{ "ocl_version": "0.1.0", "name": "Discovered lane (42.9823, 0.7928)", "slug": "discovered-lane-42-9823-0-7928", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 39.67379171771199, "diagnostic": true, "flags": [ "structure_excluded_min" ], "start_distance_m": 459.0, "end_distance_m": 461.0, "start_elevation_m": 536.6873112255821, "end_elevation_m": 537.4807870599363, "min_gradient_pct": -0.43179760075418017, "suppressed_min_gradient_pct": -1.3456977723450336, "suppressed_min_location_m": [ 5.0, 7.0 ] }, { "window_m": 3.0, "max_gradient_pct": 34.263526117873276, "diagnostic": true, "flags": [ "structure_excluded_min" ], "start_distance_m": 458.0, "end_distance_m": 461.0, "start_elevation_m": 536.4528812764001, "end_elevation_m": 537.4807870599363, "min_gradient_pct": -0.3460500694965655, "suppressed_min_gradient_pct": -0.7030949775507148, "suppressed_min_location_m": [ 4.0, 7.0 ] }, { "window_m": 5.0, "max_gradient_pct": 28.426085759510897, "diagnostic": false, "flags": [ "structure_excluded_min" ], "start_distance_m": 449.0, "end_distance_m": 454.0, "start_elevation_m": 534.4580753749934, "end_elevation_m": 535.879379662969, "min_gradient_pct": 0.73835188078192, "suppressed_min_gradient_pct": -0.19719325935511733, "suppressed_min_location_m": [ 2.0, 7.0 ] }, { "window_m": 10.0, "max_gradient_pct": 24.688909432625223, "diagnostic": false, "flags": [ "structure_excluded_min" ], "start_distance_m": 451.0, "end_distance_m": 461.0, "start_elevation_m": 535.0118961166738, "end_elevation_m": 537.4807870599363, "min_gradient_pct": 4.637949261823451, "suppressed_min_gradient_pct": 1.971930941432447, "suppressed_min_location_m": [ 0.0, 10.0 ] }, { "window_m": 20.0, "max_gradient_pct": 22.531429135809162, "diagnostic": false, "flags": [ "structure_excluded_min" ], "start_distance_m": 441.0, "end_distance_m": 461.0, "start_elevation_m": 532.9745012327745, "end_elevation_m": 537.4807870599363, "min_gradient_pct": 5.456279557936341, "suppressed_min_gradient_pct": 4.770290986215855, "suppressed_min_location_m": [ 0.0, 20.0 ] }, { "window_m": 25.0, "max_gradient_pct": 22.706998715204918, "diagnostic": false, "flags": [ "structure_excluded_min" ], "start_distance_m": 437.0, "end_distance_m": 462.0, "start_elevation_m": 532.0030570124322, "end_elevation_m": 537.6798066912335, "min_gradient_pct": 5.737150350447564, "suppressed_min_gradient_pct": 5.315234602800729, "suppressed_min_location_m": [ 0.0, 25.0 ] }, { "window_m": 50.0, "max_gradient_pct": 20.33157947675636, "diagnostic": false, "flags": [], "start_distance_m": 439.0, "end_distance_m": 489.0, "start_elevation_m": 532.3433583528197, "end_elevation_m": 542.5091480911979, "min_gradient_pct": 7.315601054271951 }, { "window_m": 100.0, "max_gradient_pct": 19.774093377466784, "diagnostic": false, "flags": [], "start_distance_m": 435.0, "end_distance_m": 535.0, "start_elevation_m": 531.7786450742541, "end_elevation_m": 551.5527384517209, "min_gradient_pct": 9.126680928067003 } ], "shape": { "ascent_concentration": 0.347, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 125.0, "shape_class": "sustained" }, "length_m": 538.3461518528574, "start_elevation_m": 481.78351691796905, "end_elevation_m": 551.8525802831964, "endpoint_gain_m": 70.06906336522735, "overall_gradient_pct": 13.01561516211578, "accumulated_ascent_m": 70.10635882275915, "window_maxima": { "max_5m": { "gradient_pct": 