{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0117, 7.7527)",
 "slug": "discovered-lane-47-0117-7-7527",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.41347789101269,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 301.0,
   "end_distance_m": 303.0,
   "start_elevation_m": 707.6237075352124,
   "end_elevation_m": 708.0719770930326,
   "min_gradient_pct": -2.8946099442066497,
   "suppressed_max_gradient_pct": 46.54685372281051,
   "suppressed_location_m": [
    0.0,
    2.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.120321949004545,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 300.0,
   "end_distance_m": 303.0,
   "start_elevation_m": 707.4083674345625,
   "end_elevation_m": 708.0719770930326,
   "min_gradient_pct": -1.5874634525289366,
   "suppressed_max_gradient_pct": 29.577099050682893,
   "suppressed_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.66794303048846,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 298.0,
   "end_distance_m": 303.0,
   "start_elevation_m": 706.9885799415082,
   "end_elevation_m": 708.0719770930326,
   "min_gradient_pct": -0.12435844691935927
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.36787943160357,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 296.0,
   "end_distance_m": 306.0,
   "start_elevation_m": 706.5519385510715,
   "end_elevation_m": 708.6887264942319,
   "min_gradient_pct": 1.5741656141494786
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.184254106212848,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 282.0,
   "end_distance_m": 302.0,
   "start_elevation_m": 703.6196083067357,
   "end_elevation_m": 707.8564591279783,
   "min_gradient_pct": 1.7629564557034882
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.167394989274726,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 278.0,
   "end_distance_m": 303.0,
   "start_elevation_m": 702.7801283457139,
   "end_elevation_m": 708.0719770930326,
   "min_gradient_pct": 1.8185845364332636
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.87870021367712,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 261.0,
   "end_distance_m": 311.0,
   "start_elevation_m": 699.3012687888258,
   "end_elevation_m": 709.7406188956644,
   "min_gradient_pct": 1.9188613588855787
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.399317524959997,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 233.0,
   "end_distance_m": 333.0,
   "start_elevation_m": 693.9704527513323,
   "end_elevation_m": 713.3697702762923,
   "min_gradient_pct": 2.0182567860604195
  }
 ],
 "shape": {
  "ascent_concentration": 0.46,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 180.0,
  "shape_class": "stepped"
 },
 "length_m": 333.0426925763716,
 "start_elevation_m": 676.9689829406074,
 "end_elevation_m": 713.3773497226513,
 "endpoint_gain_m": 36.40836678204391,
 "overall_gradient_pct": 10.932041925434211,
 "accumulated_ascent_m": 36.541490855434404,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.66794303048846,
   "start_distance_m": 298.0,
   "end_distance_m": 303.0,
   "midpoint_distance_m": 300.5,
   "start_elevation_m": 706.9885799415082,
   "end_elevation_m": 708.0719770930326,
   "start_xy": [
    2623865.4282882977,
    1206823.4216159747
   ],
   "end_xy": [
    2623863.907924385,
    1206828.1844829028
   ]
  },
  "max_10m": {
   "gradient_pct": 21.36787943160357,
   "start_distance_m": 296.0,
   "end_distance_m": 306.0,
   "midpoint_distance_m": 301.0,
   "start_elevation_m": 706.5519385510715,
   "end_elevation_m": 708.6887264942319,
   "start_xy": [
    2623866.0288078543,
    1206821.5139010428
   ],
   "end_xy": [
    2623862.8941701753,
    1206831.0080094924
   ]
  },
  "max_20m": {
   "gradient_pct": 21.184254106212848,
   "start_distance_m": 282.0,
   "end_distance_m": 302.0,
   "midpoint_distance_m": 292.0,
   "start_elevation_m": 703.6196083067357,
   "end_elevation_m": 707.8564591279783,
   "start_xy": [
    2623870.232444749,
    1206808.1598965176
   ],
   "end_xy": [
    2623864.227249185,
    1206827.2370458392
   ]
  },
  "max_25m": {
   "gradient_pct": 21.167394989274726,
   "start_distance_m": 278.0,
   "end_distance_m": 303.0,
   "midpoint_distance_m": 290.5,
   "start_elevation_m": 702.7801283457139,
   "end_elevation_m": 708.0719770930326,
   "start_xy": [
    2623871.433483862,
    1206804.3444666534
   ],
   "end_xy": [
    2623863.907924385,
    1206828.1844829028
   ]
  },
  "max_50m": {
   "gradient_pct": 20.87870021367712,
   "start_distance_m": 261.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 286.0,
   "start_elevation_m": 699.3012687888258,
   "end_elevation_m": 709.7406188956644,
   "start_xy": [
    2623877.8484235597,
    1206788.6123834047
   ],
   "end_xy": [
    2623861.204579826,
    1206835.7138871418
   ]
  },
  "max_100m": {
   "gradient_pct": 19.399317524959997,
   "start_distance_m": 233.0,
   "end_distance_m": 333.0,
   "midpoint_distance_m": 283.0,
   "start_elevation_m": 693.9704527513323,
   "end_elevation_m": 713.3697702762923,
   "start_xy": [
    2623891.756662689,
    1206764.3628607292
   ],
   "end_xy": [
    2623850.8438396244,
    1206855.077316395
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.12435844691935927,
   "start_distance_m": 1.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 677.914188111012,
   "end_elevation_m": 677.907970188666,
   "start_xy": [
    2623861.8365261015,
    1206598.6805539208
   ],
   "end_xy": [
    2623858.244156607,
    1206602.1583235248
   ]
  },
  "min_10m": {
   "gradient_pct": 1.5741656141494786,
   "start_distance_m": 43.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 48.0,
   "start_elevation_m": 678.771619558916,
   "end_elevation_m": 678.9290361203309,
   "start_xy": [
    2623886.202116498,
    1206623.7533961518
   ],
   "end_xy": [
    2623894.995157885,
    1206628.5160029125
   ]
  },
  "min_20m": {
   "gradient_pct": 1.7629564557034882,
   "start_distance_m": 60.0,
   "end_distance_m": 80.0,
   "midpoint_distance_m": 70.0,
   "start_elevation_m": 679.1071232754753,
   "end_elevation_m": 679.459714566616,
   "start_xy": [
    2623901.1502868566,
    1206631.849827645
   ],
   "end_xy": [
    2623918.7363696313,
    1206641.3750411666
   ]
  },
  "min_25m": {
   "gradient_pct": 1.8185845364332636,
   "start_distance_m": 27.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 39.5,
   "start_elevation_m": 678.4526484984251,
   "end_elevation_m": 678.9072946325334,
   "start_xy": [
    2623872.903033227,
    1206614.8698510898
   ],
   "end_xy": [
    2623894.1158537464,
    1206628.0397422365
   ]
  },
  "min_50m": {
   "gradient_pct": 1.9188613588855787,
   "start_distance_m": 34.0,
   "end_distance_m": 84.0,
   "midpoint_distance_m": 59.0,
   "start_elevation_m": 678.5797642345384,
   "end_elevation_m": 679.5391949139812,
   "start_xy": [
    2623878.687989856,
    1206618.8112057806
   ],
   "end_xy": [
    2623922.2535861866,
    1206643.2800838707
   ]
  },
  "min_100m": {
   "gradient_pct": 2.0182567860604195,
   "start_distance_m": 1.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 677.914188111012,
   "end_elevation_m": 679.9324448970724,
   "start_xy": [
    2623861.8365261015,
    1206598.6805539208
   ],
   "end_xy": [
    2623937.2017565453,
    1206651.376515364
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.41347789101269,
   "start_distance_m": 301.0,
   "end_distance_m": 303.0,
   "midpoint_distance_m": 302.0,
   "start_elevation_m": 707.6237075352124,
   "end_elevation_m": 708.0719770930326,
   "start_xy": [
    2623864.527508963,
    1206826.283188373
   ],
   "end_xy": [
    2623863.907924385,
    1206828.1844829028
   ]
  },
  "max_3m": {
   "gradient_pct": 22.120321949004545,
   "start_distance_m": 300.0,
   "end_distance_m": 303.0,
   "midpoint_distance_m": 301.5,
   "start_elevation_m": 707.4083674345625,
   "end_elevation_m": 708.0719770930326,
   "start_xy": [
    2623864.827768741,
    1206825.329330907
   ],
   "end_xy": [
    2623863.907924385,
    1206828.1844829028
   ]
  }
 },
 "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": 0.012,
   "windows_resited": [
    2.0,
    3.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    3.0
   ]
  ],
  "review": [],
  "extent": [
   "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_2623-1206_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:50:40+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": [
   "2623-1206"
  ],
  "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": "Trachselwald",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}