{
 "ocl_version": "0.1.0",
 "name": "Brunner Berg",
 "slug": "brunner-berg-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 20.205032211151774,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1567.0,
   "end_distance_m": 1569.0,
   "start_elevation_m": 914.3758752267415,
   "end_elevation_m": 914.7799758709646,
   "min_gradient_pct": -7.797622963960293
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 16.76187394749225,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1566.0,
   "end_distance_m": 1569.0,
   "start_elevation_m": 914.2771196525398,
   "end_elevation_m": 914.7799758709646,
   "min_gradient_pct": -2.6396754491467314
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 16.576379418879696,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 175.0,
   "end_distance_m": 180.0,
   "start_elevation_m": 751.1115950217481,
   "end_elevation_m": 751.9404139926921,
   "min_gradient_pct": 1.2070175534199734
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.311753101117574,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 168.0,
   "end_distance_m": 178.0,
   "start_elevation_m": 749.980049357778,
   "end_elevation_m": 751.6112246678897,
   "min_gradient_pct": 1.2980176433143242
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.891448009996338,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 164.0,
   "end_distance_m": 184.0,
   "start_elevation_m": 749.3670095764116,
   "end_elevation_m": 752.5452991784109,
   "min_gradient_pct": 1.5016327404441654
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.554401576807777,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 159.0,
   "end_distance_m": 184.0,
   "start_elevation_m": 748.656698784209,
   "end_elevation_m": 752.5452991784109,
   "min_gradient_pct": 1.5877106981583893
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.573581144250738,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 159.0,
   "end_distance_m": 209.0,
   "start_elevation_m": 748.656698784209,
   "end_elevation_m": 755.9434893563343,
   "min_gradient_pct": 2.158517300209496
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.350245680855892,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 303.0,
   "end_distance_m": 403.0,
   "start_elevation_m": 768.8369037116131,
   "end_elevation_m": 783.187149392469,
   "min_gradient_pct": 3.396882711527951
  }
 ],
 "shape": {
  "ascent_concentration": 0.305,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 806.0,
  "shape_class": "sustained"
 },
 "length_m": 1680.6000000002323,
 "start_elevation_m": 727.3816333056631,
 "end_elevation_m": 921.918251143854,
 "endpoint_gain_m": 194.53661783819098,
 "overall_gradient_pct": 11.575426504710466,
 "accumulated_ascent_m": 194.69854134013178,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 16.576379418879696,
   "start_distance_m": 175.0,
   "end_distance_m": 180.0,
   "midpoint_distance_m": 177.5,
   "start_elevation_m": 751.1115950217481,
   "end_elevation_m": 751.9404139926921,
   "start_xy": [
    4464321.852964424,
    2702404.074726903
   ],
   "end_xy": [
    4464317.342124773,
    2702401.917803522
   ]
  },
  "max_10m": {
   "gradient_pct": 16.311753101117574,
   "start_distance_m": 168.0,
   "end_distance_m": 178.0,
   "midpoint_distance_m": 173.0,
   "start_elevation_m": 749.980049357778,
   "end_elevation_m": 751.6112246678897,
   "start_xy": [
    4464327.820972031,
    2702407.7317635245
   ],
   "end_xy": [
    4464319.1464992,
    2702402.780491856
   ]
  },
  "max_20m": {
   "gradient_pct": 15.891448009996338,
   "start_distance_m": 164.0,
   "end_distance_m": 184.0,
   "midpoint_distance_m": 174.0,
   "start_elevation_m": 749.3670095764116,
   "end_elevation_m": 752.5452991784109,
   "start_xy": [
    4464331.36304671,
    2702409.4204936414
   ],
   "end_xy": [
    4464313.685364399,
    2702400.309351433
   ]
  },
  "max_25m": {
   "gradient_pct": 15.554401576807777,
   "start_distance_m": 159.0,
   "end_distance_m": 184.0,
   "midpoint_distance_m": 171.5,
   "start_elevation_m": 748.656698784209,
   "end_elevation_m": 752.5452991784109,
   "start_xy": [
    4464336.357959785,
    2702409.6457780087
   ],
   "end_xy": [
    4464313.685364399,
    2702400.309351433
   ]
  },
  "max_50m": {
   "gradient_pct": 14.573581144250738,
   "start_distance_m": 159.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 184.0,
   "start_elevation_m": 748.656698784209,
   "end_elevation_m": 755.9434893563343,
   "start_xy": [
    4464336.357959785,
    2702409.6457780087
   ],
   "end_xy": [
    4464293.842970096,
    2702409.785463549
   ]
  },
  "max_100m": {
   "gradient_pct": 14.350245680855892,
   "start_distance_m": 303.0,
   "end_distance_m": 403.0,
   "midpoint_distance_m": 353.0,
   "start_elevation_m": 768.8369037116131,
   "end_elevation_m": 783.187149392469,
   "start_xy": [
    4464343.096376069,
    2702481.195029954
   ],
   "end_xy": [
    4464442.715337466,
    2702489.7626593006
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.2070175534199734,
   "start_distance_m": 1511.0,
   "end_distance_m": 1516.0,
   "midpoint_distance_m": 1513.5,
   "start_elevation_m": 912.1294576168686,
   "end_elevation_m": 912.1898084945396,
   "start_xy": [
    4465068.016901066,
    2702655.4188742046
   ],
   "end_xy": [
    4465072.472922096,
    2702653.1508634887
   ]
  },
  "min_10m": {
   "gradient_pct": 1.2980176433143242,
   "start_distance_m": 1508.0,
   "end_distance_m": 1518.0,
   "midpoint_distance_m": 1513.0,
   "start_elevation_m": 912.0891826069972,
   "end_elevation_m": 912.2189843713286,
   "start_xy": [
    4465065.343691031,
    2702656.7804716853
   ],
   "end_xy": [
    4465074.255599096,
    2702652.2441869914
   ]
  },
  "min_20m": {
   "gradient_pct": 1.5016327404441654,
   "start_distance_m": 1504.0,
   "end_distance_m": 1524.0,
   "midpoint_distance_m": 1514.0,
   "start_elevation_m": 912.0271970058759,
   "end_elevation_m": 912.3275235539647,
   "start_xy": [
    4465061.778671338,
    2702658.59448172
   ],
   "end_xy": [
    4465079.602621473,
    2702649.5221756147
   ]
  },
  "min_25m": {
   "gradient_pct": 1.5877106981583893,
   "start_distance_m": 1500.0,
   "end_distance_m": 1525.0,
   "midpoint_distance_m": 1512.5,
   "start_elevation_m": 911.9498657452166,
   "end_elevation_m": 912.3467934197562,
   "start_xy": [
    4465058.213857668,
    2702660.408896317
   ],
   "end_xy": [
    4465080.493894428,
    2702649.068708441
   ]
  },
  "min_50m": {
   "gradient_pct": 2.158517300209496,
   "start_distance_m": 1483.0,
   "end_distance_m": 1533.0,
   "midpoint_distance_m": 1508.0,
   "start_elevation_m": 911.4778746096688,
   "end_elevation_m": 912.5571332597735,
   "start_xy": [
    4465043.070987195,
    2702668.13498635
   ],
   "end_xy": [
    4465087.623257871,
    2702645.439360476
   ]
  },
  "min_100m": {
   "gradient_pct": 3.396882711527951,
   "start_distance_m": 1450.0,
   "end_distance_m": 1550.0,
   "midpoint_distance_m": 1500.0,
   "start_elevation_m": 909.8765680075547,
   "end_elevation_m": 913.2734507190827,
   "start_xy": [
    4465013.682073814,
    2702683.1418219935
   ],
   "end_xy": [
    4465103.160357342,
    2702638.5933537786
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 20.205032211151774,
   "start_distance_m": 1567.0,
   "end_distance_m": 1569.0,
   "midpoint_distance_m": 1568.0,
   "start_elevation_m": 914.3758752267415,
   "end_elevation_m": 914.7799758709646,
   "start_xy": [
    4465119.999007598,
    2702637.599959977
   ],
   "end_xy": [
    4465121.999001098,
    2702637.5949599966
   ]
  },
  "max_3m": {
   "gradient_pct": 16.76187394749225,
   "start_distance_m": 1566.0,
   "end_distance_m": 1569.0,
   "midpoint_distance_m": 1567.5,
   "start_elevation_m": 914.2771196525398,
   "end_elevation_m": 914.7799758709646,
   "start_xy": [
    4465118.999011298,
    2702637.6026399774
   ],
   "end_xy": [
    4465121.999001098,
    2702637.5949599966
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.21,
   "obstruction_max_height_m": 30.27,
   "flagged_windows_m": [
    5,
    10,
    20,
    25,
    50
   ]
  },
  "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_E4464-N2702.tif",
   "data/cache/at/bev-als_dtm_E4465-N2702.tif"
  ],
  "calculated_at": "2026-09-15T21:29:38+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": [
   "E4464-N2702",
   "E4465-N2702"
  ],
  "elevation_blocks": [
   "N2700000E4450000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2700000E4450000": "20220915"
  },
  "route_cut_m": 1680.6,
  "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": "Reith im Alpbachtal",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}