{
 "ocl_version": "0.1.0",
 "name": "Col de Tentes from Gavarnie",
 "slug": "col-de-tentes-from-gavarnie",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 13.29499240135874,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 973.0,
   "end_distance_m": 975.0,
   "start_elevation_m": 1469.4062434951613,
   "end_elevation_m": 1469.6721433431885,
   "min_gradient_pct": -0.11821836253602669,
   "suppressed_max_gradient_pct": 201.3095463718173,
   "suppressed_location_m": [
    308.0,
    310.0
   ],
   "suppressed_min_gradient_pct": -209.04373848636624,
   "suppressed_min_location_m": [
    1598.0,
    1600.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 13.084141044843514,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 972.0,
   "end_distance_m": 975.0,
   "start_elevation_m": 1469.2796191118432,
   "end_elevation_m": 1469.6721433431885,
   "min_gradient_pct": -0.03129495734507751,
   "suppressed_max_gradient_pct": 198.43595586784582,
   "suppressed_location_m": [
    308.0,
    311.0
   ],
   "suppressed_min_gradient_pct": -206.2086869539447,
   "suppressed_min_location_m": [
    1597.0,
    1600.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 12.295500785903641,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 7166.0,
   "end_distance_m": 7171.0,
   "start_elevation_m": 1995.3538308493169,
   "end_elevation_m": 1995.968605888612,
   "min_gradient_pct": 0.32824338362388517,
   "suppressed_max_gradient_pct": 189.78422818834588,
   "suppressed_location_m": [
    307.0,
    312.0
   ],
   "suppressed_min_gradient_pct": -169.58031211713205,
   "suppressed_min_location_m": [
    1596.0,
    1601.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 12.12355933312665,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 7164.0,
   "end_distance_m": 7174.0,
   "start_elevation_m": 1995.1096975925516,
   "end_elevation_m": 1996.3220535258642,
   "min_gradient_pct": 0.8512872801998128,
   "suppressed_max_gradient_pct": 100.43073677368739,
   "suppressed_location_m": [
    306.0,
    316.0
   ],
   "suppressed_min_gradient_pct": -90.37434739971104,
   "suppressed_min_location_m": [
    1596.0,
    1606.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 11.806743962197288,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 7164.0,
   "end_distance_m": 7184.0,
   "start_elevation_m": 1995.1096975925516,
   "end_elevation_m": 1997.471046384991,
   "min_gradient_pct": 1.2891002976857635,
   "suppressed_max_gradient_pct": 55.59141617577893,
   "suppressed_location_m": [
    1606.0,
    1626.0
   ],
   "suppressed_min_gradient_pct": -42.746689824942905,
   "suppressed_min_location_m": [
    1586.0,
    1606.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 11.7138959745389,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 7164.0,
   "end_distance_m": 7189.0,
   "start_elevation_m": 1995.1096975925516,
   "end_elevation_m": 1998.0381715861863,
   "min_gradient_pct": 1.6342815024418087,
   "suppressed_max_gradient_pct": 46.259470289877754,
   "suppressed_location_m": [
    1606.0,
    1631.0
   ],
   "suppressed_min_gradient_pct": -32.962378637669644,
   "suppressed_min_location_m": [
    1581.0,
    1606.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 11.430033982579971,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 7155.0,
   "end_distance_m": 7205.0,
   "start_elevation_m": 1994.1411320157297,
   "end_elevation_m": 1999.8561490070197,
   "min_gradient_pct": 2.4476012216259733,
   "suppressed_max_gradient_pct": 28.00485796384828,
   "suppressed_location_m": [
    1606.0,
    1656.0
   ],
   "suppressed_min_gradient_pct": -13.363192831842298,
   "suppressed_min_location_m": [
    1556.0,
    1606.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 10.533865806419954,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 7155.0,
   "end_distance_m": 7255.0,
   "start_elevation_m": 1994.1411320157297,
   "end_elevation_m": 2004.6749978221496,
   "min_gradient_pct": 2.7738920577203316,
   "suppressed_max_gradient_pct": 18.59823107636271,
   "suppressed_location_m": [
    1606.0,
    1706.0
   ],
   "suppressed_min_gradient_pct": -2.3030548842471035,
   "suppressed_min_location_m": [
    1506.0,
    1606.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.284,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 93.0,
  "shape_class": "sustained"
 },
 "length_m": 9963.285549555687,
 "start_elevation_m": 1389.7424618203129,
 "end_elevation_m": 2207.0430032968743,
 "endpoint_gain_m": 817.3005414765614,
 "overall_gradient_pct": 8.203122729058077,
 "accumulated_ascent_m": 835.6532003233897,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 12.295500785903641,
   "start_distance_m": 7166.0,
   "end_distance_m": 7171.0,
   "midpoint_distance_m": 7168.5,
   "start_elevation_m": 1995.3538308493169,
   "end_elevation_m": 1995.968605888612,
   "start_xy": [
    450220.415988921,
    6185173.186886943
   ],
   "end_xy": [
    450221.51329980366,
    6185168.308781899
   ]
  },
  "max_10m": {
   "gradient_pct": 12.12355933312665,
   "start_distance_m": 7164.0,
   "end_distance_m": 7174.0,
   "midpoint_distance_m": 7169.0,
   "start_elevation_m": 1995.1096975925516,
   "end_elevation_m": 1996.3220535258642,
   "start_xy": [
    450219.97706456797,
    6185175.1381289605
   ],
   "end_xy": [
    450222.17168633325,
    6185165.381918872
   ]
  },
  "max_20m": {
   "gradient_pct": 11.806743962197288,
   "start_distance_m": 7164.0,
   "end_distance_m": 7184.0,
   "midpoint_distance_m": 7174.0,
   "start_elevation_m": 1995.1096975925516,
   "end_elevation_m": 1997.471046384991,
   "start_xy": [
    450219.97706456797,
    6185175.1381289605
   ],
   "end_xy": [
    450224.36630809854,
    6185155.625708782
   ]
  },
  "max_25m": {
   "gradient_pct": 11.7138959745389,
   "start_distance_m": 7164.0,
   "end_distance_m": 7189.0,
   "midpoint_distance_m": 7176.5,
   "start_elevation_m": 1995.1096975925516,
   "end_elevation_m": 1998.0381715861863,
   "start_xy": [
    450219.97706456797,
    6185175.1381289605
   ],
   "end_xy": [
    450225.4636189812,
    6185150.747603738
   ]
  },
  "max_50m": {
   "gradient_pct": 11.430033982579971,
   "start_distance_m": 7155.0,
   "end_distance_m": 7205.0,
   "midpoint_distance_m": 7180.0,
   "start_elevation_m": 1994.1411320157297,
   "end_elevation_m": 1999.8561490070197,
   "start_xy": [
    450219.0668402249,
    6185183.942371507
   ],
   "end_xy": [
    450224.8860066399,
    6185134.927760804
   ]
  },
  "max_100m": {
   "gradient_pct": 10.533865806419954,
   "start_distance_m": 7155.0,
   "end_distance_m": 7255.0,
   "midpoint_distance_m": 7205.0,
   "start_elevation_m": 1994.1411320157297,
   "end_elevation_m": 2004.6749978221496,
   "start_xy": [
    450219.0668402249,
    6185183.942371507
   ],
   "end_xy": [
    450186.628379062,
    6185104.58021943
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.32824338362388517,
   "start_distance_m": 3914.0,
   "end_distance_m": 3919.0,
   "midpoint_distance_m": 3916.5,
   "start_elevation_m": 1726.7187517527395,
   "end_elevation_m": 1726.7351639219207,
   "start_xy": [
    451606.343580558,
    6186707.7227283325
   ],
   "end_xy": [
    451603.5269695301,
    6186703.740105727
   ]
  },
  "min_10m": {
   "gradient_pct": 0.8512872801998128,
   "start_distance_m": 2.0,
   "end_distance_m": 12.0,
   "midpoint_distance_m": 7.0,
   "start_elevation_m": 1389.7507174041195,
   "end_elevation_m": 1389.8358461321395,
   "start_xy": [
    452878.59274954774,
    6187066.7016542135
   ],
   "end_xy": [
    452876.3321393468,
    6187058.0848885095
   ]
  },
  "min_20m": {
   "gradient_pct": 1.2891002976857635,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 1389.7424618203129,
   "end_elevation_m": 1390.00028187985,
   "start_xy": [
    452880.336,
    6187067.682
   ],
   "end_xy": [
    452877.85619093553,
    6187050.2328408025
   ]
  },
  "min_25m": {
   "gradient_pct": 1.6342815024418087,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 1389.7424618203129,
   "end_elevation_m": 1390.1510321959233,
   "start_xy": [
    452880.336,
    6187067.682
   ],
   "end_xy": [
    452878.76226542366,
    6187045.315623193
   ]
  },
  "min_50m": {
   "gradient_pct": 2.4476012216259733,
   "start_distance_m": 5346.0,
   "end_distance_m": 5396.0,
   "midpoint_distance_m": 5371.0,
   "start_elevation_m": 1838.4344397531497,
   "end_elevation_m": 1839.6582403639627,
   "start_xy": [
    451532.1457340041,
    6185756.979204167
   ],
   "end_xy": [
    451505.20511754166,
    6185717.585287028
   ]
  },
  "min_100m": {
   "gradient_pct": 2.7738920577203316,
   "start_distance_m": 5304.0,
   "end_distance_m": 5404.0,
   "midpoint_distance_m": 5354.0,
   "start_elevation_m": 1837.1659416541536,
   "end_elevation_m": 1839.939833711874,
   "start_xy": [
    451569.21708458685,
    6185776.652297092
   ],
   "end_xy": [
    451503.0453815877,
    6185709.882479736
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 13.29499240135874,
   "start_distance_m": 973.0,
   "end_distance_m": 975.0,
   "midpoint_distance_m": 974.0,
   "start_elevation_m": 1469.4062434951613,
   "end_elevation_m": 1469.6721433431885,
   "start_xy": [
    452568.5470149113,
    6186799.694032007
   ],
   "end_xy": [
    452567.52619302727,
    6186801.413893246
   ]
  },
  "max_3m": {
