{ "ocl_version": "0.1.0", "name": "Rue Calvin", "slug": "rue-calvin", "confidence": "A", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 31.86482765487, "diagnostic": true, "flags": [], "start_distance_m": 353.0, "end_distance_m": 355.0, "start_elevation_m": 196.29529134178844, "end_elevation_m": 196.93258789488584, "min_gradient_pct": -16.217226041047184 }, { "window_m": 3.0, "max_gradient_pct": 31.846643655459655, "diagnostic": true, "flags": [], "start_distance_m": 351.0, "end_distance_m": 354.0, "start_elevation_m": 195.67585464836947, "end_elevation_m": 196.63125395803326, "min_gradient_pct": -15.694453205712003 }, { "window_m": 5.0, "max_gradient_pct": 31.532433327407148, "diagnostic": false, "flags": [], "start_distance_m": 347.0, "end_distance_m": 352.0, "start_elevation_m": 194.43013328024747, "end_elevation_m": 196.00675494661783, "min_gradient_pct": -15.585216301660694 }, { "window_m": 10.0, "max_gradient_pct": 31.25153303528947, "diagnostic": false, "flags": [], "start_distance_m": 346.0, "end_distance_m": 356.0, "start_elevation_m": 194.12324222089856, "end_elevation_m": 197.2483955244275, "min_gradient_pct": -14.642827041072337 }, { "window_m": 20.0, "max_gradient_pct": 29.953936012890523, "diagnostic": false, "flags": [], "start_distance_m": 341.0, "end_distance_m": 361.0, "start_elevation_m": 192.77669624816033, "end_elevation_m": 198.76748345073844, "min_gradient_pct": -13.36917937588666 }, { "window_m": 25.0, "max_gradient_pct": 28.52293497262042, "diagnostic": false, "flags": [], "start_distance_m": 337.0, "end_distance_m": 362.0, "start_elevation_m": 191.85231599832568, "end_elevation_m": 198.98304974148078, "min_gradient_pct": -12.669234651275133 }, { "window_m": 50.0, "max_gradient_pct": 25.79637786137022, "diagnostic": false, "flags": [], "start_distance_m": 334.0, "end_distance_m": 384.0, "start_elevation_m": 191.2075867720213, "end_elevation_m": 204.1057757027064, "min_gradient_pct": -7.595185283373496 }, { "window_m": 100.0, "max_gradient_pct": 23.11872287004519, "diagnostic": false, "flags": [], "start_distance_m": 327.0, "end_distance_m": 427.0, "start_elevation_m": 189.7279400745922, "end_elevation_m": 212.8466629446374, "min_gradient_pct": -4.295586072240297 } ], "shape": { "ascent_concentration": 0.505, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 188.0, "shape_class": "stepped" }, "length_m": 1055.9063092649249, "start_elevation_m": 177.83800237818053, "end_elevation_m": 269.42068846435586, "endpoint_gain_m": 91.58268608617533, "overall_gradient_pct": 8.673372370502372, "accumulated_ascent_m": 97.20474486865086, "window_maxima": { "max_5m": { "gradient_pct": 31.532433327407148, "start_distance_m": 347.0, "end_distance_m": 352.0, "midpoint_distance_m": 349.5, "start_elevation_m": 194.43013328024747, "end_elevation_m": 196.00675494661783, "start_xy": [ 967680.2675718557, 6261287.105051846 ], "end_xy": [ 967679.8163300013, 6261292.084648294 ] }, "max_10m": { "gradient_pct": 31.25153303528947, "start_distance_m": 346.0, "end_distance_m": 356.0, "midpoint_distance_m": 351.0, "start_elevation_m": 194.12324222089856, "end_elevation_m": 197.2483955244275, "start_xy": [ 967680.3578202265, 6261286.109132556 ], "end_xy": [ 967679.4553365179, 6261296.068325453 ] }, "max_20m": { "gradient_pct": 29.953936012890523, "start_distance_m": 341.0, "end_distance_m": 361.0, "midpoint_distance_m": 351.0, "start_elevation_m": 192.77669624816033, "end_elevation_m": 198.76748345073844, "start_xy": [ 967681.2984029452, 6261281.285513411 ], "end_xy": [ 967678.6642071647, 6261300.949508976 ] }, "max_25m": { "gradient_pct": 28.52293497262042, "start_distance_m": 337.0, "end_distance_m": 362.0, "midpoint_distance_m": 349.5, "start_elevation_m": 191.85231599832568, "end_elevation_m": 198.98304974148078, "start_xy": [ 967683.3034090161, 6261277.824308722 ], "end_xy": [ 967678.208376647, 6261301.839575569 ] }, "max_50m": { "gradient_pct": 25.79637786137022, "start_distance_m": 334.0, "end_distance_m": 384.0, "midpoint_distance_m": 359.0, "start_elevation_m": 191.2075867720213, "end_elevation_m": 204.1057757027064, "start_xy": [ 967684.8059611995, 6261275.227707687 ], "end_xy": [ 967659.295969104, 6261311.55963089 ] }, "max_100m": { "gradient_pct": 23.11872287004519, "start_distance_m": 