{
 "ocl_version": "0.1.0",
 "name": "Hinterbachstrasse",
 "slug": "hinterbachstrasse",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.94868463842806,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 325.0,
   "end_distance_m": 327.0,
   "start_elevation_m": 498.11294361071936,
   "end_elevation_m": 498.8119173034879,
   "min_gradient_pct": -67.58000159098572,
   "suppressed_max_gradient_pct": 94.68695253602846,
   "suppressed_location_m": [
    3.0,
    5.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.849893317622524,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 324.0,
   "end_distance_m": 327.0,
   "start_elevation_m": 497.82642050395924,
   "end_elevation_m": 498.8119173034879,
   "min_gradient_pct": -45.365810494183734,
   "suppressed_max_gradient_pct": 69.96653855260699,
   "suppressed_location_m": [
    3.0,
    6.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 31.471457406953505,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 322.0,
   "end_distance_m": 327.0,
   "start_elevation_m": 497.23834443314024,
   "end_elevation_m": 498.8119173034879,
   "min_gradient_pct": 3.640449123571443,
   "suppressed_max_gradient_pct": 44.76067939848008,
   "suppressed_location_m": [
    3.0,
    8.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 30.409606476360977,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 319.0,
   "end_distance_m": 329.0,
   "start_elevation_m": 496.34729124832506,
   "end_elevation_m": 499.38825189596116,
   "min_gradient_pct": 4.347024254861935
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.647212068291083,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 310.0,
   "end_distance_m": 330.0,
   "start_elevation_m": 494.1085157004216,
   "end_elevation_m": 499.6379581140798,
   "min_gradient_pct": 7.112401830362103
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 27.575621863075185,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 304.0,
   "end_distance_m": 329.0,
   "start_elevation_m": 492.49434643019237,
   "end_elevation_m": 499.38825189596116,
   "min_gradient_pct": 8.158898280434187
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 25.689405529016426,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 280.0,
   "end_distance_m": 330.0,
   "start_elevation_m": 486.7932553495716,
   "end_elevation_m": 499.6379581140798,
   "min_gradient_pct": 9.623142884887784
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 24.052227213312108,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 230.0,
   "end_distance_m": 330.0,
   "start_elevation_m": 475.5857309007677,
   "end_elevation_m": 499.6379581140798,
   "min_gradient_pct": 11.122716297857153
  }
 ],
 "shape": {
  "ascent_concentration": 0.355,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 149.0,
  "shape_class": "sustained"
 },
 "length_m": 345.14223011496284,
 "start_elevation_m": 444.4680366857631,
 "end_elevation_m": 502.25019643160283,
 "endpoint_gain_m": 57.78215974583975,
 "overall_gradient_pct": 16.741550208617817,
 "accumulated_ascent_m": 59.14313406066526,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 31.471457406953505,
   "start_distance_m": 322.0,
   "end_distance_m": 327.0,
   "midpoint_distance_m": 324.5,
   "start_elevation_m": 497.23834443314024,
   "end_elevation_m": 498.8119173034879,
   "start_xy": [
    2665549.3546090685,
    1206619.7191469572
   ],
   "end_xy": [
    2665545.3146509766,
    1206616.7731775064
   ]
  },
  "max_10m": {
   "gradient_pct": 30.409606476360977,
   "start_distance_m": 319.0,
   "end_distance_m": 329.0,
   "midpoint_distance_m": 324.0,
   "start_elevation_m": 496.34729124832506,
   "end_elevation_m": 499.38825189596116,
   "start_xy": [
    2665551.9277748214,
    1206621.2581209333
   ],
   "end_xy": [
    2665543.6989535065,
    1206615.594398039
   ]
  },
  "max_20m": {
   "gradient_pct": 27.647212068291083,
   "start_distance_m": 310.0,
   "end_distance_m": 330.0,
   "midpoint_distance_m": 320.0,
   "start_elevation_m": 494.1085157004216,
   "end_elevation_m": 499.6379581140798,
   "start_xy": [
    2665559.7626161496,
    1206625.687031202
   ],
   "end_xy": [
    2665542.8908666326,
    1206615.005334711
   ]
  },
  "max_25m": {
   "gradient_pct": 27.575621863075185,
   "start_distance_m": 304.0,
   "end_distance_m": 329.0,
   "midpoint_distance_m": 316.5,
   "start_elevation_m": 492.49434643019237,
   "end_elevation_m": 499.38825189596116,
   "start_xy": [
    2665565.2891510804,
    1206627.7748457477
   ],
   "end_xy": [
    2665543.6989535065,
    1206615.594398039
   ]
  },
  "max_50m": {
   "gradient_pct": 25.689405529016426,
   "start_distance_m": 280.0,
   "end_distance_m": 330.0,
   "midpoint_distance_m": 305.0,
   "start_elevation_m": 486.7932553495716,
   "end_elevation_m": 499.6379581140798,
   "start_xy": [
    2665589.18638132,
    1206628.2994805567
   ],
   "end_xy": [
    2665542.8908666326,
    1206615.005334711
   ]
  },
  "max_100m": {
   "gradient_pct": 24.052227213312108,
   "start_distance_m": 230.0,
   "end_distance_m": 330.0,
   "midpoint_distance_m": 280.0,
   "start_elevation_m": 475.5857309007677,
   "end_elevation_m": 499.6379581140798,
   "start_xy": [
    2665633.788664072,
    1206648.5957590512
   ],
   "end_xy": [
    2665542.8908666326,
    1206615.005334711
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 3.640449123571443,
   "start_distance_m": 191.0,
   "end_distance_m": 196.0,
   "midpoint_distance_m": 193.5,
   "start_elevation_m": 468.8144773969509,
   "end_elevation_m": 468.9964998531295,
   "start_xy": [
    2665661.0260527176,
    1206634.128823089
   ],
   "end_xy": [
    2665660.618156769,
    1206639.112156808
   ]
  },
  "min_10m": {
   "gradient_pct": 4.347024254861935,
   "start_distance_m": 189.0,
   "end_distance_m": 199.0,
   "midpoint_distance_m": 194.0,
   "start_elevation_m": 468.72125698805917,
   "end_elevation_m": 469.15595941354536,
   "start_xy": [
    2665661.901977491,
    1206632.6166105825
   ],
   "end_xy": [
    2665660.095995182,
    1206642.0433400436
   ]
  },
  "min_20m": {
   "gradient_pct": 7.112401830362103,
   "start_distance_m": 182.0,
   "end_distance_m": 202.0,
   "midpoint_distance_m": 192.0,
   "start_elevation_m": 468.0730410166519,
   "end_elevation_m": 469.49552138272435,
   "start_xy": [
    2665668.5648451285,
    1206630.4726755207
   ],
   "end_xy": [
    2665658.988940081,
    1206644.8316062998
   ]
  },
  "min_25m": {
   "gradient_pct": 8.158898280434187,
   "start_distance_m": 176.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 188.5,
   "start_elevation_m": 467.32064748459914,
   "end_elevation_m": 469.3603720547077,
   "start_xy": [
    2665674.284706529,
    1206628.6607194422
   ],
   "end_xy": [
    2665659.358043643,
    1206643.902218036
   ]
  },
  "min_50m": {
   "gradient_pct": 9.623142884887784,
   "start_distance_m": 6.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 31.0,
   "start_elevation_m": 445.2060585275158,
   "end_elevation_m": 450.01762996995967,
   "start_xy": [
    2665838.0609353078,
    1206649.8659619498
   ],
   "end_xy": [
    2665789.0311843283,
    1206652.3303361072
   ]
  },
  "min_100m": {
   "gradient_pct": 11.122716297857153,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 444.4680366857631,
   "end_elevation_m": 455.59075298362023,
   "start_xy": [
    2665843.232,
    1206652.909
   ],
   "end_xy": [
    2665745.288449671,
    1206653.7372434281
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.94868463842806,
   "start_distance_m": 325.0,
   "end_distance_m": 327.0,
   "midpoint_distance_m": 326.0,
   "start_elevation_m": 498.11294361071936,
   "end_elevation_m": 498.8119173034879,
   "start_xy": [
    2665546.9308247245,
    1206617.9513041617
   ],
   "end_xy": [
    2665545.3146509766,
    1206616.7731775064
   ]
  },
  "max_3m": {
   "gradient_pct": 32.849893317622524,
   "start_distance_m": 324.0,
   "end_distance_m": 327.0,
   "midpoint_distance_m": 325.5,
   "start_elevation_m": 497.82642050395924,
   "end_elevation_m": 498.8119173034879,
   "start_xy": [
    2665547.7389115985,
    1206618.5403674897
   ],
   "end_xy": [
    2665545.3146509766,
    1206616.7731775064
   ]
  }
 },
 "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": 0.078,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    26.0
   ]
  ],
  "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_2665-1206_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T21:50:00+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10.osm.pbf",
  "osm_snapshot": "2026-09-09T20:21:20Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "2665-1206"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "structure_mask_ranges_m": [
   [
    0.0,
    21.2
   ],
   [
    0.0,
    19.8
   ],
   [
    0.0,
    15.4
   ]
  ],
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Horw",
  "county": "Luzern",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}