{
 "ocl_version": "0.1.0",
 "name": "CR du Priout \u00e0 la Bugue",
 "slug": "cr-du-priout-a-la-bugue",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.5054406711468,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 787.0,
   "end_distance_m": 789.0,
   "start_elevation_m": 231.46842137756482,
   "end_elevation_m": 232.09853019098776,
   "min_gradient_pct": -18.105374888411063,
   "suppressed_max_gradient_pct": 61.0753113833411,
   "suppressed_location_m": [
    824.0,
    826.0
   ],
   "suppressed_min_gradient_pct": -24.751197832397054,
   "suppressed_min_location_m": [
    821.0,
    823.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.45799183713488,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 787.0,
   "end_distance_m": 790.0,
   "start_elevation_m": 231.46842137756482,
   "end_elevation_m": 232.26216113267887,
   "min_gradient_pct": -12.12616976460481,
   "suppressed_max_gradient_pct": 48.93958914051856,
   "suppressed_location_m": [
    843.0,
    846.0
   ],
   "suppressed_min_gradient_pct": -18.968119095964653,
   "suppressed_min_location_m": [
    820.0,
    823.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.299030823325324,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 634.0,
   "end_distance_m": 639.0,
   "start_elevation_m": 214.47998549625018,
   "end_elevation_m": 215.54493703741645,
   "min_gradient_pct": -6.644803611850421,
   "suppressed_max_gradient_pct": 38.68399224308121,
   "suppressed_location_m": [
    842.0,
    847.0
   ],
   "suppressed_min_gradient_pct": -16.626823892557354,
   "suppressed_min_location_m": [
    819.0,
    824.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.979917696465975,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 629.0,
   "end_distance_m": 639.0,
   "start_elevation_m": 213.44694526776985,
   "end_elevation_m": 215.54493703741645,
   "min_gradient_pct": -4.022995154882949,
   "suppressed_max_gradient_pct": 25.829243337235823,
   "suppressed_location_m": [
    837.0,
    847.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.743513210788223,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 625.0,
   "end_distance_m": 645.0,
   "start_elevation_m": 212.62725208139034,
   "end_elevation_m": 216.77595472354798,
   "min_gradient_pct": -3.1373026334634346
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.63317604484905,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 621.0,
   "end_distance_m": 646.0,
   "start_elevation_m": 211.83544850317486,
   "end_elevation_m": 216.99374251438712,
   "min_gradient_pct": -2.616901232827786
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.138300237988062,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 607.0,
   "end_distance_m": 657.0,
   "start_elevation_m": 209.36010233701546,
   "end_elevation_m": 218.9292524560095,
   "min_gradient_pct": -0.33936685004778155
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.087907094634602,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 585.0,
   "end_distance_m": 685.0,
   "start_elevation_m": 206.5168027829048,
   "end_elevation_m": 222.6047098775394,
   "min_gradient_pct": 1.8629711946926193
  }
 ],
 "shape": {
  "ascent_concentration": 0.37,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 113.0,
  "shape_class": "sustained"
 },
 "length_m": 852.0339553039761,
 "start_elevation_m": 161.000305359366,
 "end_elevation_m": 237.89853623049257,
 "endpoint_gain_m": 76.89823087112657,
 "overall_gradient_pct": 9.025254262747305,
 "accumulated_ascent_m": 80.302190518195,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.299030823325324,
   "start_distance_m": 634.0,
   "end_distance_m": 639.0,
   "midpoint_distance_m": 636.5,
   "start_elevation_m": 214.47998549625018,
   "end_elevation_m": 215.54493703741645,
   "start_xy": [
    593532.5471783236,
    6309212.911477001
   ],
   "end_xy": [
    593537.40060787,
    6309211.709725401
   ]
  },
  "max_10m": {
   "gradient_pct": 20.979917696465975,
   "start_distance_m": 629.0,
   "end_distance_m": 639.0,
   "midpoint_distance_m": 634.0,
   "start_elevation_m": 213.44694526776985,
   "end_elevation_m": 215.54493703741645,
   "start_xy": [
    593527.6842312971,
    6309214.074123215
   ],
   "end_xy": [
    593537.40060787,
    6309211.709725401
   ]
  },
  "max_20m": {
   "gradient_pct": 20.743513210788223,
   "start_distance_m": 625.0,
   "end_distance_m": 645.0,
   "midpoint_distance_m": 635.0,
   "start_elevation_m": 212.62725208139034,
   "end_elevation_m": 216.77595472354798,
   "start_xy": [
    593523.7938736759,
    6309215.004240186
   ],
   "end_xy": [
    593543.2246194715,
    6309210.267196765
   ]
  },
  "max_25m": {
   "gradient_pct": 20.63317604484905,
   "start_distance_m": 621.0,
   "end_distance_m": 646.0,
   "midpoint_distance_m": 633.5,
   "start_elevation_m": 211.83544850317486,
   "end_elevation_m": 216.99374251438712,
   "start_xy": [
    593519.9035160547,
    6309215.934357156
   ],
   "end_xy": [
    593544.1952880718,
    6309210.026775326
   ]
  },
  "max_50m": {
   "gradient_pct": 19.138300237988062,
   "start_distance_m": 607.0,
   "end_distance_m": 657.0,
   "midpoint_distance_m": 632.0,
   "start_elevation_m": 209.36010233701546,
   "end_elevation_m": 218.9292524560095,
   "start_xy": [
    593506.2872643805,
    6309219.189766553
   ],
   "end_xy": [
    593554.8726426744,
    6309207.382139493
   ]
  },
  "max_100m": {
   "gradient_pct": 16.087907094634602,
   "start_distance_m": 585.0,
