{ "ocl_version": "0.1.0", "name": "Discovered lane (47.4844, 12.5901)", "slug": "discovered-lane-47-4844-12-5901", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 22.27442046357737, "diagnostic": true, "flags": [], "start_distance_m": 1154.0, "end_distance_m": 1156.0, "start_elevation_m": 986.6346355631525, "end_elevation_m": 987.0801239724241, "min_gradient_pct": -7.000390771764842 }, { "window_m": 3.0, "max_gradient_pct": 20.875109815324322, "diagnostic": true, "flags": [], "start_distance_m": 2898.0, "end_distance_m": 2901.0, "start_elevation_m": 1194.7469591091672, "end_elevation_m": 1195.373212403627, "min_gradient_pct": -6.934559745536717 }, { "window_m": 5.0, "max_gradient_pct": 20.4563581410639, "diagnostic": false, "flags": [], "start_distance_m": 4033.0, "end_distance_m": 4038.0, "start_elevation_m": 1330.3169161225514, "end_elevation_m": 1331.3397340296046, "min_gradient_pct": -6.604357629864808 }, { "window_m": 10.0, "max_gradient_pct": 19.827312669226558, "diagnostic": false, "flags": [], "start_distance_m": 4030.0, "end_distance_m": 4040.0, "start_elevation_m": 1329.7526043239964, "end_elevation_m": 1331.735335590919, "min_gradient_pct": -6.441564490395422 }, { "window_m": 20.0, "max_gradient_pct": 18.880332824692232, "diagnostic": false, "flags": [], "start_distance_m": 4022.0, "end_distance_m": 4042.0, "start_elevation_m": 1328.321672996291, "end_elevation_m": 1332.0977395612294, "min_gradient_pct": -6.116001375418136 }, { "window_m": 25.0, "max_gradient_pct": 18.58019198482816, "diagnostic": false, "flags": [], "start_distance_m": 4029.0, "end_distance_m": 4054.0, "start_elevation_m": 1329.5648075418712, "end_elevation_m": 1334.2098555380783, "min_gradient_pct": -5.921345492668479 }, { "window_m": 50.0, "max_gradient_pct": 18.427715618396633, "diagnostic": false, "flags": [], "start_distance_m": 4025.0, "end_distance_m": 4075.0, "start_elevation_m": 1328.8252202756412, "end_elevation_m": 1338.0390780848395, "min_gradient_pct": -4.26596890982637 }, { "window_m": 100.0, "max_gradient_pct": 18.103985436079256, "diagnostic": false, "flags": [], "start_distance_m": 4024.0, "end_distance_m": 4124.0, "start_elevation_m": 1328.6614042872145, "end_elevation_m": 1346.7653897232938, "min_gradient_pct": -1.084217119806226 } ], "shape": { "ascent_concentration": 0.289, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 482.0, "shape_class": "sustained" }, "length_m": 4617.954265269108, "start_elevation_m": 871.9574469734088, "end_elevation_m": 1413.2932211742911, "endpoint_gain_m": 541.3357742008824, "overall_gradient_pct": 11.722415232047267, "accumulated_ascent_m": 543.9225706850883, "window_maxima": { "max_5m": { "gradient_pct": 20.4563581410639, "start_distance_m": 4033.0, "end_distance_m": 4038.0, "midpoint_distance_m": 4035.5, "start_elevation_m": 1330.3169161225514, "end_elevation_m": 1331.3397340296046, "start_xy": [ 4515901.719678901, 2711474.855340724 ], "end_xy": [ 4515906.716099491, 2711475.0445001274 ] }, "max_10m": { "gradient_pct": 19.827312669226558, "start_distance_m": 4030.0, "end_distance_m": 4040.0, "midpoint_distance_m": 4035.0, "start_elevation_m": 1329.7526043239964, "end_elevation_m": 1331.735335590919, "start_xy": [ 4515898.721826546, 2711474.7418450816 ], "end_xy": [ 4515908.714667728, 2711475.1201638887 ] }, "max_20m": { "gradient_pct": 18.880332824692232, "start_distance_m": 4022.0, "end_distance_m": 4042.0, "midpoint_distance_m": 4032.0, "start_elevation_m": 1328.321672996291, "end_elevation_m": 1332.0977395612294, "start_xy": [ 4515890.727553601, 2711474.4391900357 ], "end_xy": [ 4515910.713235964, 2711475.1958276504 ] }, "max_25m": { "gradient_pct": 18.58019198482816, "start_distance_m": 4029.0, "end_distance_m": 4054.0, "midpoint_distance_m": 4041.5, "start_elevation_m": 1329.5648075418712, "end_elevation_m": 1334.2098555380783, "start_xy": [ 4515897.722542428, 2711474.704013201 ], "end_xy": [ 4515922.684303751, 2711475.0005368013 ] }, "max_50m": { "gradient_pct": 18.427715618396633, "start_distance_m": 4025.0, "end_distance_m": 4075.0, "midpoint_distance_m": 4050.0, "start_elevation_m": 