{ "ocl_version": "0.1.0", "name": "Rue de Beaupeyras", "slug": "rue-de-beaupeyras", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 26.53431002484865, "diagnostic": true, "flags": [], "start_distance_m": 361.0, "end_distance_m": 363.0, "start_elevation_m": 443.23487845453315, "end_elevation_m": 443.7655646550301, "min_gradient_pct": 1.2476780697454615 }, { "window_m": 3.0, "max_gradient_pct": 26.25570856568326, "diagnostic": true, "flags": [], "start_distance_m": 361.0, "end_distance_m": 364.0, "start_elevation_m": 443.23487845453315, "end_elevation_m": 444.02254971150364, "min_gradient_pct": 1.4798496931670495 }, { "window_m": 5.0, "max_gradient_pct": 25.856974247733433, "diagnostic": false, "flags": [], "start_distance_m": 360.0, "end_distance_m": 365.0, "start_elevation_m": 442.98475812511674, "end_elevation_m": 444.2776068375034, "min_gradient_pct": 1.6942407034377993 }, { "window_m": 10.0, "max_gradient_pct": 25.443652892430464, "diagnostic": false, "flags": [], "start_distance_m": 359.0, "end_distance_m": 369.0, "start_elevation_m": 442.7425044464115, "end_elevation_m": 445.28686973565453, "min_gradient_pct": 2.578819563997854 }, { "window_m": 20.0, "max_gradient_pct": 24.595704006225958, "diagnostic": false, "flags": [], "start_distance_m": 349.0, "end_distance_m": 369.0, "start_elevation_m": 440.36772893440934, "end_elevation_m": 445.28686973565453, "min_gradient_pct": 3.6486862224850825 }, { "window_m": 25.0, "max_gradient_pct": 24.375090371431043, "diagnostic": false, "flags": [], "start_distance_m": 344.0, "end_distance_m": 369.0, "start_elevation_m": 439.1930971427968, "end_elevation_m": 445.28686973565453, "min_gradient_pct": 4.056124563977846 }, { "window_m": 50.0, "max_gradient_pct": 22.219038574268893, "diagnostic": false, "flags": [], "start_distance_m": 320.0, "end_distance_m": 370.0, "start_elevation_m": 434.39174807253687, "end_elevation_m": 445.5012673596713, "min_gradient_pct": 5.103058898567383 }, { "window_m": 100.0, "max_gradient_pct": 19.26330707187134, "diagnostic": false, "flags": [], "start_distance_m": 270.0, "end_distance_m": 370.0, "start_elevation_m": 426.2379602878, "end_elevation_m": 445.5012673596713, "min_gradient_pct": 6.210205362600561 } ], "shape": { "ascent_concentration": 0.42, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 231.0, "shape_class": "sustained" }, "length_m": 491.80802574440725, "start_elevation_m": 400.62535223729566, "end_elevation_m": 454.65756574317106, "endpoint_gain_m": 54.032213505875404, "overall_gradient_pct": 10.986444034558305, "accumulated_ascent_m": 54.032213505875404, "window_maxima": { "max_5m": { "gradient_pct": 25.856974247733433, "start_distance_m": 360.0, "end_distance_m": 365.0, "midpoint_distance_m": 362.5, "start_elevation_m": 442.98475812511674, "end_elevation_m": 444.2776068375034, "start_xy": [ 706293.1851127028, 6522083.0760903675 ], "end_xy": [ 706291.6270112528, 6522087.827123926 ] }, "max_10m": { "gradient_pct": 25.443652892430464, "start_distance_m": 359.0, "end_distance_m": 369.0, "midpoint_distance_m": 364.0, "start_elevation_m": 442.7425044464115, "end_elevation_m": 445.28686973565453, "start_xy": [ 706293.4967329928, 6522082.125883657 ], "end_xy": [ 706290.3805300927, 6522091.627950773 ] }, "max_20m": { "gradient_pct": 24.595704006225958, "start_distance_m": 349.0, "end_distance_m": 369.0, "midpoint_distance_m": 359.0, "start_elevation_m": 440.36772893440934, "end_elevation_m": 445.28686973565453, "start_xy": [ 706296.6129358929, 6522072.6238165395 ], "end_xy": [ 706290.3805300927, 6522091.627950773 ] }, "max_25m": { "gradient_pct": 24.375090371431043, "start_distance_m": 344.0, "end_distance_m": 369.0, "midpoint_distance_m": 356.5, "start_elevation_m": 439.1930971427968, "end_elevation_m": 445.28686973565453, "start_xy": [ 706298.1710373429, 6522067.872782982 ], "end_xy": [ 706290.3805300927, 6522091.627950773 ] }, "max_50m": { "gradient_pct": 22.219038574268893, "start_distance_m": 320.0, "end_distance_m": 370.0, "midpoint_distance_m": 345.0, "start_elevation_m": 434.39174807253687, "end_elevation_m": 445.5012673596713, "start_xy": [ 706306.1633187355, 6522045.276581508 ], "end_xy": [ 706290.0689098027, 6522092.5781574845 ] }, "max_100m": { "gradient_pct": 19.26330707187134, "start_distance_m": 270.0, "end_distance_m": 370.0, "midpoint_distance_m": 320.0, "start_elevation_m": 426.2379602878, "end_elevation_m": 445.5012673596713, "start_xy": [ 706338.5416725517, 6522008.198882326 ], "end_xy": [ 706290.0689098027, 6522092.5781574845 ] } }, "window_minima": { "min_5m": { "gradient_pct": 