{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (48.4659, 5.6754)",
 "slug": "discovered-lane-48-4659-5-6754",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 54.64970528171875,
   "diagnostic": true,
   "flags": [
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 99.0,
   "end_distance_m": 101.0,
   "start_elevation_m": 309.42801076340237,
   "end_elevation_m": 310.52100486903674,
   "min_gradient_pct": -4.446147520329191,
   "suppressed_min_gradient_pct": -5.087159975241207,
   "suppressed_min_location_m": [
    90.0,
    92.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 49.018606206866856,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 99.0,
   "end_distance_m": 102.0,
   "start_elevation_m": 309.42801076340237,
   "end_elevation_m": 310.8985689496084,
   "min_gradient_pct": -1.9873967680856215
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.17275780454429,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 119.0,
   "end_distance_m": 124.0,
   "start_elevation_m": 312.7340847843975,
   "end_elevation_m": 314.3427226746247,
   "min_gradient_pct": 0.18427659447411315,
   "suppressed_min_gradient_pct": -0.2581493005664015,
   "suppressed_min_location_m": [
    90.0,
    95.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.4439689437404,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 117.0,
   "end_distance_m": 127.0,
   "start_elevation_m": 312.3204214626568,
   "end_elevation_m": 314.9648183570308,
   "min_gradient_pct": 5.12091324602352,
   "suppressed_min_gradient_pct": 1.0504510256993171,
   "suppressed_min_location_m": [
    89.0,
    99.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.700065985615367,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 118.0,
   "end_distance_m": 138.0,
   "start_elevation_m": 312.48449492336334,
   "end_elevation_m": 317.0245081204864,
   "min_gradient_pct": 6.6318511647088485,
   "suppressed_min_gradient_pct": 2.437992774264899,
   "suppressed_min_location_m": [
    78.0,
    98.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.938613898018957,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 118.0,
   "end_distance_m": 143.0,
   "start_elevation_m": 312.48449492336334,
   "end_elevation_m": 317.9691483978681,
   "min_gradient_pct": 7.157206275213866,
   "suppressed_min_gradient_pct": 2.995323884630352,
   "suppressed_min_location_m": [
    73.0,
    98.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.096018484294518,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 118.0,
   "end_distance_m": 168.0,
   "start_elevation_m": 312.48449492336334,
   "end_elevation_m": 322.5325041655106,
   "min_gradient_pct": 9.468680011289507,
   "suppressed_min_gradient_pct": 5.686462918796224,
   "suppressed_min_location_m": [
    49.0,
    99.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.8331110241607,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 99.0,
   "end_distance_m": 199.0,
   "start_elevation_m": 309.42801076340237,
   "end_elevation_m": 328.26112178756307,
   "min_gradient_pct": 17.055015438101748,
   "suppressed_min_gradient_pct": 8.004461367742579,
   "suppressed_min_location_m": [
    0.0,
    100.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.377,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 88.0,
  "shape_class": "sustained"
 },
 "length_m": 199.5565178181563,
 "start_elevation_m": 301.9569915163597,
 "end_elevation_m": 328.43772172426014,
 "endpoint_gain_m": 26.48073020790042,
 "overall_gradient_pct": 13.269789680350456,
 "accumulated_ascent_m": 26.82507913978884,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.17275780454429,
   "start_distance_m": 119.0,
   "end_distance_m": 124.0,
   "midpoint_distance_m": 121.5,
   "start_elevation_m": 312.7340847843975,
   "end_elevation_m": 314.3427226746247,
   "start_xy": [
    897741.6241592986,
    6821760.600105912
   ],
   "end_xy": [
    897740.7310031494,
    6821755.680525433
   ]
  },
  "max_10m": {
   "gradient_pct": 26.4439689437404,
   "start_distance_m": 117.0,
   "end_distance_m": 127.0,
   "midpoint_distance_m": 122.0,
   "start_elevation_m": 312.3204214626568,
   "end_elevation_m": 314.9648183570308,
   "start_xy": [
    897741.9814217583,
    6821762.567938104
   ],
   "end_xy": [
    897739.3357209542,
    6821753.025033408
   ]
  },
  "max_20m": {
   "gradient_pct": 22.700065985615367,
   "start_distance_m": 118.0,
   "end_distance_m": 138.0,
   "midpoint_distance_m": 128.0,
   "start_elevation_m": 312.48449492336334,
   "end_elevation_m": 317.0245081204864,
   "start_xy": [
    897741.8027905285,
    6821761.584022008
   ],
   "end_xy": [
    897734.2137765893,
    6821743.290266542
   ]
  },
  "max_25m": {
   "gradient_pct": 21.938613898018957,
   "start_distance_m": 118.0,
   "end_distance_m": 143.0,
   "midpoint_distance_m": 130.5,
   "start_elevation_m": 312.48449492336334,
   "end_elevation_m": 317.9691483978681,
   "start_xy": [
    897741.8027905285,
    6821761.584022008
   ],
   "end_xy": [
    897731.8856200598,
    6821738.8653725125
   ]
  },
  "max_50m": {
   "gradient_pct": 20.096018484294518,
   "start_distance_m": 118.0,
   "end_distance_m": 168.0,
   "midpoint_distance_m": 143.0,
   "start_elevation_m": 312.48449492336334,
   "end_elevation_m": 322.5325041655106,
   "start_xy": [
    897741.8027905285,
    6821761.584022008
   ],
   "end_xy": [
    897719.7416712939,
    6821717.023220201
   ]
  },
  "max_100m": {
   "gradient_pct": 18.8331110241607,
   "start_distance_m": 99.0,
   "end_distance_m": 199.0,
   "midpoint_distance_m": 149.0,
   "start_elevation_m": 309.42801076340237,
   "end_elevation_m": 328.26112178756307,
   "start_xy": [
    897743.447136336,
    6821780.1547314245
   ],
   "end_xy": [
    897703.8493027822,
    6821690.406822565
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.18427659447411315,
   "start_distance_m": 112.0,
   "end_distance_m": 117.0,
   "midpoint_distance_m": 114.5,
   "start_elevation_m": 312.3112076329331,
   "end_elevation_m": 312.3204214626568,
   "start_xy": [
    897742.8745779075,
    6821767.487518583
   ],
   "end_xy": [
    897741.9814217583,
    6821762.567938104
   ]
  },
  "min_10m": {
   "gradient_pct": 5.12091324602352,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 301.9569915163597,
   "end_elevation_m": 302.4690828409621,
   "start_xy": [
    897709.078,
    6821872.943
   ],
   "end_xy": [
    897712.8342610956,
    6821863.67528709
   ]
  },
  "min_20m": {
   "gradient_pct": 6.6318511647088485,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 301.9569915163597,
   "end_elevation_m": 303.2833617493015,
   "start_xy": [
    897709.078,
    6821872.943
   ],
   "end_xy": [
    897716.5905221914,
    6821854.4075741805
   ]
  },
  "min_25m": {
   "gradient_pct": 7.157206275213866,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 301.9569915163597,
   "end_elevation_m": 303.7462930851632,
   "start_xy": [
    897709.078,
    6821872.943
   ],
   "end_xy": [
    897718.4686527392,
    6821849.773717725
   ]
  },
  "min_50m": {
   "gradient_pct": 9.468680011289507,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 301.9569915163597,
   "end_elevation_m": 306.6913315220045,
   "start_xy": [
    897709.078,
    6821872.943
   ],
   "end_xy": [
    897727.8593054783,
    6821826.60443545
   ]
  },
  "min_100m": {
   "gradient_pct": 17.055015438101748,
   "start_distance_m": 91.0,
   "end_distance_m": 191.0,
   "midpoint_distance_m": 141.0,
   "start_elevation_m": 309.2993376491745,
   "end_elevation_m": 326.35435308727625,
   "start_xy": [
    897740.9248631703,
    6821787.74670996
   ],
   "end_xy": [
    897707.9505591723,
    6821697.275570342
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 54.64970528171875,
   "start_distance_m": 99.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 100.0,
   "start_elevation_m": 309.42801076340237,
   "end_elevation_m": 310.52100486903674,
   "start_xy": [
    897743.447136336,
    6821780.1547314245
   ],
   "end_xy": [
    897744.0777046274,
    6821778.256736791
   ]
  },
  "max_3m": {
   "gradient_pct": 49.018606206866856,
   "start_distance_m": 99.0,
   "end_distance_m": 102.0,
   "midpoint_distance_m": 100.5,
   "start_elevation_m": 309.42801076340237,
   "end_elevation_m": 310.8985689496084,
   "start_xy": [
    897743.447136336,
    6821780.1547314245
   ],
   "end_xy": [
    897744.3929887732,
    6821777.307739474
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.155,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.96,
   "obstruction_max_height_m": 26.46,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    60.0,
    90.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "16bcc1553fe58b280e0c4a66a3ab0980530490a6",
   "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-ne6",
   "road_pbf": "block-batch-fr-ne6.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": "sha256:18f786cf9fa98070"
  },
  "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_E897-N6821_0m5@24LHDPF-2025-09-11.tif"
  ],
  "calculated_at": "2026-09-26T18:38:52+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-ne6.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-ne6",
  "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": [
   "E897-N6821"
  ],
  "elevation_blocks": [
   "24LHDPF@2025-09-11"
  ],
  "ign_dalles": [
   "LHD_FXX_0897_6822_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "24LHDPF"
  ],
  "ign_editions": [
   "2025-09-11"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0897_6822_MNT_O_0M50_LAMB93_IGN69": "2025-09-11"
  },
  "climb_origin": "discovered",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "structure_own_ways": 1,
  "carriageway": {
   "stations": 14,
   "stations_resolved": 14,
   "width_median_m": 2.88,
   "width_p10_m": 1.3,
   "width_min_m": 1.0,
   "width_max_m": 9.25,
   "bounded_share": 0.286,
   "unbounded_share": 0.714,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.5,
   "window_m": [
    118.0,
    143.0
   ],
   "width_at_max25_m": 2.75,
   "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": 14,
    "stations_resolved": 14,
    "width_median_m": 1.75,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 6.5,
    "bounded_share": 0.929,
    "unbounded_share": 0.071,
    "confidence_median": 1.0,
    "width_median_bounded_m": 1.75,
    "window_m": [
     118.0,
     143.0
    ],
    "width_at_max25_m": 1.75,
    "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": "Greux",
  "county": "Meuse",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}