{
 "ocl_version": "0.1.0",
 "name": "Rose Lane",
 "slug": "rose-lane",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.99160797094777,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 203.0,
   "end_distance_m": 205.0,
   "start_elevation_m": 246.18046228096412,
   "end_elevation_m": 246.62029444038308,
   "min_gradient_pct": 1.845932250137139
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.40224193876558,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 203.0,
   "end_distance_m": 206.0,
   "start_elevation_m": 246.18046228096412,
   "end_elevation_m": 246.8225295391271,
   "min_gradient_pct": 2.5996852260599703
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.917833128097527,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 203.0,
   "end_distance_m": 208.0,
   "start_elevation_m": 246.18046228096412,
   "end_elevation_m": 247.226353937369,
   "min_gradient_pct": 4.378963600083807
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.63793283384115,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 197.0,
   "end_distance_m": 207.0,
   "start_elevation_m": 244.95583923173515,
   "end_elevation_m": 247.01963251511927,
   "min_gradient_pct": 5.542818608451512
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.337162347652793,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 189.0,
   "end_distance_m": 209.0,
   "start_elevation_m": 243.36097815514972,
   "end_elevation_m": 247.42841062468028,
   "min_gradient_pct": 7.24233646813488
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.18892543571519,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 189.0,
   "end_distance_m": 214.0,
   "start_elevation_m": 243.36097815514972,
   "end_elevation_m": 248.40820951407852,
   "min_gradient_pct": 8.009075645421945
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.971198455625824,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 171.0,
   "end_distance_m": 221.0,
   "start_elevation_m": 240.14043593679088,
   "end_elevation_m": 249.6260351646038,
   "min_gradient_pct": 9.151460547459806
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.505607569042354,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 147.0,
   "end_distance_m": 247.0,
   "start_elevation_m": 236.7454495256236,
   "end_elevation_m": 253.25105709466595,
   "min_gradient_pct": 11.67107554635331
  }
 ],
 "shape": {
  "ascent_concentration": 0.303,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 246.0,
  "shape_class": "sustained"
 },
 "length_m": 359.6647961992754,
 "start_elevation_m": 216.37419828418052,
 "end_elevation_m": 266.5445597798192,
 "endpoint_gain_m": 50.1703614956387,
 "overall_gradient_pct": 13.949199928880828,
 "accumulated_ascent_m": 50.17437170145428,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.917833128097527,
   "start_distance_m": 203.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 205.5,
   "start_elevation_m": 246.18046228096412,
   "end_elevation_m": 247.226353937369,
   "start_xy": [
    346359.24736307387,
    4703515.951619424
   ],
   "end_xy": [
    346364.2461450947,
    4703516.061974797
   ]
  },
  "max_10m": {
   "gradient_pct": 20.63793283384115,
   "start_distance_m": 197.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 202.0,
   "start_elevation_m": 244.95583923173515,
   "end_elevation_m": 247.01963251511927,
   "start_xy": [
    346353.2488246489,
    4703515.819192976
   ],
   "end_xy": [
    346363.24638869055,
    4703516.039903723
   ]
  },
  "max_20m": {
   "gradient_pct": 20.337162347652793,
   "start_distance_m": 189.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 199.0,
   "start_elevation_m": 243.36097815514972,
   "end_elevation_m": 247.42841062468028,
   "start_xy": [
    346345.2507734156,
    4703515.642624378
   ],
   "end_xy": [
    346365.2459014988,
    4703516.084045872
   ]
  },
  "max_25m": {
   "gradient_pct": 20.18892543571519,
   "start_distance_m": 189.0,
   "end_distance_m": 214.0,
   "midpoint_distance_m": 201.5,
   "start_elevation_m": 243.36097815514972,
   "end_elevation_m": 248.40820951407852,
   "start_xy": [
    346345.2507734156,
    4703515.642624378
   ],
   "end_xy": [
    346370.24468351965,
    4703516.194401246
   ]
  },
  "max_50m": {
   "gradient_pct": 18.971198455625824,
   "start_distance_m": 171.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 196.0,
   "start_elevation_m": 240.14043593679088,
   "end_elevation_m": 249.6260351646038,
   "start_xy": [
    346327.25515814073,
    4703515.245345034
   ],
   "end_xy": [
    346377.2429783488,
    4703516.348898768
   ]
  },
  "max_100m": {
   "gradient_pct": 16.505607569042354,
   "start_distance_m": 147.0,
   "end_distance_m": 247.0,
   "midpoint_distance_m": 197.0,
   "start_elevation_m": 236.7454495256236,
   "end_elevation_m": 253.25105709466595,
   "start_xy": [
    346303.26100444084,
    4703514.715639241
   ],
   "end_xy": [
    346403.236644857,
    4703516.9227467105
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 4.378963600083807,
   "start_distance_m": 354.0,
   "end_distance_m": 359.0,
   "midpoint_distance_m": 356.5,
   "start_elevation_m": 266.3296218056306,
   "end_elevation_m": 266.5485699856348,
   "start_xy": [
    346509.7341449745,
    4703526.623010986
   ],
   "end_xy": [
    346514.69359526,
    4703527.258505176
   ]
  },
  "min_10m": {
   "gradient_pct": 5.542818608451512,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 216.37419828418052,
   "end_elevation_m": 216.92848014502567,
   "start_xy": [
    346165.876,
    4703533.988
   ],
   "end_xy": [
    346171.3530863152,
    4703525.621308569
   ]
  },
  "min_20m": {
   "gradient_pct": 7.24233646813488,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 216.37419828418052,
   "end_elevation_m": 217.8226655778075,
   "start_xy": [
    346165.876,
    4703533.988
   ],
   "end_xy": [
    346178.06723153364,
    4703518.271890007
   ]
  },
  "min_25m": {
   "gradient_pct": 8.009075645421945,
   "start_distance_m": 256.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 268.5,
   "start_elevation_m": 254.24160780640563,
   "end_elevation_m": 256.2438767177611,
   "start_xy": [
    346412.2344524944,
    4703517.121386383
   ],
   "end_xy": [
    346437.1615881457,
    4703518.830901185
   ]
  },
  "min_50m": {
   "gradient_pct": 9.151460547459806,
   "start_distance_m": 248.0,
   "end_distance_m": 298.0,
   "midpoint_distance_m": 273.0,
   "start_elevation_m": 253.3759227720529,
   "end_elevation_m": 257.9516530457828,
   "start_xy": [
    346404.2364012611,
    4703516.944817785
   ],
   "end_xy": [
    346454.08788320917,
    4703520.412209323
   ]
  },
  "min_100m": {
   "gradient_pct": 11.67107554635331,
   "start_distance_m": 219.0,
   "end_distance_m": 319.0,
   "midpoint_distance_m": 269.0,
   "start_elevation_m": 249.29317910683207,
   "end_elevation_m": 260.9642546531854,
   "start_xy": [
    346375.24346554046,
    4703516.304756619
   ],
   "end_xy": [
    346474.99683593464,
    4703522.365589962
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.99160797094777,
   "start_distance_m": 203.0,
   "end_distance_m": 205.0,
   "midpoint_distance_m": 204.0,
   "start_elevation_m": 246.18046228096412,
   "end_elevation_m": 246.62029444038308,
   "start_xy": [
    346359.24736307387,
    4703515.951619424
   ],
   "end_xy": [
    346361.2468758822,
    4703515.995761573
   ]
  },
  "max_3m": {
   "gradient_pct": 21.40224193876558,
   "start_distance_m": 203.0,
   "end_distance_m": 206.0,
   "midpoint_distance_m": 204.5,
   "start_elevation_m": 246.18046228096412,
   "end_elevation_m": 246.8225295391271,
   "start_xy": [
    346359.24736307387,
    4703515.951619424
   ],
   "end_xy": [
    346362.24663228635,
    4703516.017832648
   ]
  }
 },
 "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": 0.014,
   "obstruction_max_height_m": 8.79,
   "flagged_windows_m": []
  },
  "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_1M_18_x34y471_NY_FingerLakes_2020_A20.tif"
  ],
  "calculated_at": "2026-09-06T11:47:48+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-band1.osm.pbf",
  "osm_snapshot": "",
  "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_FingerLakes_2020_A20 (collected 2020)",
  "elevation_tile_ids": [
   "x34y471"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NY_FingerLakes_1_2020",
   "ept_crs": "EPSG:3857",
   "station_coverage": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Hector",
  "county": "New York"
 }
}