{
 "ocl_version": "0.1.0",
 "name": "Lindridge Hill",
 "slug": "lindridge-hill",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 56.55218289912938,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 328.0,
   "end_distance_m": 330.0,
   "start_elevation_m": 33.09474521076425,
   "end_elevation_m": 34.22578886874684,
   "min_gradient_pct": -106.43096968915025,
   "suppressed_max_gradient_pct": 57.19249755297522,
   "suppressed_location_m": [
    323.0,
    325.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 56.259613689750886,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 328.0,
   "end_distance_m": 331.0,
   "start_elevation_m": 33.09474521076425,
   "end_elevation_m": 34.78253362145678,
   "min_gradient_pct": -104.4552603987815
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 55.51635081645827,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 327.0,
   "end_distance_m": 332.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 35.326262553969435,
   "min_gradient_pct": -99.23730742663864
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 54.95991296326465,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 327.0,
   "end_distance_m": 337.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 38.04643630947299,
   "min_gradient_pct": -56.43169170070631,
   "suppressed_max_gradient_pct": 55.40899968585567,
   "suppressed_location_m": [
    323.0,
    333.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 36.54770970515784,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 327.0,
   "end_distance_m": 347.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 39.85998695417809,
   "min_gradient_pct": -28.660965591978975,
   "suppressed_max_gradient_pct": 47.26463845987098,
   "suppressed_location_m": [
    322.0,
    342.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 30.7263063664679,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 327.0,
   "end_distance_m": 352.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 40.232021604763496,
   "min_gradient_pct": -23.525391912601677,
   "suppressed_max_gradient_pct": 39.162813062573775,
   "suppressed_location_m": [
    322.0,
    347.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.942628575340294,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 327.0,
   "end_distance_m": 377.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 42.02175930081667,
   "min_gradient_pct": -9.475613513507383,
   "suppressed_max_gradient_pct": 23.180205758128764,
   "suppressed_location_m": [
    322.0,
    372.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.374281895393793,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 327.0,
   "end_distance_m": 427.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 45.924726908540315,
   "min_gradient_pct": -3.298534120779962,
   "suppressed_max_gradient_pct": 15.427030140765423,
   "suppressed_location_m": [
    322.0,
    422.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.441,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 51.0,
  "shape_class": "sustained"
 },
 "length_m": 679.6908714090418,
 "start_elevation_m": 23.22266629860928,
 "end_elevation_m": 66.15596566544525,
 "endpoint_gain_m": 42.93329936683597,
 "overall_gradient_pct": 6.316592023346222,
 "accumulated_ascent_m": 51.00022638212613,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 55.51635081645827,
   "start_distance_m": 327.0,
   "end_distance_m": 332.0,
   "midpoint_distance_m": 329.5,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 35.326262553969435,
   "start_xy": [
    287218.5053490093,
    74615.99031880539
   ],
   "end_xy": [
    287223.0144674156,
    74618.15083985322
   ]
  },
  "max_10m": {
   "gradient_pct": 54.95991296326465,
   "start_distance_m": 327.0,
   "end_distance_m": 337.0,
   "midpoint_distance_m": 332.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 38.04643630947299,
   "start_xy": [
    287218.5053490093,
    74615.99031880539
   ],
   "end_xy": [
    287227.52358582185,
    74620.31136090103
   ]
  },
  "max_20m": {
   "gradient_pct": 36.54770970515784,
   "start_distance_m": 327.0,
   "end_distance_m": 347.0,
   "midpoint_distance_m": 337.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 39.85998695417809,
   "start_xy": [
    287218.5053490093,
    74615.99031880539
   ],
   "end_xy": [
    287236.54182263446,
    74624.63240299668
   ]
  },
  "max_25m": {
   "gradient_pct": 30.7263063664679,
   "start_distance_m": 327.0,
   "end_distance_m": 352.0,
   "midpoint_distance_m": 339.5,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 40.232021604763496,
   "start_xy": [