327.0, "end_distance_m": 427.0, "midpoint_distance_m": 377.0, "start_elevation_m": 189.7279400745922, "end_elevation_m": 212.8466629446374, "start_xy": [ 967687.2389321789, 6261268.664276529 ], "end_xy": [ 967687.46270422, 6261332.571139588 ] } }, "window_minima": { "min_5m": { "gradient_pct": -15.585216301660694, "start_distance_m": 595.0, "end_distance_m": 600.0, "midpoint_distance_m": 597.5, "start_elevation_m": 234.92586110045715, "end_elevation_m": 234.14660028537412, "start_xy": [ 967590.3657106454, 6261370.594869248 ], "end_xy": [ 967594.2617100991, 6261373.727413701 ] }, "min_10m": { "gradient_pct": -14.642827041072337, "start_distance_m": 593.0, "end_distance_m": 603.0, "midpoint_distance_m": 598.0, "start_elevation_m": 235.20481582548274, "end_elevation_m": 233.7405331213755, "start_xy": [ 967588.8495290042, 6261369.290571264 ], "end_xy": [ 967596.618493833, 6261375.583638481 ] }, "min_20m": { "gradient_pct": -13.36917937588666, "start_distance_m": 588.0, "end_distance_m": 608.0, "midpoint_distance_m": 598.0, "start_elevation_m": 235.77178701208584, "end_elevation_m": 233.0979511369085, "start_xy": [ 967585.3202993772, 6261365.827296691 ], "end_xy": [ 967600.546466723, 6261378.677346446 ] }, "min_25m": { "gradient_pct": -12.669234651275133, "start_distance_m": 587.0, "end_distance_m": 612.0, "midpoint_distance_m": 599.5, "start_elevation_m": 235.8679605627431, "end_elevation_m": 232.7006518999243, "start_xy": [ 967584.8775835558, 6261364.930634714 ], "end_xy": [ 967603.6888450349, 6261381.152312818 ] }, "min_50m": { "gradient_pct": -7.595185283373496, "start_distance_m": 582.0, "end_distance_m": 632.0, "midpoint_distance_m": 607.0, "start_elevation_m": 236.05320931443086, "end_elevation_m": 232.2556166727441, "start_xy": [ 967582.6640044485, 6261360.447324828 ], "end_xy": [ 967622.4816089894, 6261387.796149751 ] }, "min_100m": { "gradient_pct": -4.295586072240297, "start_distance_m": 582.0, "end_distance_m": 682.0, "midpoint_distance_m": 632.0, "start_elevation_m": 236.05320931443086, "end_elevation_m": 231.75762324219056, "start_xy": [ 967582.6640044485, 6261360.447324828 ], "end_xy": [ 967669.9531736847, 6261403.494893185 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 31.86482765487, "start_distance_m": 353.0, "end_distance_m": 355.0, "midpoint_distance_m": 354.0, "start_elevation_m": 196.29529134178844, "end_elevation_m": 196.93258789488584, "start_xy": [ 967679.7260816304, 6261293.080567584 ], "end_xy": [ 967679.5455848887, 6261295.072406163 ] }, "max_3m": { "gradient_pct": 31.846643655459655, "start_distance_m": 351.0, "end_distance_m": 354.0, "midpoint_distance_m": 352.5, "start_elevation_m": 195.67585464836947, "end_elevation_m": 196.63125395803326, "start_xy": [ 967679.9065783721, 6261291.088729004 ], "end_xy": [ 967679.6358332596, 6261294.076486873 ] } }, "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": 0.199, "obstruction_max_height_m": 20.15, "flagged_windows_m": [] }, "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_E967-N6261_0m5@22LHD6QQ-2025-03-24.tif" ], "calculated_at": "2026-09-25T09:19:49+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": [ "E967-N6261" ], "elevation_blocks": [ "22LHD6QQ@2025-03-24" ], "ign_dalles": [ "LHD_FXX_0967_6262_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "22LHD6QQ" ], "ign_editions": [ "2025-03-24" ], "ign_dsm_edition": { "LHD_FXX_0967_6262_MNT_O_0M50_LAMB93_IGN69": "2025-03-24" }, "climb_origin": "discovered", "structure_own_ways": 3, "carriageway": { "stations": 49, "stations_resolved": 49, "width_median_m": 6.5, "width_p10_m": 4.75, "width_min_m": 4.25, "width_max_m": 12.0, "bounded_share": 0.367, "unbounded_share": 0.633, "confidence_median": 0.0, "width_median_bounded_m": 5.88, "window_m": [ 337.0, 362.0 ], "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": 49, "stations_resolved": 49, "width_median_m": 6.5, "width_p10_m": 2.45, "width_min_m": 0.5, "width_max_m": 10.5, "bounded_share": 0.776, "unbounded_share": 0.224, "confidence_median": 1.0, "width_median_bounded_m": 5.25, "window_m": [ 337.0, 362.0 ], "width_at_max25_m": 7.0, "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": "Le Luc", "county": "Var", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }