{
 "ocl_version": "0.1.0",
 "name": "Eptingerstrasse",
 "slug": "eptingerstrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.60902198408803,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1175.0,
   "end_distance_m": 1177.0,
   "start_elevation_m": 693.6332836706787,
   "end_elevation_m": 694.1254641103604,
   "min_gradient_pct": -9.18418456475365
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.523339620222334,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1182.0,
   "end_distance_m": 1185.0,
   "start_elevation_m": 695.1486177613283,
   "end_elevation_m": 695.854317949935,
   "min_gradient_pct": -8.166317477328752
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.879379072994652,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1172.0,
   "end_distance_m": 1177.0,
   "start_elevation_m": 692.9814951567107,
   "end_elevation_m": 694.1254641103604,
   "min_gradient_pct": -7.484334870566727
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.297860083165233,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1167.0,
   "end_distance_m": 1177.0,
   "start_elevation_m": 691.8956781020439,
   "end_elevation_m": 694.1254641103604,
   "min_gradient_pct": -6.658844935720936
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.033374485478703,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1165.0,
   "end_distance_m": 1185.0,
   "start_elevation_m": 691.4476430528392,
   "end_elevation_m": 695.854317949935,
   "min_gradient_pct": -2.2404782971869963
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.85100020538448,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1160.0,
   "end_distance_m": 1185.0,
   "start_elevation_m": 690.3915678985888,
   "end_elevation_m": 695.854317949935,
   "min_gradient_pct": -1.1173508240563024
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.66455564156331,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1135.0,
   "end_distance_m": 1185.0,
   "start_elevation_m": 685.0220401291533,
   "end_elevation_m": 695.854317949935,
   "min_gradient_pct": 0.12434933947156424
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.956384790596758,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1111.0,
   "end_distance_m": 1211.0,
   "start_elevation_m": 680.2251216091174,
   "end_elevation_m": 701.1815063997142,
   "min_gradient_pct": 0.7888154120867057
  }
 ],
 "shape": {
  "ascent_concentration": 0.361,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 396.0,
  "shape_class": "sustained"
 },
 "length_m": 2606.978304056456,
 "start_elevation_m": 549.8068389902434,
 "end_elevation_m": 810.5951923359455,
 "endpoint_gain_m": 260.78835334570215,
 "overall_gradient_pct": 10.00347233192987,
 "accumulated_ascent_m": 262.0502999522115,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.879379072994652,
   "start_distance_m": 1172.0,
   "end_distance_m": 1177.0,
   "midpoint_distance_m": 1174.5,
   "start_elevation_m": 692.9814951567107,
   "end_elevation_m": 694.1254641103604,
   "start_xy": [
    2630603.672324657,
    1248594.3024850832
   ],
   "end_xy": [
    2630599.533965791,
    1248591.4964227353
   ]
  },
  "max_10m": {
   "gradient_pct": 22.297860083165233,
   "start_distance_m": 1167.0,
   "end_distance_m": 1177.0,
   "midpoint_distance_m": 1172.0,
   "start_elevation_m": 691.8956781020439,
   "end_elevation_m": 694.1254641103604,
   "start_xy": [
    2630607.8106835224,
    1248597.1085474312
   ],
   "end_xy": [
    2630599.533965791,
    1248591.4964227353
   ]
  },
  "max_20m": {
   "gradient_pct": 22.033374485478703,
   "start_distance_m": 1165.0,
   "end_distance_m": 1185.0,
   "midpoint_distance_m": 1175.0,
   "start_elevation_m": 691.4476430528392,
   "end_elevation_m": 695.854317949935,
   "start_xy": [
    2630609.4660270684,
    1248598.2309723704
   ],
   "end_xy": [
    2630592.665795384,
    1248587.4006194195
   ]
  },
  "max_25m": {
   "gradient_pct": 21.85100020538448,
   "start_distance_m": 1160.0,
   "end_distance_m": 1185.0,
   "midpoint_distance_m": 1172.5,
   "start_elevation_m": 690.3915678985888,
   "end_elevation_m": 695.854317949935,
   "start_xy": [
    2630613.604385934,
    1248601.0370347183
   ],
   "end_xy": [
    2630592.665795384,
    1248587.4006194195
   ]
  },
  "max_50m": {
   "gradient_pct": 21.66455564156331,
