{
 "ocl_version": "0.1.0",
 "name": "Stamsweg",
 "slug": "stamsweg",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.464973666160404,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 12.0,
   "end_distance_m": 14.0,
   "start_elevation_m": 1036.3537371996847,
   "end_elevation_m": 1036.803036673008,
   "min_gradient_pct": -8.5499298466857
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.071096877963708,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 20.0,
   "end_distance_m": 23.0,
   "start_elevation_m": 1038.0075461568367,
   "end_elevation_m": 1038.6696790631756,
   "min_gradient_pct": -8.522267739052344
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.800547506727526,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 9.0,
   "end_distance_m": 14.0,
   "start_elevation_m": 1035.7130092976715,
   "end_elevation_m": 1036.803036673008,
   "min_gradient_pct": -6.369878654850254
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.097639967754276,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7.0,
   "end_distance_m": 17.0,
   "start_elevation_m": 1035.3127922713238,
   "end_elevation_m": 1037.4225562680992,
   "min_gradient_pct": -3.1833537387842625
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.79136294430782,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6.0,
   "end_distance_m": 26.0,
   "start_elevation_m": 1035.1022918112646,
   "end_elevation_m": 1039.2605644001262,
   "min_gradient_pct": 0.6427310711717382
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.302598106526602,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4.0,
   "end_distance_m": 29.0,
   "start_elevation_m": 1034.7372869289557,
   "end_elevation_m": 1039.8129364555873,
   "min_gradient_pct": 0.8546887508637155
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.53793872895585,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "start_elevation_m": 1034.350749210942,
   "end_elevation_m": 1042.61971857542,
   "min_gradient_pct": 1.9942546610132013
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.514971724100405,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4513.0,
   "end_distance_m": 4613.0,
   "start_elevation_m": 1555.135107889389,
   "end_elevation_m": 1569.6500796134894,
   "min_gradient_pct": 4.124624428495281
  }
 ],
 "shape": {
  "ascent_concentration": 0.276,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 753.0,
  "shape_class": "sustained"
 },
 "length_m": 5259.685512605863,
 "start_elevation_m": 1034.350749210942,
 "end_elevation_m": 1644.8925552831997,
 "endpoint_gain_m": 610.5418060722577,
 "overall_gradient_pct": 11.607952692399103,
 "accumulated_ascent_m": 611.4638743526727,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.800547506727526,
   "start_distance_m": 9.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 11.5,
   "start_elevation_m": 1035.7130092976715,
   "end_elevation_m": 1036.803036673008,
   "start_xy": [
    2762968.9217910124,
    1197116.9297823503
   ],
   "end_xy": [
    2762973.0083415746,
    1197119.810772545
   ]
  },
  "max_10m": {
   "gradient_pct": 21.097639967754276,
   "start_distance_m": 7.0,
   "end_distance_m": 17.0,
   "midpoint_distance_m": 12.0,
   "start_elevation_m": 1035.3127922713238,
   "end_elevation_m": 1037.4225562680992,
   "start_xy": [
    2762967.2871707873,
    1197115.7773862726
   ],
   "end_xy": [
    2762975.460271912,
    1197121.5393666618
   ]
  },
  "max_20m": {
   "gradient_pct": 20.79136294430782,
   "start_distance_m": 6.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 16.0,
   "start_elevation_m": 1035.1022918112646,
   "end_elevation_m": 1039.2605644001262,
   "start_xy": [
    2762966.469860675,
    1197115.2011882334
   ],
   "end_xy": [
    2762983.7392616514,
    1197125.0096554025
   ]
  },
  "max_25m": {
   "gradient_pct": 20.302598106526602,
   "start_distance_m": 4.0,
   "end_distance_m": 29.0,
   "midpoint_distance_m": 16.5,
   "start_elevation_m": 1034.7372869289557,
   "end_elevation_m": 1039.8129364555873,
   "start_xy": [
    2762964.8352404498,
    1197114.0487921557
   ],
   "end_xy": [
    2762986.630153272,
    1197125.8082047112
   ]
  },
  "max_50m": {
   "gradient_pct": 16.53793872895585,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 1034.350749210942,
   "end_elevation_m": 1042.61971857542,
