{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8802, 13.0725)",
 "slug": "discovered-lane-46-8802-13-0725",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 36.62729369369799,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1104.0,
   "end_distance_m": 1106.0,
   "start_elevation_m": 1179.4663116678528,
   "end_elevation_m": 1180.1988575417267,
   "min_gradient_pct": -16.932577083639444
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 36.46446766288894,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1104.0,
   "end_distance_m": 1107.0,
   "start_elevation_m": 1179.4663116678528,
   "end_elevation_m": 1180.5602456977394,
   "min_gradient_pct": -16.091003499703522
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 35.268567377352156,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1102.0,
   "end_distance_m": 1107.0,
   "start_elevation_m": 1178.7968173288718,
   "end_elevation_m": 1180.5602456977394,
   "min_gradient_pct": -13.697705886411313
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 33.295496376219944,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1101.0,
   "end_distance_m": 1111.0,
   "start_elevation_m": 1178.473836150912,
   "end_elevation_m": 1181.803385788534,
   "min_gradient_pct": -8.745459242791185
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 31.969464372737093,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1093.0,
   "end_distance_m": 1113.0,
   "start_elevation_m": 1175.9840924965736,
   "end_elevation_m": 1182.377985371121,
   "min_gradient_pct": -8.080970679006896
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 31.602321087595556,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1094.0,
   "end_distance_m": 1119.0,
   "start_elevation_m": 1176.2650265661264,
   "end_elevation_m": 1184.1656068380253,
   "min_gradient_pct": -7.8062851648846845
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 30.08918927805007,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1093.0,
   "end_distance_m": 1143.0,
   "start_elevation_m": 1175.9840924965736,
   "end_elevation_m": 1191.0286871355986,
   "min_gradient_pct": -5.220208670389184
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 29.35190425645328,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1093.0,
   "end_distance_m": 1193.0,
   "start_elevation_m": 1175.9840924965736,
   "end_elevation_m": 1205.3359967530268,
   "min_gradient_pct": -0.8282352334895222
  }
 ],
 "shape": {
  "ascent_concentration": 0.425,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 452.0,
  "shape_class": "sustained"
 },
 "length_m": 1361.8991383725395,
 "start_elevation_m": 1033.0671606293097,
 "end_elevation_m": 1235.5424605908095,
 "endpoint_gain_m": 202.4752999614998,
 "overall_gradient_pct": 14.867128868548695,
 "accumulated_ascent_m": 207.2176639942245,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 35.268567377352156,
   "start_distance_m": 1102.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1104.5,
   "start_elevation_m": 1178.7968173288718,
   "end_elevation_m": 1180.5602456977394,
   "start_xy": [
    4555507.518754894,
    2645237.387128823
   ],
   "end_xy": [
    4555510.957886934,
    2645233.7577527324
   ]
  },
  "max_10m": {
   "gradient_pct": 33.295496376219944,
   "start_distance_m": 1101.0,
   "end_distance_m": 1111.0,
   "midpoint_distance_m": 1106.0,
   "start_elevation_m": 1178.473836150912,
   "end_elevation_m": 1181.803385788534,
   "start_xy": [
    4555506.830928486,
    2645238.1130040414
   ],
   "end_xy": [
    4555513.709192567,
    2645230.8542518597
   ]
  },
  "max_20m": {
   "gradient_pct": 31.969464372737093,
   "start_distance_m": 1093.0,
   "end_distance_m": 1113.0,
   "midpoint_distance_m": 1103.0,
   "start_elevation_m": 1175.9840924965736,
   "end_elevation_m": 1182.377985371121,
   "start_xy": [
    4555501.328317221,
    2645243.920005786
   ],
   "end_xy": [
    4555515.084845383,
    2645229.4025014234
   ]
  },
  "max_25m": {
   "gradient_pct": 31.602321087595556,
   "start_distance_m": 1094.0,
   "end_distance_m": 1119.0,
   "midpoint_distance_m": 1106.5,
   "start_elevation_m": 1176.2650265661264,
   "end_elevation_m": 1184.1656068380253,
   "start_xy": [
    4555502.016143629,
    2645243.1941305683
   ],
   "end_xy": [
    4555519.211803832,
    2645225.047250115
   ]
  },
  "max_50m": {
