{ "ocl_version": "0.1.0", "name": "Rue des Montagnards", "slug": "rue-des-montagnards-2", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 25.052507695016857, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 297.0, "end_distance_m": 299.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 442.24450411506854, "min_gradient_pct": -1.09113145996389, "suppressed_max_gradient_pct": 79.9673283872238, "suppressed_location_m": [ 277.0, 279.0 ], "suppressed_min_gradient_pct": -7.455832197615564, "suppressed_min_location_m": [ 268.0, 270.0 ] }, { "window_m": 3.0, "max_gradient_pct": 25.341264857504104, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 297.0, "end_distance_m": 300.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 442.5036919068933, "min_gradient_pct": -0.776160429400837, "suppressed_max_gradient_pct": 63.087603929504134, "suppressed_location_m": [ 276.0, 279.0 ], "suppressed_min_gradient_pct": -4.990449617967367, "suppressed_min_location_m": [ 268.0, 271.0 ] }, { "window_m": 5.0, "max_gradient_pct": 24.11801220411121, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 297.0, "end_distance_m": 302.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 442.94935457137376, "min_gradient_pct": 1.2940768022394877, "suppressed_max_gradient_pct": 45.649115114550796, "suppressed_location_m": [ 276.0, 281.0 ], "suppressed_min_gradient_pct": -2.766946476464227, "suppressed_min_location_m": [ 268.0, 273.0 ] }, { "window_m": 10.0, "max_gradient_pct": 23.054048836106062, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min" ], "start_distance_m": 297.0, "end_distance_m": 307.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 444.0488588447788, "min_gradient_pct": 3.138004376334038, "suppressed_max_gradient_pct": 32.83321133633649, "suppressed_location_m": [ 276.0, 286.0 ], "suppressed_min_gradient_pct": 1.536679234926055, "suppressed_min_location_m": [ 266.0, 276.0 ] }, { "window_m": 20.0, "max_gradient_pct": 21.442642619588526, "diagnostic": false, "flags": [ "structure_excluded" ], "start_distance_m": 297.0, "end_distance_m": 317.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 446.0319824850859, "min_gradient_pct": 4.242477632138275, "suppressed_max_gradient_pct": 27.148696864298927, "suppressed_location_m": [ 276.0, 296.0 ] }, { "window_m": 25.0, "max_gradient_pct": 20.841318589553794, "diagnostic": false, "flags": [ "structure_excluded" ], "start_distance_m": 297.0, "end_distance_m": 322.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 446.95378360855665, "min_gradient_pct": 4.402496673105361, "suppressed_max_gradient_pct": 26.541272490442225, "suppressed_location_m": [ 276.0, 301.0 ] }, { "window_m": 50.0, "max_gradient_pct": 18.28007349268273, "diagnostic": false, "flags": [ "structure_excluded" ], "start_distance_m": 297.0, "end_distance_m": 347.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 450.88349070750957, "min_gradient_pct": 5.113686213456731, "suppressed_max_gradient_pct": 23.129429700619653, "suppressed_location_m": [ 276.0, 326.0 ] }, { "window_m": 100.0, "max_gradient_pct": 15.96751515327071, "diagnostic": false, "flags": [ "structure_excluded" ], "start_distance_m": 904.0, "end_distance_m": 1004.0, "start_elevation_m": 513.9040514198857, "end_elevation_m": 529.8715665731564, "min_gradient_pct": 5.267422073575403, "suppressed_max_gradient_pct": 18.701991525774872, "suppressed_location_m": [ 238.0, 338.0 ] } ], "shape": { "ascent_concentration": 0.291, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 201.0, "shape_class": "sustained" }, "length_m": 1414.8772071612318, "start_elevation_m": 403.29695736884344, "end_elevation_m": 572.2484512395131, "endpoint_gain_m": 168.95149387066965, "overall_gradient_pct": 11.941071141406608, "accumulated_ascent_m": 169.1244921720907, "window_maxima": { "max_5m": { "gradient_pct": 24.11801220411121, "start_distance_m": 297.0, "end_distance_m": 302.0, "midpoint_distance_m": 299.5, "start_elevation_m": 441.7434539611682, "end_elevation_m": 442.94935457137376, "start_xy": [ 705470.5008546787, 6518408.039631477 ], "end_xy": [ 705467.4397338058, 6518404.086210299 ] }, "max_10m": { "gradient_pct": 23.054048836106062, "start_distance_m": 297.0, "end_distance_m": 307.0, "midpoint_distance_m": 302.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 444.0488588447788, "start_xy": [ 705470.5008546787, 6518408.039631477 ], "end_xy": [ 705465.0130803738, 6518399.765369593 ] }, "max_20m": { "gradient_pct": 21.442642619588526, "start_distance_m": 297.0, "end_distance_m": 317.0, "midpoint_distance_m": 307.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 446.0319824850859, "start_xy": [ 705470.5008546787, 6518408.039631477 ], "end_xy": [ 705461.7566655609, 6518390.334436918 ] }, "max_25m": { "gradient_pct": 20.841318589553794, "start_distance_m": 297.0, "end_distance_m": 322.0, "midpoint_distance_m": 309.5, "start_elevation_m": 441.7434539611682, "end_elevation_m": 446.95378360855665, "start_xy": [ 705470.5008546787, 6518408.039631477 ], "end_xy": [ 705460.4961990335, 6518385.495922255 ] }, "max_50m": { "gradient_pct": 18.28007349268273, "start_distance_m": 297.0, "end_distance_m": 347.0, "midpoint_distance_m": 322.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 450.88349070750957, "start_xy": [ 705470.5008546787, 6518408.039631477 ], "end_xy": [ 705454.5315250168, 6518361.219529824 ] }, "max_100m": { "gradient_pct": 15.96751515327071, "start_distance_m": 904.0, "end_distance_m": 1004.0, "midpoint_distance_m": 954.0, "start_elevation_m": 513.9040514198857, "end_elevation_m": 529.8715665731564, "start_xy": [ 705055.2121096404, 6517998.30359605 ], "end_xy": [ 704985.2867081424, 6517927.471900469 ] } }, "window_minima": { "min_5m": { "gradient_pct": 1.2940768022394877, "start_distance_m": 1172.0, "end_distance_m": 1177.0, "midpoint_distance_m": 1174.5, "start_elevation_m": 543.9258926840573, "end_elevation_m": 543.9905965241693, "start_xy": [ 704839.7203541566, 6517844.4964562105 ], "end_xy": [ 704835.0835463234, 6517842.634593004 ] }, "min_10m": { "gradient_pct": 3.138004376334038, "start_distance_m": 1167.0, "end_distance_m": 1177.0, "midpoint_distance_m": 1172.0, "start_elevation_m": 543.6767960865359, "end_elevation_m": 543.9905965241693, "start_xy": [ 704844.2584271957, 6517846.595478147 ], "end_xy": [ 704835.0835463234, 6517842.634593004 ] }, "min_20m": { "gradient_pct": 4.242477632138275, "start_distance_m": 1157.0, "end_distance_m": 1177.0, "midpoint_distance_m": 1167.0, "start_elevation_m": 543.1421009977416, "end_elevation_m": 543.9905965241693, "start_xy": [ 704853.3345732738, 6517850.793522021 ], "end_xy": [ 704835.0835463234, 6517842.634593004 ] }, "min_25m": { "gradient_pct": 4.402496673105361, "start_distance_m": 1152.0, "end_distance_m": 1177.0, "midpoint_distance_m": 1164.5, "start_elevation_m": 542.889972355893, "end_elevation_m": 543.9905965241693, "start_xy": [ 704857.8726463129, 6517852.8925439585 ], "end_xy": [ 704835.0835463234, 6517842.634593004 ] }, "min_50m": { "gradient_pct": 5.113686213456731, "start_distance_m": 1127.0, "end_distance_m": 1177.0, "midpoint_distance_m": 1152.0, "start_elevation_m": 541.4337534174409, "end_elevation_m": 