{
 "ocl_version": "0.1.0",
 "name": "Witerschwanderstrasse",
 "slug": "witerschwanderstrasse",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.493282898422876,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 510.0,
   "end_distance_m": 512.0,
   "start_elevation_m": 790.5307984824935,
   "end_elevation_m": 791.060664140462,
   "min_gradient_pct": -138.6468357915021,
   "suppressed_max_gradient_pct": 124.4063698721618,
   "suppressed_location_m": [
    14.0,
    16.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.210449692516097,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 510.0,
   "end_distance_m": 513.0,
   "start_elevation_m": 790.5307984824935,
   "end_elevation_m": 791.287111973269,
   "min_gradient_pct": -138.16874361082986,
   "suppressed_max_gradient_pct": 124.3810466211471,
   "suppressed_location_m": [
    13.0,
    16.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.94546731317405,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 508.0,
   "end_distance_m": 513.0,
   "start_elevation_m": 790.0898386076103,
   "end_elevation_m": 791.287111973269,
   "min_gradient_pct": -102.77374300176916,
   "suppressed_max_gradient_pct": 112.27475028714707,
   "suppressed_location_m": [
    12.0,
    17.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.634798804328966,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 508.0,
   "end_distance_m": 518.0,
   "start_elevation_m": 790.0898386076103,
   "end_elevation_m": 792.3533184880432,
   "min_gradient_pct": -45.921632450778134,
   "suppressed_max_gradient_pct": 70.705465848946,
   "suppressed_location_m": [
    7.0,
    17.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.57309800115911,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 502.0,
   "end_distance_m": 522.0,
   "start_elevation_m": 788.8672050998523,
   "end_elevation_m": 793.1818247000841,
   "min_gradient_pct": -5.019279699141634,
   "suppressed_max_gradient_pct": 37.12882309983115,
   "suppressed_location_m": [
    5.0,
    25.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.062614964396744,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 594.0,
   "end_distance_m": 619.0,
   "start_elevation_m": 805.849772107719,
   "end_elevation_m": 811.1154258488182,
   "min_gradient_pct": -4.854871368644581,
   "suppressed_max_gradient_pct": 30.333418176332543,
   "suppressed_location_m": [
    5.0,
    30.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.8935575869109,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 496.0,
   "end_distance_m": 546.0,
   "start_elevation_m": 787.7822318601254,
   "end_elevation_m": 797.7290106535809,
   "min_gradient_pct": -3.7910527135811662
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.627722658473886,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 509.0,
   "end_distance_m": 609.0,
   "start_elevation_m": 790.3144047657327,
   "end_elevation_m": 808.9421274242065,
   "min_gradient_pct": -0.6992119252596467
  }
 ],
 "shape": {
  "ascent_concentration": 0.424,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 151.0,
  "shape_class": "sustained"
 },
 "length_m": 666.6982134317353,
 "start_elevation_m": 754.8439305616304,
 "end_elevation_m": 817.1776295500762,
 "endpoint_gain_m": 62.3336989884458,
 "overall_gradient_pct": 9.349612423226972,
 "accumulated_ascent_m": 69.92295566247526,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.94546731317405,
   "start_distance_m": 508.0,
   "end_distance_m": 513.0,
   "midpoint_distance_m": 510.5,
   "start_elevation_m": 790.0898386076103,
   "end_elevation_m": 791.287111973269,
   "start_xy": [
    2697389.6034743027,
    1192456.7118507903
   ],
   "end_xy": [
    2697394.230176967,
    1192454.8161658214
   ]
  },
  "max_10m": {
   "gradient_pct": 22.634798804328966,
   "start_distance_m": 508.0,
   "end_distance_m": 518.0,
   "midpoint_distance_m": 513.0,
   "start_elevation_m": 790.0898386076103,
   "end_elevation_m": 792.3533184880432,
   "start_xy": [
    2697389.6034743027,
    1192456.7118507903
   ],
   "end_xy": [
    2697398.8568181572,
    1192452.9203305708
   ]
  },
  "max_20m": {
   "gradient_pct": 21.57309800115911,
   "start_distance_m": 502.0,
   "end_distance_m": 522.0,
   "midpoint_distance_m": 512.0,
   "start_elevation_m": 788.8672050998523,
   "end_elevation_m": 793.1818247000841,
   "start_xy": [
    2697383.7742366116,
    1192457.4390436474
   ],
   "end_xy": [
    2697402.5581311095,
    1192451.40366237
   ]
  },
  "max_25m": {
   "gradient_pct": 21.062614964396744,
   "start_distance_m": 594.0,
   "end_distance_m": 619.0,
   "midpoint_distance_m": 606.5,
   "start_elevation_m": 805.849772107719,
   "end_elevation_m": 811.1154258488182,
   "start_xy": [
    2697469.19627442,
    1192425.4167320894
   ],
   "end_xy": [
    2697493.8185666404,
    1192429.3028899776
   ]
  },
  "max_50m": {
   "gradient_pct": 19.8935575869109,
   "start_distance_m": 496.0,
   "end_distance_m": 546.0,
   "midpoint_distance_m": 521.0,
   "start_elevation_m": 787.7822318601254,
   "end_elevation_m": 797.7290106535809,
   "start_xy": [
    2697377.7779355403,
    1192457.2283935507
   ],
   "end_xy": [
    2697424.766008822,
    1192442.3036531664
   ]
  },
  "max_100m": {
   "gradient_pct": 18.627722658473886,
   "start_distance_m": 509.0,
   "end_distance_m": 609.0,
   "midpoint_distance_m": 559.0,
   "start_elevation_m": 790.3144047657327,
   "end_elevation_m": 808.9421274242065,
   "start_xy": [
    2697390.5288640154,
    1192456.3328340221
   ],
   "end_xy": [
    2697484.0925861713,
    1192427.177384295
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -102.77374300176916,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 754.8439305616304,
   "end_elevation_m": 749.7052434115419,
   "start_xy": [
    2696987.855,
    1192471.722
   ],
   "end_xy": [
    2696992.833363735,
    1192471.257411389
   ]
  },
  "min_10m": {
   "gradient_pct": -45.921632450778134,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 754.8439305616304,
   "end_elevation_m": 750.2517673165526,
   "start_xy": [
    2696987.855,
    1192471.722
   ],
   "end_xy": [
    2696997.8158816835,
    1192470.8396615933
   ]
  },
  "min_20m": {
   "gradient_pct": -5.019279699141634,
   "start_distance_m": 254.0,
   "end_distance_m": 274.0,
   "midpoint_distance_m": 264.0,
   "start_elevation_m": 771.7763140009199,
   "end_elevation_m": 770.7724580610916,
   "start_xy": [
    2697188.49313176,
    1192564.3795314669
   ],
   "end_xy": [
    2697206.1481352393,
    1192555.015856026
   ]
  },
  "min_25m": {
   "gradient_pct": -4.854871368644581,
   "start_distance_m": 252.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 264.5,
   "start_elevation_m": 771.8812128394821,
   "end_elevation_m": 770.667494997321,
   "start_xy": [
    2697186.6795653137,
    1192565.222725836
   ],
   "end_xy": [
    2697208.755557284,
    1192553.5321612197
   ]
  },
  "min_50m": {
   "gradient_pct": -3.7910527135811662,
   "start_distance_m": 244.0,
   "end_distance_m": 294.0,
   "midpoint_distance_m": 269.0,
   "start_elevation_m": 772.1018079617788,
   "end_elevation_m": 770.2062816049882,
   "start_xy": [
    2697179.0088653592,
    1192567.3739246367
   ],
   "end_xy": [
    2697223.540085942,
    1192545.1449672813
   ]
  },
  "min_100m": {
   "gradient_pct": -0.6992119252596467,
   "start_distance_m": 218.0,
   "end_distance_m": 318.0,
   "midpoint_distance_m": 268.0,
   "start_elevation_m": 771.3681693565444,
   "end_elevation_m": 770.6689574312848,
   "start_xy": [
    2697153.9945424274,
    1192562.1377305763
   ],
   "end_xy": [
    2697246.3282157583,
    1192537.6401057958
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.493282898422876,
   "start_distance_m": 510.0,
   "end_distance_m": 512.0,
   "midpoint_distance_m": 511.0,
   "start_elevation_m": 790.5307984824935,
   "end_elevation_m": 791.060664140462,
   "start_xy": [
    2697391.4541922533,
    1192455.953666972
   ],
   "end_xy": [
    2697393.304848729,
    1192455.1953328715
   ]
  },
  "max_3m": {
   "gradient_pct": 25.210449692516097,
   "start_distance_m": 510.0,
   "end_distance_m": 513.0,
   "midpoint_distance_m": 511.5,
   "start_elevation_m": 790.5307984824935,
   "end_elevation_m": 791.287111973269,
   "start_xy": [
    2697391.4541922533,
    1192455.953666972
   ],
   "end_xy": [
    2697394.230176967,
    1192454.8161658214
   ]
  }
 },
 "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": 0.033,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    21.0
   ]
  ],
  "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_2022_2696-1192_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2697-1192_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:15:12+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": [
   "2696-1192",
   "2697-1192"
  ],
  "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": "Spiringen",
  "county": "Uri",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}