{
 "ocl_version": "0.1.0",
 "name": "Rue du Vernet",
 "slug": "rue-du-vernet",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.117151096833368,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2110.0,
   "end_distance_m": 2112.0,
   "start_elevation_m": 967.9438930214878,
   "end_elevation_m": 968.4462360434245,
   "min_gradient_pct": -3.5329481384962946
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.94381424664213,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2110.0,
   "end_distance_m": 2113.0,
   "start_elevation_m": 967.9438930214878,
   "end_elevation_m": 968.6622074488871,
   "min_gradient_pct": -3.0794525420257437
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.532428041624826,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2110.0,
   "end_distance_m": 2115.0,
   "start_elevation_m": 967.9438930214878,
   "end_elevation_m": 969.0705144235691,
   "min_gradient_pct": -2.7149134102251082
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.50574644145877,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2104.0,
   "end_distance_m": 2114.0,
   "start_elevation_m": 966.7158599239744,
   "end_elevation_m": 968.8664345681203,
   "min_gradient_pct": -1.875878574220451
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.523734629210253,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2095.0,
   "end_distance_m": 2115.0,
   "start_elevation_m": 964.965767497727,
   "end_elevation_m": 969.0705144235691,
   "min_gradient_pct": -1.7432726362108042
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.328015590905125,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2091.0,
   "end_distance_m": 2116.0,
   "start_elevation_m": 964.1687185261691,
   "end_elevation_m": 969.2507224238954,
   "min_gradient_pct": -1.6893084795451614
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.663219756688704,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2086.0,
   "end_distance_m": 2136.0,
   "start_elevation_m": 963.2509828215534,
   "end_elevation_m": 972.5825926998978,
   "min_gradient_pct": -1.5965106338642272
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.01355828325927,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2056.0,
   "end_distance_m": 2156.0,
   "start_elevation_m": 958.5924001798828,
   "end_elevation_m": 975.6059584631421,
   "min_gradient_pct": -1.2089220982993538
  }
 ],
 "shape": {
  "ascent_concentration": 0.425,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 188.0,
  "shape_class": "sustained"
 },
 "length_m": 2556.0000000000978,
 "start_elevation_m": 874.2298973632826,
 "end_elevation_m": 1004.8703005944775,
 "endpoint_gain_m": 130.6404032311949,
 "overall_gradient_pct": 5.111126886979261,
 "accumulated_ascent_m": 133.24038097211485,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.532428041624826,
   "start_distance_m": 2110.0,
   "end_distance_m": 2115.0,
   "midpoint_distance_m": 2112.5,
   "start_elevation_m": 967.9438930214878,
   "end_elevation_m": 969.0705144235691,
   "start_xy": [
    729155.8578842622,
    6415675.504211303
   ],
   "end_xy": [
    729160.0299435403,
    6415678.259918359
   ]
  },
  "max_10m": {
   "gradient_pct": 21.50574644145877,
   "start_distance_m": 2104.0,
   "end_distance_m": 2114.0,
   "midpoint_distance_m": 2109.0,
   "start_elevation_m": 966.7158599239744,
   "end_elevation_m": 968.8664345681203,
   "start_xy": [
    729150.8514131284,
    6415672.1973628355
   ],
   "end_xy": [
    729159.1955316848,
    6415677.708776948
   ]
  },
  "max_20m": {
   "gradient_pct": 20.523734629210253,
   "start_distance_m": 2095.0,
   "end_distance_m": 2115.0,
   "midpoint_distance_m": 2105.0,
   "start_elevation_m": 964.965767497727,
   "end_elevation_m": 969.0705144235691,
   "start_xy": [
    729143.3417064277,
    6415667.237090134
   ],
   "end_xy": [
    729160.0299435403,
    6415678.259918359
   ]
  },
  "max_25m": {
   "gradient_pct": 20.328015590905125,
   "start_distance_m": 2091.0,
   "end_distance_m": 2116.0,
   "midpoint_distance_m": 2103.5,
   "start_elevation_m": 964.1687185261691,
   "end_elevation_m": 969.2507224238954,
   "start_xy": [
    729140.0040590053,
    6415665.03252449
   ],
   "end_xy": [
    729160.864355396,
    6415678.81105977
   ]
  },
  "max_50m": {
   "gradient_pct": 18.663219756688704,
   "start_distance_m": 2086.0,
   "end_distance_m": 2136.0,
   "midpoint_distance_m": 2111.0,
   "start_elevation_m": 963.2509828215534,
   "end_elevation_m": 972.5825926998978,
   "start_xy": [
    729135.8319997271,
    6415662.276817434
   ],
   "end_xy": [
    729178.0050145787,
    6415689.099041786
   ]
  },
  "max_100m": {
   "gradient_pct": 17.01355828325927,
   "start_distance_m": 2056.0,
   "end_distance_m": 2156.0,
   "midpoint_distance_m": 2106.0,
   "start_elevation_m": 958.5924001798828,
   "end_elevation_m": 975.6059584631421,
   "start_xy": [
    729110.7996440582,
    6415645.742575096
   ],
   "end_xy": [
    729196.9173606426,
    6415691.985704129
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.7149134102251082,
   "start_distance_m": 1873.0,
   "end_distance_m": 1878.0,
   "midpoint_distance_m": 1875.5,
   "start_elevation_m": 947.9483553624779,
   "end_elevation_m": 947.8126096919666,
   "start_xy": [
    728939.8102267907,
    6415583.417744967
   ],
   "end_xy": [
    728944.5360353731,
    6415585.050758514
   ]
  },
  "min_10m": {
   "gradient_pct": -1.875878574220451,
   "start_distance_m": 1813.0,
   "end_distance_m": 1823.0,
   "midpoint_distance_m": 1818.0,
   "start_elevation_m": 948.8382055727493,
   "end_elevation_m": 948.6506177153273,
   "start_xy": [
    728907.2403022175,
    6415633.150924581
   ],
   "end_xy": [
    728912.5487032058,
    6415624.676204588
   ]
  },
  "min_20m": {
   "gradient_pct": -1.7432726362108042,
   "start_distance_m": 1819.0,
   "end_distance_m": 1839.0,
   "midpoint_distance_m": 1829.0,
   "start_elevation_m": 948.7385094692886,
   "end_elevation_m": 948.3898549420464,
   "start_xy": [
    728910.4253428106,
    6415628.066092585
   ],
   "end_xy": [
    728921.0506368129,
    6415611.122059005
   ]
  },
  "min_25m": {
   "gradient_pct": -1.6893084795451614,
   "start_distance_m": 1813.0,
   "end_distance_m": 1838.0,
   "midpoint_distance_m": 1825.5,
   "start_elevation_m": 948.8382055727493,
   "end_elevation_m": 948.415878452863,
   "start_xy": [
    728907.2403022175,
    6415633.150924581
   ],
   "end_xy": [
    728920.5113046882,
    6415611.9641246
   ]
  },
  "min_50m": {
   "gradient_pct": -1.5965106338642272,
   "start_distance_m": 1813.0,
   "end_distance_m": 1863.0,
   "midpoint_distance_m": 1838.0,
   "start_elevation_m": 948.8382055727493,
   "end_elevation_m": 948.0399502558172,
   "start_xy": [
    728907.2403022175,
    6415633.150924581
   ],
   "end_xy": [
    728934.087905701,
    6415590.971882332
   ]
  },
  "min_100m": {
   "gradient_pct": -1.2089220982993538,
   "start_distance_m": 1783.0,
   "end_distance_m": 1883.0,
   "midpoint_distance_m": 1833.0,
   "start_elevation_m": 949.0069597009419,
   "end_elevation_m": 947.7980376026426,
   "start_xy": [
    728891.3150992529,
    6415658.575084558
   ],
   "end_xy": [
    728949.2618439554,
    6415586.68377206
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.117151096833368,
   "start_distance_m": 2110.0,
   "end_distance_m": 2112.0,
   "midpoint_distance_m": 2111.0,
   "start_elevation_m": 967.9438930214878,
   "end_elevation_m": 968.4462360434245,
   "start_xy": [
    729155.8578842622,
    6415675.504211303
   ],
   "end_xy": [
    729157.5267079734,
    6415676.606494126
   ]
  },
  "max_3m": {
   "gradient_pct": 23.94381424664213,
   "start_distance_m": 2110.0,
   "end_distance_m": 2113.0,
   "midpoint_distance_m": 2111.5,
   "start_elevation_m": 967.9438930214878,
   "end_elevation_m": 968.6622074488871,
   "start_xy": [
    729155.8578842622,
    6415675.504211303
   ],
   "end_xy": [
    729158.3611198291,
    6415677.157635537
   ]
  }
 },
 "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": 0.095,
   "obstruction_max_height_m": 18.6,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": []
 },
 "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_E727-N6416_0m5@21LHD4LN-2025-02-10.tif",
   "data/cache/fr/ign-lidarhd_dtm_E728-N6415_0m5@21LHD4LN-2025-02-10.tif",
   "data/cache/fr/ign-lidarhd_dtm_E728-N6416_0m5@21LHD4LN-2025-02-10.tif",
   "data/cache/fr/ign-lidarhd_dtm_E729-N6415_0m5@21LHD4LN-2025-02-10.tif",
   "data/cache/fr/ign-lidarhd_dtm_E729-N6416_0m5@21LHD4LN-2025-02-10.tif"
  ],
  "calculated_at": "2026-09-22T18:31:04+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": [
   "E727-N6416",
   "E728-N6415",
   "E728-N6416",
   "E729-N6415",
   "E729-N6416"
  ],
  "elevation_blocks": [
   "21LHD4LN@2025-02-10"
  ],
  "ign_dalles": [
   "LHD_FXX_0727_6417_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0728_6416_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0728_6417_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0729_6416_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0729_6417_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD4LN"
  ],
  "ign_editions": [
   "2025-02-10"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0727_6417_MNT_O_0M50_LAMB93_IGN69": "2025-02-10",
   "LHD_FXX_0728_6416_MNT_O_0M50_LAMB93_IGN69": "2025-02-10",
   "LHD_FXX_0728_6417_MNT_O_0M50_LAMB93_IGN69": "2025-02-10",
   "LHD_FXX_0729_6416_MNT_O_0M50_LAMB93_IGN69": "2025-02-10",
   "LHD_FXX_0729_6417_MNT_O_0M50_LAMB93_IGN69": "2025-02-10"
  },
  "route_summit_trim_m": 1078.1,
  "route_summit_trim_loss_m": 23.2,
  "climb_origin": "discovered",
  "structure_own_ways": 3,
  "carriageway": {
   "stations": 109,
   "stations_resolved": 109,
   "width_median_m": 6.75,
   "width_p10_m": 4.0,
   "width_min_m": 1.0,
   "width_max_m": 12.0,
   "bounded_share": 0.147,
   "unbounded_share": 0.853,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.25,
   "window_m": [
    2091.0,
    2116.0
   ],
   "width_at_max25_m": 7.0,
   "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": 109,
    "stations_resolved": 109,
    "width_median_m": 10.25,
    "width_p10_m": 2.7,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.514,
    "unbounded_share": 0.486,
    "confidence_median": 0.853,
    "width_median_bounded_m": 7.25,
    "window_m": [
     2091.0,
     2116.0
    ],
    "width_at_max25_m": 5.25,
    "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": "Le Malzieu-Forain",
  "county": "Loz\u00e8re",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}