{ "ocl_version": "0.1.0", "name": "Route du F\u00eatre", "slug": "route-du-fetre", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 32.74794229410816, "diagnostic": true, "flags": [], "start_distance_m": 2427.0, "end_distance_m": 2429.0, "start_elevation_m": 468.31397328731714, "end_elevation_m": 468.9689321331993, "min_gradient_pct": -10.458357220801417 }, { "window_m": 3.0, "max_gradient_pct": 32.36185364545653, "diagnostic": true, "flags": [], "start_distance_m": 2427.0, "end_distance_m": 2430.0, "start_elevation_m": 468.31397328731714, "end_elevation_m": 469.28482889668084, "min_gradient_pct": -5.21982321121186 }, { "window_m": 5.0, "max_gradient_pct": 30.501890142224966, "diagnostic": false, "flags": [], "start_distance_m": 2426.0, "end_distance_m": 2431.0, "start_elevation_m": 468.0187382272152, "end_elevation_m": 469.54383273432643, "min_gradient_pct": -4.576522010455619 }, { "window_m": 10.0, "max_gradient_pct": 28.151628432412394, "diagnostic": false, "flags": [], "start_distance_m": 2425.0, "end_distance_m": 2435.0, "start_elevation_m": 467.78057627194175, "end_elevation_m": 470.595739115183, "min_gradient_pct": -4.287095511424468 }, { "window_m": 20.0, "max_gradient_pct": 24.87110546627008, "diagnostic": false, "flags": [], "start_distance_m": 2416.0, "end_distance_m": 2436.0, "start_elevation_m": 465.8521885814074, "end_elevation_m": 470.8264096746614, "min_gradient_pct": -4.000664752133218 }, { "window_m": 25.0, "max_gradient_pct": 23.835760478990323, "diagnostic": false, "flags": [], "start_distance_m": 2411.0, "end_distance_m": 2436.0, "start_elevation_m": 464.86746955491384, "end_elevation_m": 470.8264096746614, "min_gradient_pct": -3.9498955425392523 }, { "window_m": 50.0, "max_gradient_pct": 21.065956070566813, "diagnostic": false, "flags": [], "start_distance_m": 2459.0, "end_distance_m": 2509.0, "start_elevation_m": 474.88699924392887, "end_elevation_m": 485.4199772792123, "min_gradient_pct": -3.809651986422068 }, { "window_m": 100.0, "max_gradient_pct": 20.990854927590416, "diagnostic": false, "flags": [], "start_distance_m": 2406.0, "end_distance_m": 2506.0, "start_elevation_m": 463.8696930353895, "end_elevation_m": 484.8605479629799, "min_gradient_pct": -3.6908708607070935 } ], "shape": { "ascent_concentration": 0.445, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 333.0, "shape_class": "sustained" }, "length_m": 2991.9689971950006, "start_elevation_m": 335.11992720825384, "end_elevation_m": 538.5456920249248, "endpoint_gain_m": 203.425764816671, "overall_gradient_pct": 6.799059916977234, "accumulated_ascent_m": 212.3573546266224, "window_maxima": { "max_5m": { "gradient_pct": 30.501890142224966, "start_distance_m": 2426.0, "end_distance_m": 2431.0, "midpoint_distance_m": 2428.5, "start_elevation_m": 468.0187382272152, "end_elevation_m": 469.54383273432643, "start_xy": [ 826793.8624894421, 6566352.135388648 ], "end_xy": [ 826791.7657563151, 6566356.657559855 ] }, "max_10m": { "gradient_pct": 28.151628432412394, "start_distance_m": 2425.0, "end_distance_m": 2435.0, "midpoint_distance_m": 2430.0, "start_elevation_m": 467.78057627194175, "end_elevation_m": 470.595739115183, "start_xy": [ 826794.3965371813, 6566351.289934326 ], "end_xy": [ 826791.7978730022, 6566360.557623883 ] }, "max_20m": { "gradient_pct": 24.87110546627008, "start_distance_m": 2416.0, "end_distance_m": 2436.0, "midpoint_distance_m": 2426.0, "start_elevation_m": 465.8521885814074, "end_elevation_m": 470.8264096746614, "start_xy": [ 826801.8567138307, 6566346.976394582 ], "end_xy": [ 826791.9318805668, 6566361.548604192 ] }, "max_25m": { "gradient_pct": 23.835760478990323, "start_distance_m": 2411.0, "end_distance_m": 2436.0, "midpoint_distance_m": 2423.5, "start_elevation_m": 464.86746955491384, "end_elevation_m": 470.8264096746614, "start_xy": [ 826806.5562209176, 6566345.269164913 ], "end_xy": [ 826791.9318805668, 6566361.548604192 ] }, "max_50m": { "gradient_pct": 21.065956070566813, "start_distance_m": 2459.0, "end_distance_m": 2509.0, "midpoint_distance_m": 2484.0, "start_elevation_m": 474.88699924392887, "end_elevation_m": 485.4199772792123, "start_xy": [ 826779.6183272448, 6566380.853295403 ], "end_xy": [ 826752.4106893353, 6566422.778737604 ] }, "max_100m": { "gradient_pct": 20.990854927590416, "start_distance_m": 2406.0, "end_distance_m": 2506.0, "midpoint_distance_m": 2456.0, "start_elevation_m": 463.8696930353895, "end_elevation_m": 484.8605479629799, "start_xy": [ 826811.2961391873, 6566343.688632986 ], "end_xy": [ 826753.8855988797, 6566420.175690916 ] } }, "window_minima": { "min_5m": { "gradient_pct": -4.576522010455619, "start_distance_m": 1500.0, "end_distance_m": 1505.0, "midpoint_distance_m": 1502.5, "start_elevation_m": 416.87817995460426, "end_elevation_m": 416.6493538540815, "start_xy": [ 827271.3356156509, 6566288.851977574 ], "end_xy": [ 827267.933758775, 6566292.516315139 ] }, "min_10m": { "gradient_pct": -4.287095511424468, "start_distance_m": 1489.0, "end_distance_m": 1499.0, "midpoint_distance_m": 1494.0, "start_elevation_m": 417.32260509832525, "end_elevation_m": 416.8938955471828, "start_xy": [ 827279.0658215235, 6566281.031352708 ], "end_xy": [ 827272.015987026, 6566288.119110061 ] }, "min_20m": { "gradient_pct": -4.000664752133218, "start_distance_m": 1477.0, "end_distance_m": 1497.0, "midpoint_distance_m": 1487.0, "start_elevation_m": 417.78928722555503, "end_elevation_m": 416.9891542751284, "start_xy": [ 827287.683804956, 6566272.68088197 ], "end_xy": [ 827273.3767297764, 6566286.653375034 ] }, "min_25m": { "gradient_pct": -3.9498955425392523, "start_distance_m": 1480.0, "end_distance_m": 1505.0, "midpoint_distance_m": 1492.5, "start_elevation_m": 417.6368277397163, "end_elevation_m": 416.6493538540815, "start_xy": [ 827285.5293090979, 6566274.768499654 ], "end_xy": [ 827267.933758775, 6566292.516315139 ] }, "min_50m": { "gradient_pct": -3.809651986422068, "start_distance_m": 1477.0, "end_distance_m": 1527.0, "midpoint_distance_m": 1502.0, "start_elevation_m": 417.78928722555503, "end_elevation_m": 415.884461232344, "start_xy": [ 827287.683804956, 6566272.68088197 ], "end_xy": [ 827252.965588521, 6566308.639400429 ] }, "min_100m": { "gradient_pct": -3.6908708607070935, "start_distance_m": 1433.0, "end_distance_m": 1533.0, "midpoint_distance_m": 1483.0, "start_elevation_m": 419.35212386685606, "end_elevation_m": 415.66125300614897, "start_xy": [ 827319.6149171449, 6566242.4258621875 ], "end_xy": [ 827248.88336027, 6566313.036605508 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 32.74794229410816, "start_distance_m": 2427.0, "end_distance_m": 2429.0, "midpoint_distance_m": 2428.0, "start_elevation_m": 468.31397328731714, "end_elevation_m": 468.9689321331993, "start_xy": [ 826793.3284417028, 6566352.980842971 ], "end_xy": [ 826792.5196787254, 6566354.805101759 ] }, "max_3m": { "gradient_pct": 32.36185364545653, "start_distance_m": 2427.0, "end_distance_m": 2430.0, "midpoint_distance_m": 2428.5, "start_elevation_m": 468.31397328731714, "end_elevation_m": 469.28482889668084, "start_xy": [ 826793.3284417028, 6566352.980842971 ], "end_xy": [ 826792.1427175202, 6566355.731330807 ] } }, "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": 0.027, "obstruction_max_height_m": 16.05, "flagged_windows_m": [] }, "review": [], "extent": [ "may_continue_beyond_end" ] }, "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_E826-N6566_0m5@21LHD5NK-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E827-N6565_0m5@21LHD5NK-2025-02-20.tif", "data/cache/fr/ign-lidarhd_dtm_E827-N6566_0m5@21LHD5NK-2025-02-20.tif" ], "calculated_at": "2026-09-22T14:26:31+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": [ "E826-N6566", "E827-N6565", "E827-N6566" ], "elevation_blocks": [ "21LHD5NK@2025-02-20" ], "ign_dalles": [ "LHD_FXX_0826_6567_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0827_6566_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0827_6567_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD5NK" ], "ign_editions": [ "2025-02-20" ], "ign_dsm_edition": { "LHD_FXX_0826_6567_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0827_6566_MNT_O_0M50_LAMB93_IGN69": "2025-02-20", "LHD_FXX_0827_6567_MNT_O_0M50_LAMB93_IGN69": "2025-02-20" }, "climb_origin": "discovered", "structure_own_ways": 10, "carriageway": { "stations": 126, "stations_resolved": 126, "width_median_m": 5.25, "width_p10_m": 3.38, "width_min_m": 2.25, "width_max_m": 12.0, "bounded_share": 0.357, "unbounded_share": 0.643, "confidence_median": 0.0, "width_median_bounded_m": 5.25, "window_m": [ 2411.0, 2436.0 ], "width_at_max25_m": 5.0, "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": 126, "stations_resolved": 126, "width_median_m": 7.88, "width_p10_m": 5.25, "width_min_m": 1.0, "width_max_m": 12.0, "bounded_share": 0.659, "unbounded_share": 0.341, "confidence_median": 1.0, "width_median_bounded_m": 6.75, "window_m": [ 2411.0, 2436.0 ], "width_at_max25_m": 8.25, "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": "Chiroubles", "county": "Rh\u00f4ne", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }