{
 "ocl_version": "0.1.0",
 "name": "Chemin de la Cote",
 "slug": "chemin-de-la-cote-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.737960662026808,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 318.0,
   "end_distance_m": 320.0,
   "start_elevation_m": 529.5764753600969,
   "end_elevation_m": 530.1712345733374,
   "min_gradient_pct": 0.8469870957071635
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.53292700158651,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 316.0,
   "end_distance_m": 319.0,
   "start_elevation_m": 528.9931305606688,
   "end_elevation_m": 529.8791183707164,
   "min_gradient_pct": 4.276397225845585
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.247549968340536,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 316.0,
   "end_distance_m": 321.0,
   "start_elevation_m": 528.9931305606688,
   "end_elevation_m": 530.4555080590858,
   "min_gradient_pct": 5.372990329109371
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.140749724178704,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 312.0,
   "end_distance_m": 322.0,
   "start_elevation_m": 527.9281251648034,
   "end_elevation_m": 530.7422001372213,
   "min_gradient_pct": 9.660557166877197
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.587320459027524,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 304.0,
   "end_distance_m": 324.0,
   "start_elevation_m": 525.9092197386215,
   "end_elevation_m": 531.226683830427,
   "min_gradient_pct": 11.051359239770306
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.057352181470378,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 299.0,
   "end_distance_m": 324.0,
   "start_elevation_m": 524.7123457850594,
   "end_elevation_m": 531.226683830427,
   "min_gradient_pct": 11.24175893406209
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 25.06034253118446,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 273.0,
   "end_distance_m": 323.0,
   "start_elevation_m": 518.4718129255316,
   "end_elevation_m": 531.0019841911238,
   "min_gradient_pct": 11.567016485434578
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 24.63655035254169,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 223.0,
   "end_distance_m": 323.0,
   "start_elevation_m": 506.36543383858213,
   "end_elevation_m": 531.0019841911238,
   "min_gradient_pct": 12.945958845643815
  }
 ],
 "shape": {
  "ascent_concentration": 0.322,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 323.0,
  "shape_class": "sustained"
 },
 "length_m": 324.4808696665997,
 "start_elevation_m": 468.5596561945779,
 "end_elevation_m": 531.3088168921148,
 "endpoint_gain_m": 62.74916069753692,
 "overall_gradient_pct": 19.338323631223915,
 "accumulated_ascent_m": 62.78192382417757,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.247549968340536,
   "start_distance_m": 316.0,
   "end_distance_m": 321.0,
   "midpoint_distance_m": 318.5,
   "start_elevation_m": 528.9931305606688,
   "end_elevation_m": 530.4555080590858,
   "start_xy": [
    714519.314667333,
    6484773.843797451
   ],
   "end_xy": [
    714521.4278543103,
    6484778.375291774
   ]
  },
  "max_10m": {
   "gradient_pct": 28.140749724178704,
   "start_distance_m": 312.0,
   "end_distance_m": 322.0,
   "midpoint_distance_m": 317.0,
   "start_elevation_m": 527.9281251648034,
   "end_elevation_m": 530.7422001372213,
   "start_xy": [
    714517.6241177514,
    6484770.218601992
   ],
   "end_xy": [
    714521.8504917057,
    6484779.281590638
   ]
  },
  "max_20m": {
   "gradient_pct": 26.587320459027524,
   "start_distance_m": 304.0,
   "end_distance_m": 324.0,
   "midpoint_distance_m": 314.0,
   "start_elevation_m": 525.9092197386215,
   "end_elevation_m": 531.226683830427,
   "start_xy": [
    714514.2430185878,
    6484762.968211075
   ],
   "end_xy": [
    714522.6957664966,
    6484781.094188367
   ]
  },
  "max_25m": {
   "gradient_pct": 26.057352181470378,
   "start_distance_m": 299.0,
   "end_distance_m": 324.0,
   "midpoint_distance_m": 311.5,
   "start_elevation_m": 524.7123457850594,
   "end_elevation_m": 531.226683830427,
   "start_xy": [
    714512.1298316107,
    6484758.436716752
   ],
   "end_xy": [
    714522.6957664966,
    6484781.094188367
   ]
  },
  "max_50m": {
   "gradient_pct": 25.06034253118446,
   "start_distance_m": 273.0,
   "end_distance_m": 323.0,
   "midpoint_distance_m": 298.0,
   "start_elevation_m": 518.4718129255316,
   "end_elevation_m": 531.0019841911238,
   "start_xy": [
    714501.1412593294,
    6484734.872946273
   ],
   "end_xy": [
    714522.2731291011,
    6484780.187889502
   ]
  },
  "max_100m": {
   "gradient_pct": 24.63655035254169,
   "start_distance_m": 223.0,
   "end_distance_m": 323.0,
   "midpoint_distance_m": 273.0,
   "start_elevation_m": 506.36543383858213,
   "end_elevation_m": 531.0019841911238,
   "start_xy": [
    714480.0093895578,
    6484689.558003043
   ],
   "end_xy": [
    714522.2731291011,
    6484780.187889502
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 5.372990329109371,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 468.5596561945779,
   "end_elevation_m": 468.82830571103335,
   "start_xy": [
    714419.943,
    6484491.614
   ],
   "end_xy": [
    714422.5618872336,
    6484495.87327572
   ]
  },
  "min_10m": {
   "gradient_pct": 9.660557166877197,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 468.5596561945779,
   "end_elevation_m": 469.5257119112656,
   "start_xy": [
    714419.943,
    6484491.614
   ],
   "end_xy": [
    714425.1807744672,
    6484500.13255144
   ]
  },
  "min_20m": {
   "gradient_pct": 11.051359239770306,
   "start_distance_m": 27.0,
   "end_distance_m": 47.0,
   "midpoint_distance_m": 37.0,
   "start_elevation_m": 471.7647160468732,
   "end_elevation_m": 473.9749878948273,
   "start_xy": [
    714434.0849910616,
    6484514.614088887
   ],
   "end_xy": [
    714444.121433548,
    6484531.896511723
   ]
  },
  "min_25m": {
   "gradient_pct": 11.24175893406209,
   "start_distance_m": 28.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 40.5,
   "start_elevation_m": 471.884019140317,
   "end_elevation_m": 474.6944588738325,
   "start_xy": [
    714434.6087685083,
    6484515.465944031
   ],
   "end_xy": [
    714446.8263672792,
    6484537.2521940805
   ]
  },
  "min_50m": {
   "gradient_pct": 11.567016485434578,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 468.5596561945779,
   "end_elevation_m": 474.3431644372952,
   "start_xy": [
    714419.943,
    6484491.614
   ],
   "end_xy": [
    714445.4739004136,
    6484534.574352901
   ]
  },
  "min_100m": {
   "gradient_pct": 12.945958845643815,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 468.5596561945779,
   "end_elevation_m": 481.5056150402217,
   "start_xy": [
    714419.943,
    6484491.614
   ],
   "end_xy": [
    714465.1898129783,
    6484580.499878719
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.737960662026808,
   "start_distance_m": 318.0,
   "end_distance_m": 320.0,
   "midpoint_distance_m": 319.0,
   "start_elevation_m": 529.5764753600969,
   "end_elevation_m": 530.1712345733374,
   "start_xy": [
    714520.1599421239,
    6484775.65639518
   ],
   "end_xy": [
    714521.0052169148,
    6484777.468992909
   ]
  },
  "max_3m": {
   "gradient_pct": 29.53292700158651,
   "start_distance_m": 316.0,
   "end_distance_m": 319.0,
   "midpoint_distance_m": 317.5,
   "start_elevation_m": 528.9931305606688,
   "end_elevation_m": 529.8791183707164,
   "start_xy": [
    714519.314667333,
    6484773.843797451
   ],
   "end_xy": [
    714520.5825795194,
    6484776.562694045
   ]
  }
 },
 "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": 0.0,
   "obstruction_max_height_m": 0.0,
   "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": "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-mc5",
   "road_pbf": "block-batch-fr-mc5.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_E714-N6484_0m5@22LHD4LL-2025-07-24.tif"
  ],
  "calculated_at": "2026-09-22T15:58:24+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc5.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc5",
  "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": [
   "E714-N6484"
  ],
  "elevation_blocks": [
   "22LHD4LL@2025-07-24"
  ],
  "ign_dalles": [
   "LHD_FXX_0714_6485_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD4LL"
  ],
  "ign_editions": [
   "2025-07-24"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0714_6485_MNT_O_0M50_LAMB93_IGN69": "2025-07-24"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 1,
  "carriageway": {
   "stations": 19,
   "stations_resolved": 19,
   "width_median_m": 7.25,
   "width_p10_m": 4.4,
   "width_min_m": 3.25,
   "width_max_m": 9.5,
   "bounded_share": 0.105,
   "unbounded_share": 0.895,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.88,
   "window_m": [
    299.0,
    324.0
   ],
   "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": 19,
    "stations_resolved": 19,
    "width_median_m": 8.75,
    "width_p10_m": 6.1,
    "width_min_m": 3.75,
    "width_max_m": 12.0,
    "bounded_share": 0.421,
    "unbounded_share": 0.579,
    "confidence_median": 0.0,
    "width_median_bounded_m": 6.25,
    "window_m": [
     299.0,
     324.0
    ],
    "width_at_max25_m": 9.75,
    "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": "Boudes",
  "county": "Puy-de-D\u00f4me",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}