{ "ocl_version": "0.1.0", "name": "Col de la Core from Sentenac-d'Oust", "slug": "col-de-la-core-from-sentenac-d-oust", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 14.357968500343077, "diagnostic": true, "flags": [ "structure_excluded" ], "start_distance_m": 347.0, "end_distance_m": 349.0, "start_elevation_m": 657.1724692522297, "end_elevation_m": 657.4596286222366, "min_gradient_pct": -2.531018442516597, "suppressed_max_gradient_pct": 86.92926191268384, "suppressed_location_m": [ 0.0, 2.0 ] }, { "window_m": 3.0, "max_gradient_pct": 14.303400217158924, "diagnostic": true, "flags": [ "structure_excluded" ], "start_distance_m": 346.0, "end_distance_m": 349.0, "start_elevation_m": 657.0305266157218, "end_elevation_m": 657.4596286222366, "min_gradient_pct": -1.7096045217461626, "suppressed_max_gradient_pct": 74.47690933396795, "suppressed_location_m": [ 0.0, 3.0 ] }, { "window_m": 5.0, "max_gradient_pct": 13.197032835464597, "diagnostic": false, "flags": [ "structure_excluded" ], "start_distance_m": 345.0, "end_distance_m": 350.0, "start_elevation_m": 656.920938001927, "end_elevation_m": 657.5807896437002, "min_gradient_pct": -1.0041276834044766, "suppressed_max_gradient_pct": 47.940304877938615, "suppressed_location_m": [ 0.0, 5.0 ] }, { "window_m": 10.0, "max_gradient_pct": 12.137072169076646, "diagnostic": false, "flags": [ "structure_excluded" ], "start_distance_m": 342.0, "end_distance_m": 352.0, "start_elevation_m": 656.5715179790739, "end_elevation_m": 657.7852251959815, "min_gradient_pct": -0.8335618178716686, "suppressed_max_gradient_pct": 28.274793164348466, "suppressed_location_m": [ 0.0, 10.0 ] }, { "window_m": 20.0, "max_gradient_pct": 11.604872807233164, "diagnostic": false, "flags": [ "structure_excluded" ], "start_distance_m": 332.0, "end_distance_m": 352.0, "start_elevation_m": 655.4642506345349, "end_elevation_m": 657.7852251959815, "min_gradient_pct": -0.4143002669223961, "suppressed_max_gradient_pct": 17.938617666178516, "suppressed_location_m": [ 0.0, 20.0 ] }, { "window_m": 25.0, "max_gradient_pct": 11.60869970403337, "diagnostic": false, "flags": [ "structure_excluded" ], "start_distance_m": 4553.0, "end_distance_m": 4578.0, "start_elevation_m": 950.6822663654349, "end_elevation_m": 953.5844412914432, "min_gradient_pct": -0.17281123915381613, "suppressed_max_gradient_pct": 15.843811717932567, "suppressed_location_m": [ 0.0, 25.0 ] }, { "window_m": 50.0, "max_gradient_pct": 11.378222402321626, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 4528.0, "end_distance_m": 4578.0, "start_elevation_m": 947.8953300902824, "end_elevation_m": 953.5844412914432, "min_gradient_pct": 0.28839560881624493 }, { "window_m": 100.0, "max_gradient_pct": 10.865456602462586, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 4515.0, "end_distance_m": 4615.0, "start_elevation_m": 946.5664055368313, "end_elevation_m": 957.4318621392939, "min_gradient_pct": 0.6471040313035701 } ], "shape": { "ascent_concentration": 0.302, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 105.0, "shape_class": "sustained" }, "length_m": 11466.663336366619, "start_elevation_m": 628.5168493651809, "end_elevation_m": 1394.43100644531, "endpoint_gain_m": 765.9141570801291, "overall_gradient_pct": 6.67948586796846, "accumulated_ascent_m": 767.5587363823354, "window_maxima": { "max_5m": { "gradient_pct": 13.197032835464597, "start_distance_m": 345.0, "end_distance_m": 350.0, "midpoint_distance_m": 347.5, "start_elevation_m": 656.920938001927, "end_elevation_m": 657.5807896437002, "start_xy": [ 551135.9000951482, 6199043.671047397 ], "end_xy": [ 551131.2569297925, 6199041.832654783 ] }, "max_10m": { "gradient_pct": 12.137072169076646, "start_distance_m": 342.0, "end_distance_m": 352.0, "midpoint_distance_m": 347.0, "start_elevation_m": 656.5715179790739, "end_elevation_m": 657.7852251959815, "start_xy": [ 551138.5596213425, 6199045.0591829885 ], "end_xy": [ 551129.3805375829, 6199041.140446522 ] }, "max_20m": { "gradient_pct": 11.604872807233164, "start_distance_m": 332.0, "end_distance_m": 352.0, "midpoint_distance_m": 342.0, "start_elevation_m": 655.4642506345349, "end_elevation_m": 657.7852251959815, "start_xy": [ 551147.4247086566, 6199049.686301629 ], "end_xy": [ 551129.3805375829, 6199041.140446522 ] }, "max_25m": { "gradient_pct": 11.60869970403337, "start_distance_m": 4553.0, "end_distance_m": 4578.0, "midpoint_distance_m": 4565.5, "start_elevation_m": 950.6822663654349, "end_elevation_m": 953.5844412914432, "start_xy": [ 549853.6550725695, 6198019.4645636305 ], "end_xy": [ 549866.6285904481, 6197998.102318468 ] }, "max_50m": { "gradient_pct": 11.378222402321626, "start_distance_m": 4528.0, "end_distance_m": 4578.0, "midpoint_distance_m": 4553.0, "start_elevation_m": 947.8953300902824, "end_elevation_m": 953.5844412914432, "start_xy": [ 549841.4579425034, 6198041.282165583 ], "end_xy": [ 549866.6285904481, 6197998.102318468 ] }, "max_100m": { "gradient_pct": 10.865456602462586, "start_distance_m": 4515.0, "end_distance_m": 4615.0, "midpoint_distance_m": 4565.0, "start_elevation_m": 946.5664055368313, "end_elevation_m": 957.4318621392939, "start_xy": [ 549835.5466849001, 6198052.860465699 ], "end_xy": [ 549883.6664994813, 6197965.450612696 ] } }, "window_minima": { "min_5m": { "gradient_pct": -1.0041276834044766, "start_distance_m": 4967.0, "end_distance_m": 4972.0, "midpoint_distance_m": 4969.5, "start_elevation_m": 985.4078504532624, "end_elevation_m": 985.3576440690922, "start_xy": [ 549709.3852397809, 6197730.89125501 ], "end_xy": [ 549709.817632885, 6197725.909986476 ] }, "min_10m": { "gradient_pct": -0.8335618178716686, "start_distance_m": 4961.0, "end_distance_m": 4971.0, "midpoint_distance_m": 4966.0, "start_elevation_m": 985.4321840016755, "end_elevation_m": 985.3488278198884, "start_xy": [ 549710.9925158548, 6197736.578184306 ], "end_xy": [ 549709.7311542641, 6197726.906240183 ] }, "min_20m": { "gradient_pct": -0.4143002669223961, "start_distance_m": 4959.0, "end_distance_m": 4979.0, "midpoint_distance_m": 4969.0, "start_elevation_m": 985.41443638093, "end_elevation_m": 985.3315763275456, "start_xy": [ 549712.2908554462, 6197737.958516878 ], "end_xy": [ 549711.1525350991, 6197719.088499886 ] }, "min_25m": { "gradient_pct": -0.17281123915381613, "start_distance_m": 4959.0, "end_distance_m": 4984.0, "midpoint_distance_m": 4971.5, "start_elevation_m": 985.41443638093, "end_elevation_m": 985.3712335711416, "start_xy": [ 549712.2908554462, 6197737.958516878 ], "end_xy": [ 549712.7490341751, 6197714.350231141 ] }, "min_50m": { "gradient_pct": 0.28839560881624493, "start_distance_m": 5067.0, "end_distance_m": 5117.0, "midpoint_distance_m": 5092.0, "start_elevation_m": 986.3630547677517, "end_elevation_m": 986.5072525721598, "start_xy": [ 549735.3975866277, 6197634.934607838 ], "end_xy": [ 549733.9805486442, 6197584.977567897 ] }, "min_100m": { "gradient_pct": 0.6471040313035701, "start_distance_m": 5038.0, "end_distance_m": 5138.0, "midpoint_distance_m": 5088.0, "start_elevation_m": 986.0748932460014, "end_elevation_m": 986.7219972773049, "start_xy": [ 549731.0143520352, 6197663.539520174 ], "end_xy": [ 549730.006091715, 6197564.361881001 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 14.357968500343077, "start_distance_m": 347.0, "end_distance_m": 349.0, "midpoint_distance_m": 348.0, "start_elevation_m": 657.1724692522297, "end_elevation_m": 657.4596286222366, "start_xy": [ 551134.0715181069, 6199042.870967174 ], "end_xy": [ 551132.1951258973, 6199042.178758913 ] }, "max_3m": { "gradient_pct": 14.303400217158924, "start_distance_m": 346.0, "end_distance_m": 349.0, "midpoint_distance_m": 347.5, "start_elevation_m": 657.0305266157218, "end_elevation_m": 657.4596286222366, "start_xy": [ 551135.0097142117, 6199043.217071304 ], "end_xy": [ 551132.1951258973, 6199042.178758913 ] } }, "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": 0.002, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0 ], "windows_unresolved": [], "minima_resited": [], "minima_unresolved": [] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.071, "obstruction_max_height_m": 24.6, "flagged_windows_m": [ 50, 100 ] }, "excluded_ranges_m": [ [ 0.0, 26.0 ] ], "review": [], "extent": [ "may_start_earlier" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "937d2a005af5491e462567d7f33ab563f033918b", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:0048c2bbb24ab95e", "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-pyr3", "road_pbf": "block-batch-fr-pyr3.