1.6942407034377993, "start_distance_m": 442.0, "end_distance_m": 447.0, "midpoint_distance_m": 444.5, "start_elevation_m": 452.070028065923, "end_elevation_m": 452.1547401010949, "start_xy": [ 706338.2163472505, 6522146.004452887 ], "end_xy": [ 706341.5184054041, 6522149.757963411 ] }, "min_10m": { "gradient_pct": 2.578819563997854, "start_distance_m": 439.0, "end_distance_m": 449.0, "midpoint_distance_m": 444.0, "start_elevation_m": 451.9936453387217, "end_elevation_m": 452.2515272951215, "start_xy": [ 706336.1567950255, 6522143.823112787 ], "end_xy": [ 706342.8264565448, 6522151.270908291 ] }, "min_20m": { "gradient_pct": 3.6486862224850825, "start_distance_m": 471.0, "end_distance_m": 491.0, "midpoint_distance_m": 481.0, "start_elevation_m": 453.8915043624919, "end_elevation_m": 454.6212416069889, "start_xy": [ 706357.2150190936, 6522167.913301983 ], "end_xy": [ 706370.2955305016, 6522183.0427507935 ] }, "min_25m": { "gradient_pct": 4.056124563977846, "start_distance_m": 466.0, "end_distance_m": 491.0, "midpoint_distance_m": 478.5, "start_elevation_m": 453.60721046599446, "end_elevation_m": 454.6212416069889, "start_xy": [ 706353.9448912416, 6522164.130939781 ], "end_xy": [ 706370.2955305016, 6522183.0427507935 ] }, "min_50m": { "gradient_pct": 5.103058898567383, "start_distance_m": 439.0, "end_distance_m": 489.0, "midpoint_distance_m": 464.0, "start_elevation_m": 451.9936453387217, "end_elevation_m": 454.5451747880054, "start_xy": [ 706336.1567950255, 6522143.823112787 ], "end_xy": [ 706368.9874793609, 6522181.529805913 ] }, "min_100m": { "gradient_pct": 6.210205362600561, "start_distance_m": 391.0, "end_distance_m": 491.0, "midpoint_distance_m": 441.0, "start_elevation_m": 448.41103624438836, "end_elevation_m": 454.6212416069889, "start_xy": [ 706303.7514822154, 6522108.415524744 ], "end_xy": [ 706370.2955305016, 6522183.0427507935 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 26.53431002484865, "start_distance_m": 361.0, "end_distance_m": 363.0, "midpoint_distance_m": 362.0, "start_elevation_m": 443.23487845453315, "end_elevation_m": 443.7655646550301, "start_xy": [ 706292.8734924127, 6522084.026297079 ], "end_xy": [ 706292.2502518328, 6522085.926710503 ] }, "max_3m": { "gradient_pct": 26.25570856568326, "start_distance_m": 361.0, "end_distance_m": 364.0, "midpoint_distance_m": 362.5, "start_elevation_m": 443.23487845453315, "end_elevation_m": 444.02254971150364, "start_xy": [ 706292.8734924127, 6522084.026297079 ], "end_xy": [ 706291.9386315427, 6522086.876917214 ] } }, "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": 0.0, "obstruction_max_height_m": 0.0, "flagged_windows_m": [] }, "review": [], "extent": [ "may_start_earlier" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "1cc9fdcd6556a02163cb21acb2293cad3067d2a1", "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-mc4", "road_pbf": "block-batch-fr-mc4.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_E706-N6521_0m5@22LHD4LL-2025-07-24.tif", "data/cache/fr/ign-lidarhd_dtm_E706-N6522_0m5@22LHD4LL-2025-07-24.tif" ], "calculated_at": "2026-09-22T17:12:20+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc4.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc4", "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": [ "E706-N6521", "E706-N6522" ], "elevation_blocks": [ "22LHD4LL@2025-07-24" ], "ign_dalles": [ "LHD_FXX_0706_6522_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0706_6523_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD4LL" ], "ign_editions": [ "2025-07-24" ], "ign_dsm_edition": { "LHD_FXX_0706_6522_MNT_O_0M50_LAMB93_IGN69": "2025-07-24", "LHD_FXX_0706_6523_MNT_O_0M50_LAMB93_IGN69": "2025-07-24" }, "climb_origin": "discovered", "structure_own_ways": 1, "carriageway": { "stations": 26, "stations_resolved": 26, "width_median_m": 8.5, "width_p10_m": 6.62, "width_min_m": 6.25, "width_max_m": 12.0, "bounded_share": 0.192, "unbounded_share": 0.808, "confidence_median": 0.0, "width_median_bounded_m": 8.75, "window_m": [ 344.0, 369.0 ], "width_at_max25_m": 7.25, "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": 26, "stations_resolved": 26, "width_median_m": 10.0, "width_p10_m": 8.5, "width_min_m": 7.75, "width_max_m": 12.0, "bounded_share": 0.385, "unbounded_share": 0.615, "confidence_median": 0.0, "width_median_bounded_m": 9.38, "window_m": [ 344.0, 369.0 ], "width_at_max25_m": 10.0, "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": "Clermont-Ferrand", "county": "Puy-de-D\u00f4me", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }