{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.4489, 7.6108)",
 "slug": "discovered-lane-47-4489-7-6108",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.729004702496013,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 238.0,
   "end_distance_m": 240.0,
   "start_elevation_m": 395.55234629823246,
   "end_elevation_m": 395.9869263922824,
   "min_gradient_pct": 2.3179076228387885
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.21470607160442,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 252.0,
   "end_distance_m": 255.0,
   "start_elevation_m": 398.3741799481453,
   "end_elevation_m": 399.01062113029343,
   "min_gradient_pct": 3.149781202360676
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.249066887182835,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 252.0,
   "end_distance_m": 257.0,
   "start_elevation_m": 398.3741799481453,
   "end_elevation_m": 399.43663329250444,
   "min_gradient_pct": 3.670722062262257
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.65428627375354,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 247.0,
   "end_distance_m": 257.0,
   "start_elevation_m": 397.3712046651291,
   "end_elevation_m": 399.43663329250444,
   "min_gradient_pct": 4.0616291481427425
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.41534432424953,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 237.0,
   "end_distance_m": 257.0,
   "start_elevation_m": 395.35356442765453,
   "end_elevation_m": 399.43663329250444,
   "min_gradient_pct": 5.207908150681249
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.26498359236757,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 235.0,
   "end_distance_m": 260.0,
   "start_elevation_m": 394.9441101398347,
   "end_elevation_m": 400.0103560379266,
   "min_gradient_pct": 5.591438314412926
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.70716045199333,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 216.0,
   "end_distance_m": 266.0,
   "start_elevation_m": 391.3046293226363,
   "end_elevation_m": 401.15820954863295,
   "min_gradient_pct": 6.759125423395744
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.359282866768012,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 189.0,
   "end_distance_m": 289.0,
   "start_elevation_m": 386.67407510034644,
   "end_elevation_m": 405.03335796711445,
   "min_gradient_pct": 7.5887251033094
  }
 ],
 "shape": {
  "ascent_concentration": 0.351,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 351.0,
  "shape_class": "sustained"
 },
 "length_m": 494.3419152278723,
 "start_elevation_m": 367.7735256567667,
 "end_elevation_m": 431.1580493117671,
 "endpoint_gain_m": 63.38452365500041,
 "overall_gradient_pct": 12.82200066441516,
 "accumulated_ascent_m": 63.38452365500041,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.249066887182835,
   "start_distance_m": 252.0,
   "end_distance_m": 257.0,
   "midpoint_distance_m": 254.5,
   "start_elevation_m": 398.3741799481453,
   "end_elevation_m": 399.43663329250444,
   "start_xy": [
    2612905.5080510085,
    1255411.2809857975
   ],
   "end_xy": [
    2612909.3574646004,
    1255408.1107158642
   ]
  },
  "max_10m": {
   "gradient_pct": 20.65428627375354,
   "start_distance_m": 247.0,
   "end_distance_m": 257.0,
   "midpoint_distance_m": 252.0,
   "start_elevation_m": 397.3712046651291,
   "end_elevation_m": 399.43663329250444,
   "start_xy": [
    2612901.8633226175,
    1255414.703843515
   ],
   "end_xy": [
    2612909.3574646004,
    1255408.1107158642
   ]
  },
  "max_20m": {
   "gradient_pct": 20.41534432424953,
   "start_distance_m": 237.0,
   "end_distance_m": 257.0,
   "midpoint_distance_m": 247.0,
   "start_elevation_m": 395.35356442765453,
   "end_elevation_m": 399.43663329250444,
   "start_xy": [
    2612894.573865835,
    1255421.54955895
   ],
   "end_xy": [
    2612909.3574646004,
    1255408.1107158642
   ]
  },
  "max_25m": {
   "gradient_pct": 20.26498359236757,
   "start_distance_m": 235.0,
   "end_distance_m": 260.0,
   "midpoint_distance_m": 247.5,
   "start_elevation_m": 394.9441101398347,
   "end_elevation_m": 400.0103560379266,
   "start_xy": [
    2612893.1159744784,
    1255422.9187020368
   ],
   "end_xy": [
    2612911.819793297,
    1255406.396966352
   ]
  },
  "max_50m": {
   "gradient_pct": 19.70716045199333,
   "start_distance_m": 216.0,
   "end_distance_m": 266.0,
   "midpoint_distance_m": 241.0,
   "start_elevation_m": 391.3046293226363,
   "end_elevation_m": 401.15820954863295,
   "start_xy": [
    2612878.959176563,
    1255435.5857112214
   ],
   "end_xy": [
    2612917.222453834,
    1255403.791427759
   ]
  },
  "max_100m": {
   "gradient_pct": 18.359282866768012,
   "start_distance_m": 189.0,
   "end_distance_m": 289.0,
   "midpoint_distance_m": 239.0,
   "start_elevation_m": 386.67407510034644,
   "end_elevation_m": 405.03335796711445,
   "start_xy": [
    2612856.2064762902,
    1255449.9504183072
   ],
   "end_xy": [
    2612939.0376334176,
    1255396.6531761172
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 3.670722062262257,
   "start_distance_m": 488.0,
   "end_distance_m": 493.0,
   "midpoint_distance_m": 490.5,
   "start_elevation_m": 430.9245168653495,
   "end_elevation_m": 431.10805296846263,
   "start_xy": [
    2613094.344537536,
    1255330.1867637397
   ],
   "end_xy": [
    2613099.2472067145,
    1255331.16851469
   ]
  },
  "min_10m": {
   "gradient_pct": 4.0616291481427425,
   "start_distance_m": 484.0,
   "end_distance_m": 494.0,
   "midpoint_distance_m": 489.0,
   "start_elevation_m": 430.7500253372624,
   "end_elevation_m": 431.1561882520767,
   "start_xy": [
    2613090.422402194,
    1255329.4013629796
   ],
   "end_xy": [
    2613100.2277405504,
    1255331.36486488
   ]
  },
  "min_20m": {
   "gradient_pct": 5.207908150681249,
   "start_distance_m": 474.0,
   "end_distance_m": 494.0,
   "midpoint_distance_m": 484.0,
   "start_elevation_m": 430.1146066219404,
   "end_elevation_m": 431.1561882520767,
   "start_xy": [
    2613080.617063837,
    1255327.4378610791
   ],
   "end_xy": [
    2613100.2277405504,
    1255331.36486488
   ]
  },
  "min_25m": {
   "gradient_pct": 5.591438314412926,
   "start_distance_m": 469.0,
   "end_distance_m": 494.0,
   "midpoint_distance_m": 481.5,
   "start_elevation_m": 429.75832867347344,
   "end_elevation_m": 431.1561882520767,
   "start_xy": [
    2613075.714394659,
    1255326.456110129
   ],
   "end_xy": [
    2613100.2277405504,
    1255331.36486488
   ]
  },
  "min_50m": {
   "gradient_pct": 6.759125423395744,
   "start_distance_m": 16.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 41.0,
   "start_elevation_m": 368.95096322686874,
   "end_elevation_m": 372.3305259385666,
   "start_xy": [
    2612695.714214914,
    1255465.7143536902
   ],
   "end_xy": [
    2612745.4365817453,
    1255464.3601325816
   ]
  },
  "min_100m": {
   "gradient_pct": 7.5887251033094,
   "start_distance_m": 1.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 367.9034014649715,
   "end_elevation_m": 375.4921265682809,
   "start_xy": [
    2612680.914460945,
    1255468.1033963321
   ],
   "end_xy": [
    2612778.3629981563,
    1255475.965470747
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.729004702496013,
   "start_distance_m": 238.0,
   "end_distance_m": 240.0,
   "midpoint_distance_m": 239.0,
   "start_elevation_m": 395.55234629823246,
   "end_elevation_m": 395.9869263922824,
   "start_xy": [
    2612895.302811513,
    1255420.8649874064
   ],
   "end_xy": [
    2612896.76070287,
    1255419.4958443195
   ]
  },
  "max_3m": {
   "gradient_pct": 21.21470607160442,
   "start_distance_m": 252.0,
   "end_distance_m": 255.0,
   "midpoint_distance_m": 253.5,
   "start_elevation_m": 398.3741799481453,
   "end_elevation_m": 399.01062113029343,
   "start_xy": [
    2612905.5080510085,
    1255411.2809857975
   ],
   "end_xy": [
    2612907.7159121362,
    1255409.253215539
   ]
  }
 },
 "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_2025_2612-1255_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2613-1255_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:13:11+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": [
   "2612-1255",
   "2613-1255"
  ],
  "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": "Duggingen",
  "county": "Basel-Landschaft",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}