{
 "ocl_version": "0.1.0",
 "name": "Chemin de la B\u00e9n\u00e9thuili\u00e8re",
 "slug": "chemin-de-la-benethuiliere",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.31023103133225,
   "diagnostic": true,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 435.0,
   "end_distance_m": 437.0,
   "start_elevation_m": 544.4590645099267,
   "end_elevation_m": 544.9052691305534,
   "min_gradient_pct": -6.895572588842924,
   "suppressed_max_gradient_pct": 24.943321759087667,
   "suppressed_location_m": [
    896.0,
    898.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.200830123889165,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 438.0,
   "end_distance_m": 441.0,
   "start_elevation_m": 545.1166397321981,
   "end_elevation_m": 545.7826646359148,
   "min_gradient_pct": -6.788059527252699
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.075563705598142,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 435.0,
   "end_distance_m": 440.0,
   "start_elevation_m": 544.4590645099267,
   "end_elevation_m": 545.5628426952067,
   "min_gradient_pct": -6.533007758148415
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.681656156866893,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 435.0,
   "end_distance_m": 445.0,
   "start_elevation_m": 544.4590645099267,
   "end_elevation_m": 546.6272301256134,
   "min_gradient_pct": -5.851006840604214
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.938688185279375,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 426.0,
   "end_distance_m": 446.0,
   "start_elevation_m": 542.6436138463193,
   "end_elevation_m": 546.8313514833752,
   "min_gradient_pct": -3.2204643850633374
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.5317409197919,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 422.0,
   "end_distance_m": 447.0,
   "start_elevation_m": 541.8764145649822,
   "end_elevation_m": 547.0093497949301,
   "min_gradient_pct": -2.5175433189033356
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.926679441600072,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 401.0,
   "end_distance_m": 451.0,
   "start_elevation_m": 538.2429921450646,
   "end_elevation_m": 547.7063318658646,
   "min_gradient_pct": -1.290091202784879
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.26118544871906,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 395.0,
   "end_distance_m": 495.0,
   "start_elevation_m": 537.5343329035888,
   "end_elevation_m": 553.7955183523079,
   "min_gradient_pct": 0.5489769271953264
  }
 ],
 "shape": {
  "ascent_concentration": 0.436,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 121.0,
  "shape_class": "sustained"
 },
 "length_m": 1162.9999999996269,
 "start_elevation_m": 499.7265591308595,
 "end_elevation_m": 587.2717040053392,
 "endpoint_gain_m": 87.54514487447966,
 "overall_gradient_pct": 7.5275275042569,
 "accumulated_ascent_m": 90.25462732813116,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.075563705598142,
   "start_distance_m": 435.0,
   "end_distance_m": 440.0,
   "midpoint_distance_m": 437.5,
   "start_elevation_m": 544.4590645099267,
   "end_elevation_m": 545.5628426952067,
   "start_xy": [
    806846.2481498907,
    6573952.264564966
   ],
   "end_xy": [
    806841.910365276,
    6573954.751254459
   ]
  },
  "max_10m": {
   "gradient_pct": 21.681656156866893,
   "start_distance_m": 435.0,
   "end_distance_m": 445.0,
   "midpoint_distance_m": 440.0,
   "start_elevation_m": 544.4590645099267,
   "end_elevation_m": 546.6272301256134,
   "start_xy": [
    806846.2481498907,
    6573952.264564966
   ],
   "end_xy": [
    806837.5725806614,
    6573957.237943953
   ]
  },
  "max_20m": {
   "gradient_pct": 20.938688185279375,
   "start_distance_m": 426.0,
   "end_distance_m": 446.0,
   "midpoint_distance_m": 436.0,
   "start_elevation_m": 542.6436138463193,
   "end_elevation_m": 546.8313514833752,
   "start_xy": [
    806854.2628849699,
    6573948.187686389
   ],
   "end_xy": [
    806836.7050237386,
    6573957.735281851
   ]
  },
  "max_25m": {
   "gradient_pct": 20.5317409197919,
   "start_distance_m": 422.0,
   "end_distance_m": 447.0,
   "midpoint_distance_m": 434.5,
   "start_elevation_m": 541.8764145649822,
   "end_elevation_m": 547.0093497949301,
   "start_xy": [
    806857.8900476074,
    6573946.501361628
   ],
   "end_xy": [
    806835.8374668156,
    6573958.23261975
   ]
  },
  "max_50m": {
   "gradient_pct": 18.926679441600072,
   "start_distance_m": 401.0,
   "end_distance_m": 451.0,
   "midpoint_distance_m": 426.0,
   "start_elevation_m": 538.2429921450646,
   "end_elevation_m": 547.7063318658646,
   "start_xy": [
    806876.9799762297,
    6573937.759869651
   ],
   "end_xy": [
    806832.3672391239,
    6573960.221971345
   ]
  },
  "max_100m": {
   "gradient_pct": 16.26118544871906,
   "start_distance_m": 395.0,
   "end_distance_m": 495.0,
   "midpoint_distance_m": 445.0,
   "start_elevation_m": 537.5343329035888,
   "end_elevation_m": 553.7955183523079,
   "start_xy": [
    806882.5820849936,
    6573935.611293984
   ],
   "end_xy": [
    806792.24807072,
    6573977.930968353
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.533007758148415,
   "start_distance_m": 698.0,
   "end_distance_m": 703.0,
   "midpoint_distance_m": 700.5,
   "start_elevation_m": 568.7034762456831,
   "end_elevation_m": 568.3768258577757,
   "start_xy": [
    806598.7191885359,
    6573961.474157443
   ],
   "end_xy": [
    806593.7335012878,
    6573961.852208583
   ]
  },
  "min_10m": {
   "gradient_pct": -5.851006840604214,
   "start_distance_m": 695.0,
   "end_distance_m": 705.0,
   "midpoint_distance_m": 700.0,
   "start_elevation_m": 568.8739198156239,
   "end_elevation_m": 568.2888191315635,
   "start_xy": [
    806601.7106008847,
    6573961.247326761
   ],
   "end_xy": [
    806591.7392263885,
    6573962.0034290375
   ]
  },
  "min_20m": {
   "gradient_pct": -3.2204643850633374,
   "start_distance_m": 689.0,
   "end_distance_m": 709.0,
   "midpoint_distance_m": 699.0,
   "start_elevation_m": 568.9875824481417,
   "end_elevation_m": 568.343489571129,
   "start_xy": [
    806607.6934575663,
    6573960.794087429
   ],
   "end_xy": [
    806587.9981142523,
    6573963.378956085
   ]
  },
  "min_25m": {
   "gradient_pct": -2.5175433189033356,
   "start_distance_m": 645.0,
   "end_distance_m": 670.0,
   "midpoint_distance_m": 657.5,
   "start_elevation_m": 568.2285587825756,
   "end_elevation_m": 567.5991729528498,
   "start_xy": [
    806649.323664595,
    6573972.6943950765
   ],
   "end_xy": [
    806626.4945514243,
    6573962.913231238
   ]
  },
  "min_50m": {
   "gradient_pct": -1.290091202784879,
   "start_distance_m": 1083.0,
   "end_distance_m": 1133.0,
   "midpoint_distance_m": 1108.0,
   "start_elevation_m": 587.2638109684104,
   "end_elevation_m": 586.618765367018,
   "start_xy": [
    806367.7503462547,
    6573795.031754234
   ],
   "end_xy": [
    806347.0869029223,
    6573749.619463953
   ]
  },
  "min_100m": {
   "gradient_pct": 0.5489769271953264,
   "start_distance_m": 608.0,
   "end_distance_m": 708.0,
   "midpoint_distance_m": 658.0,
   "start_elevation_m": 567.7643931484339,
   "end_elevation_m": 568.3133700756292,
   "start_xy": [
    806681.1699597453,
    6573991.390674867
   ],
   "end_xy": [
    806588.9276791175,
    6573963.0102974875
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.31023103133225,
   "start_distance_m": 435.0,
   "end_distance_m": 437.0,
   "midpoint_distance_m": 436.0,
   "start_elevation_m": 544.4590645099267,
   "end_elevation_m": 544.9052691305534,
   "start_xy": [
    806846.2481498907,
    6573952.264564966
   ],
   "end_xy": [
    806844.5130360448,
    6573953.259240763
   ]
  },
  "max_3m": {
   "gradient_pct": 22.200830123889165,
   "start_distance_m": 438.0,
   "end_distance_m": 441.0,
   "midpoint_distance_m": 439.5,
   "start_elevation_m": 545.1166397321981,
   "end_elevation_m": 545.7826646359148,
   "start_xy": [
    806843.645479122,
    6573953.7565786615
   ],
   "end_xy": [
    806841.0428083531,
    6573955.248592358
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.044,
   "windows_resited": [
    2.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.229,
   "obstruction_max_height_m": 28.85,
   "flagged_windows_m": [
    100
   ]
  },
  "excluded_ranges_m": [
   [
    890.0,
    940.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "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-mc7",
   "road_pbf": "block-batch-fr-mc7.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_E806-N6573_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E806-N6574_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E807-N6573_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E807-N6574_0m5@21LHD5NK-2025-02-20.tif"
  ],
  "calculated_at": "2026-09-22T15:50:24+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc7.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc7",
  "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": [
   "E806-N6573",
   "E806-N6574",
   "E807-N6573",
   "E807-N6574"
  ],
  "elevation_blocks": [
   "21LHD5NK@2025-02-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0806_6574_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0806_6575_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0807_6574_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0807_6575_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD5NK"
  ],
  "ign_editions": [
   "2025-02-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0806_6574_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0806_6575_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0807_6574_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0807_6575_MNT_O_0M50_LAMB93_IGN69": "2025-02-20"
  },
  "route_summit_trim_m": 643.3,
  "route_summit_trim_loss_m": 40.1,
  "climb_origin": "discovered",
  "structure_own_ways": 2,
  "carriageway": {
   "stations": 53,
   "stations_resolved": 53,
   "width_median_m": 4.5,
   "width_p10_m": 3.05,
   "width_min_m": 2.25,
   "width_max_m": 12.0,
   "bounded_share": 0.283,
   "unbounded_share": 0.717,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.75,
   "window_m": [
    422.0,
    447.0
   ],
   "width_at_max25_m": 4.5,
   "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": 53,
    "stations_resolved": 53,
    "width_median_m": 4.25,
    "width_p10_m": 2.0,
    "width_min_m": 0.5,
    "width_max_m": 10.5,
    "bounded_share": 0.887,
    "unbounded_share": 0.113,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.25,
    "window_m": [
     422.0,
     447.0
    ],
    "width_at_max25_m": 4.5,
    "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": "Saint-Igny-de-Vers",
  "county": "Rh\u00f4ne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}