543.9905965241693, "start_xy": [ 704878.7379830353, 6517866.644140226 ], "end_xy": [ 704835.0835463234, 6517842.634593004 ] }, "min_100m": { "gradient_pct": 5.267422073575403, "start_distance_m": 1077.0, "end_distance_m": 1177.0, "midpoint_distance_m": 1127.0, "start_elevation_m": 538.7231744505939, "end_elevation_m": 543.9905965241693, "start_xy": [ 704920.9929672176, 6517893.237090597 ], "end_xy": [ 704835.0835463234, 6517842.634593004 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 25.052507695016857, "start_distance_m": 297.0, "end_distance_m": 299.0, "midpoint_distance_m": 298.0, "start_elevation_m": 441.7434539611682, "end_elevation_m": 442.24450411506854, "start_xy": [ 705470.5008546787, 6518408.039631477 ], "end_xy": [ 705469.2764063296, 6518406.458263006 ] }, "max_3m": { "gradient_pct": 25.341264857504104, "start_distance_m": 297.0, "end_distance_m": 300.0, "midpoint_distance_m": 298.5, "start_elevation_m": 441.7434539611682, "end_elevation_m": 442.5036919068933, "start_xy": [ 705470.5008546787, 6518408.039631477 ], "end_xy": [ 705468.6641821549, 6518405.66757877 ] } }, "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": 0.033, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [], "minima_resited": [ 2.0, 3.0, 5.0, 10.0 ], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.018, "obstruction_max_height_m": 11.12, "flagged_windows_m": [] }, "excluded_ranges_m": [ [ 251.0, 296.0 ] ], "review": [], "extent": [ "may_start_earlier", "may_continue_beyond_end" ] }, "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_E704-N6517_0m5@22LHD4LL-2025-07-24.tif", "data/cache/fr/ign-lidarhd_dtm_E704-N6518_0m5@22LHD4LL-2025-07-24.tif", "data/cache/fr/ign-lidarhd_dtm_E705-N6517_0m5@22LHD4LL-2025-07-24.tif", "data/cache/fr/ign-lidarhd_dtm_E705-N6518_0m5@22LHD4LL-2025-07-24.tif" ], "calculated_at": "2026-09-22T17:11:11+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": [ "E704-N6517", "E704-N6518", "E705-N6517", "E705-N6518" ], "elevation_blocks": [ "22LHD4LL@2025-07-24" ], "ign_dalles": [ "LHD_FXX_0704_6518_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0704_6519_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0705_6518_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0705_6519_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD4LL" ], "ign_editions": [ "2025-07-24" ], "ign_dsm_edition": { "LHD_FXX_0704_6518_MNT_O_0M50_LAMB93_IGN69": "2025-07-24", "LHD_FXX_0704_6519_MNT_O_0M50_LAMB93_IGN69": "2025-07-24", "LHD_FXX_0705_6518_MNT_O_0M50_LAMB93_IGN69": "2025-07-24", "LHD_FXX_0705_6519_MNT_O_0M50_LAMB93_IGN69": "2025-07-24" }, "climb_origin": "discovered", "structure_own_ways": 8, "structure_mask_ranges_m": [ [ 256.8, 286.8 ], [ 261.1, 291.1 ], [ 256.8, 286.8 ], [ 256.8, 286.8 ] ], "carriageway": { "stations": 63, "stations_resolved": 63, "width_median_m": 7.5, "width_p10_m": 6.0, "width_min_m": 2.25, "width_max_m": 12.0, "bounded_share": 0.175, "unbounded_share": 0.825, "confidence_median": 0.0, "width_median_bounded_m": 6.25, "window_m": [ 297.0, 322.0 ], "width_at_max25_m": 9.5, "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": 63, "stations_resolved": 63, "width_median_m": 7.75, "width_p10_m": 5.25, "width_min_m": 0.75, "width_max_m": 12.0, "bounded_share": 0.667, "unbounded_share": 0.333, "confidence_median": 1.0, "width_median_bounded_m": 6.62, "window_m": [ 297.0, 322.0 ], "width_at_max25_m": 10.25, "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": "Chamali\u00e8res", "county": "Puy-de-D\u00f4me", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }