{ "ocl_version": "0.1.0", "name": "Rue de l'Oussidou", "slug": "rue-de-l-oussidou", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 29.365497563428278, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 775.0, "end_distance_m": 777.0, "start_elevation_m": 84.2805462412168, "end_elevation_m": 84.86785619248536, "min_gradient_pct": -3.9650904178266444 }, { "window_m": 3.0, "max_gradient_pct": 28.298444518446313, "diagnostic": true, "flags": [ "canopy_or_structure" ], "start_distance_m": 774.0, "end_distance_m": 777.0, "start_elevation_m": 84.01890285693197, "end_elevation_m": 84.86785619248536, "min_gradient_pct": -0.9035065734953681 }, { "window_m": 5.0, "max_gradient_pct": 27.891558691031264, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 775.0, "end_distance_m": 780.0, "start_elevation_m": 84.2805462412168, "end_elevation_m": 85.67512417576836, "min_gradient_pct": -0.7646400415251264 }, { "window_m": 10.0, "max_gradient_pct": 26.888554467827248, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 773.0, "end_distance_m": 783.0, "start_elevation_m": 83.77397729597438, "end_elevation_m": 86.4628327427571, "min_gradient_pct": -0.594023278914193 }, { "window_m": 20.0, "max_gradient_pct": 22.317866111882978, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 771.0, "end_distance_m": 791.0, "start_elevation_m": 83.40618012314273, "end_elevation_m": 87.86975334551933, "min_gradient_pct": -0.4148389387789564 }, { "window_m": 25.0, "max_gradient_pct": 20.83681674016083, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 766.0, "end_distance_m": 791.0, "start_elevation_m": 82.66054916047912, "end_elevation_m": 87.86975334551933, "min_gradient_pct": -0.3706506634032394 }, { "window_m": 50.0, "max_gradient_pct": 17.055762879580158, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 746.0, "end_distance_m": 796.0, "start_elevation_m": 79.98862204246447, "end_elevation_m": 88.51650348225455, "min_gradient_pct": -0.11470775897126373 }, { "window_m": 100.0, "max_gradient_pct": 13.944269097896054, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 699.0, "end_distance_m": 799.0, "start_elevation_m": 74.90507621143908, "end_elevation_m": 88.84934530933513, "min_gradient_pct": -0.0384541558784548 } ], "shape": { "ascent_concentration": 0.437, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 58.0, "shape_class": "sustained" }, "length_m": 1116.6027796353194, "start_elevation_m": 26.50625461746321, "end_elevation_m": 99.38083137487803, "endpoint_gain_m": 72.87457675741481, "overall_gradient_pct": 6.526454893943174, "accumulated_ascent_m": 73.49748818503014, "window_maxima": { "max_5m": { "gradient_pct": 27.891558691031264, "start_distance_m": 775.0, "end_distance_m": 780.0, "midpoint_distance_m": 777.5, "start_elevation_m": 84.2805462412168, "end_elevation_m": 85.67512417576836, "start_xy": [ 843425.0366434902, 6326870.50058806 ], "end_xy": [ 843420.7692258025, 6326867.894989036 ] }, "max_10m": { "gradient_pct": 26.888554467827248, "start_distance_m": 773.0, "end_distance_m": 783.0, "midpoint_distance_m": 778.0, "start_elevation_m": 83.77397729597438, "end_elevation_m": 86.4628327427571, "start_xy": [ 843426.644659359, 6326871.681695955 ], "end_xy": [ 843418.2087751898, 6326866.331629621 ] }, "max_20m": { "gradient_pct": 22.317866111882978, "start_distance_m": 771.0, "end_distance_m": 791.0, "midpoint_distance_m": 781.0, "start_elevation_m": 83.40618012314273, "end_elevation_m": 87.86975334551933, "start_xy": [ 843428.1848527815, 6326872.957545863 ], "end_xy": [ 843410.6589240546, 6326865.186429138 ] }, "max_25m": { "gradient_pct": 20.83681674016083, "start_distance_m": 766.0, "end_distance_m": 791.0, "midpoint_distance_m": 778.5, "start_elevation_m": 82.66054916047912, "end_elevation_m": 87.86975334551933, "start_xy": [ 843432.0302484604, 6326876.153313701 ], "end_xy": [ 843410.6589240546, 6326865.186429138 ] }, "max_50m": { "gradient_pct": 17.055762879580158, "start_distance_m": 746.0, "end_distance_m": 796.0, "midpoint_distance_m": 771.0, "start_elevation_m": 79.98862204246447, "end_elevation_m": 88.51650348225455, "start_xy": [ 843450.102137747, 6326884.442261674 ], "end_xy": [ 843405.6746763121, 6326865.583007556 ] }, "max_100m": { "gradient_pct": 13.944269097896054, "start_distance_m": 699.0, "end_distance_m": 799.0, "midpoint_distance_m": 749.0, "start_elevation_m": 74.90507621143908, "end_elevation_m": 88.84934530933513, "start_xy": [ 843493.6281444461, 6326902.050902953 ], "end_xy": [ 843402.6841276668, 6326865.820954608 ] } }, "window_minima": { "min_5m": { "gradient_pct": -0.7646400415251264, "start_distance_m": 948.0, "end_distance_m": 953.0, "midpoint_distance_m": 950.5, "start_elevation_m": 99.27079658203722, "end_elevation_m": 99.23256457996096, "start_xy": [ 843311.747457402, 6326762.571436402 ], "end_xy": [ 843307.1970880332, 6326760.499206056 ] }, "min_10m": { "gradient_pct": -0.594023278914193, "start_distance_m": 947.0, "end_distance_m": 957.0, "midpoint_distance_m": 952.0, "start_elevation_m": 99.27707345479175, "end_elevation_m": 99.21767112690033, "start_xy": [ 843312.6575312756, 6326762.985882471 ], "end_xy": [ 843303.5567925383, 6326758.841421779 ] }, "min_20m": { "gradient_pct": -0.4148389387789564, "start_distance_m": 944.0, "end_distance_m": 964.0, "midpoint_distance_m": 954.0, "start_elevation_m": 99.28735805585004, "end_elevation_m": 99.20439026809424, "start_xy": [ 843315.3877528969, 6326764.229220679 ], "end_xy": [ 843297.186275422, 6326755.940299294 ] }, "min_25m": { "gradient_pct": -0.3706506634032394, "start_distance_m": 944.0, "end_distance_m": 969.0, "midpoint_distance_m": 956.5, "start_elevation_m": 99.28735805585004, "end_elevation_m": 99.19469538999923, "start_xy": [ 843315.3877528969, 6326764.229220679 ], "end_xy": [ 843292.6359060532, 6326753.868068948 ] }, "min_50m": { "gradient_pct": -0.11470775897126373, "start_distance_m": 944.0, "end_distance_m": 994.0, "midpoint_distance_m": 969.0, "start_elevation_m": 99.28735805585004, "end_elevation_m": 99.2300041763644, "start_xy": [ 843315.3877528969, 6326764.229220679 ], "end_xy": [ 843269.2736408451, 6326744.976275659 ] }, "min_100m": { "gradient_pct": -0.0384541558784548, "start_distance_m": 944.0, "end_distance_m": 1044.0, "midpoint_distance_m": 994.0, "start_elevation_m": 99.28735805585004, "end_elevation_m": 99.24890389997158, "start_xy": [ 843315.3877528969, 6326764.229220679 ], "end_xy": [ 843223.8153501146, 6326724.192524773 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 29.365497563428278, "start_distance_m": 775.0, "end_distance_m": 777.0, "midpoint_distance_m": 776.0, "start_elevation_m": 84.2805462412168, "end_elevation_m": 84.86785619248536, "start_xy": [ 843425.0366434902, 6326870.50058806 ], "end_xy": [ 843423.3296764151, 6326869.458348451 ] }, "max_3m": { "gradient_pct": 28.298444518446313, "start_distance_m": 774.0, "end_distance_m": 777.0, "midpoint_distance_m": 775.5, "start_elevation_m": 84.01890285693197, "end_elevation_m": 84.86785619248536, "start_xy": [ 843425.873439952, 6326871.045126535 ], "end_xy": [ 843423.3296764151, 6326869.458348451 ] } }, "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": 0.208, "obstruction_max_height_m": 16.34, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25, 50, 100 ] }, "review": [], "extent": [ "may_start_earlier" ] }, "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_E843-N6326_0m5@21LHD7OP-2025-03-14.tif", "data/cache/fr/ign-lidarhd_dtm_E843-N6327_0m5@21LHD7OP-2025-03-14.tif" ], "calculated_at": "2026-09-22T13:08:24+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": [ "E843-N6326", "E843-N6327" ], "elevation_blocks": [ "21LHD7OP@2025-03-14" ], "ign_dalles": [ "LHD_FXX_0843_6327_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0843_6328_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD7OP" ], "ign_editions": [ "2025-03-14" ], "ign_dsm_edition": { "LHD_FXX_0843_6327_MNT_O_0M50_LAMB93_IGN69": "2025-03-14", "LHD_FXX_0843_6328_MNT_O_0M50_LAMB93_IGN69": "2025-03-14" }, "climb_origin": "discovered", "structure_own_ways": 6, "carriageway": { "stations": 51, "stations_resolved": 51, "width_median_m": 6.75, "width_p10_m": 3.5, "width_min_m": 2.0, "width_max_m": 12.0, "bounded_share": 0.275, "unbounded_share": 0.725, "confidence_median": 0.0, "width_median_bounded_m": 4.88, "window_m": [ 766.0, 791.0 ], "width_at_max25_m": 4.75, "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": 51, "stations_resolved": 51, "width_median_m": 5.25, "width_p10_m": 1.0, "width_min_m": 0.5, "width_max_m": 9.75, "bounded_share": 0.765, "unbounded_share": 0.235, "confidence_median": 1.0, "width_median_bounded_m": 3.5, "window_m": [ 766.0, 791.0 ], "width_at_max25_m": 2.0, "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": "Sauveterre", "county": "Gard", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }