{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.9564, 16.0871)",
 "slug": "discovered-lane-47-9564-16-0871",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.932629700687812,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 163.0,
   "end_distance_m": 165.0,
   "start_elevation_m": 345.2139225071557,
   "end_elevation_m": 345.67257510116946,
   "min_gradient_pct": -3.3203980377692233
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.612234257913617,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 145.0,
   "end_distance_m": 148.0,
   "start_elevation_m": 341.49011142007,
   "end_elevation_m": 342.1684784478074,
   "min_gradient_pct": -3.2565717749074943
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.055733413110374,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 144.0,
   "end_distance_m": 149.0,
   "start_elevation_m": 341.27694412976274,
   "end_elevation_m": 342.37973080041826,
   "min_gradient_pct": -2.3518168206146584
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.594959887782466,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 162.0,
   "end_distance_m": 172.0,
   "start_elevation_m": 344.99890105327637,
   "end_elevation_m": 347.1583970420546,
   "min_gradient_pct": -1.2125621107014695
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.004641055394018,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 157.0,
   "end_distance_m": 177.0,
   "start_elevation_m": 343.97159785331996,
   "end_elevation_m": 348.17252606439877,
   "min_gradient_pct": 0.5375521513843751
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.030706925683262,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 145.0,
   "end_distance_m": 170.0,
   "start_elevation_m": 341.49011142007,
   "end_elevation_m": 346.7477881514908,
   "min_gradient_pct": 1.0961047388384486
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.567754916660192,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 132.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 338.87945206316385,
   "end_elevation_m": 349.16332952149395,
   "min_gradient_pct": 2.604849736990218
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.690714863496794,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 104.0,
   "end_distance_m": 204.0,
   "start_elevation_m": 333.42926946923285,
   "end_elevation_m": 353.11998433272964,
   "min_gradient_pct": 6.555358452302983
  }
 ],
 "shape": {
  "ascent_concentration": 0.449,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 198.0,
  "shape_class": "sustained"
 },
 "length_m": 486.12489442891564,
 "start_elevation_m": 325.3706702699293,
 "end_elevation_m": 377.42508361738436,
 "endpoint_gain_m": 52.05441334745507,
 "overall_gradient_pct": 10.708032841767334,
 "accumulated_ascent_m": 52.19700646116098,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.055733413110374,
   "start_distance_m": 144.0,
   "end_distance_m": 149.0,
   "midpoint_distance_m": 146.5,
   "start_elevation_m": 341.27694412976274,
   "end_elevation_m": 342.37973080041826,
   "start_xy": [
    4775425.517105482,
    2779171.689133012
   ],
   "end_xy": [
    4775421.609892726,
    2779168.5692470395
   ]
  },
  "max_10m": {
   "gradient_pct": 21.594959887782466,
   "start_distance_m": 162.0,
   "end_distance_m": 172.0,
   "midpoint_distance_m": 167.0,
   "start_elevation_m": 344.99890105327637,
   "end_elevation_m": 347.1583970420546,
   "start_xy": [
    4775412.213097864,
    2779159.658070396
   ],
   "end_xy": [
    4775405.706852922,
    2779152.0716299294
   ]
  },
  "max_20m": {
   "gradient_pct": 21.004641055394018,
   "start_distance_m": 157.0,
   "end_distance_m": 177.0,
   "midpoint_distance_m": 167.0,
   "start_elevation_m": 343.97159785331996,
   "end_elevation_m": 348.17252606439877,
   "start_xy": [
    4775415.51702442,
    2779163.410945202
   ],
   "end_xy": [
    4775402.799856729,
    2779148.003537854
   ]
  },
  "max_25m": {
   "gradient_pct": 21.030706925683262,
   "start_distance_m": 145.0,
   "end_distance_m": 170.0,
   "midpoint_distance_m": 157.5,
   "start_elevation_m": 341.49011142007,
   "end_elevation_m": 346.7477881514908,
   "start_xy": [
    4775424.735662931,
    2779171.0651558177
   ],
   "end_xy": [
    4775406.926815373,
    2779153.653470707
   ]
  },
  "max_50m": {
   "gradient_pct": 20.567754916660192,
   "start_distance_m": 132.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 157.0,
   "start_elevation_m": 338.87945206316385,
   "end_elevation_m": 349.16332952149395,
   "start_xy": [
    4775435.89650189,
    2779177.7027749973
   ],
   "end_xy": [
    4775399.8928605355,
    2779143.9354457785
   ]
  },
  "max_100m": {
   "gradient_pct": 19.690714863496794,
   "start_distance_m": 104.0,
   "end_distance_m": 204.0,
   "midpoint_distance_m": 154.0,
   "start_elevation_m": 333.42926946923285,
   "end_elevation_m": 353.11998433272964,
   "start_xy": [
    4775461.270654452,
    2779189.501954111
   ],
   "end_xy": [
    4775387.102077286,
    2779126.0358406478
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.3518168206146584,
   "start_distance_m": 5.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 7.5,
   "start_elevation_m": 325.4694762990143,
   "end_elevation_m": 325.35188545798354,
   "start_xy": [
    4775514.626145573,
    2779264.9401816083
   ],
   "end_xy": [
    4775512.775291148,
    2779260.295363216
   ]
  },
  "min_10m": {
   "gradient_pct": -1.2125621107014695,
   "start_distance_m": 5.0,
   "end_distance_m": 15.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 325.4694762990143,
   "end_elevation_m": 325.3482200879441,
   "start_xy": [
    4775514.626145573,
    2779264.9401816083
   ],
   "end_xy": [
    4775510.924436721,
    2779255.6505448245
   ]
  },
  "min_20m": {
   "gradient_pct": 0.5375521513843751,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 325.3706702699293,
   "end_elevation_m": 325.47818070020617,
   "start_xy": [
    4775516.477,
    2779269.585
   ],
   "end_xy": [
    4775509.073582294,
    2779251.005726433
   ]
  },
  "min_25m": {
   "gradient_pct": 1.0961047388384486,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 325.3706702699293,
   "end_elevation_m": 325.6446964546389,
   "start_xy": [
    4775516.477,
    2779269.585
   ],
   "end_xy": [
    4775507.222727869,
    2779246.3609080412
   ]
  },
  "min_50m": {
   "gradient_pct": 2.604849736990218,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 325.3706702699293,
   "end_elevation_m": 326.6730951384244,
   "start_xy": [
    4775516.477,
    2779269.585
   ],
   "end_xy": [
    4775499.745392872,
    2779222.5337617304
   ]
  },
  "min_100m": {
   "gradient_pct": 6.555358452302983,
   "start_distance_m": 321.0,
   "end_distance_m": 421.0,
   "midpoint_distance_m": 371.0,
   "start_elevation_m": 365.25627102002056,
   "end_elevation_m": 371.81162947232355,
   "start_xy": [
    4775307.571980789,
    2779040.3330309354
   ],
   "end_xy": [
    4775239.9447210925,
    2778966.707208952
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.932629700687812,
   "start_distance_m": 163.0,
   "end_distance_m": 165.0,
   "midpoint_distance_m": 164.0,
   "start_elevation_m": 345.2139225071557,
   "end_elevation_m": 345.67257510116946,
   "start_xy": [
    4775411.552312552,
    2779158.9074954353
   ],
   "end_xy": [
    4775410.230741929,
    2779157.4063455127
   ]
  },
  "max_3m": {
   "gradient_pct": 22.612234257913617,
   "start_distance_m": 145.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 146.5,
   "start_elevation_m": 341.49011142007,
   "end_elevation_m": 342.1684784478074,
   "start_xy": [
    4775424.735662931,
    2779171.0651558177
   ],
   "end_xy": [
    4775422.391335278,
    2779169.193224234
   ]
  }
 },
 "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": 0.033,
   "obstruction_max_height_m": 10.76,
   "flagged_windows_m": [
    100
   ]
  },
  "review": [],
  "extent": [
   "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_E4775-N2778.tif",
   "data/cache/at/bev-als_dtm_E4775-N2779.tif"
  ],
  "calculated_at": "2026-09-11T07:27:36+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-run1-260911",
  "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": [
   "E4775-N2778",
   "E4775-N2779"
  ],
  "elevation_blocks": [
   "N2750000E4750000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Pottenstein",
  "county": "Nieder\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}