{
 "ocl_version": "0.1.0",
 "name": "Aghja",
 "slug": "aghja",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 38.0627662920034,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 627.0,
   "end_distance_m": 629.0,
   "start_elevation_m": 473.62356212596984,
   "end_elevation_m": 474.3848174518099,
   "min_gradient_pct": -1.8085960371877263
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.46761260612334,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 626.0,
   "end_distance_m": 629.0,
   "start_elevation_m": 473.5007890736262,
   "end_elevation_m": 474.3848174518099,
   "min_gradient_pct": -1.3805511599533322
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.98400087791515,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 441.0,
   "end_distance_m": 446.0,
   "start_elevation_m": 454.92644661486196,
   "end_elevation_m": 456.1256466587577,
   "min_gradient_pct": 0.457754955676819
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.549046952172148,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 441.0,
   "end_distance_m": 451.0,
   "start_elevation_m": 454.92644661486196,
   "end_elevation_m": 457.2813513100792,
   "min_gradient_pct": 1.1884847119654296
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.73910265348377,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 434.0,
   "end_distance_m": 454.0,
   "start_elevation_m": 453.4244336827113,
   "end_elevation_m": 457.97225421340806,
   "min_gradient_pct": 1.2475106313718243
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.976984973681283,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 434.0,
   "end_distance_m": 459.0,
   "start_elevation_m": 453.4244336827113,
   "end_elevation_m": 458.91867992613163,
   "min_gradient_pct": 1.6326715049490303
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.881183445611214,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 424.0,
   "end_distance_m": 474.0,
   "start_elevation_m": 451.60225282170353,
   "end_elevation_m": 462.04284454450914,
   "min_gradient_pct": 3.3880555247400252
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.793212711159242,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 373.0,
   "end_distance_m": 473.0,
   "start_elevation_m": 443.0729123197207,
   "end_elevation_m": 461.8661250308799,
   "min_gradient_pct": 7.310154143236161
  }
 ],
 "shape": {
  "ascent_concentration": 0.392,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 181.0,
  "shape_class": "sustained"
 },
 "length_m": 671.5824081270572,
 "start_elevation_m": 402.23500562941103,
 "end_elevation_m": 480.39701148871046,
 "endpoint_gain_m": 78.16200585929943,
 "overall_gradient_pct": 11.638483217164898,
 "accumulated_ascent_m": 78.2263909326769,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.98400087791515,
   "start_distance_m": 441.0,
   "end_distance_m": 446.0,
   "midpoint_distance_m": 443.5,
   "start_elevation_m": 454.92644661486196,
   "end_elevation_m": 456.1256466587577,
   "start_xy": [
    1202973.9901117042,
    6173556.170543346
   ],
   "end_xy": [
    1202972.2956995147,
    6173560.87468698
   ]
  },
  "max_10m": {
   "gradient_pct": 23.549046952172148,
   "start_distance_m": 441.0,
   "end_distance_m": 451.0,
   "midpoint_distance_m": 446.0,
   "start_elevation_m": 454.92644661486196,
   "end_elevation_m": 457.2813513100792,
   "start_xy": [
    1202973.9901117042,
    6173556.170543346
   ],
   "end_xy": [
    1202970.6012873251,
    6173565.578830614
   ]
  },
  "max_20m": {
   "gradient_pct": 22.73910265348377,
   "start_distance_m": 434.0,
   "end_distance_m": 454.0,
   "midpoint_distance_m": 444.0,
   "start_elevation_m": 453.4244336827113,
   "end_elevation_m": 457.97225421340806,
   "start_xy": [
    1202976.3622887696,
    6173549.584742257
   ],
   "end_xy": [
    1202969.5846400114,
    6173568.401316795
   ]
  },
  "max_25m": {
   "gradient_pct": 21.976984973681283,
   "start_distance_m": 434.0,
   "end_distance_m": 459.0,
   "midpoint_distance_m": 446.5,
   "start_elevation_m": 453.4244336827113,
   "end_elevation_m": 458.91867992613163,
   "start_xy": [
    1202976.3622887696,
    6173549.584742257
   ],
   "end_xy": [
    1202967.890227822,
    6173573.105460429
   ]
  },
  "max_50m": {
   "gradient_pct": 20.881183445611214,
   "start_distance_m": 424.0,
   "end_distance_m": 474.0,
   "midpoint_distance_m": 449.0,
   "start_elevation_m": 451.60225282170353,
   "end_elevation_m": 462.04284454450914,
   "start_xy": [
    1202978.1230349275,
    6173539.781142406
   ],
   "end_xy": [
    1202962.806991253,
    6173587.217891332
   ]
  },
  "max_100m": {
   "gradient_pct": 18.793212711159242,
   "start_distance_m": 373.0,
   "end_distance_m": 473.0,
   "midpoint_distance_m": 423.0,
   "start_elevation_m": 443.0729123197207,
   "end_elevation_m": 461.8661250308799,
   "start_xy": [
    1202998.1891193204,
    6173498.558669587
   ],
   "end_xy": [
    1202963.145873691,
    6173586.277062604
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.457754955676819,
   "start_distance_m": 493.0,
   "end_distance_m": 498.0,
   "midpoint_distance_m": 495.5,
   "start_elevation_m": 464.98337742036074,
   "end_elevation_m": 465.0062651681446,
   "start_xy": [
    1202958.6821228836,
    6173605.733048998
   ],
   "end_xy": [
    1202957.187547066,
    6173609.2700198
   ]
  },
  "min_10m": {
   "gradient_pct": 1.1884847119654296,
   "start_distance_m": 499.0,
   "end_distance_m": 509.0,
   "midpoint_distance_m": 504.0,
   "start_elevation_m": 465.08332769645494,
   "end_elevation_m": 465.2021761676515,
   "start_xy": [
    1202956.3824127312,
    6173608.6769273095
   ],
   "end_xy": [
    1202954.741926931,
    6173599.145721881
   ]
  },
  "min_20m": {
   "gradient_pct": 1.2475106313718243,
   "start_distance_m": 494.0,
   "end_distance_m": 514.0,
   "midpoint_distance_m": 504.0,
   "start_elevation_m": 465.03265985507596,
   "end_elevation_m": 465.2821619813503,
   "start_xy": [
    1202958.4898421196,
    6173606.714388953
   ],
   "end_xy": [
    1202954.7788922933,
    6173594.145858526
   ]
  },
  "min_25m": {
   "gradient_pct": 1.6326715049490303,
   "start_distance_m": 493.0,
   "end_distance_m": 518.0,
   "midpoint_distance_m": 505.5,
   "start_elevation_m": 464.98337742036074,
   "end_elevation_m": 465.391545296598,
   "start_xy": [
    1202958.6821228836,
    6173605.733048998
   ],
   "end_xy": [
    1202954.808464583,
    6173590.145967843
   ]
  },
  "min_50m": {
   "gradient_pct": 3.3880555247400252,
   "start_distance_m": 491.0,
   "end_distance_m": 541.0,
   "midpoint_distance_m": 516.0,
   "start_elevation_m": 464.8729986357534,
   "end_elevation_m": 466.5670263981234,
   "start_xy": [
    1202959.0666844114,
    6173603.770369087
   ],
   "end_xy": [
    1202955.386311599,
    6173567.153372434
   ]
  },
  "min_100m": {
   "gradient_pct": 7.310154143236161,
   "start_distance_m": 491.0,
   "end_distance_m": 591.0,
   "midpoint_distance_m": 541.0,
   "start_elevation_m": 464.8729986357534,
   "end_elevation_m": 472.18315277898955,
   "start_xy": [
    1202959.0666844114,
    6173603.770369087
   ],
   "end_xy": [
    1202924.4157342254,
    6173529.770913086
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 38.0627662920034,
   "start_distance_m": 627.0,
   "end_distance_m": 629.0,
   "midpoint_distance_m": 628.0,
   "start_elevation_m": 473.62356212596984,
   "end_elevation_m": 474.3848174518099,
   "start_xy": [
    1202899.7431185008,
    6173510.99515567
   ],
   "end_xy": [
    1202900.548506623,
    6173512.720851471
   ]
  },
  "max_3m": {
   "gradient_pct": 29.46761260612334,
   "start_distance_m": 626.0,
   "end_distance_m": 629.0,
   "midpoint_distance_m": 627.5,
   "start_elevation_m": 473.5007890736262,
   "end_elevation_m": 474.3848174518099,
   "start_xy": [
    1202899.6740348085,
    6173509.997544802
   ],
   "end_xy": [
    1202900.548506623,
    6173512.720851471
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.086,
   "obstruction_max_height_m": 10.33,
   "flagged_windows_m": [
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "33abfff569d4360542e616d0d42c1b94d0a711fa",
   "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-co2",
   "road_pbf": "block-batch-fr-co2.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": "sha256:2a717d675f2607cc"
  },
  "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_E1202-N6173_0m5@21LHDCorseVS-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1203-N6173_0m5@21LHDCorseVS-2025-04-02.tif"
  ],
  "calculated_at": "2026-09-25T00:44:42+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-co2.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-co2",
  "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": [
   "E1202-N6173",
   "E1203-N6173"
  ],
  "elevation_blocks": [
   "21LHDCorseVS@2025-04-02"
  ],
  "ign_dalles": [
   "LHD_FXX_1202_6174_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1203_6174_MNT_O_0M50_LAMB93_IGN78"
  ],
  "ign_missions": [
   "21LHDCorseVS"
  ],
  "ign_editions": [
   "2025-04-02"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_1202_6174_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1203_6174_MNT_O_0M50_LAMB93_IGN78": "2025-04-02"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 3,
  "carriageway": {
   "stations": 33,
   "stations_resolved": 33,
   "width_median_m": 4.5,
   "width_p10_m": 3.0,
   "width_min_m": 2.25,
   "width_max_m": 10.25,
   "bounded_share": 0.606,
   "unbounded_share": 0.394,
   "confidence_median": 0.643,
   "width_median_bounded_m": 4.25,
   "window_m": [
    434.0,
    459.0
   ],
   "width_at_max25_m": 3.0,
   "window_stations": 7,
   "single_track": true,
   "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": 33,
    "stations_resolved": 33,
    "width_median_m": 4.0,
    "width_p10_m": 1.05,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.879,
    "unbounded_share": 0.121,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.0,
    "window_m": [
     434.0,
     459.0
    ],
    "width_at_max25_m": 3.25,
    "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": "Moltifao",
  "county": "Haute-Corse",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}