{ "ocl_version": "0.1.0", "name": "Portail de Nore from Les Y\u00e8s", "slug": "portail-de-nore-from-les-yes", "confidence": "U", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 42.63147411648447, "diagnostic": true, "flags": [ "texture_excluded", "texture_excluded_min", "canopy_or_structure" ], "start_distance_m": 1382.0, "end_distance_m": 1384.0, "start_elevation_m": 881.7163883946218, "end_elevation_m": 882.5690178769515, "min_gradient_pct": -12.928876171559978, "suppressed_max_gradient_pct": 43.00598351750864, "suppressed_location_m": [ 1484.0, 1486.0 ], "suppressed_min_gradient_pct": -36.61584310982562, "suppressed_min_location_m": [ 1481.0, 1483.0 ] }, { "window_m": 3.0, "max_gradient_pct": 34.92611546163668, "diagnostic": true, "flags": [ "texture_excluded", "texture_excluded_min", "canopy_or_structure" ], "start_distance_m": 1382.0, "end_distance_m": 1385.0, "start_elevation_m": 881.7163883946218, "end_elevation_m": 882.764171858471, "min_gradient_pct": -9.033137131276211, "suppressed_max_gradient_pct": 42.030089579297204, "suppressed_location_m": [ 1483.0, 1486.0 ], "suppressed_min_gradient_pct": -22.781561275716438, "suppressed_min_location_m": [ 1480.0, 1483.0 ] }, { "window_m": 5.0, "max_gradient_pct": 26.44823892834893, "diagnostic": false, "flags": [ "no_bench_excluded", "texture_excluded", "texture_excluded_min", "suppression_unstable", "canopy_or_structure" ], "start_distance_m": 1382.0, "end_distance_m": 1387.0, "start_elevation_m": 881.7163883946218, "end_elevation_m": 883.0388003410393, "min_gradient_pct": -5.905555261392692, "suppressed_max_gradient_pct": 36.5155117509039, "suppressed_location_m": [ 1144.0, 1149.0 ], "suppressed_min_gradient_pct": -10.67148571762118, "suppressed_min_location_m": [ 1478.0, 1483.0 ] }, { "window_m": 10.0, "max_gradient_pct": 18.262899198051628, "diagnostic": false, "flags": [ "no_bench_excluded", "no_bench_excluded_min", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1376.0, "end_distance_m": 1386.0, "start_elevation_m": 881.1742736901014, "end_elevation_m": 883.0005636099065, "min_gradient_pct": -3.4999583660487588, "suppressed_max_gradient_pct": 28.41314835352364, "suppressed_location_m": [ 1142.0, 1152.0 ], "suppressed_min_gradient_pct": -4.9917578187989875, "suppressed_min_location_m": [ 1154.0, 1164.0 ] }, { "window_m": 20.0, "max_gradient_pct": 13.894030506744457, "diagnostic": false, "flags": [ "no_bench_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1382.0, "end_distance_m": 1402.0, "start_elevation_m": 881.7163883946218, "end_elevation_m": 884.4951944959707, "min_gradient_pct": -3.272233064159309, "suppressed_max_gradient_pct": 18.697470390844728, "suppressed_location_m": [ 1134.0, 1154.0 ] }, { "window_m": 25.0, "max_gradient_pct": 13.913725490774596, "diagnostic": false, "flags": [ "no_bench_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1382.0, "end_distance_m": 1407.0, "start_elevation_m": 881.7163883946218, "end_elevation_m": 885.1948197673155, "min_gradient_pct": -3.2304393017566326, "suppressed_max_gradient_pct": 16.582005988587753, "suppressed_location_m": [ 1129.0, 1154.0 ] }, { "window_m": 50.0, "max_gradient_pct": 11.904565471693331, "diagnostic": false, "flags": [ "no_bench_excluded", "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1364.0, "end_distance_m": 1414.0, "start_elevation_m": 880.3000292808407, "end_elevation_m": 886.2523120166874, "min_gradient_pct": -2.92122879726503, "suppressed_max_gradient_pct": 12.278972100202054, "suppressed_location_m": [ 1104.0, 1154.0 ] }, { "window_m": 100.0, "max_gradient_pct": 10.486029357467828, "diagnostic": false, "flags": [ "texture_excluded", "canopy_or_structure" ], "start_distance_m": 1341.0, "end_distance_m": 1441.0, "start_elevation_m": 878.2322686680033, "end_elevation_m": 888.7182980254711, "min_gradient_pct": -2.2849536533708488, "suppressed_max_gradient_pct": 10.828564317124574, "suppressed_location_m": [ 1483.0, 1583.0 ] } ], "shape": { "ascent_concentration": 0.341, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 50.0, "shape_class": "sustained" }, "length_m": 5835.107242510646, "start_elevation_m": 768.7251581054442, "end_elevation_m": 1150.8204486533182, "endpoint_gain_m": 382.095290547874, "overall_gradient_pct": 6.548213677448567, "accumulated_ascent_m": 391.3396824644059, "window_maxima": { "max_5m": { "gradient_pct": 26.44823892834893, "start_distance_m": 1382.0, "end_distance_m": 1387.0, "midpoint_distance_m": 1384.5, "start_elevation_m": 881.7163883946218, "end_elevation_m": 883.0388003410393, "start_xy": [ 654347.565371354, 6262192.774125403 ], "end_xy": [ 654352.1830926567, 