{ "ocl_version": "0.1.0", "name": "Discovered lane (43.5512, -0.4380)", "slug": "discovered-lane-43-5512-0-4380", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 30.56587654994871, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 268.0, "end_distance_m": 270.0, "start_elevation_m": 198.39529404775806, "end_elevation_m": 199.00661157875703, "min_gradient_pct": -24.552268279319378 }, { "window_m": 3.0, "max_gradient_pct": 29.769828775625722, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 267.0, "end_distance_m": 270.0, "start_elevation_m": 198.11351671548826, "end_elevation_m": 199.00661157875703, "min_gradient_pct": -15.32213046214205 }, { "window_m": 5.0, "max_gradient_pct": 27.021113662223684, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 268.0, "end_distance_m": 273.0, "start_elevation_m": 198.39529404775806, "end_elevation_m": 199.74634973086924, "min_gradient_pct": -8.06362814078284 }, { "window_m": 10.0, "max_gradient_pct": 25.226926282352053, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 267.0, "end_distance_m": 277.0, "start_elevation_m": 198.11351671548826, "end_elevation_m": 200.63620934372346, "min_gradient_pct": -4.235525912427249 }, { "window_m": 20.0, "max_gradient_pct": 23.374732270674627, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 260.0, "end_distance_m": 280.0, "start_elevation_m": 196.6578708025138, "end_elevation_m": 201.33281725664872, "min_gradient_pct": -2.2741015605608084 }, { "window_m": 25.0, "max_gradient_pct": 22.69234540960747, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 260.0, "end_distance_m": 285.0, "start_elevation_m": 196.6578708025138, "end_elevation_m": 202.33095715491567, "min_gradient_pct": -1.739630546834178 }, { "window_m": 50.0, "max_gradient_pct": 20.21054015844578, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 258.0, "end_distance_m": 308.0, "start_elevation_m": 196.32456333719938, "end_elevation_m": 206.42983341642227, "min_gradient_pct": -1.2295807035845883 }, { "window_m": 100.0, "max_gradient_pct": 19.652902792612252, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 238.0, "end_distance_m": 338.0, "start_elevation_m": 192.96948699678913, "end_elevation_m": 212.62238978940138, "min_gradient_pct": -0.7513092001267978 } ], "shape": { "ascent_concentration": 0.703, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 151.0, "shape_class": "stinger" }, "length_m": 965.5550420040902, "start_elevation_m": 185.5533600833353, "end_elevation_m": 227.26081823815372, "endpoint_gain_m": 41.707458154818426, "overall_gradient_pct": 4.319531910708178, "accumulated_ascent_m": 47.40979781401063, "window_maxima": { "max_5m": { "gradient_pct": 27.021113662223684, "start_distance_m": 268.0, "end_distance_m": 273.0, "midpoint_distance_m": 270.5, "start_elevation_m": 198.39529404775806, "end_elevation_m": 199.74634973086924, "start_xy": [ 422245.6486387046, 6278498.877030295 ], "end_xy": [ 422248.11679585377, 6278494.528675319 ] }, "max_10m": { "gradient_pct": 25.226926282352053, "start_distance_m": 267.0, "end_distance_m": 277.0, "midpoint_distance_m": 272.0, "start_elevation_m": 198.11351671548826, "end_elevation_m": 200.63620934372346, "start_xy": [ 422245.1555334145, 6278499.746999857 ], "end_xy": [ 422250.09078829444, 6278491.049688631 ] }, "max_20m": { "gradient_pct": 23.374732270674627, "start_distance_m": 260.0, "end_distance_m": 280.0, "midpoint_distance_m": 270.0, "start_elevation_m": 196.6578708025138, "end_elevation_m": 201.33281725664872, "start_xy": [ 422241.7006538361, 6278505.835003677 ], "end_xy": [ 422251.5717087555, 6278488.440690431 ] }, "max_25m": { "gradient_pct": 22.69234540960747, "start_distance_m": 260.0, "end_distance_m": 285.0, "midpoint_distance_m": 272.5, "start_elevation_m": 196.6578708025138, "end_elevation_m": 202.33095715491567, "start_xy": [ 422241.7006538361, 6278505.835003677 ], "end_xy": [ 422254.0374682539, 6278484.090976868 ] }, "max_50m": { "gradient_pct": 20.21054015844578, "start_distance_m": 258.0, "end_distance_m": 308.0, "midpoint_distance_m": 283.0, "start_elevation_m": 196.32456333719938, "end_elevation_m": 206.42983341642227, "start_xy": [ 422240.71383868204, 6278507.574599892 ], "end_xy": [ 422265.3455229245, 6278464.062801896 ] }, "max_100m": { "gradient_pct": 19.652902792612252, "start_distance_m": 238.0, "end_distance_m": 338.0, "midpoint_distance_m": 288.0, "start_elevation_m": 192.96948699678913, "end_elevation_m": 212.62238978940138, "start_xy": [ 422225.5969417631, 6278520.041069789 ], "end_xy": [ 422280.7533547203, 6278438.32305496 ] } }, "window_minima": { "min_5m": { "gradient_pct": -8.06362814078284, "start_distance_m": 771.0, "end_distance_m": 776.0, "midpoint_distance_m": 773.5, "start_elevation_m": 224.52057105142012, "end_elevation_m": 224.11738964438098, "start_xy": [ 422504.2685261376, 6278067.472770593 ], "end_xy": [ 422506.8496417051, 6278063.190500114 ] }, "min_10m": { "gradient_pct": -4.235525912427249, "start_distance_m": 507.0, "end_distance_m": 517.0, "midpoint_distance_m": 512.0, "start_elevation_m": 220.11998148994002, "end_elevation_m": 219.6964288986973, "start_xy": [ 