{
 "ocl_version": "0.1.0",
 "name": "Cami dera Lane",
 "slug": "cami-dera-lane",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.3960439380146,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 142.0,
   "end_distance_m": 144.0,
   "start_elevation_m": 733.3826198912619,
   "end_elevation_m": 733.8705407700222,
   "min_gradient_pct": -0.9645130873423113
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.05683907964355,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 143.0,
   "end_distance_m": 146.0,
   "start_elevation_m": 733.6163833087423,
   "end_elevation_m": 734.3380884811316,
   "min_gradient_pct": -1.0305478103039907
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.59354383005666,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 143.0,
   "end_distance_m": 148.0,
   "start_elevation_m": 733.6163833087423,
   "end_elevation_m": 734.7960605002452,
   "min_gradient_pct": -0.8060862871252539
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.429706183919507,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 138.0,
   "end_distance_m": 148.0,
   "start_elevation_m": 732.5530898818532,
   "end_elevation_m": 734.7960605002452,
   "min_gradient_pct": 0.5025628672080984
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.897867596404126,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 128.0,
   "end_distance_m": 148.0,
   "start_elevation_m": 730.4164869809644,
   "end_elevation_m": 734.7960605002452,
   "min_gradient_pct": 1.3784734983187263
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.543193279687785,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 123.0,
   "end_distance_m": 148.0,
   "start_elevation_m": 729.4102621803232,
   "end_elevation_m": 734.7960605002452,
   "min_gradient_pct": 1.4000801166853307
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.143662043434006,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 98.0,
   "end_distance_m": 148.0,
   "start_elevation_m": 724.2242294785282,
   "end_elevation_m": 734.7960605002452,
   "min_gradient_pct": 1.8435922729236154
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.87773133948599,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 50.0,
   "end_distance_m": 150.0,
   "start_elevation_m": 715.3132142580141,
   "end_elevation_m": 735.1909455975001,
   "min_gradient_pct": 3.049574185135384
  }
 ],
 "shape": {
  "ascent_concentration": 0.5,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 157.0,
  "shape_class": "stepped"
 },
 "length_m": 425.2061002642982,
 "start_elevation_m": 708.0488482175296,
 "end_elevation_m": 749.8392530312544,
 "endpoint_gain_m": 41.79040481372488,
 "overall_gradient_pct": 9.828270287690824,
 "accumulated_ascent_m": 41.86714552719411,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.59354383005666,
   "start_distance_m": 143.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 145.5,
   "start_elevation_m": 733.6163833087423,
   "end_elevation_m": 734.7960605002452,
   "start_xy": [
    454144.23426210316,
    6202646.214168929
   ],
   "end_xy": [
    454148.4007604838,
    6202648.978276605
   ]
  },
  "max_10m": {
   "gradient_pct": 22.429706183919507,
   "start_distance_m": 138.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 143.0,
   "start_elevation_m": 732.5530898818532,
   "end_elevation_m": 734.7960605002452,
   "start_xy": [
    454140.0677637225,
    6202643.450061252
   ],
   "end_xy": [
    454148.4007604838,
    6202648.978276605
   ]
  },
  "max_20m": {
   "gradient_pct": 21.897867596404126,
   "start_distance_m": 128.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 138.0,
   "start_elevation_m": 730.4164869809644,
   "end_elevation_m": 734.7960605002452,
   "start_xy": [
    454131.7347669612,
    6202637.921845901
   ],
   "end_xy": [
    454148.4007604838,
    6202648.978276605
   ]
  },
  "max_25m": {
   "gradient_pct": 21.543193279687785,
   "start_distance_m": 123.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 135.5,
   "start_elevation_m": 729.4102621803232,
   "end_elevation_m": 734.7960605002452,
   "start_xy": [
    454127.56826858054,
    6202635.157738225
   ],
   "end_xy": [
    454148.4007604838,
    6202648.978276605
   ]
  },
  "max_50m": {
   "gradient_pct": 21.143662043434006,
   "start_distance_m": 98.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 123.0,
   "start_elevation_m": 724.2242294785282,
   "end_elevation_m": 734.7960605002452,
   "start_xy": [
    454106.7357766773,
    6202621.337199845
   ],
   "end_xy": [
    454148.4007604838,
    6202648.978276605
   ]
  },
  "max_100m": {
   "gradient_pct": 19.87773133948599,
   "start_distance_m": 50.0,
   "end_distance_m": 150.0,
   "midpoint_distance_m": 100.0,
   "start_elevation_m": 715.3132142580141,
   "end_elevation_m": 735.1909455975001,
   "start_xy": [
    454066.39596367895,
    6202595.343214758
   ],
   "end_xy": [
    454150.0673598361,
    6202650.083919675
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.8060862871252539,
   "start_distance_m": 156.0,
   "end_distance_m": 161.0,
   "midpoint_distance_m": 158.5,
   "start_elevation_m": 735.7051854495724,
   "end_elevation_m": 735.6648811352161,
   "start_xy": [
    454153.1913938327,
    6202653.744006902
   ],
   "end_xy": [
    454150.27335067163,
    6202657.804182281
   ]
  },
  "min_10m": {
   "gradient_pct": 0.5025628672080984,
   "start_distance_m": 155.0,
   "end_distance_m": 165.0,
   "midpoint_distance_m": 160.0,
   "start_elevation_m": 735.7056025256796,
   "end_elevation_m": 735.7558588124004,
   "start_xy": [
    454153.7750024649,
    6202652.931971826
   ],
   "end_xy": [
    454147.93891614274,
    6202661.052322584
   ]
  },
  "min_20m": {
   "gradient_pct": 1.3784734983187263,
   "start_distance_m": 308.0,
   "end_distance_m": 328.0,
   "midpoint_distance_m": 318.0,
   "start_elevation_m": 741.463207350923,
   "end_elevation_m": 741.7389020505867,
   "start_xy": [
    454057.6639385143,
    6202771.378181033
   ],
   "end_xy": [
    454048.4853258079,
    6202789.1389324665
   ]
  },
  "min_25m": {
   "gradient_pct": 1.4000801166853307,
   "start_distance_m": 308.0,
   "end_distance_m": 333.0,
   "midpoint_distance_m": 320.5,
   "start_elevation_m": 741.463207350923,
   "end_elevation_m": 741.8132273800943,
   "start_xy": [
    454057.6639385143,
    6202771.378181033
   ],
   "end_xy": [
    454046.29750736605,
    6202793.634869573
   ]
  },
  "min_50m": {
   "gradient_pct": 1.8435922729236154,
   "start_distance_m": 308.0,
   "end_distance_m": 358.0,
   "midpoint_distance_m": 333.0,
   "start_elevation_m": 741.463207350923,
   "end_elevation_m": 742.3850034873848,
   "start_xy": [
    454057.6639385143,
    6202771.378181033
   ],
   "end_xy": [
    454036.2228107703,
    6202816.457233305
   ]
  },
  "min_100m": {
   "gradient_pct": 3.049574185135384,
   "start_distance_m": 262.0,
   "end_distance_m": 362.0,
   "midpoint_distance_m": 312.0,
   "start_elevation_m": 739.436229421884,
   "end_elevation_m": 742.4858036070194,
   "start_xy": [
    454086.62488121574,
    6202736.072535969
   ],
   "end_xy": [
    454035.0331878365,
    6202820.276238054
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.3960439380146,
   "start_distance_m": 142.0,
   "end_distance_m": 144.0,
   "midpoint_distance_m": 143.0,
   "start_elevation_m": 733.3826198912619,
   "end_elevation_m": 733.8705407700222,
   "start_xy": [
    454143.400962427,
    6202645.661347394
   ],
   "end_xy": [
    454145.0675617793,
    6202646.766990464
   ]
  },
  "max_3m": {
   "gradient_pct": 24.05683907964355,
   "start_distance_m": 143.0,
   "end_distance_m": 146.0,
   "midpoint_distance_m": 144.5,
   "start_elevation_m": 733.6163833087423,
   "end_elevation_m": 734.3380884811316,
   "start_xy": [
    454144.23426210316,
    6202646.214168929
   ],
   "end_xy": [
    454146.73416113155,
    6202647.8726335345
   ]
  }
 },
 "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": 0.033,
   "obstruction_max_height_m": 17.74,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "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_E454-N6202_0m5@21LHD1GR2-2025-04-03.tif"
  ],
  "calculated_at": "2026-09-20T06:43:15+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": [
   "E454-N6202"
  ],
  "elevation_blocks": [
   "21LHD1GR2@2025-04-03"
  ],
  "ign_dalles": [
   "LHD_FXX_0454_6203_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD1GR2"
  ],
  "ign_editions": [
   "2025-04-03"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0454_6203_MNT_O_0M50_LAMB93_IGN69": "2025-04-03"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 2,
  "carriageway": {
   "stations": 24,
   "stations_resolved": 24,
   "width_median_m": 5.12,
   "width_p10_m": 3.83,
   "width_min_m": 1.25,
   "width_max_m": 12.0,
   "bounded_share": 0.125,
   "unbounded_share": 0.875,
   "confidence_median": 0.0,
   "width_median_bounded_m": 5.5,
   "window_m": [
    123.0,
    148.0
   ],
   "width_at_max25_m": 8.5,
   "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": 24,
    "stations_resolved": 24,
    "width_median_m": 9.12,
    "width_p10_m": 6.58,
    "width_min_m": 4.75,
    "width_max_m": 12.0,
    "bounded_share": 0.417,
    "unbounded_share": 0.583,
    "confidence_median": 0.0,
    "width_median_bounded_m": 7.25,
    "window_m": [
     123.0,
     148.0
    ],
    "width_at_max25_m": 12.0,
    "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": "Esqui\u00e8ze-S\u00e8re",
  "county": "Hautes-Pyr\u00e9n\u00e9es",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}