{
 "ocl_version": "0.1.0",
 "name": "Hardstrasse",
 "slug": "hardstrasse-3-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.01250800424691,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 352.0,
   "end_distance_m": 354.0,
   "start_elevation_m": 525.847990681513,
   "end_elevation_m": 526.528240841598,
   "min_gradient_pct": -77.6504154745794,
   "suppressed_max_gradient_pct": 87.74935916368918,
   "suppressed_location_m": [
    343.0,
    345.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.249617470152014,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 351.0,
   "end_distance_m": 354.0,
   "start_elevation_m": 525.7407523174934,
   "end_elevation_m": 526.528240841598,
   "min_gradient_pct": -48.09691262600305,
   "suppressed_max_gradient_pct": 60.658950058245864,
   "suppressed_location_m": [
    343.0,
    346.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.30971767062192,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 594.0,
   "end_distance_m": 599.0,
   "start_elevation_m": 553.5223061766052,
   "end_elevation_m": 554.5877920601363,
   "min_gradient_pct": -25.693080367645962,
   "suppressed_max_gradient_pct": 39.00891802578599,
   "suppressed_location_m": [
    343.0,
    348.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.926419588570297,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 592.0,
   "end_distance_m": 602.0,
   "start_elevation_m": 553.1107000781625,
   "end_elevation_m": 555.2033420370195,
   "min_gradient_pct": -14.715558675657121,
   "suppressed_max_gradient_pct": 26.25113380189873,
   "suppressed_location_m": [
    343.0,
    353.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.589227919101063,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 581.0,
   "end_distance_m": 601.0,
   "start_elevation_m": 550.8858652445722,
   "end_elevation_m": 555.0037108283924,
   "min_gradient_pct": -9.814178225668115
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.602395557646105,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 574.0,
   "end_distance_m": 599.0,
   "start_elevation_m": 549.4371931707248,
   "end_elevation_m": 554.5877920601363,
   "min_gradient_pct": -9.21466802460327
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.546310135413933,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 569.0,
   "end_distance_m": 619.0,
   "start_elevation_m": 548.6711824860113,
   "end_elevation_m": 558.4443375537182,
   "min_gradient_pct": -7.577312221385682
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.255516300494492,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 530.0,
   "end_distance_m": 630.0,
   "start_elevation_m": 545.4526114536023,
   "end_elevation_m": 559.7081277540968,
   "min_gradient_pct": -1.9569131613133095
  }
 ],
 "shape": {
  "ascent_concentration": 0.363,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 89.0,
  "shape_class": "sustained"
 },
 "length_m": 780.5685389797584,
 "start_elevation_m": 492.34470998516485,
 "end_elevation_m": 559.7825134272591,
 "endpoint_gain_m": 67.43780344209426,
 "overall_gradient_pct": 8.639574883486695,
 "accumulated_ascent_m": 74.6107845657699,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.30971767062192,
   "start_distance_m": 594.0,
   "end_distance_m": 599.0,
   "midpoint_distance_m": 596.5,
   "start_elevation_m": 553.5223061766052,
   "end_elevation_m": 554.5877920601363,
   "start_xy": [
    2757197.6162278303,
    1244523.0823095238
   ],
   "end_xy": [
    2757194.866309087,
    1244518.9064328861
   ]
  },
  "max_10m": {
   "gradient_pct": 20.926419588570297,
   "start_distance_m": 592.0,
   "end_distance_m": 602.0,
   "midpoint_distance_m": 597.0,
   "start_elevation_m": 553.1107000781625,
   "end_elevation_m": 555.2033420370195,
   "start_xy": [
    2757198.716379111,
    1244524.7525391963
   ],
   "end_xy": [
    2757193.216541624,
    1244516.4007859204
   ]
  },
  "max_20m": {
   "gradient_pct": 20.589227919101063,
   "start_distance_m": 581.0,
   "end_distance_m": 601.0,
   "midpoint_distance_m": 591.0,
   "start_elevation_m": 550.8858652445722,
   "end_elevation_m": 555.0037108283924,
   "start_xy": [
    2757204.76559463,
    1244533.9398663933
   ],
   "end_xy": [
    2757193.766617265,
    1244517.2359007567
   ]
  },
  "max_25m": {
   "gradient_pct": 20.602395557646105,
   "start_distance_m": 574.0,
   "end_distance_m": 599.0,
   "midpoint_distance_m": 586.5,
   "start_elevation_m": 549.4371931707248,
   "end_elevation_m": 554.5877920601363,
   "start_xy": [
    2757207.7064443454,
    1244540.2211455575
   ],
   "end_xy": [
    2757194.866309087,
    1244518.9064328861
   ]
  },
  "max_50m": {
   "gradient_pct": 19.546310135413933,
   "start_distance_m": 569.0,
   "end_distance_m": 619.0,
   "midpoint_distance_m": 594.0,
   "start_elevation_m": 548.6711824860113,
   "end_elevation_m": 558.4443375537182,
   "start_xy": [
    2757209.1812355,
    1244544.9986956178
   ],
   "end_xy": [
    2757186.1529793823,
    1244500.9491506293
   ]
  },
  "max_100m": {
   "gradient_pct": 14.255516300494492,
   "start_distance_m": 530.0,
   "end_distance_m": 630.0,
   "midpoint_distance_m": 580.0,
   "start_elevation_m": 545.4526114536023,
   "end_elevation_m": 559.7081277540968,
   "start_xy": [
    2757218.311186821,
    1244582.8561709495
   ],
   "end_xy": [
    2757187.1219134056,
    1244490.0437988534
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -25.693080367645962,
   "start_distance_m": 338.0,
   "end_distance_m": 343.0,
   "midpoint_distance_m": 340.5,
   "start_elevation_m": 524.7900706697365,
   "end_elevation_m": 523.5054166513542,
   "start_xy": [
    2757260.986078844,
    1244715.7468626082
   ],
   "end_xy": [
    2757261.2560814815,
    1244710.848621915
   ]
  },
  "min_10m": {
   "gradient_pct": -14.715558675657121,
   "start_distance_m": 721.0,
   "end_distance_m": 731.0,
   "midpoint_distance_m": 726.0,
   "start_elevation_m": 562.6308955403739,
   "end_elevation_m": 561.1593396728082,
   "start_xy": [
    2757205.9668959803,
    1244401.233809968
   ],
   "end_xy": [
    2757207.737858047,
    1244391.4775411913
   ]
  },
  "min_20m": {
   "gradient_pct": -9.814178225668115,
   "start_distance_m": 720.0,
   "end_distance_m": 740.0,
   "midpoint_distance_m": 730.0,
   "start_elevation_m": 562.7549247959789,
   "end_elevation_m": 560.7920891508453,
   "start_xy": [
    2757205.68083304,
    1244402.1920207976
   ],
   "end_xy": [
    2757207.8368630568,
    1244382.478085763
   ]
  },
  "min_25m": {
   "gradient_pct": -9.21466802460327,
   "start_distance_m": 720.0,
   "end_distance_m": 745.0,
   "midpoint_distance_m": 732.5,
   "start_elevation_m": 562.7549247959789,
   "end_elevation_m": 560.4512577898281,
   "start_xy": [
    2757205.68083304,
    1244402.1920207976
   ],
   "end_xy": [
    2757207.8918597293,
    1244377.4783882354
   ]
  },
  "min_50m": {
   "gradient_pct": -7.577312221385682,
   "start_distance_m": 718.0,
   "end_distance_m": 768.0,
   "midpoint_distance_m": 743.0,
   "start_elevation_m": 562.8355642928317,
   "end_elevation_m": 559.0469081821388,
   "start_xy": [
    2757205.1089812783,
    1244404.1085242496
   ],
   "end_xy": [
    2757208.144866422,
    1244354.4797798514
   ]
  },
  "min_100m": {
   "gradient_pct": -1.9569131613133095,
   "start_distance_m": 672.0,
   "end_distance_m": 772.0,
   "midpoint_distance_m": 722.0,
   "start_elevation_m": 560.8501523127048,
   "end_elevation_m": 558.8932391513915,
   "start_xy": [
    2757193.5103589324,
    1244448.5882420894
   ],
   "end_xy": [
    2757208.18886376,
    1244350.4800218295
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.01250800424691,
   "start_distance_m": 352.0,
   "end_distance_m": 354.0,
   "midpoint_distance_m": 353.0,
   "start_elevation_m": 525.847990681513,
   "end_elevation_m": 526.528240841598,
   "start_xy": [
    2757263.422590865,
    1244702.1132785878
   ],
   "end_xy": [
    2757263.9587739254,
    1244700.1895902613
   ]
  },
  "max_3m": {
   "gradient_pct": 26.249617470152014,
   "start_distance_m": 351.0,
   "end_distance_m": 354.0,
   "midpoint_distance_m": 352.5,
   "start_elevation_m": 525.7407523174934,
   "end_elevation_m": 526.528240841598,
   "start_xy": [
    2757263.1820105375,
    1244703.083907752
   ],
   "end_xy": [
    2757263.9587739254,
    1244700.1895902613
   ]
  }
 },
 "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,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    339.0,
    347.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "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_2020_2757-1244_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2757-1245_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T06:46:53+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": [
   "2757-1244",
   "2757-1245"
  ],
  "route_base_cut_m": 90.1,
  "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": "Oberriet",
  "county": "St. Gallen",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}