{
 "ocl_version": "0.1.0",
 "name": "Sonnleiten",
 "slug": "sonnleiten-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.86426688034544,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 639.0,
   "end_distance_m": 641.0,
   "start_elevation_m": 645.9146593859432,
   "end_elevation_m": 646.3519447235501,
   "min_gradient_pct": -1.6025612069938688
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.644864421227794,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 638.0,
   "end_distance_m": 641.0,
   "start_elevation_m": 645.7025987909133,
   "end_elevation_m": 646.3519447235501,
   "min_gradient_pct": -1.403076290948017
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.50581408007838,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 635.0,
   "end_distance_m": 640.0,
   "start_elevation_m": 645.0593717321591,
   "end_elevation_m": 646.134662436163,
   "min_gradient_pct": -0.2839412570483546
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.362815945240072,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 632.0,
   "end_distance_m": 642.0,
   "start_elevation_m": 644.4250602268442,
   "end_elevation_m": 646.5613418213682,
   "min_gradient_pct": 1.6808973940624128
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.124739185327144,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 603.0,
   "end_distance_m": 623.0,
   "start_elevation_m": 638.3489717483267,
   "end_elevation_m": 642.5739195853921,
   "min_gradient_pct": 2.8611246911617627
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.041745838192128,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 601.0,
   "end_distance_m": 626.0,
   "start_elevation_m": 637.9363439372615,
   "end_elevation_m": 643.1967803968096,
   "min_gradient_pct": 3.049357599939867
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.91959943675056,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 599.0,
   "end_distance_m": 649.0,
   "start_elevation_m": 637.5351187057792,
   "end_elevation_m": 647.9949184241544,
   "min_gradient_pct": 3.7476515180712795
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.488961062568023,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 563.0,
   "end_distance_m": 663.0,
   "start_elevation_m": 630.9655177214314,
   "end_elevation_m": 650.4544787839994,
   "min_gradient_pct": 7.043510623820225
  }
 ],
 "shape": {
  "ascent_concentration": 0.345,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 385.0,
  "shape_class": "sustained"
 },
 "length_m": 903.3000000003368,
 "start_elevation_m": 564.9257569165107,
 "end_elevation_m": 672.6459430426441,
 "endpoint_gain_m": 107.7201861261334,
 "overall_gradient_pct": 11.92518389528321,
 "accumulated_ascent_m": 107.76227841486184,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.50581408007838,
   "start_distance_m": 635.0,
   "end_distance_m": 640.0,
   "midpoint_distance_m": 637.5,
   "start_elevation_m": 645.0593717321591,
   "end_elevation_m": 646.134662436163,
   "start_xy": [
    4635369.815546868,
    2743709.429790408
   ],
   "end_xy": [
    4635370.545490756,
    2743714.376221626
   ]
  },
  "max_10m": {
   "gradient_pct": 21.362815945240072,
   "start_distance_m": 632.0,
   "end_distance_m": 642.0,
   "midpoint_distance_m": 637.0,
   "start_elevation_m": 644.4250602268442,
   "end_elevation_m": 646.5613418213682,
   "start_xy": [
    4635369.438222869,
    2743706.455306414
   ],
   "end_xy": [
    4635370.838524352,
    2743716.3546377276
   ]
  },
  "max_20m": {
   "gradient_pct": 21.124739185327144,
   "start_distance_m": 603.0,
   "end_distance_m": 623.0,
   "midpoint_distance_m": 613.0,
   "start_elevation_m": 638.3489717483267,
   "end_elevation_m": 642.5739195853921,
   "start_xy": [
    4635370.101185817,
    2743677.499530507
   ],
   "end_xy": [
    4635369.3436753815,
    2743697.4561535385
   ]
  },
  "max_25m": {
   "gradient_pct": 21.041745838192128,
   "start_distance_m": 601.0,
   "end_distance_m": 626.0,
   "midpoint_distance_m": 613.5,
   "start_elevation_m": 637.9363439372615,
   "end_elevation_m": 643.1967803968096,
   "start_xy": [
    4635370.306131624,
    2743675.510059163
   ],
   "end_xy": [
    4635369.371674203,
    2743700.4560225466
   ]
  },
  "max_50m": {
   "gradient_pct": 20.91959943675056,
   "start_distance_m": 599.0,
   "end_distance_m": 649.0,
   "midpoint_distance_m": 624.0,
   "start_elevation_m": 637.5351187057792,
   "end_elevation_m": 647.9949184241544,
   "start_xy": [
    4635370.510996302,
    2743673.5205794163
   ],
   "end_xy": [
    4635372.1176638445,
    2743723.2009147448
   ]
  },
  "max_100m": {
   "gradient_pct": 19.488961062568023,
   "start_distance_m": 563.0,
   "end_distance_m": 663.0,
   "midpoint_distance_m": 613.0,
   "start_elevation_m": 630.9655177214314,
   "end_elevation_m": 650.4544787839994,
   "start_xy": [
    4635371.140509462,
    2743637.7149119717
   ],
   "end_xy": [
    4635380.58138746,
    2743734.3528351295
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.2839412570483546,
   "start_distance_m": 745.0,
   "end_distance_m": 750.0,
   "midpoint_distance_m": 747.5,
   "start_elevation_m": 657.2258336325692,
   "end_elevation_m": 657.2116365697168,
   "start_xy": [
    4635459.537784452,
    2743733.3942438746
   ],
   "end_xy": [
    4635461.894624988,
    2743735.075375581
   ]
  },
  "min_10m": {
   "gradient_pct": 1.6808973940624128,
   "start_distance_m": 744.0,
   "end_distance_m": 754.0,
   "midpoint_distance_m": 749.0,
   "start_elevation_m": 657.1968526681175,
   "end_elevation_m": 657.3649424075237,
   "start_xy": [
    4635458.57325366,
    2743733.1302735405
   ],
   "end_xy": [
    4635458.410327305,
    2743737.0399796707
   ]
  },
  "min_20m": {
   "gradient_pct": 2.8611246911617627,
   "start_distance_m": 18.0,
   "end_distance_m": 38.0,
   "midpoint_distance_m": 28.0,
   "start_elevation_m": 565.5584132134045,
   "end_elevation_m": 566.1306381516368,
   "start_xy": [
    4634918.336187342,
    2743457.5040106894
   ],
   "end_xy": [
    4634937.918505544,
    2743454.112710283
   ]
  },
  "min_25m": {
   "gradient_pct": 3.049357599939867,
   "start_distance_m": 20.0,
   "end_distance_m": 45.0,
   "midpoint_distance_m": 32.5,
   "start_elevation_m": 565.6406280268142,
   "end_elevation_m": 566.4029674267991,
   "start_xy": [
    4634920.332992946,
    2743457.6169996043
   ],
   "end_xy": [
    4634944.656022336,
    2743456.011619621
   ]
  },
  "min_50m": {
   "gradient_pct": 3.7476515180712795,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 564.9257569165107,
   "end_elevation_m": 566.7995826755464,
   "start_xy": [
    4634900.365,
    2743456.486
   ],
   "end_xy": [
    4634949.46834212,
    2743457.368664293
   ]
  },
  "min_100m": {
   "gradient_pct": 7.043510623820225,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 564.9257569165107,
   "end_elevation_m": 571.969267540331,
   "start_xy": [
    4634900.365,
    2743456.486
   ],
   "end_xy": [
    4634998.076726154,
    2743469.071244339
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.86426688034544,
   "start_distance_m": 639.0,
   "end_distance_m": 641.0,
   "midpoint_distance_m": 640.0,
   "start_elevation_m": 645.9146593859432,
   "end_elevation_m": 646.3519447235501,
   "start_xy": [
    4635370.399566838,
    2743713.3869258123
   ],
   "end_xy": [
    4635370.691716384,
    2743715.3654728155
   ]
  },
  "max_3m": {
   "gradient_pct": 21.644864421227794,
   "start_distance_m": 638.0,
   "end_distance_m": 641.0,
   "midpoint_distance_m": 639.5,
   "start_elevation_m": 645.7025987909133,
   "end_elevation_m": 646.3519447235501,
   "start_xy": [
    4635370.253552999,
    2743712.3976432662
   ],
   "end_xy": [
    4635370.691716384,
    2743715.3654728155
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.0,
   "obstruction_max_height_m": 1.88,
   "flagged_windows_m": []
  },
  "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:3035",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/at/bev-als_dtm_E4634-N2743.tif",
   "data/cache/at/bev-als_dtm_E4635-N2743.tif"
  ],
  "calculated_at": "2026-09-15T22:33:44+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/austria-2026-09-11.osm.pbf",
  "osm_snapshot": "2026-09-10T20:21:06Z",
  "run_id": "retro-260915-dogleg-all",
  "elevation_provider": "BEV ALS DTM 1 m",
  "elevation_licence": "Creative Commons Attribution 4.0 (CC BY 4.0) \u2014 \u00a9 BEV / L\u00e4nder, data.gv.at",
  "elevation_dataset": "ALS DTM H\u00f6henraster 1 m (Bundesamt f\u00fcr Eich- und Vermessungswesen with the L\u00e4nder), EPSG:3035",
  "elevation_tile_ids": [
   "E4634-N2743",
   "E4635-N2743"
  ],
  "elevation_blocks": [
   "N2700000E4600000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2700000E4600000": "20220915"
  },
  "route_cut_m": 903.3,
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Hinterstoder",
  "county": "Ober\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}