   "start_distance_m": 1135.0,
   "end_distance_m": 1185.0,
   "midpoint_distance_m": 1160.0,
   "start_elevation_m": 685.0220401291533,
   "end_elevation_m": 695.854317949935,
   "start_xy": [
    2630633.7967590806,
    1248615.7716914155
   ],
   "end_xy": [
    2630592.665795384,
    1248587.4006194195
   ]
  },
  "max_100m": {
   "gradient_pct": 20.956384790596758,
   "start_distance_m": 1111.0,
   "end_distance_m": 1211.0,
   "midpoint_distance_m": 1161.0,
   "start_elevation_m": 680.2251216091174,
   "end_elevation_m": 701.1815063997142,
   "start_xy": [
    2630652.882564854,
    1248630.3222352613
   ],
   "end_xy": [
    2630568.389858054,
    1248578.5054598483
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.484334870566727,
   "start_distance_m": 30.0,
   "end_distance_m": 35.0,
   "midpoint_distance_m": 32.5,
   "start_elevation_m": 551.9050019763752,
   "end_elevation_m": 551.5307852328468,
   "start_xy": [
    2631344.199285603,
    1249303.2338452446
   ],
   "end_xy": [
    2631339.457166537,
    1249301.648819452
   ]
  },
  "min_10m": {
   "gradient_pct": -6.658844935720936,
   "start_distance_m": 28.0,
   "end_distance_m": 38.0,
   "midpoint_distance_m": 33.0,
   "start_elevation_m": 551.996691926511,
   "end_elevation_m": 551.3308074329389,
   "start_xy": [
    2631346.09613323,
    1249303.8678555617
   ],
   "end_xy": [
    2631336.6118950974,
    1249300.6978039765
   ]
  },
  "min_20m": {
   "gradient_pct": -2.2404782971869963,
   "start_distance_m": 25.0,
   "end_distance_m": 45.0,
   "midpoint_distance_m": 35.0,
   "start_elevation_m": 551.9862408137452,
   "end_elevation_m": 551.5381451543078,
   "start_xy": [
    2631348.9414046695,
    1249304.818871037
   ],
   "end_xy": [
    2631335.154501511,
    1249295.184154014
   ]
  },
  "min_25m": {
   "gradient_pct": -1.1173508240563024,
   "start_distance_m": 25.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 37.5,
   "start_elevation_m": 551.9862408137452,
   "end_elevation_m": 551.7069031077311,
   "start_xy": [
    2631348.9414046695,
    1249304.818871037
   ],
   "end_xy": [
    2631335.73083609,
    1249290.2174812392
   ]
  },
  "min_50m": {
   "gradient_pct": 0.12434933947156424,
   "start_distance_m": 2079.0,
   "end_distance_m": 2129.0,
   "midpoint_distance_m": 2104.0,
   "start_elevation_m": 772.905745403155,
   "end_elevation_m": 772.9679200728908,
   "start_xy": [
    2630639.9025025335,
    1248333.0716675846
   ],
   "end_xy": [
    2630686.744789604,
    1248350.5556728155
   ]
  },
  "min_100m": {
   "gradient_pct": 0.7888154120867057,
   "start_distance_m": 2029.0,
   "end_distance_m": 2129.0,
   "midpoint_distance_m": 2079.0,
   "start_elevation_m": 772.1791046608041,
   "end_elevation_m": 772.9679200728908,
   "start_xy": [
    2630593.9204961453,
    1248313.485305933
   ],
   "end_xy": [
    2630686.744789604,
    1248350.5556728155
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.60902198408803,
   "start_distance_m": 1175.0,
   "end_distance_m": 1177.0,
   "midpoint_distance_m": 1176.0,
   "start_elevation_m": 693.6332836706787,
   "end_elevation_m": 694.1254641103604,
   "start_xy": [
    2630601.1893093376,
    1248592.6188476745
   ],
   "end_xy": [
    2630599.533965791,
    1248591.4964227353
   ]
  },
  "max_3m": {
   "gradient_pct": 23.523339620222334,
   "start_distance_m": 1182.0,
   "end_distance_m": 1185.0,
   "midpoint_distance_m": 1183.5,
   "start_elevation_m": 695.1486177613283,
   "end_elevation_m": 695.854317949935,
   "start_xy": [
    2630595.263903077,
    1248588.9005648904
   ],
   "end_xy": [
    2630592.665795384,
    1248587.4006194195
   ]
  }
 },
 "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",
   "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_2025_2630-1248_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2630-1249_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2631-1248_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2631-1249_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T02:53:58+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": [
   "2630-1248",
   "2630-1249",
   "2631-1248",
   "2631-1249"
  ],
  "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": "L\u00e4ufelfingen",
  "county": "Basel-Landschaft",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}