{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.2157, 11.9131)",
 "slug": "discovered-lane-47-2157-11-9131",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 42.33502160042235,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 271.0,
   "end_distance_m": 273.0,
   "start_elevation_m": 940.0626545365751,
   "end_elevation_m": 940.9093549685836,
   "min_gradient_pct": -12.70595878719405
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 38.63181283754784,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 270.0,
   "end_distance_m": 273.0,
   "start_elevation_m": 939.7504005834571,
   "end_elevation_m": 940.9093549685836,
   "min_gradient_pct": -12.440899938618108
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 35.90939181090789,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 268.0,
   "end_distance_m": 273.0,
   "start_elevation_m": 939.1138853780382,
   "end_elevation_m": 940.9093549685836,
   "min_gradient_pct": -12.352060577072734
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 34.754437067663275,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 276.0,
   "end_distance_m": 286.0,
   "start_elevation_m": 941.6908056463142,
   "end_elevation_m": 945.1662493530805,
   "min_gradient_pct": -12.174208513913527
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 33.75250681799059,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 268.0,
   "end_distance_m": 288.0,
   "start_elevation_m": 939.1138853780382,
   "end_elevation_m": 945.8643867416363,
   "min_gradient_pct": -11.26230512965492
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 33.55818217663182,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 263.0,
   "end_distance_m": 288.0,
   "start_elevation_m": 937.4748411974783,
   "end_elevation_m": 945.8643867416363,
   "min_gradient_pct": -10.6106045484903
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 32.574677152505046,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 263.0,
   "end_distance_m": 313.0,
   "start_elevation_m": 937.4748411974783,
   "end_elevation_m": 953.7621797737308,
   "min_gradient_pct": -8.796391997540013
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 30.839436780599044,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 247.0,
   "end_distance_m": 347.0,
   "start_elevation_m": 932.8865183415492,
   "end_elevation_m": 963.7259551221482,
   "min_gradient_pct": 1.689762552253569
  }
 ],
 "shape": {
  "ascent_concentration": 0.363,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 274.0,
  "shape_class": "sustained"
 },
 "length_m": 391.8990181016907,
 "start_elevation_m": 894.8961651962499,
 "end_elevation_m": 973.7910208313097,
 "endpoint_gain_m": 78.8948556350598,
 "overall_gradient_pct": 20.131424675983244,
 "accumulated_ascent_m": 83.41374242253585,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 35.90939181090789,
   "start_distance_m": 268.0,
   "end_distance_m": 273.0,
   "midpoint_distance_m": 270.5,
   "start_elevation_m": 939.1138853780382,
   "end_elevation_m": 940.9093549685836,
   "start_xy": [
    4466003.168992624,
    2679907.355576417
   ],
   "end_xy": [
    4466004.365340273,
    2679902.5008104797
   ]
  },
  "max_10m": {
   "gradient_pct": 34.754437067663275,
   "start_distance_m": 276.0,
   "end_distance_m": 286.0,
   "midpoint_distance_m": 281.0,
   "start_elevation_m": 941.6908056463142,
   "end_elevation_m": 945.1662493530805,
   "start_xy": [
    4466005.083148861,
    2679899.5879509174
   ],
   "end_xy": [
    4466007.803428861,
    2679889.9695751755
   ]
  },
  "max_20m": {
   "gradient_pct": 33.75250681799059,
   "start_distance_m": 268.0,
   "end_distance_m": 288.0,
   "midpoint_distance_m": 278.0,
   "start_elevation_m": 939.1138853780382,
   "end_elevation_m": 945.8643867416363,
   "start_xy": [
    4466003.168992624,
    2679907.355576417
   ],
   "end_xy": [
    4466008.396740953,
    2679888.0596063896
   ]
  },
  "max_25m": {
   "gradient_pct": 33.55818217663182,
   "start_distance_m": 263.0,
   "end_distance_m": 288.0,
   "midpoint_distance_m": 275.5,
   "start_elevation_m": 937.4748411974783,
   "end_elevation_m": 945.8643867416363,
   "start_xy": [
    4466001.379692604,
    2679912.014394607
   ],
   "end_xy": [
    4466008.396740953,
    2679888.0596063896
   ]
  },
  "max_50m": {
   "gradient_pct": 32.574677152505046,
   "start_distance_m": 263.0,
   "end_distance_m": 313.0,
   "midpoint_distance_m": 288.0,
   "start_elevation_m": 937.4748411974783,
   "end_elevation_m": 953.7621797737308,
   "start_xy": [
    4466001.379692604,
    2679912.014394607
   ],
   "end_xy": [
    4466015.946467859,
    2679864.2268567206
   ]
  },
  "max_100m": {
   "gradient_pct": 30.839436780599044,
   "start_distance_m": 247.0,
   "end_distance_m": 347.0,
   "midpoint_distance_m": 297.0,
   "start_elevation_m": 932.8865183415492,
   "end_elevation_m": 963.7259551221482,
   "start_xy": [
    4465992.583423605,
    2679925.1254629027
   ],
   "end_xy": [
    4466033.499467837,
    2679849.7507937406
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -12.352060577072734,
   "start_distance_m": 101.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 103.5,
   "start_elevation_m": 902.2495437536365,
   "end_elevation_m": 901.6319407247829,
   "start_xy": [
    4465982.570216335,
    2680053.1815450503
   ],
   "end_xy": [
    4465978.461161061,
    2680050.3327444685
   ]
  },
  "min_10m": {
   "gradient_pct": -12.174208513913527,
   "start_distance_m": 101.0,
   "end_distance_m": 111.0,
   "midpoint_distance_m": 106.0,
   "start_elevation_m": 902.2495437536365,
   "end_elevation_m": 901.0321229022452,
   "start_xy": [
    4465982.570216335,
    2680053.1815450503
   ],
   "end_xy": [
    4465974.352105788,
    2680047.483943886
   ]
  },
  "min_20m": {
   "gradient_pct": -11.26230512965492,
   "start_distance_m": 94.0,
   "end_distance_m": 114.0,
   "midpoint_distance_m": 104.0,
   "start_elevation_m": 902.9699559922834,
   "end_elevation_m": 900.7174949663524,
   "start_xy": [
    4465988.322893719,
    2680057.1698658653
   ],
   "end_xy": [
    4465971.886672623,
    2680045.7746635373
   ]
  },
  "min_25m": {
   "gradient_pct": -10.6106045484903,
   "start_distance_m": 90.0,
   "end_distance_m": 115.0,
   "midpoint_distance_m": 102.5,
   "start_elevation_m": 903.2884067478514,
   "end_elevation_m": 900.6357556107288,
   "start_xy": [
    4465991.610137938,
    2680059.448906331
   ],
   "end_xy": [
    4465971.064861569,
    2680045.2049034205
   ]
  },
  "min_50m": {
   "gradient_pct": -8.796391997540013,
   "start_distance_m": 67.0,
   "end_distance_m": 117.0,
   "midpoint_distance_m": 92.0,
   "start_elevation_m": 904.9226061349425,
   "end_elevation_m": 900.5244101361725,
   "start_xy": [
    4466013.500611266,
    2680062.5703932205
   ],
   "end_xy": [
    4465969.349796287,
    2680044.184457224
   ]
  },
  "min_100m": {
   "gradient_pct": 1.689762552253569,
   "start_distance_m": 29.0,
   "end_distance_m": 129.0,
   "midpoint_distance_m": 79.0,
   "start_elevation_m": 900.282211139285,
   "end_elevation_m": 901.9719736915386,
   "start_xy": [
    4466049.713033203,
    2680052.7952605644
   ],
   "end_xy": [
    4465961.51701432,
    2680035.7200044333
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 42.33502160042235,
   "start_distance_m": 271.0,
   "end_distance_m": 273.0,
   "midpoint_distance_m": 272.0,
   "start_elevation_m": 940.0626545365751,
   "end_elevation_m": 940.9093549685836,
   "start_xy": [
    4466003.886801213,
    2679904.4427168546
   ],
   "end_xy": [
    4466004.365340273,
    2679902.5008104797
   ]
  },
  "max_3m": {
   "gradient_pct": 38.63181283754784,
   "start_distance_m": 270.0,
   "end_distance_m": 273.0,
   "midpoint_distance_m": 271.5,
   "start_elevation_m": 939.7504005834571,
   "end_elevation_m": 940.9093549685836,
   "start_xy": [
    4466003.647531684,
    2679905.413670042
   ],
   "end_xy": [
    4466004.365340273,
    2679902.5008104797
   ]
  }
 },
 "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": 0.257,
   "obstruction_max_height_m": 13.62,
   "flagged_windows_m": [
    2,
    3,
    5,
    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:3035",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/at/bev-als_dtm_E4465-N2679.tif",
   "data/cache/at/bev-als_dtm_E4465-N2680.tif",
   "data/cache/at/bev-als_dtm_E4466-N2679.tif",
   "data/cache/at/bev-als_dtm_E4466-N2680.tif"
  ],
  "calculated_at": "2026-09-11T15:55:52+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/austria-2026-09-11-batch.osm.pbf",
  "osm_snapshot": "",
  "run_id": "at-run2-260911",
  "elevation_provider": "BEV ALS DTM 1 m",
  "elevation_licence": "Creative Commons Attribution 4.0 (CC BY 4.0) \u2014 \u00a9 BEV / L\u00e4nder, data.gv.at",
  "elevation_dataset": "ALS DTM H\u00f6henraster 1 m (Bundesamt f\u00fcr Eich- und Vermessungswesen with the L\u00e4nder), EPSG:3035",
  "elevation_tile_ids": [
   "E4465-N2679",
   "E4465-N2680",
   "E4466-N2679",
   "E4466-N2680"
  ],
  "elevation_blocks": [
   "N2650000E4450000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Hainzenberg",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}