   "gradient_pct": 30.08918927805007,
   "start_distance_m": 1093.0,
   "end_distance_m": 1143.0,
   "midpoint_distance_m": 1118.0,
   "start_elevation_m": 1175.9840924965736,
   "end_elevation_m": 1191.0286871355986,
   "start_xy": [
    4555501.328317221,
    2645243.920005786
   ],
   "end_xy": [
    4555533.72135489,
    2645205.999544075
   ]
  },
  "max_100m": {
   "gradient_pct": 29.35190425645328,
   "start_distance_m": 1093.0,
   "end_distance_m": 1193.0,
   "midpoint_distance_m": 1143.0,
   "start_elevation_m": 1175.9840924965736,
   "end_elevation_m": 1205.3359967530268,
   "start_xy": [
    4555501.328317221,
    2645243.920005786
   ],
   "end_xy": [
    4555562.125024835,
    2645164.852170299
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.697705886411313,
   "start_distance_m": 1328.0,
   "end_distance_m": 1333.0,
   "midpoint_distance_m": 1330.5,
   "start_elevation_m": 1232.988075071552,
   "end_elevation_m": 1232.3031897772314,
   "start_xy": [
    4555620.85096812,
    2645065.604702259
   ],
   "end_xy": [
    4555615.901584487,
    2645066.3143512313
   ]
  },
  "min_10m": {
   "gradient_pct": -8.745459242791185,
   "start_distance_m": 692.0,
   "end_distance_m": 702.0,
   "midpoint_distance_m": 697.0,
   "start_elevation_m": 1104.8888711982515,
   "end_elevation_m": 1104.0143252739724,
   "start_xy": [
    4555306.422474871,
    2645523.7273438834
   ],
   "end_xy": [
    4555306.578911659,
    2645513.7285675816
   ]
  },
  "min_20m": {
   "gradient_pct": -8.080970679006896,
   "start_distance_m": 688.0,
   "end_distance_m": 708.0,
   "midpoint_distance_m": 698.0,
   "start_elevation_m": 1105.183916118771,
   "end_elevation_m": 1103.5677219829697,
   "start_xy": [
    4555306.637504938,
    2645527.711104576
   ],
   "end_xy": [
    4555306.672773732,
    2645507.7293018005
   ]
  },
  "min_25m": {
   "gradient_pct": -7.8062851648846845,
   "start_distance_m": 688.0,
   "end_distance_m": 713.0,
   "midpoint_distance_m": 700.5,
   "start_elevation_m": 1105.183916118771,
   "end_elevation_m": 1103.23234482755,
   "start_xy": [
    4555306.637504938,
    2645527.711104576
   ],
   "end_xy": [
    4555306.750992126,
    2645502.7299136496
   ]
  },
  "min_50m": {
   "gradient_pct": -5.220208670389184,
   "start_distance_m": 686.0,
   "end_distance_m": 736.0,
   "midpoint_distance_m": 711.0,
   "start_elevation_m": 1105.2295530045426,
   "end_elevation_m": 1102.619448669348,
   "start_xy": [
    4555306.894774565,
    2645529.6944886385
   ],
   "end_xy": [
    4555303.026489957,
    2645480.590125337
   ]
  },
  "min_100m": {
   "gradient_pct": -0.8282352334895222,
   "start_distance_m": 666.0,
   "end_distance_m": 766.0,
   "midpoint_distance_m": 716.0,
   "start_elevation_m": 1104.0674918441043,
   "end_elevation_m": 1103.2392566106148,
   "start_xy": [
    4555314.710624234,
    2645547.8992442656
   ],
   "end_xy": [
    4555289.876834033,
    2645458.367593393
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 36.62729369369799,
   "start_distance_m": 1104.0,
   "end_distance_m": 1106.0,
   "midpoint_distance_m": 1105.0,
   "start_elevation_m": 1179.4663116678528,
   "end_elevation_m": 1180.1988575417267,
   "start_xy": [
    4555508.89440771,
    2645235.9353783866
   ],
   "end_xy": [
    4555510.270060526,
    2645234.4836279503
   ]
  },
  "max_3m": {
   "gradient_pct": 36.46446766288894,
   "start_distance_m": 1104.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1105.5,
   "start_elevation_m": 1179.4663116678528,
   "end_elevation_m": 1180.5602456977394,
   "start_xy": [
    4555508.89440771,
    2645235.9353783866
   ],
   "end_xy": [
    4555510.957886934,
    2645233.7577527324
   ]
  }
 },
 "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": 0.054,
   "obstruction_max_height_m": 16.37,
   "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:3035",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/at/bev-als_dtm_E4555-N2645.tif"
  ],
  "calculated_at": "2026-09-12T23:43:53+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-at-run4-260912.osm.pbf",
  "osm_snapshot": "",
  "run_id": "at-run4-260912",
  "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": [
   "E4555-N2645"
  ],
  "elevation_blocks": [
   "N2600000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Stall",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}