{
 "ocl_version": "0.1.0",
 "name": "Kerngrabenweg",
 "slug": "kerngrabenweg",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 38.02310378925995,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1069.0,
   "end_distance_m": 1071.0,
   "start_elevation_m": 923.8769166140747,
   "end_elevation_m": 924.6373786898599,
   "min_gradient_pct": -2.7547821065752487
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 36.84571448346787,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1068.0,
   "end_distance_m": 1071.0,
   "start_elevation_m": 923.5320072553559,
   "end_elevation_m": 924.6373786898599,
   "min_gradient_pct": -0.393624890295996
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 33.563613695812364,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1066.0,
   "end_distance_m": 1071.0,
   "start_elevation_m": 922.9591980050693,
   "end_elevation_m": 924.6373786898599,
   "min_gradient_pct": 1.0065189838701372
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.193931654930566,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1062.0,
   "end_distance_m": 1072.0,
   "start_elevation_m": 922.3579336595233,
   "end_elevation_m": 924.8773268250163,
   "min_gradient_pct": 2.6319463665322473
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.821590194832652,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1447.0,
   "end_distance_m": 1467.0,
   "start_elevation_m": 985.3564952568447,
   "end_elevation_m": 989.7208132958112,
   "min_gradient_pct": 5.969714506321111
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.529222198267234,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1445.0,
   "end_distance_m": 1470.0,
   "start_elevation_m": 984.9375150705105,
   "end_elevation_m": 990.3198206200773,
   "min_gradient_pct": 5.207939564935259
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.614168035213424,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1441.0,
   "end_distance_m": 1491.0,
   "start_elevation_m": 984.1480071063315,
   "end_elevation_m": 994.4550911239382,
   "min_gradient_pct": 7.630474854805016
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.79640515306312,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1420.0,
   "end_distance_m": 1520.0,
   "start_elevation_m": 980.1996086134424,
   "end_elevation_m": 999.9960137665055,
   "min_gradient_pct": 9.874385741946298
  }
 ],
 "shape": {
  "ascent_concentration": 0.321,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 486.0,
  "shape_class": "sustained"
 },
 "length_m": 1578.7145954547764,
 "start_elevation_m": 794.4587526161994,
 "end_elevation_m": 1010.1050806021035,
 "endpoint_gain_m": 215.64632798590412,
 "overall_gradient_pct": 13.659614512133109,
 "accumulated_ascent_m": 215.7897269773673,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 33.563613695812364,
   "start_distance_m": 1066.0,
   "end_distance_m": 1071.0,
   "midpoint_distance_m": 1068.5,
   "start_elevation_m": 922.9591980050693,
   "end_elevation_m": 924.6373786898599,
   "start_xy": [
    4745627.237822925,
    2746159.219293536
   ],
   "end_xy": [
    4745632.145115085,
    2746160.177669065
   ]
  },
  "max_10m": {
   "gradient_pct": 25.193931654930566,
   "start_distance_m": 1062.0,
   "end_distance_m": 1072.0,
   "midpoint_distance_m": 1067.0,
   "start_elevation_m": 922.3579336595233,
   "end_elevation_m": 924.8773268250163,
   "start_xy": [
    4745623.311989197,
    2746158.4525931133
   ],
   "end_xy": [
    4745633.126573517,
    2746160.3693441707
   ]
  },
  "max_20m": {
   "gradient_pct": 21.821590194832652,
   "start_distance_m": 1447.0,
   "end_distance_m": 1467.0,
   "midpoint_distance_m": 1457.0,
   "start_elevation_m": 985.3564952568447,
   "end_elevation_m": 989.7208132958112,
   "start_xy": [
    4745984.230856557,
    2746151.6388975615
   ],
   "end_xy": [
    4746002.635929642,
    2746144.046408802
   ]
  },
  "max_25m": {
   "gradient_pct": 21.529222198267234,
   "start_distance_m": 1445.0,
   "end_distance_m": 1470.0,
   "midpoint_distance_m": 1457.5,
   "start_elevation_m": 984.9375150705105,
   "end_elevation_m": 990.3198206200773,
   "start_xy": [
    4745982.477312779,
    2746152.600710546
   ],
   "end_xy": [
    4746005.493525562,
    2746143.133093107
   ]
  },
  "max_50m": {
   "gradient_pct": 20.614168035213424,
   "start_distance_m": 1441.0,
   "end_distance_m": 1491.0,
   "midpoint_distance_m": 1466.0,
   "start_elevation_m": 984.1480071063315,
