{ "ocl_version": "0.1.0", "name": "Garvald to Redstone Rig", "slug": "discovered-lane-55-9006-2-6102", "confidence": "U", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 54.57185101316071, "diagnostic": true, "flags": [ "canopy_or_structure", "structure_excluded" ], "start_distance_m": 1618.0, "end_distance_m": 1620.0, "start_elevation_m": 210.22377449434558, "end_elevation_m": 211.3152115146088, "min_gradient_pct": -35.095902881460006, "suppressed_max_gradient_pct": 61.10024619670469, "suppressed_location_m": [ 38.0, 40.0 ] }, { "window_m": 3.0, "max_gradient_pct": 46.22279540372366, "diagnostic": true, "flags": [ "canopy_or_structure", "structure_excluded" ], "start_distance_m": 1618.0, "end_distance_m": 1621.0, "start_elevation_m": 210.22377449434558, "end_elevation_m": 211.6104583564573, "min_gradient_pct": -32.94304646506134, "suppressed_max_gradient_pct": 60.741358853037276, "suppressed_location_m": [ 39.0, 42.0 ] }, { "window_m": 5.0, "max_gradient_pct": 39.460830370469466, "diagnostic": false, "flags": [ "canopy_or_structure", "structure_excluded" ], "start_distance_m": 1618.0, "end_distance_m": 1623.0, "start_elevation_m": 210.22377449434558, "end_elevation_m": 212.19681601286905, "min_gradient_pct": -28.130914252267303, "suppressed_max_gradient_pct": 52.62745572349843, "suppressed_location_m": [ 38.0, 43.0 ] }, { "window_m": 10.0, "max_gradient_pct": 27.253133522765438, "diagnostic": false, "flags": [ "canopy_or_structure", "structure_excluded" ], "start_distance_m": 1613.0, "end_distance_m": 1623.0, "start_elevation_m": 209.4715026605925, "end_elevation_m": 212.19681601286905, "min_gradient_pct": -21.457632452331268, "suppressed_max_gradient_pct": 41.2497693672006, "suppressed_location_m": [ 33.0, 43.0 ] }, { "window_m": 20.0, "max_gradient_pct": 21.01921954483217, "diagnostic": false, "flags": [ "canopy_or_structure", "structure_excluded" ], "start_distance_m": 1603.0, "end_distance_m": 1623.0, "start_elevation_m": 207.99297210390262, "end_elevation_m": 212.19681601286905, "min_gradient_pct": -18.374318639519913, "suppressed_max_gradient_pct": 32.89178105941829, "suppressed_location_m": [ 30.0, 50.0 ] }, { "window_m": 25.0, "max_gradient_pct": 19.806500602412598, "diagnostic": false, "flags": [ "canopy_or_structure", "structure_excluded" ], "start_distance_m": 1598.0, "end_distance_m": 1623.0, "start_elevation_m": 207.2451908622659, "end_elevation_m": 212.19681601286905, "min_gradient_pct": -17.56242839092397, "suppressed_max_gradient_pct": 28.434498751796582, "suppressed_location_m": [ 25.0, 50.0 ] }, { "window_m": 50.0, "max_gradient_pct": 15.642824080941693, "diagnostic": false, "flags": [ "canopy_or_structure", "structure_excluded" ], "start_distance_m": 1577.0, "end_distance_m": 1627.0, "start_elevation_m": 204.62350531217254, "end_elevation_m": 212.4449173526434, "min_gradient_pct": -15.34610899857023, "suppressed_max_gradient_pct": 18.64223076434581, "suppressed_location_m": [ 2.0, 52.0 ] }, { "window_m": 100.0, "max_gradient_pct": 13.885633509014015, "diagnostic": false, "flags": [ "canopy_or_structure", "structure_excluded", "no_bench_excluded" ], "start_distance_m": 1541.0, "end_distance_m": 1641.0, "start_elevation_m": 199.13662731409565, "end_elevation_m": 213.02226082310966, "min_gradient_pct": -12.943386577236966, "suppressed_max_gradient_pct": 15.261834201174679, "suppressed_location_m": [ 1425.0, 1525.0 ] } ], "shape": { "ascent_concentration": 