{
 "ocl_version": "0.1.0",
 "name": "Clare Valley Road",
 "slug": "clare-valley-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.356900076411875,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 3632.0,
   "end_distance_m": 3634.0,
   "start_elevation_m": 654.6553605784626,
   "end_elevation_m": 655.2824985799908,
   "min_gradient_pct": -58.743920011056616,
   "suppressed_max_gradient_pct": 76.48086119765196,
   "suppressed_location_m": [
    603.0,
    605.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.480876411127912,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 3631.0,
   "end_distance_m": 3634.0,
   "start_elevation_m": 654.518072287657,
   "end_elevation_m": 655.2824985799908,
   "min_gradient_pct": -45.32085431802102,
   "suppressed_max_gradient_pct": 59.039791225459716,
   "suppressed_location_m": [
    603.0,
    606.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.4957920572524,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 3593.0,
   "end_distance_m": 3598.0,
   "start_elevation_m": 647.6570229536155,
   "end_elevation_m": 648.7818125564781,
   "min_gradient_pct": -27.232239086681602,
   "suppressed_max_gradient_pct": 37.31772714470708,
   "suppressed_location_m": [
    602.0,
    607.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.97372200282075,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 3589.0,
   "end_distance_m": 3599.0,
   "start_elevation_m": 646.8050572880077,
   "end_elevation_m": 649.0024294882897,
   "min_gradient_pct": -12.388629074213213
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.697018354352053,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 3579.0,
   "end_distance_m": 3599.0,
   "start_elevation_m": 644.6630258174193,
   "end_elevation_m": 649.0024294882897,
   "min_gradient_pct": -3.7868679822602758
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.591421720380822,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 3576.0,
   "end_distance_m": 3601.0,
   "start_elevation_m": 644.0154636943473,
   "end_elevation_m": 649.4133191244425,
   "min_gradient_pct": -2.241382890103978
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.418202856359358,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 3565.0,
   "end_distance_m": 3615.0,
   "start_elevation_m": 641.9609665393066,
   "end_elevation_m": 652.1700679674863,
   "min_gradient_pct": -0.9482887864603526
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.612169338886588,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 3534.0,
   "end_distance_m": 3634.0,
   "start_elevation_m": 636.6703292411042,
   "end_elevation_m": 655.2824985799908,
   "min_gradient_pct": 0.7544356948935729
  }
 ],
 "shape": {
  "ascent_concentration": 0.424,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 175.0,
  "shape_class": "sustained"
 },
 "length_m": 3660.999999999977,
 "start_elevation_m": 476.4734501126344,
 "end_elevation_m": 656.4449793872839,
 "endpoint_gain_m": 179.97152927464947,
 "overall_gradient_pct": 4.915911752926813,
 "accumulated_ascent_m": 183.15307624747896,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.4957920572524,
   "start_distance_m": 3593.0,
   "end_distance_m": 3598.0,
   "midpoint_distance_m": 3595.5,
   "start_elevation_m": 647.6570229536155,
   "end_elevation_m": 648.7818125564781,
   "start_xy": [
    699465.1766390838,
    4683746.327207424
   ],
   "end_xy": [
    699460.2056749931,
    4683746.865274343
   ]
  },
  "max_10m": {
   "gradient_pct": 21.97372200282075,
   "start_distance_m": 3589.0,
   "end_distance_m": 3599.0,
   "midpoint_distance_m": 3594.0,
   "start_elevation_m": 646.8050572880077,
   "end_elevation_m": 649.0024294882897,
   "start_xy": [
    699469.1534103563,
    4683745.896753888
   ],
   "end_xy": [
    699459.211482175,
    4683746.9728877265
   ]
  },
  "max_20m": {
   "gradient_pct": 21.697018354352053,
   "start_distance_m": 3579.0,
   "end_distance_m": 3599.0,
   "midpoint_distance_m": 3589.0,
   "start_elevation_m": 644.6630258174193,
   "end_elevation_m": 649.0024294882897,
   "start_xy": [
    699479.0953385375,
    4683744.820620049
   ],
   "end_xy": [
    699459.211482175,
    4683746.9728877265
   ]
  },
  "max_25m": {
   "gradient_pct": 21.591421720380822,
   "start_distance_m": 3576.0,
   "end_distance_m": 3601.0,
   "midpoint_distance_m": 3588.5,
   "start_elevation_m": 644.0154636943473,
   "end_elevation_m": 649.4133191244425,
   "start_xy": [
    699482.0779169918,
    4683744.497779897
   ],
   "end_xy": [
    699457.2230965388,
    4683747.188114495
   ]
  },
  "max_50m": {
   "gradient_pct": 20.418202856359358,
   "start_distance_m": 3565.0,
   "end_distance_m": 3615.0,
   "midpoint_distance_m": 3590.0,
   "start_elevation_m": 641.9609665393066,
   "end_elevation_m": 652.1700679674863,
   "start_xy": [
    699493.0131939806,
    4683743.30769747
   ],
   "end_xy": [
    699443.3043970851,
    4683748.694701869
   ]
  },
  "max_100m": {
   "gradient_pct": 18.612169338886588,
   "start_distance_m": 3534.0,
   "end_distance_m": 3634.0,
   "midpoint_distance_m": 3584.0,
   "start_elevation_m": 636.6703292411042,
   "end_elevation_m": 655.2824985799908,
   "start_xy": [
    699523.631584287,
    4683738.45855579
   ],
   "end_xy": [
    699424.4147335407,
    4683750.739356164
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -27.232239086681602,
   "start_distance_m": 595.0,
   "end_distance_m": 600.0,
   "midpoint_distance_m": 597.5,
   "start_elevation_m": 492.64161073363096,
   "end_elevation_m": 491.2799987792969,
   "start_xy": [
    699992.1338506924,
    4680895.418662166
   ],
   "end_xy": [
    699989.8269527559,
    4680899.854676358
   ]
  },
  "min_10m": {
   "gradient_pct": -12.388629074213213,
   "start_distance_m": 593.0,
   "end_distance_m": 603.0,
   "midpoint_distance_m": 598.0,
   "start_elevation_m": 492.5608159183813,
   "end_elevation_m": 491.32195301096,
   "start_xy": [
    699993.056609867,
    4680893.644256489
   ],
   "end_xy": [
    699988.442813994,
    4680902.516284874
   ]
  },
  "min_20m": {
   "gradient_pct": -3.7868679822602758,
   "start_distance_m": 582.0,
   "end_distance_m": 602.0,
   "midpoint_distance_m": 592.0,
   "start_elevation_m": 492.03737941687797,
   "end_elevation_m": 491.2800058204259,
   "start_xy": [
    699998.1317853273,
    4680883.8850252675
   ],
   "end_xy": [
    699988.9041935813,
    4680901.629082035
   ]
  },
  "min_25m": {
   "gradient_pct": -2.241382890103978,
   "start_distance_m": 577.0,
   "end_distance_m": 602.0,
   "midpoint_distance_m": 589.5,
   "start_elevation_m": 491.8403515429519,
   "end_elevation_m": 491.2800058204259,
   "start_xy": [
    700000.4386832638,
    4680879.449011075
   ],
   "end_xy": [
    699988.9041935813,
    4680901.629082035
   ]
  },
  "min_50m": {
   "gradient_pct": -0.9482887864603526,
   "start_distance_m": 1349.0,
   "end_distance_m": 1399.0,
   "midpoint_distance_m": 1374.0,
   "start_elevation_m": 517.1719872819709,
   "end_elevation_m": 516.6978428887408,
   "start_xy": [
    699775.5779871552,
    4681613.312154443
   ],
   "end_xy": [
    699759.8171081002,
    4681660.657446597
   ]
  },
  "min_100m": {
   "gradient_pct": 0.7544356948935729,
   "start_distance_m": 1340.0,
   "end_distance_m": 1440.0,
   "midpoint_distance_m": 1390.0,
   "start_elevation_m": 517.0133422692381,
   "end_elevation_m": 517.7677779641317,
   "start_xy": [
    699779.391747322,
    4681605.160146507
   ],
   "end_xy": [
    699750.0593859352,
    4681700.470523007
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.356900076411875,
   "start_distance_m": 3632.0,
   "end_distance_m": 3634.0,
   "midpoint_distance_m": 3633.0,
   "start_elevation_m": 654.6553605784626,
   "end_elevation_m": 655.2824985799908,
   "start_xy": [
    699426.403119177,
    4683750.524129396
   ],
   "end_xy": [
    699424.4147335407,
    4683750.739356164
   ]
  },
  "max_3m": {
   "gradient_pct": 25.480876411127912,
   "start_distance_m": 3631.0,
   "end_distance_m": 3634.0,
   "midpoint_distance_m": 3632.5,
   "start_elevation_m": 654.518072287657,
   "end_elevation_m": 655.2824985799908,
   "start_xy": [
    699427.3973119952,
    4683750.416516012
   ],
   "end_xy": [
    699424.4147335407,
    4683750.739356164
   ]
  }
 },
 "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": 0.004,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.273,
   "obstruction_max_height_m": 31.13,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    594.0,
    599.0
   ],
   [
    601.0,
    607.0
   ]
  ],
  "review": [],
  "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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ny-west/USGS_one_meter_x69y469_NY_Southwest_B2_2017.tif",
   "data/cache/usa/ny-west/USGS_one_meter_x70y469_NY_Southwest_B2_2017.tif"
  ],
  "calculated_at": "2026-09-06T17:16:29+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": "ny-run3-260906",
  "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_Southwest_B2_2017 (collected 2017)",
  "elevation_tile_ids": [
   "x69y469",
   "x70y469"
  ],
  "route_summit_trim_m": 436.2,
  "route_summit_trim_loss_m": 46.1,
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NY_Southwest_B2_2017",
   "ept_crs": "EPSG:3857",
   "station_coverage": 0.989,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Humphrey",
  "county": "New York"
 }
}