{
 "ocl_version": "0.1.0",
 "name": "Maple Street",
 "slug": "maple-street-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.559296722594468,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 265.0,
   "end_distance_m": 267.0,
   "start_elevation_m": 141.33140527743583,
   "end_elevation_m": 141.76259121188772,
   "min_gradient_pct": -1.7984152599140657
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.40170296890176,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 264.0,
   "end_distance_m": 267.0,
   "start_elevation_m": 141.12054012282067,
   "end_elevation_m": 141.76259121188772,
   "min_gradient_pct": -1.4098052457200083
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.104268094816803,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 263.0,
   "end_distance_m": 268.0,
   "start_elevation_m": 140.91431928700328,
   "end_elevation_m": 141.96953269174412,
   "min_gradient_pct": -0.9652150840634022
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.80423391166704,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 259.0,
   "end_distance_m": 269.0,
   "start_elevation_m": 140.08958123293218,
   "end_elevation_m": 142.17000462409888,
   "min_gradient_pct": -0.15161684286766786
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.358058213838035,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 259.0,
   "end_distance_m": 279.0,
   "start_elevation_m": 140.08958123293218,
   "end_elevation_m": 144.16119287569978,
   "min_gradient_pct": 0.43942266158197185
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.3831946032484,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 259.0,
   "end_distance_m": 284.0,
   "start_elevation_m": 140.08958123293218,
   "end_elevation_m": 145.18537988374428,
   "min_gradient_pct": 0.7216165347271044
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.468630292759997,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 252.0,
   "end_distance_m": 302.0,
   "start_elevation_m": 138.79356331421667,
   "end_elevation_m": 148.52787846059667,
   "min_gradient_pct": 1.2639246563213078
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.373549940217288,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 245.0,
   "end_distance_m": 345.0,
   "start_elevation_m": 137.70542475254086,
   "end_elevation_m": 155.07897469275815,
   "min_gradient_pct": 1.6328799172655408
  }
 ],
 "shape": {
  "ascent_concentration": 0.606,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 116.0,
  "shape_class": "stepped"
 },
 "length_m": 671.1985740379664,
 "start_elevation_m": 132.94928349716292,
 "end_elevation_m": 168.18289223294002,
 "endpoint_gain_m": 35.233608735777096,
 "overall_gradient_pct": 5.249356911444228,
 "accumulated_ascent_m": 35.32401204965501,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.104268094816803,
   "start_distance_m": 263.0,
   "end_distance_m": 268.0,
   "midpoint_distance_m": 265.5,
   "start_elevation_m": 140.91431928700328,
   "end_elevation_m": 141.96953269174412,
   "start_xy": [
    408326.3313476079,
    4766626.354425049
   ],
   "end_xy": [
    408326.47642173694,
    4766621.356530143
   ]
  },
  "max_10m": {
   "gradient_pct": 20.80423391166704,
   "start_distance_m": 259.0,
   "end_distance_m": 269.0,
   "midpoint_distance_m": 264.0,
   "start_elevation_m": 140.08958123293218,
   "end_elevation_m": 142.17000462409888,
   "start_xy": [
    408326.20426493435,
    4766630.352372905
   ],
   "end_xy": [
    408326.50543656276,
    4766620.356951161
   ]
  },
  "max_20m": {
   "gradient_pct": 20.358058213838035,
   "start_distance_m": 259.0,
   "end_distance_m": 279.0,
   "midpoint_distance_m": 269.0,
   "start_elevation_m": 140.08958123293218,
   "end_elevation_m": 144.16119287569978,
   "start_xy": [
    408326.20426493435,
    4766630.352372905
   ],
   "end_xy": [
    408326.79558482097,
    4766610.361161348
   ]
  },
  "max_25m": {
   "gradient_pct": 20.3831946032484,
   "start_distance_m": 259.0,
   "end_distance_m": 284.0,
   "midpoint_distance_m": 271.5,
   "start_elevation_m": 140.08958123293218,
   "end_elevation_m": 145.18537988374428,
   "start_xy": [
    408326.20426493435,
    4766630.352372905
   ],
   "end_xy": [
    408327.11962660035,
    4766605.372000541
   ]
  },
  "max_50m": {
   "gradient_pct": 19.468630292759997,
   "start_distance_m": 252.0,
   "end_distance_m": 302.0,
   "midpoint_distance_m": 277.0,
   "start_elevation_m": 138.79356331421667,
   "end_elevation_m": 148.52787846059667,
   "start_xy": [
    408325.9401754607,
    4766637.347389471
   ],
   "end_xy": [
    408328.3518252517,
    4766587.414225442
   ]
  },
  "max_100m": {
   "gradient_pct": 17.373549940217288,
   "start_distance_m": 245.0,
   "end_distance_m": 345.0,
   "midpoint_distance_m": 295.0,
   "start_elevation_m": 137.70542475254086,
   "end_elevation_m": 155.07897469275815,
   "start_xy": [
    408325.6739013944,
    4766644.342322928
   ],
   "end_xy": [
    408331.2948374608,
    4766544.51505671
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.9652150840634022,
   "start_distance_m": 91.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 93.5,
   "start_elevation_m": 134.65730146537342,
   "end_elevation_m": 134.60904071117025,
   "start_xy": [
    408327.7054606478,
    4766798.262854514
   ],
   "end_xy": [
    408327.5713898889,
    4766793.264681054
   ]
  },
  "min_10m": {
   "gradient_pct": -0.15161684286766786,
   "start_distance_m": 90.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 95.0,
   "start_elevation_m": 134.6520139728506,
   "end_elevation_m": 134.63685228856383,
   "start_xy": [
    408327.71655123367,
    4766799.262793011
   ],
   "end_xy": [
    408327.4598597128,
    4766789.266236378
   ]
  },
  "min_20m": {
   "gradient_pct": 0.43942266158197185,
   "start_distance_m": 86.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 96.0,
   "start_elevation_m": 134.6062069041508,
   "end_elevation_m": 134.6940914364672,
   "start_xy": [
    408327.76091357705,
    4766803.262547001
   ],
   "end_xy": [
    408327.2912458067,
    4766783.268606067
   ]
  },
  "min_25m": {
   "gradient_pct": 0.7216165347271044,
   "start_distance_m": 85.0,
   "end_distance_m": 110.0,
   "midpoint_distance_m": 97.5,
   "start_elevation_m": 134.59002736362373,
   "end_elevation_m": 134.7704314973055,
   "start_xy": [
    408327.7720041629,
    4766804.262485499
   ],
   "end_xy": [
    408327.17883653595,
    4766779.270185859
   ]
  },
  "min_50m": {
   "gradient_pct": 1.2639246563213078,
   "start_distance_m": 57.0,
   "end_distance_m": 107.0,
   "midpoint_distance_m": 82.0,
   "start_elevation_m": 134.07757754337726,
   "end_elevation_m": 134.7095398715379,
   "start_xy": [
    408328.0814603458,
    4766832.260775386
   ],
   "end_xy": [
    408327.263143489,
    4766782.2690010145
   ]
  },
  "min_100m": {
   "gradient_pct": 1.6328799172655408,
   "start_distance_m": 52.0,
   "end_distance_m": 152.0,
   "midpoint_distance_m": 102.0,
   "start_elevation_m": 133.97818612302615,
   "end_elevation_m": 135.6110660402917,
   "start_xy": [
    408328.13668424217,
    4766837.26047041
   ],
   "end_xy": [
    408325.9985391932,
    4766737.286773681
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.559296722594468,
   "start_distance_m": 265.0,
   "end_distance_m": 267.0,
   "midpoint_distance_m": 266.0,
   "start_elevation_m": 141.33140527743583,
   "end_elevation_m": 141.76259121188772,
   "start_xy": [
    408326.38937725953,
    4766624.355267087
   ],
   "end_xy": [
    408326.4474069111,
    4766622.356109124
   ]
  },
  "max_3m": {
   "gradient_pct": 21.40170296890176,
   "start_distance_m": 264.0,
   "end_distance_m": 267.0,
   "midpoint_distance_m": 265.5,
   "start_elevation_m": 141.12054012282067,
   "end_elevation_m": 141.76259121188772,
   "start_xy": [
    408326.3603624337,
    4766625.354846068
   ],
   "end_xy": [
    408326.4474069111,
    4766622.356109124
   ]
  }
 },
 "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": 0.156,
   "obstruction_max_height_m": 21.04,
   "flagged_windows_m": [
    50,
    100
   ]
  },
  "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ny/USGS_1M_18_x40y477_NY_FEMAR2_Central_2018_D19.tif"
  ],
  "calculated_at": "2026-09-06T13:06:35+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_FEMAR2_Central_2018_D19 (collected 2018)",
  "elevation_tile_ids": [
   "x40y477"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NY_FEMAR2_Central_3_2018",
   "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": "Syracuse",
  "county": "New York"
 }
}