{ "ocl_version": "0.1.0", "name": "Discovered lane (46.5080, 14.6618)", "slug": "discovered-lane-46-5080-14-6618", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 38.54957896289761, "diagnostic": true, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 3934.0, "end_distance_m": 3936.0, "start_elevation_m": 1430.0058830986466, "end_elevation_m": 1430.7768746779045, "min_gradient_pct": -51.75141679542321, "suppressed_max_gradient_pct": 73.47408590110263, "suppressed_location_m": [ 3992.0, 3994.0 ] }, { "window_m": 3.0, "max_gradient_pct": 37.14023905606609, "diagnostic": true, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 3933.0, "end_distance_m": 3936.0, "start_elevation_m": 1429.6626675062225, "end_elevation_m": 1430.7768746779045, "min_gradient_pct": -45.11361640015821, "suppressed_max_gradient_pct": 70.40387949947065, "suppressed_location_m": [ 3992.0, 3995.0 ] }, { "window_m": 5.0, "max_gradient_pct": 32.247351453193005, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 3933.0, "end_distance_m": 3938.0, "start_elevation_m": 1429.6626675062225, "end_elevation_m": 1431.2750350788822, "min_gradient_pct": -34.675764694338795, "suppressed_max_gradient_pct": 66.13750540068395, "suppressed_location_m": [ 3991.0, 3996.0 ] }, { "window_m": 10.0, "max_gradient_pct": 24.917505744926984, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "texture_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 3931.0, "end_distance_m": 3941.0, "start_elevation_m": 1429.347345917374, "end_elevation_m": 1431.8390964918667, "min_gradient_pct": -24.41459443847407, "suppressed_max_gradient_pct": 57.67133755250825, "suppressed_location_m": [ 3991.0, 4001.0 ] }, { "window_m": 20.0, "max_gradient_pct": 20.91366804864606, "diagnostic": false, "flags": [ "structure_excluded", "canopy_or_structure" ], "start_distance_m": 3931.0, "end_distance_m": 3951.0, "start_elevation_m": 1429.347345917374, "end_elevation_m": 1433.5300795271032, "min_gradient_pct": -19.993604437071326, "suppressed_max_gradient_pct": 37.76922624220333, "suppressed_location_m": [ 3990.0, 4010.0 ] }, { "window_m": 25.0, "max_gradient_pct": 18.720026135617445, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 3932.0, "end_distance_m": 3957.0, "start_elevation_m": 1429.4355448312858, "end_elevation_m": 1434.1155513651902, "min_gradient_pct": -18.205210143965814, "suppressed_max_gradient_pct": 31.634529412579468, "suppressed_location_m": [ 3990.0, 4015.0 ] }, { "window_m": 50.0, "max_gradient_pct": 15.695888962970457, "diagnostic": false, "flags": [ "structure_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1488.0, "end_distance_m": 1538.0, "start_elevation_m": 1226.7570810227505, "end_elevation_m": 1234.6050255042358, "min_gradient_pct": -4.365937356970335, "suppressed_max_gradient_pct": 18.819683203651493, "suppressed_location_m": [ 3990.0, 4040.0 ] }, { "window_m": 100.0, "max_gradient_pct": 12.893279997282207, "diagnostic": false, "flags": [ "texture_excluded", "texture_excluded" ], "start_distance_m": 2844.0, "end_distance_m": 2944.0, "start_elevation_m": 1337.6180635935689, "end_elevation_m": 1350.511343590851, "min_gradient_pct": -1.328342776807176, "suppressed_max_gradient_pct": 14.211080007411965, "suppressed_location_m": [ 3252.0, 3352.0 ] } ], "shape": { "ascent_concentration": 0.322, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 146.0, "shape_class": "sustained" }, "length_m": 4150.983930992192, "start_elevation_m": 1102.6181561533244, "end_elevation_m": 1445.4500467773505, "endpoint_gain_m": 