{
 "ocl_version": "0.1.0",
 "name": "Heinzenbergstrasse",
 "slug": "heinzenbergstrasse-3",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 20.69292941725962,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 3943.0,
   "end_distance_m": 3945.0,
   "start_elevation_m": 1261.5479875697056,
   "end_elevation_m": 1261.9618461580508,
   "min_gradient_pct": -1.948972637501356
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.40091597269414,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 3943.0,
   "end_distance_m": 3946.0,
   "start_elevation_m": 1261.5479875697056,
   "end_elevation_m": 1262.1600150488864,
   "min_gradient_pct": -1.1635346893172027
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 19.809606777366753,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3943.0,
   "end_distance_m": 3948.0,
   "start_elevation_m": 1261.5479875697056,
   "end_elevation_m": 1262.538467908574,
   "min_gradient_pct": -0.09900708592795127
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.929842612395532,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3941.0,
   "end_distance_m": 3951.0,
   "start_elevation_m": 1261.2406545105443,
   "end_elevation_m": 1263.033638771784,
   "min_gradient_pct": 0.21125608552665653
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.64084634793312,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3678.0,
   "end_distance_m": 3698.0,
   "start_elevation_m": 1234.43354932409,
   "end_elevation_m": 1237.7617185936767,
   "min_gradient_pct": 0.8817957676296828
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.493285232148992,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3669.0,
   "end_distance_m": 3694.0,
   "start_elevation_m": 1232.9996765814794,
   "end_elevation_m": 1237.1229978895167,
   "min_gradient_pct": 1.288588344915297
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.475211022396252,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3666.0,
   "end_distance_m": 3716.0,
   "start_elevation_m": 1232.5309580842456,
   "end_elevation_m": 1240.2685635954438,
   "min_gradient_pct": 3.045700535303695
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.136939384086418,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3666.0,
   "end_distance_m": 3766.0,
   "start_elevation_m": 1232.5309580842456,
   "end_elevation_m": 1247.667897468332,
   "min_gradient_pct": 5.790699768344439
  }
 ],
 "shape": {
  "ascent_concentration": 0.277,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 348.0,
  "shape_class": "sustained"
 },
 "length_m": 6832.8323897232385,
 "start_elevation_m": 883.3608341777376,
 "end_elevation_m": 1545.4780002285142,
 "endpoint_gain_m": 662.1171660507766,
 "overall_gradient_pct": 9.6902298825099,
 "accumulated_ascent_m": 662.2649607833364,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 19.809606777366753,
   "start_distance_m": 3943.0,
   "end_distance_m": 3948.0,
   "midpoint_distance_m": 3945.5,
   "start_elevation_m": 1261.5479875697056,
   "end_elevation_m": 1262.538467908574,
   "start_xy": [
    2750085.8552996903,
    1173012.9746819262
   ],
   "end_xy": [
    2750082.091872022,
    1173016.2525687062
   ]
  },
  "max_10m": {
   "gradient_pct": 17.929842612395532,
   "start_distance_m": 3941.0,
   "end_distance_m": 3951.0,
   "midpoint_distance_m": 3946.0,
   "start_elevation_m": 1261.2406545105443,
   "end_elevation_m": 1263.033638771784,
   "start_xy": [
    2750087.4141768436,
    1173011.7217246164
   ],
   "end_xy": [
    2750080.0229913346,
    1173018.4250632867
   ]
  },
  "max_20m": {
   "gradient_pct": 16.64084634793312,
   "start_distance_m": 3678.0,
   "end_distance_m": 3698.0,
   "midpoint_distance_m": 3688.0,
   "start_elevation_m": 1234.43354932409,
   "end_elevation_m": 1237.7617185936767,
   "start_xy": [
    2750281.516879673,
    1173031.4628525132
   ],
   "end_xy": [
    2750265.189915785,
    1173020.8665591194
   ]
  },
  "max_25m": {
   "gradient_pct": 16.493285232148992,
   "start_distance_m": 3669.0,
   "end_distance_m": 3694.0,
   "midpoint_distance_m": 3681.5,
   "start_elevation_m": 1232.9996765814794,
   "end_elevation_m": 1237.1229978895167,
   "start_xy": [
    2750285.887833585,
    1173039.330166802
   ],
   "end_xy": [
    2750268.940166193,
    1173022.257825405
   ]
  },
  "max_50m": {
   "gradient_pct": 15.475211022396252,
   "start_distance_m": 3666.0,
   "end_distance_m": 3716.0,
   "midpoint_distance_m": 3691.0,
   "start_elevation_m": 1232.5309580842456,
   "end_elevation_m": 1240.2685635954438,
   "start_xy": [
