{
 "ocl_version": "0.1.0",
 "name": "Tannenbergstrasse",
 "slug": "tannenbergstrasse-5",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 15.685662934617994,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 675.0,
   "end_distance_m": 677.0,
   "start_elevation_m": 1064.2058782434874,
   "end_elevation_m": 1064.5195915021798,
   "min_gradient_pct": 4.089642931171511
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 14.381469521837667,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 739.0,
   "end_distance_m": 742.0,
   "start_elevation_m": 1071.4584612138037,
   "end_elevation_m": 1071.8899052994589,
   "min_gradient_pct": 4.655935872422863
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 13.555598784582799,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 462.0,
   "end_distance_m": 467.0,
   "start_elevation_m": 1039.4742560875022,
   "end_elevation_m": 1040.1520360267314,
   "min_gradient_pct": 5.305412905377125
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 13.023929158466672,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 462.0,
   "end_distance_m": 472.0,
   "start_elevation_m": 1039.4742560875022,
   "end_elevation_m": 1040.776649003349,
   "min_gradient_pct": 6.108721597538533
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 12.246220452639136,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1008.0,
   "end_distance_m": 1028.0,
   "start_elevation_m": 1101.1828702275598,
   "end_elevation_m": 1103.6321143180876,
   "min_gradient_pct": 6.582644878963038
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 12.231982197487014,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1006.0,
   "end_distance_m": 1031.0,
   "start_elevation_m": 1100.9389209537117,
   "end_elevation_m": 1103.9969165030834,
   "min_gradient_pct": 6.664629724755287
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 12.084267969199573,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 462.0,
   "end_distance_m": 512.0,
   "start_elevation_m": 1039.4742560875022,
   "end_elevation_m": 1045.516390072102,
   "min_gradient_pct": 7.518929658085199
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 11.845563947628762,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 462.0,
   "end_distance_m": 562.0,
   "start_elevation_m": 1039.4742560875022,
   "end_elevation_m": 1051.319820035131,
   "min_gradient_pct": 8.554364663895285
  }
 ],
 "shape": {
  "ascent_concentration": 0.273,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 477.0,
  "shape_class": "sustained"
 },
 "length_m": 1546.7751090927109,
 "start_elevation_m": 990.0261624462756,
 "end_elevation_m": 1153.0536839843774,
 "endpoint_gain_m": 163.02752153810172,
 "overall_gradient_pct": 10.5398335271718,
 "accumulated_ascent_m": 163.04500874190023,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 13.555598784582799,
   "start_distance_m": 462.0,
   "end_distance_m": 467.0,
   "midpoint_distance_m": 464.5,
   "start_elevation_m": 1039.4742560875022,
   "end_elevation_m": 1040.1520360267314,
   "start_xy": [
    2724386.1883241865,
    1204378.7610896036
   ],
   "end_xy": [
    2724382.963729832,
    1204374.9684919913
   ]
  },
  "max_10m": {
   "gradient_pct": 13.023929158466672,
   "start_distance_m": 462.0,
   "end_distance_m": 472.0,
   "midpoint_distance_m": 467.0,
   "start_elevation_m": 1039.4742560875022,
   "end_elevation_m": 1040.776649003349,
   "start_xy": [
    2724386.1883241865,
    1204378.7610896036
   ],
   "end_xy": [
    2724380.2237201068,
    1204370.7861067022
   ]
  },
  "max_20m": {
   "gradient_pct": 12.246220452639136,
   "start_distance_m": 1008.0,
   "end_distance_m": 1028.0,
   "midpoint_distance_m": 1018.0,
   "start_elevation_m": 1101.1828702275598,
   "end_elevation_m": 1103.6321143180876,
   "start_xy": [
    2724133.388392862,
    1203907.6436852526
   ],
   "end_xy": [
    2724129.405200797,
    1203888.0443439123
   ]
  },
  "max_25m": {
   "gradient_pct": 12.231982197487014,
   "start_distance_m": 1006.0,
   "end_distance_m": 1031.0,
   "midpoint_distance_m": 1018.5,
   "start_elevation_m": 1100.9389209537117,
   "end_elevation_m": 1103.9969165030834,
   "start_xy": [
    2724133.7867120686,
    1203909.6036193867
   ],
   "end_xy": [
    2724128.8077219874,
    1203885.1044427112
   ]
  },
  "max_50m": {
   "gradient_pct": 12.084267969199573,
   "start_distance_m": 462.0,
   "end_distance_m": 512.0,
   "midpoint_distance_m": 487.0,
   "start_elevation_m": 1039.4742560875022,
   "end_elevation_m": 1045.516390072102,
