{
 "ocl_version": "0.1.0",
 "name": "Benz Road",
 "slug": "benz-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.228372817629975,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 156.0,
   "end_distance_m": 158.0,
   "start_elevation_m": 178.19684520993164,
   "end_elevation_m": 178.72141266628424,
   "min_gradient_pct": -5.329872346662512
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.030892110159698,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 155.0,
   "end_distance_m": 158.0,
   "start_elevation_m": 177.94048590297945,
   "end_elevation_m": 178.72141266628424,
   "min_gradient_pct": -4.891069921564887
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.286388762307865,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 154.0,
   "end_distance_m": 159.0,
   "start_elevation_m": 177.68927751239085,
   "end_elevation_m": 178.95359695050624,
   "min_gradient_pct": -4.334321041482099
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.808405354237436,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 155.0,
   "end_distance_m": 165.0,
   "start_elevation_m": 177.94048590297945,
   "end_elevation_m": 180.3213264384032,
   "min_gradient_pct": -3.8970113115573213
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.84257641147647,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 153.0,
   "end_distance_m": 173.0,
   "start_elevation_m": 177.46340751088715,
   "end_elevation_m": 182.03192279318245,
   "min_gradient_pct": -3.0305022548957083
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.632065023344808,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 153.0,
   "end_distance_m": 178.0,
   "start_elevation_m": 177.46340751088715,
   "end_elevation_m": 183.12142376672335,
   "min_gradient_pct": -2.8388299471447453
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.493378440655874,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 144.0,
   "end_distance_m": 194.0,
   "start_elevation_m": 175.65874265397645,
   "end_elevation_m": 186.40543187430438,
   "min_gradient_pct": -0.9647928615561341
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.99887724787743,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 142.0,
   "end_distance_m": 242.0,
   "start_elevation_m": 175.2679047154321,
   "end_elevation_m": 196.26678196330954,
   "min_gradient_pct": 5.9874361573441774
  }
 ],
 "shape": {
  "ascent_concentration": 0.424,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 213.0,
  "shape_class": "sustained"
 },
 "length_m": 594.5596907259496,
 "start_elevation_m": 156.93592389360614,
 "end_elevation_m": 224.23015323891323,
 "endpoint_gain_m": 67.29422934530709,
 "overall_gradient_pct": 11.318330252617985,
 "accumulated_ascent_m": 68.41470704251532,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.286388762307865,
   "start_distance_m": 154.0,
   "end_distance_m": 159.0,
   "midpoint_distance_m": 156.5,
   "start_elevation_m": 177.68927751239085,
   "end_elevation_m": 178.95359695050624,
   "start_xy": [
    284964.14864580345,
    4833331.339086427
   ],
   "end_xy": [
    284962.45366754464,
    4833336.0430260785
   ]
  },
  "max_10m": {
   "gradient_pct": 23.808405354237436,
   "start_distance_m": 155.0,
   "end_distance_m": 165.0,
   "midpoint_distance_m": 160.0,
   "start_elevation_m": 177.94048590297945,
   "end_elevation_m": 180.3213264384032,
   "start_xy": [
    284963.8097139221,
    4833332.279897343
   ],
   "end_xy": [
    284960.419526621,
    4833341.687690931
   ]
  },
  "max_20m": {
   "gradient_pct": 22.84257641147647,
   "start_distance_m": 153.0,
   "end_distance_m": 173.0,
   "midpoint_distance_m": 163.0,
   "start_elevation_m": 177.46340751088715,
   "end_elevation_m": 182.03192279318245,
   "start_xy": [
    284964.4878926733,
    4833330.398389048
   ],
   "end_xy": [
    284957.00036844803,
    4833348.916585275
   ]
  },
  "max_25m": {
   "gradient_pct": 22.632065023344808,
   "start_distance_m": 153.0,
   "end_distance_m": 178.0,
   "midpoint_distance_m": 165.5,
   "start_elevation_m": 177.46340751088715,
   "end_elevation_m": 183.12142376672335,
   "start_xy": [
    284964.4878926733,
    4833330.398389048
   ],
   "end_xy": [
    284954.8144387027,
    4833353.413440746
   ]
  },
  "max_50m": {
   "gradient_pct": 21.493378440655874,
   "start_distance_m": 144.0,
