{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (48.3580, 15.3652)",
 "slug": "discovered-lane-48-3580-15-3652",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 43.60898693941522,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 54.0,
   "end_distance_m": 56.0,
   "start_elevation_m": 300.08829769931134,
   "end_elevation_m": 300.96047743809964,
   "min_gradient_pct": -42.68019883288616,
   "suppressed_max_gradient_pct": 136.74966947058067,
   "suppressed_location_m": [
    10.0,
    12.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 35.00334043240135,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 53.0,
   "end_distance_m": 56.0,
   "start_elevation_m": 299.9103772251276,
   "end_elevation_m": 300.96047743809964,
   "min_gradient_pct": -31.22195693604226,
   "suppressed_max_gradient_pct": 119.21513210836186,
   "suppressed_location_m": [
    9.0,
    12.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 30.626777219354153,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 52.0,
   "end_distance_m": 57.0,
   "start_elevation_m": 299.56457571439694,
   "end_elevation_m": 301.09591457536465,
   "min_gradient_pct": -22.242681859177083,
   "suppressed_max_gradient_pct": 86.9946194313377,
   "suppressed_location_m": [
    8.0,
    13.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.566424724930926,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 47.0,
   "end_distance_m": 57.0,
   "start_elevation_m": 298.23927210287155,
   "end_elevation_m": 301.09591457536465,
   "min_gradient_pct": 3.0982630162571922,
   "suppressed_max_gradient_pct": 48.736643352698366,
   "suppressed_location_m": [
    7.0,
    17.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.50477797466141,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 47.0,
   "end_distance_m": 67.0,
   "start_elevation_m": 298.23927210287155,
   "end_elevation_m": 302.94022769780383,
   "min_gradient_pct": 8.214967232603954,
   "suppressed_max_gradient_pct": 29.313199479410343,
   "suppressed_location_m": [
    6.0,
    26.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.825878105981474,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 49.0,
   "end_distance_m": 74.0,
   "start_elevation_m": 298.7328110558681,
   "end_elevation_m": 304.4392805823635,
   "min_gradient_pct": 8.757266199612332,
   "suppressed_max_gradient_pct": 25.25264742786203,
   "suppressed_location_m": [
    5.0,
    30.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.46413776671818,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 47.0,
   "end_distance_m": 97.0,
   "start_elevation_m": 298.23927210287155,
   "end_elevation_m": 308.47134098623064,
   "min_gradient_pct": 12.579635824024194,
   "suppressed_max_gradient_pct": 22.32205073007094,
   "suppressed_location_m": [
    8.0,
    58.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.222227299028305,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 35.0,
   "end_distance_m": 135.0,
   "start_elevation_m": 296.35595472073044,
   "end_elevation_m": 315.57818201975874,
   "min_gradient_pct": 15.578962702281274,
   "suppressed_max_gradient_pct": 20.49313365875912,
   "suppressed_location_m": [
    8.0,
    108.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.316,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 207.0,
  "shape_class": "sustained"
 },
 "length_m": 244.59955076786093,
 "start_elevation_m": 291.01501750234524,
 "end_elevation_m": 332.14664426549797,
 "endpoint_gain_m": 41.131626763152724,
 "overall_gradient_pct": 16.815904458544573,
 "accumulated_ascent_m": 42.5651473915475,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 30.626777219354153,
   "start_distance_m": 52.0,
   "end_distance_m": 57.0,
   "midpoint_distance_m": 54.5,
   "start_elevation_m": 299.56457571439694,
   "end_elevation_m": 301.09591457536465,
   "start_xy": [
    4718433.995747016,
    2819425.232327998
   ],
   "end_xy": [
    4718431.904100786,
    2819420.6908507
   ]
  },
  "max_10m": {
   "gradient_pct": 28.566424724930926,
   "start_distance_m": 47.0,
   "end_distance_m": 57.0,
   "midpoint_distance_m": 52.0,
   "start_elevation_m": 298.23927210287155,
   "end_elevation_m": 301.09591457536465,
   "start_xy": [
    4718436.087393245,
    2819429.7738052965
   ],
   "end_xy": [
    4718431.904100786,
    2819420.6908507
   ]
  },
  "max_20m": {
   "gradient_pct": 23.50477797466141,
   "start_distance_m": 47.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 57.0,
   "start_elevation_m": 298.23927210287155,
   "end_elevation_m": 302.94022769780383,
   "start_xy": [
    4718436.087393245,
