{
 "ocl_version": "0.1.0",
 "name": "Firstweg",
 "slug": "firstweg-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.583070194851643,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 279.0,
   "end_distance_m": 281.0,
   "start_elevation_m": 540.8039654653019,
   "end_elevation_m": 541.3356268691989,
   "min_gradient_pct": -0.9665852587772861
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.394939998072157,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 278.0,
   "end_distance_m": 281.0,
   "start_elevation_m": 540.5737786692567,
   "end_elevation_m": 541.3356268691989,
   "min_gradient_pct": -0.3655713342178994
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.038430531766153,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 278.0,
   "end_distance_m": 283.0,
   "start_elevation_m": 540.5737786692567,
   "end_elevation_m": 541.775700195845,
   "min_gradient_pct": 0.18464635040345456
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.81279269110678,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 271.0,
   "end_distance_m": 281.0,
   "start_elevation_m": 538.9543476000882,
   "end_elevation_m": 541.3356268691989,
   "min_gradient_pct": 0.6698040247363224
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.8513467972914,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 268.0,
   "end_distance_m": 288.0,
   "start_elevation_m": 538.2963606235404,
   "end_elevation_m": 542.8666299829987,
   "min_gradient_pct": 1.6994457966933396
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.574034161822965,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 258.0,
   "end_distance_m": 283.0,
   "start_elevation_m": 536.1321916553893,
   "end_elevation_m": 541.775700195845,
   "min_gradient_pct": 2.0481604097103627
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.419428325429408,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 241.0,
   "end_distance_m": 291.0,
   "start_elevation_m": 532.6840762648209,
   "end_elevation_m": 543.3937904275356,
   "min_gradient_pct": 3.0787845766360533
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.41538433409812,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 196.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 526.679164442425,
   "end_elevation_m": 544.0945487765231,
   "min_gradient_pct": 3.5605886425635163
  }
 ],
 "shape": {
  "ascent_concentration": 0.373,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 215.0,
  "shape_class": "sustained"
 },
 "length_m": 654.7313554042977,
 "start_elevation_m": 516.16276524413,
 "end_elevation_m": 596.3249520921844,
 "endpoint_gain_m": 80.16218684805438,
 "overall_gradient_pct": 12.243523421687065,
 "accumulated_ascent_m": 80.20070023306164,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.038430531766153,
   "start_distance_m": 278.0,
   "end_distance_m": 283.0,
   "midpoint_distance_m": 280.5,
   "start_elevation_m": 540.5737786692567,
   "end_elevation_m": 541.775700195845,
   "start_xy": [
    2697826.1212896374,
    1227365.2655294456
   ],
   "end_xy": [
    2697831.121166065,
    1227365.3006821424
   ]
  },
  "max_10m": {
   "gradient_pct": 23.81279269110678,
   "start_distance_m": 271.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 276.0,
   "start_elevation_m": 538.9543476000882,
   "end_elevation_m": 541.3356268691989,
   "start_xy": [
    2697819.1214626394,
    1227365.2163156702
   ],
   "end_xy": [
    2697829.121215494,
    1227365.2866210637
   ]
  },
  "max_20m": {
   "gradient_pct": 22.8513467972914,
   "start_distance_m": 268.0,
   "end_distance_m": 288.0,
   "midpoint_distance_m": 278.0,
   "start_elevation_m": 538.2963606235404,
   "end_elevation_m": 542.8666299829987,
   "start_xy": [
    2697816.1460139165,
    1227365.4649337358
   ],
   "end_xy": [
    2697836.121042492,
    1227365.3358348391
   ]
  },
  "max_25m": {
   "gradient_pct": 22.574034161822965,
   "start_distance_m": 258.0,
   "end_distance_m": 283.0,
   "midpoint_distance_m": 270.5,
   "start_elevation_m": 536.1321916553893,
   "end_elevation_m": 541.775700195845,
   "start_xy": [
    2697807.056699885,
    1227369.265068583
   ],
   "end_xy": [
    2697831.121166065,
    1227365.3006821424
   ]
  },
  "max_50m": {
   "gradient_pct": 21.419428325429408,
   "start_distance_m": 241.0,
   "end_distance_m": 291.0,
   "midpoint_distance_m": 266.0,
   "start_elevation_m": 532.6840762648209,
   "end_elevation_m": 543.3937904275356,
   "start_xy": [
    2697793.4949449846,
    1227379.4983379727
   ],
   "end_xy": [
    2697839.0158458203,
    1227364.5928285425
   ]
  },
  "max_100m": {
   "gradient_pct": 17.41538433409812,
   "start_distance_m": 196.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 246.0,
   "start_elevation_m": 526.679164442425,
   "end_elevation_m": 544.0945487765231,
   "start_xy": [
    2697759.9812725675,
    1227407.953550194
   ],
   "end_xy": [
    2697843.8048806814,
    1227363.167253656
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.18464635040345456,
   "start_distance_m": 112.0,
   "end_distance_m": 117.0,
   "midpoint_distance_m": 114.5,
   "start_elevation_m": 520.5902424081673,
   "end_elevation_m": 520.5994747256875,
   "start_xy": [
    2697724.952922506,
    1227481.1887092353
   ],
   "end_xy": [
    2697725.725620645,
    1227476.2487762817
   ]
  },
  "min_10m": {
   "gradient_pct": 0.6698040247363224,
   "start_distance_m": 112.0,
   "end_distance_m": 122.0,
   "midpoint_distance_m": 117.0,
   "start_elevation_m": 520.5902424081673,
   "end_elevation_m": 520.657222810641,
   "start_xy": [
    2697724.952922506,
    1227481.1887092353
   ],
   "end_xy": [
    2697726.498318784,
    1227471.3088433282
   ]
  },
  "min_20m": {
   "gradient_pct": 1.6994457966933396,
   "start_distance_m": 109.0,
   "end_distance_m": 129.0,
   "midpoint_distance_m": 119.0,
   "start_elevation_m": 520.5157371030475,
   "end_elevation_m": 520.8556262623862,
   "start_xy": [
    2697721.9744630144,
    1227480.944599825
   ],
   "end_xy": [
    2697727.580096179,
    1227464.3929371932
   ]
  },
  "min_25m": {
   "gradient_pct": 2.0481604097103627,
   "start_distance_m": 109.0,
   "end_distance_m": 134.0,
   "midpoint_distance_m": 121.5,
   "start_elevation_m": 520.5157371030475,
   "end_elevation_m": 521.0277772054751,
   "start_xy": [
    2697721.9744630144,
    1227480.944599825
   ],
   "end_xy": [
    2697728.352794318,
    1227459.4530042396
   ]
  },
  "min_50m": {
   "gradient_pct": 3.0787845766360533,
   "start_distance_m": 85.0,
   "end_distance_m": 135.0,
   "midpoint_distance_m": 110.0,
   "start_elevation_m": 519.5278876856279,
   "end_elevation_m": 521.0672799739459,
   "start_xy": [
    2697698.0630126116,
    1227478.8848572134
   ],
   "end_xy": [
    2697728.5811597146,
    1227458.480638633
   ]
  },
  "min_100m": {
   "gradient_pct": 3.5605886425635163,
   "start_distance_m": 36.0,
   "end_distance_m": 136.0,
   "midpoint_distance_m": 86.0,
   "start_elevation_m": 517.5564634579293,
   "end_elevation_m": 521.1170521004929,
   "start_xy": [
    2697649.8189988057,
    1227481.4111661818
   ],
   "end_xy": [
    2697728.8400494293,
    1227457.5147317455
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.583070194851643,
   "start_distance_m": 279.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 280.0,
   "start_elevation_m": 540.8039654653019,
   "end_elevation_m": 541.3356268691989,
   "start_xy": [
    2697827.121264923,
    1227365.272559985
   ],
   "end_xy": [
    2697829.121215494,
    1227365.2866210637
   ]
  },
  "max_3m": {
   "gradient_pct": 25.394939998072157,
   "start_distance_m": 278.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 279.5,
   "start_elevation_m": 540.5737786692567,
   "end_elevation_m": 541.3356268691989,
   "start_xy": [
    2697826.1212896374,
    1227365.2655294456
   ],
   "end_xy": [
    2697829.121215494,
    1227365.2866210637
   ]
  }
 },
 "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": []
 },
 "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_2697-1227_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2698-1227_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:24:05+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": [
   "2697-1227",
   "2698-1227"
  ],
  "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": "Freienbach",
  "county": "Schwyz",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}