   "gradient_pct": 13.084141044843514,
   "start_distance_m": 972.0,
   "end_distance_m": 975.0,
   "midpoint_distance_m": 973.5,
   "start_elevation_m": 1469.2796191118432,
   "end_elevation_m": 1469.6721433431885,
   "start_xy": [
    452569.05742585333,
    6186798.834101387
   ],
   "end_xy": [
    452567.52619302727,
    6186801.413893246
   ]
  }
 },
 "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": 0.01,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.006,
   "obstruction_max_height_m": 43.24,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    284.0,
    319.0
   ],
   [
    1211.0,
    1216.0
   ],
   [
    1592.0,
    1625.0
   ],
   [
    4507.0,
    4532.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "06fa4c370391597f015858e97dcf01ca2f5b3640",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:0048c2bbb24ab95e",
   "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-pyr2",
   "road_pbf": "block-batch-fr-pyr2.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:c54ac68b3f57b41b"
  },
  "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_E449-N6184_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E449-N6185_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E450-N6184_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E450-N6185_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E451-N6185_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E451-N6186_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E451-N6187_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E452-N6185_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E452-N6186_0m5@21LHD1GR2-2025-04-03.tif",
   "data/cache/fr/ign-lidarhd_dtm_E452-N6187_0m5@21LHD1GR2-2025-04-03.tif"
  ],
  "calculated_at": "2026-09-20T06:19:04+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr2.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pyr2",
  "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": [
   "E449-N6184",
   "E449-N6185",
   "E450-N6184",
   "E450-N6185",
   "E451-N6185",
   "E451-N6186",
   "E451-N6187",
   "E452-N6185",
   "E452-N6186",
   "E452-N6187"
  ],
  "elevation_blocks": [
   "21LHD1GR2@2025-04-03"
  ],
  "ign_dalles": [
   "LHD_FXX_0449_6185_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0449_6186_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0450_6185_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0450_6186_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0451_6186_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0451_6187_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0451_6188_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0452_6186_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0452_6187_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0452_6188_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD1GR2"
  ],
  "ign_editions": [
   "2025-04-03"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0449_6185_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0449_6186_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0450_6185_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0450_6186_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0451_6186_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0451_6187_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0451_6188_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0452_6186_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0452_6187_MNT_O_0M50_LAMB93_IGN69": "2025-04-03",
   "LHD_FXX_0452_6188_MNT_O_0M50_LAMB93_IGN69": "2025-04-03"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": 17,
  "structure_mask_ranges_m": [
   [
    289.0,
    314.2
   ],
   [
    4513.0,
    4527.1
   ],
   [
    1597.2,
    1620.4
   ]
  ],
  "carriageway": {
   "stations": 405,
   "stations_resolved": 405,
   "width_median_m": 7.75,
   "width_p10_m": 6.1,
   "width_min_m": 2.75,
   "width_max_m": 12.0,
   "bounded_share": 0.254,
   "unbounded_share": 0.746,
   "confidence_median": 0.0,
   "width_median_bounded_m": 7.75,
   "window_m": [
    7164.0,
    7189.0
   ],
   "width_at_max25_m": 7.25,
   "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": 405,
    "stations_resolved": 405,
    "width_median_m": 10.75,
    "width_p10_m": 8.5,
    "width_min_m": 5.25,
    "width_max_m": 12.0,
    "bounded_share": 0.336,
    "unbounded_share": 0.664,
    "confidence_median": 0.0,
    "width_median_bounded_m": 9.5,
    "window_m": [
     7164.0,
     7189.0
    ],
    "width_at_max25_m": 11.0,
    "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": "Gavarnie-G\u00e8dre",
  "county": "Hautes-Pyr\u00e9n\u00e9es",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}