{
 "ocl_version": "0.1.0",
 "name": "Dorf",
 "slug": "dorf",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.61525835085854,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2001.0,
   "end_distance_m": 2003.0,
   "start_elevation_m": 754.2945513627346,
   "end_elevation_m": 754.8268565297518,
   "min_gradient_pct": -3.7055992001910454
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.923114879772886,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2001.0,
   "end_distance_m": 2004.0,
   "start_elevation_m": 754.2945513627346,
   "end_elevation_m": 755.0722448091278,
   "min_gradient_pct": -2.766344509306388
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.301605188895792,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1998.0,
   "end_distance_m": 2003.0,
   "start_elevation_m": 753.611776270307,
   "end_elevation_m": 754.8268565297518,
   "min_gradient_pct": -2.4617894851007804
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.131917886358906,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1996.0,
   "end_distance_m": 2006.0,
   "start_elevation_m": 753.1899790479322,
   "end_elevation_m": 755.5031708365681,
   "min_gradient_pct": -2.171393144578815
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.182735149949963,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1986.0,
   "end_distance_m": 2006.0,
   "start_elevation_m": 751.2666238065781,
   "end_elevation_m": 755.5031708365681,
   "min_gradient_pct": -1.964628631932328
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.323128131966314,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1982.0,
   "end_distance_m": 2007.0,
   "start_elevation_m": 750.591034317659,
   "end_elevation_m": 755.6718163506506,
   "min_gradient_pct": -1.8227429943995048
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.84088541955566,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1963.0,
   "end_distance_m": 2013.0,
   "start_elevation_m": 747.9328423638625,
   "end_elevation_m": 756.3532850736403,
   "min_gradient_pct": -1.2183968503227334
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.65333005294326,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1822.0,
   "end_distance_m": 1922.0,
   "start_elevation_m": 730.5854929927168,
   "end_elevation_m": 744.2388230456601,
   "min_gradient_pct": -0.11825858585700644
  }
 ],
 "shape": {
  "ascent_concentration": 0.389,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 252.0,
  "shape_class": "sustained"
 },
 "length_m": 2013.1081317795304,
 "start_elevation_m": 604.6892805605607,
 "end_elevation_m": 756.3685103918292,
 "endpoint_gain_m": 151.67922983126846,
 "overall_gradient_pct": 7.5345793619733845,
 "accumulated_ascent_m": 153.71441640350452,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.301605188895792,
   "start_distance_m": 1998.0,
   "end_distance_m": 2003.0,
   "midpoint_distance_m": 2000.5,
   "start_elevation_m": 753.611776270307,
   "end_elevation_m": 754.8268565297518,
   "start_xy": [
    2620369.4068064466,
    1217752.0774669182
   ],
   "end_xy": [
    2620372.210882201,
    1217747.9395440135
   ]
  },
  "max_10m": {
   "gradient_pct": 23.131917886358906,
   "start_distance_m": 1996.0,
   "end_distance_m": 2006.0,
   "midpoint_distance_m": 2001.0,
   "start_elevation_m": 753.1899790479322,
   "end_elevation_m": 755.5031708365681,
   "start_xy": [
    2620368.280207842,
    1217753.729972203
   ],
   "end_xy": [
    2620371.007602346,
    1217745.6326648935
   ]
  },
  "max_20m": {
   "gradient_pct": 21.182735149949963,
   "start_distance_m": 1986.0,
   "end_distance_m": 2006.0,
   "midpoint_distance_m": 1996.0,
   "start_elevation_m": 751.2666238065781,
   "end_elevation_m": 755.5031708365681,
   "start_xy": [
    2620360.955162874,
    1217760.4268087759
   ],
   "end_xy": [
    2620371.007602346,
    1217745.6326648935
   ]
  },
  "max_25m": {
   "gradient_pct": 20.323128131966314,
   "start_distance_m": 1982.0,
   "end_distance_m": 2007.0,
   "midpoint_distance_m": 1994.5,
   "start_elevation_m": 750.591034317659,
   "end_elevation_m": 755.6718163506506,
   "start_xy": [
    2620357.807254162,
    1217762.894737207
   ],
   "end_xy": [
    2620370.2415925544,
    1217744.9898360572
   ]
  },
  "max_50m": {
   "gradient_pct": 16.84088541955566,
   "start_distance_m": 1963.0,
   "end_distance_m": 2013.0,
   "midpoint_distance_m": 1988.0,
   "start_elevation_m": 747.9328423638625,
   "end_elevation_m": 756.3532850736403,
   "start_xy": [
    2620342.611869662,
    1217774.2531383864
   ],
   "end_xy": [
    2620365.6457599644,
    1217741.1325936064
   ]
  },
  "max_100m": {
   "gradient_pct": 13.65333005294326,
   "start_distance_m": 1822.0,
   "end_distance_m": 1922.0,
   "midpoint_distance_m": 1872.0,
   "start_elevation_m": 730.5854929927168,
   "end_elevation_m": 744.2388230456601,
   "start_xy": [
    2620254.500466531,
    1217874.055071648
   ],
   "end_xy": [
    2620306.518298122,
    1217793.701881262
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.4617894851007804,
   "start_distance_m": 581.0,
   "end_distance_m": 586.0,
   "midpoint_distance_m": 583.5,
   "start_elevation_m": 640.491984048672,
   "end_elevation_m": 640.3688945744169,
   "start_xy": [
    2620103.061914256,
    1218740.4808836658
   ],
   "end_xy": [
    2620107.7342541567,
    1218738.7558000367
   ]
  },
  "min_10m": {
   "gradient_pct": -2.171393144578815,
   "start_distance_m": 576.0,
   "end_distance_m": 586.0,
   "midpoint_distance_m": 581.0,
   "start_elevation_m": 640.5860338888748,
   "end_elevation_m": 640.3688945744169,
   "start_xy": [
    2620098.1971876887,
    1218741.6360561603
   ],
   "end_xy": [
    2620107.7342541567,
    1218738.7558000367
   ]
  },
  "min_20m": {
   "gradient_pct": -1.964628631932328,
   "start_distance_m": 577.0,
   "end_distance_m": 597.0,
   "midpoint_distance_m": 587.0,
   "start_elevation_m": 640.5759264657956,
   "end_elevation_m": 640.1830007394092,
   "start_xy": [
    2620099.170141571,
    1218741.405056744
   ],
   "end_xy": [
    2620117.748042667,
    1218734.2034361537
   ]
  },
  "min_25m": {
   "gradient_pct": -1.8227429943995048,
   "start_distance_m": 577.0,
   "end_distance_m": 602.0,
   "midpoint_distance_m": 589.5,
   "start_elevation_m": 640.5759264657956,
   "end_elevation_m": 640.1202407171958,
   "start_xy": [
    2620099.170141571,
    1218741.405056744
   ],
   "end_xy": [
    2620122.2999090366,
    1218732.1344968814
   ]
  },
  "min_50m": {
   "gradient_pct": -1.2183968503227334,
   "start_distance_m": 576.0,
   "end_distance_m": 626.0,
   "midpoint_distance_m": 601.0,
   "start_elevation_m": 640.5860338888748,
   "end_elevation_m": 639.9768354637134,
   "start_xy": [
    2620098.1971876887,
    1218741.6360561603
   ],
   "end_xy": [
    2620144.1245410526,
    1218722.1505713528
   ]
  },
  "min_100m": {
   "gradient_pct": -0.11825858585700644,
   "start_distance_m": 63.0,
   "end_distance_m": 163.0,
   "midpoint_distance_m": 113.0,
   "start_elevation_m": 605.8625851153754,
   "end_elevation_m": 605.7443265295184,
   "start_xy": [
    2619605.739745078,
    1218839.785761551
   ],
   "end_xy": [
    2619702.9618111243,
    1218824.3131250893
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.61525835085854,
   "start_distance_m": 2001.0,
   "end_distance_m": 2003.0,
   "midpoint_distance_m": 2002.0,
   "start_elevation_m": 754.2945513627346,
   "end_elevation_m": 754.8268565297518,
   "start_xy": [
    2620371.095978927,
    1217749.5982138657
   ],
   "end_xy": [
    2620372.210882201,
    1217747.9395440135
   ]
  },
  "max_3m": {
   "gradient_pct": 25.923114879772886,
   "start_distance_m": 2001.0,
   "end_distance_m": 2004.0,
   "midpoint_distance_m": 2002.5,
   "start_elevation_m": 754.2945513627346,
   "end_elevation_m": 755.0722448091278,
   "start_xy": [
    2620371.095978927,
    1217749.5982138657
   ],
   "end_xy": [
    2620372.419389279,
    1217747.035395282
   ]
  }
 },
 "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_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_2619-1217_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2619-1218_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2620-1217_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2620-1218_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T21:47:51+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10.osm.pbf",
  "osm_snapshot": "2026-09-09T20:21:20Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "2619-1217",
   "2619-1218",
   "2620-1217",
   "2620-1218"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Wynigen",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}