   "end_distance_m": 194.0,
   "midpoint_distance_m": 169.0,
   "start_elevation_m": 175.65874265397645,
   "end_elevation_m": 186.40543187430438,
   "start_xy": [
    284967.53771704633,
    4833321.9308886705
   ],
   "end_xy": [
    284947.8190806107,
    4833367.803190962
   ]
  },
  "max_100m": {
   "gradient_pct": 20.99887724787743,
   "start_distance_m": 142.0,
   "end_distance_m": 242.0,
   "midpoint_distance_m": 192.0,
   "start_elevation_m": 175.2679047154321,
   "end_elevation_m": 196.26678196330954,
   "start_xy": [
    284968.2158996607,
    4833320.049381767
   ],
   "end_xy": [
    284926.0007856262,
    4833410.47448484
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.334321041482099,
   "start_distance_m": 589.0,
   "end_distance_m": 594.0,
   "midpoint_distance_m": 591.5,
   "start_elevation_m": 224.4785613372452,
   "end_elevation_m": 224.2618452851711,
   "start_xy": [
    284635.08045350463,
    4833569.434725476
   ],
   "end_xy": [
    284630.08155673486,
    4833569.539753809
   ]
  },
  "min_10m": {
   "gradient_pct": -3.8970113115573213,
   "start_distance_m": 583.0,
   "end_distance_m": 593.0,
   "midpoint_distance_m": 588.0,
   "start_elevation_m": 224.69110434210728,
   "end_elevation_m": 224.30140321095155,
   "start_xy": [
    284641.07913007494,
    4833569.3087119805
   ],
   "end_xy": [
    284631.081335654,
    4833569.518727952
   ]
  },
  "min_20m": {
   "gradient_pct": -3.0305022548957083,
   "start_distance_m": 557.0,
   "end_distance_m": 577.0,
   "midpoint_distance_m": 567.0,
   "start_elevation_m": 225.34163626550742,
   "end_elevation_m": 224.73553581452828,
   "start_xy": [
    284667.0733752386,
    4833568.76172712
   ],
   "end_xy": [
    284647.07780705637,
    4833569.182718052
   ]
  },
  "min_25m": {
   "gradient_pct": -2.8388299471447453,
   "start_distance_m": 568.0,
   "end_distance_m": 593.0,
   "midpoint_distance_m": 580.5,
   "start_elevation_m": 225.01111069773773,
   "end_elevation_m": 224.30140321095155,
   "start_xy": [
    284656.0758008187,
    4833568.9927181825
   ],
   "end_xy": [
    284631.081335654,
    4833569.518727952
   ]
  },
  "min_50m": {
   "gradient_pct": -0.9647928615561341,
   "start_distance_m": 544.0,
   "end_distance_m": 594.0,
   "midpoint_distance_m": 569.0,
   "start_elevation_m": 224.74424171594916,
   "end_elevation_m": 224.2618452851711,
   "start_xy": [
    284680.0704868729,
    4833568.487724775
   ],
   "end_xy": [
    284630.08155673486,
    4833569.539753809
   ]
  },
  "min_100m": {
   "gradient_pct": 5.9874361573441774,
   "start_distance_m": 386.0,
   "end_distance_m": 486.0,
   "midpoint_distance_m": 436.0,
   "start_elevation_m": 211.230405679954,
   "end_elevation_m": 217.21784183729818,
   "start_xy": [
    284822.4671674074,
    4833510.457163914
   ],
   "end_xy": [
    284736.742728416,
    4833559.96715847
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.228372817629975,
   "start_distance_m": 156.0,
   "end_distance_m": 158.0,
   "midpoint_distance_m": 157.0,
   "start_elevation_m": 178.19684520993164,
   "end_elevation_m": 178.72141266628424,
   "start_xy": [
    284963.4707820404,
    4833333.220708259
   ],
   "end_xy": [
    284962.7929144347,
    4833335.1023287065
   ]
  },
  "max_3m": {
   "gradient_pct": 26.030892110159698,
   "start_distance_m": 155.0,
   "end_distance_m": 158.0,
   "midpoint_distance_m": 156.5,
   "start_elevation_m": 177.94048590297945,
   "end_elevation_m": 178.72141266628424,
   "start_xy": [
    284963.8097139221,
    4833332.279897343
   ],
   "end_xy": [
    284962.7929144347,
    4833335.1023287065
   ]
  }
 },
 "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": 0.505,
   "obstruction_max_height_m": 28.96,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/nh/USGS_one_meter_x28y484_NH_CT_RiverNorthL6_2015.tif"
  ],
  "calculated_at": "2026-09-03T12:53:04+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/benz-road/benz-road.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, NH_CT_RiverNorthL6_2015 (collected 2015)",
  "elevation_tile_ids": [
   "x28y484"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/USGS_LPC_CT_River_Lot6_Winnipesaulee_2015_LAS_2017",
   "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": "Bristol",
  "county": "New Hampshire"
 }
}