{
 "ocl_version": "0.1.0",
 "name": "Wallace Hill Road",
 "slug": "wallace-hill-road-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.052582825735612,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1041.0,
   "end_distance_m": 1043.0,
   "start_elevation_m": 394.1095530655763,
   "end_elevation_m": 394.570604722091,
   "min_gradient_pct": -19.659231466798133
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.79515029910984,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1041.0,
   "end_distance_m": 1044.0,
   "start_elevation_m": 394.1095530655763,
   "end_elevation_m": 394.7334075745496,
   "min_gradient_pct": -15.845501276364379
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 18.65267650222222,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1221.0,
   "end_distance_m": 1226.0,
   "start_elevation_m": 420.52307343593236,
   "end_elevation_m": 421.4557072610435,
   "min_gradient_pct": -8.661921713825222
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 18.20574567809672,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1207.0,
   "end_distance_m": 1217.0,
   "start_elevation_m": 418.00817718604543,
   "end_elevation_m": 419.8287517538551,
   "min_gradient_pct": -3.8489151852621717
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.033268612268216,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1206.0,
   "end_distance_m": 1226.0,
   "start_elevation_m": 417.8490535385898,
   "end_elevation_m": 421.4557072610435,
   "min_gradient_pct": -3.3419068536920804
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.97143882617138,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1206.0,
   "end_distance_m": 1231.0,
   "start_elevation_m": 417.8490535385898,
   "end_elevation_m": 422.3419132451327,
   "min_gradient_pct": -3.283584498241453
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.907788325857496,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1187.0,
   "end_distance_m": 1237.0,
   "start_elevation_m": 414.87017725769147,
   "end_elevation_m": 423.3240714206202,
   "min_gradient_pct": -2.5020420526633416
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.706605967984729,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 958.0,
   "end_distance_m": 1058.0,
   "start_elevation_m": 381.0837388332858,
   "end_elevation_m": 396.7903448012705,
   "min_gradient_pct": -0.6080838596266176
  }
 ],
 "shape": {
  "ascent_concentration": 0.364,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 533.0,
  "shape_class": "sustained"
 },
 "length_m": 2183.6253484774447,
 "start_elevation_m": 286.4264758071257,
 "end_elevation_m": 493.59980571410864,
 "endpoint_gain_m": 207.17332990698293,
 "overall_gradient_pct": 9.487585865012818,
 "accumulated_ascent_m": 209.17335747940012,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 18.65267650222222,
   "start_distance_m": 1221.0,
   "end_distance_m": 1226.0,
   "midpoint_distance_m": 1223.5,
   "start_elevation_m": 420.52307343593236,
   "end_elevation_m": 421.4557072610435,
   "start_xy": [
    281198.34482987947,
    4901976.3456818815
   ],
   "end_xy": [
    281201.1867179543,
    4901980.4595199935
   ]
  },
  "max_10m": {
   "gradient_pct": 18.20574567809672,
   "start_distance_m": 1207.0,
   "end_distance_m": 1217.0,
   "midpoint_distance_m": 1212.0,
   "start_elevation_m": 418.00817718604543,
   "end_elevation_m": 419.8287517538551,
   "start_xy": [
    281190.3855824287,
    4901964.828289554
   ],
   "end_xy": [
    281196.07050324837,
    4901973.0551751675
   ]
  },
  "max_20m": {
   "gradient_pct": 18.033268612268216,
   "start_distance_m": 1206.0,
   "end_distance_m": 1226.0,
   "midpoint_distance_m": 1216.0,
   "start_elevation_m": 417.8490535385898,
   "end_elevation_m": 421.4557072610435,
   "start_xy": [
    281189.81752969866,
    4901964.005297433
   ],
   "end_xy": [
    281201.1867179543,
    4901980.4595199935
   ]
  },
  "max_25m": {
   "gradient_pct": 17.97143882617138,
   "start_distance_m": 1206.0,
   "end_distance_m": 1231.0,
   "midpoint_distance_m": 1218.5,
   "start_elevation_m": 417.8490535385898,
   "end_elevation_m": 422.3419132451327,
   "start_xy": [
    281189.81752969866,
    4901964.005297433
   ],
   "end_xy": [
    281204.0297272588,
    4901984.572583687
   ]
  },
  "max_50m": {
   "gradient_pct": 16.907788325857496,
   "start_distance_m": 1187.0,
