{
 "ocl_version": "0.1.0",
 "name": "Ratzistrasse",
 "slug": "ratzistrasse-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.243352274118024,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 5838.0,
   "end_distance_m": 5840.0,
   "start_elevation_m": 1600.7472708415448,
   "end_elevation_m": 1601.2321378870272,
   "min_gradient_pct": -9.743486114007283
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.30655568549567,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1036.0,
   "end_distance_m": 1039.0,
   "start_elevation_m": 1152.8029300260105,
   "end_elevation_m": 1153.4121266965753,
   "min_gradient_pct": -9.443329271584844
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.09043113140251,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1036.0,
   "end_distance_m": 1041.0,
   "start_elevation_m": 1152.8029300260105,
   "end_elevation_m": 1153.8074515825806,
   "min_gradient_pct": -9.18040546994689
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.33315757015862,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1035.0,
   "end_distance_m": 1045.0,
   "start_elevation_m": 1152.6330737553008,
   "end_elevation_m": 1154.5663895123166,
   "min_gradient_pct": -9.10153522569999
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.805449387915587,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1102.0,
   "end_distance_m": 1122.0,
   "start_elevation_m": 1162.470608926067,
   "end_elevation_m": 1166.23169880365,
   "min_gradient_pct": -8.537222131565159
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.58012053166385,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1102.0,
   "end_distance_m": 1127.0,
   "start_elevation_m": 1162.470608926067,
   "end_elevation_m": 1167.1156390589829,
   "min_gradient_pct": -8.359837654887997
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.137399365336478,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2774.0,
   "end_distance_m": 2824.0,
   "start_elevation_m": 1345.6302467771204,
   "end_elevation_m": 1354.6989464597887,
   "min_gradient_pct": -7.881668399689261
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.07407781892539,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2774.0,
   "end_distance_m": 2874.0,
   "start_elevation_m": 1345.6302467771204,
   "end_elevation_m": 1362.7043245960458,
   "min_gradient_pct": -7.700947041659674
  }
 ],
 "shape": {
  "ascent_concentration": 0.316,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 594.0,
  "shape_class": "sustained"
 },
 "length_m": 7697.637172688859,
 "start_elevation_m": 1040.5089444355697,
 "end_elevation_m": 1735.203166835451,
 "endpoint_gain_m": 694.6942223998813,
 "overall_gradient_pct": 9.024772236143443,
 "accumulated_ascent_m": 708.8754051722183,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.09043113140251,
   "start_distance_m": 1036.0,
   "end_distance_m": 1041.0,
   "midpoint_distance_m": 1038.5,
   "start_elevation_m": 1152.8029300260105,
   "end_elevation_m": 1153.8074515825806,
   "start_xy": [
    2698764.039915597,
    1192404.9740485235
   ],
   "end_xy": [
    2698767.8124131095,
    1192401.7002139702
   ]
  },
  "max_10m": {
   "gradient_pct": 19.33315757015862,
   "start_distance_m": 1035.0,
   "end_distance_m": 1045.0,
   "midpoint_distance_m": 1040.0,
   "start_elevation_m": 1152.6330737553008,
   "end_elevation_m": 1154.5663895123166,
   "start_xy": [
    2698763.297698662,
    1192405.6442082217
   ],
   "end_xy": [
    2698771.089610434,
    1192399.4074521868
   ]
  },
  "max_20m": {
   "gradient_pct": 18.805449387915587,
   "start_distance_m": 1102.0,
   "end_distance_m": 1122.0,
   "midpoint_distance_m": 1112.0,
   "start_elevation_m": 1162.470608926067,
   "end_elevation_m": 1166.23169880365,
   "start_xy": [
    2698827.325404169,
    1192396.8256942325
   ],
   "end_xy": [
    2698847.113879811,
    1192394.210985393
   ]
  },
  "max_25m": {
   "gradient_pct": 18.58012053166385,
   "start_distance_m": 1102.0,
   "end_distance_m": 1127.0,
   "midpoint_distance_m": 1114.5,
   "start_elevation_m": 1162.470608926067,
   "end_elevation_m": 1167.1156390589829,
   "start_xy": [
    2698827.325404169,
    1192396.8256942325
   ],
   "end_xy": [
    2698852.019607575,
    1192393.2446769723
   ]
  },
  "max_50m": {
   "gradient_pct": 18.137399365336478,
   "start_distance_m": 2774.0,
   "end_distance_m": 2824.0,
   "midpoint_distance_m": 2799.0,
   "start_elevation_m": 1345.6302467771204,
   "end_elevation_m": 1354.6989464597887,
