{
 "ocl_version": "0.1.0",
 "name": "Col de la Croix de Peccata from Les Estables",
 "slug": "col-de-la-croix-de-peccata-from-les-estables",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 14.611323493659256,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 156.0,
   "end_distance_m": 158.0,
   "start_elevation_m": 1383.8614754214634,
   "end_elevation_m": 1384.1537018913366,
   "min_gradient_pct": 0.32118107991436773
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 14.38649130639836,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 155.0,
   "end_distance_m": 158.0,
   "start_elevation_m": 1383.7221071521446,
   "end_elevation_m": 1384.1537018913366,
   "min_gradient_pct": 0.31191674663659796
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 14.361689682355063,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 161.0,
   "end_distance_m": 166.0,
   "start_elevation_m": 1384.5272359734802,
   "end_elevation_m": 1385.245320457598,
   "min_gradient_pct": 0.7907599136478893
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 13.838450361345167,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 156.0,
   "end_distance_m": 166.0,
   "start_elevation_m": 1383.8614754214634,
   "end_elevation_m": 1385.245320457598,
   "min_gradient_pct": 1.046760426252149
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 13.470174519202374,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 149.0,
   "end_distance_m": 169.0,
   "start_elevation_m": 1382.9204672458459,
   "end_elevation_m": 1385.6145021496864,
   "min_gradient_pct": 1.2608585635246072
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 13.319731289532683,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 142.0,
   "end_distance_m": 167.0,
   "start_elevation_m": 1382.049617258079,
   "end_elevation_m": 1385.3795500804622,
   "min_gradient_pct": 1.3580043241454405
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 12.871993344919247,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 142.0,
   "end_distance_m": 192.0,
   "start_elevation_m": 1382.049617258079,
   "end_elevation_m": 1388.4856139305386,
   "min_gradient_pct": 1.7989224030761761
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.189238698161944,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 123.0,
   "end_distance_m": 223.0,
   "start_elevation_m": 1379.7671479459211,
   "end_elevation_m": 1391.956386644083,
   "min_gradient_pct": 2.2019044653400215
  }
 ],
 "shape": {
  "ascent_concentration": 0.311,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 207.0,
  "shape_class": "sustained"
 },
 "length_m": 2626.472518657252,
 "start_elevation_m": 1368.3433685546834,
 "end_elevation_m": 1568.8793806201159,
 "endpoint_gain_m": 200.5360120654325,
 "overall_gradient_pct": 7.635184097336521,
 "accumulated_ascent_m": 200.60126408782617,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 14.361689682355063,
   "start_distance_m": 161.0,
   "end_distance_m": 166.0,
   "midpoint_distance_m": 163.5,
   "start_elevation_m": 1384.5272359734802,
   "end_elevation_m": 1385.245320457598,
   "start_xy": [
    790809.6754290041,
    6423829.79904436
   ],
   "end_xy": [
    790810.0556308223,
    6423834.784568061
   ]
  },
  "max_10m": {
   "gradient_pct": 13.838450361345167,
   "start_distance_m": 156.0,
   "end_distance_m": 166.0,
   "midpoint_distance_m": 161.0,
   "start_elevation_m": 1383.8614754214634,
   "end_elevation_m": 1385.245320457598,
   "start_xy": [
    790809.8751094176,
    6423824.863747582
   ],
   "end_xy": [
    790810.0556308223,
    6423834.784568061
   ]
  },
  "max_20m": {
   "gradient_pct": 13.470174519202374,
   "start_distance_m": 149.0,
   "end_distance_m": 169.0,
   "midpoint_distance_m": 159.0,
   "start_elevation_m": 1382.9204672458459,
   "end_elevation_m": 1385.6145021496864,
   "start_xy": [
    790811.5995705997,
    6423818.079483905
   ],
   "end_xy": [
    790811.1280902425,
    6423837.500863876
   ]
  },
  "max_25m": {
   "gradient_pct": 13.319731289532683,
   "start_distance_m": 142.0,
   "end_distance_m": 167.0,
   "midpoint_distance_m": 154.5,
   "start_elevation_m": 1382.049617258079,
   "end_elevation_m": 1385.3795500804622,
   "start_xy": [
    790813.8077028629,
    6423811.478092061
   ],
   "end_xy": [
    790810.131671186,
    6423835.781672802
   ]
  },
  "max_50m": {
   "gradient_pct": 12.871993344919247,
   "start_distance_m": 142.0,
   "end_distance_m": 192.0,
   "midpoint_distance_m": 167.0,
   "start_elevation_m": 1382.049617258079,
   "end_elevation_m": 1388.4856139305386,
   "start_xy": [
    790813.8077028629,
    6423811.478092061
   ],
   "end_xy": [
    790826.7683680259,
    6423853.919293972
   ]
  },
  "max_100m": {
   "gradient_pct": 12.189238698161944,
   "start_distance_m": 123.0,
   "end_distance_m": 223.0,
   "midpoint_distance_m": 173.0,
   "start_elevation_m": 1379.7671479459211,
   "end_elevation_m": 1391.956386644083,
   "start_xy": [
    790822.4809455324,
    6423794.573215203
   ],
   "end_xy": [
    790854.2811055597,
    6423867.908911804
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.7907599136478893,
   "start_distance_m": 1746.0,
   "end_distance_m": 1751.0,
   "midpoint_distance_m": 1748.5,
   "start_elevation_m": 1509.2964429210335,
   "end_elevation_m": 1509.335980916716,
   "start_xy": [
    792202.1897938331,
    6424472.257534303
   ],
   "end_xy": [
    792206.7396978643,
    6424470.184282436
   ]
  },
  "min_10m": {
   "gradient_pct": 1.046760426252149,
   "start_distance_m": 1574.0,
   "end_distance_m": 1584.0,
   "midpoint_distance_m": 1579.0,
   "start_elevation_m": 1504.4615280437836,
   "end_elevation_m": 1504.5662040864088,
   "start_xy": [
    792035.6609590285,
    6424486.5894220965
   ],
   "end_xy": [
    792045.5703782054,
    6424487.9323337
   ]
  },
  "min_20m": {
   "gradient_pct": 1.2608585635246072,
   "start_distance_m": 1564.0,
   "end_distance_m": 1584.0,
   "midpoint_distance_m": 1574.0,
   "start_elevation_m": 1504.3140323737039,
   "end_elevation_m": 1504.5662040864088,
   "start_xy": [
    792025.7515398515,
    6424485.246510493
   ],
   "end_xy": [
    792045.5703782054,
    6424487.9323337
   ]
  },
  "min_25m": {
   "gradient_pct": 1.3580043241454405,
   "start_distance_m": 1562.0,
   "end_distance_m": 1587.0,
   "midpoint_distance_m": 1574.5,
   "start_elevation_m": 1504.2944490747816,
   "end_elevation_m": 1504.633950155818,
   "start_xy": [
    792023.7696560161,
    6424484.977928172
   ],
   "end_xy": [
    792048.5432039585,
    6424488.335207182
   ]
  },
  "min_50m": {
   "gradient_pct": 1.7989224030761761,
   "start_distance_m": 1551.0,
   "end_distance_m": 1601.0,
   "midpoint_distance_m": 1576.0,
   "start_elevation_m": 1504.043852252913,
   "end_elevation_m": 1504.943313454451,
   "start_xy": [
    792012.8692949215,
    6424483.500725408
   ],
   "end_xy": [
    792062.4181089331,
    6424490.199802792
   ]
  },
  "min_100m": {
   "gradient_pct": 2.2019044653400215,
   "start_distance_m": 1695.0,
   "end_distance_m": 1795.0,
   "midpoint_distance_m": 1745.0,
   "start_elevation_m": 1508.0463498769884,
   "end_elevation_m": 1510.2482543423284,
   "start_xy": [
    792155.7590242411,
    6424493.338855711
   ],
   "end_xy": [
    792248.9763567997,
    6424459.506911137
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 14.611323493659256,
   "start_distance_m": 156.0,
   "end_distance_m": 158.0,
   "midpoint_distance_m": 157.0,
   "start_elevation_m": 1383.8614754214634,
   "end_elevation_m": 1384.1537018913366,
   "start_xy": [
    790809.8751094176,
    6423824.863747582
   ],
   "end_xy": [
    790809.4473079132,
    6423826.807730139
   ]
  },
  "max_3m": {
   "gradient_pct": 14.38649130639836,
   "start_distance_m": 155.0,
   "end_distance_m": 158.0,
   "midpoint_distance_m": 156.5,
   "start_elevation_m": 1383.7221071521446,
   "end_elevation_m": 1384.1537018913366,
   "start_xy": [
    790810.1214610151,
    6423823.894567057
   ],
   "end_xy": [
    790809.4473079132,
    6423826.807730139
   ]
  }
 },
 "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": 0.004,
   "obstruction_max_height_m": 5.99,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_E790-N6423_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E790-N6424_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E791-N6423_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E791-N6424_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E792-N6424_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E793-N6424_0m5@22LHD5NN-2025-06-04.tif"
  ],
  "calculated_at": "2026-09-22T15:28:07+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": [
   "E790-N6423",
   "E790-N6424",
   "E791-N6423",
   "E791-N6424",
   "E792-N6424",
   "E793-N6424"
  ],
  "elevation_blocks": [
   "22LHD5NN@2025-06-04"
  ],
  "ign_dalles": [
   "LHD_FXX_0790_6424_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0790_6425_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0791_6424_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0791_6425_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0792_6425_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0793_6425_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD5NN"
  ],
  "ign_editions": [
   "2025-06-04"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0790_6424_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0790_6425_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0791_6424_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0791_6425_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0792_6425_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0793_6425_MNT_O_0M50_LAMB93_IGN69": "2025-06-04"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": 12,
  "carriageway": {
   "stations": 112,
   "stations_resolved": 112,
   "width_median_m": 5.88,
   "width_p10_m": 4.03,
   "width_min_m": 3.25,
   "width_max_m": 9.5,
   "bounded_share": 0.107,
   "unbounded_share": 0.893,
   "confidence_median": 0.0,
   "width_median_bounded_m": 6.38,
   "window_m": [
    142.0,
    167.0
   ],
   "width_at_max25_m": 7.75,
   "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": 112,
    "stations_resolved": 112,
    "width_median_m": 9.75,
    "width_p10_m": 7.0,
    "width_min_m": 0.75,
    "width_max_m": 12.0,
    "bounded_share": 0.321,
    "unbounded_share": 0.679,
    "confidence_median": 0.0,
    "width_median_bounded_m": 8.38,
    "window_m": [
     142.0,
     167.0
    ],
    "width_at_max25_m": 10.0,
    "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": "Les Estables",
  "county": "Haute-Loire",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}