0.402, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 166.0, "shape_class": "sustained" }, "length_m": 12977.633355948134, "start_elevation_m": 129.28850204467824, "end_elevation_m": 422.35815871618826, "endpoint_gain_m": 293.06965667151, "overall_gradient_pct": 2.2582673483928044, "accumulated_ascent_m": 511.1814748880969, "window_maxima": { "max_5m": { "gradient_pct": 39.460830370469466, "start_distance_m": 1618.0, "end_distance_m": 1623.0, "midpoint_distance_m": 1620.5, "start_elevation_m": 210.22377449434558, "end_elevation_m": 212.19681601286905, "start_xy": [ 359869.83374407655, 669766.7828967029 ], "end_xy": [ 359871.80609384767, 669762.1883525056 ] }, "max_10m": { "gradient_pct": 27.253133522765438, "start_distance_m": 1613.0, "end_distance_m": 1623.0, "midpoint_distance_m": 1618.0, "start_elevation_m": 209.4715026605925, "end_elevation_m": 212.19681601286905, "start_xy": [ 359867.8613943054, 669771.3774409001 ], "end_xy": [ 359871.80609384767, 669762.1883525056 ] }, "max_20m": { "gradient_pct": 21.01921954483217, "start_distance_m": 1603.0, "end_distance_m": 1623.0, "midpoint_distance_m": 1613.0, "start_elevation_m": 207.99297210390262, "end_elevation_m": 212.19681601286905, "start_xy": [ 359858.53592385876, 669772.4271586739 ], "end_xy": [ 359871.80609384767, 669762.1883525056 ] }, "max_25m": { "gradient_pct": 19.806500602412598, "start_distance_m": 1598.0, "end_distance_m": 1623.0, "midpoint_distance_m": 1610.5, "start_elevation_m": 207.2451908622659, "end_elevation_m": 212.19681601286905, "start_xy": [ 359853.53594552324, 669772.4418775218 ], "end_xy": [ 359871.80609384767, 669762.1883525056 ] }, "max_50m": { "gradient_pct": 15.642824080941693, "start_distance_m": 1577.0, "end_distance_m": 1627.0, "midpoint_distance_m": 1602.0, "start_elevation_m": 204.62350531217254, "end_elevation_m": 212.4449173526434, "start_xy": [ 359832.53603651415, 669772.5036966829 ], "end_xy": [ 359873.38397366455, 669758.5127171478 ] }, "max_100m": { "gradient_pct": 13.885633509014015, "start_distance_m": 1541.0, "end_distance_m": 1641.0, "midpoint_distance_m": 1591.0, "start_elevation_m": 199.13662731409565, "end_elevation_m": 213.02226082310966, "start_xy": [ 359798.1288810861, 669763.9180632156 ], "end_xy": [ 359878.9065530236, 669745.6479933956 ] } }, "window_minima": { "min_5m": { "gradient_pct": -28.130914252267303, "start_distance_m": 6676.0, "end_distance_m": 6681.0, "midpoint_distance_m": 6678.5, "start_elevation_m": 283.6226407942476, "end_elevation_m": 282.21609508163425, "start_xy": [ 363026.9410542387, 666203.5004147161 ], "end_xy": [ 363029.7955249837, 666199.3952963541 ] }, "min_10m": { "gradient_pct": -21.457632452331268, "start_distance_m": 6675.0, "end_distance_m": 6685.0, "midpoint_distance_m": 6680.0, "start_elevation_m": 283.76570103530963, "end_elevation_m": 281.6199377900765, "start_xy": [ 363026.3701600897, 666204.3214383884 ], "end_xy": [ 363032.07910157973, 666196.1112016644 ] }, "min_20m": { "gradient_pct": -18.374318639519913, "start_distance_m": 7521.0, "end_distance_m": 7541.0, "midpoint_distance_m": 7531.0, "start_elevation_m": 268.61410053040584, "end_elevation_m": 264.93923680250185, "start_xy": [ 363680.4093918144, 665679.2514724979 ], "end_xy": [ 363698.8258405707, 665671.563454554 ] }, "min_25m": { "gradient_pct": -17.56242839092397, "start_distance_m": 7516.0, "end_distance_m": 7541.0, "midpoint_distance_m": 7528.5, "start_elevation_m": 269.32984390023285, "end_elevation_m": 