{
 "ocl_version": "0.1.0",
 "name": "Sigriswilstrasse",
 "slug": "sigriswilstrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.751763517697327,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2426.0,
   "end_distance_m": 2428.0,
   "start_elevation_m": 792.0598420586625,
   "end_elevation_m": 792.6548773290165,
   "min_gradient_pct": -1.854657557299788
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.07005612958149,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2218.0,
   "end_distance_m": 2221.0,
   "start_elevation_m": 756.0687779086251,
   "end_elevation_m": 756.7908795925125,
   "min_gradient_pct": -0.358242108450213
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.343025817916896,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2240.0,
   "end_distance_m": 2245.0,
   "start_elevation_m": 760.7687028966284,
   "end_elevation_m": 761.9358541875242,
   "min_gradient_pct": 0.1794522163390866
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.634016575972282,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2240.0,
   "end_distance_m": 2250.0,
   "start_elevation_m": 760.7687028966284,
   "end_elevation_m": 763.0321045542256,
   "min_gradient_pct": 1.4993861641403328
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.906830834930133,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2231.0,
   "end_distance_m": 2251.0,
   "start_elevation_m": 758.8918321136856,
   "end_elevation_m": 763.2731982806716,
   "min_gradient_pct": 2.142615727817656
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.671966119592526,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2226.0,
   "end_distance_m": 2251.0,
   "start_elevation_m": 757.8552067507735,
   "end_elevation_m": 763.2731982806716,
   "min_gradient_pct": 2.5400023479573974
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.085189091323628,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2214.0,
   "end_distance_m": 2264.0,
   "start_elevation_m": 755.2383702202226,
   "end_elevation_m": 765.7809647658844,
   "min_gradient_pct": 4.3730200172860805
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.86416601325493,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2215.0,
   "end_distance_m": 2315.0,
   "start_elevation_m": 755.4034651983923,
   "end_elevation_m": 775.2676312116472,
   "min_gradient_pct": 5.877537619441455
  }
 ],
 "shape": {
  "ascent_concentration": 0.31,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 235.0,
  "shape_class": "sustained"
 },
 "length_m": 2497.424639794612,
 "start_elevation_m": 559.1066196093753,
 "end_elevation_m": 796.7718349853527,
 "endpoint_gain_m": 237.66521537597737,
 "overall_gradient_pct": 9.516411890431373,
 "accumulated_ascent_m": 237.99252459599768,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.343025817916896,
   "start_distance_m": 2240.0,
   "end_distance_m": 2245.0,
   "midpoint_distance_m": 2242.5,
   "start_elevation_m": 760.7687028966284,
   "end_elevation_m": 761.9358541875242,
   "start_xy": [
    2621042.663598446,
    1173805.217754552
   ],
   "end_xy": [
    2621040.1460356484,
    1173809.5376940838
   ]
  },
  "max_10m": {
   "gradient_pct": 22.634016575972282,
   "start_distance_m": 2240.0,
   "end_distance_m": 2250.0,
   "midpoint_distance_m": 2245.0,
   "start_elevation_m": 760.7687028966284,
   "end_elevation_m": 763.0321045542256,
   "start_xy": [
    2621042.663598446,
    1173805.217754552
   ],
   "end_xy": [
    2621037.6284728507,
    1173813.8576336156
   ]
  },
  "max_20m": {
   "gradient_pct": 21.906830834930133,
   "start_distance_m": 2231.0,
   "end_distance_m": 2251.0,
   "midpoint_distance_m": 2241.0,
   "start_elevation_m": 758.8918321136856,
   "end_elevation_m": 763.2731982806716,
   "start_xy": [
    2621047.195211482,
    1173797.4418633943
   ],
   "end_xy": [
    2621037.124960291,
    1173814.721621522
   ]
  },
  "max_25m": {
   "gradient_pct": 21.671966119592526,
   "start_distance_m": 2226.0,
   "end_distance_m": 2251.0,
   "midpoint_distance_m": 2238.5,
   "start_elevation_m": 757.8552067507735,
   "end_elevation_m": 763.2731982806716,
   "start_xy": [
    2621049.7127742795,
    1173793.1219238623
   ],
   "end_xy": [
    2621037.124960291,
    1173814.721621522
   ]
  },
  "max_50m": {
