{
 "ocl_version": "0.1.0",
 "name": "Bachgasse",
 "slug": "bachgasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.178822395755105,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 273.0,
   "end_distance_m": 275.0,
   "start_elevation_m": 612.2513634133275,
   "end_elevation_m": 612.7149398612426,
   "min_gradient_pct": 3.1717430867331586
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.22996262429342,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 272.0,
   "end_distance_m": 275.0,
   "start_elevation_m": 612.0180409825138,
   "end_elevation_m": 612.7149398612426,
   "min_gradient_pct": 3.9956338373599465
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.19481391798581,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 272.0,
   "end_distance_m": 277.0,
   "start_elevation_m": 612.0180409825138,
   "end_elevation_m": 613.127781678413,
   "min_gradient_pct": 6.350269916244997
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.263495577671847,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 269.0,
   "end_distance_m": 279.0,
   "start_elevation_m": 611.4150085935412,
   "end_elevation_m": 613.5413581513084,
   "min_gradient_pct": 7.324237620046006
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.937594067863756,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 256.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 608.7216032996987,
   "end_elevation_m": 612.9091221132715,
   "min_gradient_pct": 7.7814912423906435
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.872825471305077,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 255.0,
   "end_distance_m": 280.0,
   "start_elevation_m": 608.5439811176661,
   "end_elevation_m": 613.7621874854924,
   "min_gradient_pct": 8.092092089436392
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.05257284675031,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 232.0,
   "end_distance_m": 282.0,
   "start_elevation_m": 604.6083664377919,
   "end_elevation_m": 614.1346528611671,
   "min_gradient_pct": 9.227908167456462
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.09149098186299,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 182.0,
   "end_distance_m": 282.0,
   "start_elevation_m": 598.0431618793041,
   "end_elevation_m": 614.1346528611671,
   "min_gradient_pct": 10.830951396835985
  }
 ],
 "shape": {
  "ascent_concentration": 0.346,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 124.0,
  "shape_class": "sustained"
 },
 "length_m": 282.22407038040063,
 "start_elevation_m": 578.35221923828,
 "end_elevation_m": 614.1555713276497,
 "endpoint_gain_m": 35.803352089369696,
 "overall_gradient_pct": 12.686144041899588,
 "accumulated_ascent_m": 35.803352089369696,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.19481391798581,
   "start_distance_m": 272.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 274.5,
   "start_elevation_m": 612.0180409825138,
   "end_elevation_m": 613.127781678413,
   "start_xy": [
    2617094.3733409806,
    1176254.379560791
   ],
   "end_xy": [
    2617099.1579613206,
    1176255.8312522888
   ]
  },
  "max_10m": {
   "gradient_pct": 21.263495577671847,
   "start_distance_m": 269.0,
   "end_distance_m": 279.0,
   "midpoint_distance_m": 274.0,
   "start_elevation_m": 611.4150085935412,
   "end_elevation_m": 613.5413581513084,
   "start_xy": [
    2617091.502568777,
    1176253.5085458923
   ],
   "end_xy": [
    2617101.071809456,
    1176256.411928888
   ]
  },
  "max_20m": {
   "gradient_pct": 20.937594067863756,
   "start_distance_m": 256.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 266.0,
   "start_elevation_m": 608.7216032996987,
   "end_elevation_m": 612.9091221132715,
   "start_xy": [
    2617079.062555894,
    1176249.7341479978
   ],
   "end_xy": [
    2617098.201037253,
    1176255.5409139893
   ]
  },
  "max_25m": {
   "gradient_pct": 20.872825471305077,
   "start_distance_m": 255.0,
   "end_distance_m": 280.0,
   "midpoint_distance_m": 267.5,
   "start_elevation_m": 608.5439811176661,
   "end_elevation_m": 613.7621874854924,
   "start_xy": [