264.93923680250185, "start_xy": [ 363677.35771827423, 665683.212190691 ], "end_xy": [ 363698.8258405707, 665671.563454554 ] }, "min_50m": { "gradient_pct": -15.34610899857023, "start_distance_m": 7512.0, "end_distance_m": 7562.0, "midpoint_distance_m": 7537.0, "start_elevation_m": 269.86721965633325, "end_elevation_m": 262.19416515704813, "start_xy": [ 363674.9163794421, 665686.3807652454 ], "end_xy": [ 363719.31418842694, 665667.3273991821 ] }, "min_100m": { "gradient_pct": -12.943386577236966, "start_distance_m": 1217.0, "end_distance_m": 1317.0, "midpoint_distance_m": 1267.0, "start_elevation_m": 192.2874704646202, "end_elevation_m": 179.34408388738325, "start_xy": [ 359606.95280243433, 669972.484936787 ], "end_xy": [ 359683.3159403773, 669908.497728605 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 54.57185101316071, "start_distance_m": 1618.0, "end_distance_m": 1620.0, "midpoint_distance_m": 1619.0, "start_elevation_m": 210.22377449434558, "end_elevation_m": 211.3152115146088, "start_xy": [ 359869.83374407655, 669766.7828967029 ], "end_xy": [ 359870.622683985, 669764.945079024 ] }, "max_3m": { "gradient_pct": 46.22279540372366, "start_distance_m": 1618.0, "end_distance_m": 1621.0, "midpoint_distance_m": 1619.5, "start_elevation_m": 210.22377449434558, "end_elevation_m": 211.6104583564573, "start_xy": [ 359869.83374407655, 669766.7828967029 ], "end_xy": [ 359871.01715393923, 669764.0261701845 ] } }, "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": 0.134, "obstruction_max_height_m": 42.88, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25, 50, 100 ] }, "structure_suppression": { "masked_fraction": 0.001, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [] }, "no_bench_suppression": { "masked_fraction": 0.003, "windows_resited": [ 100.0 ], "windows_unresolved": [] }, "excluded_ranges_m": [ [ 37.0, 44.0 ], [ 1510.0, 1540.0 ] ], "review": [ "short_window_divergence" ], "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:27700", "elevation_resolution_m": 0.5, "elevation_tiles": [ "data/cache/scotland/phase-3/dtm/NT66SW.tif", "data/cache/scotland/phase-3/dtm/NT56NE.tif", "data/cache/scotland/phase-3/dtm/NT66NW.tif", "data/cache/scotland/phase-3/dtm/NT57SE.tif" ], "calculated_at": "2026-08-18T18:39:27+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/scotland-2026-08-14-roads.osm.pbf", "osm_snapshot": "2026-08-13T20:21:01Z", "elevation_provider": "Scottish Remote Sensing Portal (AWS Open Data, srsp-open-data)", "elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Scottish Government, SEPA and partners; Crown copyright", "elevation_dataset": "Scottish Public Sector LiDAR Phase 3 50cm", "elevation_tile_ids": [ "NT66SW", "NT56NE", "NT66NW", "NT57SE" ], "climb_origin": "discovered", "notes": "Coarse pass: max 13.7% over 200 m (Terrain 50), gain 139.7 m over 8979 m way. EXTENDED by graph walk: +0 segment(s) at base, +3 at top (stop: base=no_descending_continuation, top=no_ascending_continuation; min_avg=2.0%). Review before adopting. DEDUPE: absorbed 2 overlapping proposal(s): discovered-lane-55-8705-2-6041, discovered-lane-55-9265-2-6501 ADOPTED (Scotland launch 2026-08-18): big-gain. AUTO-NAMED from gazetteer (hypothesis, unreviewed): was 'Discovered lane (55.9006, -2.6102)'.", "naming_note": "auto-named from gazetteer (hypothesis, unreviewed); discovered as 'Discovered lane (55.9006, -2.6102)'" }, "area": { "place": "Rough Cleugh", "county": "East Lothian" } }