1328.8252202756412, "end_elevation_m": 1338.0390780848395, "start_xy": [ 4515893.725405956, 2711474.552685678 ], "end_xy": [ 4515943.578382287, 2711472.894003602 ] }, "max_100m": { "gradient_pct": 18.103985436079256, "start_distance_m": 4024.0, "end_distance_m": 4124.0, "midpoint_distance_m": 4074.0, "start_elevation_m": 1328.6614042872145, "end_elevation_m": 1346.7653897232938, "start_xy": [ 4515892.726121837, 2711474.5148537974 ], "end_xy": [ 4515989.519252655, 2711458.0444248645 ] } }, "window_minima": { "min_5m": { "gradient_pct": -6.604357629864808, "start_distance_m": 566.0, "end_distance_m": 571.0, "midpoint_distance_m": 568.5, "start_elevation_m": 922.3787805101105, "end_elevation_m": 922.0485626286172, "start_xy": [ 4515664.782662063, 2712891.4256887864 ], "end_xy": [ 4515659.99997005, 2712889.9676568555 ] }, "min_10m": { "gradient_pct": -6.441564490395422, "start_distance_m": 566.0, "end_distance_m": 576.0, "midpoint_distance_m": 571.0, "start_elevation_m": 922.3787805101105, "end_elevation_m": 921.7346240610709, "start_xy": [ 4515664.782662063, 2712891.4256887864 ], "end_xy": [ 4515655.217278037, 2712888.509624925 ] }, "min_20m": { "gradient_pct": -6.116001375418136, "start_distance_m": 563.0, "end_distance_m": 583.0, "midpoint_distance_m": 573.0, "start_elevation_m": 922.5554027209262, "end_elevation_m": 921.3322024458425, "start_xy": [ 4515667.65227727, 2712892.3005079445 ], "end_xy": [ 4515648.744002621, 2712885.8678126 ] }, "min_25m": { "gradient_pct": -5.921345492668479, "start_distance_m": 560.0, "end_distance_m": 585.0, "midpoint_distance_m": 572.5, "start_elevation_m": 922.7111448049179, "end_elevation_m": 921.2308084317508, "start_xy": [ 4515670.521892478, 2712893.175327103 ], "end_xy": [ 4515646.912710371, 2712885.0638420177 ] }, "min_50m": { "gradient_pct": -4.26596890982637, "start_distance_m": 541.0, "end_distance_m": 591.0, "midpoint_distance_m": 566.0, "start_elevation_m": 923.1676761571321, "end_elevation_m": 921.0346917022189, "start_xy": [ 4515687.138458942, 2712902.3481267616 ], "end_xy": [ 4515641.627701808, 2712882.4023826863 ] }, "min_100m": { "gradient_pct": -1.084217119806226, "start_distance_m": 517.0, "end_distance_m": 617.0, "midpoint_distance_m": 567.0, "start_elevation_m": 922.487859958741, "end_elevation_m": 921.4036428389347, "start_xy": [ 4515708.934454859, 2712912.261608466 ], "end_xy": [ 4515629.997137175, 2712859.352763816 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 22.27442046357737, "start_distance_m": 1154.0, "end_distance_m": 1156.0, "midpoint_distance_m": 1155.0, "start_elevation_m": 986.6346355631525, "end_elevation_m": 987.0801239724241, "start_xy": [ 4515909.009382102, 2712504.808229134 ], "end_xy": [ 4515907.95326331, 2712503.109814256 ] }, "max_3m": { "gradient_pct": 20.875109815324322, "start_distance_m": 2898.0, "end_distance_m": 2901.0, "midpoint_distance_m": 2899.5, "start_elevation_m": 1194.7469591091672, "end_elevation_m": 1195.373212403627, "start_xy": [ 4515728.154307917, 2711772.210516874 ], "end_xy": [ 4515728.822409517, 2711769.313057538 ] } }, "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": 0.08, "obstruction_max_height_m": 22.74, "flagged_windows_m": [] }, "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:3035", "elevation_resolution_m": 1.0, "elevation_tiles": [ "data/cache/at/bev-als_dtm_E4515-N2711.tif", "data/cache/at/bev-als_dtm_E4515-N2712.tif", "data/cache/at/bev-als_dtm_E4515-N2713.tif", "data/cache/at/bev-als_dtm_E4516-N2711.tif", "data/cache/at/bev-als_dtm_E4516-N2712.tif" ], "calculated_at": "2026-09-11T15:52:30+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/austria-2026-09-11-batch.osm.pbf", "osm_snapshot": "", "run_id": "at-run2-260911", "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": [ "E4515-N2711", "E4515-N2712", "E4515-N2713", "E4516-N2711", "E4516-N2712" ], "elevation_blocks": [ "N2700000E4500000@2022-09-15" ], "climb_origin": "discovered", "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Sankt Ulrich am Pillersee", "county": "Tirol", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }