{
 "ocl_version": "0.1.0",
 "name": "Ottenhofenstrasse",
 "slug": "ottenhofenstrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.098766901115596,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2655.0,
   "end_distance_m": 2657.0,
   "start_elevation_m": 952.3702365278941,
   "end_elevation_m": 953.0522118659164,
   "min_gradient_pct": -9.94915981179929
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.689003039601477,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2655.0,
   "end_distance_m": 2658.0,
   "start_elevation_m": 952.3702365278941,
   "end_elevation_m": 953.3209066190822,
   "min_gradient_pct": -7.094467889366267
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.582189032701535,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2653.0,
   "end_distance_m": 2658.0,
   "start_elevation_m": 951.9917971674471,
   "end_elevation_m": 953.3209066190822,
   "min_gradient_pct": -3.199510653653306
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 18.972511121170328,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2648.0,
   "end_distance_m": 2658.0,
   "start_elevation_m": 951.4236555069651,
   "end_elevation_m": 953.3209066190822,
   "min_gradient_pct": 1.6965818414905698
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.225607562522327,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2639.0,
   "end_distance_m": 2659.0,
   "start_elevation_m": 950.3922411590657,
   "end_elevation_m": 953.4373626715702,
   "min_gradient_pct": 1.9050203961637635
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 14.375032060580907,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2634.0,
   "end_distance_m": 2659.0,
   "start_elevation_m": 949.843604656425,
   "end_elevation_m": 953.4373626715702,
   "min_gradient_pct": 1.998011696030062
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 13.38705666470446,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2609.0,
   "end_distance_m": 2659.0,
   "start_elevation_m": 946.743834339218,
   "end_elevation_m": 953.4373626715702,
   "min_gradient_pct": 2.1493731527784803
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.921859809017178,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1995.0,
   "end_distance_m": 2095.0,
   "start_elevation_m": 880.9487136010745,
   "end_elevation_m": 893.8705734100917,
   "min_gradient_pct": 2.4017476407627782
  }
 ],
 "shape": {
  "ascent_concentration": 0.288,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 625.0,
  "shape_class": "sustained"
 },
 "length_m": 2906.55913800737,
 "start_elevation_m": 684.0134078513069,
 "end_elevation_m": 978.1106825068223,
 "endpoint_gain_m": 294.09727465551543,
 "overall_gradient_pct": 10.118399822311467,
 "accumulated_ascent_m": 294.377430355711,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.582189032701535,
   "start_distance_m": 2653.0,
   "end_distance_m": 2658.0,
   "midpoint_distance_m": 2655.5,
   "start_elevation_m": 951.9917971674471,
   "end_elevation_m": 953.3209066190822,
   "start_xy": [
    2721575.670018967,
    1233761.7645448314
   ],
   "end_xy": [
    2721577.1862474047,
    1233756.9999828027
   ]
  },
  "max_10m": {
   "gradient_pct": 18.972511121170328,
   "start_distance_m": 2648.0,
   "end_distance_m": 2658.0,
   "midpoint_distance_m": 2653.0,
   "start_elevation_m": 951.4236555069651,
   "end_elevation_m": 953.3209066190822,
   "start_xy": [
    2721574.153790529,
    1233766.52910686
   ],
   "end_xy": [
    2721577.1862474047,
    1233756.9999828027
   ]
  },
  "max_20m": {
   "gradient_pct": 15.225607562522327,
   "start_distance_m": 2639.0,
   "end_distance_m": 2659.0,
   "midpoint_distance_m": 2649.0,
   "start_elevation_m": 950.3922411590657,
   "end_elevation_m": 953.4373626715702,
   "start_xy": [
    2721571.422328692,
    1233775.1044785443
   ],
   "end_xy": [
    2721577.2997145425,
    1233756.043164721
   ]
  },
  "max_25m": {
   "gradient_pct": 14.375032060580907,
   "start_distance_m": 2634.0,
   "end_distance_m": 2659.0,
   "midpoint_distance_m": 2646.5,
   "start_elevation_m": 949.843604656425,
   "end_elevation_m": 953.4373626715702,
   "start_xy": [
    2721569.4462356945,
    1233779.6974140399
   ],
   "end_xy": [
    2721577.2997145425,
    1233756.043164721
