{
 "ocl_version": "0.1.0",
 "name": "Beerbergstrasse",
 "slug": "beerbergstrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.672175935510722,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 129.0,
   "end_distance_m": 131.0,
   "start_elevation_m": 593.7277176752486,
   "end_elevation_m": 594.2611611939589,
   "min_gradient_pct": -10.643632228834576
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.125751400496636,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 129.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 593.7277176752486,
   "end_elevation_m": 594.4514902172635,
   "min_gradient_pct": -10.293903610196745
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.633112448909287,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 431.0,
   "end_distance_m": 436.0,
   "start_elevation_m": 645.8472144578525,
   "end_elevation_m": 646.978870080298,
   "min_gradient_pct": -9.557709985767815
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.12907208183651,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 158.0,
   "end_distance_m": 168.0,
   "start_elevation_m": 599.4951595400039,
   "end_elevation_m": 601.7080667481875,
   "min_gradient_pct": -9.01693041277781
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.62905765494486,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 156.0,
   "end_distance_m": 176.0,
   "start_elevation_m": 599.0549938791877,
   "end_elevation_m": 603.3808054101767,
   "min_gradient_pct": -8.33132633487935
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.575289671613973,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 767.0,
   "end_distance_m": 792.0,
   "start_elevation_m": 710.272425137003,
   "end_elevation_m": 715.6662475549065,
   "min_gradient_pct": -8.23042035255321
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.450093434553537,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 159.0,
   "end_distance_m": 209.0,
   "start_elevation_m": 599.690207147266,
   "end_elevation_m": 610.4152538645428,
   "min_gradient_pct": -7.3590414571324345
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.183054700656385,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 155.0,
   "end_distance_m": 255.0,
   "start_elevation_m": 598.8695274047889,
   "end_elevation_m": 620.0525821054453,
   "min_gradient_pct": -6.436290835492741
  }
 ],
 "shape": {
  "ascent_concentration": 0.565,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 498.0,
  "shape_class": "stepped"
 },
 "length_m": 2337.478126898965,
 "start_elevation_m": 576.1047197988315,
 "end_elevation_m": 739.591958726553,
 "endpoint_gain_m": 163.48723892772148,
 "overall_gradient_pct": 6.994171925989879,
 "accumulated_ascent_m": 188.20040050049886,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.633112448909287,
   "start_distance_m": 431.0,
   "end_distance_m": 436.0,
   "midpoint_distance_m": 433.5,
   "start_elevation_m": 645.8472144578525,
   "end_elevation_m": 646.978870080298,
   "start_xy": [
    2706704.6128691975,
    1255285.580086972
   ],
   "end_xy": [
    2706709.4512007283,
    1255284.3189176735
   ]
  },
  "max_10m": {
   "gradient_pct": 22.12907208183651,
   "start_distance_m": 158.0,
   "end_distance_m": 168.0,
   "midpoint_distance_m": 163.0,
   "start_elevation_m": 599.4951595400039,
   "end_elevation_m": 601.7080667481875,
   "start_xy": [
    2706743.179614833,
    1255081.449993196
   ],
   "end_xy": [
    2706741.20534449,
    1255091.2531690393
   ]
  },
  "max_20m": {
   "gradient_pct": 21.62905765494486,
   "start_distance_m": 156.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 166.0,
   "start_elevation_m": 599.0549938791877,
   "end_elevation_m": 603.3808054101767,
   "start_xy": [
    2706743.5744689014,
    1255079.4893580272
   ],
   "end_xy": [
    2706739.6259282157,
    1255099.0957097136
   ]
  },
  "max_25m": {
   "gradient_pct": 21.575289671613973,
   "start_distance_m": 767.0,
   "end_distance_m": 792.0,
   "midpoint_distance_m": 779.5,
   "start_elevation_m": 710.272425137003,
   "end_elevation_m": 715.6662475549065,
   "start_xy": [
    2706940.779196917,
    1255439.2466419844
   ],
   "end_xy": [
    2706954.1178618227,
    1255460.388374069
   ]
  },
  "max_50m": {
   "gradient_pct": 21.450093434553537,
   "start_distance_m": 159.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 184.0,
   "start_elevation_m": 599.690207147266,
   "end_elevation_m": 610.4152538645428,
   "start_xy": [
    2706742.9821877987,
    1255082.4303107802
   ],
   "end_xy": [
    2706734.2527589574,
    1255131.6290117665
   ]
  },
  "max_100m": {
   "gradient_pct": 21.183054700656385,
   "start_distance_m": 155.0,
   "end_distance_m": 255.0,
   "midpoint_distance_m": 205.0,
   "start_elevation_m": 598.8695274047889,
   "end_elevation_m": 620.0525821054453,
   "start_xy": [
    2706743.85588152,
    1255078.5317782655
   ],
   "end_xy": [
    2706728.8020472284,
    1255177.3049325745
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.557709985767815,
   "start_distance_m": 1951.0,
   "end_distance_m": 1956.0,
   "midpoint_distance_m": 1953.5,
   "start_elevation_m": 725.3269516788014,
   "end_elevation_m": 724.849066179513,
   "start_xy": [
    2707672.502832965,
    1256153.335681767
   ],
   "end_xy": [
    2707676.960508286,
    1256155.6004401932
   ]
  },
  "min_10m": {
   "gradient_pct": -9.01693041277781,
   "start_distance_m": 1946.0,
   "end_distance_m": 1956.0,
   "midpoint_distance_m": 1951.0,
   "start_elevation_m": 725.7507592207908,
   "end_elevation_m": 724.849066179513,
   "start_xy": [
    2707668.0451576435,
    1256151.0709233407
   ],
   "end_xy": [
    2707676.960508286,
    1256155.6004401932
   ]
  },
  "min_20m": {
   "gradient_pct": -8.33132633487935,
   "start_distance_m": 1947.0,
   "end_distance_m": 1967.0,
   "midpoint_distance_m": 1957.0,
   "start_elevation_m": 725.6585806059774,
   "end_elevation_m": 723.9923153390015,
   "start_xy": [
    2707668.9366927077,
    1256151.523875026
   ],
   "end_xy": [
    2707687.0730557097,
    1256159.8119446686
   ]
  },
  "min_25m": {
   "gradient_pct": -8.23042035255321,
   "start_distance_m": 1943.0,
   "end_distance_m": 1968.0,
   "midpoint_distance_m": 1955.5,
   "start_elevation_m": 725.986558000688,
   "end_elevation_m": 723.9289529125497,
   "start_xy": [
    2707665.3705524504,
    1256149.712068285
   ],
   "end_xy": [
    2707688.0327622225,
    1256160.0929489564
   ]
  },
  "min_50m": {
   "gradient_pct": -7.3590414571324345,
   "start_distance_m": 1937.0,
   "end_distance_m": 1987.0,
   "midpoint_distance_m": 1962.0,
   "start_elevation_m": 726.3389649674453,
   "end_elevation_m": 722.6594442388791,
   "start_xy": [
    2707660.0213420647,
    1256146.9943581738
   ],
   "end_xy": [
    2707706.468975929,
    1256158.8088886084
   ]
  },
  "min_100m": {
   "gradient_pct": -6.436290835492741,
   "start_distance_m": 1072.0,
   "end_distance_m": 1172.0,
   "midpoint_distance_m": 1122.0,
   "start_elevation_m": 727.0898195778967,
   "end_elevation_m": 720.653528742404,
   "start_xy": [
    2707145.40128106,
    1255648.793272262
   ],
   "end_xy": [
    2707219.2995696156,
    1255715.8502716585
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.672175935510722,
   "start_distance_m": 129.0,
   "end_distance_m": 131.0,
   "midpoint_distance_m": 130.0,
   "start_elevation_m": 593.7277176752486,
   "end_elevation_m": 594.2611611939589,
   "start_xy": [
    2706753.674150215,
    1255054.4963285986
   ],
   "end_xy": [
    2706752.828623391,
    1255056.3088087752
   ]
  },
  "max_3m": {
   "gradient_pct": 24.125751400496636,
   "start_distance_m": 129.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 130.5,
   "start_elevation_m": 593.7277176752486,
   "end_elevation_m": 594.4514902172635,
   "start_xy": [
    2706753.674150215,
    1255054.4963285986
   ],
   "end_xy": [
    2706752.405859979,
    1255057.2150488633
   ]
  }
 },
 "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_2020_2706-1254_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2706-1255_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2707-1254_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2707-1255_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2707-1256_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:52:31+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": [
   "2706-1254",
   "2706-1255",
   "2707-1254",
   "2707-1255",
   "2707-1256"
  ],
  "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": "Turbenthal",
  "county": "Z\u00fcrich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}