{ "ocl_version": "0.1.0", "name": "Discovered lane (46.7044, 12.6912)", "slug": "discovered-lane-46-7044-12-6912", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 24.132128166979783, "diagnostic": true, "flags": [], "start_distance_m": 569.0, "end_distance_m": 571.0, "start_elevation_m": 1227.0925539944824, "end_elevation_m": 1227.575196557822, "min_gradient_pct": -1.5484447804624324 }, { "window_m": 3.0, "max_gradient_pct": 23.961067992081553, "diagnostic": true, "flags": [], "start_distance_m": 569.0, "end_distance_m": 572.0, "start_elevation_m": 1227.0925539944824, "end_elevation_m": 1227.8113860342448, "min_gradient_pct": -1.3921664953007469 }, { "window_m": 5.0, "max_gradient_pct": 23.674532356458258, "diagnostic": false, "flags": [], "start_distance_m": 567.0, "end_distance_m": 572.0, "start_elevation_m": 1226.627659416422, "end_elevation_m": 1227.8113860342448, "min_gradient_pct": -1.2356414495843637 }, { "window_m": 10.0, "max_gradient_pct": 23.354979392556743, "diagnostic": false, "flags": [], "start_distance_m": 567.0, "end_distance_m": 577.0, "start_elevation_m": 1226.627659416422, "end_elevation_m": 1228.9631573556776, "min_gradient_pct": -0.9739592218329562 }, { "window_m": 20.0, "max_gradient_pct": 22.78111816117189, "diagnostic": false, "flags": [], "start_distance_m": 559.0, "end_distance_m": 579.0, "start_elevation_m": 1224.8301632343619, "end_elevation_m": 1229.3863868665962, "min_gradient_pct": -0.8466600007955094 }, { "window_m": 25.0, "max_gradient_pct": 22.46627916390389, "diagnostic": false, "flags": [], "start_distance_m": 559.0, "end_distance_m": 584.0, "start_elevation_m": 1224.8301632343619, "end_elevation_m": 1230.4467330253378, "min_gradient_pct": -0.7794536764513396 }, { "window_m": 50.0, "max_gradient_pct": 20.919870180344788, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 617.0, "end_distance_m": 667.0, "start_elevation_m": 1236.3842106320271, "end_elevation_m": 1246.8441457221995, "min_gradient_pct": -0.6476197913921169 }, { "window_m": 100.0, "max_gradient_pct": 20.430616671524604, "diagnostic": false, "flags": [], "start_distance_m": 559.0, "end_distance_m": 659.0, "start_elevation_m": 1224.8301632343619, "end_elevation_m": 1245.2607799058865, "min_gradient_pct": 0.13957855553758236 } ], "shape": { "ascent_concentration": 0.583, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 227.0, "shape_class": "stepped" }, "length_m": 712.2197924184042, "start_elevation_m": 1196.873510920035, "end_elevation_m": 1253.9085407861683, "endpoint_gain_m": 57.0350298661333, "overall_gradient_pct": 8.008065834911145, "accumulated_ascent_m": 57.41877386531223, "window_maxima": { "max_5m": { "gradient_pct": 23.674532356458258, "start_distance_m": 567.0, "end_distance_m": 572.0, "midpoint_distance_m": 569.5, "start_elevation_m": 1226.627659416422, "end_elevation_m": 1227.8113860342448, "start_xy": [ 4526915.577044213, 2624947.527071025 ], "end_xy": [ 4526911.030049271, 2624945.447446781 ] }, "max_10m": { "gradient_pct": 23.354979392556743, "start_distance_m": 567.0, "end_distance_m": 577.0, "midpoint_distance_m": 572.0, "start_elevation_m": 1226.627659416422, "end_elevation_m": 1228.9631573556776, "start_xy": [ 4526915.577044213, 2624947.527071025 ], "end_xy": [ 4526906.483054329, 2624943.367822537 ] }, "max_20m": { "gradient_pct": 22.78111816117189, "start_distance_m": 559.0, "end_distance_m": 579.0, "midpoint_distance_m": 569.0, "start_elevation_m": 1224.8301632343619, "end_elevation_m": 1229.3863868665962, "start_xy": [ 4526922.904160326, 2624950.7237511235 ], "end_xy": [ 4526904.523390677, 2624943.2824161514 ] }, "max_25m": { "gradient_pct": 22.46627916390389, "start_distance_m": 559.0, "end_distance_m": 584.0, "midpoint_distance_m": 571.5, "start_elevation_m": 1224.8301632343619, "end_elevation_m": 1230.4467330253378, "start_xy": [ 4526922.904160326, 2624950.7237511235 ], "end_xy": [ 4526899.531204882, 2624943.561845912 ] }, "max_50m": { "gradient_pct": 20.919870180344788, "start_distance_m": 617.0, "end_distance_m": 667.0, "midpoint_distance_m": 642.0, "start_elevation_m": 1236.3842106320271, "end_elevation_m": 1246.8441457221995, "start_xy": [ 4526871.055270671, 2624959.162296513 ], "end_xy": [ 4526822.541717886, 2624968.9901100253 ] }, "max_100m": { "gradient_pct": 20.430616671524604, "start_distance_m": 559.0, "end_distance_m": 659.0, "midpoint_distance_m": 609.0, "start_elevation_m": 1224.8301632343619, "end_elevation_m": 1245.2607799058865, "start_xy": [ 4526922.904160326, 2624950.7237511235 ], "end_xy": [ 4526830.515785004, 2624969.194661086 ] } }, "window_minima": { "min_5m": { "gradient_pct": -1.2356414495843637, "start_distance_m": 355.0, "end_distance_m": 360.0, "midpoint_distance_m": 357.5, "start_elevation_m": 1206.1416834372435, "end_elevation_m": 1206.0799013647643, "start_xy": [ 4527115.169287071, 2624952.237511807 ], "end_xy": [ 4527110.34001216, 2624950.9581702184 ] }, "min_10m": { "gradient_pct": -0.9739592218329562, "start_distance_m": 353.0, "end_distance_m": 363.0, "midpoint_distance_m": 358.0, "start_elevation_m": 1206.153235247074, "end_elevation_m": 1206.0558393248907, "start_xy": [ 4527117.127986259, 2624952.6418600376 ], "end_xy": [ 4527107.4643133, 2624950.1035614973 ] }, "min_20m": { "gradient_pct": -0.8466600007955094, "start_distance_m": 343.0, "end_distance_m": 363.0, "midpoint_distance_m": 353.0, "start_elevation_m": 1206.2251713250498, "end_elevation_m": 1206.0558393248907, "start_xy": [ 4527126.921482198, 2624954.6636011903 ], "end_xy": [ 4527107.4643133, 2624950.1035614973 ] }, "min_25m": { "gradient_pct": -0.7794536764513396, "start_distance_m": 342.0, "end_distance_m": 367.0, "midpoint_distance_m": 354.5, "start_elevation_m": 1206.225846309468, "end_elevation_m": 1206.030982890355, "start_xy": [ 4527127.900831792, 2624954.865775306 ], "end_xy": [ 4527103.630048153, 2624948.964083202 ] }, "min_50m": { "gradient_pct": -0.6476197913921169, "start_distance_m": 327.0, "end_distance_m": 377.0, "midpoint_distance_m": 352.0, "start_elevation_m": 1206.2910583769365, "end_elevation_m": 1205.9672484812404, "start_xy": [ 4527142.612698275, 2624957.7788770664 ], "end_xy": [ 4527094.044385287, 2624946.1153874644 ] }, "min_100m": { "gradient_pct": 0.13957855553758236, "start_distance_m": 288.0, "end_distance_m": 388.0, "midpoint_distance_m": 338.0, "start_elevation_m": 1205.8224954807938, "end_elevation_m": 1205.9620740363314, "start_xy": [ 4527180.954649559, 2624964.726350278 ], "end_xy": [ 4527083.37687843, 2624947.5381380795 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 24.132128166979783, "start_distance_m": 569.0, "end_distance_m": 571.0, "midpoint_distance_m": 570.0, "start_elevation_m": 1227.0925539944824, "end_elevation_m": 1227.575196557822, "start_xy": [ 4526913.7582462365, 2624946.6952213277 ], "end_xy": [ 4526911.939448259, 2624945.8633716297 ] }, "max_3m": { "gradient_pct": 23.961067992081553, "start_distance_m": 569.0, "end_distance_m": 572.0, "midpoint_distance_m": 570.5, "start_elevation_m": 1227.0925539944824, "end_elevation_m": 1227.8113860342448, "start_xy": [ 4526913.7582462365, 2624946.6952213277 ], "end_xy": [ 4526911.030049271, 2624945.447446781 ] } }, "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": 0.074, "obstruction_max_height_m": 11.71, "flagged_windows_m": [ 50 ] }, "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_E4526-N2624.tif", "data/cache/at/bev-als_dtm_E4526-N2625.tif", "data/cache/at/bev-als_dtm_E4527-N2624.tif", "data/cache/at/bev-als_dtm_E4527-N2625.tif" ], "calculated_at": "2026-09-11T07:26:14+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-run1-260911", "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": [ "E4526-N2624", "E4526-N2625", "E4527-N2624", "E4527-N2625" ], "elevation_blocks": [ "N2600000E4500000@2022-09-15" ], "climb_origin": "discovered", "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Untertilliach", "county": "Tirol", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }