{
 "ocl_version": "0.1.0",
 "name": "Route du Ch\u00e2teau",
 "slug": "route-du-chateau-3",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 56.061773859602226,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 769.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 446.4196132278621,
   "end_elevation_m": 447.54084870505415,
   "min_gradient_pct": -16.83596497165354
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 45.64474391196048,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 768.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 446.17150638769533,
   "end_elevation_m": 447.54084870505415,
   "min_gradient_pct": -7.166582287457383
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 36.78971104389916,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 759.0,
   "end_distance_m": 764.0,
   "start_elevation_m": 443.51472224401994,
   "end_elevation_m": 445.3542077962149,
   "min_gradient_pct": -4.331355334414866
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 33.89666807936976,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 761.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 444.15118189711717,
   "end_elevation_m": 447.54084870505415,
   "min_gradient_pct": 1.0535464801347416
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 31.51881891334682,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 751.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 441.2370849223848,
   "end_elevation_m": 447.54084870505415,
   "min_gradient_pct": 1.4556435539893187
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 29.979261198243194,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 746.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 440.04603340549335,
   "end_elevation_m": 447.54084870505415,
   "min_gradient_pct": 1.4963288759659008
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 25.097426209616174,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 741.0,
   "end_distance_m": 791.0,
   "start_elevation_m": 438.98014854971984,
   "end_elevation_m": 451.52886165452793,
   "min_gradient_pct": 1.7706137631266756
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.449620271548103,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 699.0,
   "end_distance_m": 799.0,
   "start_elevation_m": 431.3612835928517,
   "end_elevation_m": 452.8109038643998,
   "min_gradient_pct": 2.4689238430021874
  }
 ],
 "shape": {
  "ascent_concentration": 0.595,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 155.0,
  "shape_class": "stepped"
 },
 "length_m": 997.0000000002257,
 "start_elevation_m": 404.06826625365534,
 "end_elevation_m": 481.51342666056354,
 "endpoint_gain_m": 77.4451604069082,
 "overall_gradient_pct": 7.7678194991866265,
 "accumulated_ascent_m": 78.73531592070896,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 36.78971104389916,
   "start_distance_m": 759.0,
   "end_distance_m": 764.0,
   "midpoint_distance_m": 761.5,
   "start_elevation_m": 443.51472224401994,
   "end_elevation_m": 445.3542077962149,
   "start_xy": [
    981187.1575958164,
    6703701.14887009
   ],
   "end_xy": [
    981185.8784113808,
    6703705.982458489
   ]
  },
  "max_10m": {
   "gradient_pct": 33.89666807936976,
   "start_distance_m": 761.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 766.0,
   "start_elevation_m": 444.15118189711717,
   "end_elevation_m": 447.54084870505415,
   "start_xy": [
    981186.6447903371,
    6703703.081999336
   ],
   "end_xy": [
    981184.0901938163,
    6703712.750196512
   ]
  },
  "max_20m": {
   "gradient_pct": 31.51881891334682,
   "start_distance_m": 751.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 761.0,
   "start_elevation_m": 441.2370849223848,
   "end_elevation_m": 447.54084870505415,
   "start_xy": [
    981189.2915274412,
    6703693.438725096
   ],
   "end_xy": [
    981184.0901938163,
    6703712.750196512
   ]
  },
  "max_25m": {
   "gradient_pct": 29.979261198243194,
   "start_distance_m": 746.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 758.5,
   "start_elevation_m": 440.04603340549335,
   "end_elevation_m": 447.54084870505415,
   "start_xy": [
    981190.6252347067,
    6703688.619884475
   ],
   "end_xy": [
    981184.0901938163,
    6703712.750196512
   ]
  },
  "max_50m": {
   "gradient_pct": 25.097426209616174,
   "start_distance_m": 741.0,
   "end_distance_m": 791.0,
   "midpoint_distance_m": 766.0,
   "start_elevation_m": 438.98014854971984,
   "end_elevation_m": 451.52886165452793,
   "start_xy": [
    981192.1919580863,
    6703683.8762413
   ],
   "end_xy": [
    981180.2598954177,
    6703732.354052405
   ]
  },
  "max_100m": {
   "gradient_pct": 21.449620271548103,
   "start_distance_m": 699.0,
   "end_distance_m": 799.0,
   "midpoint_distance_m": 749.0,
   "start_elevation_m": 431.3612835928517,
   "end_elevation_m": 452.8109038643998,
   "start_xy": [
    981214.5552465228,
    6703648.847439424
   ],
   "end_xy": [
    981179.1276146773,
    6703740.271134942
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.331355334414866,
   "start_distance_m": 988.0,
   "end_distance_m": 993.0,
   "midpoint_distance_m": 990.5,
   "start_elevation_m": 481.462482372696,
   "end_elevation_m": 481.24591460597526,
   "start_xy": [
    981155.0816909511,
    6703926.852500311
   ],
   "end_xy": [
    981155.4492547314,
    6703931.838971695
   ]
  },
  "min_10m": {
   "gradient_pct": 1.0535464801347416,
   "start_distance_m": 465.0,
   "end_distance_m": 475.0,
   "midpoint_distance_m": 470.0,
   "start_elevation_m": 418.2242545807706,
   "end_elevation_m": 418.3296092287841,
   "start_xy": [
    981371.5345350123,
    6703769.433285931
   ],
   "end_xy": [
    981369.7444644131,
    6703759.594808038
   ]
  },
  "min_20m": {
   "gradient_pct": 1.4556435539893187,
   "start_distance_m": 465.0,
   "end_distance_m": 485.0,
   "midpoint_distance_m": 475.0,
   "start_elevation_m": 418.2242545807706,
   "end_elevation_m": 418.51538329156847,
   "start_xy": [
    981371.5345350123,
    6703769.433285931
   ],
   "end_xy": [
    981367.954393814,
    6703749.7563301455
   ]
  },
  "min_25m": {
   "gradient_pct": 1.4963288759659008,
   "start_distance_m": 465.0,
   "end_distance_m": 490.0,
   "midpoint_distance_m": 477.5,
   "start_elevation_m": 418.2242545807706,
   "end_elevation_m": 418.5983367997621,
   "start_xy": [
    981371.5345350123,
    6703769.433285931
   ],
   "end_xy": [
    981367.0593585144,
    6703744.837091199
   ]
  },
  "min_50m": {
   "gradient_pct": 1.7706137631266756,
   "start_distance_m": 463.0,
   "end_distance_m": 513.0,
   "midpoint_distance_m": 488.0,
   "start_elevation_m": 418.1750149847842,
   "end_elevation_m": 419.0603218663475,
   "start_xy": [
    981371.1099301154,
    6703771.0746764345
   ],
   "end_xy": [
    981360.2082943663,
    6703723.023087277
   ]
  },
  "min_100m": {
   "gradient_pct": 2.4689238430021874,
   "start_distance_m": 86.0,
   "end_distance_m": 186.0,
   "midpoint_distance_m": 136.0,
   "start_elevation_m": 406.47457013670663,
   "end_elevation_m": 408.9434939797088,
   "start_xy": [
    981359.0170420541,
    6704138.313763579
   ],
   "end_xy": [
    981371.2225066633,
    6704039.09616576
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 56.061773859602226,
   "start_distance_m": 769.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 770.0,
   "start_elevation_m": 446.4196132278621,
   "end_elevation_m": 447.54084870505415,
   "start_xy": [
    981184.6011131204,
    6703710.816557077
   ],
   "end_xy": [
    981184.0901938163,
    6703712.750196512
   ]
  },
  "max_3m": {
   "gradient_pct": 45.64474391196048,
   "start_distance_m": 768.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 769.5,
   "start_elevation_m": 446.17150638769533,
   "end_elevation_m": 447.54084870505415,
   "start_xy": [
    981184.8565727725,
    6703709.849737359
   ],
   "end_xy": [
    981184.0901938163,
    6703712.750196512
   ]
  }
 },
 "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": 0.091,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.295,
   "obstruction_max_height_m": 30.98,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    850.0,
    940.0
   ]
  ],
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "c4fd6b4a89a9718922c7ed8acdf14e43dcf75a33",
   "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-ju4",
   "road_pbf": "block-batch-fr-ju4.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:f64c37d4329daafb"
  },
  "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_E981-N6703_0m5@22LHD2QH2-2025-05-22.tif",
   "data/cache/fr/ign-lidarhd_dtm_E981-N6704_0m5@22LHD2QH2-2025-05-22.tif"
  ],
  "calculated_at": "2026-09-24T14:21:47+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-ju4.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-ju4",
  "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": [
   "E981-N6703",
   "E981-N6704"
  ],
  "elevation_blocks": [
   "22LHD2QH2@2025-05-22"
  ],
  "ign_dalles": [
   "LHD_FXX_0981_6704_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0981_6705_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD2QH2"
  ],
  "ign_editions": [
   "2025-05-22"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0981_6704_MNT_O_0M50_LAMB93_IGN69": "2025-05-22",
   "LHD_FXX_0981_6705_MNT_O_0M50_LAMB93_IGN69": "2025-05-22"
  },
  "route_summit_trim_m": 166.0,
  "route_summit_trim_loss_m": 4.1,
  "climb_origin": "discovered",
  "structure_own_ways": 4,
  "carriageway": {
   "stations": 46,
   "stations_resolved": 46,
   "width_median_m": 7.75,
   "width_p10_m": 2.62,
   "width_min_m": 2.25,
   "width_max_m": 11.25,
   "bounded_share": 0.13,
   "unbounded_share": 0.87,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.88,
   "window_m": [
    746.0,
    771.0
   ],
   "width_at_max25_m": 3.0,
   "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": 46,
    "stations_resolved": 46,
    "width_median_m": 9.12,
    "width_p10_m": 1.12,
    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.5,
    "unbounded_share": 0.5,
    "confidence_median": 0.474,
    "width_median_bounded_m": 2.5,
    "window_m": [
     746.0,
     771.0
    ],
    "width_at_max25_m": 1.25,
    "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": "Neuch\u00e2tel-Urti\u00e8re",
  "county": "Doubs",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}