{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.9234, 12.6079)",
 "slug": "discovered-lane-46-9234-12-6079",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 17.861624571639823,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 2965.0,
   "end_distance_m": 2967.0,
   "start_elevation_m": 1088.5088169709602,
   "end_elevation_m": 1088.866049462393,
   "min_gradient_pct": -24.049862637247088,
   "suppressed_max_gradient_pct": 30.388447871797553,
   "suppressed_location_m": [
    802.0,
    804.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 17.024875617247897,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1641.0,
   "end_distance_m": 1644.0,
   "start_elevation_m": 947.0793096724711,
   "end_elevation_m": 947.5900559409886,
   "min_gradient_pct": -17.98706029900738,
   "suppressed_max_gradient_pct": 27.18972476985755,
   "suppressed_location_m": [
    801.0,
    804.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 16.720086121836175,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1639.0,
   "end_distance_m": 1644.0,
   "start_elevation_m": 946.7540516348968,
   "end_elevation_m": 947.5900559409886,
   "min_gradient_pct": -14.363851550665458,
   "suppressed_max_gradient_pct": 25.70693917120252,
   "suppressed_location_m": [
    799.0,
    804.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.368418589935345,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1640.0,
   "end_distance_m": 1650.0,
   "start_elevation_m": 946.9146951677942,
   "end_elevation_m": 948.5515370267877,
   "min_gradient_pct": -3.2359718830707607,
   "suppressed_max_gradient_pct": 24.380430223995972,
   "suppressed_location_m": [
    798.0,
    808.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.948606116863857,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1636.0,
   "end_distance_m": 1656.0,
   "start_elevation_m": 946.2805858292196,
   "end_elevation_m": 949.4703070525924,
   "min_gradient_pct": -0.9897361650018865,
   "suppressed_max_gradient_pct": 18.65703187296276,
   "suppressed_location_m": [
    797.0,
    817.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.52375728244715,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1633.0,
   "end_distance_m": 1658.0,
   "start_elevation_m": 945.8685074115836,
   "end_elevation_m": 949.7494467321953,
   "min_gradient_pct": -0.8779048746937406,
   "suppressed_max_gradient_pct": 15.88644274637727,
   "suppressed_location_m": [
    797.0,
    822.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.932274385053915,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 2965.0,
   "end_distance_m": 3015.0,
   "start_elevation_m": 1088.5088169709602,
   "end_elevation_m": 1095.9749541634872,
   "min_gradient_pct": -0.09881945399865799
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.589196829367438,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 2913.0,
   "end_distance_m": 3013.0,
   "start_elevation_m": 1081.0835630573492,
   "end_elevation_m": 1095.6727598867167,
   "min_gradient_pct": 0.5672104617344758
  }
 ],
 "shape": {
  "ascent_concentration": 0.294,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 530.0,
  "shape_class": "sustained"
 },
 "length_m": 3368.0999999997775,
 "start_elevation_m": 761.9657975233148,
 "end_elevation_m": 1121.9582716139666,
 "endpoint_gain_m": 359.99247409065185,
 "overall_gradient_pct": 10.688295302712973,
 "accumulated_ascent_m": 361.1359114234102,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 16.720086121836175,
   "start_distance_m": 1639.0,
   "end_distance_m": 1644.0,
   "midpoint_distance_m": 1641.5,
   "start_elevation_m": 946.7540516348968,
   "end_elevation_m": 947.5900559409886,
   "start_xy": [
    4519837.733857992,
    2648921.990354155
   ],
   "end_xy": [
    4519833.759461886,
    2648925.0241919933
   ]
  },
  "max_10m": {
   "gradient_pct": 16.368418589935345,
   "start_distance_m": 1640.0,
   "end_distance_m": 1650.0,
   "midpoint_distance_m": 1645.0,
   "start_elevation_m": 946.9146951677942,
   "end_elevation_m": 948.5515370267877,
   "start_xy": [
    4519836.938897021,
    2648922.597014346
   ],
   "end_xy": [
    4519828.989996226,
    2648928.664547536
   ]
  },
  "max_20m": {
   "gradient_pct": 15.948606116863857,
   "start_distance_m": 1636.0,
   "end_distance_m": 1656.0,
   "midpoint_distance_m": 1646.0,
   "start_elevation_m": 946.2805858292196,
   "end_elevation_m": 949.4703070525924,
   "start_xy": [
    4519840.1129556075,
    2648920.162866965
   ],
   "end_xy": [
    4519824.221012649,
    2648932.305534996
   ]
  },
  "max_25m": {
   "gradient_pct": 15.52375728244715,
   "start_distance_m": 1633.0,
   "end_distance_m": 1658.0,
   "midpoint_distance_m": 1645.5,
   "start_elevation_m": 945.8685074115836,
   "end_elevation_m": 949.7494467321953,
   "start_xy": [
    4519842.472302918,
    2648918.3099019015
   ],
   "end_xy": [
    4519822.631095908,
    2648933.5188627425
   ]
  },
  "max_50m": {
   "gradient_pct": 14.932274385053915,
   "start_distance_m": 2965.0,
   "end_distance_m": 3015.0,
   "midpoint_distance_m": 2990.0,
   "start_elevation_m": 1088.5088169709602,
   "end_elevation_m": 1095.9749541634872,
   "start_xy": [
    4519733.450194241,
    2649372.8881035834
   ],
   "end_xy": [
    4519781.10950658,
    2649358.060948927
   ]
  },
  "max_100m": {
   "gradient_pct": 14.589196829367438,
   "start_distance_m": 2913.0,
   "end_distance_m": 3013.0,
   "midpoint_distance_m": 2963.0,
   "start_elevation_m": 1081.0835630573492,
   "end_elevation_m": 1095.6727598867167,
   "start_xy": [
    4519689.495819333,
    2649400.0997668966
   ],
   "end_xy": [
    4519779.1687266175,
    2649358.544035215
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -14.363851550665458,
   "start_distance_m": 792.0,
   "end_distance_m": 797.0,
   "midpoint_distance_m": 794.5,
   "start_elevation_m": 849.0334126066198,
   "end_elevation_m": 848.3152200290865,
   "start_xy": [
    4520242.552113289,
    2648267.985715473
   ],
   "end_xy": [
    4520246.340796331,
    2648264.7434263425
   ]
  },
  "min_10m": {
   "gradient_pct": -3.2359718830707607,
   "start_distance_m": 788.0,
   "end_distance_m": 798.0,
   "midpoint_distance_m": 793.0,
   "start_elevation_m": 848.7012309434256,
   "end_elevation_m": 848.3776337551185,
   "start_xy": [
    4520239.526055343,
    2648270.59967681
   ],
   "end_xy": [
    4520247.278490345,
    2648264.4024220468
   ]
  },
  "min_20m": {
   "gradient_pct": -0.9897361650018865,
   "start_distance_m": 3114.0,
   "end_distance_m": 3134.0,
   "midpoint_distance_m": 3124.0,
   "start_elevation_m": 1104.16137658105,
   "end_elevation_m": 1103.9634293480497,
   "start_xy": [
    4519872.768877249,
    2649327.4447921594
   ],
   "end_xy": [
    4519891.384810504,
    2649320.2219280284
   ]
  },
  "min_25m": {
   "gradient_pct": -0.8779048746937406,
   "start_distance_m": 3112.0,
   "end_distance_m": 3137.0,
   "midpoint_distance_m": 3124.5,
   "start_elevation_m": 1104.1693092794892,
   "end_elevation_m": 1103.9498330608158,
   "start_xy": [
    4519870.832901449,
    2649327.9467858844
   ],
   "end_xy": [
    4519894.148056982,
    2649319.0538239237
   ]
  },
  "min_50m": {
   "gradient_pct": -0.09881945399865799,
   "start_distance_m": 3090.0,
   "end_distance_m": 3140.0,
   "midpoint_distance_m": 3115.0,
   "start_elevation_m": 1104.013597633574,
   "end_elevation_m": 1103.9641879065746,
   "start_xy": [
    4519849.052868543,
    2649327.9876454044
   ],
   "end_xy": [
    4519896.911564184,
    2649317.886336191
   ]
  },
  "min_100m": {
   "gradient_pct": 0.5672104617344758,
   "start_distance_m": 3078.0,
   "end_distance_m": 3178.0,
   "midpoint_distance_m": 3128.0,
   "start_elevation_m": 1103.840190436697,
   "end_elevation_m": 1104.4074008984314,
   "start_xy": [
    4519838.58752985,
    2649333.4358797995
   ],
   "end_xy": [
    4519928.43596698,
    2649297.472142937
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 17.861624571639823,
   "start_distance_m": 2965.0,
   "end_distance_m": 2967.0,
   "midpoint_distance_m": 2966.0,
   "start_elevation_m": 1088.5088169709602,
   "end_elevation_m": 1088.866049462393,
   "start_xy": [
    4519733.450194241,
    2649372.8881035834
   ],
   "end_xy": [
    4519735.319573751,
    2649372.1771753156
   ]
  },
  "max_3m": {
   "gradient_pct": 17.024875617247897,
   "start_distance_m": 1641.0,
   "end_distance_m": 1644.0,
   "midpoint_distance_m": 1642.5,
   "start_elevation_m": 947.0793096724711,
   "end_elevation_m": 947.5900559409886,
   "start_xy": [
    4519836.143896842,
    2648923.203623417
   ],
   "end_xy": [
    4519833.759461886,
    2648925.0241919933
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.007,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 20.0,
     "start_m": 797.0,
     "end_m": 817.0,
     "raw_pct": 18.66,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 798.0,
     "end_m": 808.0,
     "raw_pct": 24.38,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.158,
   "obstruction_max_height_m": 20.07,
   "flagged_windows_m": [
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    795.0,
    819.0
   ]
  ],
  "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_E4519-N2648.tif",
   "data/cache/at/bev-als_dtm_E4519-N2649.tif",
   "data/cache/at/bev-als_dtm_E4520-N2647.tif",
   "data/cache/at/bev-als_dtm_E4520-N2648.tif",
   "data/cache/at/bev-als_dtm_E4520-N2649.tif"
  ],
  "calculated_at": "2026-09-15T21:41:55+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/austria-2026-09-11.osm.pbf",
  "osm_snapshot": "2026-09-10T20:21:06Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "E4519-N2648",
   "E4519-N2649",
   "E4520-N2647",
   "E4520-N2648",
   "E4520-N2649"
  ],
  "elevation_blocks": [
   "N2600000E4500000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2600000E4500000": "20220915"
  },
  "route_cut_m": 3368.1,
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sankt Johann im Walde",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}