   "gradient_pct": 21.085189091323628,
   "start_distance_m": 2214.0,
   "end_distance_m": 2264.0,
   "midpoint_distance_m": 2239.0,
   "start_elevation_m": 755.2383702202226,
   "end_elevation_m": 765.7809647658844,
   "start_xy": [
    2621056.1531147743,
    1173783.0468639948
   ],
   "end_xy": [
    2621030.5792970173,
    1173825.9534643053
   ]
  },
  "max_100m": {
   "gradient_pct": 19.86416601325493,
   "start_distance_m": 2215.0,
   "end_distance_m": 2315.0,
   "midpoint_distance_m": 2265.0,
   "start_elevation_m": 755.4034651983923,
   "end_elevation_m": 775.2676312116472,
   "start_xy": [
    2621055.4785216795,
    1173783.7850537784
   ],
   "end_xy": [
    2620995.9552924065,
    1173862.826811049
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.1794522163390866,
   "start_distance_m": 2470.0,
   "end_distance_m": 2475.0,
   "midpoint_distance_m": 2472.5,
   "start_elevation_m": 795.9906615323118,
   "end_elevation_m": 795.9996341431288,
   "start_xy": [
    2620891.569077143,
    1173973.2049442152
   ],
   "end_xy": [
    2620887.7317324164,
    1173976.4062693208
   ]
  },
  "min_10m": {
   "gradient_pct": 1.4993861641403328,
   "start_distance_m": 53.0,
   "end_distance_m": 63.0,
   "midpoint_distance_m": 58.0,
   "start_elevation_m": 563.4906861454773,
   "end_elevation_m": 563.6406247618913,
   "start_xy": [
    2620218.0440617097,
    1173549.4963859196
   ],
   "end_xy": [
    2620211.9059599373,
    1173557.1811449886
   ]
  },
  "min_20m": {
   "gradient_pct": 2.142615727817656,
   "start_distance_m": 2469.0,
   "end_distance_m": 2489.0,
   "midpoint_distance_m": 2479.0,
   "start_elevation_m": 795.9913844649321,
   "end_elevation_m": 796.4199076104957,
   "start_xy": [
    2620892.3407276506,
    1173972.568897445
   ],
   "end_xy": [
    2620878.7330481266,
    1173987.1311786934
   ]
  },
  "min_25m": {
   "gradient_pct": 2.5400023479573974,
   "start_distance_m": 2469.0,
   "end_distance_m": 2494.0,
   "midpoint_distance_m": 2481.5,
   "start_elevation_m": 795.9913844649321,
   "end_elevation_m": 796.6263850519215,
   "start_xy": [
    2620892.3407276506,
    1173972.568897445
   ],
   "end_xy": [
    2620875.5192323085,
    1173990.9615034692
   ]
  },
  "min_50m": {
   "gradient_pct": 4.3730200172860805,
   "start_distance_m": 2447.0,
   "end_distance_m": 2497.0,
   "midpoint_distance_m": 2472.0,
   "start_elevation_m": 794.5542488869411,
   "end_elevation_m": 796.7407588955841,
   "start_xy": [
    2620909.3170388234,
    1173958.5758685034
   ],
   "end_xy": [
    2620873.5909428177,
    1173993.2596983348
   ]
  },
  "min_100m": {
   "gradient_pct": 5.877537619441455,
   "start_distance_m": 1382.0,
   "end_distance_m": 1482.0,
   "midpoint_distance_m": 1432.0,
   "start_elevation_m": 686.1083007848091,
   "end_elevation_m": 691.9858384042506,
   "start_xy": [
    2620406.2783603007,
    1173843.9594659987
   ],
   "end_xy": [
    2620423.940705673,
    1173850.400007886
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.751763517697327,
   "start_distance_m": 2426.0,
   "end_distance_m": 2428.0,
   "midpoint_distance_m": 2427.0,
   "start_elevation_m": 792.0598420586625,
   "end_elevation_m": 792.6548773290165,
   "start_xy": [
    2620919.9200639767,
    1173941.2473902926
   ],
   "end_xy": [
    2620919.2304477952,
    1173943.124736697
   ]
  },
  "max_3m": {
   "gradient_pct": 24.07005612958149,
   "start_distance_m": 2218.0,
   "end_distance_m": 2221.0,
   "midpoint_distance_m": 2219.5,
   "start_elevation_m": 756.0687779086251,
   "end_elevation_m": 756.7908795925125,
   "start_xy": [
    2621053.740874756,
    1173786.2100206113
   ],
   "end_xy": [
    2621052.2303370773,
    1173788.8019843304
   ]
  }
 },
 "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_2620-1173_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2620-1174_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2621-1173_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2621-1174_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:51:06+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": [
   "2620-1173",
   "2620-1174",
   "2621-1173",
   "2621-1174"
  ],
  "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": "Sigriswil",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}