{
 "ocl_version": "0.1.0",
 "name": "Chemin de Beuvignes",
 "slug": "chemin-de-beuvignes",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.18186639433998,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 764.0,
   "end_distance_m": 766.0,
   "start_elevation_m": 279.2999052540636,
   "end_elevation_m": 279.9835425819504,
   "min_gradient_pct": -13.571151771321865,
   "suppressed_max_gradient_pct": 51.676795957786226,
   "suppressed_location_m": [
    935.0,
    937.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.793751752477874,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 763.0,
   "end_distance_m": 766.0,
   "start_elevation_m": 278.9697300293761,
   "end_elevation_m": 279.9835425819504,
   "min_gradient_pct": -12.694732275881885,
   "suppressed_max_gradient_pct": 40.7689845534037,
   "suppressed_location_m": [
    934.0,
    937.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.86370055247744,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 763.0,
   "end_distance_m": 768.0,
   "start_elevation_m": 278.9697300293761,
   "end_elevation_m": 280.61291505699995,
   "min_gradient_pct": -11.601786527662625,
   "suppressed_max_gradient_pct": 33.01896542574582,
   "suppressed_location_m": [
    932.0,
    937.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 30.138957004864437,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 763.0,
   "end_distance_m": 773.0,
   "start_elevation_m": 278.9697300293761,
   "end_elevation_m": 281.9836257298625,
   "min_gradient_pct": -7.144769826620632
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.200359794622273,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 761.0,
   "end_distance_m": 781.0,
   "start_elevation_m": 278.62104979156425,
   "end_elevation_m": 283.4611217504887,
   "min_gradient_pct": -4.810649805357627
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.234330707327672,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 604.0,
   "end_distance_m": 629.0,
   "start_elevation_m": 260.44846628808205,
   "end_elevation_m": 266.25704896491396,
   "min_gradient_pct": -4.359542538085634
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.97676702317267,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 604.0,
   "end_distance_m": 654.0,
   "start_elevation_m": 260.44846628808205,
   "end_elevation_m": 271.4368497996684,
   "min_gradient_pct": -0.3390733192351263
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.236777196414437,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 555.0,
   "end_distance_m": 655.0,
   "start_elevation_m": 251.4009157200552,
   "end_elevation_m": 271.63769291646963,
   "min_gradient_pct": 5.365362016261827
  }
 ],
 "shape": {
  "ascent_concentration": 0.328,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 185.0,
  "shape_class": "sustained"
 },
 "length_m": 1071.6735336926643,
 "start_elevation_m": 194.1225999771098,
 "end_elevation_m": 316.6151138696496,
 "endpoint_gain_m": 122.49251389253979,
 "overall_gradient_pct": 11.43002136765172,
 "accumulated_ascent_m": 124.41729539040003,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.86370055247744,
   "start_distance_m": 763.0,
   "end_distance_m": 768.0,
   "midpoint_distance_m": 765.5,
   "start_elevation_m": 278.9697300293761,
   "end_elevation_m": 280.61291505699995,
   "start_xy": [
    932646.0924819092,
    6855179.528265125
   ],
   "end_xy": [
    932648.5196395172,
    6855183.899638588
   ]
  },
  "max_10m": {
   "gradient_pct": 30.138957004864437,
   "start_distance_m": 763.0,
   "end_distance_m": 773.0,
   "midpoint_distance_m": 768.0,
   "start_elevation_m": 278.9697300293761,
   "end_elevation_m": 281.9836257298625,
   "start_xy": [
    932646.0924819092,
    6855179.528265125
   ],
   "end_xy": [
    932650.9467971253,
    6855188.271012049
   ]
  },
  "max_20m": {
   "gradient_pct": 24.200359794622273,
   "start_distance_m": 761.0,
   "end_distance_m": 781.0,
   "midpoint_distance_m": 771.0,
   "start_elevation_m": 278.62104979156425,
   "end_elevation_m": 283.4611217504887,
   "start_xy": [
    932645.121618866,
    6855177.77971574
   ],
   "end_xy": [
    932655.0526538658,
    6855195.119022859
   ]
  },
  "max_25m": {
   "gradient_pct": 23.234330707327672,
   "start_distance_m": 604.0,
   "end_distance_m": 629.0,
   "midpoint_distance_m": 616.5,
   "start_elevation_m": 260.44846628808205,
   "end_elevation_m": 266.25704896491396,
   "start_xy": [
    932638.58659656,
    6855060.20101879
   ],
   "end_xy": [
    932659.4395703034,
    6855073.990633942
   ]
  },
  "max_50m": {
   "gradient_pct": 21.97676702317267,
   "start_distance_m": 604.0,
   "end_distance_m": 654.0,
   "midpoint_distance_m": 629.0,
   "start_elevation_m": 260.44846628808205,
   "end_elevation_m": 271.4368497996684,
   "start_xy": [
    932638.58659656,
    6855060.20101879
   ],
   "end_xy": [
    932682.7391526235,
    6855082.389601946
   ]
  },
  "max_100m": {
   "gradient_pct": 20.236777196414437,
   "start_distance_m": 555.0,
   "end_distance_m": 655.0,
   "midpoint_distance_m": 605.0,
   "start_elevation_m": 251.4009157200552,
   "end_elevation_m": 271.63769291646963,
   "start_xy": [
    932601.0823755439,
    6855028.841709724
   ],
   "end_xy": [