   "end_distance_m": 1237.0,
   "midpoint_distance_m": 1212.0,
   "start_elevation_m": 414.87017725769147,
   "end_elevation_m": 423.3240714206202,
   "start_xy": [
    281179.2920875269,
    4901948.199843004
   ],
   "end_xy": [
    281207.4403221493,
    4901989.508962688
   ]
  },
  "max_100m": {
   "gradient_pct": 15.706605967984729,
   "start_distance_m": 958.0,
   "end_distance_m": 1058.0,
   "midpoint_distance_m": 1008.0,
   "start_elevation_m": 381.0837388332858,
   "end_elevation_m": 396.7903448012705,
   "start_xy": [
    281131.93474126793,
    4901727.593182087
   ],
   "end_xy": [
    281148.8472531539,
    4901824.885951926
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -8.661921713825222,
   "start_distance_m": 2157.0,
   "end_distance_m": 2162.0,
   "midpoint_distance_m": 2159.5,
   "start_elevation_m": 491.52684251127937,
   "end_elevation_m": 491.0937464255881,
   "start_xy": [
    281742.2608062481,
    4902669.019189002
   ],
   "end_xy": [
    281744.0648787594,
    4902673.682376406
   ]
  },
  "min_10m": {
   "gradient_pct": -3.8489151852621717,
   "start_distance_m": 1409.0,
   "end_distance_m": 1419.0,
   "midpoint_distance_m": 1414.0,
   "start_elevation_m": 438.89728055102506,
   "end_elevation_m": 438.51238903249885,
   "start_xy": [
    281343.6509041981,
    4902091.73807796
   ],
   "end_xy": [
    281353.30438643676,
    4902094.321077365
   ]
  },
  "min_20m": {
   "gradient_pct": -3.3419068536920804,
   "start_distance_m": 1401.0,
   "end_distance_m": 1421.0,
   "midpoint_distance_m": 1411.0,
   "start_elevation_m": 439.1239619299831,
   "end_elevation_m": 438.4555805592447,
   "start_xy": [
    281336.0895947456,
    4902089.1253038915
   ],
   "end_xy": [
    281355.24762549123,
    4902094.794174117
   ]
  },
  "min_25m": {
   "gradient_pct": -3.283584498241453,
   "start_distance_m": 1406.0,
   "end_distance_m": 1431.0,
   "midpoint_distance_m": 1418.5,
   "start_elevation_m": 438.9945402742734,
   "end_elevation_m": 438.173644149713,
   "start_xy": [
    281340.8154235002,
    4902090.758257655
   ],
   "end_xy": [
    281364.9634617067,
    4902097.161134182
   ]
  },
  "min_50m": {
   "gradient_pct": -2.5020420526633416,
   "start_distance_m": 1387.0,
   "end_distance_m": 1437.0,
   "midpoint_distance_m": 1412.0,
   "start_elevation_m": 439.36370376889425,
   "end_elevation_m": 438.1126827425626,
   "start_xy": [
    281323.0583156838,
    4902084.016933798
   ],
   "end_xy": [
    281370.79302968935,
    4902098.581038143
   ]
  },
  "min_100m": {
   "gradient_pct": -0.6080838596266176,
   "start_distance_m": 1381.0,
   "end_distance_m": 1481.0,
   "midpoint_distance_m": 1431.0,
   "start_elevation_m": 439.3396509740935,
   "end_elevation_m": 438.7315671144669,
   "start_xy": [
    281317.62496446015,
    4902081.499877864
   ],
   "end_xy": [
    281412.7991711297,
    4902111.57377305
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.052582825735612,
   "start_distance_m": 1041.0,
   "end_distance_m": 1043.0,
   "midpoint_distance_m": 1042.0,
   "start_elevation_m": 394.1095530655763,
   "end_elevation_m": 394.570604722091,
   "start_xy": [
    281147.5642440388,
    4901807.934438246
   ],
   "end_xy": [
    281147.71526612085,
    4901809.928727928
   ]
  },
  "max_3m": {
   "gradient_pct": 20.79515029910984,
   "start_distance_m": 1041.0,
   "end_distance_m": 1044.0,
   "midpoint_distance_m": 1042.5,
   "start_elevation_m": 394.1095530655763,
   "end_elevation_m": 394.7334075745496,
   "start_xy": [
    281147.5642440388,
    4901807.934438246
   ],
   "end_xy": [
    281147.7912445368,
    4901810.925837376
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.016,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.192,
   "obstruction_max_height_m": 26.64,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    2150.0,
    2183.0
   ]
  ],
  "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/nh/USGS_one_meter_x28y491_NH_CT_RiverNorthL6_2015.tif"
  ],
  "calculated_at": "2026-09-03T21:51:48+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/wallace-hill-road-2/wallace-hill-road-2.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": [
   "x28y491"
  ],
  "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": 0.971,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Franconia",
  "county": "New Hampshire"
 }
}