28.426085759510897, "start_distance_m": 449.0, "end_distance_m": 454.0, "midpoint_distance_m": 451.5, "start_elevation_m": 534.4580753749934, "end_elevation_m": 535.879379662969, "start_xy": [ 519972.1513337164, 6211708.0869441135 ], "end_xy": [ 519976.7712888013, 6211706.174873243 ] }, "max_10m": { "gradient_pct": 24.688909432625223, "start_distance_m": 451.0, "end_distance_m": 461.0, "midpoint_distance_m": 456.0, "start_elevation_m": 535.0118961166738, "end_elevation_m": 537.4807870599363, "start_xy": [ 519973.9993157503, 6211707.322115765 ], "end_xy": [ 519983.23922592006, 6211703.497974024 ] }, "max_20m": { "gradient_pct": 22.531429135809162, "start_distance_m": 441.0, "end_distance_m": 461.0, "midpoint_distance_m": 451.0, "start_elevation_m": 532.9745012327745, "end_elevation_m": 537.4807870599363, "start_xy": [ 519966.08445554075, 6211712.826190891 ], "end_xy": [ 519983.23922592006, 6211703.497974024 ] }, "max_25m": { "gradient_pct": 22.706998715204918, "start_distance_m": 437.0, "end_distance_m": 462.0, "midpoint_distance_m": 449.5, "start_elevation_m": 532.0030570124322, "end_elevation_m": 537.6798066912335, "start_xy": [ 519964.5595085624, 6211716.375992582 ], "end_xy": [ 519984.16321693704, 6211703.11555985 ] }, "max_50m": { "gradient_pct": 20.33157947675636, "start_distance_m": 439.0, "end_distance_m": 489.0, "midpoint_distance_m": 464.0, "start_elevation_m": 532.3433583528197, "end_elevation_m": 542.5091480911979, "start_xy": [ 519964.910185134, 6211714.445168658 ], "end_xy": [ 520009.2394108306, 6211693.148651929 ] }, "max_100m": { "gradient_pct": 19.774093377466784, "start_distance_m": 435.0, "end_distance_m": 535.0, "midpoint_distance_m": 485.0, "start_elevation_m": 531.7786450742541, "end_elevation_m": 551.5527384517209, "start_xy": [ 519964.3670027749, 6211718.366706405 ], "end_xy": [ 520054.2787110539, 6211684.033381824 ] } }, "window_minima": { "min_5m": { "gradient_pct": 0.73835188078192, "start_distance_m": 223.0, "end_distance_m": 228.0, "midpoint_distance_m": 225.5, "start_elevation_m": 508.0375366534179, "end_elevation_m": 508.07445424745697, "start_xy": [ 519838.443196284, 6211747.463924041 ], "end_xy": [ 519834.1456140244, 6211744.908383644 ] }, "min_10m": { "gradient_pct": 4.637949261823451, "start_distance_m": 218.0, "end_distance_m": 228.0, "midpoint_distance_m": 223.0, "start_elevation_m": 507.6106593212746, "end_elevation_m": 508.07445424745697, "start_xy": [ 519842.8354060609, 6211749.844744702 ], "end_xy": [ 519834.1456140244, 6211744.908383644 ] }, "min_20m": { "gradient_pct": 5.456279557936341, "start_distance_m": 208.0, "end_distance_m": 228.0, "midpoint_distance_m": 218.0, "start_elevation_m": 506.9831983358697, "end_elevation_m": 508.07445424745697, "start_xy": [ 519851.8124596183, 6211754.250707642 ], "end_xy": [ 519834.1456140244, 6211744.908383644 ] }, "min_25m": { "gradient_pct": 5.737150350447564, "start_distance_m": 203.0, "end_distance_m": 228.0, "midpoint_distance_m": 215.5, "start_elevation_m": 506.6401666598451, "end_elevation_m": 508.07445424745697, "start_xy": [ 519856.300986397, 6211756.453689112 ], "end_xy": [ 519834.1456140244, 6211744.908383644 ] }, "min_50m": { "gradient_pct": 7.315601054271951, "start_distance_m": 178.0, "end_distance_m": 228.0, "midpoint_distance_m": 203.0, "start_elevation_m": 504.416653720321, "end_elevation_m": 508.07445424745697, "start_xy": [ 