    932683.7034924736,
    6855082.654269008
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.601786527662625,
   "start_distance_m": 820.0,
   "end_distance_m": 825.0,
   "midpoint_distance_m": 822.5,
   "start_elevation_m": 283.1114222625595,
   "end_elevation_m": 282.53133293617634,
   "start_xy": [
    932653.7980723324,
    6855233.769408488
   ],
   "end_xy": [
    932653.3854910439,
    6855238.7523570815
   ]
  },
  "min_10m": {
   "gradient_pct": -7.144769826620632,
   "start_distance_m": 815.0,
   "end_distance_m": 825.0,
   "midpoint_distance_m": 820.0,
   "start_elevation_m": 283.2458099188384,
   "end_elevation_m": 282.53133293617634,
   "start_xy": [
    932654.2106536209,
    6855228.786459895
   ],
   "end_xy": [
    932653.3854910439,
    6855238.7523570815
   ]
  },
  "min_20m": {
   "gradient_pct": -4.810649805357627,
   "start_distance_m": 805.0,
   "end_distance_m": 825.0,
   "midpoint_distance_m": 815.0,
   "start_elevation_m": 283.49346289724787,
   "end_elevation_m": 282.53133293617634,
   "start_xy": [
    932655.0358161977,
    6855218.820562709
   ],
   "end_xy": [
    932653.3854910439,
    6855238.7523570815
   ]
  },
  "min_25m": {
   "gradient_pct": -4.359542538085634,
   "start_distance_m": 800.0,
   "end_distance_m": 825.0,
   "midpoint_distance_m": 812.5,
   "start_elevation_m": 283.62121857069775,
   "end_elevation_m": 282.53133293617634,
   "start_xy": [
    932655.4483974862,
    6855213.837614116
   ],
   "end_xy": [
    932653.3854910439,
    6855238.7523570815
   ]
  },
  "min_50m": {
   "gradient_pct": -0.3390733192351263,
   "start_distance_m": 780.0,
   "end_distance_m": 830.0,
   "midpoint_distance_m": 805.0,
   "start_elevation_m": 283.3057740527652,
   "end_elevation_m": 283.1362373931476,
   "start_xy": [
    932654.677223549,
    6855194.194097154
   ],
   "end_xy": [
    932656.6729180415,
    6855236.043785803
   ]
  },
  "min_100m": {
   "gradient_pct": 5.365362016261827,
   "start_distance_m": 726.0,
   "end_distance_m": 826.0,
   "midpoint_distance_m": 776.0,
   "start_elevation_m": 277.2165549194098,
   "end_elevation_m": 282.58191693567164,
   "start_xy": [
    932653.6623964659,
    6855144.311606056
   ],
   "end_xy": [
    932653.7643860343,
    6855238.78977225
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.18186639433998,
   "start_distance_m": 764.0,
   "end_distance_m": 766.0,
   "midpoint_distance_m": 765.0,
   "start_elevation_m": 279.2999052540636,
   "end_elevation_m": 279.9835425819504,
   "start_xy": [
    932646.5779134308,
    6855180.402539818
   ],
   "end_xy": [
    932647.548776474,
    6855182.151089203
   ]
  },
  "max_3m": {
   "gradient_pct": 33.793751752477874,
   "start_distance_m": 763.0,
   "end_distance_m": 766.0,
   "midpoint_distance_m": 764.5,
   "start_elevation_m": 278.9697300293761,
   "end_elevation_m": 279.9835425819504,
   "start_xy": [
    932646.0924819092,
    6855179.528265125
   ],
   "end_xy": [
    932647.548776474,
    6855182.151089203
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.006,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.003,
   "obstruction_max_height_m": 4.41,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    933.0,
    938.0
   ]
  ],
  "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-ne7",
   "road_pbf": "block-batch-fr-ne7.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_E932-N6854_0m5@23LHD1PE-2025-01-29.tif",
   "data/cache/fr/ign-lidarhd_dtm_E932-N6855_0m5@23LHD1PE-2025-01-29.tif"
  ],
  "calculated_at": "2026-09-26T17:50:16+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-ne7.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-ne7",
  "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": [
   "E932-N6854",
   "E932-N6855"
  ],
  "elevation_blocks": [
   "23LHD1PE@2025-01-29"
  ],
  "ign_dalles": [
   "LHD_FXX_0932_6855_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0932_6856_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "23LHD1PE"
  ],
  "ign_editions": [
   "2025-01-29"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0932_6855_MNT_O_0M50_LAMB93_IGN69": "2025-01-29",
   "LHD_FXX_0932_6856_MNT_O_0M50_LAMB93_IGN69": "2025-01-29"
  },
  "climb_origin": "discovered",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "structure_own_ways": 10,
  "carriageway": {
   "stations": 49,
   "stations_resolved": 49,
   "width_median_m": 4.75,
   "width_p10_m": 3.25,
   "width_min_m": 2.0,
   "width_max_m": 12.0,
   "bounded_share": 0.163,
   "unbounded_share": 0.837,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.62,
   "window_m": [
    604.0,
    629.0
   ],
   "width_at_max25_m": 4.5,
   "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": 49,
    "stations_resolved": 49,
    "width_median_m": 7.0,
    "width_p10_m": 3.5,
    "width_min_m": 2.0,
    "width_max_m": 12.0,
    "bounded_share": 0.673,
    "unbounded_share": 0.327,
    "confidence_median": 1.0,
    "width_median_bounded_m": 6.0,
    "window_m": [
     604.0,
     629.0
    ],
    "width_at_max25_m": 6.75,
    "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": "Bouxi\u00e8res-aux-Dames",
  "county": "Meurthe-et-Moselle",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}