   "start_xy": [
    2724386.1883241865,
    1204378.7610896036
   ],
   "end_xy": [
    2724355.7891074605,
    1204339.5471311903
   ]
  },
  "max_100m": {
   "gradient_pct": 11.845563947628762,
   "start_distance_m": 462.0,
   "end_distance_m": 562.0,
   "midpoint_distance_m": 512.0,
   "start_elevation_m": 1039.4742560875022,
   "end_elevation_m": 1051.319820035131,
   "start_xy": [
    2724386.1883241865,
    1204378.7610896036
   ],
   "end_xy": [
    2724318.0428848397,
    1204307.0154457665
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 5.305412905377125,
   "start_distance_m": 1374.0,
   "end_distance_m": 1379.0,
   "midpoint_distance_m": 1376.5,
   "start_elevation_m": 1136.58979456639,
   "end_elevation_m": 1136.855065211659,
   "start_xy": [
    2724327.9635297884,
    1203893.2136949499
   ],
   "end_xy": [
    2724332.8686909135,
    1203894.182918523
   ]
  },
  "min_10m": {
   "gradient_pct": 6.108721597538533,
   "start_distance_m": 1380.0,
   "end_distance_m": 1390.0,
   "midpoint_distance_m": 1385.0,
   "start_elevation_m": 1136.9723613850133,
   "end_elevation_m": 1137.5832335447672,
   "start_xy": [
    2724333.849723139,
    1203894.3767632374
   ],
   "end_xy": [
    2724343.6600453896,
    1203896.3152103834
   ]
  },
  "min_20m": {
   "gradient_pct": 6.582644878963038,
   "start_distance_m": 1374.0,
   "end_distance_m": 1394.0,
   "midpoint_distance_m": 1384.0,
   "start_elevation_m": 1136.58979456639,
   "end_elevation_m": 1137.9063235421827,
   "start_xy": [
    2724327.9635297884,
    1203893.2136949499
   ],
   "end_xy": [
    2724347.58417429,
    1203897.0905892416
   ]
  },
  "min_25m": {
   "gradient_pct": 6.664629724755287,
   "start_distance_m": 1366.0,
   "end_distance_m": 1391.0,
   "midpoint_distance_m": 1378.5,
   "start_elevation_m": 1135.9846806159494,
   "end_elevation_m": 1137.6508380471382,
   "start_xy": [
    2724320.115271988,
    1203891.6629372332
   ],
   "end_xy": [
    2724344.641077615,
    1203896.5090550978
   ]
  },
  "min_50m": {
   "gradient_pct": 7.518929658085199,
   "start_distance_m": 1364.0,
   "end_distance_m": 1414.0,
   "midpoint_distance_m": 1389.0,
   "start_elevation_m": 1135.8641525792352,
   "end_elevation_m": 1139.6236174082778,
   "start_xy": [
    2724318.1532075377,
    1203891.2752478041
   ],
   "end_xy": [
    2724360.315604149,
    1203886.2619196284
   ]
  },
  "min_100m": {
   "gradient_pct": 8.554364663895285,
   "start_distance_m": 1318.0,
   "end_distance_m": 1418.0,
   "midpoint_distance_m": 1368.0,
   "start_elevation_m": 1131.4706903524439,
   "end_elevation_m": 1140.0250550163391,
   "start_xy": [
    2724272.9682211606,
    1203882.6598770828
   ],
   "end_xy": [
    2724359.771584445,
    1203882.324011529
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 15.685662934617994,
   "start_distance_m": 675.0,
   "end_distance_m": 677.0,
   "midpoint_distance_m": 676.0,
   "start_elevation_m": 1064.2058782434874,
   "end_elevation_m": 1064.5195915021798,
   "start_xy": [
    2724251.066094602,
    1204216.6303920103
   ],
   "end_xy": [
    2724250.3637401294,
    1204214.757774005
   ]
  },
  "max_3m": {
   "gradient_pct": 14.381469521837667,
   "start_distance_m": 739.0,
   "end_distance_m": 742.0,
   "midpoint_distance_m": 740.5,
   "start_elevation_m": 1071.4584612138037,
   "end_elevation_m": 1071.8899052994589,
   "start_xy": [
    2724226.5232712035,
    1204158.0001237015
   ],
   "end_xy": [
    2724225.281761267,
    1204155.2690702276
   ]
  }
 },
 "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": {
  "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:2056",
  "elevation_resolution_m": 0.5,
  "elevation_tiles": [
   "data/cache/ch/swissalti3d_2019_2724-1203_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2724-1204_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:28:15+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10-batch.osm.pbf",
  "osm_snapshot": "",
  "run_id": "ch-run6-260910",
  "elevation_provider": "swisstopo swissALTI3D",
  "elevation_licence": "swisstopo open government data (OGD): free use, attribution '\u00a9 swisstopo' \u2014 https://www.swisstopo.admin.ch/en/terms-and-conditions",
  "elevation_dataset": "swissALTI3D 0.5 m DTM (Federal Office of Topography swisstopo)",
  "elevation_tile_ids": [
   "2724-1203",
   "2724-1204"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Glarus S\u00fcd",
  "county": "Glarus",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}