6262190.882814546 ] }, "max_10m": { "gradient_pct": 18.262899198051628, "start_distance_m": 1376.0, "end_distance_m": 1386.0, "midpoint_distance_m": 1381.0, "start_elevation_m": 881.1742736901014, "end_elevation_m": 883.0005636099065, "start_xy": [ 654342.1580575932, 6262195.374309607 ], "end_xy": [ 654351.2343865465, 6262191.198973868 ] }, "max_20m": { "gradient_pct": 13.894030506744457, "start_distance_m": 1382.0, "end_distance_m": 1402.0, "midpoint_distance_m": 1392.0, "start_elevation_m": 881.7163883946218, "end_elevation_m": 884.4951944959707, "start_xy": [ 654347.565371354, 6262192.774125403 ], "end_xy": [ 654366.413684309, 6262186.140424724 ] }, "max_25m": { "gradient_pct": 13.913725490774596, "start_distance_m": 1382.0, "end_distance_m": 1407.0, "midpoint_distance_m": 1394.5, "start_elevation_m": 881.7163883946218, "end_elevation_m": 885.1948197673155, "start_xy": [ 654347.565371354, 6262192.774125403 ], "end_xy": [ 654371.1572148598, 6262184.559628117 ] }, "max_50m": { "gradient_pct": 11.904565471693331, "start_distance_m": 1364.0, "end_distance_m": 1414.0, "midpoint_distance_m": 1389.0, "start_elevation_m": 880.3000292808407, "end_elevation_m": 886.2523120166874, "start_xy": [ 654331.3434300716, 6262200.574678013 ], "end_xy": [ 654377.798157631, 6262182.346512866 ] }, "max_100m": { "gradient_pct": 10.486029357467828, "start_distance_m": 1341.0, "end_distance_m": 1441.0, "midpoint_distance_m": 1391.0, "start_elevation_m": 878.2322686680033, "end_elevation_m": 888.7182980254711, "start_xy": [ 654311.4313667234, 6262212.052137591 ], "end_xy": [ 654403.9593159049, 6262175.876133965 ] } }, "window_minima": { "min_5m": { "gradient_pct": -5.905555261392692, "start_distance_m": 3466.0, "end_distance_m": 3471.0, "midpoint_distance_m": 3468.5, "start_elevation_m": 1027.3534747288902, "end_elevation_m": 1027.0581969658206, "start_xy": [ 656109.6587813356, 6261451.040750567 ], "end_xy": [ 656108.233458034, 6261446.2482091235 ] }, "min_10m": { "gradient_pct": -3.4999583660487588, "start_distance_m": 5783.0, "end_distance_m": 5793.0, "midpoint_distance_m": 5788.0, "start_elevation_m": 1152.1341628837793, "end_elevation_m": 1151.7841670471744, "start_xy": [ 656999.5758763073, 6259768.29204744 ], "end_xy": [ 657005.3596840568, 6259760.13437817 ] }, "min_20m": { "gradient_pct": -3.272233064159309, "start_distance_m": 5774.0, "end_distance_m": 5794.0, "midpoint_distance_m": 5784.0, "start_elevation_m": 1152.407356821081, "end_elevation_m": 1151.7529102082492, "start_xy": [ 656994.3704493329, 6259775.633949783 ], "end_xy": [ 657005.9380648318, 6259759.318611243 ] }, "min_25m": { "gradient_pct": -3.2304393017566326, "start_distance_m": 5785.0, "end_distance_m": 5810.0, "midpoint_distance_m": 5797.5, "start_elevation_m": 1152.0819963761464, "end_elevation_m": 1151.2743865507073, "start_xy": [ 657000.7326378572, 6259766.660513586 ], "end_xy": [ 657013.0750030399, 6259745.035021542 ] }, "min_50m": { "gradient_pct": -2.92122879726503, "start_distance_m": 5767.0, "end_distance_m": 5817.0, "midpoint_distance_m": 5792.0, "start_elevation_m": 1152.5548819145567, "end_elevation_m": 1151.0942675159242, "start_xy": [ 656990.3217839082, 6259781.344318272 ], "end_xy": [ 657016.0363314091, 6259738.69226707 ] }, "min_100m": { "gradient_pct": -2.2849536533708488, "start_distance_m": 5731.0, "end_distance_m": 5831.0, "midpoint_distance_m": 5781.0, "start_elevation_m": 1153.13590858772, "end_elevation_m": 1150.8509549343491, "start_xy": [ 656967.146768252, 6259808.844555586 ], "end_xy": [ 657020.4267145473, 6259725.511936688 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 42.63147411648447, "start_distance_m": 1382.0, "end_distance_m": 1384.0, "midpoint_distance_m": 1383.0, "start_elevation_m": 881.7163883946218, "end_elevation_m": 882.5690178769515, "start_xy": [ 654347.565371354, 6262192.774125403 ], "end_xy": [ 654349.3678092742, 6262191.907397335 ] }, "max_3m": { "gradient_pct": 34.92611546163668, "start_distance_m": 1382.0, "end_distance_m": 1385.0, "midpoint_distance_m": 1383.5, "start_elevation_m": 881.7163883946218, "end_elevation_m": 882.764171858471, "start_xy": [ 654347.565371354, 6262192.774125403 ], "end_xy": [ 654350.2856804364, 6262191.515133189 ] } }, "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": 0.005, "windows_resited": [], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "no_bench_suppression": { "masked_fraction": 0.011, "windows_resited": [ 5.0, 10.0, 20.0, 25.0, 50.0 ], "windows_unresolved": [], "minima_resited": [ 10.0 ], "minima_unresolved": [] }, "texture_suppression": { "masked_fraction": 0.012, "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 ], "minima_unresolved": [] }, "texture_windows": { "rounds": 1, "windows_masked": [ { "window_m": 5.0, "start_m": 1483.0, "end_m": 1488.0, "raw_pct": 34.27, "reason": "short-step" } ], "advisory": [], "unresolved": [], "unstable": [ { "window_m": 5.0, "start_m": 1382.0, "end_m": 1387.0, "raw_pct": 26.45, "reason": "short-step", "perturbations": [ "phase+0.000/mask+0", "phase+0.333/mask+1", "phase+0.667/mask-1" ], "perturbation_reasons": [ "short-step", "", "" ] } ] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.422, "obstruction_max_height_m": 25.96, "flagged_windows_m": [ 2, 3, 5, 10, 20, 25, 50, 100 ] }, "excluded_ranges_m": [ [ 0.0, 30.0 ], [ 1140.0, 1170.0 ], [ 1481.0, 1490.0 ] ], "review": [ "short_window_divergence" ], "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-mc3", "road_pbf": "block-batch-fr-mc3.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_E653-N6261_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E653-N6262_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E654-N6261_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E654-N6262_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E655-N6260_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E655-N6261_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E655-N6262_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E656-N6259_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E656-N6260_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E656-N6261_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E657-N6259_0m5@21LHD3KQ-2025-06-06.tif", "data/cache/fr/ign-lidarhd_dtm_E657-N6260_0m5@21LHD3KQ-2025-06-06.tif" ], "calculated_at": "2026-09-22T16:29:56+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc3.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc3", "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": [ "E653-N6261", "E653-N6262", "E654-N6261", "E654-N6262", "E655-N6260", "E655-N6261", "E655-N6262", "E656-N6259", "E656-N6260", "E656-N6261", "E657-N6259", "E657-N6260" ], "elevation_blocks": [ "21LHD3KQ@2025-06-06" ], "ign_dalles": [ "LHD_FXX_0653_6262_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0653_6263_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0654_6262_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0654_6263_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0655_6261_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0655_6262_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0655_6263_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0656_6260_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0656_6261_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0656_6262_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0657_6260_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0657_6261_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3KQ" ], "ign_editions": [ "2025-06-06" ], "ign_dsm_edition": { "LHD_FXX_0653_6262_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0653_6263_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0654_6262_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0654_6263_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0655_6261_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0655_6262_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0655_6263_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0656_6260_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0656_6261_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0656_6262_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0657_6260_MNT_O_0M50_LAMB93_IGN69": "2025-06-06", "LHD_FXX_0657_6261_MNT_O_0M50_LAMB93_IGN69": "2025-06-06" }, "climb_origin": "named-pass", "structure_own_ways": 2, "structure_mask_ranges_m": [ [ 0.0, 15.0 ] ], "mask_basin_extension_m": 10.0, "suppression_unstable": [ 5.0 ], "carriageway": { "stations": 240, "stations_resolved": 240, "width_median_m": 5.5, "width_p10_m": 3.5, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.221, "unbounded_share": 0.779, "confidence_median": 0.0, "width_median_bounded_m": 5.5, "window_m": [ 1382.0, 1407.0 ], "width_at_max25_m": 2.5, "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": 240, "stations_resolved": 240, "width_median_m": 2.75, "width_p10_m": 0.5, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.946, "unbounded_share": 0.054, "confidence_median": 1.0, "width_median_bounded_m": 2.5, "window_m": [ 1382.0, 1407.0 ], "width_at_max25_m": 2.25, "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": "Mazamet", "county": "Tarn", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }