{
 "ocl_version": "0.1.0",
 "name": "Dick Morton Road",
 "slug": "dick-morton-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.92450275943895,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 429.0,
   "end_distance_m": 431.0,
   "start_elevation_m": 452.75632278755734,
   "end_elevation_m": 453.5548128427461,
   "min_gradient_pct": -0.11950540810801158
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 36.858569609984215,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 428.0,
   "end_distance_m": 431.0,
   "start_elevation_m": 452.4490557544466,
   "end_elevation_m": 453.5548128427461,
   "min_gradient_pct": 0.691265535531708
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 33.609982836172776,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 426.0,
   "end_distance_m": 431.0,
   "start_elevation_m": 451.8743137009375,
   "end_elevation_m": 453.5548128427461,
   "min_gradient_pct": 2.9547427052204966
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 31.826570089997972,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 462.0,
   "end_distance_m": 472.0,
   "start_elevation_m": 460.225561704489,
   "end_elevation_m": 463.4082187134888,
   "min_gradient_pct": 4.565621743083739
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.34015533014997,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 453.0,
   "end_distance_m": 473.0,
   "start_elevation_m": 458.1267553780724,
   "end_elevation_m": 463.5947864441024,
   "min_gradient_pct": 5.507394274767421
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.337183428441904,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 408.0,
   "end_distance_m": 433.0,
   "start_elevation_m": 447.3936375928289,
   "end_elevation_m": 453.97793344993937,
   "min_gradient_pct": 5.83473406994699
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.94393938858002,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 422.0,
   "end_distance_m": 472.0,
   "start_elevation_m": 450.9362490191988,
   "end_elevation_m": 463.4082187134888,
   "min_gradient_pct": 6.817104279848081
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.67973935816695,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 400.0,
   "end_distance_m": 500.0,
   "start_elevation_m": 445.64099507554556,
   "end_elevation_m": 468.3207344337125,
   "min_gradient_pct": 8.78987075601924
  }
 ],
 "shape": {
  "ascent_concentration": 0.34,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 530.0,
  "shape_class": "sustained"
 },
 "length_m": 1135.7907033403105,
 "start_elevation_m": 391.0656910114764,
 "end_elevation_m": 556.3643588912469,
 "endpoint_gain_m": 165.29866787977045,
 "overall_gradient_pct": 14.553620433204316,
 "accumulated_ascent_m": 165.34748237091117,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 33.609982836172776,
   "start_distance_m": 426.0,
   "end_distance_m": 431.0,
   "midpoint_distance_m": 428.5,
   "start_elevation_m": 451.8743137009375,
   "end_elevation_m": 453.5548128427461,
   "start_xy": [
    514127.3614766004,
    4726216.885952448
   ],
   "end_xy": [
    514131.4944528891,
    4726214.07196859
   ]
  },
  "max_10m": {
   "gradient_pct": 31.826570089997972,
   "start_distance_m": 462.0,
   "end_distance_m": 472.0,
   "midpoint_distance_m": 467.0,
   "start_elevation_m": 460.225561704489,
   "end_elevation_m": 463.4082187134888,
   "start_xy": [
    514157.7827742523,
    4726197.8621071335
   ],
   "end_xy": [
    514167.0730483194,
    4726194.161997979
   ]
  },
  "max_20m": {
   "gradient_pct": 27.34015533014997,
   "start_distance_m": 453.0,
   "end_distance_m": 473.0,
   "midpoint_distance_m": 463.0,
   "start_elevation_m": 458.1267553780724,
   "end_elevation_m": 463.5947864441024,
   "start_xy": [
    514149.6805445459,
    4726201.691906192
   ],
   "end_xy": [
    514168.0013134415,
    4726193.790442687
   ]
  },
  "max_25m": {
   "gradient_pct": 26.337183428441904,
   "start_distance_m": 408.0,
   "end_distance_m": 433.0,
   "midpoint_distance_m": 420.5,
   "start_elevation_m": 447.3936375928289,
   "end_elevation_m": 453.97793344993937,
   "start_xy": [
    514112.48173115164,
    4726227.014779156
   ],
   "end_xy": [
    514133.14739639865,
    4726212.946012363
   ]
  },
  "max_50m": {
   "gradient_pct": 24.94393938858002,
   "start_distance_m": 422.0,
   "end_distance_m": 472.0,
   "midpoint_distance_m": 447.0,
