{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (50.5160, -4.7890)",
 "slug": "discovered-lane-50-5160-4-7890",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 41.31369059724275,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 178.0,
   "end_distance_m": 180.0,
   "start_elevation_m": 29.693641877004794,
   "end_elevation_m": 30.51991568894965,
   "min_gradient_pct": -21.480635400412496,
   "suppressed_max_gradient_pct": 96.57155840766069,
   "suppressed_location_m": [
    142.0,
    144.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 40.10668878567299,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 178.0,
   "end_distance_m": 181.0,
   "start_elevation_m": 29.693641877004794,
   "end_elevation_m": 30.896842540574983,
   "min_gradient_pct": -19.49942812212176,
   "suppressed_max_gradient_pct": 85.6596416165504,
   "suppressed_location_m": [
    141.0,
    144.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 35.337503805798676,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 177.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 29.39001697008373,
   "end_elevation_m": 31.156892160373665,
   "min_gradient_pct": -17.457630241221036,
   "suppressed_max_gradient_pct": 62.45181937210034,
   "suppressed_location_m": [
    141.0,
    146.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.78294165348667,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 172.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 28.478597995024998,
   "end_elevation_m": 31.156892160373665,
   "min_gradient_pct": -9.789660648397236,
   "suppressed_max_gradient_pct": 46.61600939622371,
   "suppressed_location_m": [
    141.0,
    151.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.561848857152818,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 162.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 26.644522388943102,
   "end_elevation_m": 31.156892160373665,
   "min_gradient_pct": 1.2400254001746092,
   "suppressed_max_gradient_pct": 33.592345272648174,
   "suppressed_location_m": [
    134.0,
    154.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.364079106670545,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 167.0,
   "end_distance_m": 192.0,
   "start_elevation_m": 27.289153260893116,
   "end_elevation_m": 32.38017303756075,
   "min_gradient_pct": 1.7734376456818666,
   "suppressed_max_gradient_pct": 29.93846483313557,
   "suppressed_location_m": [
    129.0,
    154.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.309191743114795,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 147.0,
   "end_distance_m": 197.0,
   "start_elevation_m": 23.665116246181235,
   "end_elevation_m": 32.31971211773863,
   "min_gradient_pct": 4.319990595983111,
   "suppressed_max_gradient_pct": 24.666668795959502,
   "suppressed_location_m": [
    132.0,
    182.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.91716943485575,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 147.0,
   "end_distance_m": 247.0,
   "start_elevation_m": 23.665116246181235,
   "end_elevation_m": 36.582285681036986,
   "min_gradient_pct": 6.998118948706135,
   "suppressed_max_gradient_pct": 18.91006459574509,
   "suppressed_location_m": [
    93.0,
    193.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.379,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 85.0,
  "shape_class": "sustained"
 },
 "length_m": 534.6867275268937,
 "start_elevation_m": 7.11851548697494,
 "end_elevation_m": 62.483712249813166,
 "endpoint_gain_m": 55.365196762838224,
 "overall_gradient_pct": 10.354698164833998,
 "accumulated_ascent_m": 59.78370698147003,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 35.337503805798676,
   "start_distance_m": 177.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 179.5,
   "start_elevation_m": 29.39001697008373,
   "end_elevation_m": 31.156892160373665,
   "start_xy": [
    202180.5301664121,
    72424.53291183873
   ],
   "end_xy": [
    202178.90200082562,
    72419.8054318411
   ]
  },
  "max_10m": {
   "gradient_pct": 26.78294165348667,
   "start_distance_m": 172.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 177.0,
   "start_elevation_m": 28.478597995024998,
   "end_elevation_m": 31.156892160373665,
   "start_xy": [
    202183.27330074407,
    72428.69139308427
   ],
   "end_xy": [
    202178.90200082562,
    72419.8054318411
   ]
  },
  "max_20m": {
   "gradient_pct": 22.561848857152818,
   "start_distance_m": 162.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 172.0,
   "start_elevation_m": 26.644522388943102,
   "end_elevation_m": 31.156892160373665,
   "start_xy": [
    202189.2015378383,
    72436.7447149407
   ],
   "end_xy": [
    202178.90200082562,
    72419.8054318411
   ]
  },
  "max_25m": {
   "gradient_pct": 20.364079106670545,
   "start_distance_m": 167.0,
   "end_distance_m": 192.0,
   "midpoint_distance_m": 179.5,
   "start_elevation_m": 27.289153260893116,
   "end_elevation_m": 32.38017303756075,
   "start_xy": [
    202186.23718047873,
    72432.71822982356
   ],
   "end_xy": [
    202175.64600055173,
    72410.3503574292
   ]
  },
  "max_50m": {
   "gradient_pct": 17.309191743114795,
   "start_distance_m": 147.0,
   "end_distance_m": 197.0,
   "midpoint_distance_m": 172.0,
   "start_elevation_m": 23.665116246181235,
   "end_elevation_m": 32.31971211773863,
   "start_xy": [
    202196.37082124717,
    72449.7988625124
   ],
   "end_xy": [
    202174.01812037066,
    72405.62277837512
   ]
  },
  "max_100m": {
   "gradient_pct": 12.91716943485575,
   "start_distance_m": 147.0,
   "end_distance_m": 247.0,
   "midpoint_distance_m": 197.0,
   "start_elevation_m": 23.665116246181235,
   "end_elevation_m": 36.582285681036986,
   "start_xy": [
    202196.37082124717,
    72449.7988625124
   ],
   "end_xy": [
    202175.5219985774,
    72357.2427734776
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -17.457630241221036,
   "start_distance_m": 6.0,
   "end_distance_m": 11.0,
   "midpoint_distance_m": 8.5,
   "start_elevation_m": 7.064589511096861,
   "end_elevation_m": 6.191707999035809,
   "start_xy": [
    202064.31694022613,
    72467.74904529915
   ],
   "end_xy": [
    202068.30237153725,
    72464.7297184335
   ]
  },
  "min_10m": {
   "gradient_pct": -9.789660648397236,
   "start_distance_m": 1.0,
   "end_distance_m": 11.0,
   "midpoint_distance_m": 6.0,
   "start_elevation_m": 7.170674063875532,
   "end_elevation_m": 6.191707999035809,
   "start_xy": [
    202060.3319900377,
    72470.76900754985
   ],
   "end_xy": [
    202068.30237153725,
    72464.7297184335
   ]
  },
  "min_20m": {
   "gradient_pct": 1.2400254001746092,
   "start_distance_m": 193.0,
   "end_distance_m": 213.0,
   "midpoint_distance_m": 203.0,
   "start_elevation_m": 32.51675402992791,
   "end_elevation_m": 32.76475910996283,
   "start_xy": [
    202175.32023751133,
    72409.40490599444
   ],
   "end_xy": [
    202169.87484917746,
    72390.199858098
   ]
  },
  "min_25m": {
   "gradient_pct": 1.7734376456818666,
   "start_distance_m": 193.0,
   "end_distance_m": 218.0,
   "midpoint_distance_m": 205.5,
   "start_elevation_m": 32.51675402992791,
   "end_elevation_m": 32.960113441348376,
   "start_xy": [
    202175.32023751133,
    72409.40490599444
   ],
   "end_xy": [
    202168.90793096667,
    72385.2958695547
   ]
  },
  "min_50m": {
   "gradient_pct": 4.319990595983111,
   "start_distance_m": 15.0,
   "end_distance_m": 65.0,
   "midpoint_distance_m": 40.0,
   "start_elevation_m": 8.292850850910305,
   "end_elevation_m": 10.45284614890186,
   "start_xy": [
    202071.8528949664,
    72463.17294260736
   ],
   "end_xy": [
    202120.66764186203,
    72468.4150060712
   ]
  },
  "min_100m": {
   "gradient_pct": 6.998118948706135,
   "start_distance_m": 434.0,
   "end_distance_m": 534.0,
   "midpoint_distance_m": 484.0,
   "start_elevation_m": 55.462782266156566,
   "end_elevation_m": 62.4609012148627,
   "start_xy": [
    202305.36572909312,
    72229.94698002814
   ],
   "end_xy": [
    202391.31706081136,
    72179.38851325355
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 41.31369059724275,
   "start_distance_m": 178.0,
   "end_distance_m": 180.0,
   "midpoint_distance_m": 179.0,
   "start_elevation_m": 29.693641877004794,
   "end_elevation_m": 30.51991568894965,
   "start_xy": [
    202180.20414067272,
    72423.58755100427
   ],
   "end_xy": [
    202179.55311497292,
    72421.6964761981
   ]
  },
  "max_3m": {
   "gradient_pct": 40.10668878567299,
   "start_distance_m": 178.0,
   "end_distance_m": 181.0,
   "midpoint_distance_m": 179.5,
   "start_elevation_m": 29.693641877004794,
   "end_elevation_m": 30.896842540574983,
   "start_xy": [
    202180.20414067272,
    72423.58755100427
   ],
   "end_xy": [
    202179.22811482238,
    72420.75076229185
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.092,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.181,
   "obstruction_max_height_m": 8.43,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    28.0
   ],
   [
    139.0,
    146.0
   ],
   [
    270.0,
    275.0
   ],
   [
    327.0,
    332.0
   ]
  ],
  "review": [
   "short_window_divergence"
  ],
  "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:27700",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/england/bulk_dtm_1m/SX0070.tif"
  ],
  "calculated_at": "2026-09-12T01:38:35+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-uk-england/batch-england-rchunk00.pbf",
  "osm_snapshot": "",
  "run_id": "texture-uk-england-260912",
  "elevation_provider": "Environment Agency",
  "elevation_dataset": "EA LIDAR Composite DTM 1m (2022)",
  "elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Environment Agency",
  "elevation_coverage_id": "13787b9a-26a4-4775-8523-806d13af58fc__Lidar_Composite_Elevation_DTM_1m",
  "elevation_tile_ids": [
   "SX0070.tif"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sladesbridge",
  "county": "Cornwall"
 }
}