{
 "ocl_version": "0.1.0",
 "name": "Haldenstrasse",
 "slug": "haldenstrasse-3-3",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.0221981107793,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1444.0,
   "end_distance_m": 1446.0,
   "start_elevation_m": 649.0708181437572,
   "end_elevation_m": 649.4912621059727,
   "min_gradient_pct": -11.433682317976945
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.729801950885,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1451.0,
   "end_distance_m": 1454.0,
   "start_elevation_m": 650.4833660037827,
   "end_elevation_m": 651.1052600623093,
   "min_gradient_pct": -10.838234276081948
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.67254278395012,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1451.0,
   "end_distance_m": 1456.0,
   "start_elevation_m": 650.4833660037827,
   "end_elevation_m": 651.5169931429803,
   "min_gradient_pct": -10.354374727112372
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.368176552528894,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1447.0,
   "end_distance_m": 1457.0,
   "start_elevation_m": 649.6755543690151,
   "end_elevation_m": 651.712372024268,
   "min_gradient_pct": -9.878511752565373
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.21407535284709,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1447.0,
   "end_distance_m": 1467.0,
   "start_elevation_m": 649.6755543690151,
   "end_elevation_m": 653.7183694395845,
   "min_gradient_pct": -8.988471206581039
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.12919129608963,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1444.0,
   "end_distance_m": 1469.0,
   "start_elevation_m": 649.0708181437572,
   "end_elevation_m": 654.1031159677796,
   "min_gradient_pct": -8.353116814467285
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.68981197526341,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1420.0,
   "end_distance_m": 1470.0,
   "start_elevation_m": 644.4620710229698,
   "end_elevation_m": 654.3069770106015,
   "min_gradient_pct": -5.545673842655788
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.323990766994143,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1401.0,
   "end_distance_m": 1501.0,
   "start_elevation_m": 641.3919987684772,
   "end_elevation_m": 659.7159895354713,
   "min_gradient_pct": -3.627181766159879
  }
 ],
 "shape": {
  "ascent_concentration": 0.38,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 256.0,
  "shape_class": "sustained"
 },
 "length_m": 1992.6953757898937,
 "start_elevation_m": 535.0388614746124,
 "end_elevation_m": 693.1113795641986,
 "endpoint_gain_m": 158.0725180895862,
 "overall_gradient_pct": 7.9325982290156665,
 "accumulated_ascent_m": 164.5927502250512,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.67254278395012,
   "start_distance_m": 1451.0,
   "end_distance_m": 1456.0,
   "midpoint_distance_m": 1453.5,
   "start_elevation_m": 650.4833660037827,
   "end_elevation_m": 651.5169931429803,
   "start_xy": [
    2652312.030713766,
    1235800.0828553832
   ],
   "end_xy": [
    2652307.422682655,
    1235798.142224227
   ]
  },
  "max_10m": {
   "gradient_pct": 20.368176552528894,
   "start_distance_m": 1447.0,
   "end_distance_m": 1457.0,
   "midpoint_distance_m": 1452.0,
   "start_elevation_m": 649.6755543690151,
   "end_elevation_m": 651.712372024268,
   "start_xy": [
    2652315.717138654,
    1235801.6353603078
   ],
   "end_xy": [
    2652306.501076433,
    1235797.754097996
   ]
  },
  "max_20m": {
   "gradient_pct": 20.21407535284709,
   "start_distance_m": 1447.0,
   "end_distance_m": 1467.0,
   "midpoint_distance_m": 1457.0,
   "start_elevation_m": 649.6755543690151,
   "end_elevation_m": 653.7183694395845,
   "start_xy": [
    2652315.717138654,
    1235801.6353603078
   ],
   "end_xy": [
    2652297.2850142117,
    1235793.872835684
   ]
  },
  "max_25m": {
   "gradient_pct": 20.12919129608963,
   "start_distance_m": 1444.0,
   "end_distance_m": 1469.0,
   "midpoint_distance_m": 1456.5,
   "start_elevation_m": 649.0708181437572,
   "end_elevation_m": 654.1031159677796,
   "start_xy": [
    2652318.6049435106,
    1235802.408512768
   ],
   "end_xy": [
    2652295.4418017673,
    1235793.0965832218
   ]
  },
  "max_50m": {
   "gradient_pct": 19.68981197526341,
   "start_distance_m": 1420.0,
   "end_distance_m": 1470.0,
   "midpoint_distance_m": 1445.0,
   "start_elevation_m": 644.4620710229698,
   "end_elevation_m": 654.3069770106015,
   "start_xy": [
    2652342.303354769,
    1235805.6003642788
   ],
   "end_xy": [
    2652294.520195545,
    1235792.7084569905
   ]
  },
  "max_100m": {
   "gradient_pct": 18.323990766994143,
   "start_distance_m": 1401.0,
   "end_distance_m": 1501.0,
   "midpoint_distance_m": 1451.0,
   "start_elevation_m": 641.3919987684772,
   "end_elevation_m": 659.7159895354713,
   "start_xy": [
    2652361.289706638,
    1235806.158594994
   ],
   "end_xy": [
    2652267.147415513,
    1235778.1956146064
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -10.354374727112372,
   "start_distance_m": 19.0,
   "end_distance_m": 24.0,
   "midpoint_distance_m": 21.5,
   "start_elevation_m": 533.8334356945841,
   "end_elevation_m": 533.3157169582284,
   "start_xy": [
    2653481.6302726157,
    1235856.3937696416
   ],
   "end_xy": [
    2653476.7103774953,
    1235855.5023483026
   ]
  },
  "min_10m": {
   "gradient_pct": -9.878511752565373,
   "start_distance_m": 16.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 21.0,
   "start_elevation_m": 534.1203310365779,
   "end_elevation_m": 533.1324798613214,
   "start_xy": [
    2653484.6193471774,
    1235856.3252595158
   ],
   "end_xy": [
    2653474.742419447,
    1235855.145779767
   ]
  },
  "min_20m": {
   "gradient_pct": -8.988471206581039,
   "start_distance_m": 9.0,
   "end_distance_m": 29.0,
   "midpoint_distance_m": 19.0,
   "start_elevation_m": 534.6842636184966,
   "end_elevation_m": 532.8865693771804,
   "start_xy": [
    2653491.6082577873,
    1235855.9313959775
   ],
   "end_xy": [
    2653471.790482375,
    1235854.6109269636
   ]
  },
  "min_25m": {
   "gradient_pct": -8.353116814467285,
   "start_distance_m": 5.0,
   "end_distance_m": 30.0,
   "midpoint_distance_m": 17.5,
   "start_elevation_m": 534.9222642329662,
   "end_elevation_m": 532.8339850293494,
   "start_xy": [
    2653495.601920993,
    1235855.7063310987
   ],
   "end_xy": [
    2653470.806503351,
    1235854.432642696
   ]
  },
  "min_50m": {
   "gradient_pct": -5.545673842655788,
   "start_distance_m": 4.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 29.0,
   "start_elevation_m": 534.9630894016395,
   "end_elevation_m": 532.1902524803116,
   "start_xy": [
    2653496.6003367943,
    1235855.6500648789
   ],
   "end_xy": [
    2653447.8076092014,
    1235848.6483502237
   ]
  },
  "min_100m": {
   "gradient_pct": -3.627181766159879,
   "start_distance_m": 3.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 53.0,
   "start_elevation_m": 534.9872350995122,
   "end_elevation_m": 531.3600533333523,
   "start_xy": [
    2653497.598752596,
    1235855.5937986593
   ],
   "end_xy": [
    2653402.888637834,
    1235829.124693467
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.0221981107793,
   "start_distance_m": 1444.0,
   "end_distance_m": 1446.0,
   "midpoint_distance_m": 1445.0,
   "start_elevation_m": 649.0708181437572,
   "end_elevation_m": 649.4912621059727,
   "start_xy": [
    2652318.6049435106,
    1235802.408512768
   ],
   "end_xy": [
    2652316.649115824,
    1235801.9904959495
   ]
  },
  "max_3m": {
   "gradient_pct": 20.729801950885,
   "start_distance_m": 1451.0,
   "end_distance_m": 1454.0,
   "midpoint_distance_m": 1452.5,
   "start_elevation_m": 650.4833660037827,
   "end_elevation_m": 651.1052600623093,
   "start_xy": [
    2652312.030713766,
    1235800.0828553832
   ],
   "end_xy": [
    2652309.2658950994,
    1235798.9184766896
   ]
  }
 },
 "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": [
   "descends_at_start"
  ]
 },
 "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_2021_2651-1235_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2652-1235_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2652-1236_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2653-1235_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2653-1236_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T02:58:55+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": [
   "2651-1235",
   "2652-1235",
   "2652-1236",
   "2653-1235",
   "2653-1236"
  ],
  "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": "Gontenschwil",
  "county": "Aargau",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}