    2750287.3389801783,
    1173041.955842632
   ],
   "end_xy": [
    2750247.348448322,
    1173020.6948181482
   ]
  },
  "max_100m": {
   "gradient_pct": 15.136939384086418,
   "start_distance_m": 3666.0,
   "end_distance_m": 3766.0,
   "midpoint_distance_m": 3716.0,
   "start_elevation_m": 1232.5309580842456,
   "end_elevation_m": 1247.667897468332,
   "start_xy": [
    2750287.3389801783,
    1173041.955842632
   ],
   "end_xy": [
    2750215.1824934133,
    1173056.099015212
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.09900708592795127,
   "start_distance_m": 3817.0,
   "end_distance_m": 3822.0,
   "midpoint_distance_m": 3819.5,
   "start_elevation_m": 1253.0599777443608,
   "end_elevation_m": 1253.0550273900644,
   "start_xy": [
    2750173.5755735305,
    1173084.2437708937
   ],
   "end_xy": [
    2750168.690870272,
    1173084.9115701695
   ]
  },
  "min_10m": {
   "gradient_pct": 0.21125608552665653,
   "start_distance_m": 3973.0,
   "end_distance_m": 3983.0,
   "midpoint_distance_m": 3978.0,
   "start_elevation_m": 1264.066088273675,
   "end_elevation_m": 1264.0872138822276,
   "start_xy": [
    2750068.3232868533,
    1173036.9884777283
   ],
   "end_xy": [
    2750063.2144771507,
    1173045.5849923373
   ]
  },
  "min_20m": {
   "gradient_pct": 0.8817957676296828,
   "start_distance_m": 3967.0,
   "end_distance_m": 3987.0,
   "midpoint_distance_m": 3977.0,
   "start_elevation_m": 1263.9996928088476,
   "end_elevation_m": 1264.1760519623735,
   "start_xy": [
    2750071.388572675,
    1173031.830568963
   ],
   "end_xy": [
    2750061.1709532696,
    1173049.0235981809
   ]
  },
  "min_25m": {
   "gradient_pct": 1.288588344915297,
   "start_distance_m": 3964.0,
   "end_distance_m": 3989.0,
   "midpoint_distance_m": 3976.5,
   "start_elevation_m": 1263.9213254821852,
   "end_elevation_m": 1264.243472568414,
   "start_xy": [
    2750072.921215586,
    1173029.2516145804
   ],
   "end_xy": [
    2750060.1491913293,
    1173050.7429011026
   ]
  },
  "min_50m": {
   "gradient_pct": 3.045700535303695,
   "start_distance_m": 3804.0,
   "end_distance_m": 3854.0,
   "midpoint_distance_m": 3829.0,
   "start_elevation_m": 1252.497263215884,
   "end_elevation_m": 1254.0201134835359,
   "start_xy": [
    2750185.445715656,
    1173079.3601574095
   ],
   "end_xy": [
    2750144.779657157,
    1173066.1109008389
   ]
  },
  "min_100m": {
   "gradient_pct": 5.790699768344439,
   "start_distance_m": 3795.0,
   "end_distance_m": 3895.0,
   "midpoint_distance_m": 3845.0,
   "start_elevation_m": 1251.8177288383517,
   "end_elevation_m": 1257.6084286066962,
   "start_xy": [
    2750192.949740273,
    1173074.3912928964
   ],
   "end_xy": [
    2750126.0068194014,
    1173029.8526938565
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 20.69292941725962,
   "start_distance_m": 3943.0,
   "end_distance_m": 3945.0,
   "midpoint_distance_m": 3944.0,
   "start_elevation_m": 1261.5479875697056,
   "end_elevation_m": 1261.9618461580508,
   "start_xy": [
    2750085.8552996903,
    1173012.9746819262
   ],
   "end_xy": [
    2750084.2964225365,
    1173014.227639236
   ]
  },
  "max_3m": {
   "gradient_pct": 20.40091597269414,
   "start_distance_m": 3943.0,
   "end_distance_m": 3946.0,
   "midpoint_distance_m": 3944.5,
   "start_elevation_m": 1261.5479875697056,
   "end_elevation_m": 1262.1600150488864,
   "start_xy": [
    2750085.8552996903,
    1173012.9746819262
   ],
   "end_xy": [
    2750083.51698396,
    1173014.854117891
   ]
  }
 },
 "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_2023_2748-1173_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2749-1172_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2749-1173_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2749-1174_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2750-1172_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2750-1173_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2751-1173_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2751-1174_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2752-1173_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2752-1174_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:40:52+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": [
   "2748-1173",
   "2749-1172",
   "2749-1173",
   "2749-1174",
   "2750-1172",
   "2750-1173",
   "2751-1173",
   "2751-1174",
   "2752-1173",
   "2752-1174"
  ],
  "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": "Masein",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}