519877.8987704082, 6211768.364531483 ], "end_xy": [ 519834.1456140244, 6211744.908383644 ] }, "min_100m": { "gradient_pct": 9.126680928067003, "start_distance_m": 141.0, "end_distance_m": 241.0, "midpoint_distance_m": 191.0, "start_elevation_m": 500.6672564736906, "end_elevation_m": 509.7939374017576, "start_xy": [ 519872.9303335067, 6211803.221680264 ], "end_xy": [ 519830.0140863198, 6211734.200569638 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 39.67379171771199, "start_distance_m": 459.0, "end_distance_m": 461.0, "midpoint_distance_m": 460.0, "start_elevation_m": 536.6873112255821, "end_elevation_m": 537.4807870599363, "start_xy": [ 519981.3912438861, 6211704.262802373 ], "end_xy": [ 519983.23922592006, 6211703.497974024 ] }, "max_3m": { "gradient_pct": 34.263526117873276, "start_distance_m": 458.0, "end_distance_m": 461.0, "midpoint_distance_m": 459.5, "start_elevation_m": 536.4528812764001, "end_elevation_m": 537.4807870599363, "start_xy": [ 519980.46725286916, 6211704.645216547 ], "end_xy": [ 519983.23922592006, 6211703.497974024 ] } }, "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": 0.039, "windows_resited": [], "windows_unresolved": [], "minima_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0 ], "minima_unresolved": [] }, "excluded_ranges_m": [ [ 0.0, 20.0 ] ], "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "06fa4c370391597f015858e97dcf01ca2f5b3640", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:0048c2bbb24ab95e", "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": "fr-pyr2", "road_pbf": "block-batch-fr-pyr2.osm.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:c54ac68b3f57b41b" }, "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_E519-N6211_0m5@21LHD1HR1-2025-04-18.tif", "data/cache/fr/ign-lidarhd_dtm_E520-N6211_0m5@21LHD1HR1-2025-04-18.tif" ], "calculated_at": "2026-09-20T06:09:29+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr2.osm.pbf", "osm_snapshot": "", "run_id": "fr-pyr2", "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": [ "E519-N6211", "E520-N6211" ], "elevation_blocks": [ "21LHD1HR1@2025-04-18" ], "ign_dalles": [ "LHD_FXX_0519_6212_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0520_6212_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD1HR1" ], "ign_editions": [ "2025-04-18" ], "ign_dsm_edition": { "LHD_FXX_0519_6212_MNT_O_0M50_LAMB93_IGN69": "2025-04-18", "LHD_FXX_0520_6212_MNT_O_0M50_LAMB93_IGN69": "2025-04-18" }, "climb_origin": "discovered", "canopy_check": "unavailable \u2014 surface model missing: data/cache/fr/ign-lidarhd_dsm_E520-N6211_0m5@21LHD1HR1-2025-04-18.raw.tif: No such file or directory", "structure_own_ways": 1, "structure_mask_ranges_m": [ [ 0.0, 15.0 ] ], "carriageway": { "stations": 28, "stations_resolved": 28, "width_median_m": 5.38, "width_p10_m": 2.42, "width_min_m": 1.25, "width_max_m": 10.25, "bounded_share": 0.25, "unbounded_share": 0.75, "confidence_median": 0.0, "width_median_bounded_m": 5.5, "window_m": [ 437.0, 462.0 ], "width_at_max25_m": 5.5, "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": { "status": "unavailable \u2014 no DSM raster (surface model absent or point-cloud only, which cannot serve off-line samples)" } }, "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Sengouagnet", "county": "Haute-Garonne", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }