{
 "ocl_version": "0.1.0",
 "name": "Via Plan da Gisep",
 "slug": "via-plan-da-gisep",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 33.31842156495668,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 772.0,
   "end_distance_m": 774.0,
   "start_elevation_m": 1606.9247354987356,
   "end_elevation_m": 1607.5911039300347,
   "min_gradient_pct": -121.90518018259127,
   "suppressed_max_gradient_pct": 198.82108489466646,
   "suppressed_location_m": [
    40.0,
    42.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.19348997651347,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 771.0,
   "end_distance_m": 774.0,
   "start_elevation_m": 1606.6252992307393,
   "end_elevation_m": 1607.5911039300347,
   "min_gradient_pct": -93.86815465604741,
   "suppressed_max_gradient_pct": 165.6806463623525,
   "suppressed_location_m": [
    4.0,
    7.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 31.765551942539787,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 769.0,
   "end_distance_m": 774.0,
   "start_elevation_m": 1606.0028263329077,
   "end_elevation_m": 1607.5911039300347,
   "min_gradient_pct": -76.7835060930247,
   "suppressed_max_gradient_pct": 126.56810071004656,
   "suppressed_location_m": [
    2.0,
    7.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.889441505539253,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 635.0,
   "end_distance_m": 645.0,
   "start_elevation_m": 1573.9565517390247,
   "end_elevation_m": 1576.8454958895786,
   "min_gradient_pct": -35.06658598998001,
   "suppressed_max_gradient_pct": 65.21323596569573,
   "suppressed_location_m": [
    0.0,
    10.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 28.48763776476403,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 743.0,
   "end_distance_m": 763.0,
   "start_elevation_m": 1598.79368169001,
   "end_elevation_m": 1604.491209242963,
   "min_gradient_pct": -12.943916236085897,
   "suppressed_max_gradient_pct": 33.60313748272915,
   "suppressed_location_m": [
    2.0,
    22.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 28.5228050503174,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 749.0,
   "end_distance_m": 774.0,
   "start_elevation_m": 1600.4604026674554,
   "end_elevation_m": 1607.5911039300347,
   "min_gradient_pct": -8.751394346345478
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 26.96522154655804,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 726.0,
   "end_distance_m": 776.0,
   "start_elevation_m": 1594.5793799081393,
   "end_elevation_m": 1608.0619906814184,
   "min_gradient_pct": -7.82810015512905
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 24.46665635936779,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 676.0,
   "end_distance_m": 776.0,
   "start_elevation_m": 1583.5953343220506,
   "end_elevation_m": 1608.0619906814184,
   "min_gradient_pct": -7.408219140774236
  }
 ],
 "shape": {
  "ascent_concentration": 0.462,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 213.0,
  "shape_class": "stepped"
 },
 "length_m": 1038.0366995233696,
 "start_elevation_m": 1541.604718069301,
 "end_elevation_m": 1632.952058564449,
 "endpoint_gain_m": 91.34734049514805,
 "overall_gradient_pct": 8.800010687203216,
 "accumulated_ascent_m": 108.9918913723186,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 31.765551942539787,
   "start_distance_m": 769.0,
   "end_distance_m": 774.0,
   "midpoint_distance_m": 771.5,
   "start_elevation_m": 1606.0028263329077,
   "end_elevation_m": 1607.5911039300347,
   "start_xy": [
    2827555.157657427,
    1195499.3399217732
   ],
   "end_xy": [
    2827550.871250153,
    1195496.766178866
   ]
  },
  "max_10m": {
   "gradient_pct": 28.889441505539253,
   "start_distance_m": 635.0,
   "end_distance_m": 645.0,
   "midpoint_distance_m": 640.0,
   "start_elevation_m": 1573.9565517390247,
   "end_elevation_m": 1576.8454958895786,
   "start_xy": [
    2827676.9000895354,
    1195554.0006897014
   ],
   "end_xy": [
    2827668.3386234837,
    1195548.8522224885
   ]
  },
  "max_20m": {
   "gradient_pct": 28.48763776476403,
   "start_distance_m": 743.0,
   "end_distance_m": 763.0,
   "midpoint_distance_m": 753.0,
   "start_elevation_m": 1598.79368169001,
   "end_elevation_m": 1604.491209242963,
   "start_xy": [
    2827578.144856371,
    1195511.3179957196
   ],
   "end_xy": [
    2827560.273964697,
    1195502.474152128
   ]
  },
  "max_25m": {
   "gradient_pct": 28.5228050503174,
   "start_distance_m": 749.0,
   "end_distance_m": 774.0,
   "midpoint_distance_m": 761.5,
   "start_elevation_m": 1600.4604026674554,
   "end_elevation_m": 1607.5911039300347,
   "start_xy": [
    2827572.6007017526,
    1195509.0240145582
   ],
   "end_xy": [
    2827550.871250153,
    1195496.766178866
   ]
  },
  "max_50m": {
   "gradient_pct": 26.96522154655804,
   "start_distance_m": 726.0,
   "end_distance_m": 776.0,
   "midpoint_distance_m": 751.0,
   "start_elevation_m": 1594.5793799081393,
   "end_elevation_m": 1608.0619906814184,
   "start_xy": [
    2827593.4604251743,
    1195518.661502162
   ],
   "end_xy": [
    2827549.1448468,
    1195495.756460359
   ]
  },
  "max_100m": {
   "gradient_pct": 24.46665635936779,
   "start_distance_m": 676.0,
   "end_distance_m": 776.0,
   "midpoint_distance_m": 726.0,
   "start_elevation_m": 1583.5953343220506,
   "end_elevation_m": 1608.0619906814184,
   "start_xy": [
    2827639.5283559468,
    1195537.5289900205
   ],
   "end_xy": [
    2827549.1448468,
    1195495.756460359
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -76.7835060930247,
   "start_distance_m": 42.0,
   "end_distance_m": 47.0,
   "midpoint_distance_m": 44.5,
   "start_elevation_m": 1553.4140181706375,
   "end_elevation_m": 1549.5748428659863,
   "start_xy": [
    2827542.2278776285,
    1195952.8752534494
   ],
   "end_xy": [
    2827546.670034486,
    1195950.580206074
   ]
  },
  "min_10m": {
   "gradient_pct": -35.06658598998001,
   "start_distance_m": 42.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 47.0,
   "start_elevation_m": 1553.4140181706375,
   "end_elevation_m": 1549.9073595716395,
   "start_xy": [
    2827542.2278776285,
    1195952.8752534494
   ],
   "end_xy": [
    2827551.2819964094,
    1195948.776881722
   ]
  },
  "min_20m": {
   "gradient_pct": -12.943916236085897,
   "start_distance_m": 42.0,
   "end_distance_m": 62.0,
   "midpoint_distance_m": 52.0,
   "start_elevation_m": 1553.4140181706375,
   "end_elevation_m": 1550.8252349234203,
   "start_xy": [
    2827542.2278776285,
    1195952.8752534494
   ],
   "end_xy": [
    2827561.1055515693,
    1195946.9066507146
   ]
  },
  "min_25m": {
   "gradient_pct": -8.751394346345478,
   "start_distance_m": 42.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 54.5,
   "start_elevation_m": 1553.4140181706375,
   "end_elevation_m": 1551.2261695840511,
   "start_xy": [
    2827542.2278776285,
    1195952.8752534494
   ],
   "end_xy": [
    2827566.0173291494,
    1195945.9715352107
   ]
  },
  "min_50m": {
   "gradient_pct": -7.82810015512905,
   "start_distance_m": 108.0,
   "end_distance_m": 158.0,
   "midpoint_distance_m": 133.0,
   "start_elevation_m": 1552.1601828576927,
   "end_elevation_m": 1548.2461327801282,
   "start_xy": [
    2827596.491319325,
    1195921.5285032324
   ],
   "end_xy": [
    2827600.6179910395,
    1195872.7091428083
   ]
  },
  "min_100m": {
   "gradient_pct": -7.408219140774236,
   "start_distance_m": 106.0,
   "end_distance_m": 206.0,
   "midpoint_distance_m": 156.0,
   "start_elevation_m": 1552.2952558781583,
   "end_elevation_m": 1544.887036737384,
   "start_xy": [
    2827595.6787731485,
    1195923.3560066419
   ],
   "end_xy": [
    2827598.9902786743,
    1195825.2272432677
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 33.31842156495668,
   "start_distance_m": 772.0,
   "end_distance_m": 774.0,
   "midpoint_distance_m": 773.0,
   "start_elevation_m": 1606.9247354987356,
   "end_elevation_m": 1607.5911039300347,
   "start_xy": [
    2827552.597653506,
    1195497.7758973727
   ],
   "end_xy": [
    2827550.871250153,
    1195496.766178866
   ]
  },
  "max_3m": {
   "gradient_pct": 32.19348997651347,
   "start_distance_m": 771.0,
   "end_distance_m": 774.0,
   "midpoint_distance_m": 772.5,
   "start_elevation_m": 1606.6252992307393,
   "end_elevation_m": 1607.5911039300347,
   "start_xy": [
    2827553.45222167,
    1195498.2951783217
   ],
   "end_xy": [
    2827550.871250153,
    1195496.766178866
   ]
  }
 },
 "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": 0.025,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0
   ],
   "windows_unresolved": []
  },
  "placement_suppression": {
   "masked_fraction": 0.038,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    1.0,
    9.0
   ],
   [
    30.0,
    60.0
   ]
  ],
  "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_2023_2827-1195_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2827-1196_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:53:20+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": [
   "2827-1195",
   "2827-1196"
  ],
  "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": "Valsot",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}