   "end_elevation_m": 994.4550911239382,
   "start_xy": [
    4745978.970225222,
    2746154.5243365155
   ],
   "end_xy": [
    4746025.496697001,
    2746136.739883242
   ]
  },
  "max_100m": {
   "gradient_pct": 19.79640515306312,
   "start_distance_m": 1420.0,
   "end_distance_m": 1520.0,
   "midpoint_distance_m": 1470.0,
   "start_elevation_m": 980.1996086134424,
   "end_elevation_m": 999.9960137665055,
   "start_xy": [
    4745960.754815472,
    2746164.9236541376
   ],
   "end_xy": [
    4746054.017470638,
    2746132.3720269185
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.0065189838701372,
   "start_distance_m": 622.0,
   "end_distance_m": 627.0,
   "midpoint_distance_m": 624.5,
   "start_elevation_m": 862.3651057704564,
   "end_elevation_m": 862.4154317196499,
   "start_xy": [
    4745192.338862553,
    2746149.9622190315
   ],
   "end_xy": [
    4745197.313317211,
    2746149.4574410007
   ]
  },
  "min_10m": {
   "gradient_pct": 2.6319463665322473,
   "start_distance_m": 620.0,
   "end_distance_m": 630.0,
   "midpoint_distance_m": 625.0,
   "start_elevation_m": 862.2495551798459,
   "end_elevation_m": 862.5127498164991,
   "start_xy": [
    4745190.34908069,
    2746150.164130244
   ],
   "end_xy": [
    4745200.297990005,
    2746149.1545741824
   ]
  },
  "min_20m": {
   "gradient_pct": 5.969714506321111,
   "start_distance_m": 622.0,
   "end_distance_m": 642.0,
   "midpoint_distance_m": 632.0,
   "start_elevation_m": 862.3651057704564,
   "end_elevation_m": 863.5590486717206,
   "start_xy": [
    4745192.338862553,
    2746149.9622190315
   ],
   "end_xy": [
    4745212.236681184,
    2746147.9431069084
   ]
  },
  "min_25m": {
   "gradient_pct": 5.207939564935259,
   "start_distance_m": 622.0,
   "end_distance_m": 647.0,
   "midpoint_distance_m": 634.5,
   "start_elevation_m": 862.3651057704564,
   "end_elevation_m": 863.6670906616902,
   "start_xy": [
    4745192.338862553,
    2746149.9622190315
   ],
   "end_xy": [
    4745217.211135841,
    2746147.4383288776
   ]
  },
  "min_50m": {
   "gradient_pct": 7.630474854805016,
   "start_distance_m": 600.0,
   "end_distance_m": 650.0,
   "midpoint_distance_m": 625.0,
   "start_elevation_m": 859.9649649066896,
   "end_elevation_m": 863.7802023340921,
   "start_xy": [
    4745170.451262061,
    2746152.1832423676
   ],
   "end_xy": [
    4745220.195808635,
    2746147.1354620587
   ]
  },
  "min_100m": {
   "gradient_pct": 9.874385741946298,
   "start_distance_m": 550.0,
   "end_distance_m": 650.0,
   "midpoint_distance_m": 600.0,
   "start_elevation_m": 853.9058165921458,
   "end_elevation_m": 863.7802023340921,
   "start_xy": [
    4745120.469516727,
    2746153.1289119176
   ],
   "end_xy": [
    4745220.195808635,
    2746147.1354620587
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 38.02310378925995,
   "start_distance_m": 1069.0,
   "end_distance_m": 1071.0,
   "midpoint_distance_m": 1070.0,
   "start_elevation_m": 923.8769166140747,
   "end_elevation_m": 924.6373786898599,
   "start_xy": [
    4745630.182198221,
    2746159.7943188534
   ],
   "end_xy": [
    4745632.145115085,
    2746160.177669065
   ]
  },
  "max_3m": {
   "gradient_pct": 36.84571448346787,
   "start_distance_m": 1068.0,
   "end_distance_m": 1071.0,
   "midpoint_distance_m": 1069.5,
   "start_elevation_m": 923.5320072553559,
   "end_elevation_m": 924.6373786898599,
   "start_xy": [
    4745629.200739789,
    2746159.602643748
   ],
   "end_xy": [
    4745632.145115085,
    2746160.177669065
   ]
  }
 },
 "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": 0.551,
   "obstruction_max_height_m": 23.41,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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_E4744-N2745.tif",
   "data/cache/at/bev-als_dtm_E4744-N2746.tif",
   "data/cache/at/bev-als_dtm_E4745-N2745.tif",
   "data/cache/at/bev-als_dtm_E4745-N2746.tif",
   "data/cache/at/bev-als_dtm_E4746-N2745.tif",
   "data/cache/at/bev-als_dtm_E4746-N2746.tif"
  ],
  "calculated_at": "2026-09-11T07:23:42+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-run1-260911",
  "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": [
   "E4744-N2745",
   "E4744-N2746",
   "E4745-N2745",
   "E4745-N2746",
   "E4746-N2745",
   "E4746-N2746"
  ],
  "elevation_blocks": [
   "N2700000E4700000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Neuberg an der M\u00fcrz",
  "county": "Steiermark",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}