{
 "ocl_version": "0.1.0",
 "name": "B\u00e4llizstrasse",
 "slug": "ballizstrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.878687096832437,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 525.0,
   "end_distance_m": 527.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 638.2478149129821,
   "min_gradient_pct": -4.99083152637354
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.605221147995508,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 525.0,
   "end_distance_m": 528.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 638.4683978054853,
   "min_gradient_pct": -4.517053789205268
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.892729247897023,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 525.0,
   "end_distance_m": 530.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 638.8548776334403,
   "min_gradient_pct": -4.666841988180295
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.4001116717875,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 525.0,
   "end_distance_m": 535.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 639.8502523382242,
   "min_gradient_pct": -4.024988659891733
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.78138780595134,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 525.0,
   "end_distance_m": 545.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 641.9665187322357,
   "min_gradient_pct": -2.973264104959412
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.425909583809243,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 525.0,
   "end_distance_m": 550.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 642.9667185669978,
   "min_gradient_pct": -2.8691084733218304
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.567395209741562,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 525.0,
   "end_distance_m": 575.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 647.3939387759162,
   "min_gradient_pct": -1.7537090192363394
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.43087568915928,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 477.0,
   "end_distance_m": 577.0,
   "start_elevation_m": 630.2489861737182,
   "end_elevation_m": 647.6798618628775,
   "min_gradient_pct": 4.126142855008538
  }
 ],
 "shape": {
  "ascent_concentration": 0.444,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 154.0,
  "shape_class": "sustained"
 },
 "length_m": 672.316814876293,
 "start_elevation_m": 596.3944096264394,
 "end_elevation_m": 651.1140141162007,
 "endpoint_gain_m": 54.71960448976131,
 "overall_gradient_pct": 8.138961168155488,
 "accumulated_ascent_m": 55.74059987806356,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.892729247897023,
   "start_distance_m": 525.0,
   "end_distance_m": 530.0,
   "midpoint_distance_m": 527.5,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 638.8548776334403,
   "start_xy": [
    2613692.677524354,
    1184726.2499035427
   ],
   "end_xy": [
    2613694.5014043637,
    1184721.5944270138
   ]
  },
  "max_10m": {
   "gradient_pct": 22.4001116717875,
   "start_distance_m": 525.0,
   "end_distance_m": 535.0,
   "midpoint_distance_m": 530.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 639.8502523382242,
   "start_xy": [
    2613692.677524354,
    1184726.2499035427
   ],
   "end_xy": [
    2613696.3252843735,
    1184716.938950485
   ]
  },
  "max_20m": {
   "gradient_pct": 21.78138780595134,
   "start_distance_m": 525.0,
   "end_distance_m": 545.0,
   "midpoint_distance_m": 535.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 641.9665187322357,
   "start_xy": [
    2613692.677524354,
    1184726.2499035427
   ],
   "end_xy": [
    2613697.9796249666,
    1184707.111564235
   ]
  },
  "max_25m": {
   "gradient_pct": 21.425909583809243,
   "start_distance_m": 525.0,
   "end_distance_m": 550.0,
   "midpoint_distance_m": 537.5,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 642.9667185669978,
   "start_xy": [
    2613692.677524354,
    1184726.2499035427
   ],
   "end_xy": [
    2613698.093519807,
    1184702.135248992
   ]
  },
  "max_50m": {
   "gradient_pct": 19.567395209741562,
   "start_distance_m": 525.0,
   "end_distance_m": 575.0,
   "midpoint_distance_m": 550.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 647.3939387759162,
   "start_xy": [
    2613692.677524354,
    1184726.2499035427
   ],
   "end_xy": [
    2613696.243187994,
    1184677.2106860473
   ]
  },
  "max_100m": {
   "gradient_pct": 17.43087568915928,
   "start_distance_m": 477.0,
   "end_distance_m": 577.0,
   "midpoint_distance_m": 527.0,
   "start_elevation_m": 630.2489861737182,
   "end_elevation_m": 647.6798618628775,
   "start_xy": [
    2613654.588152242,
    1184755.3381378974
   ],
   "end_xy": [
    2613696.0272049466,
    1184675.2223824179
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.666841988180295,
   "start_distance_m": 625.0,
   "end_distance_m": 630.0,
   "midpoint_distance_m": 627.5,
   "start_elevation_m": 651.9348105074806,
   "end_elevation_m": 651.7014684080716,
   "start_xy": [
    2613718.2167500793,
    1184645.8479224455
   ],
   "end_xy": [
    2613723.046982069,
    1184646.0491934256
   ]
  },
  "min_10m": {
   "gradient_pct": -4.024988659891733,
   "start_distance_m": 625.0,
   "end_distance_m": 635.0,
   "midpoint_distance_m": 630.0,
   "start_elevation_m": 651.9348105074806,
   "end_elevation_m": 651.5323116414914,
   "start_xy": [
    2613718.2167500793,
    1184645.8479224455
   ],
   "end_xy": [
    2613727.786278094,
    1184647.4774743693
   ]
  },
  "min_20m": {
   "gradient_pct": -2.973264104959412,
   "start_distance_m": 625.0,
   "end_distance_m": 645.0,
   "midpoint_distance_m": 635.0,
   "start_elevation_m": 651.9348105074806,
   "end_elevation_m": 651.3401576864887,
   "start_xy": [
    2613718.2167500793,
    1184645.8479224455
   ],
   "end_xy": [
    2613735.237454904,
    1184654.1468044822
   ]
  },
  "min_25m": {
   "gradient_pct": -2.8691084733218304,
   "start_distance_m": 625.0,
   "end_distance_m": 650.0,
   "midpoint_distance_m": 637.5,
   "start_elevation_m": 651.9348105074806,
   "end_elevation_m": 651.2175333891502,
   "start_xy": [
    2613718.2167500793,
    1184645.8479224455
   ],
   "end_xy": [
    2613738.9630433084,
    1184657.4814695385
   ]
  },
  "min_50m": {
   "gradient_pct": -1.7537090192363394,
   "start_distance_m": 622.0,
   "end_distance_m": 672.0,
   "midpoint_distance_m": 647.0,
   "start_elevation_m": 651.9814232756752,
   "end_elevation_m": 651.104568766057,
   "start_xy": [
    2613715.335028228,
    1184646.681996285
   ],
   "end_xy": [
    2613751.756984811,
    1184675.0618311497
   ]
  },
  "min_100m": {
   "gradient_pct": 4.126142855008538,
   "start_distance_m": 2.0,
   "end_distance_m": 102.0,
   "midpoint_distance_m": 52.0,
   "start_elevation_m": 596.4939513049374,
   "end_elevation_m": 600.6200941599459,
   "start_xy": [
    2613623.6636439883,
    1185174.5698071104
   ],
   "end_xy": [
    2613664.7420645664,
    1185084.7239140698
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.878687096832437,
   "start_distance_m": 525.0,
   "end_distance_m": 527.0,
   "midpoint_distance_m": 526.0,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 638.2478149129821,
   "start_xy": [
    2613692.677524354,
    1184726.2499035427
   ],
   "end_xy": [
    2613693.407076358,
    1184724.3877129313
   ]
  },
  "max_3m": {
   "gradient_pct": 28.605221147995508,
   "start_distance_m": 525.0,
   "end_distance_m": 528.0,
   "midpoint_distance_m": 526.5,
   "start_elevation_m": 637.6102411710455,
   "end_elevation_m": 638.4683978054853,
   "start_xy": [
    2613692.677524354,
    1184726.2499035427
   ],
   "end_xy": [
    2613693.7718523596,
    1184723.4566176254
   ]
  }
 },
 "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": []
 },
 "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_2025_2613-1184_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2613-1185_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T01:41:36+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": [
   "2613-1184",
   "2613-1185"
  ],
  "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": "Brenzikofen",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}