   "start_xy": [
    2762961.566,
    1197111.744
   ],
   "end_xy": [
    2763006.261129875,
    1197120.3260634448
   ]
  },
  "max_100m": {
   "gradient_pct": 14.514971724100405,
   "start_distance_m": 4513.0,
   "end_distance_m": 4613.0,
   "midpoint_distance_m": 4563.0,
   "start_elevation_m": 1555.135107889389,
   "end_elevation_m": 1569.6500796134894,
   "start_xy": [
    2764449.401454408,
    1197551.078937865
   ],
   "end_xy": [
    2764535.790987465,
    1197600.355886715
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.369878654850254,
   "start_distance_m": 4628.0,
   "end_distance_m": 4633.0,
   "midpoint_distance_m": 4630.5,
   "start_elevation_m": 1570.5923394443453,
   "end_elevation_m": 1570.2738455116028,
   "start_xy": [
    2764549.197140007,
    1197606.556558563
   ],
   "end_xy": [
    2764551.887997634,
    1197610.6857613602
   ]
  },
  "min_10m": {
   "gradient_pct": -3.1833537387842625,
   "start_distance_m": 4624.0,
   "end_distance_m": 4634.0,
   "midpoint_distance_m": 4629.0,
   "start_elevation_m": 1570.6173478196874,
   "end_elevation_m": 1570.299012445809,
   "start_xy": [
    2764545.9556662063,
    1197604.259137069
   ],
   "end_xy": [
    2764552.2185614477,
    1197611.6295450032
   ]
  },
  "min_20m": {
   "gradient_pct": 0.6427310711717382,
   "start_distance_m": 763.0,
   "end_distance_m": 783.0,
   "midpoint_distance_m": 773.0,
   "start_elevation_m": 1117.6032176860735,
   "end_elevation_m": 1117.731763900308,
   "start_xy": [
    2763392.337824088,
    1197055.8872167994
   ],
   "end_xy": [
    2763409.767705489,
    1197065.6952120368
   ]
  },
  "min_25m": {
   "gradient_pct": 0.8546887508637155,
   "start_distance_m": 761.0,
   "end_distance_m": 786.0,
   "midpoint_distance_m": 773.5,
   "start_elevation_m": 1117.568821405622,
   "end_elevation_m": 1117.782493593338,
   "start_xy": [
    2763390.592792058,
    1197054.9100457737
   ],
   "end_xy": [
    2763412.377832431,
    1197067.174143187
   ]
  },
  "min_50m": {
   "gradient_pct": 1.9942546610132013,
   "start_distance_m": 749.0,
   "end_distance_m": 799.0,
   "midpoint_distance_m": 774.0,
   "start_elevation_m": 1117.2157115105774,
   "end_elevation_m": 1118.212838841084,
   "start_xy": [
    2763380.122599877,
    1197049.047019619
   ],
   "end_xy": [
    2763423.6676969924,
    1197073.6187621548
   ]
  },
  "min_100m": {
   "gradient_pct": 4.124624428495281,
   "start_distance_m": 700.0,
   "end_distance_m": 800.0,
   "midpoint_distance_m": 750.0,
   "start_elevation_m": 1114.1544464978292,
   "end_elevation_m": 1118.2790709263245,
   "start_xy": [
    2763334.878688209,
    1197030.7336496075
   ],
   "end_xy": [
    2763424.530734792,
    1197074.123901499
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.464973666160404,
   "start_distance_m": 12.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 13.0,
   "start_elevation_m": 1036.3537371996847,
   "end_elevation_m": 1036.803036673008,
   "start_xy": [
    2762971.3737213495,
    1197118.6583764672
   ],
   "end_xy": [
    2762973.0083415746,
    1197119.810772545
   ]
  },
  "max_3m": {
   "gradient_pct": 22.071096877963708,
   "start_distance_m": 20.0,
   "end_distance_m": 23.0,
   "midpoint_distance_m": 21.5,
   "start_elevation_m": 1038.0075461568367,
   "end_elevation_m": 1038.6696790631756,
   "start_xy": [
    2762978.15256614,
    1197122.821315104
   ],
   "end_xy": [
    2762980.945913896,
    1197123.915485253
   ]
  }
 },
 "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"
  ]
 },
 "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_2762-1196_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2762-1197_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2763-1196_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2763-1197_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2763-1198_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2764-1197_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2764-1198_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T21:09:55+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": [
   "2762-1196",
   "2762-1197",
   "2763-1196",
   "2763-1197",
   "2763-1198",
   "2764-1197",
   "2764-1198"
  ],
  "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": "Trimmis",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}