{ "ocl_version": "0.1.0", "name": "Discovered lane (47.3317, 12.9104)", "slug": "discovered-lane-47-3317-12-9104", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 32.78409976222747, "diagnostic": true, "flags": [], "start_distance_m": 672.0, "end_distance_m": 674.0, "start_elevation_m": 1836.4744711148724, "end_elevation_m": 1837.130153110117, "min_gradient_pct": -5.283205974274097 }, { "window_m": 3.0, "max_gradient_pct": 31.40747261343222, "diagnostic": true, "flags": [], "start_distance_m": 672.0, "end_distance_m": 675.0, "start_elevation_m": 1836.4744711148724, "end_elevation_m": 1837.4166952932753, "min_gradient_pct": -2.144507816683472 }, { "window_m": 5.0, "max_gradient_pct": 30.0161198582191, "diagnostic": false, "flags": [], "start_distance_m": 671.0, "end_distance_m": 676.0, "start_elevation_m": 1836.2043577448885, "end_elevation_m": 1837.7051637377995, "min_gradient_pct": -0.5335081526118302 }, { "window_m": 10.0, "max_gradient_pct": 28.593811382997956, "diagnostic": false, "flags": [], "start_distance_m": 667.0, "end_distance_m": 677.0, "start_elevation_m": 1835.1043613310894, "end_elevation_m": 1837.9637424693892, "min_gradient_pct": 0.6479978506217776 }, { "window_m": 20.0, "max_gradient_pct": 25.214931432298044, "diagnostic": false, "flags": [], "start_distance_m": 663.0, "end_distance_m": 683.0, "start_elevation_m": 1834.2496050214017, "end_elevation_m": 1839.2925913078614, "min_gradient_pct": 3.9707649423417024 }, { "window_m": 25.0, "max_gradient_pct": 24.578771232510917, "diagnostic": false, "flags": [], "start_distance_m": 665.0, "end_distance_m": 690.0, "start_elevation_m": 1834.6849522376162, "end_elevation_m": 1840.829645045744, "min_gradient_pct": 4.915915321471402 }, { "window_m": 50.0, "max_gradient_pct": 23.155858658415127, "diagnostic": false, "flags": [], "start_distance_m": 640.0, "end_distance_m": 690.0, "start_elevation_m": 1829.2517157165364, "end_elevation_m": 1840.829645045744, "min_gradient_pct": 6.071093493918397 }, { "window_m": 100.0, "max_gradient_pct": 20.541480988473268, "diagnostic": false, "flags": [], "start_distance_m": 608.0, "end_distance_m": 708.0, "start_elevation_m": 1823.753388688889, "end_elevation_m": 1844.2948696773622, "min_gradient_pct": 8.230807047085818 } ], "shape": { "ascent_concentration": 0.343, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 272.0, "shape_class": "sustained" }, "length_m": 1086.4460744599771, "start_elevation_m": 1743.6324973091428, "end_elevation_m": 1894.417484412146, "endpoint_gain_m": 150.78498710300323, "overall_gradient_pct": 13.878736427664077, "accumulated_ascent_m": 151.02120623189626, "window_maxima": { "max_5m": { "gradient_pct": 30.0161198582191, "start_distance_m": 671.0, "end_distance_m": 676.0, "midpoint_distance_m": 673.5, "start_elevation_m": 1836.2043577448885, "end_elevation_m": 1837.7051637377995, "start_xy": [ 4541898.531134788, 2695671.162002153 ], "end_xy": [ 4541901.7341525685, 2695675.0004228787 ] }, "max_10m": { "gradient_pct": 28.593811382997956, "start_distance_m": 667.0, "end_distance_m": 677.0, "midpoint_distance_m": 672.0, "start_elevation_m": 1835.1043613310894, "end_elevation_m": 1837.9637424693892, "start_xy": [ 4541895.963224184, 2695668.0951089547 ], "end_xy": [ 4541902.22537497, 2695675.8710572077 ] }, "max_20m": { "gradient_pct": 25.214931432298044, "start_distance_m": 663.0, "end_distance_m": 683.0, "midpoint_distance_m": 673.0, "start_elevation_m": 1834.2496050214017, "end_elevation_m": 1839.2925913078614, "start_xy": [ 4541893.395901791, 2695665.0277237906 ], "end_xy": [ 4541904.596270741, 2695681.382758329 ] }, "max_25m": { "gradient_pct": 24.578771232510917, "start_distance_m": 665.0, "end_distance_m": 690.0, "midpoint_distance_m": 677.5, "start_elevation_m": 1834.6849522376162, "end_elevation_m": 1840.829645045744, "start_xy": [ 4541894.679583916, 2695666.561399163 ], "end_xy": [ 4541907.36237254, 2695687.8130515544 ] }, "max_50m": { "gradient_pct": 23.155858658415127, "start_distance_m": 640.0, "end_distance_m": 690.0, "midpoint_distance_m": 665.0, "start_elevation_m": 1829.2517157165364, "end_elevation_m": 1840.829645045744, "start_xy": [ 4541877.089287567, 2695648.884673233 ], "end_xy": [ 4541907.36237254, 2695687.8130515544 ] }, "max_100m": { "gradient_pct": 20.541480988473268, "start_distance_m": 608.0, "end_distance_m": 708.0, "midpoint_distance_m": 658.0, "start_elevation_m": 1823.753388688889, "end_elevation_m": 1844.2948696773622, "start_xy": [ 4541853.098144822, 2695627.9696099767 ], "end_xy": [ 4541918.7256430825, 2695701.6449497812 ] } }, "window_minima": { "min_5m": { "gradient_pct": -0.5335081526118302, "start_distance_m": 30.0, "end_distance_m": 35.0, "midpoint_distance_m": 32.5, "start_elevation_m": 1745.8892076021718, "end_elevation_m": 1745.8625321945412, "start_xy": [ 4541522.384581712, 2695454.6465561 ], "end_xy": [ 4541519.140733471, 2695450.9949973808 ] }, "min_10m": { "gradient_pct": 0.6479978506217776, "start_distance_m": 28.0, "end_distance_m": 38.0, "midpoint_distance_m": 33.0, "start_elevation_m": 1745.8179473053553, "end_elevation_m": 1745.8827470904175, "start_xy": [ 4541523.974479398, 2695455.8599088243 ], "end_xy": [ 4541517.9068290135, 2695448.2605005614 ] }, "min_20m": { "gradient_pct": 3.9707649423417024, "start_distance_m": 21.0, "end_distance_m": 41.0, "midpoint_distance_m": 31.0, "start_elevation_m": 1745.2723766209442, "end_elevation_m": 1746.0665296094126, "start_xy": [ 4541529.539332836, 2695460.106366077 ], "end_xy": [ 4541516.947206933, 2695445.4953336525 ] }, "min_25m": { "gradient_pct": 4.915915321471402, "start_distance_m": 27.0, "end_distance_m": 52.0, "midpoint_distance_m": 39.5, "start_elevation_m": 1745.794904574419, "end_elevation_m": 1747.0238834047868, "start_xy": [ 4541524.769498753, 2695456.466492759 ], "end_xy": [ 4541522.365537365, 2695436.172303545 ] }, "min_50m": { "gradient_pct": 6.071093493918397, "start_distance_m": 6.0, "end_distance_m": 56.0, "midpoint_distance_m": 31.0, "start_elevation_m": 1744.3196816388697, "end_elevation_m": 1747.355228385829, "start_xy": [ 4541544.21005505, 2695462.328542448 ], "end_xy": [ 4541525.439809559, 2695433.6737227403 ] }, "min_100m": { "gradient_pct": 8.230807047085818, "start_distance_m": 225.0, "end_distance_m": 325.0, "midpoint_distance_m": 275.0, "start_elevation_m": 1767.1207887521375, "end_elevation_m": 1775.3515957992233, "start_xy": [ 4541678.623857675, 2695411.264684422 ], "end_xy": [ 4541712.359606253, 2695488.927149971 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 32.78409976222747, "start_distance_m": 672.0, "end_distance_m": 674.0, "midpoint_distance_m": 673.0, "start_elevation_m": 1836.4744711148724, "end_elevation_m": 1837.130153110117, "start_xy": [ 4541899.172989424, 2695671.9288284867 ], "end_xy": [ 4541900.456721477, 2695673.462462074 ] }, "max_3m": { "gradient_pct": 31.40747261343222, "start_distance_m": 672.0, "end_distance_m": 675.0, "midpoint_distance_m": 673.5, "start_elevation_m": 1836.4744711148724, "end_elevation_m": 1837.4166952932753, "start_xy": [ 4541899.172989424, 2695671.9288284867 ], "end_xy": [ 4541901.099045392, 2695674.2288953518 ] } }, "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": 0.13, "flagged_windows_m": [] }, "review": [], "extent": [ "may_start_earlier", "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "8f4becd2ed8ab26772f5cd961ca7d1d0c2823252", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:8c94015b54267da4", "python": "3.14.4", "numpy": "2.5.3", "rasterio": "1.5.1", "pyproj": "3.8.0", "laspy": "2.7.0", "shapely": "2.1.2", "pyosmium": "4.3.1", "libosmium": "2.23.1", "gdal": "3.12.4", "proj": "9.8.1", "run_id": "remeasure-valley-260921-at", "road_pbf": "batch-austria-chunk000.pbf", "region_key": "austria", "crs": "EPSG:3035", "elevation_provider_key": "bev-als", "tile_index": "cog-grid", "authority": "gip", "registry_pbf": "austria-2026-09-11.osm.pbf", "tile_index_snapshot": "sha256:b8dc649d37698355" }, "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_E4541-N2695@20220915.tif", "data/cache/at/bev-als_dtm_E4541-N2696@20220915.tif" ], "calculated_at": "2026-09-22T00:05:00+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "output/valley-260921/at/batch-austria-chunk000.pbf", "osm_snapshot": "", "run_id": "remeasure-valley-260921-at", "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": [ "E4541-N2695", "E4541-N2696" ], "elevation_blocks": [ "N2650000E4500000@2022-09-15" ], "bev_dsm_release": { "N2650000E4500000": "20220915" }, "route_base_cut_m": 294.0, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list and no mapped way runs along it; own decks unmasked", "prior_doc": { "slug": "discovered-lane-47-3317-12-9104", "calculated_at": "2026-09-12T23:58:19+00:00", "code_git_sha": null, "analysis_version": "0.1.0", "run_id": "at-run4-260912", "path": "/root/uk-climbs/output/valley-260921/at/priors/discovered-lane-47-3317-12-9104/discovered-lane-47-3317-12-9104.json", "spans": 0, "sources": [] }, "carriageway": { "stations": 49, "stations_resolved": 49, "width_median_m": 3.75, "width_p10_m": 2.25, "width_min_m": 2.0, "width_max_m": 8.75, "bounded_share": 0.306, "unbounded_share": 0.694, "confidence_median": 0.0, "width_median_bounded_m": 3.5, "window_m": [ 665.0, 690.0 ], "width_at_max25_m": 3.25, "window_stations": 6, "single_track": false, "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule", "status": "ok", "source": "dtm", "station_m": 25.0, "window_station_m": 5.0, "halfwidth_m": 6.0, "step_m": 0.25, "level_tol_m": 0.12, "break_min_m": 0.3, "stations_failed": 0, "hedge_to_hedge": { "stations": 49, "stations_resolved": 49, "width_median_m": 7.5, "width_p10_m": 5.25, "width_min_m": 4.25, "width_max_m": 12.0, "bounded_share": 0.551, "unbounded_share": 0.449, "confidence_median": 0.898, "width_median_bounded_m": 6.0, "window_m": [ 665.0, 690.0 ], "width_at_max25_m": 7.88, "window_stations": 6, "status": "ok", "source": "dsm", "station_m": 25.0, "window_station_m": 5.0, "halfwidth_m": 6.0, "step_m": 0.25, "level_tol_m": 0.5, "break_min_m": 0.3, "stations_failed": 0 } }, "remeasured": { "on": "2026-09-22", "why": "valley-crossing extent re-measure 2026-09-22: low-to-summit (294.0 m -> 1382.0 m)", "published_max25_pct": 24.57, "max25_pct": 24.58 }, "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Bruck an der Gro\u00dfglocknerstra\u00dfe", "county": "Salzburg", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }