{ "ocl_version": "0.1.0", "name": "Cam\u00ed de Montou", "slug": "cami-de-montou", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 23.426858092216207, "diagnostic": true, "flags": [], "start_distance_m": 72.0, "end_distance_m": 74.0, "start_elevation_m": 163.28679597297455, "end_elevation_m": 163.75533313481887, "min_gradient_pct": 1.8644003114445695 }, { "window_m": 3.0, "max_gradient_pct": 22.442581105804038, "diagnostic": true, "flags": [], "start_distance_m": 71.0, "end_distance_m": 74.0, "start_elevation_m": 163.08205570164475, "end_elevation_m": 163.75533313481887, "min_gradient_pct": 1.9317606373552583 }, { "window_m": 5.0, "max_gradient_pct": 21.970058601241362, "diagnostic": false, "flags": [], "start_distance_m": 207.0, "end_distance_m": 212.0, "start_elevation_m": 187.1290474209877, "end_elevation_m": 188.22755035104976, "min_gradient_pct": 2.250590765393099 }, { "window_m": 10.0, "max_gradient_pct": 21.96810160450468, "diagnostic": false, "flags": [], "start_distance_m": 202.0, "end_distance_m": 212.0, "start_elevation_m": 186.0307401905993, "end_elevation_m": 188.22755035104976, "min_gradient_pct": 2.953042804562074 }, { "window_m": 20.0, "max_gradient_pct": 21.403769557344248, "diagnostic": false, "flags": [], "start_distance_m": 197.0, "end_distance_m": 217.0, "start_elevation_m": 184.9654331164246, "end_elevation_m": 189.24618702789346, "min_gradient_pct": 4.637735156935889 }, { "window_m": 25.0, "max_gradient_pct": 21.145908648208206, "diagnostic": false, "flags": [], "start_distance_m": 196.0, "end_distance_m": 221.0, "start_elevation_m": 184.7665510498565, "end_elevation_m": 190.05302821190855, "min_gradient_pct": 4.963742962142419 }, { "window_m": 50.0, "max_gradient_pct": 20.19026848113441, "diagnostic": false, "flags": [], "start_distance_m": 185.0, "end_distance_m": 235.0, "start_elevation_m": 182.65353375639975, "end_elevation_m": 192.74866799696696, "min_gradient_pct": 6.426877499962586 }, { "window_m": 100.0, "max_gradient_pct": 18.8604332576123, "diagnostic": false, "flags": [], "start_distance_m": 177.0, "end_distance_m": 277.0, "start_elevation_m": 181.26914334597018, "end_elevation_m": 200.12957660358248, "min_gradient_pct": 6.835675662796888 } ], "shape": { "ascent_concentration": 0.344, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 383.0, "shape_class": "sustained" }, "length_m": 655.9143310927643, "start_elevation_m": 153.2418782806238, "end_elevation_m": 239.59527102967255, "endpoint_gain_m": 86.35339274904874, "overall_gradient_pct": 13.165346243492277, "accumulated_ascent_m": 86.35339274904874, "window_maxima": { "max_5m": { "gradient_pct": 21.970058601241362, "start_distance_m": 207.0, "end_distance_m": 212.0, "midpoint_distance_m": 209.5, "start_elevation_m": 187.1290474209877, "end_elevation_m": 188.22755035104976, "start_xy": [ 673584.5636592738, 6172532.0726059945 ], "end_xy": [ 673588.5361015453, 6172529.036209709 ] }, "max_10m": { "gradient_pct": 21.96810160450468, "start_distance_m": 202.0, "end_distance_m": 212.0, "midpoint_distance_m": 207.0, "start_elevation_m": 186.0307401905993, "end_elevation_m": 188.22755035104976, "start_xy": [ 673580.5731048052, 6172535.0849302905 ], "end_xy": [ 673588.5361015453, 6172529.036209709 ] }, "max_20m": { "gradient_pct": 21.403769557344248, "start_distance_m": 197.0, "end_distance_m": 217.0, "midpoint_distance_m": 207.0, "start_elevation_m": 184.9654331164246, "end_elevation_m": 189.24618702789346, "start_xy": [ 673576.5550607893, 6172538.0607196465 ], "end_xy": [ 673592.508543817, 6172525.999813424 ] }, "max_25m": { "gradient_pct": 21.145908648208206, "start_distance_m": 196.0, "end_distance_m": 221.0, "midpoint_distance_m": 208.5, "start_elevation_m": 184.7665510498565, "end_elevation_m": 190.05302821190855, "start_xy": [ 673575.7514519863, 6172538.655877518 ], "end_xy": [ 673595.6864976343, 6172523.570696397 ] }, "max_50m": { "gradient_pct": 20.19026848113441, "start_distance_m": 185.0, "end_distance_m": 235.0, "midpoint_distance_m": 210.0, "start_elevation_m": 182.65353375639975, "end_elevation_m": 192.74866799696696, "start_xy": [ 673566.9117551513, 6172545.202614099 ], "end_xy": [ 673606.8093359947, 6172515.068786799 ] }, "max_100m": { "gradient_pct": 18.8604332576123, "start_distance_m": 177.0, "end_distance_m": 277.0, "midpoint_distance_m": 227.0, "start_elevation_m": 181.26914334597018, "end_elevation_m": 200.12957660358248, "start_xy": [ 673560.4828847259, 6172549.963877067 ], "end_xy": [ 673644.6582718018, 6172504.865836908 ] } }, "window_minima": { "min_5m": { "gradient_pct": 2.250590765393099, "start_distance_m": 648.0, "end_distance_m": 653.0, "midpoint_distance_m": 650.5, "start_elevation_m": 239.38198611290846, "end_elevation_m": 239.49451565117812, "start_xy": [ 674013.4066736092, 6172521.296372946 ], "end_xy": [ 674018.4066706387, 6172521.301823219 ] }, "min_10m": { "gradient_pct": 2.953042804562074, "start_distance_m": 645.0, "end_distance_m": 655.0, "midpoint_distance_m": 650.0, "start_elevation_m": 239.274011087433, "end_elevation_m": 239.5693153678892, "start_xy": [ 674010.4066753916, 6172521.293102782 ], "end_xy": [ 674020.4066694505, 6172521.304003329 ] }, "min_20m": { "gradient_pct": 4.637735156935889, "start_distance_m": 635.0, "end_distance_m": 655.0, "midpoint_distance_m": 645.0, "start_elevation_m": 238.64176833650203, "end_elevation_m": 239.5693153678892, "start_xy": [ 674000.4066813326, 6172521.282202235 ], "end_xy": [ 674020.4066694505, 6172521.304003329 ] }, "min_25m": { "gradient_pct": 4.963742962142419, "start_distance_m": 630.0, "end_distance_m": 655.0, "midpoint_distance_m": 642.5, "start_elevation_m": 238.3283796273536, "end_elevation_m": 239.5693153678892, "start_xy": [ 673995.4073253153, 6172521.227535631 ], "end_xy": [ 674020.4066694505, 6172521.304003329 ] }, "min_50m": { "gradient_pct": 6.426877499962586, "start_distance_m": 482.0, "end_distance_m": 532.0, "midpoint_distance_m": 507.0, "start_elevation_m": 222.855752570151, "end_elevation_m": 226.0691913201323, "start_xy": [ 673847.471417829, 6172517.101660756 ], "end_xy": [ 673897.4378440281, 6172518.781981232 ] }, "min_100m": { "gradient_pct": 6.835675662796888, "start_distance_m": 438.0, "end_distance_m": 538.0, "midpoint_distance_m": 488.0, "start_elevation_m": 219.64851537612535, "end_elevation_m": 226.48419103892223, "start_xy": [ 673803.5602577878, 6172514.44587401 ], "end_xy": [ 673903.4359755354, 6172518.931709052 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 23.426858092216207, "start_distance_m": 72.0, "end_distance_m": 74.0, "midpoint_distance_m": 73.0, "start_elevation_m": 163.28679597297455, "end_elevation_m": 163.75533313481887, "start_xy": [ 673515.1436094709, 6172641.257221264 ], "end_xy": [ 673515.5679334742, 6172639.302752246 ] }, "max_3m": { "gradient_pct": 22.442581105804038, "start_distance_m": 71.0, "end_distance_m": 74.0, "midpoint_distance_m": 72.5, "start_elevation_m": 163.08205570164475, "end_elevation_m": 163.75533313481887, "start_xy": [ 673514.9314474692, 6172642.234455773 ], "end_xy": [ 673515.5679334742, 6172639.302752246 ] } }, "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": 0.0, "obstruction_max_height_m": 0.48, "flagged_windows_m": [] }, "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-pyr4", "road_pbf": "block-batch-fr-pyr4.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:c54ac68b3f57b41b" }, "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_E673-N6172_0m5@21LHD3KS-2025-05-20.tif", "data/cache/fr/ign-lidarhd_dtm_E674-N6172_0m5@21LHD3KS-2025-05-20.tif" ], "calculated_at": "2026-09-20T08:33:53+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr4.osm.pbf", "osm_snapshot": "", "run_id": "fr-pyr4", "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": [ "E673-N6172", "E674-N6172" ], "elevation_blocks": [ "21LHD3KS@2025-05-20" ], "ign_dalles": [ "LHD_FXX_0673_6173_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0674_6173_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD3KS" ], "ign_editions": [ "2025-05-20" ], "ign_dsm_edition": { "LHD_FXX_0673_6173_MNT_O_0M50_LAMB93_IGN69": "2025-05-20", "LHD_FXX_0674_6173_MNT_O_0M50_LAMB93_IGN69": "2025-05-20" }, "climb_origin": "discovered", "structure_own_ways": 1, "carriageway": { "stations": 33, "stations_resolved": 33, "width_median_m": 5.75, "width_p10_m": 4.5, "width_min_m": 3.5, "width_max_m": 10.25, "bounded_share": 0.061, "unbounded_share": 0.939, "confidence_median": 0.0, "width_median_bounded_m": 7.88, "window_m": [ 196.0, 221.0 ], "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": 33, "stations_resolved": 33, "width_median_m": 9.0, "width_p10_m": 7.3, "width_min_m": 4.25, "width_max_m": 11.25, "bounded_share": 0.606, "unbounded_share": 0.394, "confidence_median": 0.947, "width_median_bounded_m": 8.62, "window_m": [ 196.0, 221.0 ], "width_at_max25_m": 9.0, "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": "Corb\u00e8re-les-Cabanes", "county": "Pyr\u00e9n\u00e9es-Orientales", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }