{
 "ocl_version": "0.1.0",
 "name": "Chemin des Cartiers",
 "slug": "chemin-des-cartiers",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.259495940081706,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1438.0,
   "end_distance_m": 1440.0,
   "start_elevation_m": 1575.0345450820473,
   "end_elevation_m": 1575.679735000849,
   "min_gradient_pct": -27.900446003184243,
   "suppressed_max_gradient_pct": 56.048551705873706,
   "suppressed_location_m": [
    1677.0,
    1679.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.05461382044602,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1438.0,
   "end_distance_m": 1441.0,
   "start_elevation_m": 1575.0345450820473,
   "end_elevation_m": 1575.7561834966607,
   "min_gradient_pct": -14.897035275316739,
   "suppressed_max_gradient_pct": 42.126103971653116,
   "suppressed_location_m": [
    1677.0,
    1680.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.318971857044744,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1561.0,
   "end_distance_m": 1566.0,
   "start_elevation_m": 1594.2871238184084,
   "end_elevation_m": 1595.3530724112607,
   "min_gradient_pct": -7.863447701702171,
   "suppressed_max_gradient_pct": 30.603195972194044,
   "suppressed_location_m": [
    1677.0,
    1682.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.004980825143775,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1559.0,
   "end_distance_m": 1569.0,
   "start_elevation_m": 1593.8936049603371,
   "end_elevation_m": 1595.9941030428515,
   "min_gradient_pct": -7.516736446561936,
   "suppressed_max_gradient_pct": 21.366268600704643,
   "suppressed_location_m": [
    1677.0,
    1687.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.381644088453186,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1551.0,
   "end_distance_m": 1571.0,
   "start_elevation_m": 1592.3060610508037,
   "end_elevation_m": 1596.3823898684943,
   "min_gradient_pct": -7.189264402968547
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.12931267415661,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1548.0,
   "end_distance_m": 1573.0,
   "start_elevation_m": 1591.725649800755,
   "end_elevation_m": 1596.7579779692942,
   "min_gradient_pct": -6.908373436685906
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.129542726970612,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1545.0,
   "end_distance_m": 1595.0,
   "start_elevation_m": 1591.1689399979743,
   "end_elevation_m": 1600.7337113614597,
   "min_gradient_pct": -5.15071932399087
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.919888226135072,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1536.0,
   "end_distance_m": 1636.0,
   "start_elevation_m": 1589.5351567863688,
   "end_elevation_m": 1608.455045012504,
   "min_gradient_pct": -3.456821860432001
  }
 ],
 "shape": {
  "ascent_concentration": 0.425,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 235.0,
  "shape_class": "sustained"
 },
 "length_m": 1759.3653608724526,
 "start_elevation_m": 1481.5625749511673,
 "end_elevation_m": 1625.677098701173,
 "endpoint_gain_m": 144.11452375000567,
 "overall_gradient_pct": 8.191278909716663,
 "accumulated_ascent_m": 150.94159335552035,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.318971857044744,
   "start_distance_m": 1561.0,
   "end_distance_m": 1566.0,
   "midpoint_distance_m": 1563.5,
   "start_elevation_m": 1594.2871238184084,
   "end_elevation_m": 1595.3530724112607,
   "start_xy": [
    2575232.958630716,
    1138055.208537265
   ],
   "end_xy": [
    2575235.223647591,
    1138050.75099326
   ]
  },
  "max_10m": {
   "gradient_pct": 21.004980825143775,
   "start_distance_m": 1559.0,
   "end_distance_m": 1569.0,
   "midpoint_distance_m": 1564.0,
   "start_elevation_m": 1593.8936049603371,
   "end_elevation_m": 1595.9941030428515,
   "start_xy": [
    2575232.0526239662,
    1138056.9915548668
   ],
   "end_xy": [
    2575236.5826577162,
    1138048.076466857
   ]
  },
  "max_20m": {
   "gradient_pct": 20.381644088453186,
   "start_distance_m": 1551.0,
   "end_distance_m": 1571.0,
   "midpoint_distance_m": 1561.0,
   "start_elevation_m": 1592.3060610508037,
   "end_elevation_m": 1596.3823898684943,
   "start_xy": [
    2575228.428596966,
    1138064.1236252747
   ],
   "end_xy": [
    2575237.488664466,
    1138046.293449255
   ]
  },
  "max_25m": {
   "gradient_pct": 20.12931267415661,
   "start_distance_m": 1548.0,
   "end_distance_m": 1573.0,
   "midpoint_distance_m": 1560.5,
   "start_elevation_m": 1591.725649800755,
   "end_elevation_m": 1596.7579779692942,
   "start_xy": [
    2575226.9909915854,
    1138066.7567107691
   ],
   "end_xy": [
    2575238.394671216,
    1138044.5104316531
   ]
  },
  "max_50m": {
   "gradient_pct": 19.129542726970612,
   "start_distance_m": 1545.0,
   "end_distance_m": 1595.0,
   "midpoint_distance_m": 1570.0,
   "start_elevation_m": 1591.1689399979743,
   "end_elevation_m": 1600.7337113614597,
   "start_xy": [
    2575225.551877445,
    1138069.38900074
   ],
   "end_xy": [
    2575248.4620874827,
    1138024.9495178417
   ]
  },
  "max_100m": {
   "gradient_pct": 18.919888226135072,
   "start_distance_m": 1536.0,
   "end_distance_m": 1636.0,
   "midpoint_distance_m": 1586.0,
   "start_elevation_m": 1589.5351567863688,
   "end_elevation_m": 1608.455045012504,
   "start_xy": [
    2575221.2345350236,
    1138077.2858706526
   ],
   "end_xy": [
    2575269.987393957,
    1137990.1407895354
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.863447701702171,
   "start_distance_m": 751.0,
   "end_distance_m": 756.0,
   "midpoint_distance_m": 753.5,
   "start_elevation_m": 1537.0158989190309,
   "end_elevation_m": 1536.6227265339458,
   "start_xy": [
    2574758.5788408304,
    1138603.0021653674
   ],
   "end_xy": [
    2574761.700715648,
    1138606.9077892127
   ]
  },
  "min_10m": {
   "gradient_pct": -7.516736446561936,
   "start_distance_m": 748.0,
   "end_distance_m": 758.0,
   "midpoint_distance_m": 753.0,
   "start_elevation_m": 1537.2385637338534,
   "end_elevation_m": 1536.4868900891972,
   "start_xy": [
    2574756.7057159394,
    1138600.6587910603
   ],
   "end_xy": [
    2574762.9494655756,
    1138608.4700387507
   ]
  },
  "min_20m": {
   "gradient_pct": -7.189264402968547,
   "start_distance_m": 747.0,
   "end_distance_m": 767.0,
   "midpoint_distance_m": 757.0,
   "start_elevation_m": 1537.3048578033633,
   "end_elevation_m": 1535.8670049227696,
   "start_xy": [
    2574756.0813409756,
    1138599.8776662913
   ],
   "end_xy": [
    2574768.568840248,
    1138615.500161672
   ]
  },
  "min_25m": {
   "gradient_pct": -6.908373436685906,
   "start_distance_m": 747.0,
   "end_distance_m": 772.0,
   "midpoint_distance_m": 759.5,
   "start_elevation_m": 1537.3048578033633,
   "end_elevation_m": 1535.5777644441919,
   "start_xy": [
    2574756.0813409756,
    1138599.8776662913
   ],
   "end_xy": [
    2574771.690715066,
    1138619.4057855173
   ]
  },
  "min_50m": {
   "gradient_pct": -5.15071932399087,
   "start_distance_m": 732.0,
   "end_distance_m": 782.0,
   "midpoint_distance_m": 757.0,
   "start_elevation_m": 1537.7864151529398,
   "end_elevation_m": 1535.2110554909443,
   "start_xy": [
    2574747.022898009,
    1138587.9259922456
   ],
   "end_xy": [
    2574777.934464702,
    1138627.2170332076
   ]
  },
  "min_100m": {
   "gradient_pct": -3.456821860432001,
   "start_distance_m": 684.0,
   "end_distance_m": 784.0,
   "midpoint_distance_m": 734.0,
   "start_elevation_m": 1538.6347564487785,
   "end_elevation_m": 1535.1779345883465,
   "start_xy": [
    2574718.7253176137,
    1138549.1542635793
   ],
   "end_xy": [
    2574779.1832146295,
    1138628.779282746
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.259495940081706,
   "start_distance_m": 1438.0,
   "end_distance_m": 1440.0,
   "midpoint_distance_m": 1439.0,
   "start_elevation_m": 1575.0345450820473,
   "end_elevation_m": 1575.679735000849,
   "start_xy": [
    2575149.948357455,
    1138138.7916929203
   ],
   "end_xy": [
    2575151.921089423,
    1138138.462561098
   ]
  },
  "max_3m": {
   "gradient_pct": 24.05461382044602,
   "start_distance_m": 1438.0,
   "end_distance_m": 1441.0,
   "midpoint_distance_m": 1439.5,
   "start_elevation_m": 1575.0345450820473,
   "end_elevation_m": 1575.7561834966607,
   "start_xy": [
    2575149.948357455,
    1138138.7916929203
   ],
   "end_xy": [
    2575152.9073645733,
    1138138.2974510496
   ]
  }
 },
 "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": 0.023,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    139.0,
    172.0
   ],
   [
    1674.0,
    1680.0
   ]
  ],
  "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_2021_2574-1137_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2574-1138_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2575-1137_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2575-1138_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T04:07:22+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": [
   "2574-1137",
   "2574-1138",
   "2575-1137",
   "2575-1138"
  ],
  "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": "Ormont-Dessous",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}