342.8318906240261, "overall_gradient_pct": 8.25905125925362, "accumulated_ascent_m": 363.5821534630852, "window_maxima": { "max_5m": { "gradient_pct": 32.247351453193005, "start_distance_m": 3933.0, "end_distance_m": 3938.0, "midpoint_distance_m": 3935.5, "start_elevation_m": 1429.6626675062225, "end_elevation_m": 1431.2750350788822, "start_xy": [ 4679384.402250613, 2611051.2623211937 ], "end_xy": [ 4679387.105768708, 2611055.4683860806 ] }, "max_10m": { "gradient_pct": 24.917505744926984, "start_distance_m": 3931.0, "end_distance_m": 3941.0, "midpoint_distance_m": 3936.0, "start_elevation_m": 1429.347345917374, "end_elevation_m": 1431.8390964918667, "start_xy": [ 4679383.321154448, 2611049.579695093 ], "end_xy": [ 4679388.727299949, 2611057.992397887 ] }, "max_20m": { "gradient_pct": 20.91366804864606, "start_distance_m": 3931.0, "end_distance_m": 3951.0, "midpoint_distance_m": 3941.0, "start_elevation_m": 1429.347345917374, "end_elevation_m": 1433.5300795271032, "start_xy": [ 4679383.321154448, 2611049.579695093 ], "end_xy": [ 4679394.943828166, 2611065.764176152 ] }, "max_25m": { "gradient_pct": 18.720026135617445, "start_distance_m": 3932.0, "end_distance_m": 3957.0, "midpoint_distance_m": 3944.5, "start_elevation_m": 1429.4355448312858, "end_elevation_m": 1434.1155513651902, "start_xy": [ 4679383.861577605, 2611050.421088455 ], "end_xy": [ 4679399.154112454, 2611070.038927606 ] }, "max_50m": { "gradient_pct": 15.695888962970457, "start_distance_m": 1488.0, "end_distance_m": 1538.0, "midpoint_distance_m": 1513.0, "start_elevation_m": 1226.7570810227505, "end_elevation_m": 1234.6050255042358, "start_xy": [ 4677969.634984223, 2610199.8103223094 ], "end_xy": [ 4677937.7848956715, 2610202.7491768496 ] }, "max_100m": { "gradient_pct": 12.893279997282207, "start_distance_m": 2844.0, "end_distance_m": 2944.0, "midpoint_distance_m": 2894.0, "start_elevation_m": 1337.6180635935689, "end_elevation_m": 1350.511343590851, "start_xy": [ 4678904.020034639, 2610592.22609771 ], "end_xy": [ 4678940.754594958, 2610503.82718614 ] } }, "window_minima": { "min_5m": { "gradient_pct": -34.675764694338795, "start_distance_m": 2607.0, "end_distance_m": 2612.0, "midpoint_distance_m": 2609.5, "start_elevation_m": 1320.2516134012737, "end_elevation_m": 1318.5178251665568, "start_xy": [ 4678764.397822659, 2610570.8948971 ], "end_xy": [ 4678767.993096004, 2610574.3547486346 ] }, "min_10m": { "gradient_pct": -24.41459443847407, "start_distance_m": 3918.0, "end_distance_m": 3928.0, "midpoint_distance_m": 3923.0, "start_elevation_m": 1431.8589068384779, "end_elevation_m": 1429.4174473946305, "start_xy": [ 4679376.026545852, 2611038.886611808 ], "end_xy": [ 4679381.699286076, 2611047.055899956 ] }, "min_20m": { "gradient_pct": -19.993604437071326, "start_distance_m": 3963.0, "end_distance_m": 3983.0, "midpoint_distance_m": 3973.0, "start_elevation_m": 1434.0912808518895, "end_elevation_m": 1430.0925599644752, "start_xy": [ 4679403.363892313, 2611074.31417568 ], "end_xy": [ 4679417.396336154, 2611088.5651548123 ] }, "min_25m": { "gradient_pct": -18.205210143965814, "start_distance_m": 3963.0, "end_distance_m": 3988.0, "midpoint_distance_m": 3975.5, "start_elevation_m": 1434.0912808518895, "end_elevation_m": 1429.539978315898, "start_xy": [ 4679403.363892313, 2611074.31417568 ], "end_xy": [ 4679420.904766788, 2611092.1275848113 ] }, "min_50m": { "gradient_pct": -4.365937356970335, "start_distance_m": 3940.0, "end_distance_m": 3990.0, "midpoint_distance_m": 3965.0, "start_elevation_m": 1431.7116922325158, "end_elevation_m": 1429.5287235540306, "start_xy": [ 4679388.186626876, 2611057.1511651897 ], "end_xy": [ 4679422.3082046425, 2611093.5524924574 ] }, "min_100m": { "gradient_pct": -1.328342776807176, "start_distance_m": 3889.0, "end_distance_m": 3989.0, "midpoint_distance_m": 3939.0, "start_elevation_m": 1430.8358213132024, "end_elevation_m": 1429.5074785363952, "start_xy": [ 4679350.811653818, 2611025.8657811107 ], "end_xy": [ 4679421.606351736, 2611092.8401706377 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 38.54957896289761, "start_distance_m": 3934.0, "end_distance_m": 3936.0, "midpoint_distance_m": 3935.0, "start_elevation_m": 1430.0058830986466, "end_elevation_m": 1430.7768746779045, "start_xy": [ 4679384.943260892, 2611052.103337173 ], "end_xy": [ 4679386.024118628, 2611053.7861160194 ] }, "max_3m": { "gradient_pct": 37.14023905606609, "start_distance_m": 3933.0, "end_distance_m": 3936.0, "midpoint_distance_m": 3934.5, "start_elevation_m": 1429.6626675062225, "end_elevation_m": 1430.7768746779045, "start_xy": [ 4679384.402250613, 2611051.2623211937 ], "end_xy": [ 4679386.024118628, 2611053.7861160194 ] } }, "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": 0.011, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0 ], "windows_unresolved": [] }, "no_bench_suppression": { "masked_fraction": 0.026, "windows_resited": [], "windows_unresolved": [] }, "placement_suppression": { "masked_fraction": 0.033, "windows_resited": [], "windows_unresolved": [] }, "texture_suppression": { "masked_fraction": 0.048, "windows_resited": [ 5.0, 10.0, 100.0 ], "windows_unresolved": [] }, "texture_windows": { "rounds": 3, "windows_masked": [ { "window_m": 25.0, "start_m": 3325.0, "end_m": 3350.0, "raw_pct": 20.86, "reason": "staircase+hump" }, { "window_m": 10.0, "start_m": 3340.0, "end_m": 3350.0, "raw_pct": 29.35, "reason": "hump" }, { "window_m": 5.0, "start_m": 3340.0, "end_m": 3345.0, "raw_pct": 37.69, "reason": "hump+short-step" }, { "window_m": 10.0, "start_m": 234.0, "end_m": 244.0, "raw_pct": 27.41, "reason": "hump+short-step" }, { "window_m": 5.0, "start_m": 236.0, "end_m": 241.0, "raw_pct": 37.64, "reason": "hump" }, { "window_m": 10.0, "start_m": 3437.0, "end_m": 3447.0, "raw_pct": 27.0, "reason": "hump" }, { "window_m": 5.0, "start_m": 3439.0, "end_m": 3444.0, "raw_pct": 33.61, "reason": "hump" } ], "advisory": [], "unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.229, "obstruction_max_height_m": 22.49, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25, 50 ] }, "excluded_ranges_m": [ [ 232.0, 246.0 ], [ 2520.0, 2620.0 ], [ 3323.0, 3352.0 ], [ 3435.0, 3449.0 ], [ 3965.0, 4001.0 ] ], "review": [], "extent": [ "may_start_earlier" ] }, "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_E4677-N2609.tif", "data/cache/at/bev-als_dtm_E4677-N2610.tif", "data/cache/at/bev-als_dtm_E4678-N2609.tif", "data/cache/at/bev-als_dtm_E4678-N2610.tif", "data/cache/at/bev-als_dtm_E4679-N2610.tif", "data/cache/at/bev-als_dtm_E4679-N2611.tif" ], "calculated_at": "2026-09-12T01:26:27+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": "texture-at-at-260912", "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": [ "E4677-N2609", "E4677-N2610", "E4678-N2609", "E4678-N2610", "E4679-N2610", "E4679-N2611" ], "elevation_blocks": [ "N2600000E4650000@2022-09-15" ], "climb_origin": "discovered", "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Eisenkappel-Vellach", "county": "K\u00e4rnten", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }