{
 "ocl_version": "0.1.0",
 "name": "Imlau",
 "slug": "imlau-3",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.264236986520473,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 396.0,
   "end_distance_m": 398.0,
   "start_elevation_m": 589.299623540034,
   "end_elevation_m": 589.8249082797644,
   "min_gradient_pct": -89.4132393442078,
   "suppressed_max_gradient_pct": 93.848315856809,
   "suppressed_location_m": [
    550.0,
    552.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.75733309321322,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 395.0,
   "end_distance_m": 398.0,
   "start_elevation_m": 589.052188286968,
   "end_elevation_m": 589.8249082797644,
   "min_gradient_pct": -73.23763654205777,
   "suppressed_max_gradient_pct": 80.87927714753202,
   "suppressed_location_m": [
    550.0,
    553.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.555366470948684,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 394.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 588.9655156911208,
   "end_elevation_m": 589.9932840146682,
   "min_gradient_pct": -41.132916859512534,
   "suppressed_max_gradient_pct": 59.54110866807923,
   "suppressed_location_m": [
    549.0,
    554.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 15.943176764723148,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1178.0,
   "end_distance_m": 1188.0,
   "start_elevation_m": 676.3544165190016,
   "end_elevation_m": 677.9487341954739,
   "min_gradient_pct": -15.634804387182157,
   "suppressed_max_gradient_pct": 34.87050764800642,
   "suppressed_location_m": [
    549.0,
    559.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.568744518988638,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1247.0,
   "end_distance_m": 1267.0,
   "start_elevation_m": 685.1644200607994,
   "end_elevation_m": 688.2781689645972,
   "min_gradient_pct": -2.2567500384673167,
   "suppressed_max_gradient_pct": 23.080965510343958,
   "suppressed_location_m": [
    549.0,
    569.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.296532947973446,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1245.0,
   "end_distance_m": 1270.0,
   "start_elevation_m": 684.8747943409655,
   "end_elevation_m": 688.6989275779589,
   "min_gradient_pct": 0.4724700866754574,
   "suppressed_max_gradient_pct": 21.054207660409702,
   "suppressed_location_m": [
    549.0,
    574.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.985192264717398,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1244.0,
   "end_distance_m": 1294.0,
   "start_elevation_m": 684.7301215079428,
   "end_elevation_m": 692.2227176403015,
   "min_gradient_pct": 5.143239904162783,
   "suppressed_max_gradient_pct": 16.277260572040177,
   "suppressed_location_m": [
    549.0,
    599.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.292052734912886,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1248.0,
   "end_distance_m": 1348.0,
   "start_elevation_m": 685.3178397535821,
   "end_elevation_m": 699.609892488495,
   "min_gradient_pct": 7.1202499479243215
  }
 ],
 "shape": {
  "ascent_concentration": 0.292,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 438.0,
  "shape_class": "sustained"
 },
 "length_m": 2022.0999999998369,
 "start_elevation_m": 555.1246782421721,
 "end_elevation_m": 783.606593754629,
 "endpoint_gain_m": 228.4819155124569,
 "overall_gradient_pct": 11.299239182655425,
 "accumulated_ascent_m": 230.8332288869551,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.555366470948684,
   "start_distance_m": 394.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 396.5,
   "start_elevation_m": 588.9655156911208,
   "end_elevation_m": 589.9932840146682,
   "start_xy": [
    4561433.508285236,
    2710301.7449622233
   ],
   "end_xy": [
    4561431.423035973,
    2710297.2200286197
   ]
  },
  "max_10m": {
   "gradient_pct": 15.943176764723148,
   "start_distance_m": 1178.0,
   "end_distance_m": 1188.0,
   "midpoint_distance_m": 1183.0,
   "start_elevation_m": 676.3544165190016,
   "end_elevation_m": 677.9487341954739,
   "start_xy": [
    4561459.307003283,
    2710106.202765033
   ],
   "end_xy": [
    4561452.004193142,
    2710099.371802797
   ]
  },
  "max_20m": {
   "gradient_pct": 15.568744518988638,
   "start_distance_m": 1247.0,
   "end_distance_m": 1267.0,
   "midpoint_distance_m": 1257.0,
   "start_elevation_m": 685.1644200607994,
   "end_elevation_m": 688.2781689645972,
   "start_xy": [
    4561413.173009245,
    2710062.2622771203
   ],
   "end_xy": [
    4561393.7080404805,
    2710059.2728030523
   ]
  },
  "max_25m": {
   "gradient_pct": 15.296532947973446,
   "start_distance_m": 1245.0,
   "end_distance_m": 1270.0,
   "midpoint_distance_m": 1257.5,
   "start_elevation_m": 684.8747943409655,
   "end_elevation_m": 688.6989275779589,
