{
 "ocl_version": "0.1.0",
 "name": "Chemin de la C\u00e9ramone",
 "slug": "chemin-de-la-ceramone-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.41154121086879,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 532.0,
   "end_distance_m": 534.0,
   "start_elevation_m": 891.0877793802608,
   "end_elevation_m": 891.5360102044782,
   "min_gradient_pct": -3.919313867470464
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.087613070921936,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 531.0,
   "end_distance_m": 534.0,
   "start_elevation_m": 890.8733818123505,
   "end_elevation_m": 891.5360102044782,
   "min_gradient_pct": -3.8446737884858826
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.593390715299847,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 529.0,
   "end_distance_m": 534.0,
   "start_elevation_m": 890.4563406687132,
   "end_elevation_m": 891.5360102044782,
   "min_gradient_pct": -3.2294084965406
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.99027661118953,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 538.0,
   "end_distance_m": 548.0,
   "start_elevation_m": 892.3224813603438,
   "end_elevation_m": 894.4215090214627,
   "min_gradient_pct": -2.4994910838472606
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.737973050026994,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 529.0,
   "end_distance_m": 549.0,
   "start_elevation_m": 890.4563406687132,
   "end_elevation_m": 894.6039352787186,
   "min_gradient_pct": -1.3134916811537778
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.401289421618458,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 523.0,
   "end_distance_m": 548.0,
   "start_elevation_m": 889.3211866660581,
   "end_elevation_m": 894.4215090214627,
   "min_gradient_pct": -0.7702353620306894
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.914940356956095,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 511.0,
   "end_distance_m": 561.0,
   "start_elevation_m": 887.2739872966371,
   "end_elevation_m": 896.7314574751151,
   "min_gradient_pct": 1.5035037260427089
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.52085442627697,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 504.0,
   "end_distance_m": 604.0,
   "start_elevation_m": 886.185001050933,
   "end_elevation_m": 903.70585547721,
   "min_gradient_pct": 2.60500575161052
  }
 ],
 "shape": {
  "ascent_concentration": 0.386,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 311.0,
  "shape_class": "sustained"
 },
 "length_m": 748.4595285067516,
 "start_elevation_m": 845.597531241237,
 "end_elevation_m": 921.8414377348491,
 "endpoint_gain_m": 76.24390649361214,
 "overall_gradient_pct": 10.186777452847188,
 "accumulated_ascent_m": 76.58875584203338,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.593390715299847,
   "start_distance_m": 529.0,
   "end_distance_m": 534.0,
   "midpoint_distance_m": 531.5,
   "start_elevation_m": 890.4563406687132,
   "end_elevation_m": 891.5360102044782,
   "start_xy": [
    2556214.1921790373,
    1149950.145136999
   ],
   "end_xy": [
    2556216.214841301,
    1149954.717755217
   ]
  },
  "max_10m": {
   "gradient_pct": 20.99027661118953,
   "start_distance_m": 538.0,
   "end_distance_m": 548.0,
   "midpoint_distance_m": 543.0,
   "start_elevation_m": 892.3224813603438,
   "end_elevation_m": 894.4215090214627,
   "start_xy": [
    2556217.6258923304,
    1149958.459908757
   ],
   "end_xy": [
    2556221.099396112,
    1149967.8372629404
   ]
  },
  "max_20m": {
   "gradient_pct": 20.737973050026994,
   "start_distance_m": 529.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 539.0,
   "start_elevation_m": 890.4563406687132,
   "end_elevation_m": 894.6039352787186,
   "start_xy": [
    2556214.1921790373,
    1149950.145136999
   ],
   "end_xy": [
    2556221.44674649,
    1149968.7749983587
   ]
  },
  "max_25m": {
   "gradient_pct": 20.401289421618458,
   "start_distance_m": 523.0,
   "end_distance_m": 548.0,
   "midpoint_distance_m": 535.5,
   "start_elevation_m": 889.3211866660581,
   "end_elevation_m": 894.4215090214627,
   "start_xy": [
    2556211.7649843213,
    1149944.6579951374
   ],
   "end_xy": [
    2556221.099396112,
    1149967.8372629404
   ]
  },
  "max_50m": {
   "gradient_pct": 18.914940356956095,
   "start_distance_m": 511.0,
   "end_distance_m": 561.0,
   "midpoint_distance_m": 536.0,
   "start_elevation_m": 887.2739872966371,
   "end_elevation_m": 896.7314574751151,
   "start_xy": [
    2556208.561175037,
    1149933.095894325
   ],
   "end_xy": [
    2556227.266091944,
    1149979.2259688966
   ]
  },
  "max_100m": {
   "gradient_pct": 17.52085442627697,
   "start_distance_m": 504.0,
   "end_distance_m": 604.0,
   "midpoint_distance_m": 554.0,
   "start_elevation_m": 886.185001050933,
   "end_elevation_m": 903.70585547721,
   "start_xy": [
    2556206.5359955006,
    1149926.3952489947
   ],
   "end_xy": [
    2556245.1181800496,
    1150018.1173560058
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.2294084965406,
   "start_distance_m": 91.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 93.5,
   "start_elevation_m": 850.6475242405962,
   "end_elevation_m": 850.4860538157692,
   "start_xy": [
    2556173.8431538874,
    1149650.071600701
   ],
   "end_xy": [
    2556170.541821311,
    1149646.3269873683
   ]
  },
  "min_10m": {
   "gradient_pct": -2.4994910838472606,
   "start_distance_m": 92.0,
   "end_distance_m": 102.0,
   "midpoint_distance_m": 97.0,
   "start_elevation_m": 850.6295707160366,
   "end_elevation_m": 850.3796216076519,
   "start_xy": [
    2556173.2083172286,
    1149649.2989543288
   ],
   "end_xy": [
    2556166.1812091805,
    1149642.2056936582
   ]
  },
  "min_20m": {
   "gradient_pct": -1.3134916811537778,
   "start_distance_m": 89.0,
   "end_distance_m": 109.0,
   "midpoint_distance_m": 99.0,
   "start_elevation_m": 850.6542497438269,
   "end_elevation_m": 850.3915514075961,
   "start_xy": [
    2556175.1128272046,
    1149651.6168934458
   ],
   "end_xy": [
    2556160.4874808006,
    1149638.164923443
   ]
  },
  "min_25m": {
   "gradient_pct": -0.7702353620306894,
   "start_distance_m": 88.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 100.5,
   "start_elevation_m": 850.6456541276883,
   "end_elevation_m": 850.4530952871806,
   "start_xy": [
    2556175.7476638635,
    1149652.389539818
   ],
   "end_xy": [
    2556157.1174075655,
    1149636.0117449553
   ]
  },
  "min_50m": {
   "gradient_pct": 1.5035037260427089,
   "start_distance_m": 73.0,
   "end_distance_m": 123.0,
   "midpoint_distance_m": 98.0,
   "start_elevation_m": 850.015085877403,
   "end_elevation_m": 850.7668377404243,
   "start_xy": [
    2556183.72186616,
    1149665.0811013677
   ],
   "end_xy": [
    2556148.509898443,
    1149630.9214810424
   ]
  },
  "min_100m": {
   "gradient_pct": 2.60500575161052,
   "start_distance_m": 22.0,
   "end_distance_m": 122.0,
   "midpoint_distance_m": 72.0,
   "start_elevation_m": 848.1225157540238,
   "end_elevation_m": 850.7275215056343,
   "start_xy": [
    2556212.7858315054,
    1149705.9254719221
   ],
   "end_xy": [
    2556149.3706493555,
    1149631.4305074338
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.41154121086879,
   "start_distance_m": 532.0,
   "end_distance_m": 534.0,
   "midpoint_distance_m": 533.0,
   "start_elevation_m": 891.0877793802608,
   "end_elevation_m": 891.5360102044782,
   "start_xy": [
    2556215.4057763955,
    1149952.8887079298
   ],
   "end_xy": [
    2556216.214841301,
    1149954.717755217
   ]
  },
  "max_3m": {
   "gradient_pct": 22.087613070921936,
   "start_distance_m": 531.0,
   "end_distance_m": 534.0,
   "midpoint_distance_m": 532.5,
   "start_elevation_m": 890.8733818123505,
   "end_elevation_m": 891.5360102044782,
   "start_xy": [
    2556215.001243943,
    1149951.9741842863
   ],
   "end_xy": [
    2556216.214841301,
    1149954.717755217
   ]
  }
 },
 "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_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_2556-1149_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2556-1150_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:42:50+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-run6-260910",
  "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": [
   "2556-1149",
   "2556-1150"
  ],
  "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": "Corsier-sur-Vevey",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}