{
 "ocl_version": "0.1.0",
 "name": "Chemin des Guis",
 "slug": "chemin-des-guis",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 43.10735688630274,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 577.0,
   "end_distance_m": 579.0,
   "start_elevation_m": 192.56409459583128,
   "end_elevation_m": 193.42624173355733,
   "min_gradient_pct": -7.6852588878267625
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.93078119372698,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 577.0,
   "end_distance_m": 580.0,
   "start_elevation_m": 192.56409459583128,
   "end_elevation_m": 193.5820180316431,
   "min_gradient_pct": -6.249646280299241
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.51365987504289,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 567.0,
   "end_distance_m": 572.0,
   "start_elevation_m": 190.21135753996654,
   "end_elevation_m": 191.6870405337187,
   "min_gradient_pct": -2.8184527578991947
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.819037495355133,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 568.0,
   "end_distance_m": 578.0,
   "start_elevation_m": 190.4686835246922,
   "end_elevation_m": 193.05058727422772,
   "min_gradient_pct": 1.5210244804021045
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.489065556382428,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 609.0,
   "end_distance_m": 629.0,
   "start_elevation_m": 198.1018103984449,
   "end_elevation_m": 202.5996235097214,
   "min_gradient_pct": 2.5627186800169
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.486293618738728,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 611.0,
   "end_distance_m": 636.0,
   "start_elevation_m": 198.5491693718575,
   "end_elevation_m": 204.17074277654217,
   "min_gradient_pct": 3.01486690653428
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.13610079454833,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 608.0,
   "end_distance_m": 658.0,
   "start_elevation_m": 197.88342068785494,
   "end_elevation_m": 208.9514710851291,
   "min_gradient_pct": 4.259542075359661
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.119377159433185,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 558.0,
   "end_distance_m": 658.0,
   "start_elevation_m": 188.83209392569592,
   "end_elevation_m": 208.9514710851291,
   "min_gradient_pct": 5.169782503983441
  }
 ],
 "shape": {
  "ascent_concentration": 0.424,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 188.0,
  "shape_class": "sustained"
 },
 "length_m": 658.7160489063411,
 "start_elevation_m": 139.1529382231414,
 "end_elevation_m": 209.13209286185088,
 "endpoint_gain_m": 69.97915463870947,
 "overall_gradient_pct": 10.623569101571926,
 "accumulated_ascent_m": 70.58478231099653,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.51365987504289,
   "start_distance_m": 567.0,
   "end_distance_m": 572.0,
   "midpoint_distance_m": 569.5,
   "start_elevation_m": 190.21135753996654,
   "end_elevation_m": 191.6870405337187,
   "start_xy": [
    929759.6323992311,
    6234382.707496859
   ],
   "end_xy": [
    929754.6542856621,
    6234383.174813984
   ]
  },
  "max_10m": {
   "gradient_pct": 25.819037495355133,
   "start_distance_m": 568.0,
   "end_distance_m": 578.0,
   "midpoint_distance_m": 573.0,
   "start_elevation_m": 190.4686835246922,
   "end_elevation_m": 193.05058727422772,
   "start_xy": [
    929758.6367765173,
    6234382.800960285
   ],
   "end_xy": [
    929748.7454112048,
    6234384.1516806455
   ]
  },
  "max_20m": {
   "gradient_pct": 22.489065556382428,
   "start_distance_m": 609.0,
   "end_distance_m": 629.0,
   "midpoint_distance_m": 619.0,
   "start_elevation_m": 198.1018103984449,
   "end_elevation_m": 202.5996235097214,
   "start_xy": [
    929718.1699992638,
    6234389.137862288
   ],
   "end_xy": [
    929698.2216545072,
    6234390.097368802
   ]
  },
  "max_25m": {
   "gradient_pct": 22.486293618738728,
   "start_distance_m": 611.0,
   "end_distance_m": 636.0,
   "midpoint_distance_m": 623.5,
   "start_elevation_m": 198.5491693718575,
   "end_elevation_m": 204.17074277654217,
   "start_xy": [
    929716.1887254212,
    6234389.410908001
   ],
   "end_xy": [
    929691.2225389259,
    6234390.208639105
   ]
  },
  "max_50m": {
   "gradient_pct": 22.13610079454833,
   "start_distance_m": 608.0,
   "end_distance_m": 658.0,
   "midpoint_distance_m": 633.0,
   "start_elevation_m": 197.88342068785494,
   "end_elevation_m": 208.9514710851291,
   "start_xy": [
    929719.1606361851,
    6234389.001339433
   ],
   "end_xy": [
    929669.3934653945,
    6234392.521461537
   ]
  },
  "max_100m": {
   "gradient_pct": 20.119377159433185,
   "start_distance_m": 558.0,
   "end_distance_m": 658.0,
   "midpoint_distance_m": 608.0,
   "start_elevation_m": 188.83209392569592,
   "end_elevation_m": 208.9514710851291,
   "start_xy": [
    929768.5930036552,
    6234381.866326036
   ],
   "end_xy": [
    929669.3934653945,
    6234392.521461537
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.8184527578991947,
   "start_distance_m": 234.0,
   "end_distance_m": 239.0,
   "midpoint_distance_m": 236.5,
   "start_elevation_m": 159.86788428631476,
   "end_elevation_m": 159.7269616484198,
   "start_xy": [
    930000.2017646258,
    6234208.19529076
   ],
   "end_xy": [
    929996.6366023935,
    6234211.700945943
   ]
  },
  "min_10m": {
   "gradient_pct": 1.5210244804021045,
   "start_distance_m": 229.0,
   "end_distance_m": 239.0,
   "midpoint_distance_m": 234.0,
   "start_elevation_m": 159.5748592003796,
   "end_elevation_m": 159.7269616484198,
   "start_xy": [
    930003.7669268581,
    6234204.689635578
   ],
   "end_xy": [
    929996.6366023935,
    6234211.700945943
   ]
  },
  "min_20m": {
   "gradient_pct": 2.5627186800169,
   "start_distance_m": 346.0,
   "end_distance_m": 366.0,
   "midpoint_distance_m": 356.0,
   "start_elevation_m": 166.58797810037288,
   "end_elevation_m": 167.10052183637626,
   "start_xy": [
    929955.9488642366,
    6234309.6775779
   ],
   "end_xy": [
    929945.7890120123,
    6234326.904806429
   ]
  },
  "min_25m": {
   "gradient_pct": 3.01486690653428,
   "start_distance_m": 346.0,
   "end_distance_m": 371.0,
   "midpoint_distance_m": 358.5,
   "start_elevation_m": 166.58797810037288,
   "end_elevation_m": 167.34169482700645,
   "start_xy": [
    929955.9488642366,
    6234309.6775779
   ],
   "end_xy": [
    929943.2490489563,
    6234331.211613561
   ]
  },
  "min_50m": {
   "gradient_pct": 4.259542075359661,
   "start_distance_m": 346.0,
   "end_distance_m": 396.0,
   "midpoint_distance_m": 371.0,
   "start_elevation_m": 166.58797810037288,
   "end_elevation_m": 168.7177491380527,
   "start_xy": [
    929955.9488642366,
    6234309.6775779
   ],
   "end_xy": [
    929924.5983214291,
    6234347.647794139
   ]
  },
  "min_100m": {
   "gradient_pct": 5.169782503983441,
   "start_distance_m": 220.0,
   "end_distance_m": 320.0,
   "midpoint_distance_m": 270.0,
   "start_elevation_m": 159.0386846282015,
   "end_elevation_m": 164.20846713218495,
   "start_xy": [
    930010.1842188763,
    6234198.37945625
   ],
   "end_xy": [
    929967.6617814187,
    6234286.4904726315
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 43.10735688630274,
   "start_distance_m": 577.0,
   "end_distance_m": 579.0,
   "midpoint_distance_m": 578.0,
   "start_elevation_m": 192.56409459583128,
   "end_elevation_m": 193.42624173355733,
   "start_xy": [
    929749.7222418818,
    6234383.937667028
   ],
   "end_xy": [
    929747.7685805277,
    6234384.365694263
   ]
  },
  "max_3m": {
   "gradient_pct": 33.93078119372698,
   "start_distance_m": 577.0,
   "end_distance_m": 580.0,
   "midpoint_distance_m": 578.5,
   "start_elevation_m": 192.56409459583128,
   "end_elevation_m": 193.5820180316431,
   "start_xy": [
    929749.7222418818,
    6234383.937667028
   ],
   "end_xy": [
    929746.7917498507,
    6234384.5797078805
   ]
  }
 },
 "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": 0.095,
   "obstruction_max_height_m": 23.28,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    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-pr5",
   "road_pbf": "block-batch-fr-pr5.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_E929-N6234_0m5@21LHD7PQ-2025-03-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E930-N6234_0m5@21LHD7PQ-2025-03-14.tif"
  ],
  "calculated_at": "2026-09-25T08:54:05+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr5.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pr5",
  "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": [
   "E929-N6234",
   "E930-N6234"
  ],
  "elevation_blocks": [
   "21LHD7PQ@2025-03-14"
  ],
  "ign_dalles": [
   "LHD_FXX_0929_6235_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0930_6235_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD7PQ"
  ],
  "ign_editions": [
   "2025-03-14"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0929_6235_MNT_O_0M50_LAMB93_IGN69": "2025-03-14",
   "LHD_FXX_0930_6235_MNT_O_0M50_LAMB93_IGN69": "2025-03-14"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 3,
  "carriageway": {
   "stations": 33,
   "stations_resolved": 33,
   "width_median_m": 5.5,
   "width_p10_m": 3.3,
   "width_min_m": 2.25,
   "width_max_m": 12.0,
   "bounded_share": 0.212,
   "unbounded_share": 0.788,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.75,
   "window_m": [
    611.0,
    636.0
   ],
   "width_at_max25_m": 4.75,
   "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": 4.5,
    "width_p10_m": 1.75,
    "width_min_m": 1.25,
    "width_max_m": 12.0,
    "bounded_share": 0.727,
    "unbounded_share": 0.273,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.62,
    "window_m": [
     611.0,
     636.0
    ],
    "width_at_max25_m": 2.0,
    "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": "\u00c9venos",
  "county": "Var",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}