.783567774
   ]
  },
  "min_50m": {
   "gradient_pct": -14.691518394873015,
   "start_distance_m": 4165.0,
   "end_distance_m": 4215.0,
   "midpoint_distance_m": 4190.0,
   "start_elevation_m": 355.19482991581475,
   "end_elevation_m": 347.84907071837824,
   "start_xy": [
    675066.8880718916,
    4890980.037126105
   ],
   "end_xy": [
    675075.9879516403,
    4890930.932267563
   ]
  },
  "min_100m": {
   "gradient_pct": -13.686134052250111,
   "start_distance_m": 4123.0,
   "end_distance_m": 4223.0,
   "midpoint_distance_m": 4173.0,
   "start_elevation_m": 360.48976579365063,
   "end_elevation_m": 346.8036317414005,
   "start_xy": [
    675060.4729052938,
    4891021.5403900165
   ],
   "end_xy": [
    675078.1489575959,
    4890923.229667141
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 17.219362482052247,
   "start_distance_m": 10706.0,
   "end_distance_m": 10708.0,
   "midpoint_distance_m": 10707.0,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 531.1327328943661,
   "start_xy": [
    675911.3554222279,
    4886308.120749028
   ],
   "end_xy": [
    675913.2275355761,
    4886308.824447551
   ]
  },
  "max_3m": {
   "gradient_pct": 16.67494133089349,
   "start_distance_m": 10706.0,
   "end_distance_m": 10709.0,
   "midpoint_distance_m": 10707.5,
   "start_elevation_m": 530.788345644725,
   "end_elevation_m": 531.2885938846518,
   "start_xy": [
    675911.3554222279,
    4886308.120749028
   ],
   "end_xy": [
    675914.1805006355,
    4886309.126998263
   ]
  }
 },
 "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": 0.02,
   "obstruction_max_height_m": 25.01,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/vt/USGS_1M_18_x67y489_VT_Statewide_A23.tif",
   "data/cache/usa/vt/USGS_1M_18_x67y490_VT_Statewide_A23.tif"
  ],
  "calculated_at": "2026-08-29T01:44:15+00:00",
  "road_source": "routes/east-warren-road-inv.geojson",
  "run_id": "us-reline-pub-260828",
  "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, VT_Statewide_A23 (collected 2023)",
  "elevation_tile_ids": [
   "x67y489",
   "x67y490"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/VT_Statewide_2_A23",
   "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": "Waitsfield",
  "county": "Vermont"
 }
}