{
 "ocl_version": "0.1.0",
 "name": "Truna",
 "slug": "truna",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 36.53829397972004,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1762.0,
   "end_distance_m": 1764.0,
   "start_elevation_m": 1493.0222112424144,
   "end_elevation_m": 1493.7529771220088,
   "min_gradient_pct": -32.26092951316559,
   "suppressed_max_gradient_pct": 49.794753758249044,
   "suppressed_location_m": [
    1322.0,
    1324.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 35.29261009689435,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1362.0,
   "end_distance_m": 1365.0,
   "start_elevation_m": 1444.041096481456,
   "end_elevation_m": 1445.0998747843628,
   "min_gradient_pct": -30.681239176427272,
   "suppressed_max_gradient_pct": 46.95492699067169,
   "suppressed_location_m": [
    1322.0,
    1325.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 33.685424526088354,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1361.0,
   "end_distance_m": 1366.0,
   "start_elevation_m": 1443.6973027598754,
   "end_elevation_m": 1445.3815739861798,
   "min_gradient_pct": -22.577599123810614,
   "suppressed_max_gradient_pct": 43.06994241707798,
   "suppressed_location_m": [
    1320.0,
    1325.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.801255949178994,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1270.0,
   "end_distance_m": 1280.0,
   "start_elevation_m": 1432.0945536104682,
   "end_elevation_m": 1434.474679205386,
   "min_gradient_pct": -15.974422366496128,
   "suppressed_max_gradient_pct": 32.73538418226053,
   "suppressed_location_m": [
    1318.0,
    1328.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.129877279520542,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 69.0,
   "end_distance_m": 89.0,
   "start_elevation_m": 1315.6760967395578,
   "end_elevation_m": 1320.102072195462,
   "min_gradient_pct": -8.305380225434646,
   "suppressed_max_gradient_pct": 22.59806541587409,
   "suppressed_location_m": [
    1308.0,
    1328.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.513064018110526,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 64.0,
   "end_distance_m": 89.0,
   "start_elevation_m": 1314.7238061909343,
   "end_elevation_m": 1320.102072195462,
   "min_gradient_pct": -6.489620221213954
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.661270381541726,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 49.0,
   "end_distance_m": 99.0,
   "start_elevation_m": 1312.5562709833903,
   "end_elevation_m": 1321.3869061741611,
   "min_gradient_pct": -1.0340872150536597
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.841804992815696,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1841.0,
   "end_distance_m": 1941.0,
   "start_elevation_m": 1501.7505129381975,
   "end_elevation_m": 1517.5923179310132,
   "min_gradient_pct": 3.2853480110127293
  }
 ],
 "shape": {
  "ascent_concentration": 0.29,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 217.0,
  "shape_class": "sustained"
 },
 "length_m": 2683.2903122753364,
 "start_elevation_m": 1308.3730147482015,
 "end_elevation_m": 1608.5966930966583,
 "endpoint_gain_m": 300.2236783484568,
 "overall_gradient_pct": 11.188639446690269,
 "accumulated_ascent_m": 308.0342455032312,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 33.685424526088354,
   "start_distance_m": 1361.0,
   "end_distance_m": 1366.0,
   "midpoint_distance_m": 1363.5,
   "start_elevation_m": 1443.6973027598754,
   "end_elevation_m": 1445.3815739861798,
   "start_xy": [
    4428396.7733555855,
    2662768.3579004467
   ],
   "end_xy": [
    4428401.686295357,
    2662769.28688905
   ]
  },
  "max_10m": {
   "gradient_pct": 23.801255949178994,
   "start_distance_m": 1270.0,
   "end_distance_m": 1280.0,
   "midpoint_distance_m": 1275.0,
   "start_elevation_m": 1432.0945536104682,
   "end_elevation_m": 1434.474679205386,
   "start_xy": [
    4428316.475075489,
    2662730.0418640967
   ],
   "end_xy": [
    4428325.575105702,
    2662734.187877875
   ]
  },
  "max_20m": {
   "gradient_pct": 22.129877279520542,
   "start_distance_m": 69.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 79.0,
   "start_elevation_m": 1315.6760967395578,
   "end_elevation_m": 1320.102072195462,
   "start_xy": [
    4427801.02733543,
    2662540.867549945
   ],
   "end_xy": [
    4427817.264460416,
    2662552.544695669
   ]
  },
  "max_25m": {
   "gradient_pct": 21.513064018110526,
   "start_distance_m": 64.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 76.5,
   "start_elevation_m": 1314.7238061909343,
   "end_elevation_m": 1320.102072195462,
   "start_xy": [
    4427796.968461794,
    2662537.9476966592
   ],
   "end_xy": [
    4427817.264460416,
    2662552.544695669
   ]
  },
  "max_50m": {
   "gradient_pct": 17.661270381541726,
   "start_distance_m": 49.0,
   "end_distance_m": 99.0,
   "midpoint_distance_m": 74.0,
   "start_elevation_m": 1312.5562709833903,
   "end_elevation_m": 1321.3869061741611,
   "start_xy": [
    4427785.761100603,
    2662528.01932575
   ],
   "end_xy": [
    4427825.382628538,
    2662558.3838165835
   ]
  },
  "max_100m": {
   "gradient_pct": 15.841804992815696,
   "start_distance_m": 1841.0,
   "end_distance_m": 1941.0,
   "midpoint_distance_m": 1891.0,
   "start_elevation_m": 1501.7505129381975,
   "end_elevation_m": 1517.5923179310132,
   "start_xy": [
    4428408.288169946,
    2662613.0420990023
   ],
   "end_xy": [
    4428352.291639872,
    2662535.517012754
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -22.577599123810614,
   "start_distance_m": 817.0,
   "end_distance_m": 822.0,
   "midpoint_distance_m": 819.5,
   "start_elevation_m": 1391.4578644911044,
   "end_elevation_m": 1390.3289845349138,
   "start_xy": [
    4428404.4178567305,
    2662868.4965755786
   ],
   "end_xy": [
    4428409.12664264,
    2662870.109247897
   ]
  },
  "min_10m": {
   "gradient_pct": -15.974422366496128,
   "start_distance_m": 814.0,
   "end_distance_m": 824.0,
   "midpoint_distance_m": 819.0,
   "start_elevation_m": 1391.7799873873914,
   "end_elevation_m": 1390.1825451507418,
   "start_xy": [
    4428401.487124357,
    2662867.855634199
   ],
   "end_xy": [
    4428410.945418699,
    2662870.9411454108
   ]
  },
  "min_20m": {
   "gradient_pct": -8.305380225434646,
   "start_distance_m": 814.0,
   "end_distance_m": 834.0,
   "midpoint_distance_m": 824.0,
   "start_elevation_m": 1391.7799873873914,
   "end_elevation_m": 1390.1189113423045,
   "start_xy": [
    4428401.487124357,
    2662867.855634199
   ],
   "end_xy": [
    4428420.040306881,
    2662875.098426003
   ]
  },
  "min_25m": {
   "gradient_pct": -6.489620221213954,
   "start_distance_m": 814.0,
   "end_distance_m": 839.0,
   "midpoint_distance_m": 826.5,
   "start_elevation_m": 1391.7799873873914,
   "end_elevation_m": 1390.157582332088,
   "start_xy": [
    4428401.487124357,
    2662867.855634199
   ],
   "end_xy": [
    4428424.587663638,
    2662877.1772575066
   ]
  },
  "min_50m": {
   "gradient_pct": -1.0340872150536597,
   "start_distance_m": 809.0,
   "end_distance_m": 859.0,
   "midpoint_distance_m": 834.0,
   "start_elevation_m": 1391.6648989671867,
   "end_elevation_m": 1391.1478553596598,
   "start_xy": [
    4428396.602602745,
    2662866.7872511614
   ],
   "end_xy": [
    4428442.96599066,
    2662883.8848312395
   ]
  },
  "min_100m": {
   "gradient_pct": 3.2853480110127293,
   "start_distance_m": 763.0,
   "end_distance_m": 863.0,
   "midpoint_distance_m": 813.0,
   "start_elevation_m": 1388.0060246292212,
   "end_elevation_m": 1391.291372640234,
   "start_xy": [
    4428356.459390541,
    2662846.2241844446
   ],
   "end_xy": [
    4428446.591737085,
    2662882.7903258987
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 36.53829397972004,
   "start_distance_m": 1762.0,
   "end_distance_m": 1764.0,
   "midpoint_distance_m": 1763.0,
   "start_elevation_m": 1493.0222112424144,
   "end_elevation_m": 1493.7529771220088,
   "start_xy": [
    4428444.983380817,
    2662679.106549461
   ],
   "end_xy": [
    4428443.02229496,
    2662678.713940685
   ]
  },
  "max_3m": {
   "gradient_pct": 35.29261009689435,
   "start_distance_m": 1362.0,
   "end_distance_m": 1365.0,
   "midpoint_distance_m": 1363.5,
   "start_elevation_m": 1444.041096481456,
   "end_elevation_m": 1445.0998747843628,
   "start_xy": [
    4428397.756043266,
    2662768.5431700656
   ],
   "end_xy": [
    4428400.703736006,
    2662769.100939814
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.03,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.045,
   "windows_resited": [
    10.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 20.0,
     "start_m": 1308.0,
     "end_m": 1328.0,
     "raw_pct": 22.6,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 1318.0,
     "end_m": 1328.0,
     "raw_pct": 32.74,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 1320.0,
     "end_m": 1325.0,
     "raw_pct": 43.07,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 1447.0,
     "end_m": 1457.0,
     "raw_pct": 27.57,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.264,
   "obstruction_max_height_m": 35.03,
   "flagged_windows_m": [
    2,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    450.0,
    530.0
   ],
   [
    1306.0,
    1330.0
   ],
   [
    1445.0,
    1459.0
   ]
  ],
  "review": [
   "short_window_divergence"
  ],
  "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_E4427-N2661.tif",
   "data/cache/at/bev-als_dtm_E4427-N2662.tif",
   "data/cache/at/bev-als_dtm_E4428-N2661.tif",
   "data/cache/at/bev-als_dtm_E4428-N2662.tif"
  ],
  "calculated_at": "2026-09-12T20:01:25+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-extent3-260912",
  "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": [
   "E4427-N2661",
   "E4427-N2662",
   "E4428-N2661",
   "E4428-N2662"
  ],
  "elevation_blocks": [
   "N2650000E4400000@2022-09-15"
  ],
  "route_base_cut_m": 1191.4,
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Trins",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}