   "start_elevation_m": 450.9362490191988,
   "end_elevation_m": 463.4082187134888,
   "start_xy": [
    514124.0548128072,
    4726219.136723566
   ],
   "end_xy": [
    514167.0730483194,
    4726194.161997979
   ]
  },
  "max_100m": {
   "gradient_pct": 22.67973935816695,
   "start_distance_m": 400.0,
   "end_distance_m": 500.0,
   "midpoint_distance_m": 450.0,
   "start_elevation_m": 445.64099507554556,
   "end_elevation_m": 468.3207344337125,
   "start_xy": [
    514105.8687199966,
    4726231.5167867495
   ],
   "end_xy": [
    514190.8700380732,
    4726179.911322257
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.9547427052204966,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 391.0656910114764,
   "end_elevation_m": 391.21342814673744,
   "start_xy": [
    513849.608,
    4726529.537
   ],
   "end_xy": [
    513852.13785481383,
    4726525.22424762
   ]
  },
  "min_10m": {
   "gradient_pct": 4.565621743083739,
   "start_distance_m": 943.0,
   "end_distance_m": 953.0,
   "midpoint_distance_m": 948.0,
   "start_elevation_m": 532.8089830591967,
   "end_elevation_m": 533.2655452335051,
   "start_xy": [
    514605.2640572072,
    4726181.408169504
   ],
   "end_xy": [
    514614.81960083684,
    4726184.356317204
   ]
  },
  "min_20m": {
   "gradient_pct": 5.507394274767421,
   "start_distance_m": 939.0,
   "end_distance_m": 959.0,
   "midpoint_distance_m": 949.0,
   "start_elevation_m": 532.5524059413816,
   "end_elevation_m": 533.6538847963351,
   "start_xy": [
    514601.441803946,
    4726180.229026555
   ],
   "end_xy": [
    514620.55294864764,
    4726186.125135969
   ]
  },
  "min_25m": {
   "gradient_pct": 5.83473406994699,
   "start_distance_m": 934.0,
   "end_distance_m": 959.0,
   "midpoint_distance_m": 946.5,
   "start_elevation_m": 532.1952012788483,
   "end_elevation_m": 533.6538847963351,
   "start_xy": [
    514596.6642547838,
    4726178.754230536
   ],
   "end_xy": [
    514620.55294864764,
    4726186.125135969
   ]
  },
  "min_50m": {
   "gradient_pct": 6.817104279848081,
   "start_distance_m": 928.0,
   "end_distance_m": 978.0,
   "midpoint_distance_m": 953.0,
   "start_elevation_m": 531.7798887973958,
   "end_elevation_m": 535.1884409373198,
   "start_xy": [
    514590.93090727023,
    4726176.985411762
   ],
   "end_xy": [
    514638.3722398007,
    4726192.690009159
   ]
  },
  "min_100m": {
   "gradient_pct": 8.78987075601924,
   "start_distance_m": 889.0,
   "end_distance_m": 989.0,
   "midpoint_distance_m": 939.0,
   "start_elevation_m": 527.5444871656707,
   "end_elevation_m": 536.33435792169,
   "start_xy": [
    514553.66440475674,
    4726165.487256698
   ],
   "end_xy": [
    514648.6133114886,
    4726196.705037264
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.92450275943895,
   "start_distance_m": 429.0,
   "end_distance_m": 431.0,
   "midpoint_distance_m": 430.0,
   "start_elevation_m": 452.75632278755734,
   "end_elevation_m": 453.5548128427461,
   "start_xy": [
    514129.8410472929,
    4726215.197246273
   ],
   "end_xy": [
    514131.4944528891,
    4726214.07196859
   ]
  },
  "max_3m": {
   "gradient_pct": 36.858569609984215,
   "start_distance_m": 428.0,
   "end_distance_m": 431.0,
   "midpoint_distance_m": 429.5,
   "start_elevation_m": 452.4490557544466,
   "end_elevation_m": 453.5548128427461,
   "start_xy": [
    514129.01441763854,
    4726215.759992587
   ],
   "end_xy": [
    514131.4944528891,
    4726214.07196859
   ]
  }
 },
 "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": 0.824,
   "obstruction_max_height_m": 28.7,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "review": [],
  "extent": [
   "may_start_earlier",
   "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ny/USGS_one_meter_x51y473_NY_MadisonOtsegoCo_2015.tif"
  ],
  "calculated_at": "2026-09-08T19:10:08+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/new-york-2026-09-06-batch.osm.pbf",
  "osm_snapshot": "2026-09-04T20:21:21Z",
  "run_id": "retro-box-260908",
  "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, NY_MadisonOtsegoCo_2015 (collected 2015)",
  "elevation_tile_ids": [
   "x51y473"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/USGS_LPC_NY_MadisonOtsegoCo_2015_LAS_2017",
   "ept_crs": "EPSG:3857",
   "station_coverage": 0.998,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Middlefield",
  "county": "New York"
 }
}