   "start_xy": [
    4561415.172852764,
    2710062.2872750857
   ],
   "end_xy": [
    4561391.808374533,
    2710056.9508925695
   ]
  },
  "max_50m": {
   "gradient_pct": 14.985192264717398,
   "start_distance_m": 1244.0,
   "end_distance_m": 1294.0,
   "midpoint_distance_m": 1269.0,
   "start_elevation_m": 684.7301215079428,
   "end_elevation_m": 692.2227176403015,
   "start_xy": [
    4561416.172768274,
    2710062.3002739875
   ],
   "end_xy": [
    4561376.963583591,
    2710038.150527481
   ]
  },
  "max_100m": {
   "gradient_pct": 14.292052734912886,
   "start_distance_m": 1248.0,
   "end_distance_m": 1348.0,
   "midpoint_distance_m": 1298.0,
   "start_elevation_m": 685.3178397535821,
   "end_elevation_m": 699.609892488495,
   "start_xy": [
    4561412.173093734,
    2710062.2492782185
   ],
   "end_xy": [
    4561358.650558798,
    2709987.4731160426
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -41.132916859512534,
   "start_distance_m": 544.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 546.5,
   "start_elevation_m": 602.9355288264359,
   "end_elevation_m": 600.8788829834602,
   "start_xy": [
    4561330.452938022,
    2710211.5845204345
   ],
   "end_xy": [
    4561325.5588101065,
    2710210.5611281428
   ]
  },
  "min_10m": {
   "gradient_pct": -15.634804387182157,
   "start_distance_m": 539.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 544.0,
   "start_elevation_m": 602.4423634221785,
   "end_elevation_m": 600.8788829834602,
   "start_xy": [
    4561335.291795953,
    2710212.818758652
   ],
   "end_xy": [
    4561325.5588101065,
    2710210.5611281428
   ]
  },
  "min_20m": {
   "gradient_pct": -2.2567500384673167,
   "start_distance_m": 529.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 539.0,
   "start_elevation_m": 601.3302329911537,
   "end_elevation_m": 600.8788829834602,
   "start_xy": [
    4561344.751973201,
    2710216.059906255
   ],
   "end_xy": [
    4561325.5588101065,
    2710210.5611281428
   ]
  },
  "min_25m": {
   "gradient_pct": 0.4724700866754574,
   "start_distance_m": 524.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 536.5,
   "start_elevation_m": 600.7607654617914,
   "end_elevation_m": 600.8788829834602,
   "start_xy": [
    4561349.505476541,
    2710217.6102731596
   ],
   "end_xy": [
    4561325.5588101065,
    2710210.5611281428
   ]
  },
  "min_50m": {
   "gradient_pct": 5.143239904162783,
   "start_distance_m": 605.0,
   "end_distance_m": 655.0,
   "midpoint_distance_m": 630.0,
   "start_elevation_m": 609.4734453339233,
   "end_elevation_m": 612.0450652860047,
   "start_xy": [
    4561273.705824336,
    2710222.353375807
   ],
   "end_xy": [
    4561260.860894854,
    2710208.161924181
   ]
  },
  "min_100m": {
   "gradient_pct": 7.1202499479243215,
   "start_distance_m": 591.0,
   "end_distance_m": 691.0,
   "midpoint_distance_m": 641.0,
   "start_elevation_m": 608.2588949985582,
   "end_elevation_m": 615.3791449464825,
   "start_xy": [
    4561284.715923453,
    2710213.870288553
   ],
   "end_xy": [
    4561292.399995943,
    2710190.9769882695
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.264236986520473,
   "start_distance_m": 396.0,
   "end_distance_m": 398.0,
   "midpoint_distance_m": 397.0,
   "start_elevation_m": 589.299623540034,
   "end_elevation_m": 589.8249082797644,
   "start_xy": [
    4561432.578051475,
    2710299.97446367
   ],
   "end_xy": [
    4561431.690848454,
    2710298.183499662
   ]
  },
  "max_3m": {
   "gradient_pct": 25.75733309321322,
   "start_distance_m": 395.0,
   "end_distance_m": 398.0,
   "midpoint_distance_m": 396.5,
   "start_elevation_m": 589.052188286968,
   "end_elevation_m": 589.8249082797644,
   "start_xy": [
    4561433.043157308,
    2710300.859718748
   ],
   "end_xy": [
    4561431.690848454,
    2710298.183499662
   ]
  }
 },
 "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": 0.023,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.035,
   "obstruction_max_height_m": 20.74,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    525.0,
    571.0
   ]
  ],
  "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_E4560-N2709.tif",
   "data/cache/at/bev-als_dtm_E4560-N2710.tif",
   "data/cache/at/bev-als_dtm_E4561-N2709.tif",
   "data/cache/at/bev-als_dtm_E4561-N2710.tif"
  ],
  "calculated_at": "2026-09-11T19:00:35+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.osm.pbf",
  "osm_snapshot": "",
  "run_id": "at-extent-260911",
  "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": [
   "E4560-N2709",
   "E4560-N2710",
   "E4561-N2709",
   "E4561-N2710"
  ],
  "elevation_blocks": [
   "N2700000E4550000@2022-09-15"
  ],
  "route_cut_m": 2022.1,
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Werfen",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}