{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.0316, 4.3199)",
 "slug": "discovered-lane-46-0316-4-3199",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.62365111601912,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1199.0,
   "end_distance_m": 1201.0,
   "start_elevation_m": 592.1738745811426,
   "end_elevation_m": 592.666347603463,
   "min_gradient_pct": -6.085757860830654,
   "suppressed_max_gradient_pct": 26.17288781942193,
   "suppressed_location_m": [
    1655.0,
    1657.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.212668851354618,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1198.0,
   "end_distance_m": 1201.0,
   "start_elevation_m": 591.9399675379224,
   "end_elevation_m": 592.666347603463,
   "min_gradient_pct": -5.453464721904311,
   "suppressed_max_gradient_pct": 24.602701504443303,
   "suppressed_location_m": [
    1655.0,
    1658.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.202370304907163,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1197.0,
   "end_distance_m": 1202.0,
   "start_elevation_m": 591.7002409769666,
   "end_elevation_m": 592.860359492212,
   "min_gradient_pct": -5.148119732004943,
   "suppressed_max_gradient_pct": 23.73893473220278,
   "suppressed_location_m": [
    1653.0,
    1658.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.267952006602627,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1197.0,
   "end_distance_m": 1207.0,
   "start_elevation_m": 591.7002409769666,
   "end_elevation_m": 593.9270361776269,
   "min_gradient_pct": -4.766332194340066,
   "suppressed_max_gradient_pct": 22.4815601183559,
   "suppressed_location_m": [
    1647.0,
    1657.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.817009165821787,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1271.0,
   "end_distance_m": 1291.0,
   "start_elevation_m": 605.460115049682,
   "end_elevation_m": 609.6235168828464,
   "min_gradient_pct": -4.2911681998003814,
   "suppressed_max_gradient_pct": 21.037902252849108,
   "suppressed_location_m": [
    1639.0,
    1659.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.64588099368075,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1271.0,
   "end_distance_m": 1296.0,
   "start_elevation_m": 605.460115049682,
   "end_elevation_m": 610.6215852981022,
   "min_gradient_pct": -4.0857413282656125
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.95262499254136,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1248.0,
   "end_distance_m": 1298.0,
   "start_elevation_m": 601.0200913516092,
   "end_elevation_m": 610.9964038478798,
   "min_gradient_pct": -3.235060817626845
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.109775564555207,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1197.0,
   "end_distance_m": 1297.0,
   "start_elevation_m": 591.7002409769666,
   "end_elevation_m": 610.8100165415218,
   "min_gradient_pct": -1.9870580952873524
  }
 ],
 "shape": {
  "ascent_concentration": 0.432,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 169.0,
  "shape_class": "sustained"
 },
 "length_m": 2622.031410583715,
 "start_elevation_m": 524.0787192548524,
 "end_elevation_m": 693.8116012451073,
 "endpoint_gain_m": 169.7328819902549,
 "overall_gradient_pct": 6.473335189850722,
 "accumulated_ascent_m": 173.89866070787832,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.202370304907163,
   "start_distance_m": 1197.0,
   "end_distance_m": 1202.0,
   "midpoint_distance_m": 1199.5,
   "start_elevation_m": 591.7002409769666,
   "end_elevation_m": 592.860359492212,
   "start_xy": [
    802306.0930832877,
    6549523.894007621
   ],
   "end_xy": [
    802310.508100549,
    6549521.547175164
   ]
  },
  "max_10m": {
   "gradient_pct": 22.267952006602627,
   "start_distance_m": 1197.0,
   "end_distance_m": 1207.0,
   "midpoint_distance_m": 1202.0,
   "start_elevation_m": 591.7002409769666,
   "end_elevation_m": 593.9270361776269,
   "start_xy": [
    802306.0930832877,
    6549523.894007621
   ],
   "end_xy": [
    802314.9231178103,
    6549519.200342706
   ]
  },
  "max_20m": {
   "gradient_pct": 20.817009165821787,
   "start_distance_m": 1271.0,
   "end_distance_m": 1291.0,
   "midpoint_distance_m": 1281.0,
   "start_elevation_m": 605.460115049682,
   "end_elevation_m": 609.6235168828464,
   "start_xy": [
    802371.6075647483,
    6549489.488279724
   ],
   "end_xy": [
    802389.65286547,
    6549480.94305022
   ]
  },
  "max_25m": {
   "gradient_pct": 20.64588099368075,
   "start_distance_m": 1271.0,
   "end_distance_m": 1296.0,
   "midpoint_distance_m": 1283.5,
   "start_elevation_m": 605.460115049682,
   "end_elevation_m": 610.6215852981022,
   "start_xy": [
    802371.6075647483,
    6549489.488279724
   ],
   "end_xy": [
    802394.3446674243,
    6549479.214757877
   ]
  },
  "max_50m": {
   "gradient_pct": 19.95262499254136,
   "start_distance_m": 1248.0,
   "end_distance_m": 1298.0,
   "midpoint_distance_m": 1273.0,
   "start_elevation_m": 601.0200913516092,
   "end_elevation_m": 610.9964038478798,
   "start_xy": [
    802351.2063843332,
    6549500.108629891
   ],
   "end_xy": [
    802396.2270664269,
    6549478.551093405
   ]
  },
  "max_100m": {
   "gradient_pct": 19.109775564555207,
   "start_distance_m": 1197.0,
   "end_distance_m": 1297.0,
   "midpoint_distance_m": 1247.0,
   "start_elevation_m": 591.7002409769666,
   "end_elevation_m": 610.8100165415218,
   "start_xy": [
    802306.0930832877,
    6549523.894007621
   ],
   "end_xy": [
    802395.2830278152,
    6549478.869099408
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.148119732004943,
   "start_distance_m": 2206.0,
   "end_distance_m": 2211.0,
   "midpoint_distance_m": 2208.5,
   "start_elevation_m": 678.7166450813595,
   "end_elevation_m": 678.4592390947593,
   "start_xy": [
    803218.77952613,
    6549762.869916656
   ],
   "end_xy": [
    803223.3338596394,
    6549764.9334200565
   ]
  },
  "min_10m": {
   "gradient_pct": -4.766332194340066,
   "start_distance_m": 2101.0,
   "end_distance_m": 2111.0,
   "midpoint_distance_m": 2106.0,
   "start_elevation_m": 680.7788249524717,
   "end_elevation_m": 680.3021917330377,
   "start_xy": [
    803121.4783215628,
    6549723.967254566
   ],
   "end_xy": [
    803130.2911868509,
    6549728.5399035355
   ]
  },
  "min_20m": {
   "gradient_pct": -4.2911681998003814,
   "start_distance_m": 2097.0,
   "end_distance_m": 2117.0,
   "midpoint_distance_m": 2107.0,
   "start_elevation_m": 680.9287233218365,
   "end_elevation_m": 680.0704896818764,
   "start_xy": [
    803118.1189573746,
    6549721.795924962
   ],
   "end_xy": [
    803135.9707202956,
    6549730.47456109
   ]
  },
  "min_25m": {
   "gradient_pct": -4.0857413282656125,
   "start_distance_m": 2092.0,
   "end_distance_m": 2117.0,
   "midpoint_distance_m": 2104.5,
   "start_elevation_m": 681.0919250139428,
   "end_elevation_m": 680.0704896818764,
   "start_xy": [
    803113.9197521392,
    6549719.0817629555
   ],
   "end_xy": [
    803135.9707202956,
    6549730.47456109
   ]
  },
  "min_50m": {
   "gradient_pct": -3.235060817626845,
   "start_distance_m": 2079.0,
   "end_distance_m": 2129.0,
   "midpoint_distance_m": 2104.0,
   "start_elevation_m": 681.4079466195556,
   "end_elevation_m": 679.7904162107421,
   "start_xy": [
    803103.0018185276,
    6549712.0249417415
   ],
   "end_xy": [
    803147.3312666639,
    6549734.339274014
   ]
  },
  "min_100m": {
   "gradient_pct": -1.9870580952873524,
   "start_distance_m": 2075.0,
   "end_distance_m": 2175.0,
   "midpoint_distance_m": 2125.0,
   "start_elevation_m": 681.4352387993732,
   "end_elevation_m": 679.4481807040859,
   "start_xy": [
    803099.6424543394,
    6549709.853612137
   ],
   "end_xy": [
    803190.3055948741,
    6549750.622625974
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.62365111601912,
   "start_distance_m": 1199.0,
   "end_distance_m": 1201.0,
   "midpoint_distance_m": 1200.0,
   "start_elevation_m": 592.1738745811426,
   "end_elevation_m": 592.666347603463,
   "start_xy": [
    802307.8590901922,
    6549522.955274639
   ],
   "end_xy": [
    802309.6250970968,
    6549522.016541655
   ]
  },
  "max_3m": {
   "gradient_pct": 24.212668851354618,
   "start_distance_m": 1198.0,
   "end_distance_m": 1201.0,
   "midpoint_distance_m": 1199.5,
   "start_elevation_m": 591.9399675379224,
   "end_elevation_m": 592.666347603463,
   "start_xy": [
    802306.9760867399,
    6549523.42464113
   ],
   "end_xy": [
    802309.6250970968,
    6549522.016541655
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.01,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 20.0,
     "start_m": 1639.0,
     "end_m": 1659.0,
     "raw_pct": 21.04,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.079,
   "obstruction_max_height_m": 28.1,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    1637.0,
    1661.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "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_E801-N6548_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E801-N6549_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E802-N6548_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E802-N6549_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E803-N6549_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E803-N6550_0m5@21LHD5NK-2025-02-20.tif"
  ],
  "calculated_at": "2026-09-22T14:38:15+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": [
   "E801-N6548",
   "E801-N6549",
   "E802-N6548",
   "E802-N6549",
   "E803-N6549",
   "E803-N6550"
  ],
  "elevation_blocks": [
   "21LHD5NK@2025-02-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0801_6549_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0801_6550_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0802_6549_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0802_6550_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0803_6550_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0803_6551_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD5NK"
  ],
  "ign_editions": [
   "2025-02-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0801_6549_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0801_6550_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0802_6549_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0802_6550_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0803_6550_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0803_6551_MNT_O_0M50_LAMB93_IGN69": "2025-02-20"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 7,
  "carriageway": {
   "stations": 111,
   "stations_resolved": 111,
   "width_median_m": 6.0,
   "width_p10_m": 3.0,
   "width_min_m": 1.25,
   "width_max_m": 11.25,
   "bounded_share": 0.369,
   "unbounded_share": 0.631,
   "confidence_median": 0.0,
   "width_median_bounded_m": 5.5,
   "window_m": [
    1271.0,
    1296.0
   ],
   "width_at_max25_m": 6.25,
   "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": 111,
    "stations_resolved": 111,
    "width_median_m": 7.75,
    "width_p10_m": 2.5,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.694,
    "unbounded_share": 0.306,
    "confidence_median": 1.0,
    "width_median_bounded_m": 6.25,
    "window_m": [
     1271.0,
     1296.0
    ],
    "width_at_max25_m": 10.75,
    "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": "Thizy-les-Bourgs",
  "county": "Rh\u00f4ne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}