{
 "ocl_version": "0.1.0",
 "name": "Tunetschalpstrasse",
 "slug": "tunetschalpstrasse",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 52.23232813882532,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 4447.0,
   "end_distance_m": 4449.0,
   "start_elevation_m": 1178.8912959315196,
   "end_elevation_m": 1179.9359424942961,
   "min_gradient_pct": -130.26576916880686,
   "suppressed_max_gradient_pct": 149.96679609275816,
   "suppressed_location_m": [
    5511.0,
    5513.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 50.080593981298684,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4447.0,
   "end_distance_m": 4450.0,
   "start_elevation_m": 1178.8912959315196,
   "end_elevation_m": 1180.3937137509586,
   "min_gradient_pct": -116.79106055947462,
   "suppressed_max_gradient_pct": 122.15072905764828,
   "suppressed_location_m": [
    5511.0,
    5514.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 39.24094753323061,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 4482.0,
   "end_distance_m": 4487.0,
   "start_elevation_m": 1194.467171492086,
   "end_elevation_m": 1196.4292188687475,
   "min_gradient_pct": -93.96599193479688,
   "suppressed_max_gradient_pct": 106.15147640116902,
   "suppressed_location_m": [
    5508.0,
    5513.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 32.23674225833065,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 4519.0,
   "end_distance_m": 4529.0,
   "start_elevation_m": 1196.2819074642432,
   "end_elevation_m": 1199.5055816900763,
   "min_gradient_pct": -71.11335005611409,
   "suppressed_max_gradient_pct": 77.19790661154548,
   "suppressed_location_m": [
    5508.0,
    5518.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.702368330966692,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_unresolved"
   ],
   "start_distance_m": 1703.0,
   "end_distance_m": 1723.0,
   "start_elevation_m": 918.1400251528162,
   "end_elevation_m": 922.8804988190095,
   "min_gradient_pct": -36.689830467236106,
   "suppressed_max_gradient_pct": 61.8851402188659,
   "suppressed_location_m": [
    4458.0,
    4478.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.523251528392393,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_unresolved"
   ],
   "start_distance_m": 1993.0,
   "end_distance_m": 2018.0,
   "start_elevation_m": 943.9407845304477,
   "end_elevation_m": 948.5715974125458,
   "min_gradient_pct": -34.21641051980805,
   "suppressed_max_gradient_pct": 55.21867453951472,
   "suppressed_location_m": [
    4454.0,
    4479.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.16117094263086,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1967.0,
   "end_distance_m": 2017.0,
   "start_elevation_m": 939.9133101672776,
   "end_elevation_m": 948.493895638593,
   "min_gradient_pct": -16.362786275996314,
   "suppressed_max_gradient_pct": 37.37476161260065,
   "suppressed_location_m": [
    4441.0,
    4491.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.804603828245718,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1917.0,
   "end_distance_m": 2017.0,
   "start_elevation_m": 935.6892918103473,
   "end_elevation_m": 948.493895638593,
   "min_gradient_pct": -2.3604291841911618,
   "suppressed_max_gradient_pct": 28.07496552129328,
   "suppressed_location_m": [
    4455.0,
    4555.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.302,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 111.0,
  "shape_class": "sustained"
 },
 "length_m": 7619.870060647465,
 "start_elevation_m": 758.1710622119004,
 "end_elevation_m": 1491.8822774140754,
 "endpoint_gain_m": 733.7112152021749,
 "overall_gradient_pct": 9.628920301297514,
 "accumulated_ascent_m": 847.2677427978485,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 39.24094753323061,
   "start_distance_m": 4482.0,
   "end_distance_m": 4487.0,
   "midpoint_distance_m": 4484.5,
   "start_elevation_m": 1194.467171492086,
   "end_elevation_m": 1196.4292188687475,
   "start_xy": [
    2646812.7728523207,
    1132842.4182323061
   ],
   "end_xy": [
    2646816.689593773,
    1132845.4073182864
   ]
  },
  "max_10m": {
   "gradient_pct": 32.23674225833065,
   "start_distance_m": 4519.0,
   "end_distance_m": 4529.0,
   "midpoint_distance_m": 4524.0,
   "start_elevation_m": 1196.2819074642432,
   "end_elevation_m": 1199.5055816900763,
   "start_xy": [
    2646826.7442651507,
    1132875.2578743622
   ],
   "end_xy": [
    2646830.8820769554,
    1132884.2007822653
   ]
  },
  "max_20m": {
   "gradient_pct": 23.702368330966692,
   "start_distance_m": 1703.0,
