{ "ocl_version": "0.1.0", "name": "Lane near Finnset", "slug": "discovered-lane-69-1436-18-2734", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 25.703117162967715, "diagnostic": true, "flags": [], "start_distance_m": 387.0, "end_distance_m": 389.0, "start_elevation_m": 402.8231028736534, "end_elevation_m": 403.33716521691275, "min_gradient_pct": -16.348508338947454 }, { "window_m": 3.0, "max_gradient_pct": 25.089605829814825, "diagnostic": true, "flags": [], "start_distance_m": 387.0, "end_distance_m": 390.0, "start_elevation_m": 402.8231028736534, "end_elevation_m": 403.57579104854784, "min_gradient_pct": -16.02689618798081 }, { "window_m": 5.0, "max_gradient_pct": 23.63290891563679, "diagnostic": false, "flags": [], "start_distance_m": 385.0, "end_distance_m": 390.0, "start_elevation_m": 402.394145602766, "end_elevation_m": 403.57579104854784, "min_gradient_pct": -15.327153420686273 }, { "window_m": 10.0, "max_gradient_pct": 22.589211764448578, "diagnostic": false, "flags": [], "start_distance_m": 431.0, "end_distance_m": 441.0, "start_elevation_m": 409.3779829299179, "end_elevation_m": 411.63690410636275, "min_gradient_pct": -14.121553871078731 }, { "window_m": 20.0, "max_gradient_pct": 21.22138174385384, "diagnostic": false, "flags": [], "start_distance_m": 431.0, "end_distance_m": 451.0, "start_elevation_m": 409.3779829299179, "end_elevation_m": 413.62225927868866, "min_gradient_pct": -10.8639601399193 }, { "window_m": 25.0, "max_gradient_pct": 20.856997927077828, "diagnostic": false, "flags": [], "start_distance_m": 428.0, "end_distance_m": 453.0, "start_elevation_m": 408.83300856686185, "end_elevation_m": 414.0472580486313, "min_gradient_pct": -8.703138755130567 }, { "window_m": 50.0, "max_gradient_pct": 16.278404555599423, "diagnostic": false, "flags": [], "start_distance_m": 11.0, "end_distance_m": 61.0, "start_elevation_m": 364.9343159790015, "end_elevation_m": 373.0735182568012, "min_gradient_pct": -1.9448692649750683 }, { "window_m": 100.0, "max_gradient_pct": 15.429813130830212, "diagnostic": false, "flags": [], "start_distance_m": 353.0, "end_distance_m": 453.0, "start_elevation_m": 398.6174449178011, "end_elevation_m": 414.0472580486313, "min_gradient_pct": 3.0972796916325933 } ], "shape": { "ascent_concentration": 0.318, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 87.0, "shape_class": "sustained" }, "length_m": 453.98020152238445, "start_elevation_m": 363.5318752708391, "end_elevation_m": 414.2455613911615, "endpoint_gain_m": 50.71368612032239, "overall_gradient_pct": 11.170902596689967, "accumulated_ascent_m": 52.98158723696815, "window_maxima": { "max_5m": { "gradient_pct": 23.63290891563679, "start_distance_m": 385.0, "end_distance_m": 390.0, "midpoint_distance_m": 387.5, "start_elevation_m": 402.394145602766, "end_elevation_m": 403.57579104854784, "start_xy": [ 630024.4295994025, 7673967.765013885 ], "end_xy": [ 630026.4264338114, 7673972.31570183 ] }, "max_10m": { "gradient_pct": 22.589211764448578, "start_distance_m": 431.0, "end_distance_m": 441.0, "midpoint_distance_m": 436.0, "start_elevation_m": 409.3779829299179, "end_elevation_m": 411.63690410636275, "start_xy": [ 630063.9722475973, 7673988.244402961 ], "end_xy": [ 630070.4013867389, 7673995.8672852935 ] }, "max_20m": { "gradient_pct": 21.22138174385384, "start_distance_m": 431.0, "end_distance_m": 451.0, "midpoint_distance_m": 441.0, "start_elevation_m": 409.3779829299179, "end_elevation_m": 413.62225927868866, "start_xy": [ 630063.9722475973, 7673988.244402961 ], "end_xy": [ 630078.5438131049, 7674001.412196831 ] }, "max_25m": { "gradient_pct": 20.856997927077828, "start_distance_m": 428.0, "end_distance_m": 453.0, "midpoint_distance_m": 440.5, "start_elevation_m": 408.83300856686185, "end_elevation_m": 414.0472580486313, "start_xy": [ 630061.3611962099, 7673986.7682809625 ], "end_xy": [ 630080.4149529417, 7674002.117386169 ] }, "max_50m": { "gradient_pct": 16.278404555599423, "start_distance_m": 11.0, "end_distance_m": 61.0, "midpoint_distance_m": 36.0, "start_elevation_m": 364.9343159790015, "end_elevation_m": 373.0735182568012, "start_xy": [ 629984.5861056647, 7673622.77278974 ], "end_xy": [ 629969.167877042, 7673670.134378784 ] }, "max_100m": { "gradient_pct": 15.429813130830212, "start_distance_m": 353.0, "end_distance_m": 453.0, "midpoint_distance_m": 403.0, "start_elevation_m": 398.6174449178011, "end_elevation_m": 414.0472580486313, "start_xy": [ 630033.1919196964, 7673937.990016209 ], "end_xy": [ 630080.4149529417, 7674002.117386169 ] } }, "window_minima": { "min_5m": { "gradient_pct": -15.327153420686273, "start_distance_m": 185.0, "end_distance_m": 190.0, "midpoint_distance_m": 187.5, "start_elevation_m": 386.2256086592774, "end_elevation_m": 385.45925098824307, "start_xy": [ 629967.1539636281, 7673791.337397909 ], "end_xy": [ 629970.7193397958, 7673794.841456587 ] }, "min_10m": { "gradient_pct": -14.121553871078731, "start_distance_m": 179.0, "end_distance_m": 189.0, "midpoint_distance_m": 184.0, "start_elevation_m": 387.0153505595076, "end_elevation_m": 385.60319517239975, "start_xy": [ 629964.0366495764, 7673786.295663612 ], "end_xy": [ 629970.0062645623, 7673794.140644852 ] }, "min_20m": { "gradient_pct": -10.8639601399193, "start_distance_m": 176.0, "end_distance_m": 196.0, "midpoint_distance_m": 186.0, "start_elevation_m": 387.2287764115631, "end_elevation_m": 385.05598438357924, "start_xy": [ 629963.1582457697, 7673783.446569217 ], "end_xy": [ 629975.1123112827, 7673798.920208276 ] }, "min_25m": { "gradient_pct": -8.703138755130567, "start_distance_m": 174.0, "end_distance_m": 199.0, "midpoint_distance_m": 186.5, "start_elevation_m": 387.2133742024401, "end_elevation_m": 385.03758951365745, "start_xy": [ 629962.7178286148, 7673781.496060043 ], "end_xy": [ 629977.410742671, 7673800.847313382 ] }, "min_50m": { "gradient_pct": -1.9448692649750683, "start_distance_m": 169.0, "end_distance_m": 219.0, "midpoint_distance_m": 194.0, "start_elevation_m": 386.9298276582051, "end_elevation_m": 385.9573930257176, "start_xy": [ 629961.6167857274, 7673776.619787105 ], "end_xy": [ 629991.9772634112, 7673814.502605699 ] }, "min_100m": { "gradient_pct": 3.0972796916325933, "start_distance_m": 172.0, "end_distance_m": 272.0, "midpoint_distance_m": 222.0, "start_elevation_m": 387.16727510595007, "end_elevation_m": 390.26455479758266, "start_xy": [ 629962.2774114598, 7673779.545550868 ], "end_xy": [ 630010.8979095771, 7673861.389043435 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 25.703117162967715, "start_distance_m": 387.0, "end_distance_m": 389.0, "midpoint_distance_m": 388.0, "start_elevation_m": 402.8231028736534, "end_elevation_m": 403.33716521691275, "start_xy": [ 630025.2026398539, 7673969.609156879 ], "end_xy": [ 630025.9756803055, 7673971.453299872 ] }, "max_3m": { "gradient_pct": 25.089605829814825, "start_distance_m": 387.0, "end_distance_m": 390.0, "midpoint_distance_m": 388.5, "start_elevation_m": 402.8231028736534, "end_elevation_m": 403.57579104854784, "start_xy": [ 630025.2026398539, 7673969.609156879 ], "end_xy": [ 630026.4264338114, 7673972.31570183 ] } }, "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": 0.02, "obstruction_max_height_m": 7.52, "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": "368c60c29e47d4b421849c953b172a04f7694146", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:8c94015b54267da4", "python": "3.14.4", "numpy": "2.5.3", "rasterio": "1.5.2", "pyproj": "3.8.0", "laspy": "2.7.0", "shapely": "2.1.2", "pyosmium": "4.3.1", "libosmium": "2.23.1", "gdal": "3.12.2", "proj": "9.8.1", "run_id": "no-b19", "road_pbf": "no-b19-block-batch-no-b19.osm.pbf", "region_key": "norway", "crs": "EPSG:25833", "elevation_provider_key": "nhm-no", "tile_index": "nhm-window", "authority": "nvdb", "registry_pbf": "norway-2026-10-01.osm.pbf" }, "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 ], "scale_correction": "point", "scale_correction_crs": "EPSG:25833", "elevation_crs": "EPSG:25833", "elevation_resolution_m": 1.0, "elevation_tiles": [ "data/cache/no/nhm-no_dtm_E629500-N7673500_1m.tif", "data/cache/no/nhm-no_dtm_E629500-N7674000_1m.tif", "data/cache/no/nhm-no_dtm_E630000-N7673500_1m.tif", "data/cache/no/nhm-no_dtm_E630000-N7674000_1m.tif" ], "calculated_at": "2026-10-04T01:26:20+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/no-b19-block-batch-no-b19.osm.pbf", "osm_snapshot": "", "run_id": "no-b19", "elevation_provider": "Kartverket NHM DTM 1 m (laser-covered ground only)", "elevation_licence": "CC BY 4.0 \u2014 \u00a9 Kartverket (https://www.kartverket.no/api-og-data/vilkar-for-bruk)", "elevation_dataset": "Nasjonal h\u00f8ydemodell (NHM) DTM, 1 m, EPSG:25833, NN2000 (Kartverket), served by the hoydedata.no ImageServer; ground without a laser project is a coarser resampled product and is never measured", "elevation_vertical_datum": "NN2000", "elevation_tile_ids": [ "E629500-N7673500", "E629500-N7674000", "E630000-N7673500", "E630000-N7674000" ], "elevation_blocks": [ "nhm-dtm-1m" ], "nhm_laser_projects": [ { "last_flight_date": "2017-07-23", "name": "NDH M\u00e5lselv 2pkt 2017", "points_per_m2": 2, "resolution_m": 0.5, "season": "", "year": 2017 } ], "nhm_last_flight_date": "2017-07-23", "nhm_retrieved_at": "2026-10-04T00:42:14Z", "nhm_note": "laser projects overlapping the route's cells; the mosaic draws on them by its own priority and which project supplied which pixel is not recorded", "climb_origin": "discovered", "seam_filled_samples": { "count": 0, "distances_m": [] }, "seam_filled_in_maximum": false, "structure_own_ways": 1, "tunnel_check": "osm tunnel=* ways on 1 own way(s)", "tunnel_ranges_m": [], "underground_fraction": 0.0, "carriageway": { "stations": 25, "stations_resolved": 25, "width_median_m": 5.0, "width_p10_m": 3.35, "width_min_m": 2.75, "width_max_m": 12.0, "bounded_share": 0.28, "unbounded_share": 0.72, "confidence_median": 0.0, "width_median_bounded_m": 4.5, "window_m": [ 428.0, 453.0 ], "width_at_max25_m": 3.75, "window_stations": 7, "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": 25, "stations_resolved": 25, "width_median_m": 7.75, "width_p10_m": 5.2, "width_min_m": 3.25, "width_max_m": 12.0, "bounded_share": 0.44, "unbounded_share": 0.56, "confidence_median": 0.0, "width_median_bounded_m": 6.0, "window_m": [ 428.0, 453.0 ], "width_at_max25_m": 6.5, "window_stations": 7, "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 } }, "naming_note": "birth-named at adoption (nearest OSM village/hamlet/locality node ('Finnset'))", "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "S\u00f8rreisa", "county": "Troms", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }