{
 "ocl_version": "0.1.0",
 "name": "Spiegelbergweg",
 "slug": "spiegelbergweg",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.474911571223856,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 318.0,
   "end_distance_m": 320.0,
   "start_elevation_m": 647.8318081528257,
   "end_elevation_m": 648.3213063842502,
   "min_gradient_pct": -3.6611267042985673
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.983906503948067,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 325.0,
   "end_distance_m": 328.0,
   "start_elevation_m": 649.3879085438762,
   "end_elevation_m": 650.1074257389946,
   "min_gradient_pct": -3.5558537520804143
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.003067633658247,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 318.0,
   "end_distance_m": 323.0,
   "start_elevation_m": 647.8318081528257,
   "end_elevation_m": 648.9819615345086,
   "min_gradient_pct": -1.587341972797276
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.756175861688916,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 318.0,
   "end_distance_m": 328.0,
   "start_elevation_m": 647.8318081528257,
   "end_elevation_m": 650.1074257389946,
   "min_gradient_pct": 0.8490341508365873
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.890128839543195,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 309.0,
   "end_distance_m": 329.0,
   "start_elevation_m": 645.931207015728,
   "end_elevation_m": 650.3092327836366,
   "min_gradient_pct": 2.3644505815133243
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.597886645754443,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 306.0,
   "end_distance_m": 331.0,
   "start_elevation_m": 645.3214269497247,
   "end_elevation_m": 650.7208986111633,
   "min_gradient_pct": 2.8270919788988067
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.927957474424375,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 285.0,
   "end_distance_m": 335.0,
   "start_elevation_m": 641.5029178445174,
   "end_elevation_m": 651.4668965817295,
   "min_gradient_pct": 4.926731625085267
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.015002749374844,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 235.0,
   "end_distance_m": 335.0,
   "start_elevation_m": 632.4518938323547,
   "end_elevation_m": 651.4668965817295,
   "min_gradient_pct": 7.278655908083238
  }
 ],
 "shape": {
  "ascent_concentration": 0.347,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 232.0,
  "shape_class": "sustained"
 },
 "length_m": 335.411478168254,
 "start_elevation_m": 605.0633532915055,
 "end_elevation_m": 651.5205600248976,
 "endpoint_gain_m": 46.45720673339213,
 "overall_gradient_pct": 13.850810051911097,
 "accumulated_ascent_m": 46.565839544252526,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.003067633658247,
   "start_distance_m": 318.0,
   "end_distance_m": 323.0,
   "midpoint_distance_m": 320.5,
   "start_elevation_m": 647.8318081528257,
   "end_elevation_m": 648.9819615345086,
   "start_xy": [
    2762089.506988465,
    1197005.7505856631
   ],
   "end_xy": [
    2762091.501365814,
    1197010.3356111797
   ]
  },
  "max_10m": {
   "gradient_pct": 22.756175861688916,
   "start_distance_m": 318.0,
   "end_distance_m": 328.0,
   "midpoint_distance_m": 323.0,
   "start_elevation_m": 647.8318081528257,
   "end_elevation_m": 650.1074257389946,
   "start_xy": [
    2762089.506988465,
    1197005.7505856631
   ],
   "end_xy": [
    2762093.4957431634,
    1197014.9206366965
   ]
  },
  "max_20m": {
   "gradient_pct": 21.890128839543195,
   "start_distance_m": 309.0,
   "end_distance_m": 329.0,
   "midpoint_distance_m": 319.0,
   "start_elevation_m": 645.931207015728,
   "end_elevation_m": 650.3092327836366,
   "start_xy": [
    2762085.917109236,
    1196997.497539733
   ],
   "end_xy": [
    2762093.894618633,
    1197015.8376417998
   ]
  },
  "max_25m": {
   "gradient_pct": 21.597886645754443,
   "start_distance_m": 306.0,
   "end_distance_m": 331.0,
   "midpoint_distance_m": 318.5,
   "start_elevation_m": 645.3214269497247,
   "end_elevation_m": 650.7208986111633,
   "start_xy": [
    2762084.7204828262,
    1196994.746524423
   ],
   "end_xy": [
    2762094.692369573,
    1197017.6716520065
   ]
  },
  "max_50m": {
   "gradient_pct": 19.927957474424375,
   "start_distance_m": 285.0,
   "end_distance_m": 335.0,
   "midpoint_distance_m": 310.0,
   "start_elevation_m": 641.5029178445174,
   "end_elevation_m": 651.4668965817295,
   "start_xy": [
    2762076.3440979593,
    1196975.4894172528
   ],
   "end_xy": [
    2762096.2878714525,
    1197021.3396724197
   ]
  },
  "max_100m": {
   "gradient_pct": 19.015002749374844,
   "start_distance_m": 235.0,
   "end_distance_m": 335.0,
   "midpoint_distance_m": 285.0,
   "start_elevation_m": 632.4518938323547,
   "end_elevation_m": 651.4668965817295,
   "start_xy": [
    2762044.2351028095,
    1196973.306284825
   ],
   "end_xy": [
    2762096.2878714525,
    1197021.3396724197
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.587341972797276,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 605.0633532915055,
   "end_elevation_m": 604.9839861928656,
   "start_xy": [
    2761977.696,
    1196822.021
   ],
   "end_xy": [
    2761977.4069384043,
    1196827.012637346
   ]
  },
  "min_10m": {
   "gradient_pct": 0.8490341508365873,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 605.0633532915055,
   "end_elevation_m": 605.1482567065891,
   "start_xy": [
    2761977.696,
    1196822.021
   ],
   "end_xy": [
    2761977.1178768086,
    1196832.004274692
   ]
  },
  "min_20m": {
   "gradient_pct": 2.3644505815133243,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 605.0633532915055,
   "end_elevation_m": 605.5362434078081,
   "start_xy": [
    2761977.696,
    1196822.021
   ],
   "end_xy": [
    2761976.334137673,
    1196841.9725365255
   ]
  },
  "min_25m": {
   "gradient_pct": 2.8270919788988067,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 605.0633532915055,
   "end_elevation_m": 605.7701262862302,
   "start_xy": [
    2761977.696,
    1196822.021
   ],
   "end_xy": [
    2761975.6796097364,
    1196846.9140807223
   ]
  },
  "min_50m": {
   "gradient_pct": 4.926731625085267,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 605.0633532915055,
   "end_elevation_m": 607.5267191040481,
   "start_xy": [
    2761977.696,
    1196822.021
   ],
   "end_xy": [
    2761969.912595079,
    1196871.170431639
   ]
  },
  "min_100m": {
   "gradient_pct": 7.278655908083238,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 605.0633532915055,
   "end_elevation_m": 612.3420091995887,
   "start_xy": [
    2761977.696,
    1196822.021
   ],
   "end_xy": [
    2761974.9520573826,
    1196920.2438988853
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.474911571223856,
   "start_distance_m": 318.0,
   "end_distance_m": 320.0,
   "midpoint_distance_m": 319.0,
   "start_elevation_m": 647.8318081528257,
   "end_elevation_m": 648.3213063842502,
   "start_xy": [
    2762089.506988465,
    1197005.7505856631
   ],
   "end_xy": [
    2762090.3047394045,
    1197007.5845958698
   ]
  },
  "max_3m": {
   "gradient_pct": 23.983906503948067,
   "start_distance_m": 325.0,
   "end_distance_m": 328.0,
   "midpoint_distance_m": 326.5,
   "start_elevation_m": 649.3879085438762,
   "end_elevation_m": 650.1074257389946,
   "start_xy": [
    2762092.299116754,
    1197012.1696213863
   ],
   "end_xy": [
    2762093.4957431634,
    1197014.9206366965
   ]
  }
 },
 "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_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_2761-1196_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2761-1197_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2762-1196_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2762-1197_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:58:25+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": [
   "2761-1196",
   "2761-1197",
   "2762-1196",
   "2762-1197"
  ],
  "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": "Trimmis",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}