{ "ocl_version": "0.1.0", "name": "Chemin des Esp\u00e9rouas", "slug": "chemin-des-esperouas", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 39.8529692252481, "diagnostic": true, "flags": [], "start_distance_m": 1769.0, "end_distance_m": 1771.0, "start_elevation_m": 326.20537892330435, "end_elevation_m": 327.0024383078093, "min_gradient_pct": -11.867972244311886 }, { "window_m": 3.0, "max_gradient_pct": 32.43603941557088, "diagnostic": true, "flags": [], "start_distance_m": 1768.0, "end_distance_m": 1771.0, "start_elevation_m": 326.0293571253422, "end_elevation_m": 327.0024383078093, "min_gradient_pct": -11.658904354926372 }, { "window_m": 5.0, "max_gradient_pct": 30.09853585899691, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1766.0, "end_distance_m": 1771.0, "start_elevation_m": 325.49751151485947, "end_elevation_m": 327.0024383078093, "min_gradient_pct": -11.550173202409724 }, { "window_m": 10.0, "max_gradient_pct": 24.348896246551703, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1761.0, "end_distance_m": 1771.0, "start_elevation_m": 324.56754868315414, "end_elevation_m": 327.0024383078093, "min_gradient_pct": -11.030032893451107 }, { "window_m": 20.0, "max_gradient_pct": 21.42749960435623, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1751.0, "end_distance_m": 1771.0, "start_elevation_m": 322.71693838693807, "end_elevation_m": 327.0024383078093, "min_gradient_pct": -9.783515051922222 }, { "window_m": 25.0, "max_gradient_pct": 20.229554074207044, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1746.0, "end_distance_m": 1771.0, "start_elevation_m": 321.94504978925755, "end_elevation_m": 327.0024383078093, "min_gradient_pct": -9.251133859800916 }, { "window_m": 50.0, "max_gradient_pct": 16.827630374420778, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 249.0, "end_distance_m": 299.0, "start_elevation_m": 203.99158908157676, "end_elevation_m": 212.40540426878715, "min_gradient_pct": -6.666413948842148 }, { "window_m": 100.0, "max_gradient_pct": 14.780269610243408, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 240.0, "end_distance_m": 340.0, "start_elevation_m": 203.03798196765655, "end_elevation_m": 217.81825157789996, "min_gradient_pct": -1.7951688758799094 } ], "shape": { "ascent_concentration": 0.332, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 83.0, "shape_class": "sustained" }, "length_m": 1794.6113494662368, "start_elevation_m": 200.45856302642832, "end_elevation_m": 329.75686020505754, "endpoint_gain_m": 129.2982971786292, "overall_gradient_pct": 7.2048077271486015, "accumulated_ascent_m": 135.5323309191375, "window_maxima": { "max_5m": { "gradient_pct": 30.09853585899691, "start_distance_m": 1766.0, "end_distance_m": 1771.0, "midpoint_distance_m": 1768.5, "start_elevation_m": 325.49751151485947, "end_elevation_m": 327.0024383078093, "start_xy": [ 960711.109891837, 6251209.1448330935 ], "end_xy": [ 960712.4177833386, 6251213.970744387 ] }, "max_10m": { "gradient_pct": 24.348896246551703, "start_distance_m": 1761.0, "end_distance_m": 1771.0, "midpoint_distance_m": 1766.0, "start_elevation_m": 324.56754868315414, "end_elevation_m": 327.0024383078093, "start_xy": [ 960709.8020003354, 6251204.318921799 ], "end_xy": [ 960712.4177833386, 6251213.970744387 ] }, "max_20m": { "gradient_pct": 21.42749960435623, "start_distance_m": 1751.0, "end_distance_m": 1771.0, "midpoint_distance_m": 1761.0, "start_elevation_m": 322.71693838693807, "end_elevation_m": 327.0024383078093, "start_xy": [ 960705.9837368259, 6251195.108247581 ], "end_xy": [ 960712.4177833386, 6251213.970744387 ] }, "max_25m": { "gradient_pct": 20.229554074207044, "start_distance_m": 1746.0, "end_distance_m": 1771.0, "midpoint_distance_m": 1758.5, "start_elevation_m": 321.94504978925755, "end_elevation_m": 327.0024383078093, "start_xy": [ 960702.1730789687, 6251192.414716306 ], "end_xy": [ 960712.4177833386, 6251213.970744387 ] }, "max_50m": { "gradient_pct": 16.827630374420778, "start_distance_m": 249.0, "end_distance_m": 299.0, "midpoint_distance_m": 274.0, "start_elevation_m": 203.99158908157676, "end_elevation_m": 212.40540426878715, "start_xy": [ 960247.122688264, 6250014.015247908 ], "end_xy": [ 960257.8983326813, 6250062.8235503305 ] }, "max_100m": { "gradient_pct": 14.780269610243408, "start_distance_m": 240.0, "end_distance_m": 340.0, "midpoint_distance_m": 290.0, "start_elevation_m": 203.03798196765655, "end_elevation_m": 217.81825157789996, "start_xy": [ 960244.9358942509, 6250005.286548825 ], "end_xy": [ 960267.989752358, 6250102.301698837 ] } }, "window_minima": { "min_5m": { "gradient_pct": -11.550173202409724, "start_distance_m": 189.0, "end_distance_m": 194.0, "midpoint_distance_m": 191.5, "start_elevation_m": 205.25792994340742, "end_elevation_m": 204.68042128328693, "start_xy": [ 960234.7119631473, 6249955.321848958 ], "end_xy": [ 960235.7143093338, 6249960.220348945 ] }, "min_10m": { "gradient_pct": -11.030032893451107, "start_distance_m": 186.0, "end_distance_m": 196.0, "midpoint_distance_m": 191.0, "start_elevation_m": 205.57216636469346, "end_elevation_m": 204.46916307534835, "start_xy": [ 960234.1105554353, 6249952.382748965 ], "end_xy": [ 960236.1152478085, 6249962.179748939 ] }, "min_20m": { "gradient_pct": -9.783515051922222, "start_distance_m": 182.0, "end_distance_m": 202.0, "midpoint_distance_m": 192.0, "start_elevation_m": 205.9331130399467, "end_elevation_m": 203.97641002956226, "start_xy": [ 960233.8576915582, 6249948.405353519 ], "end_xy": [ 960237.3180632325, 6249968.057948924 ] }, "min_25m": { "gradient_pct": -9.251133859800916, "start_distance_m": 182.0, "end_distance_m": 207.0, "midpoint_distance_m": 194.5, "start_elevation_m": 205.9331130399467, "end_elevation_m": 203.62032957499648, "start_xy": [ 960233.8576915582, 6249948.405353519 ], "end_xy": [ 960238.3204094191, 6249972.956448911 ] }, "min_50m": { "gradient_pct": -6.666413948842148, "start_distance_m": 176.0, "end_distance_m": 226.0, "midpoint_distance_m": 201.0, "start_elevation_m": 206.12166426662833, "end_elevation_m": 202.78845729220726, "start_xy": [ 960233.7927994668, 6249942.405704444 ], "end_xy": [ 960242.1293249283, 6249991.570748861 ] }, "min_100m": { "gradient_pct": -1.7951688758799094, "start_distance_m": 352.0, "end_distance_m": 452.0, "midpoint_distance_m": 402.0, "start_elevation_m": 218.1671287185109, "end_elevation_m": 216.371959842631, "start_xy": [ 960275.3826009795, 6250111.753988996 ], "end_xy": [ 960372.0725913852, 6250115.730658815 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 39.8529692252481, "start_distance_m": 1769.0, "end_distance_m": 1771.0, "midpoint_distance_m": 1770.0, "start_elevation_m": 326.20537892330435, "end_elevation_m": 327.0024383078093, "start_xy": [ 960711.8946267379, 6251212.04037987 ], "end_xy": [ 960712.4177833386, 6251213.970744387 ] }, "max_3m": { "gradient_pct": 32.43603941557088, "start_distance_m": 1768.0, "end_distance_m": 1771.0, "midpoint_distance_m": 1769.5, "start_elevation_m": 326.0293571253422, "end_elevation_m": 327.0024383078093, "start_xy": [ 960711.6330484377, 6251211.075197611 ], "end_xy": [ 960712.4177833386, 6251213.970744387 ] } }, "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": 0.372, "obstruction_max_height_m": 22.84, "flagged_windows_m": [ 5, 10, 20, 25, 50, 100 ] }, "review": [], "extent": [ "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "41205ec4649bb0a4093af76ff34281a5d9a13832", "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-pr6", "road_pbf": "block-batch-fr-pr6.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:ba95a0bf562c86eb" }, "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_E960-N6249_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E960-N6250_0m5@22LHD6QQ-2025-03-24.tif", "data/cache/fr/ign-lidarhd_dtm_E960-N6251_0m5@22LHD6QQ-2025-03-24.tif" ], "calculated_at": "2026-09-25T09:18:04+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr6.osm.pbf", "osm_snapshot": "", "run_id": "fr-pr6", "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": [ "E960-N6249", "E960-N6250", "E960-N6251" ], "elevation_blocks": [ "22LHD6QQ@2025-03-24" ], "ign_dalles": [ "LHD_FXX_0960_6250_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0960_6251_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0960_6252_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD6QQ" ], "ign_editions": [ "2025-03-24" ], "ign_dsm_edition": { "LHD_FXX_0960_6250_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0960_6251_MNT_O_0M50_LAMB93_IGN69": "2025-03-24", "LHD_FXX_0960_6252_MNT_O_0M50_LAMB93_IGN69": "2025-03-24" }, "climb_origin": "discovered", "structure_own_ways": 3, "carriageway": { "stations": 78, "stations_resolved": 78, "width_median_m": 4.25, "width_p10_m": 2.67, "width_min_m": 0.75, "width_max_m": 12.0, "bounded_share": 0.41, "unbounded_share": 0.59, "confidence_median": 0.0, "width_median_bounded_m": 4.0, "window_m": [ 1746.0, 1771.0 ], "width_at_max25_m": 2.25, "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": 78, "stations_resolved": 78, "width_median_m": 2.5, "width_p10_m": 0.93, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.872, "unbounded_share": 0.128, "confidence_median": 1.0, "width_median_bounded_m": 2.25, "window_m": [ 1746.0, 1771.0 ], "width_at_max25_m": 3.0, "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": "Carnoules", "county": "Var", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }