{
 "ocl_version": "0.1.0",
 "name": "Stronach",
 "slug": "stronach-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.076614555686547,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 148.0,
   "end_distance_m": 150.0,
   "start_elevation_m": 859.5950768747239,
   "end_elevation_m": 860.0366091658376,
   "min_gradient_pct": -51.06633881580365,
   "suppressed_max_gradient_pct": 136.1034372640745,
   "suppressed_location_m": [
    0.0,
    2.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.18266946093384,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 148.0,
   "end_distance_m": 151.0,
   "start_elevation_m": 859.5950768747239,
   "end_elevation_m": 860.2605569585519,
   "min_gradient_pct": -36.20432396350376,
   "suppressed_max_gradient_pct": 111.89014872596015,
   "suppressed_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.468407257621948,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 148.0,
   "end_distance_m": 153.0,
   "start_elevation_m": 859.5950768747239,
   "end_elevation_m": 860.618497237605,
   "min_gradient_pct": -17.745071738318074,
   "suppressed_max_gradient_pct": 71.97262542019189,
   "suppressed_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.96087806584751,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 733.0,
   "end_distance_m": 743.0,
   "start_elevation_m": 943.1034636852969,
   "end_elevation_m": 944.8995514918817,
   "min_gradient_pct": -3.4714492981902367,
   "suppressed_max_gradient_pct": 43.13767257212248,
   "suppressed_location_m": [
    0.0,
    10.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.932681635104245,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 204.0,
   "end_distance_m": 224.0,
   "start_elevation_m": 867.8012477305475,
   "end_elevation_m": 871.1877840575684,
   "min_gradient_pct": 4.401935259927541,
   "suppressed_max_gradient_pct": 29.85006667527216,
   "suppressed_location_m": [
    0.0,
    20.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.707794312168517,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 200.0,
   "end_distance_m": 225.0,
   "start_elevation_m": 867.1743673165133,
   "end_elevation_m": 871.3513158945555,
   "min_gradient_pct": 6.340528286084918,
   "suppressed_max_gradient_pct": 27.06705232342256,
   "suppressed_location_m": [
    0.0,
    25.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.52789297705567,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 279.0,
   "end_distance_m": 329.0,
   "start_elevation_m": 878.6926259272009,
   "end_elevation_m": 886.9565724157287,
   "min_gradient_pct": 8.212886898178795,
   "suppressed_max_gradient_pct": 20.869814241547147,
   "suppressed_location_m": [
    0.0,
    50.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.04191464540679,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 253.0,
   "end_distance_m": 353.0,
   "start_elevation_m": 874.5179283630608,
   "end_elevation_m": 890.5598430084676,
   "min_gradient_pct": 8.305321555463706,
   "suppressed_max_gradient_pct": 17.293089465627872,
   "suppressed_location_m": [
    0.0,
    100.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.285,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 392.0,
  "shape_class": "sustained"
 },
 "length_m": 1642.0922396185185,
 "start_elevation_m": 835.7670800767006,
 "end_elevation_m": 1055.7506486229731,
 "endpoint_gain_m": 219.98356854627252,
 "overall_gradient_pct": 13.39654151202723,
 "accumulated_ascent_m": 222.44007180445965,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.468407257621948,
   "start_distance_m": 148.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 150.5,
   "start_elevation_m": 859.5950768747239,
   "end_elevation_m": 860.618497237605,
   "start_xy": [
    4538506.510103907,
    2638838.434056005
   ],
   "end_xy": [
    4538510.939102939,
    2638836.113718191
   ]
  },
  "max_10m": {
   "gradient_pct": 17.96087806584751,
   "start_distance_m": 733.0,
   "end_distance_m": 743.0,
   "midpoint_distance_m": 738.0,
   "start_elevation_m": 943.1034636852969,
   "end_elevation_m": 944.8995514918817,
   "start_xy": [
    4538732.913155744,
    2639028.5202322886
   ],
   "end_xy": [
    4538726.193964754,
    2639035.9264777913
   ]
  },
  "max_20m": {
   "gradient_pct": 16.932681635104245,
   "start_distance_m": 204.0,
   "end_distance_m": 224.0,
   "midpoint_distance_m": 214.0,
   "start_elevation_m": 867.8012477305475,
   "end_elevation_m": 871.1877840575684,
   "start_xy": [
    4538560.120484313,
    2638842.9400947425
   ],
   "end_xy": [
    4538579.866212155,
    2638840.683076169
   ]
  },
  "max_25m": {
   "gradient_pct": 16.707794312168517,
   "start_distance_m": 200.0,
   "end_distance_m": 225.0,
   "midpoint_distance_m": 212.5,
   "start_elevation_m": 867.1743673165133,
   "end_elevation_m": 871.3513158945555,
   "start_xy": [
    4538556.144347933,
    2638842.5038156076
   ],
   "end_xy": [
    4538580.862659053,
    2638840.7672995566
   ]
  },
  "max_50m": {
   "gradient_pct": 16.52789297705567,
   "start_distance_m": 279.0,
   "end_distance_m": 329.0,
   "midpoint_distance_m": 304.0,
   "start_elevation_m": 878.6926259272009,
   "end_elevation_m": 886.9565724157287,
   "start_xy": [
    4538620.512465935,
    2638872.3385248105
   ],
   "end_xy": [
    4538659.27973751,
    2638900.184189354
   ]
  },
  "max_100m": {
   "gradient_pct": 16.04191464540679,
   "start_distance_m": 253.0,
   "end_distance_m": 353.0,
   "midpoint_distance_m": 303.0,
   "start_elevation_m": 874.5179283630608,
   "end_elevation_m": 890.5598430084676,
   "start_xy": [
    4538601.214895497,
    2638856.3408808596
   ],
   "end_xy": [
    4538676.6330195535,
    2638916.123968255
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -17.745071738318074,
   "start_distance_m": 1543.0,
   "end_distance_m": 1548.0,
   "midpoint_distance_m": 1545.5,
   "start_elevation_m": 1042.4294111285253,
   "end_elevation_m": 1041.5421575416094,
   "start_xy": [
    4538806.248884571,
    2639319.4656272912
   ],
   "end_xy": [
    4538805.444633716,
    2639324.3999990127
   ]
  },
  "min_10m": {
   "gradient_pct": -3.4714492981902367,
   "start_distance_m": 1538.0,
   "end_distance_m": 1548.0,
   "midpoint_distance_m": 1543.0,
   "start_elevation_m": 1041.8893024714284,
   "end_elevation_m": 1041.5421575416094,
   "start_xy": [
    4538807.001293009,
    2639314.5225633075
   ],
   "end_xy": [
    4538805.444633716,
    2639324.3999990127
   ]
  },
  "min_20m": {
   "gradient_pct": 4.401935259927541,
   "start_distance_m": 1528.0,
   "end_distance_m": 1548.0,
   "midpoint_distance_m": 1538.0,
   "start_elevation_m": 1040.661770489624,
   "end_elevation_m": 1041.5421575416094,
   "start_xy": [
    4538808.506109884,
    2639304.636435341
   ],
   "end_xy": [
    4538805.444633716,
    2639324.3999990127
   ]
  },
  "min_25m": {
   "gradient_pct": 6.340528286084918,
   "start_distance_m": 1523.0,
   "end_distance_m": 1548.0,
   "midpoint_distance_m": 1535.5,
   "start_elevation_m": 1039.9570254700882,
   "end_elevation_m": 1041.5421575416094,
   "start_xy": [
    4538807.849784645,
    2639299.731052896
   ],
   "end_xy": [
    4538805.444633716,
    2639324.3999990127
   ]
  },
  "min_50m": {
   "gradient_pct": 8.212886898178795,
   "start_distance_m": 1328.0,
   "end_distance_m": 1378.0,
   "midpoint_distance_m": 1353.0,
   "start_elevation_m": 1017.0000600820595,
   "end_elevation_m": 1021.1065035311489,
   "start_xy": [
    4538652.310604193,
    2639381.145513895
   ],
   "end_xy": [
    4538693.96939222,
    2639353.7983252746
   ]
  },
  "min_100m": {
   "gradient_pct": 8.305321555463706,
   "start_distance_m": 1264.0,
   "end_distance_m": 1364.0,
   "midpoint_distance_m": 1314.0,
   "start_elevation_m": 1011.65873013258,
   "end_elevation_m": 1019.9640516880437,
   "start_xy": [
    4538601.461354255,
    2639414.433150701
   ],
   "end_xy": [
    4538681.871028425,
    2639360.84315252
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.076614555686547,
   "start_distance_m": 148.0,
   "end_distance_m": 150.0,
   "midpoint_distance_m": 149.0,
   "start_elevation_m": 859.5950768747239,
   "end_elevation_m": 860.0366091658376,
   "start_xy": [
    4538506.510103907,
    2638838.434056005
   ],
   "end_xy": [
    4538508.28170352,
    2638837.5059208795
   ]
  },
  "max_3m": {
   "gradient_pct": 22.18266946093384,
   "start_distance_m": 148.0,
   "end_distance_m": 151.0,
   "midpoint_distance_m": 149.5,
   "start_elevation_m": 859.5950768747239,
   "end_elevation_m": 860.2605569585519,
   "start_xy": [
    4538506.510103907,
    2638838.434056005
   ],
   "end_xy": [
    4538509.167503326,
    2638837.0418533166
   ]
  }
 },
 "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": 0.026,
   "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": 0.288,
   "obstruction_max_height_m": 32.44,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    5.0
   ],
   [
    925.0,
    943.0
   ],
   [
    1459.0,
    1467.0
   ],
   [
    1544.0,
    1552.0
   ]
  ],
  "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_E4538-N2638.tif",
   "data/cache/at/bev-als_dtm_E4538-N2639.tif"
  ],
  "calculated_at": "2026-09-12T23:27:02+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": [
   "E4538-N2638",
   "E4538-N2639"
  ],
  "elevation_blocks": [
   "N2600000E4500000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Iselsberg-Stronach",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}