   ]
  },
  "max_50m": {
   "gradient_pct": 13.38705666470446,
   "start_distance_m": 2609.0,
   "end_distance_m": 2659.0,
   "midpoint_distance_m": 2634.0,
   "start_elevation_m": 946.743834339218,
   "end_elevation_m": 953.4373626715702,
   "start_xy": [
    2721554.40746261,
    1233799.2805300523
   ],
   "end_xy": [
    2721577.2997145425,
    1233756.043164721
   ]
  },
  "max_100m": {
   "gradient_pct": 12.921859809017178,
   "start_distance_m": 1995.0,
   "end_distance_m": 2095.0,
   "midpoint_distance_m": 2045.0,
   "start_elevation_m": 880.9487136010745,
   "end_elevation_m": 893.8705734100917,
   "start_xy": [
    2721213.08035273,
    1233598.3866824142
   ],
   "end_xy": [
    2721265.5649258248,
    1233633.880325859
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.199510653653306,
   "start_distance_m": 2659.0,
   "end_distance_m": 2664.0,
   "midpoint_distance_m": 2661.5,
   "start_elevation_m": 953.4373626715702,
   "end_elevation_m": 953.2773871388875,
   "start_xy": [
    2721577.2997145425,
    1233756.043164721
   ],
   "end_xy": [
    2721575.9807979707,
    1233751.2202549065
   ]
  },
  "min_10m": {
   "gradient_pct": 1.6965818414905698,
   "start_distance_m": 2525.0,
   "end_distance_m": 2535.0,
   "midpoint_distance_m": 2530.0,
   "start_elevation_m": 940.9520004534547,
   "end_elevation_m": 941.1216586376038,
   "start_xy": [
    2721485.937234574,
    1233845.5679088333
   ],
   "end_xy": [
    2721495.5288857887,
    1233842.7617476163
   ]
  },
  "min_20m": {
   "gradient_pct": 1.9050203961637635,
   "start_distance_m": 2525.0,
   "end_distance_m": 2545.0,
   "midpoint_distance_m": 2535.0,
   "start_elevation_m": 940.9520004534547,
   "end_elevation_m": 941.3330045326875,
   "start_xy": [
    2721485.937234574,
    1233845.5679088333
   ],
   "end_xy": [
    2721504.5916936127,
    1233838.627030931
   ]
  },
  "min_25m": {
   "gradient_pct": 1.998011696030062,
   "start_distance_m": 402.0,
   "end_distance_m": 427.0,
   "midpoint_distance_m": 414.5,
   "start_elevation_m": 718.0302807431202,
   "end_elevation_m": 718.5297836671277,
   "start_xy": [
    2720671.656977436,
    1233136.2349065477
   ],
   "end_xy": [
    2720684.3631648556,
    1233114.7046301619
   ]
  },
  "min_50m": {
   "gradient_pct": 2.1493731527784803,
   "start_distance_m": 399.0,
   "end_distance_m": 449.0,
   "midpoint_distance_m": 424.0,
   "start_elevation_m": 717.9649541512856,
   "end_elevation_m": 719.0396407276749,
   "start_xy": [
    2720670.1322349454,
    1233138.818539714
   ],
   "end_xy": [
    2720695.5446097855,
    1233095.7579869425
   ]
  },
  "min_100m": {
   "gradient_pct": 2.4017476407627782,
   "start_distance_m": 384.0,
   "end_distance_m": 484.0,
   "midpoint_distance_m": 434.0,
   "start_elevation_m": 717.5648277952075,
   "end_elevation_m": 719.9665754359703,
   "start_xy": [
    2720661.6423127367,
    1233151.1832649596
   ],
   "end_xy": [
    2720713.3332721735,
    1233065.6156000025
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.098766901115596,
   "start_distance_m": 2655.0,
   "end_distance_m": 2657.0,
   "midpoint_distance_m": 2656.0,
   "start_elevation_m": 952.3702365278941,
   "end_elevation_m": 953.0522118659164,
   "start_xy": [
    2721576.276510342,
    1233759.85872002
   ],
   "end_xy": [
    2721576.883001717,
    1233757.9528952085
   ]
  },
  "max_3m": {
   "gradient_pct": 31.689003039601477,
   "start_distance_m": 2655.0,
   "end_distance_m": 2658.0,
   "midpoint_distance_m": 2656.5,
   "start_elevation_m": 952.3702365278941,
   "end_elevation_m": 953.3209066190822,
   "start_xy": [
    2721576.276510342,
    1233759.85872002
   ],
   "end_xy": [
    2721577.1862474047,
    1233756.9999828027
   ]
  }
 },
 "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_2020_2720-1233_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2721-1233_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:29:51+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-run7-260911",
  "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": [
   "2720-1233",
   "2721-1233"
  ],
  "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": "Gommiswald",
  "county": "St. Gallen",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}