{ "ocl_version": "0.1.0", "name": "Rue de l'Argenti\u00e8re", "slug": "rue-de-l-argentiere", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 26.706126671147956, "diagnostic": true, "flags": [], "start_distance_m": 806.0, "end_distance_m": 808.0, "start_elevation_m": 232.2802181726923, "end_elevation_m": 232.81434070611525, "min_gradient_pct": -8.603288853180402 }, { "window_m": 3.0, "max_gradient_pct": 26.59214120642351, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 801.0, "end_distance_m": 804.0, "start_elevation_m": 230.97978439715146, "end_elevation_m": 231.77754863334417, "min_gradient_pct": -7.9615716391752285 }, { "window_m": 5.0, "max_gradient_pct": 26.413679367670397, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 800.0, "end_distance_m": 805.0, "start_elevation_m": 230.71622496463294, "end_elevation_m": 232.03690893301646, "min_gradient_pct": -6.399302684034751 }, { "window_m": 10.0, "max_gradient_pct": 26.147871961462386, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 798.0, "end_distance_m": 808.0, "start_elevation_m": 230.199553509969, "end_elevation_m": 232.81434070611525, "min_gradient_pct": -3.9473294329144437 }, { "window_m": 20.0, "max_gradient_pct": 25.2113493040099, "diagnostic": false, "flags": [], "start_distance_m": 791.0, "end_distance_m": 811.0, "start_elevation_m": 228.52974465240777, "end_elevation_m": 233.57201451320975, "min_gradient_pct": -1.3763079850639315 }, { "window_m": 25.0, "max_gradient_pct": 25.03586925241109, "diagnostic": false, "flags": [], "start_distance_m": 787.0, "end_distance_m": 812.0, "start_elevation_m": 227.55232086116416, "end_elevation_m": 233.81128817426693, "min_gradient_pct": -0.31643084932079546 }, { "window_m": 50.0, "max_gradient_pct": 24.391962707475273, "diagnostic": false, "flags": [], "start_distance_m": 767.0, "end_distance_m": 817.0, "start_elevation_m": 222.71945753129665, "end_elevation_m": 234.9154388850343, "min_gradient_pct": 0.66709520881966 }, { "window_m": 100.0, "max_gradient_pct": 22.06019375692918, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 754.0, "end_distance_m": 854.0, "start_elevation_m": 220.2481974640553, "end_elevation_m": 242.30839122098448, "min_gradient_pct": 1.766880348152199 } ], "shape": { "ascent_concentration": 0.451, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 230.0, "shape_class": "stepped" }, "length_m": 1078.0000000000703, "start_elevation_m": 160.55411465137243, "end_elevation_m": 261.4785269159398, "endpoint_gain_m": 100.9244122645674, "overall_gradient_pct": 9.362190377046458, "accumulated_ascent_m": 101.54072606840316, "window_maxima": { "max_5m": { "gradient_pct": 26.413679367670397, "start_distance_m": 800.0, "end_distance_m": 805.0, "midpoint_distance_m": 802.5, "start_elevation_m": 230.71622496463294, "end_elevation_m": 232.03690893301646, "start_xy": [ 845427.8199954062, 6496013.410717874 ], "end_xy": [ 845427.7040505027, 6496018.409373371 ] }, "max_10m": { "gradient_pct": 26.147871961462386, "start_distance_m": 798.0, "end_distance_m": 808.0, "midpoint_distance_m": 803.0, "start_elevation_m": 230.199553509969, "end_elevation_m": 232.81434070611525, "start_xy": [ 845427.8663733676, 6496011.411255674 ], "end_xy": [ 845427.6344835607, 6496021.408566669 ] }, "max_20m": { "gradient_pct": 25.2113493040099, "start_distance_m": 791.0, "end_distance_m": 811.0, "midpoint_distance_m": 801.0, "start_elevation_m": 228.52974465240777, "end_elevation_m": 233.57201451320975, "start_xy": [ 845428.0286962325, 6496004.413137979 ], "end_xy": [ 845427.5649166185, 6496024.407759967 ] }, "max_25m": { "gradient_pct": 25.03586925241109, "start_distance_m": 787.0, "end_distance_m": 812.0, "midpoint_distance_m": 799.5, "start_elevation_m": 227.55232086116416, "end_elevation_m": 233.81128817426693, "start_xy": [ 845428.1214521552, 6496000.414213581 ], "end_xy": [ 845427.5417276379, 6496025.4074910665 ] }, "max_50m": { "gradient_pct": 24.391962707475273, "start_distance_m": 767.0, "end_distance_m": 817.0, "midpoint_distance_m": 792.0, "start_elevation_m": 222.71945753129665, "end_elevation_m": 234.9154388850343, "start_xy": [ 845427.5890644082, 6495980.423174005 ], "end_xy": [ 845427.4257827344, 6496030.406146564 ] }, "max_100m": { "gradient_pct": 22.06019375692918, "start_distance_m": 754.0, "end_distance_m": 854.0, "midpoint_distance_m": 804.0, "start_elevation_m": 220.2481974640553, "end_elevation_m": 242.30839122098448, "start_xy": [ 845427.512886596, 6495967.4306054 ], "end_xy": [ 845424.8808359451, 6496067.283178127 ] } }, "window_minima": { "min_5m": { "gradient_pct": -6.399302684034751, "start_distance_m": 357.0, "end_distance_m": 362.0, "midpoint_distance_m": 