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": "sha256:79dd257545ed11dc" }, "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_E544-N6196_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E544-N6197_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E545-N6196_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E545-N6197_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E546-N6197_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E547-N6196_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E547-N6197_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E548-N6196_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E548-N6197_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E549-N6196_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E549-N6197_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E549-N6198_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E549-N6199_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E550-N6197_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E550-N6198_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E550-N6199_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E551-N6198_0m5@22LHD1IR-2025-03-20.tif", "data/cache/fr/ign-lidarhd_dtm_E551-N6199_0m5@22LHD1IR-2025-03-20.tif" ], "calculated_at": "2026-09-20T08:58:00+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr3.osm.pbf", "osm_snapshot": "", "run_id": "fr-pyr3", "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": [ "E544-N6196", "E544-N6197", "E545-N6196", "E545-N6197", "E546-N6197", "E547-N6196", "E547-N6197", "E548-N6196", "E548-N6197", "E549-N6196", "E549-N6197", "E549-N6198", "E549-N6199", "E550-N6197", "E550-N6198", "E550-N6199", "E551-N6198", "E551-N6199" ], "elevation_blocks": [ "22LHD1IR@2025-03-20" ], "ign_dalles": [ "LHD_FXX_0544_6197_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0544_6198_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0545_6197_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0545_6198_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0546_6198_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0547_6197_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0547_6198_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0548_6197_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0548_6198_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0549_6197_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0549_6198_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0549_6199_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0549_6200_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0550_6198_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0550_6199_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0550_6200_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0551_6199_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0551_6200_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD1IR" ], "ign_editions": [ "2025-03-20" ], "ign_dsm_edition": { "LHD_FXX_0544_6197_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0544_6198_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0545_6197_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0545_6198_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0546_6198_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0547_6197_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0547_6198_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0548_6197_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0548_6198_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0549_6197_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0549_6198_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0549_6199_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0549_6200_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0550_6198_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0550_6199_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0550_6200_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0551_6199_MNT_O_0M50_LAMB93_IGN69": "2025-03-20", "LHD_FXX_0551_6200_MNT_O_0M50_LAMB93_IGN69": "2025-03-20" }, "climb_origin": "named-pass", "structure_own_ways": 3, "structure_mask_ranges_m": [ [ 0.0, 15.0 ] ], "mask_basin_extension_m": 6.0, "carriageway": { "stations": 465, "stations_resolved": 465, "width_median_m": 7.75, "width_p10_m": 6.25, "width_min_m": 2.75, "width_max_m": 12.0, "bounded_share": 0.271, "unbounded_share": 0.729, "confidence_median": 0.0, "width_median_bounded_m": 7.75, "window_m": [ 4553.0, 4578.0 ], "width_at_max25_m": 8.25, "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": 465, "stations_resolved": 465, "width_median_m": 8.75, "width_p10_m": 1.6, "width_min_m": 0.0, "width_max_m": 12.0, "bounded_share": 0.632, "unbounded_share": 0.368, "confidence_median": 1.0, "width_median_bounded_m": 7.25, "window_m": [ 4553.0, 4578.0 ], "width_at_max25_m": 6.75, "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": "Sentenac-d'Oust", "county": "Ari\u00e8ge", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }