{
 "ocl_version": "0.1.0",
 "name": "Spiss",
 "slug": "spiss",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.55312270531067,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 11.0,
   "end_distance_m": 13.0,
   "start_elevation_m": 1401.9256889628261,
   "end_elevation_m": 1402.4167514169324,
   "min_gradient_pct": -259.79816506603584,
   "suppressed_max_gradient_pct": 279.96024961690864,
   "suppressed_location_m": [
    352.0,
    354.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.4530950419033,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 10.0,
   "end_distance_m": 13.0,
   "start_elevation_m": 1401.7131585656753,
   "end_elevation_m": 1402.4167514169324,
   "min_gradient_pct": -208.515065366214,
   "suppressed_max_gradient_pct": 210.41266192799716,
   "suppressed_location_m": [
    351.0,
    354.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.38842351893254,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 9.0,
   "end_distance_m": 14.0,
   "start_elevation_m": 1401.501667338597,
   "end_elevation_m": 1402.6210885145435,
   "min_gradient_pct": -145.4767105514702,
   "suppressed_max_gradient_pct": 147.25703957600217,
   "suppressed_location_m": [
    351.0,
    356.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.41605159152914,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1409.0,
   "end_distance_m": 1419.0,
   "start_elevation_m": 1544.4943942471787,
   "end_elevation_m": 1546.4359994063316,
   "min_gradient_pct": -68.71334553467932,
   "suppressed_max_gradient_pct": 94.90132834201404,
   "suppressed_location_m": [
    350.0,
    360.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 17.404845481469238,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1399.0,
   "end_distance_m": 1419.0,
   "start_elevation_m": 1542.9550303100377,
   "end_elevation_m": 1546.4359994063316,
   "min_gradient_pct": -28.85246654265643,
   "suppressed_max_gradient_pct": 51.77887713850396,
   "suppressed_location_m": [
    340.0,
    360.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.63928431604836,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1394.0,
   "end_distance_m": 1419.0,
   "start_elevation_m": 1542.2761783273195,
   "end_elevation_m": 1546.4359994063316,
   "min_gradient_pct": -20.893401438352157,
   "suppressed_max_gradient_pct": 43.23900191839857,
   "suppressed_location_m": [
    335.0,
    360.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.616602820519347,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1369.0,
   "end_distance_m": 1419.0,
   "start_elevation_m": 1539.127697996072,
   "end_elevation_m": 1546.4359994063316,
   "min_gradient_pct": -5.321586355797535,
   "suppressed_max_gradient_pct": 26.10546532278522,
   "suppressed_location_m": [
    310.0,
    360.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.609368032934071,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1441.0,
   "end_distance_m": 1541.0,
   "start_elevation_m": 1548.732569724251,
   "end_elevation_m": 1562.3419377571852,
   "min_gradient_pct": 2.3115353190673886,
   "suppressed_max_gradient_pct": 17.66806511901632,
   "suppressed_location_m": [
    260.0,
    360.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.286,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 462.0,
  "shape_class": "sustained"
 },
 "length_m": 3030.401367520977,
 "start_elevation_m": 1400.1706653466242,
 "end_elevation_m": 1720.1603427817336,
 "endpoint_gain_m": 319.98967743510934,
 "overall_gradient_pct": 10.559316691995727,
 "accumulated_ascent_m": 329.4088060744384,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.38842351893254,
   "start_distance_m": 9.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 11.5,
   "start_elevation_m": 1401.501667338597,
   "end_elevation_m": 1402.6210885145435,
   "start_xy": [
    4356985.141361864,
    2648313.9305759845
   ],
   "end_xy": [
    4356985.189896234,
    2648318.9303404205
   ]
  },
  "max_10m": {
   "gradient_pct": 19.41605159152914,
   "start_distance_m": 1409.0,
   "end_distance_m": 1419.0,
   "midpoint_distance_m": 1414.0,
   "start_elevation_m": 1544.4943942471787,
   "end_elevation_m": 1546.4359994063316,
   "start_xy": [
    4356323.823950921,
    2648873.8578052404
   ],
   "end_xy": [
    4356331.673960634,
    2648867.6628599213
   ]
  },
  "max_20m": {
   "gradient_pct": 17.404845481469238,
   "start_distance_m": 1399.0,
   "end_distance_m": 1419.0,
   "midpoint_distance_m": 1409.0,
   "start_elevation_m": 1542.9550303100377,
   "end_elevation_m": 1546.4359994063316,
   "start_xy": [
    4356316.289716102,
    2648880.4077068353
   ],
   "end_xy": [
    4356331.673960634,
    2648867.6628599213
   ]
  },
  "max_25m": {
   "gradient_pct": 16.63928431604836,
   "start_distance_m": 1394.0,
   "end_distance_m": 1419.0,
   "midpoint_distance_m": 1406.5,
   "start_elevation_m": 1542.2761783273195,
   "end_elevation_m": 1546.4359994063316,
   "start_xy": [
    4356312.756305234,
    2648883.9453625046
   ],
   "end_xy": [
    4356331.673960634,
    2648867.6628599213
   ]
  },
  "max_50m": {
   "gradient_pct": 14.616602820519347,
   "start_distance_m": 1369.0,
   "end_distance_m": 1419.0,
   "midpoint_distance_m": 1394.0,
   "start_elevation_m": 1539.127697996072,
   "end_elevation_m": 1546.4359994063316,
   "start_xy": [
    4356293.494949585,
    2648899.376459574
   ],
   "end_xy": [
    4356331.673960634,
    2648867.6628599213
   ]
  },
  "max_100m": {
   "gradient_pct": 13.609368032934071,
   "start_distance_m": 1441.0,
   "end_distance_m": 1541.0,
   "midpoint_distance_m": 1491.0,
   "start_elevation_m": 1548.732569724251,
   "end_elevation_m": 1562.3419377571852,
   "start_xy": [
    4356350.50018005,
    2648857.037242948
   ],
   "end_xy": [
    4356449.7788811205,
    2648855.6571105407
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -145.4767105514702,
   "start_distance_m": 537.0,
   "end_distance_m": 542.0,
   "midpoint_distance_m": 539.5,
   "start_elevation_m": 1461.9080153579202,
   "end_elevation_m": 1454.6341798303467,
   "start_xy": [
    4356685.572168452,
    2648660.475439507
   ],
   "end_xy": [
    4356680.578342205,
    2648660.7225476285
   ]
  },
  "min_10m": {
   "gradient_pct": -68.71334553467932,
   "start_distance_m": 536.0,
   "end_distance_m": 546.0,
   "midpoint_distance_m": 541.0,
   "start_elevation_m": 1461.9487866225625,
   "end_elevation_m": 1455.0774520690945,
   "start_xy": [
    4356686.570872702,
    2648660.4245492206
   ],
   "end_xy": [
    4356676.5804039,
    2648660.85095834
   ]
  },
  "min_20m": {
   "gradient_pct": -28.85246654265643,
   "start_distance_m": 536.0,
   "end_distance_m": 556.0,
   "midpoint_distance_m": 546.0,
   "start_elevation_m": 1461.9487866225625,
   "end_elevation_m": 1456.1782933140312,
   "start_xy": [
    4356686.570872702,
    2648660.4245492206
   ],
   "end_xy": [
    4356666.585558138,
    2648661.1719851173
   ]
  },
  "min_25m": {
   "gradient_pct": -20.893401438352157,
   "start_distance_m": 536.0,
   "end_distance_m": 561.0,
   "midpoint_distance_m": 548.5,
   "start_elevation_m": 1461.9487866225625,
   "end_elevation_m": 1456.7254362629744,
   "start_xy": [
    4356686.570872702,
    2648660.4245492206
   ],
   "end_xy": [
    4356661.588135256,
    2648661.332498506
   ]
  },
  "min_50m": {
   "gradient_pct": -5.321586355797535,
   "start_distance_m": 536.0,
   "end_distance_m": 586.0,
   "midpoint_distance_m": 561.0,
   "start_elevation_m": 1461.9487866225625,
   "end_elevation_m": 1459.2879934446637,
   "start_xy": [
    4356686.570872702,
    2648660.4245492206
   ],
   "end_xy": [
    4356636.601020851,
    2648662.135065451
   ]
  },
  "min_100m": {
   "gradient_pct": 2.3115353190673886,
   "start_distance_m": 536.0,
   "end_distance_m": 636.0,
   "midpoint_distance_m": 586.0,
   "start_elevation_m": 1461.9487866225625,
   "end_elevation_m": 1464.2603219416299,
   "start_xy": [
    4356686.570872702,
    2648660.4245492206
   ],
   "end_xy": [
    4356587.310761687,
    2648657.5319516016
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.55312270531067,
   "start_distance_m": 11.0,
   "end_distance_m": 13.0,
   "midpoint_distance_m": 12.0,
   "start_elevation_m": 1401.9256889628261,
   "end_elevation_m": 1402.4167514169324,
   "start_xy": [
    4356985.160775612,
    2648315.930481759
   ],
   "end_xy": [
    4356985.18018936,
    2648317.9303875333
   ]
  },
  "max_3m": {
   "gradient_pct": 23.4530950419033,
   "start_distance_m": 10.0,
   "end_distance_m": 13.0,
   "midpoint_distance_m": 11.5,
   "start_elevation_m": 1401.7131585656753,
   "end_elevation_m": 1402.4167514169324,
   "start_xy": [
    4356985.151068739,
    2648314.9305288717
   ],
   "end_xy": [
    4356985.18018936,
    2648317.9303875333
   ]
  }
 },
 "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": 0.066,
   "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": 0.093,
   "obstruction_max_height_m": 25.97,
   "flagged_windows_m": [
    10,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    348.0,
    546.0
   ]
  ],
  "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_E4356-N2648.tif",
   "data/cache/at/bev-als_dtm_E4356-N2649.tif",
   "data/cache/at/bev-als_dtm_E4357-N2648.tif"
  ],
  "calculated_at": "2026-09-13T00:24:35+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": [
   "E4356-N2648",
   "E4356-N2649",
   "E4357-N2648"
  ],
  "elevation_blocks": [
   "N2600000E4350000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Nauders",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}