{
 "ocl_version": "0.1.0",
 "name": "Hauteur du Freudenberg from Schorbach",
 "slug": "hauteur-du-freudenberg-from-schorbach",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 17.47129176100657,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2099.0,
   "end_distance_m": 2101.0,
   "start_elevation_m": 401.75947483255976,
   "end_elevation_m": 402.1089006677799,
   "min_gradient_pct": -14.720153843578032
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 12.298645052171272,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 48.0,
   "end_distance_m": 51.0,
   "start_elevation_m": 318.4742900587715,
   "end_elevation_m": 318.8432494103366,
   "min_gradient_pct": -11.299628486239044,
   "suppressed_max_gradient_pct": 14.19029398367305,
   "suppressed_location_m": [
    2195.0,
    2198.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 12.123650149804917,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 48.0,
   "end_distance_m": 53.0,
   "start_elevation_m": 318.4742900587715,
   "end_elevation_m": 319.08047256626173,
   "min_gradient_pct": -7.985662089890866,
   "suppressed_max_gradient_pct": 12.523595452933023,
   "suppressed_location_m": [
    2193.0,
    2198.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 11.561658952256835,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 47.0,
   "end_distance_m": 57.0,
   "start_elevation_m": 318.3485582016839,
   "end_elevation_m": 319.50472409690957,
   "min_gradient_pct": -5.362989931696234
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 11.281813305450328,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 47.0,
   "end_distance_m": 67.0,
   "start_elevation_m": 318.3485582016839,
   "end_elevation_m": 320.60492086277395,
   "min_gradient_pct": -3.5290621141277256
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 11.099428063642108,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 44.0,
   "end_distance_m": 69.0,
   "start_elevation_m": 318.0566459565677,
   "end_elevation_m": 320.83150297247823,
   "min_gradient_pct": -3.4174782575169047
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 9.94419932113692,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 26.0,
   "end_distance_m": 76.0,
   "start_elevation_m": 316.4465574060483,
   "end_elevation_m": 321.4186570666168,
   "min_gradient_pct": -2.9194846736992304
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 8.650531843442593,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 2.0,
   "end_distance_m": 102.0,
   "start_elevation_m": 314.34721380511945,
   "end_elevation_m": 322.99774564856205,
   "min_gradient_pct": -2.450182918832411
  }
 ],
 "shape": {
  "ascent_concentration": 0.476,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 32.0,
  "shape_class": "stepped"
 },
 "length_m": 2723.8256641553985,
 "start_elevation_m": 314.21835386719647,
 "end_elevation_m": 412.3785047207079,
 "endpoint_gain_m": 98.16015085351142,
 "overall_gradient_pct": 3.6037604074763294,
 "accumulated_ascent_m": 109.52124537366205,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 12.123650149804917,
   "start_distance_m": 48.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 50.5,
   "start_elevation_m": 318.4742900587715,
   "end_elevation_m": 319.08047256626173,
   "start_xy": [
    1021751.0040094336,
    6895158.56583968
   ],
   "end_xy": [
    1021753.8861668025,
    6895154.480112217
   ]
  },
  "max_10m": {
   "gradient_pct": 11.561658952256835,
   "start_distance_m": 47.0,
   "end_distance_m": 57.0,
   "midpoint_distance_m": 52.0,
   "start_elevation_m": 318.3485582016839,
   "end_elevation_m": 319.50472409690957,
   "start_xy": [
    1021750.4275779597,
    6895159.382985173
   ],
   "end_xy": [
    1021756.1918926977,
    6895151.211530247
   ]
  },
  "max_20m": {
   "gradient_pct": 11.281813305450328,
   "start_distance_m": 47.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 57.0,
   "start_elevation_m": 318.3485582016839,
   "end_elevation_m": 320.60492086277395,
   "start_xy": [
    1021750.4275779597,
    6895159.382985173
   ],
   "end_xy": [
    1021759.3883336297,
    6895141.769216449
   ]
  },
  "max_25m": {
   "gradient_pct": 11.099428063642108,
   "start_distance_m": 44.0,
   "end_distance_m": 69.0,
   "midpoint_distance_m": 56.5,
   "start_elevation_m": 318.0566459565677,
   "end_elevation_m": 320.83150297247823,
   "start_xy": [
    1021748.6982835383,
    6895161.83442165
   ],
   "end_xy": [
    1021759.7112431516,
    6895139.846145558
   ]
  },
  "max_50m": {
   "gradient_pct": 9.94419932113692,
   "start_distance_m": 26.0,
   "end_distance_m": 76.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 316.4465574060483,
   "end_elevation_m": 321.4186570666168,
   "start_xy": [
    1021738.2479442201,
    6895176.488235914
   ],
   "end_xy": [
    1021758.3011345302,
    6895132.989645454
   ]
  },
  "max_100m": {
   "gradient_pct": 8.650531843442593,
   "start_distance_m": 2.0,
   "end_distance_m": 102.0,
   "midpoint_distance_m": 52.0,
   "start_elevation_m": 314.34721380511945,
   "end_elevation_m": 322.99774564856205,
   "start_xy": [
    1021723.6624572477,
    6895195.547710455
   ],
   "end_xy": [
    1021741.5007038148,
    6895113.383810076
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.985662089890866,
   "start_distance_m": 2094.0,
   "end_distance_m": 2099.0,
   "midpoint_distance_m": 2096.5,
   "start_elevation_m": 402.1587579370543,
   "end_elevation_m": 401.75947483255976,
   "start_xy": [
    1021692.5857070733,
    6893465.242860845
   ],
   "end_xy": [
    1021689.8976065128,
    6893461.026924962
   ]
  },
  "min_10m": {
   "gradient_pct": -5.362989931696234,
   "start_distance_m": 2089.0,
   "end_distance_m": 2099.0,
   "midpoint_distance_m": 2094.0,
   "start_elevation_m": 402.2957738257294,
   "end_elevation_m": 401.75947483255976,
   "start_xy": [
    1021695.2738076338,
    6893469.458796729
   ],
   "end_xy": [
    1021689.8976065128,
    6893461.026924962
   ]
  },
  "min_20m": {
   "gradient_pct": -3.5290621141277256,
   "start_distance_m": 1984.0,
   "end_distance_m": 2004.0,
   "midpoint_distance_m": 1994.0,
   "start_elevation_m": 404.37198585666056,
   "end_elevation_m": 403.666173433835,
   "start_xy": [
    1021754.1704989946,
    6893556.367987457
   ],
   "end_xy": [
    1021742.7915388911,
    6893539.92051753
   ]
  },
  "min_25m": {
   "gradient_pct": -3.4174782575169047,
   "start_distance_m": 1977.0,
   "end_distance_m": 2002.0,
   "midpoint_distance_m": 1989.5,
   "start_elevation_m": 404.5774001919065,
   "end_elevation_m": 403.7230306275273,
   "start_xy": [
    1021758.1531350309,
    6893562.12460193
   ],
   "end_xy": [
    1021743.9294349016,
    6893541.565264523
   ]
  },
  "min_50m": {
   "gradient_pct": -2.9194846736992304,
   "start_distance_m": 1965.0,
   "end_distance_m": 2015.0,
   "midpoint_distance_m": 1990.0,
   "start_elevation_m": 404.8392098071339,
   "end_elevation_m": 403.3794674702843,
   "start_xy": [
    1021764.9789371006,
    6893571.99407706
   ],
   "end_xy": [
    1021736.5331108343,
    6893530.874409071
   ]
  },
  "min_100m": {
   "gradient_pct": -2.450182918832411,
   "start_distance_m": 1961.0,
   "end_distance_m": 2061.0,
   "midpoint_distance_m": 2011.0,
   "start_elevation_m": 404.91500063869637,
   "end_elevation_m": 402.46481771986396,
   "start_xy": [
    1021766.9684168826,
    6893575.464231264
   ],
   "end_xy": [
    1021710.3615025964,
    6893493.045228242
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 17.47129176100657,
   "start_distance_m": 2099.0,
   "end_distance_m": 2101.0,
   "midpoint_distance_m": 2100.0,
   "start_elevation_m": 401.75947483255976,
   "end_elevation_m": 402.1089006677799,
   "start_xy": [
    1021689.8976065128,
    6893461.026924962
   ],
   "end_xy": [
    1021688.8222515739,
    6893459.340623757
   ]
  },
  "max_3m": {
   "gradient_pct": 12.298645052171272,
   "start_distance_m": 48.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 49.5,
   "start_elevation_m": 318.4742900587715,
   "end_elevation_m": 318.8432494103366,
   "start_xy": [
    1021751.0040094336,
    6895158.56583968
   ],
   "end_xy": [
    1021752.7333038549,
    6895156.114403202
   ]
  }
 },
 "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": 0.015,
   "windows_resited": [
    3.0,
    5.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.212,
   "obstruction_max_height_m": 26.5,
   "flagged_windows_m": [
    100
   ]
  },
  "excluded_ranges_m": [
   [
    2157.0,
    2197.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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-ne8",
   "road_pbf": "block-batch-fr-ne8.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_E1021-N6893_0m5@22LHDVosgesRE-2025-02-17.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1021-N6894_0m5@22LHDVosgesRE-2025-02-17.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1021-N6895_0m5@22LHDVosgesRE-2025-02-17.tif"
  ],
  "calculated_at": "2026-09-26T17:54:20+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-ne8.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-ne8",
  "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": [
   "E1021-N6893",
   "E1021-N6894",
   "E1021-N6895"
  ],
  "elevation_blocks": [
   "22LHDVosgesRE@2025-02-17"
  ],
  "ign_dalles": [
   "LHD_FXX_1021_6894_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_1021_6895_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_1021_6896_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHDVosgesRE"
  ],
  "ign_editions": [
   "2025-02-17"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_1021_6894_MNT_O_0M50_LAMB93_IGN69": "2025-02-17",
   "LHD_FXX_1021_6895_MNT_O_0M50_LAMB93_IGN69": "2025-02-17",
   "LHD_FXX_1021_6896_MNT_O_0M50_LAMB93_IGN69": "2025-02-17"
  },
  "climb_origin": "named-pass",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "structure_own_ways": 9,
  "structure_mask_ranges_m": [
   [
    2162.6,
    2192.6
   ]
  ],
  "carriageway": {
   "stations": 115,
   "stations_resolved": 115,
   "width_median_m": 6.0,
   "width_p10_m": 4.5,
   "width_min_m": 3.25,
   "width_max_m": 12.0,
   "bounded_share": 0.104,
   "unbounded_share": 0.896,
   "confidence_median": 0.0,
   "width_median_bounded_m": 5.75,
   "window_m": [
    44.0,
    69.0
   ],
   "width_at_max25_m": 7.25,
   "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": 115,
    "stations_resolved": 115,
    "width_median_m": 7.0,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.583,
    "unbounded_share": 0.417,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.0,
    "window_m": [
     44.0,
     69.0
    ],
    "width_at_max25_m": 6.5,
    "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": "Schorbach",
  "county": "Moselle",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}