{
 "ocl_version": "0.1.0",
 "name": "Breitacherstrasse",
 "slug": "breitacherstrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.578782410213762,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 206.0,
   "end_distance_m": 208.0,
   "start_elevation_m": 572.3810000644437,
   "end_elevation_m": 572.872575712648,
   "min_gradient_pct": -0.2695889309393351
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.369168245607398,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 206.0,
   "end_distance_m": 209.0,
   "start_elevation_m": 572.3810000644437,
   "end_elevation_m": 573.1120751118119,
   "min_gradient_pct": -0.051811713179480044
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.64951849413501,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 204.0,
   "end_distance_m": 209.0,
   "start_elevation_m": 571.9295991871052,
   "end_elevation_m": 573.1120751118119,
   "min_gradient_pct": 0.024380732963891205
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.763033945489042,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 200.0,
   "end_distance_m": 210.0,
   "start_elevation_m": 571.0525588603562,
   "end_elevation_m": 573.3288622549051,
   "min_gradient_pct": 0.18734171558321577
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.192869934109467,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 195.0,
   "end_distance_m": 215.0,
   "start_elevation_m": 569.9485164987167,
   "end_elevation_m": 574.3870904855386,
   "min_gradient_pct": 1.0007208174204152
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.855762635893825,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 191.0,
   "end_distance_m": 216.0,
   "start_elevation_m": 569.1421680914517,
   "end_elevation_m": 574.6061087504252,
   "min_gradient_pct": 2.1313403236554223
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.325455194376445,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 175.0,
   "end_distance_m": 225.0,
   "start_elevation_m": 566.2011407249189,
   "end_elevation_m": 576.3638683221071,
   "min_gradient_pct": 7.182071860306678
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.40035634375181,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 153.0,
   "end_distance_m": 253.0,
   "start_elevation_m": 562.3337645817693,
   "end_elevation_m": 580.7341209255211,
   "min_gradient_pct": 10.827293092959735
  }
 ],
 "shape": {
  "ascent_concentration": 0.353,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 242.0,
  "shape_class": "sustained"
 },
 "length_m": 331.53438345761157,
 "start_elevation_m": 543.0095976419229,
 "end_elevation_m": 588.2541632236373,
 "endpoint_gain_m": 45.24456558171437,
 "overall_gradient_pct": 13.64702059251092,
 "accumulated_ascent_m": 45.25708702046097,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.64951849413501,
   "start_distance_m": 204.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 206.5,
   "start_elevation_m": 571.9295991871052,
   "end_elevation_m": 573.1120751118119,
   "start_xy": [
    2654703.4192553465,
    1241732.5357694302
   ],
   "end_xy": [
    2654704.7262183214,
    1241727.7096072584
   ]
  },
  "max_10m": {
   "gradient_pct": 22.763033945489042,
   "start_distance_m": 200.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 205.0,
   "start_elevation_m": 571.0525588603562,
   "end_elevation_m": 573.3288622549051,
   "start_xy": [
    2654702.373880622,
    1241736.3967521805
   ],
   "end_xy": [
    2654704.9877805184,
    1241726.744420689
   ]
  },
  "max_20m": {
   "gradient_pct": 22.192869934109467,
   "start_distance_m": 195.0,
   "end_distance_m": 215.0,
   "midpoint_distance_m": 205.0,
   "start_elevation_m": 569.9485164987167,
   "end_elevation_m": 574.3870904855386,
   "start_xy": [
    2654701.0669174315,
    1241741.222914477
   ],
   "end_xy": [
    2654706.29481885,
    1241721.9182789663
   ]
  },
  "max_25m": {
   "gradient_pct": 21.855762635893825,
   "start_distance_m": 191.0,
   "end_distance_m": 216.0,
   "midpoint_distance_m": 203.5,
   "start_elevation_m": 569.1421680914517,
   "end_elevation_m": 574.6061087504252,
   "start_xy": [
    2654700.0212427326,
    1241745.0838158897
   ],
   "end_xy": [
    2654706.5561822667,
    1241720.9530385977
   ]
  },
  "max_50m": {
   "gradient_pct": 20.325455194376445,
   "start_distance_m": 175.0,
   "end_distance_m": 225.0,
   "midpoint_distance_m": 200.0,
   "start_elevation_m": 566.2011407249189,
   "end_elevation_m": 576.3638683221071,
   "start_xy": [
    2654695.8371786308,
    1241760.5270519906
   ],
   "end_xy": [
    2654708.9091736414,
    1241712.2660703666
   ]
  },
  "max_100m": {
   "gradient_pct": 18.40035634375181,
   "start_distance_m": 153.0,
   "end_distance_m": 253.0,
   "midpoint_distance_m": 203.0,
   "start_elevation_m": 562.3337645817693,
   "end_elevation_m": 580.7341209255211,
   "start_xy": [
    2654688.3776181,
    1241780.9719993614
   ],
   "end_xy": [
    2654716.2295337347,
    1241685.2399323543
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.024380732963891205,
   "start_distance_m": 3.0,
   "end_distance_m": 8.0,
   "midpoint_distance_m": 5.5,
   "start_elevation_m": 543.0172296662505,
   "end_elevation_m": 543.0184487028987,
   "start_xy": [
    2654646.997905414,
    1241912.0726436763
   ],
   "end_xy": [
    2654642.6144420425,
    1241909.6673895353
   ]
  },
  "min_10m": {
   "gradient_pct": 0.18734171558321577,
   "start_distance_m": 1.0,
   "end_distance_m": 11.0,
   "midpoint_distance_m": 6.0,
   "start_elevation_m": 543.0115593411741,
   "end_elevation_m": 543.0302935127324,
   "start_xy": [
    2654648.7512951214,
    1241913.0347373898
   ],
   "end_xy": [
    2654639.984739717,
    1241908.223552798
   ]
  },
  "min_20m": {
   "gradient_pct": 1.0007208174204152,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 543.0095976419229,
   "end_elevation_m": 543.209741805407,
   "start_xy": [
    2654649.627700264,
    1241913.5163118897
   ],
   "end_xy": [
    2654636.3217758145,
    1241902.5477423058
   ]
  },
  "min_25m": {
   "gradient_pct": 2.1313403236554223,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 543.0095976419229,
   "end_elevation_m": 543.5424327228368,
   "start_xy": [
    2654649.627700264,
    1241913.5163118897
   ],
   "end_xy": [
    2654638.5937710865,
    1241898.093751565
   ]
  },
  "min_50m": {
   "gradient_pct": 7.182071860306678,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 543.0095976419229,
   "end_elevation_m": 546.6006335720763,
   "start_xy": [
    2654649.627700264,
    1241913.5163118897
   ],
   "end_xy": [
    2654649.953859809,
    1241875.823856638
   ]
  },
  "min_100m": {
   "gradient_pct": 10.827293092959735,
   "start_distance_m": 231.0,
   "end_distance_m": 331.0,
   "midpoint_distance_m": 281.0,
   "start_elevation_m": 577.4100932505545,
   "end_elevation_m": 588.2373863435142,
   "start_xy": [
    2654710.4779511425,
    1241706.4747898371
   ],
   "end_xy": [
    2654694.8642534744,
    1241623.0600137115
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.578782410213762,
   "start_distance_m": 206.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 207.0,
   "start_elevation_m": 572.3810000644437,
   "end_elevation_m": 572.872575712648,
   "start_xy": [
    2654703.9421052644,
    1241730.6053222127
   ],
   "end_xy": [
    2654704.4649300007,
    1241728.6748680056
   ]
  },
  "max_3m": {
   "gradient_pct": 24.369168245607398,
   "start_distance_m": 206.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 207.5,
   "start_elevation_m": 572.3810000644437,
   "end_elevation_m": 573.1120751118119,
   "start_xy": [
    2654703.9421052644,
    1241730.6053222127
   ],
   "end_xy": [
    2654704.7262183214,
    1241727.7096072584
   ]
  }
 },
 "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_2021_2654-1241_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2654-1242_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T06:43:44+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-extent-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": [
   "2654-1241",
   "2654-1242"
  ],
  "route_base_cut_m": 251.2,
  "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": "D\u00fcrren\u00e4sch",
  "county": "Aargau",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}