   "start_xy": [
    2699009.1975579946,
    1192960.5359050566
   ],
   "end_xy": [
    2698959.766543759,
    1192953.2789559374
   ]
  },
  "max_100m": {
   "gradient_pct": 17.07407781892539,
   "start_distance_m": 2774.0,
   "end_distance_m": 2874.0,
   "midpoint_distance_m": 2824.0,
   "start_elevation_m": 1345.6302467771204,
   "end_elevation_m": 1362.7043245960458,
   "start_xy": [
    2699009.1975579946,
    1192960.5359050566
   ],
   "end_xy": [
    2698911.8828532076,
    1192956.2586920308
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.18040546994689,
   "start_distance_m": 6874.0,
   "end_distance_m": 6879.0,
   "midpoint_distance_m": 6876.5,
   "start_elevation_m": 1687.0371635568645,
   "end_elevation_m": 1686.5781432833671,
   "start_xy": [
    2698415.163181182,
    1194006.3845294563
   ],
   "end_xy": [
    2698410.428938537,
    1194007.9929282176
   ]
  },
  "min_10m": {
   "gradient_pct": -9.10153522569999,
   "start_distance_m": 6870.0,
   "end_distance_m": 6880.0,
   "midpoint_distance_m": 6875.0,
   "start_elevation_m": 1687.3919055153128,
   "end_elevation_m": 1686.4817519927428,
   "start_xy": [
    2698418.998091414,
    1194005.3160901912
   ],
   "end_xy": [
    2698409.482090008,
    1194008.3146079697
   ]
  },
  "min_20m": {
   "gradient_pct": -8.537222131565159,
   "start_distance_m": 6867.0,
   "end_distance_m": 6887.0,
   "midpoint_distance_m": 6877.0,
   "start_elevation_m": 1687.6287441153268,
   "end_elevation_m": 1685.9212996890137,
   "start_xy": [
    2698421.9827489513,
    1194005.0130730537
   ],
   "end_xy": [
    2698402.8541503046,
    1194010.5663662357
   ]
  },
  "min_25m": {
   "gradient_pct": -8.359837654887997,
   "start_distance_m": 6866.0,
   "end_distance_m": 6891.0,
   "midpoint_distance_m": 6878.5,
   "start_elevation_m": 1687.7106833313558,
   "end_elevation_m": 1685.6207239176338,
   "start_xy": [
    2698422.977634797,
    1194004.9120673412
   ],
   "end_xy": [
    2698399.0667561884,
    1194011.8530852448
   ]
  },
  "min_50m": {
   "gradient_pct": -7.881668399689261,
   "start_distance_m": 6869.0,
   "end_distance_m": 6919.0,
   "midpoint_distance_m": 6894.0,
   "start_elevation_m": 1687.4772956792192,
   "end_elevation_m": 1683.5364614793746,
   "start_xy": [
    2698419.9929772597,
    1194005.2150844787
   ],
   "end_xy": [
    2698372.954711251,
    1194021.9506259728
   ]
  },
  "min_100m": {
   "gradient_pct": -7.700947041659674,
   "start_distance_m": 6862.0,
   "end_distance_m": 6962.0,
   "midpoint_distance_m": 6912.0,
   "start_elevation_m": 1687.9769461667106,
   "end_elevation_m": 1680.275999125051,
   "start_xy": [
    2698426.95717818,
    1194004.508044491
   ],
   "end_xy": [
    2698337.7517808476,
    1194045.7794174873
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.243352274118024,
   "start_distance_m": 5838.0,
   "end_distance_m": 5840.0,
   "midpoint_distance_m": 5839.0,
   "start_elevation_m": 1600.7472708415448,
   "end_elevation_m": 1601.2321378870272,
   "start_xy": [
    2699010.654401564,
    1193745.0998442988
   ],
   "end_xy": [
    2699008.8742352948,
    1193746.011440731
   ]
  },
  "max_3m": {
   "gradient_pct": 20.30655568549567,
   "start_distance_m": 1036.0,
   "end_distance_m": 1039.0,
   "midpoint_distance_m": 1037.5,
   "start_elevation_m": 1152.8029300260105,
   "end_elevation_m": 1153.4121266965753,
   "start_xy": [
    2698764.039915597,
    1192404.9740485235
   ],
   "end_xy": [
    2698766.2665664023,
    1192402.963569428
   ]
  }
 },
 "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_2022_2697-1192_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2697-1194_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2698-1192_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2698-1193_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2698-1194_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2699-1192_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2699-1193_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2699-1194_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T04:36:31+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-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": [
   "2697-1192",
   "2697-1194",
   "2698-1192",
   "2698-1193",
   "2698-1194",
   "2699-1192",
   "2699-1193",
   "2699-1194"
  ],
  "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": "Spiringen",
  "county": "Uri",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}