   "end_distance_m": 1723.0,
   "midpoint_distance_m": 1713.0,
   "start_elevation_m": 918.1400251528162,
   "end_elevation_m": 922.8804988190095,
   "start_xy": [
    2647039.775952579,
    1133604.9116020398
   ],
   "end_xy": [
    2647058.646648875,
    1133611.3089964602
   ]
  },
  "max_25m": {
   "gradient_pct": 18.523251528392393,
   "start_distance_m": 1993.0,
   "end_distance_m": 2018.0,
   "midpoint_distance_m": 2005.5,
   "start_elevation_m": 943.9407845304477,
   "end_elevation_m": 948.5715974125458,
   "start_xy": [
    2647272.811297803,
    1133765.8704305494
   ],
   "end_xy": [
    2647293.360572635,
    1133779.9451256588
   ]
  },
  "max_50m": {
   "gradient_pct": 17.16117094263086,
   "start_distance_m": 1967.0,
   "end_distance_m": 2017.0,
   "midpoint_distance_m": 1992.0,
   "start_elevation_m": 939.9133101672776,
   "end_elevation_m": 948.493895638593,
   "start_xy": [
    2647254.6221703254,
    1133747.3167926746
   ],
   "end_xy": [
    2647292.5949907065,
    1133779.305698487
   ]
  },
  "max_100m": {
   "gradient_pct": 12.804603828245718,
   "start_distance_m": 1917.0,
   "end_distance_m": 2017.0,
   "midpoint_distance_m": 1967.0,
   "start_elevation_m": 935.6892918103473,
   "end_elevation_m": 948.493895638593,
   "start_xy": [
    2647218.2628371897,
    1133713.6680820787
   ],
   "end_xy": [
    2647292.5949907065,
    1133779.305698487
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -93.96599193479688,
   "start_distance_m": 5526.0,
   "end_distance_m": 5531.0,
   "midpoint_distance_m": 5528.5,
   "start_elevation_m": 1299.568827952365,
   "end_elevation_m": 1294.870528355625,
   "start_xy": [
    2647066.6961269346,
    1132924.7971361987
   ],
   "end_xy": [
    2647062.1451584487,
    1132922.7262266076
   ]
  },
  "min_10m": {
   "gradient_pct": -71.11335005611409,
   "start_distance_m": 5523.0,
   "end_distance_m": 5533.0,
   "midpoint_distance_m": 5528.0,
   "start_elevation_m": 1300.5754327970405,
   "end_elevation_m": 1293.4640977914291,
   "start_xy": [
    2647069.4059665743,
    1132926.0840682145
   ],
   "end_xy": [
    2647060.3245143304,
    1132921.898426865
   ]
  },
  "min_20m": {
   "gradient_pct": -36.689830467236106,
   "start_distance_m": 4415.0,
   "end_distance_m": 4435.0,
   "midpoint_distance_m": 4425.0,
   "start_elevation_m": 1186.7422532435419,
   "end_elevation_m": 1179.4042871500947,
   "start_xy": [
    2646771.831313739,
    1132810.9994452982
   ],
   "end_xy": [
    2646776.0637503765,
    1132829.8067308634
   ]
  },
  "min_25m": {
   "gradient_pct": -34.21641051980805,
   "start_distance_m": 4412.0,
   "end_distance_m": 4437.0,
   "midpoint_distance_m": 4424.5,
   "start_elevation_m": 1187.3971526035393,
   "end_elevation_m": 1178.8430499735873,
   "start_xy": [
    2646770.1390911266,
    1132808.5223260564
   ],
   "end_xy": [
    2646775.885183041,
    1132831.7982567877
   ]
  },
  "min_50m": {
   "gradient_pct": -16.362786275996314,
   "start_distance_m": 4396.0,
   "end_distance_m": 4446.0,
   "midpoint_distance_m": 4421.0,
   "start_elevation_m": 1186.867591429779,
   "end_elevation_m": 1178.6861982917808,
   "start_xy": [
    2646757.293135761,
    1132799.1436548035
   ],
   "end_xy": [
    2646778.4169221646,
    1132840.4166354558
   ]
  },
  "min_100m": {
   "gradient_pct": -2.3604291841911618,
   "start_distance_m": 4346.0,
   "end_distance_m": 4446.0,
   "midpoint_distance_m": 4396.0,
   "start_elevation_m": 1181.046627475972,
   "end_elevation_m": 1178.6861982917808,
   "start_xy": [
    2646720.7727857726,
    1132768.041078994
   ],
   "end_xy": [
    2646778.4169221646,
    1132840.4166354558
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 52.23232813882532,
   "start_distance_m": 4447.0,
   "end_distance_m": 4449.0,
   "midpoint_distance_m": 4448.0,
   "start_elevation_m": 1178.8912959315196,
   "end_elevation_m": 1179.9359424942961,
   "start_xy": [
    2646778.9753948427,
    1132841.2419307288
   ],
   "end_xy": [
    2646780.4810536634,
    1132842.5545479928
   ]
  },
  "max_3m": {
   "gradient_pct": 50.080593981298684,
   "start_distance_m": 4447.0,
   "end_distance_m": 4450.0,
   "midpoint_distance_m": 4448.5,
   "start_elevation_m": 1178.8912959315196,
   "end_elevation_m": 1180.3937137509586,
   "start_xy": [
    2646778.9753948427,
    1132841.2419307288
   ],
   "end_xy": [
    2646781.248042514,
    1132843.1962063252
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.046,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "placement_suppression": {
   "masked_fraction": 0.056,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.08,
   "windows_resited": [
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 4,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 2393.0,
     "end_m": 2418.0,
     "raw_pct": 29.96,
     "reason": "spike+hump+mask-edge"
    },
    {
     "window_m": 20.0,
     "start_m": 2398.0,
     "end_m": 2418.0,
     "raw_pct": 33.7,
     "reason": "spike+hump+mask-edge"
    },
    {
     "window_m": 10.0,
     "start_m": 2405.0,
     "end_m": 2415.0,
     "raw_pct": 42.86,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 2407.0,
     "end_m": 2412.0,
     "raw_pct": 48.54,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 4734.0,
     "end_m": 4759.0,
     "raw_pct": 29.83,
     "reason": "spike+hump"
    },
    {
     "window_m": 20.0,
     "start_m": 4736.0,
     "end_m": 4756.0,
     "raw_pct": 32.36,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 4739.0,
     "end_m": 4749.0,
     "raw_pct": 39.11,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 3361.0,
     "end_m": 3366.0,
     "raw_pct": 45.34,
     "reason": "hump+short-step"
    },
    {
     "window_m": 25.0,
     "start_m": 2042.0,
     "end_m": 2067.0,
     "raw_pct": 24.43,
     "reason": "hump+mask-edge"
    },
    {
     "window_m": 20.0,
     "start_m": 2043.0,
     "end_m": 2063.0,
     "raw_pct": 27.5,
     "reason": "hump+mask-edge"
    },
    {
     "window_m": 10.0,
     "start_m": 4544.0,
     "end_m": 4554.0,
     "raw_pct": 36.01,
     "reason": "mask-edge"
    },
    {
     "window_m": 5.0,
     "start_m": 2295.0,
     "end_m": 2300.0,
     "raw_pct": 45.11,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 1760.0,
     "end_m": 1785.0,
     "raw_pct": 21.39,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 5096.0,
     "end_m": 5116.0,
     "raw_pct": 24.08,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": [
    {
     "window_m": 25.0,
     "start_m": 1993.0,
     "end_m": 2018.0,
     "pct": 18.52,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 1703.0,
     "end_m": 1723.0,
     "pct": 23.7,
     "reason": "hump+mask-edge"
    }
   ]
  },
  "excluded_ranges_m": [
   [
    1095.0,
    1100.0
   ],
   [
    1310.0,
    1315.0
   ],
   [
    1526.0,
    1535.0
   ],
   [
    1628.0,
    1633.0
   ],
   [
    1673.0,
    1678.0
   ],
   [
    1692.0,
    1702.0
   ],
   [
    1758.0,
    1787.0
   ],
   [
    1813.0,
    1819.0
   ],
   [
    1829.0,
    1834.0
   ],
   [
    2031.0,
    2069.0
   ],
   [
    2274.0,
    2279.0
   ],
   [
    2293.0,
    2302.0
   ],
   [
    2391.0,
    2420.0
   ],
   [
    2423.0,
    2430.0
   ],
   [
    2470.0,
    2500.0
   ],
   [
    2660.0,
    2700.0
   ],
   [
    3359.0,
    3368.0
   ],
   [
    3561.0,
    3568.0
   ],
   [
    3863.0,
    3870.0
   ],
   [
    3883.0,
    3890.0
   ],
   [
    4094.0,
    4099.0
   ],
   [
    4414.0,
    4419.0
   ],
   [
    4428.0,
    4435.0
   ],
   [
    4457.0,
    4462.0
   ],
   [
    4466.0,
    4480.0
   ],
   [
    4535.0,
    4556.0
   ],
   [
    4597.0,
    4602.0
   ],
   [
    4620.0,
    4650.0
   ],
   [
    4661.0,
    4671.0
   ],
   [
    4676.0,
    4681.0
   ],
   [
    4683.0,
    4688.0
   ],
   [
    4706.0,
    4716.0
   ],
   [
    4732.0,
    4761.0
   ],
   [
    4932.0,
    4940.0
   ],
   [
    4995.0,
    5032.0
   ],
   [
    5060.0,
    5065.0
   ],
   [
    5094.0,
    5118.0
   ],
   [
    5457.0,
    5466.0
   ],
   [
    5470.0,
    5475.0
   ],
   [
    5477.0,
    5482.0
   ],
   [
    5490.0,
    5495.0
   ],
   [
    5498.0,
    5538.0
   ],
   [
    6520.0,
    6529.0
   ]
  ],
  "review": [
   "texture_unresolved"
  ],
  "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_2024_2646-1132_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2646-1133_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2646-1134_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2647-1132_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2647-1133_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2647-1134_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T04:24:38+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/spike-remeasure/batch-switzerland.pbf",
  "osm_snapshot": "",
  "run_id": "spike-remeasure-260915",
  "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": [
   "2646-1132",
   "2646-1133",
   "2646-1134",
   "2647-1132",
   "2647-1133",
   "2647-1134"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "M\u00f6rel-Filet",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}