{
 "ocl_version": "0.1.0",
 "name": "Col d'Agnes from Aulus-les-Bains",
 "slug": "col-d-agnes-from-aulus-les-bains",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 15.708317818985051,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 379.0,
   "end_distance_m": 381.0,
   "start_elevation_m": 803.3351671620716,
   "end_elevation_m": 803.6493335184513,
   "min_gradient_pct": -0.8741593149238724,
   "suppressed_max_gradient_pct": 371.31685840782893,
   "suppressed_location_m": [
    2833.0,
    2835.0
   ],
   "suppressed_min_gradient_pct": -356.05449382677534,
   "suppressed_min_location_m": [
    2830.0,
    2832.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 14.458204038839995,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 379.0,
   "end_distance_m": 382.0,
   "start_elevation_m": 803.3351671620716,
   "end_elevation_m": 803.7689132832368,
   "min_gradient_pct": -0.6307329567334818,
   "suppressed_max_gradient_pct": 248.84478166758677,
   "suppressed_location_m": [
    2833.0,
    2836.0
   ],
   "suppressed_min_gradient_pct": -238.5809537794709,
   "suppressed_min_location_m": [
    2830.0,
    2833.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 13.617561935056983,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 379.0,
   "end_distance_m": 384.0,
   "start_elevation_m": 803.3351671620716,
   "end_elevation_m": 804.0160452588244,
   "min_gradient_pct": -0.3599587882126798,
   "suppressed_max_gradient_pct": 152.39981778121546,
   "suppressed_location_m": [
    2833.0,
    2838.0
   ],
   "suppressed_min_gradient_pct": -141.23727446849898,
   "suppressed_min_location_m": [
    2828.0,
    2833.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 13.169618424967666,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 4349.0,
   "end_distance_m": 4359.0,
   "start_elevation_m": 1169.1041236546741,
   "end_elevation_m": 1170.421085497171,
   "min_gradient_pct": 0.005756188761552039,
   "suppressed_max_gradient_pct": 78.65937734579347,
   "suppressed_location_m": [
    2833.0,
    2843.0
   ],
   "suppressed_min_gradient_pct": -67.89277943677007,
   "suppressed_min_location_m": [
    2823.0,
    2833.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 12.659725796708017,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 4339.0,
   "end_distance_m": 4359.0,
   "start_elevation_m": 1167.8891403378293,
   "end_elevation_m": 1170.421085497171,
   "min_gradient_pct": 0.5041713947844073,
   "suppressed_max_gradient_pct": 41.75449072475317,
   "suppressed_location_m": [
    2833.0,
    2853.0
   ],
   "suppressed_min_gradient_pct": -31.1429936969148,
   "suppressed_min_location_m": [
    2813.0,
    2833.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 12.484141048135825,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 4334.0,
   "end_distance_m": 4359.0,
   "start_elevation_m": 1167.300050235137,
   "end_elevation_m": 1170.421085497171,
   "min_gradient_pct": 0.6502085471220198,
   "suppressed_max_gradient_pct": 34.575447268894095,
   "suppressed_location_m": [
    2833.0,
    2858.0
   ],
   "suppressed_min_gradient_pct": -23.731567974258724,
   "suppressed_min_location_m": [
    2808.0,
    2833.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 12.172755080239085,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 1903.0,
   "end_distance_m": 1953.0,
   "start_elevation_m": 962.9647451251698,
   "end_elevation_m": 969.0511226652893,
   "min_gradient_pct": 0.9491762944585389,
   "suppressed_max_gradient_pct": 20.82353511075462,
   "suppressed_location_m": [
    2833.0,
    2883.0
   ],
   "suppressed_min_gradient_pct": -8.526299539905267,
   "suppressed_min_location_m": [
    2783.0,
    2833.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 11.562577213349414,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 1896.0,
   "end_distance_m": 1996.0,
   "start_elevation_m": 962.1592147030124,
   "end_elevation_m": 973.7217919163618,
   "min_gradient_pct": 1.3572186169442375,
   "suppressed_max_gradient_pct": 13.954733297301573,
   "suppressed_location_m": [
    2833.0,
    2933.0
   ],
   "suppressed_min_gradient_pct": -0.42313426502232687,
   "suppressed_min_location_m": [
    2733.0,
    2833.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.307,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 153.0,
  "shape_class": "sustained"
 },
 "length_m": 9626.317959516513,
 "start_elevation_m": 769.0944621172129,
 "end_elevation_m": 1569.095301726575,
 "endpoint_gain_m": 800.0008396093621,
 "overall_gradient_pct": 8.310559062912384,
 "accumulated_ascent_m": 813.8464886191654,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 13.617561935056983,
   "start_distance_m": 379.0,
   "end_distance_m": 384.0,
   "midpoint_distance_m": 381.5,
   "start_elevation_m": 803.3351671620716,
   "end_elevation_m": 804.0160452588244,
   "start_xy": [
    564602.3673760666,
    6189194.548600282
   ],
   "end_xy": [
    564607.1869724107,
    6189193.217626547
   ]
  },
  "max_10m": {
   "gradient_pct": 13.169618424967666,
   "start_distance_m": 4349.0,
   "end_distance_m": 4359.0,
   "midpoint_distance_m": 4354.0,
   "start_elevation_m": 1169.1041236546741,
   "end_elevation_m": 1170.421085497171,
   "start_xy": [
    567135.3988699347,
    6187752.914117159
   ],
   "end_xy": [
    567126.9995846654,
    6187758.341087489
   ]
  },
  "max_20m": {
   "gradient_pct": 12.659725796708017,
   "start_distance_m": 4339.0,
   "end_distance_m": 4359.0,
   "midpoint_distance_m": 4349.0,
   "start_elevation_m": 1167.8891403378293,
   "end_elevation_m": 1170.421085497171,
   "start_xy": [
    567143.6495787916,
    6187747.288500541
   ],
   "end_xy": [
    567126.9995846654,
    6187758.341087489
   ]
  },
  "max_25m": {
   "gradient_pct": 12.484141048135825,
   "start_distance_m": 4334.0,
   "end_distance_m": 4359.0,
   "midpoint_distance_m": 4346.5,
   "start_elevation_m": 1167.300050235137,
   "end_elevation_m": 1170.421085497171,
   "start_xy": [
    567147.4390280189,
    6187744.026587827
   ],
   "end_xy": [
    567126.9995846654,
    6187758.341087489
   ]
  },
  "max_50m": {
   "gradient_pct": 12.172755080239085,
   "start_distance_m": 1903.0,
   "end_distance_m": 1953.0,
   "midpoint_distance_m": 1928.0,
   "start_elevation_m": 962.9647451251698,
   "end_elevation_m": 969.0511226652893,
   "start_xy": [
    565902.3964677404,
    6188577.948586025
   ],
   "end_xy": [
    565948.9287144145,
    6188560.329973688
   ]
  },
  "max_100m": {
   "gradient_pct": 11.562577213349414,
   "start_distance_m": 1896.0,
   "end_distance_m": 1996.0,
   "midpoint_distance_m": 1946.0,
   "start_elevation_m": 962.1592147030124,
   "end_elevation_m": 973.7217919163618,
   "start_xy": [
    565895.4150043373,
    6188578.316623906
   ],
   "end_xy": [
    565991.5015808912,
    6188556.448583467
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.3599587882126798,
   "start_distance_m": 7589.0,
   "end_distance_m": 7594.0,
   "midpoint_distance_m": 7591.5,
   "start_elevation_m": 1421.150441439297,
   "end_elevation_m": 1421.1324434998864,
   "start_xy": [
    567906.3707903653,
    6188602.509884948
   ],
   "end_xy": [
    567902.0632716959,
    6188605.035893307
   ]
  },
  "min_10m": {
   "gradient_pct": 0.005756188761552039,
   "start_distance_m": 7587.0,
   "end_distance_m": 7597.0,
   "midpoint_distance_m": 7592.0,
   "start_elevation_m": 1421.1344250190873,
   "end_elevation_m": 1421.1350006379635,
   "start_xy": [
    567908.0735179543,
    6188601.460733501
   ],
   "end_xy": [
    567899.3144643891,
    6188606.237583113
   ]
  },
  "min_20m": {
   "gradient_pct": 0.5041713947844073,
   "start_distance_m": 7581.0,
   "end_distance_m": 7601.0,
   "midpoint_distance_m": 7591.0,
   "start_elevation_m": 1421.06254742087,
   "end_elevation_m": 1421.163381699827,
   "start_xy": [
    567913.0035053451,
    6188598.068711218
   ],
   "end_xy": [
    567895.64938798,
    6188607.839836188
   ]
  },
  "min_25m": {
   "gradient_pct": 0.6502085471220198,
   "start_distance_m": 7576.0,
   "end_distance_m": 7601.0,
   "midpoint_distance_m": 7588.5,
   "start_elevation_m": 1421.0008295630464,
   "end_elevation_m": 1421.163381699827,
   "start_xy": [
    567916.8046595554,
    6188594.82044604
   ],
   "end_xy": [
    567895.64938798,
    6188607.839836188
   ]
  },
  "min_50m": {
   "gradient_pct": 0.9491762944585389,
   "start_distance_m": 7554.0,
   "end_distance_m": 7604.0,
   "midpoint_distance_m": 7579.0,
   "start_elevation_m": 1420.734083779069,
   "end_elevation_m": 1421.2086719262982,
   "start_xy": [
    567933.1898752195,
    6188580.144681289
   ],
   "end_xy": [
    567892.8269063596,
    6188608.840193826
   ]
  },
  "min_100m": {
   "gradient_pct": 1.3572186169442375,
   "start_distance_m": 7504.0,
   "end_distance_m": 7604.0,
   "midpoint_distance_m": 7554.0,
   "start_elevation_m": 1419.851453309354,
   "end_elevation_m": 1421.2086719262982,
   "start_xy": [
    567969.7241338657,
    6188546.015649948
   ],
   "end_xy": [
    567892.8269063596,
    6188608.840193826
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 15.708317818985051,
   "start_distance_m": 379.0,
   "end_distance_m": 381.0,
   "midpoint_distance_m": 380.0,
   "start_elevation_m": 803.3351671620716,
   "end_elevation_m": 803.6493335184513,
   "start_xy": [
    564602.3673760666,
    6189194.548600282
   ],
   "end_xy": [
    564604.2952146042,
    6189194.016210788
   ]
  },
  "max_3m": {
   "gradient_pct": 14.458204038839995,
   "start_distance_m": 379.0,
   "end_distance_m": 382.0,
   "midpoint_distance_m": 380.5,
   "start_elevation_m": 803.3351671620716,
   "end_elevation_m": 803.7689132832368,
   "start_xy": [
    564602.3673760666,
    6189194.548600282
   ],
   "end_xy": [
    564605.259133873,
    6189193.750016041
   ]
  }
 },
 "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": 0.009,
   "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": 0.027,
   "obstruction_max_height_m": 26.71,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    500.0,
    523.0
   ],
   [
    2637.0,
    2653.0
   ],
   [
    2698.0,
    2714.0
   ],
   [
    2820.0,
    2843.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "937d2a005af5491e462567d7f33ab563f033918b",
   "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-pyr3",
   "road_pbf": "block-batch-fr-pyr3.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": "sha256:79dd257545ed11dc"
  },
  "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_E564-N6188_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E564-N6189_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E565-N6188_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E565-N6189_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E566-N6187_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E566-N6188_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E566-N6189_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E567-N6187_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E567-N6188_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E567-N6189_0m5@22LHD1IR-2025-03-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E568-N6188_0m5@22LHD1IR-2025-03-20.tif"
  ],
  "calculated_at": "2026-09-20T08:31:46+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr3.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pyr3",
  "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": [
   "E564-N6188",
   "E564-N6189",
   "E565-N6188",
   "E565-N6189",
   "E566-N6187",
   "E566-N6188",
   "E566-N6189",
   "E567-N6187",
   "E567-N6188",
   "E567-N6189",
   "E568-N6188"
  ],
  "elevation_blocks": [
   "22LHD1IR@2025-03-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0564_6189_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0564_6190_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0565_6189_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0565_6190_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0566_6188_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0566_6189_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0566_6190_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0567_6188_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0567_6189_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0567_6190_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0568_6189_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD1IR"
  ],
  "ign_editions": [
   "2025-03-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0564_6189_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0564_6190_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0565_6189_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0565_6190_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0566_6188_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0566_6189_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0566_6190_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0567_6188_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0567_6189_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0567_6190_MNT_O_0M50_LAMB93_IGN69": "2025-03-20",
   "LHD_FXX_0568_6189_MNT_O_0M50_LAMB93_IGN69": "2025-03-20"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": 9,
  "structure_mask_ranges_m": [
   [
    505.1,
    518.7
   ],
   [
    2825.5,
    2838.8
   ]
  ],
  "carriageway": {
   "stations": 392,
   "stations_resolved": 392,
   "width_median_m": 7.75,
   "width_p10_m": 6.25,
   "width_min_m": 5.0,
   "width_max_m": 12.0,
   "bounded_share": 0.161,
   "unbounded_share": 0.839,
   "confidence_median": 0.0,
   "width_median_bounded_m": 8.0,
   "window_m": [
    4334.0,
    4359.0
   ],
   "width_at_max25_m": 6.75,
   "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": 392,
    "stations_resolved": 392,
    "width_median_m": 9.5,
    "width_p10_m": 6.25,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.508,
    "unbounded_share": 0.492,
    "confidence_median": 0.849,
    "width_median_bounded_m": 8.5,
    "window_m": [
     4334.0,
     4359.0
    ],
    "width_at_max25_m": 8.75,
    "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": "Aulus-les-Bains",
  "county": "Ari\u00e8ge",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}