    2617078.105631826,
    1176249.443809698
   ],
   "end_xy": [
    2617102.0287335245,
    1176256.7022671876
   ]
  },
  "max_50m": {
   "gradient_pct": 19.05257284675031,
   "start_distance_m": 232.0,
   "end_distance_m": 282.0,
   "midpoint_distance_m": 257.0,
   "start_elevation_m": 604.6083664377919,
   "end_elevation_m": 614.1346528611671,
   "start_xy": [
    2617056.0963782636,
    1176242.766028808
   ],
   "end_xy": [
    2617103.94258166,
    1176257.2829437868
   ]
  },
  "max_100m": {
   "gradient_pct": 16.09149098186299,
   "start_distance_m": 182.0,
   "end_distance_m": 282.0,
   "midpoint_distance_m": 232.0,
   "start_elevation_m": 598.0431618793041,
   "end_elevation_m": 614.1346528611671,
   "start_xy": [
    2617010.344730249,
    1176223.4219952219
   ],
   "end_xy": [
    2617103.94258166,
    1176257.2829437868
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 6.350269916244997,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 578.35221923828,
   "end_elevation_m": 578.6697327340922,
   "start_xy": [
    2616860.05,
    1176129.05
   ],
   "end_xy": [
    2616865.006725462,
    1176129.6401951062
   ]
  },
  "min_10m": {
   "gradient_pct": 7.324237620046006,
   "start_distance_m": 149.0,
   "end_distance_m": 159.0,
   "midpoint_distance_m": 154.0,
   "start_elevation_m": 594.6724827859387,
   "end_elevation_m": 595.4049065479433,
   "start_xy": [
    2616986.456356704,
    1176200.9235026864
   ],
   "end_xy": [
    2616993.04241065,
    1176208.4476621354
   ]
  },
  "min_20m": {
   "gradient_pct": 7.7814912423906435,
   "start_distance_m": 139.0,
   "end_distance_m": 159.0,
   "midpoint_distance_m": 149.0,
   "start_elevation_m": 593.8486082994651,
   "end_elevation_m": 595.4049065479433,
   "start_xy": [
    2616979.9278671537,
    1176193.3486215523
   ],
   "end_xy": [
    2616993.04241065,
    1176208.4476621354
   ]
  },
  "min_25m": {
   "gradient_pct": 8.092092089436392,
   "start_distance_m": 134.0,
   "end_distance_m": 159.0,
   "midpoint_distance_m": 146.5,
   "start_elevation_m": 593.3818835255842,
   "end_elevation_m": 595.4049065479433,
   "start_xy": [
    2616976.481699732,
    1176189.729974337
   ],
   "end_xy": [
    2616993.04241065,
    1176208.4476621354
   ]
  },
  "min_50m": {
   "gradient_pct": 9.227908167456462,
   "start_distance_m": 121.0,
   "end_distance_m": 171.0,
   "midpoint_distance_m": 146.0,
   "start_elevation_m": 592.0842001173763,
   "end_elevation_m": 596.6981542011046,
   "start_xy": [
    2616967.2863655314,
    1176180.5405364672
   ],
   "end_xy": [
    2617001.5141246454,
    1176216.8985812324
   ]
  },
  "min_100m": {
   "gradient_pct": 10.830951396835985,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 578.35221923828,
   "end_elevation_m": 589.183170635116,
   "start_xy": [
    2616860.05,
    1176129.05
   ],
   "end_xy": [
    2616950.448841783,
    1176168.1246717204
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.178822395755105,
   "start_distance_m": 273.0,
   "end_distance_m": 275.0,
   "midpoint_distance_m": 274.0,
   "start_elevation_m": 612.2513634133275,
   "end_elevation_m": 612.7149398612426,
   "start_xy": [
    2617095.330265049,
    1176254.6698990907
   ],
   "end_xy": [
    2617097.2441131845,
    1176255.2505756898
   ]
  },
  "max_3m": {
   "gradient_pct": 23.22996262429342,
   "start_distance_m": 272.0,
   "end_distance_m": 275.0,
   "midpoint_distance_m": 273.5,
   "start_elevation_m": 612.0180409825138,
   "end_elevation_m": 612.7149398612426,
   "start_xy": [
    2617094.3733409806,
    1176254.379560791
   ],
   "end_xy": [
    2617097.2441131845,
    1176255.2505756898
   ]
  }
 },
 "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_2025_2616-1176_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2617-1176_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T04:29:17+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": [
   "2616-1176",
   "2617-1176"
  ],
  "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": "Hilterfingen",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}