422367.99134091154, 6278293.580077868 ], "end_xy": [ 422373.1536064498, 6278285.0155586675 ] }, "min_20m": { "gradient_pct": -2.2741015605608084, "start_distance_m": 765.0, "end_distance_m": 785.0, "midpoint_distance_m": 775.0, "start_elevation_m": 224.4865254666691, "end_elevation_m": 224.03170515455693, "start_xy": [ 422501.17152296175, 6278072.611697328 ], "end_xy": [ 422511.4952746297, 6278055.482187823 ] }, "min_25m": { "gradient_pct": -1.739630546834178, "start_distance_m": 765.0, "end_distance_m": 790.0, "midpoint_distance_m": 777.5, "start_elevation_m": 224.4865254666691, "end_elevation_m": 224.05161782996055, "start_xy": [ 422501.17152296175, 6278072.611697328 ], "end_xy": [ 422514.0764247988, 6278051.199938706 ] }, "min_50m": { "gradient_pct": -1.2295807035845883, "start_distance_m": 102.0, "end_distance_m": 152.0, "midpoint_distance_m": 127.0, "start_elevation_m": 186.33917078493405, "end_elevation_m": 185.72438043314176, "start_xy": [ 422143.91820610024, 6278576.544940317 ], "end_xy": [ 422151.342180492, 6278527.099172308 ] }, "min_100m": { "gradient_pct": -0.7513092001267978, "start_distance_m": 69.0, "end_distance_m": 169.0, "midpoint_distance_m": 119.0, "start_elevation_m": 186.48379818618798, "end_elevation_m": 185.73248898606118, "start_xy": [ 422138.32943434163, 6278609.066880307 ], "end_xy": [ 422160.8650192221, 6278513.6259608865 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 30.56587654994871, "start_distance_m": 268.0, "end_distance_m": 270.0, "midpoint_distance_m": 269.0, "start_elevation_m": 198.39529404775806, "end_elevation_m": 199.00661157875703, "start_xy": [ 422245.6486387046, 6278498.877030295 ], "end_xy": [ 422246.6358160044, 6278497.137639831 ] }, "max_3m": { "gradient_pct": 29.769828775625722, "start_distance_m": 267.0, "end_distance_m": 270.0, "midpoint_distance_m": 268.5, "start_elevation_m": 198.11351671548826, "end_elevation_m": 199.00661157875703, "start_xy": [ 422245.1555334145, 6278499.746999857 ], "end_xy": [ 422246.6358160044, 6278497.137639831 ] } }, "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": 0.118, "obstruction_max_height_m": 20.29, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25, 50, 100 ] }, "review": [], "extent": [] }, "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-fr", "road_pbf": "batch-france-chunk000.pbf", "region_key": "france", "crs": "EPSG:2154", "elevation_provider_key": "ign-lidarhd", "tile_index": "wms-grid", "authority": "bdtopo", "registry_pbf": "france-vosges-2026-09-16.osm.pbf", "tile_index_snapshot": "sha256:a4e9504bebbc9ba8" }, "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:2154", "elevation_resolution_m": 0.5, "elevation_tiles": [ "data/cache/fr/ign-lidarhd_dtm_E422-N6277_0m5@21LHD1FQ-2025-09-15.tif", "data/cache/fr/ign-lidarhd_dtm_E422-N6278_0m5@21LHD1FQ-2025-09-15.tif" ], "calculated_at": "2026-09-22T00:12:16+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "output/valley-260921/fr/batch-france-chunk000.pbf", "osm_snapshot": "", "run_id": "remeasure-valley-260921-fr", "elevation_provider": "IGN LiDAR HD MNT 0.5 m", "elevation_licence": "Licence Ouverte / Open Licence 2.0 (Etalab) \u2014 \u00a9 IGN, LiDAR HD (MNT/MNS), data.geopf.fr; reproduction autoris\u00e9e avec mention de la source et de la date", "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69", "elevation_vertical_datum": "IGN69", "elevation_tile_ids": [ "E422-N6277", "E422-N6278" ], "elevation_blocks": [ "21LHD1FQ@2025-09-15" ], "ign_dalles": [ "LHD_FXX_0422_6278_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0422_6279_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD1FQ" ], "ign_editions": [ "2025-09-15" ], "ign_dsm_edition": { "LHD_FXX_0422_6278_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0422_6279_MNT_O_0M50_LAMB93_IGN69": "2025-09-15" }, "route_base_cut_m": 237.0, "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-43-5512-0-4380", "calculated_at": "2026-09-20T06:27:44+00:00", "code_git_sha": "06fa4c370391", "analysis_version": "0.1.0", "run_id": "fr-pyr1", "path": "/root/uk-climbs/output/valley-260921/fr/priors/discovered-lane-43-5512-0-4380/discovered-lane-43-5512-0-4380.json", "spans": 0, "sources": [] }, "carriageway": { "stations": 44, "stations_resolved": 44, "width_median_m": 5.75, "width_p10_m": 2.58, "width_min_m": 1.0, "width_max_m": 10.0, "bounded_share": 0.159, "unbounded_share": 0.841, "confidence_median": 0.0, "width_median_bounded_m": 3.5, "window_m": [ 260.0, 285.0 ], "width_at_max25_m": 4.38, "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": 44, "stations_resolved": 44, "width_median_m": 8.38, "width_p10_m": 2.08, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.432, "unbounded_share": 0.568, "confidence_median": 0.0, "width_median_bounded_m": 3.5, "window_m": [ 260.0, 285.0 ], "width_at_max25_m": 2.38, "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 (237.0 m -> 1203.0 m)", "published_max25_pct": 22.69, "max25_pct": 22.69 }, "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Philondenx", "county": "Landes", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }