{
 "ocl_version": "0.1.0",
 "name": "Route des Forts",
 "slug": "route-des-forts-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.9185812346866,
   "diagnostic": true,
   "flags": [
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2066.0,
   "end_distance_m": 2068.0,
   "start_elevation_m": 598.981723089864,
   "end_elevation_m": 599.4800947145577,
   "min_gradient_pct": -16.42510288587573,
   "suppressed_max_gradient_pct": 46.17761619205112,
   "suppressed_location_m": [
    2360.0,
    2362.0
   ],
   "suppressed_min_gradient_pct": -42.37784793783135,
   "suppressed_min_location_m": [
    2366.0,
    2368.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.623318705372792,
   "diagnostic": true,
   "flags": [
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2066.0,
   "end_distance_m": 2069.0,
   "start_elevation_m": 598.981723089864,
   "end_elevation_m": 599.7204226510252,
   "min_gradient_pct": -13.469282551951286,
   "suppressed_max_gradient_pct": 38.72882956378211,
   "suppressed_location_m": [
    2359.0,
    2362.0
   ],
   "suppressed_min_gradient_pct": -24.152441620848702,
   "suppressed_min_location_m": [
    2366.0,
    2369.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.340838266567516,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2064.0,
   "end_distance_m": 2069.0,
   "start_elevation_m": 598.5533807376968,
   "end_elevation_m": 599.7204226510252,
   "min_gradient_pct": -11.7027144386293,
   "suppressed_max_gradient_pct": 31.264315224486836,
   "suppressed_location_m": [
    2358.0,
    2363.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.65859245550928,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2059.0,
   "end_distance_m": 2069.0,
   "start_elevation_m": 597.4545634054742,
   "end_elevation_m": 599.7204226510252,
   "min_gradient_pct": -9.75505153987001,
   "suppressed_max_gradient_pct": 22.71235706110474,
   "suppressed_location_m": [
    2356.0,
    2366.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.970514079218106,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2050.0,
   "end_distance_m": 2070.0,
   "start_elevation_m": 595.7231166296572,
   "end_elevation_m": 599.9172194455008,
   "min_gradient_pct": -7.50414037388623
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.292539425021005,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1924.0,
   "end_distance_m": 1949.0,
   "start_elevation_m": 577.3798469010094,
   "end_elevation_m": 582.4529817572646,
   "min_gradient_pct": -6.711030239233878
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.624795834045926,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1911.0,
   "end_distance_m": 1961.0,
   "start_elevation_m": 574.8699696691507,
   "end_elevation_m": 584.6823675861737,
   "min_gradient_pct": -5.077000736974696
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.426720373560443,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1884.0,
   "end_distance_m": 1984.0,
   "start_elevation_m": 570.6599776368051,
   "end_elevation_m": 588.0866980103656,
   "min_gradient_pct": -4.95655684504959
  }
 ],
 "shape": {
  "ascent_concentration": 0.363,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 253.0,
  "shape_class": "sustained"
 },
 "length_m": 4169.223210304095,
 "start_elevation_m": 410.9531322259441,
 "end_elevation_m": 711.1095982421805,
 "endpoint_gain_m": 300.1564660162364,
 "overall_gradient_pct": 7.19933788323949,
 "accumulated_ascent_m": 319.7031565776659,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.340838266567516,
   "start_distance_m": 2064.0,
   "end_distance_m": 2069.0,
   "midpoint_distance_m": 2066.5,
   "start_elevation_m": 598.5533807376968,
   "end_elevation_m": 599.7204226510252,
   "start_xy": [
    969688.8846790034,
    6768062.279076721
   ],
   "end_xy": [
    969690.7423673115,
    6768066.921166137
   ]
  },
  "max_10m": {
   "gradient_pct": 22.65859245550928,
   "start_distance_m": 2059.0,
   "end_distance_m": 2069.0,
   "midpoint_distance_m": 2064.0,
   "start_elevation_m": 597.4545634054742,
   "end_elevation_m": 599.7204226510252,
   "start_xy": [
    969686.9484625526,
    6768057.671728419
   ],
   "end_xy": [
    969690.7423673115,
    6768066.921166137
   ]
  },
  "max_20m": {
   "gradient_pct": 20.970514079218106,
   "start_distance_m": 2050.0,
   "end_distance_m": 2070.0,
   "midpoint_distance_m": 2060.0,
   "start_elevation_m": 595.7231166296572,
   "end_elevation_m": 599.9172194455008,
   "start_xy": [
    969683.0145562455,
    6768049.577015257
   ],
   "end_xy": [
    969691.1139049731,
    6768067.84958402
   ]
  },
  "max_25m": {
   "gradient_pct": 20.292539425021005,
   "start_distance_m": 1924.0,
   "end_distance_m": 1949.0,
   "midpoint_distance_m": 1936.5,
   "start_elevation_m": 577.3798469010094,
   "end_elevation_m": 582.4529817572646,
   "start_xy": [
    969623.4075098606,
    6767939.7043672325
   ],
   "end_xy": [
    969638.9538093207,
    6767959.282047451
   ]
  },
  "max_50m": {
   "gradient_pct": 19.624795834045926,
   "start_distance_m": 1911.0,
   "end_distance_m": 1961.0,
   "midpoint_distance_m": 1936.0,
   "start_elevation_m": 574.8699696691507,
   "end_elevation_m": 584.6823675861737,
   "start_xy": [
    969615.5933257316,
    6767929.315020458
   ],
   "end_xy": [
    969646.2354082937,
    6767968.813855761
   ]
  },
  "max_100m": {
   "gradient_pct": 17.426720373560443,
   "start_distance_m": 1884.0,
   "end_distance_m": 1984.0,
   "midpoint_distance_m": 1934.0,
   "start_elevation_m": 570.6599776368051,
   "end_elevation_m": 588.0866980103656,
   "start_xy": [
    969597.6030174335,
    6767909.287516435
   ],
   "end_xy": [
    969657.0896493803,
    6767988.904235279
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.7027144386293,
   "start_distance_m": 3717.0,
   "end_distance_m": 3722.0,
   "midpoint_distance_m": 3719.5,
   "start_elevation_m": 712.0612764946552,
   "end_elevation_m": 711.4761407727237,
   "start_xy": [
    968617.2221324835,
    6767568.855621702
   ],
   "end_xy": [
    968614.7578938846,
    6767564.505043795
   ]
  },
  "min_10m": {
   "gradient_pct": -9.75505153987001,
   "start_distance_m": 1805.0,
   "end_distance_m": 1815.0,
   "midpoint_distance_m": 1810.0,
   "start_elevation_m": 570.502072523883,
   "end_elevation_m": 569.526567369896,
   "start_xy": [
    969527.8492704342,
    6767874.038877335
   ],
   "end_xy": [
    969536.3900107093,
    6767879.205923312
   ]
  },
  "min_20m": {
   "gradient_pct": -7.50414037388623,
   "start_distance_m": 1805.0,
   "end_distance_m": 1825.0,
   "midpoint_distance_m": 1815.0,
   "start_elevation_m": 570.502072523883,
   "end_elevation_m": 569.0012444491058,
   "start_xy": [
    969527.8492704342,
    6767874.038877335
   ],
   "end_xy": [
    969545.9192169979,
    6767882.238121773
   ]
  },
  "min_25m": {
   "gradient_pct": -6.711030239233878,
   "start_distance_m": 1795.0,
   "end_distance_m": 1820.0,
   "midpoint_distance_m": 1807.5,
   "start_elevation_m": 570.8485339875143,
   "end_elevation_m": 569.1707764277058,
   "start_xy": [
    969521.2407835972,
    6767866.753610345
   ],
   "end_xy": [
    969541.1546138537,
    6767880.722022543
   ]
  },
  "min_50m": {
   "gradient_pct": -5.077000736974696,
   "start_distance_m": 4100.0,
   "end_distance_m": 4150.0,
   "midpoint_distance_m": 4125.0,
   "start_elevation_m": 714.2944577057236,
   "end_elevation_m": 711.7559573372363,
   "start_xy": [
    968359.5951457708,
    6767307.524390377
   ],
   "end_xy": [
    968332.5387233627,
    6767265.590969297
   ]
  },
  "min_100m": {
   "gradient_pct": -4.95655684504959,
   "start_distance_m": 4044.0,
   "end_distance_m": 4144.0,
   "midpoint_distance_m": 4094.0,
   "start_elevation_m": 716.965090393252,
   "end_elevation_m": 712.0085335482024,
   "start_xy": [
    968389.3752889566,
    6767354.873382622
   ],
   "end_xy": [
    968336.202153335,
    6767270.32966688
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.9185812346866,
   "start_distance_m": 2066.0,
   "end_distance_m": 2068.0,
   "midpoint_distance_m": 2067.0,
   "start_elevation_m": 598.981723089864,