   "end_distance_m": 685.0,
   "midpoint_distance_m": 635.0,
   "start_elevation_m": 206.5168027829048,
   "end_elevation_m": 222.6047098775394,
   "start_xy": [
    593484.8717548498,
    6309224.213899866
   ],
   "end_xy": [
    593582.4426379729,
    6309202.87570409
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.644803611850421,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 161.000305359366,
   "end_elevation_m": 160.66806517877347,
   "start_xy": [
    592973.708,
    6309190.928
   ],
   "end_xy": [
    592975.6718697138,
    6309186.329824737
   ]
  },
  "min_10m": {
   "gradient_pct": -4.022995154882949,
   "start_distance_m": 406.0,
   "end_distance_m": 416.0,
   "midpoint_distance_m": 411.0,
   "start_elevation_m": 193.5239280116977,
   "end_elevation_m": 193.1216284962094,
   "start_xy": [
    593345.9913327893,
    6309132.988932521
   ],
   "end_xy": [
    593355.8789995426,
    6309134.436421457
   ]
  },
  "min_20m": {
   "gradient_pct": -3.1373026334634346,
   "start_distance_m": 406.0,
   "end_distance_m": 426.0,
   "midpoint_distance_m": 416.0,
   "start_elevation_m": 193.5239280116977,
   "end_elevation_m": 192.89646748500502,
   "start_xy": [
    593345.9913327893,
    6309132.988932521
   ],
   "end_xy": [
    593365.6753543695,
    6309136.444264106
   ]
  },
  "min_25m": {
   "gradient_pct": -2.616901232827786,
   "start_distance_m": 406.0,
   "end_distance_m": 431.0,
   "midpoint_distance_m": 418.5,
   "start_elevation_m": 193.5239280116977,
   "end_elevation_m": 192.86970270349076,
   "start_xy": [
    593345.9913327893,
    6309132.988932521
   ],
   "end_xy": [
    593370.573531783,
    6309137.448185431
   ]
  },
  "min_50m": {
   "gradient_pct": -0.33936685004778155,
   "start_distance_m": 404.0,
   "end_distance_m": 454.0,
   "midpoint_distance_m": 429.0,
   "start_elevation_m": 193.51970257116193,
   "end_elevation_m": 193.35001914613804,
   "start_xy": [
    593344.005922689,
    6309132.747796391
   ],
   "end_xy": [
    593391.936119088,
    6309145.864666369
   ]
  },
  "min_100m": {
   "gradient_pct": 1.8629711946926193,
   "start_distance_m": 392.0,
   "end_distance_m": 492.0,
   "midpoint_distance_m": 442.0,
   "start_elevation_m": 192.91267318011435,
   "end_elevation_m": 194.77564437480697,
   "start_xy": [
    593332.0927073465,
    6309131.307206164
   ],
   "end_xy": [
    593417.4781679224,
    6309173.506543979
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.5054406711468,
   "start_distance_m": 787.0,
   "end_distance_m": 789.0,
   "midpoint_distance_m": 788.0,
   "start_elevation_m": 231.46842137756482,
   "end_elevation_m": 232.09853019098776,
   "start_xy": [
    593681.4348661504,
    6309210.313086216
   ],
   "end_xy": [
    593682.5650531022,
    6309211.953742587
   ]
  },
  "max_3m": {
   "gradient_pct": 26.45799183713488,
   "start_distance_m": 787.0,
   "end_distance_m": 790.0,
   "midpoint_distance_m": 788.5,
   "start_elevation_m": 231.46842137756482,
   "end_elevation_m": 232.26216113267887,
   "start_xy": [
    593681.4348661504,
    6309210.313086216
   ],
   "end_xy": [
    593683.1118330312,
    6309212.791018951
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.021,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0
   ],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.304,
   "obstruction_max_height_m": 17.06,
   "flagged_windows_m": [
    2,
    3
   ]
  },
  "excluded_ranges_m": [
   [
    822.0,
    827.0
   ],
   [
    829.0,
    834.0
   ],
   [
    843.0,
    848.0
   ]
  ],
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "1cc9fdcd6556a02163cb21acb2293cad3067d2a1",
   "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-mc1",
   "road_pbf": "block-batch-fr-mc1.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_E592-N6309_0m5@22LHD2JP-2025-04-09.tif",
   "data/cache/fr/ign-lidarhd_dtm_E593-N6309_0m5@22LHD2JP-2025-04-09.tif"
  ],
  "calculated_at": "2026-09-22T16:11:43+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc1",
  "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": [
   "E592-N6309",
   "E593-N6309"
  ],
  "elevation_blocks": [
   "22LHD2JP@2025-04-09"
  ],
  "ign_dalles": [
   "LHD_FXX_0592_6310_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0593_6310_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD2JP"
  ],
  "ign_editions": [
   "2025-04-09"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0592_6310_MNT_O_0M50_LAMB93_IGN69": "2025-04-09",
   "LHD_FXX_0593_6310_MNT_O_0M50_LAMB93_IGN69": "2025-04-09"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 1,
  "carriageway": {
   "stations": 41,
   "stations_resolved": 41,
   "width_median_m": 3.0,
   "width_p10_m": 2.0,
   "width_min_m": 1.25,
   "width_max_m": 12.0,
   "bounded_share": 0.463,
   "unbounded_share": 0.537,
   "confidence_median": 0.0,
   "width_median_bounded_m": 2.75,
   "window_m": [
    621.0,
    646.0
   ],
   "width_at_max25_m": 2.5,
   "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": 41,
    "stations_resolved": 41,
    "width_median_m": 4.0,
    "width_p10_m": 0.5,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.829,
    "unbounded_share": 0.171,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.25,
    "window_m": [
     621.0,
     646.0
    ],
    "width_at_max25_m": 3.25,
    "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": "Rabastens",
  "county": "Tarn",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}