    2819429.7738052965
   ],
   "end_xy": [
    4718427.032494418,
    2819411.9588938197
   ]
  },
  "max_25m": {
   "gradient_pct": 22.825878105981474,
   "start_distance_m": 49.0,
   "end_distance_m": 74.0,
   "midpoint_distance_m": 61.5,
   "start_elevation_m": 298.7328110558681,
   "end_elevation_m": 304.4392805823635,
   "start_xy": [
    4718435.250734753,
    2819427.9572143774
   ],
   "end_xy": [
    4718423.416258582,
    2819405.9683512007
   ]
  },
  "max_50m": {
   "gradient_pct": 20.46413776671818,
   "start_distance_m": 47.0,
   "end_distance_m": 97.0,
   "midpoint_distance_m": 72.0,
   "start_elevation_m": 298.23927210287155,
   "end_elevation_m": 308.47134098623064,
   "start_xy": [
    4718436.087393245,
    2819429.7738052965
   ],
   "end_xy": [
    4718409.652605692,
    2819387.632450341
   ]
  },
  "max_100m": {
   "gradient_pct": 19.222227299028305,
   "start_distance_m": 35.0,
   "end_distance_m": 135.0,
   "midpoint_distance_m": 85.0,
   "start_elevation_m": 296.35595472073044,
   "end_elevation_m": 315.57818201975874,
   "start_xy": [
    4718441.107344195,
    2819440.6733508124
   ],
   "end_xy": [
    4718375.142051779,
    2819390.5538165225
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -22.242681859177083,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 291.01501750234524,
   "end_elevation_m": 289.9028834093864,
   "start_xy": [
    4718455.363,
    2819472.636
   ],
   "end_xy": [
    4718453.377336875,
    2819468.047193842
   ]
  },
  "min_10m": {
   "gradient_pct": 3.0982630162571922,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 291.01501750234524,
   "end_elevation_m": 291.32484380397096,
   "start_xy": [
    4718455.363,
    2819472.636
   ],
   "end_xy": [
    4718451.391673749,
    2819463.4583876845
   ]
  },
  "min_20m": {
   "gradient_pct": 8.214967232603954,
   "start_distance_m": 13.0,
   "end_distance_m": 33.0,
   "midpoint_distance_m": 23.0,
   "start_elevation_m": 294.52657362326886,
   "end_elevation_m": 296.16956706978965,
   "start_xy": [
    4718450.200275875,
    2819460.7051039897
   ],
   "end_xy": [
    4718441.944002687,
    2819442.489941732
   ]
  },
  "min_25m": {
   "gradient_pct": 8.757266199612332,
   "start_distance_m": 13.0,
   "end_distance_m": 38.0,
   "midpoint_distance_m": 25.5,
   "start_elevation_m": 294.52657362326886,
   "end_elevation_m": 296.71589017317194,
   "start_xy": [
    4718450.200275875,
    2819460.7051039897
   ],
   "end_xy": [
    4718439.852356458,
    2819437.9484644337
   ]
  },
  "min_50m": {
   "gradient_pct": 12.579635824024194,
   "start_distance_m": 194.0,
   "end_distance_m": 244.0,
   "midpoint_distance_m": 219.0,
   "start_elevation_m": 325.8616501130462,
   "end_elevation_m": 332.1514680250583,
   "start_xy": [
    4718336.5184651045,
    2819355.8339295634
   ],
   "end_xy": [
    4718310.973813566,
    2819313.0655435733
   ]
  },
  "min_100m": {
   "gradient_pct": 15.578962702281274,
   "start_distance_m": 144.0,
   "end_distance_m": 244.0,
   "midpoint_distance_m": 194.0,
   "start_elevation_m": 316.57250532277703,
   "end_elevation_m": 332.1514680250583,
   "start_xy": [
    4718366.732869212,
    2819393.351398176
   ],
   "end_xy": [
    4718310.973813566,
    2819313.0655435733
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 43.60898693941522,
   "start_distance_m": 54.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 55.0,
   "start_elevation_m": 300.08829769931134,
   "end_elevation_m": 300.96047743809964,
   "start_xy": [
    4718433.159088524,
    2819423.415737079
   ],
   "end_xy": [
    4718432.322430032,
    2819421.5991461594
   ]
  },
  "max_3m": {
   "gradient_pct": 35.00334043240135,
   "start_distance_m": 53.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 54.5,
   "start_elevation_m": 299.9103772251276,
   "end_elevation_m": 300.96047743809964,
   "start_xy": [
    4718433.5774177695,
    2819424.3240325386
   ],
   "end_xy": [
    4718432.322430032,
    2819421.5991461594
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.082,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.228,
   "obstruction_max_height_m": 15.47,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    19.0
   ]
  ],
  "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_E4718-N2819.tif"
  ],
  "calculated_at": "2026-09-11T07:20:55+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": [
   "E4718-N2819"
  ],
  "elevation_blocks": [
   "N2800000E4700000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Spitz",
  "county": "Nieder\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}