   "end_elevation_m": 599.4800947145577,
   "start_xy": [
    969689.6277543267,
    6768064.135912487
   ],
   "end_xy": [
    969690.3708296499,
    6768065.992748253
   ]
  },
  "max_3m": {
   "gradient_pct": 24.623318705372792,
   "start_distance_m": 2066.0,
   "end_distance_m": 2069.0,
   "midpoint_distance_m": 2067.5,
   "start_elevation_m": 598.981723089864,
   "end_elevation_m": 599.7204226510252,
   "start_xy": [
    969689.6277543267,
    6768064.135912487
   ],
   "end_xy": [
    969690.7423673115,
    6768066.921166137
   ]
  }
 },
 "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": 0.001,
   "windows_resited": [
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0
   ],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.006,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 5.0,
     "start_m": 2358.0,
     "end_m": 2363.0,
     "raw_pct": 31.26,
     "reason": "mask-edge+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 2349.0,
     "end_m": 2354.0,
     "raw_pct": 26.93,
     "reason": "mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.189,
   "obstruction_max_height_m": 29.09,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    2347.0,
    2370.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "686aca469eafb5c6deda431acc2396d659a613ab",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:0048c2bbb24ab95e",
   "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-vosges",
   "road_pbf": "block-batch-fr-vosges.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": "sha256:3827be8f439ab5f4"
  },
  "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_E968-N6767_0m5@22LHDVosgesQG-2025-02-21.tif",
   "data/cache/fr/ign-lidarhd_dtm_E968-N6768_0m5@22LHDVosgesQG-2025-02-21.tif",
   "data/cache/fr/ign-lidarhd_dtm_E969-N6767_0m5@22LHDVosgesQG-2025-02-21.tif",
   "data/cache/fr/ign-lidarhd_dtm_E969-N6768_0m5@22LHDVosgesQG-2025-02-21.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6767_0m5@22LHDVosgesQG-2025-02-21.tif"
  ],
  "calculated_at": "2026-09-19T23:05:16+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-vosges.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-vosges",
  "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": [
   "E968-N6767",
   "E968-N6768",
   "E969-N6767",
   "E969-N6768",
   "E970-N6767"
  ],
  "elevation_blocks": [
   "22LHDVosgesQG@2025-02-21"
  ],
  "ign_dalles": [
   "LHD_FXX_0968_6768_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0968_6769_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0969_6768_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0969_6769_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6768_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHDVosgesQG"
  ],
  "ign_editions": [
   "2025-02-21"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0968_6768_MNT_O_0M50_LAMB93_IGN69": "2025-02-21",
   "LHD_FXX_0968_6769_MNT_O_0M50_LAMB93_IGN69": "2025-02-21",
   "LHD_FXX_0969_6768_MNT_O_0M50_LAMB93_IGN69": "2025-02-21",
   "LHD_FXX_0969_6769_MNT_O_0M50_LAMB93_IGN69": "2025-02-21",
   "LHD_FXX_0970_6768_MNT_O_0M50_LAMB93_IGN69": "2025-02-21"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "carriageway": {
   "stations": 173,
   "stations_resolved": 173,
   "width_median_m": 4.75,
   "width_p10_m": 3.5,
   "width_min_m": 1.0,
   "width_max_m": 12.0,
   "bounded_share": 0.324,
   "unbounded_share": 0.676,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.5,
   "window_m": [
    1924.0,
    1949.0
   ],
   "width_at_max25_m": 3.75,
   "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": 173,
    "stations_resolved": 173,
    "width_median_m": 6.5,
    "width_p10_m": 1.25,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.723,
    "unbounded_share": 0.277,
    "confidence_median": 1.0,
    "width_median_bounded_m": 5.5,
    "window_m": [
     1924.0,
     1949.0
    ],
    "width_at_max25_m": 5.0,
    "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": "Rupt-sur-Moselle",
  "county": "Vosges",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}