{
 "ocl_version": "0.1.0",
 "name": "Hoppenthalweg",
 "slug": "hoppenthalweg",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.877097578832945,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1729.0,
   "end_distance_m": 1731.0,
   "start_elevation_m": 627.8834848691924,
   "end_elevation_m": 628.4810268207691,
   "min_gradient_pct": -17.932337584278457
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.838317141217278,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1728.0,
   "end_distance_m": 1731.0,
   "start_elevation_m": 627.6758773065326,
   "end_elevation_m": 628.4810268207691,
   "min_gradient_pct": -9.055775146570491
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.964539321253596,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1726.0,
   "end_distance_m": 1731.0,
   "start_elevation_m": 627.3327998547064,
   "end_elevation_m": 628.4810268207691,
   "min_gradient_pct": -3.4659099809277905
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.237044884877378,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1602.0,
   "end_distance_m": 1612.0,
   "start_elevation_m": 608.9172023075482,
   "end_elevation_m": 610.940906796036,
   "min_gradient_pct": -3.1362817883837124
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 19.680264717230784,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1592.0,
   "end_distance_m": 1612.0,
   "start_elevation_m": 607.0048538525898,
   "end_elevation_m": 610.940906796036,
   "min_gradient_pct": -2.729722452195915
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 19.3639942489649,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1591.0,
   "end_distance_m": 1616.0,
   "start_elevation_m": 606.813071373902,
   "end_elevation_m": 611.6540699361432,
   "min_gradient_pct": -2.5529930823295217
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.42159879457631,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1583.0,
   "end_distance_m": 1633.0,
   "start_elevation_m": 605.4210136590373,
   "end_elevation_m": 614.6318130563254,
   "min_gradient_pct": -2.365578416310427
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.457223440695884,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1557.0,
   "end_distance_m": 1657.0,
   "start_elevation_m": 601.8325676010946,
   "end_elevation_m": 618.2897910417905,
   "min_gradient_pct": 0.8422383179547523
  }
 ],
 "shape": {
  "ascent_concentration": 0.309,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 990.0,
  "shape_class": "sustained"
 },
 "length_m": 4423.787804655504,
 "start_elevation_m": 458.3173315507761,
 "end_elevation_m": 929.2026468102838,
 "endpoint_gain_m": 470.8853152595077,
 "overall_gradient_pct": 10.644392001893888,
 "accumulated_ascent_m": 473.24087039948927,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.964539321253596,
   "start_distance_m": 1726.0,
   "end_distance_m": 1731.0,
   "midpoint_distance_m": 1728.5,
   "start_elevation_m": 627.3327998547064,
   "end_elevation_m": 628.4810268207691,
   "start_xy": [
    2623556.524115491,
    1239705.6670467698
   ],
   "end_xy": [
    2623551.906386914,
    1239703.7496050398
   ]
  },
  "max_10m": {
   "gradient_pct": 20.237044884877378,
   "start_distance_m": 1602.0,
   "end_distance_m": 1612.0,
   "midpoint_distance_m": 1607.0,
   "start_elevation_m": 608.9172023075482,
   "end_elevation_m": 610.940906796036,
   "start_xy": [
    2623666.4779321575,
    1239758.6833399844
   ],
   "end_xy": [
    2623656.965671943,
    1239755.5983917497
   ]
  },
  "max_20m": {
   "gradient_pct": 19.680264717230784,
   "start_distance_m": 1592.0,
   "end_distance_m": 1612.0,
   "midpoint_distance_m": 1602.0,
   "start_elevation_m": 607.0048538525898,
   "end_elevation_m": 610.940906796036,
   "start_xy": [
    2623675.9901923724,
    1239761.768288219
   ],
   "end_xy": [
    2623656.965671943,
    1239755.5983917497
   ]
  },
  "max_25m": {
   "gradient_pct": 19.3639942489649,
   "start_distance_m": 1591.0,
   "end_distance_m": 1616.0,
   "midpoint_distance_m": 1603.5,
   "start_elevation_m": 606.813071373902,
   "end_elevation_m": 611.6540699361432,
   "start_xy": [
    2623676.9414183935,
    1239762.0767830426
   ],
   "end_xy": [
    2623653.1607678575,
    1239754.3644124558
   ]
  },
  "max_50m": {
   "gradient_pct": 18.42159879457631,
   "start_distance_m": 1583.0,
   "end_distance_m": 1633.0,
   "midpoint_distance_m": 1608.0,
   "start_elevation_m": 605.4210136590373,
   "end_elevation_m": 614.6318130563254,
   "start_xy": [
    2623684.551226565,
    1239764.5447416303
   ],
   "end_xy": [
    2623636.9899254926,
    1239749.120000457
   ]
  },
  "max_100m": {
   "gradient_pct": 16.457223440695884,
   "start_distance_m": 1557.0,
   "end_distance_m": 1657.0,
   "midpoint_distance_m": 1607.0,
   "start_elevation_m": 601.8325676010946,
   "end_elevation_m": 618.2897910417905,
   "start_xy": [
    2623705.8622214743,
    1239778.190919988
   ],
   "end_xy": [
    2623614.1605009777,
    1239741.7161246934
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.4659099809277905,
   "start_distance_m": 4245.0,
   "end_distance_m": 4250.0,
   "midpoint_distance_m": 4247.5,
   "start_elevation_m": 912.195548963922,
   "end_elevation_m": 912.0222534648756,
   "start_xy": [
    2623045.473096887,
    1240644.5199933364
   ],
   "end_xy": [
    2623047.8970505726,
    1240648.8931442064
   ]
  },
  "min_10m": {
   "gradient_pct": -3.1362817883837124,
   "start_distance_m": 4239.0,
   "end_distance_m": 4249.0,
   "midpoint_distance_m": 4244.0,
   "start_elevation_m": 912.3514517928575,
   "end_elevation_m": 912.0378236140191,
   "start_xy": [
    2623042.564352465,
    1240639.2722122923
   ],
   "end_xy": [
    2623047.4122598353,
    1240648.0185140322
   ]
  },
  "min_20m": {
   "gradient_pct": -2.729722452195915,
   "start_distance_m": 4214.0,
   "end_distance_m": 4234.0,
   "midpoint_distance_m": 4224.0,
   "start_elevation_m": 912.9279790354143,
   "end_elevation_m": 912.3820345449751,
   "start_xy": [
    2623028.4151210296,
    1240618.7119358156
   ],
   "end_xy": [
    2623040.1403987794,
    1240634.8990614223
   ]
  },
  "min_25m": {
   "gradient_pct": -2.5529930823295217,
   "start_distance_m": 4225.0,
   "end_distance_m": 4250.0,
   "midpoint_distance_m": 4237.5,
   "start_elevation_m": 912.660501735458,
   "end_elevation_m": 912.0222534648756,
   "start_xy": [
    2623034.9588766345,
    1240627.553839603
   ],
   "end_xy": [
    2623047.8970505726,
    1240648.8931442064
   ]
  },
  "min_50m": {
   "gradient_pct": -2.365578416310427,
   "start_distance_m": 4214.0,
   "end_distance_m": 4264.0,
   "midpoint_distance_m": 4239.0,
   "start_elevation_m": 912.9279790354143,
   "end_elevation_m": 911.7451898272591,
   "start_xy": [
    2623028.4151210296,
    1240618.7119358156
   ],
   "end_xy": [
    2623054.684120891,
    1240661.1379666422
   ]
  },
  "min_100m": {
   "gradient_pct": 0.8422383179547523,
   "start_distance_m": 4177.0,
   "end_distance_m": 4277.0,
   "midpoint_distance_m": 4227.0,
   "start_elevation_m": 912.1672480643768,
   "end_elevation_m": 913.0094863823316,
   "start_xy": [
    2623008.2894093157,
    1240587.6987830077
   ],
   "end_xy": [
    2623055.45410721,
    1240674.0616324982
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.877097578832945,
   "start_distance_m": 1729.0,
   "end_distance_m": 1731.0,
   "midpoint_distance_m": 1730.0,
   "start_elevation_m": 627.8834848691924,
   "end_elevation_m": 628.4810268207691,
   "start_xy": [
    2623553.753478345,
    1239704.5165817318
   ],
   "end_xy": [
    2623551.906386914,
    1239703.7496050398
   ]
  },
  "max_3m": {
   "gradient_pct": 26.838317141217278,
   "start_distance_m": 1728.0,
   "end_distance_m": 1731.0,
   "midpoint_distance_m": 1729.5,
   "start_elevation_m": 627.6758773065326,
   "end_elevation_m": 628.4810268207691,
   "start_xy": [
    2623554.6770240604,
    1239704.9000700777
   ],
   "end_xy": [
    2623551.906386914,
    1239703.7496050398
   ]
  }
 },
 "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_2622-1239_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2622-1240_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2623-1239_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2623-1240_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2624-1239_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2624-1240_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:37:52+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": [
   "2622-1239",
   "2622-1240",
   "2623-1239",
   "2623-1240",
   "2624-1239",
   "2624-1240"
  ],
  "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": "Oberbuchsiten",
  "county": "Solothurn",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}