    287218.5053490093,
    74615.99031880539
   ],
   "end_xy": [
    287241.05094104074,
    74626.79292404451
   ]
  },
  "max_50m": {
   "gradient_pct": 18.942628575340294,
   "start_distance_m": 327.0,
   "end_distance_m": 377.0,
   "midpoint_distance_m": 352.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 42.02175930081667,
   "start_xy": [
    287218.5053490093,
    74615.99031880539
   ],
   "end_xy": [
    287253.6744681823,
    74606.37072268398
   ]
  },
  "max_100m": {
   "gradient_pct": 13.374281895393793,
   "start_distance_m": 327.0,
   "end_distance_m": 427.0,
   "midpoint_distance_m": 377.0,
   "start_elevation_m": 32.55044501314652,
   "end_elevation_m": 45.924726908540315,
   "start_xy": [
    287218.5053490093,
    74615.99031880539
   ],
   "end_xy": [
    287293.6505119495,
    74579.06215757481
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -99.23730742663864,
   "start_distance_m": 292.0,
   "end_distance_m": 297.0,
   "midpoint_distance_m": 294.5,
   "start_elevation_m": 35.63620999160435,
   "end_elevation_m": 30.67434462027242,
   "start_xy": [
    287186.9415201653,
    74600.86667147062
   ],
   "end_xy": [
    287191.4506385716,
    74603.02719251845
   ]
  },
  "min_10m": {
   "gradient_pct": -56.43169170070631,
   "start_distance_m": 291.0,
   "end_distance_m": 301.0,
   "midpoint_distance_m": 296.0,
   "start_elevation_m": 36.011193389697965,
   "end_elevation_m": 30.368024219627333,
   "start_xy": [
    287186.03969648405,
    74600.43456726107
   ],
   "end_xy": [
    287195.0579332966,
    74604.75560935671
   ]
  },
  "min_20m": {
   "gradient_pct": -28.660965591978975,
   "start_distance_m": 291.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 301.0,
   "start_elevation_m": 36.011193389697965,
   "end_elevation_m": 30.27900027130217,
   "start_xy": [
    287186.03969648405,
    74600.43456726107
   ],
   "end_xy": [
    287204.07617010915,
    74609.07665145236
   ]
  },
  "min_25m": {
   "gradient_pct": -23.525391912601677,
   "start_distance_m": 291.0,
   "end_distance_m": 316.0,
   "midpoint_distance_m": 303.5,
   "start_elevation_m": 36.011193389697965,
   "end_elevation_m": 30.129845411547546,
   "start_xy": [
    287186.03969648405,
    74600.43456726107
   ],
   "end_xy": [
    287208.5852885155,
    74611.23717250017
   ]
  },
  "min_50m": {
   "gradient_pct": -9.475613513507383,
   "start_distance_m": 272.0,
   "end_distance_m": 322.0,
   "midpoint_distance_m": 297.0,
   "start_elevation_m": 34.80709044528834,
   "end_elevation_m": 30.069283688534647,
   "start_xy": [
    287168.2543843568,
    74593.77541034544
   ],
   "end_xy": [
    287213.996230603,
    74613.82979775757
   ]
  },
  "min_100m": {
   "gradient_pct": -3.298534120779962,
   "start_distance_m": 222.0,
   "end_distance_m": 322.0,
   "midpoint_distance_m": 272.0,
   "start_elevation_m": 33.36781780931461,
   "end_elevation_m": 30.069283688534647,
   "start_xy": [
    287127.2196335157,
    74597.767570845
   ],
   "end_xy": [
    287213.996230603,
    74613.82979775757
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 56.55218289912938,
   "start_distance_m": 328.0,
   "end_distance_m": 330.0,
   "midpoint_distance_m": 329.0,
   "start_elevation_m": 33.09474521076425,
   "end_elevation_m": 34.22578886874684,
   "start_xy": [
    287219.40717269055,
    74616.42242301496
   ],
   "end_xy": [
    287221.21082005306,
    74617.28663143408
   ]
  },
  "max_3m": {
   "gradient_pct": 56.259613689750886,
   "start_distance_m": 328.0,
   "end_distance_m": 331.0,
   "midpoint_distance_m": 329.5,
   "start_elevation_m": 33.09474521076425,
   "end_elevation_m": 34.78253362145678,
   "start_xy": [
    287219.40717269055,
    74616.42242301496
   ],
   "end_xy": [
    287222.1126437343,
    74617.71873564365
   ]
  }
 },
 "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": 0.024,
   "windows_resited": [
    2.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.097,
   "obstruction_max_height_m": 8.08,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25
   ]
  },
  "excluded_ranges_m": [
   [
    290.0,
    299.0
   ],
   [
    321.0,
    326.0
   ]
  ],
  "review": [
   "max5_over_45",
   "max10_over_40"
  ],
  "extent": []
 },
 "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/SX8570.tif"
  ],
  "calculated_at": "2026-08-30T05:15:55+00:00",
  "road_source": "routes/lindridge-hill-trim.geojson",
  "run_id": "downe-trim-260830",
  "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": [
   "SX8570.tif"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Sandygate",
  "county": "Devon"
 }
}