359.5, "start_elevation_m": 184.7895031410437, "end_elevation_m": 184.46953800684196, "start_xy": [ 845516.6942394784, 6495645.619965787 ], "end_xy": [ 845520.846313815, 6495648.401547222 ] }, "min_10m": { "gradient_pct": -3.9473294329144437, "start_distance_m": 355.0, "end_distance_m": 365.0, "midpoint_distance_m": 360.0, "start_elevation_m": 184.81283038193587, "end_elevation_m": 184.41809743864442, "start_xy": [ 845515.0623261833, 6495644.463739599 ], "end_xy": [ 845523.4119544509, 6495649.956374586 ] }, "min_20m": { "gradient_pct": -1.3763079850639315, "start_distance_m": 347.0, "end_distance_m": 367.0, "midpoint_distance_m": 357.0, "start_elevation_m": 184.68028082088986, "end_elevation_m": 184.40501922387708, "start_xy": [ 845508.5346730031, 6495639.838834848 ], "end_xy": [ 845525.0402656852, 6495651.010566547 ] }, "min_25m": { "gradient_pct": -0.31643084932079546, "start_distance_m": 342.0, "end_distance_m": 367.0, "midpoint_distance_m": 354.5, "start_elevation_m": 184.48412693620728, "end_elevation_m": 184.40501922387708, "start_xy": [ 845504.4335457098, 6495636.980037815 ], "end_xy": [ 845525.0402656852, 6495651.010566547 ] }, "min_50m": { "gradient_pct": 0.66709520881966, "start_distance_m": 989.0, "end_distance_m": 1039.0, "midpoint_distance_m": 1014.0, "start_elevation_m": 260.0552075390801, "end_elevation_m": 260.3887551434899, "start_xy": [ 845449.5281295978, 6496196.355529329 ], "end_xy": [ 845444.6406949202, 6496246.083997213 ] }, "min_100m": { "gradient_pct": 1.766880348152199, "start_distance_m": 978.0, "end_distance_m": 1078.0, "midpoint_distance_m": 1028.0, "start_elevation_m": 259.7116465677876, "end_elevation_m": 261.4785269159398, "start_xy": [ 845451.3319154778, 6496185.504430006 ], "end_xy": [ 845443.1847165106, 6496285.028402952 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 26.706126671147956, "start_distance_m": 806.0, "end_distance_m": 808.0, "midpoint_distance_m": 807.0, "start_elevation_m": 232.2802181726923, "end_elevation_m": 232.81434070611525, "start_xy": [ 845427.680861522, 6496019.40910447 ], "end_xy": [ 845427.6344835607, 6496021.408566669 ] }, "max_3m": { "gradient_pct": 26.59214120642351, "start_distance_m": 801.0, "end_distance_m": 804.0, "midpoint_distance_m": 802.5, "start_elevation_m": 230.97978439715146, "end_elevation_m": 231.77754863334417, "start_xy": [ 845427.7968064256, 6496014.410448973 ], "end_xy": [ 845427.7272394834, 6496017.409642271 ] } }, "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": 0.082, "obstruction_max_height_m": 13.36, "flagged_windows_m": [ 3, 5, 10, 100 ] }, "review": [], "extent": [] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "076a8e7f889cfb3c2cf6b3de65a6030c7155b1f0", "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": "fr-mc8", "road_pbf": "block-batch-fr-mc8.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:af4eae1f5df9e232" }, "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_E845-N6495_0m5@21LHD6OL-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E845-N6496_0m5@21LHD6OL-2025-02-20.tif" ], "calculated_at": "2026-09-22T15:54:20+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc8.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc8", "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": [ "E845-N6495", "E845-N6496" ], "elevation_blocks": [ "21LHD6OL@2025-02-20" ], "ign_dalles": [ "LHD_FXX_0845_6496_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0845_6497_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD6OL" ], "ign_editions": [ "2025-02-20" ], "ign_dsm_edition": { "LHD_FXX_0845_6496_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0845_6497_MNT_O_0M50_LAMB93_IGN69": "2025-02-20" }, "route_summit_trim_m": 157.6, "route_summit_trim_loss_m": 6.3, "climb_origin": "discovered", "structure_own_ways": 9, "carriageway": { "stations": 50, "stations_resolved": 50, "width_median_m": 6.62, "width_p10_m": 3.48, "width_min_m": 2.75, "width_max_m": 12.0, "bounded_share": 0.18, "unbounded_share": 0.82, "confidence_median": 0.0, "width_median_bounded_m": 3.5, "window_m": [ 787.0, 812.0 ], "width_at_max25_m": 3.5, "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": { "stations": 50, "stations_resolved": 50, "width_median_m": 6.5, "width_p10_m": 1.0, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.58, "unbounded_share": 0.42, "confidence_median": 1.0, "width_median_bounded_m": 3.75, "window_m": [ 787.0, 812.0 ], "width_at_max25_m": 1.0, "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 } }, "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Seyssuel", "county": "Rh\u00f4ne", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }