{
 "ocl_version": "0.1.0",
 "name": "Impasse Galiay",
 "slug": "impasse-galiay",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 36.38718142968287,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 4.0,
   "end_distance_m": 6.0,
   "start_elevation_m": 559.7377817940072,
   "end_elevation_m": 560.4655254226009,
   "min_gradient_pct": 0.9580071549009972,
   "suppressed_max_gradient_pct": 59.61247857583771,
   "suppressed_location_m": [
    25.0,
    27.0
   ],
   "suppressed_min_gradient_pct": -30.60817916402243,
   "suppressed_min_location_m": [
    18.0,
    20.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.395484512497355,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 4.0,
   "end_distance_m": 7.0,
   "start_elevation_m": 559.7377817940072,
   "end_elevation_m": 560.7396463293821,
   "min_gradient_pct": 1.330336481013698,
   "suppressed_max_gradient_pct": 53.55140988530896,
   "suppressed_location_m": [
    25.0,
    28.0
   ],
   "suppressed_min_gradient_pct": -17.96281449807869,
   "suppressed_min_location_m": [
    18.0,
    21.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.441652504956437,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 3.0,
   "end_distance_m": 8.0,
   "start_elevation_m": 559.5768469157147,
   "end_elevation_m": 561.0489295409625,
   "min_gradient_pct": 2.122198506699533,
   "suppressed_max_gradient_pct": 38.795141178097765,
   "suppressed_location_m": [
    23.0,
    28.0
   ],
   "suppressed_min_gradient_pct": -2.6086021747209998,
   "suppressed_min_location_m": [
    16.0,
    21.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.190794243889968,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded"
   ],
   "start_distance_m": 334.0,
   "end_distance_m": 344.0,
   "start_elevation_m": 602.9311774355695,
   "end_elevation_m": 605.3502568599584,
   "min_gradient_pct": 2.37388352536982,
   "suppressed_max_gradient_pct": 28.396249190997196,
   "suppressed_location_m": [
    21.0,
    31.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.301256220684763,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 175.0,
   "end_distance_m": 195.0,
   "start_elevation_m": 588.460013791045,
   "end_elevation_m": 592.7202650351819,
   "min_gradient_pct": 2.6505317434248354,
   "suppressed_max_gradient_pct": 22.599108653383837,
   "suppressed_location_m": [
    21.0,
    41.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.766973628224605,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 170.0,
   "end_distance_m": 195.0,
   "start_elevation_m": 587.5285216281258,
   "end_elevation_m": 592.7202650351819,
   "min_gradient_pct": 3.167067850028161,
   "suppressed_max_gradient_pct": 21.354176699046093,
   "suppressed_location_m": [
    20.0,
    45.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.32277723235893,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 160.0,
   "end_distance_m": 210.0,
   "start_elevation_m": 586.0071669687795,
   "end_elevation_m": 595.168555584959,
   "min_gradient_pct": 4.1115778137116195,
   "suppressed_max_gradient_pct": 20.1377275689797,
   "suppressed_location_m": [
    21.0,
    71.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.213871632999144,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 107.0,
   "end_distance_m": 207.0,
   "start_elevation_m": 577.5269523990811,
   "end_elevation_m": 594.7408240320802,
   "min_gradient_pct": 4.741615626419616,
   "suppressed_max_gradient_pct": 17.656301230231975,
   "suppressed_location_m": [
    21.0,
    121.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.342,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 207.0,
  "shape_class": "sustained"
 },
 "length_m": 355.75887702159656,
 "start_elevation_m": 559.5369368212843,
 "end_elevation_m": 607.0178431318609,
 "endpoint_gain_m": 47.48090631057664,
 "overall_gradient_pct": 13.346372888312859,
 "accumulated_ascent_m": 48.14609124604124,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.441652504956437,
   "start_distance_m": 3.0,
   "end_distance_m": 8.0,
   "midpoint_distance_m": 5.5,
   "start_elevation_m": 559.5768469157147,
   "end_elevation_m": 561.0489295409625,
   "start_xy": [
    461613.6881314801,
    6223319.045274444
   ],
   "end_xy": [
    461609.03610474936,
    6223317.65711441
   ]
  },
  "max_10m": {
   "gradient_pct": 24.190794243889968,
   "start_distance_m": 334.0,
   "end_distance_m": 344.0,
   "midpoint_distance_m": 339.0,
   "start_elevation_m": 602.9311774355695,
   "end_elevation_m": 605.3502568599584,
   "start_xy": [
    461413.927110776,
    6223202.597479602
   ],
   "end_xy": [
    461409.6996391328,
    6223211.576208217
   ]
  },
  "max_20m": {
   "gradient_pct": 21.301256220684763,
   "start_distance_m": 175.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 185.0,
   "start_elevation_m": 588.460013791045,
   "end_elevation_m": 592.7202650351819,
   "start_xy": [
    461537.7003858815,
    6223166.8173461985
   ],
   "end_xy": [
    461527.2455309841,
    6223149.777471069
   ]
  },
  "max_25m": {
   "gradient_pct": 20.766973628224605,
   "start_distance_m": 170.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 182.5,
   "start_elevation_m": 587.5285216281258,
   "end_elevation_m": 592.7202650351819,
   "start_xy": [
    461540.27499817184,
    6223171.096930909
   ],
   "end_xy": [
    461527.2455309841,
    6223149.777471069
   ]
  },
  "max_50m": {
   "gradient_pct": 18.32277723235893,
   "start_distance_m": 160.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 185.0,
   "start_elevation_m": 586.0071669687795,
   "end_elevation_m": 595.168555584959,
   "start_xy": [
    461544.6795951791,
    6223180.074654741
   ],
   "end_xy": [
    461515.11072132504,
    6223142.038586862
   ]
  },
  "max_100m": {
   "gradient_pct": 17.213871632999144,
   "start_distance_m": 107.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 157.0,
   "start_elevation_m": 577.5269523990811,
   "end_elevation_m": 594.7408240320802,
   "start_xy": [
    461567.05664907227,
    6223228.109983703
   ],
   "end_xy": [
    461518.0767455168,
    6223142.488809578
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.122198506699533,
   "start_distance_m": 227.0,
   "end_distance_m": 232.0,
   "midpoint_distance_m": 229.5,
   "start_elevation_m": 596.7967377751901,
   "end_elevation_m": 596.9028477005251,
   "start_xy": [
    461498.2223918489,
    6223141.964705806
   ],
   "end_xy": [
    461493.2406088403,
    6223142.391130541
   ]
  },
  "min_10m": {
   "gradient_pct": 2.37388352536982,
   "start_distance_m": 227.0,
   "end_distance_m": 237.0,
   "midpoint_distance_m": 232.0,
   "start_elevation_m": 596.7967377751901,
   "end_elevation_m": 597.0341261277271,
   "start_xy": [
    461498.2223918489,
    6223141.964705806
   ],
   "end_xy": [
    461488.65240392264,
    6223144.298344153
   ]
  },
  "min_20m": {
   "gradient_pct": 2.6505317434248354,
   "start_distance_m": 225.0,
   "end_distance_m": 245.0,
   "midpoint_distance_m": 235.0,
   "start_elevation_m": 596.7183341792686,
   "end_elevation_m": 597.2484405279536,
   "start_xy": [
    461500.21510505234,
    6223141.794135911
   ],
   "end_xy": [
    461481.39467428013,
    6223147.663661439
   ]
  },
  "min_25m": {
   "gradient_pct": 3.167067850028161,
   "start_distance_m": 226.0,
   "end_distance_m": 251.0,
   "midpoint_distance_m": 238.5,
   "start_elevation_m": 596.755017586953,
   "end_elevation_m": 597.5467845494601,
   "start_xy": [
    461499.2187484506,
    6223141.879420859
   ],
   "end_xy": [
    461475.9513770482,
    6223150.187649404
   ]
  },
  "min_50m": {
   "gradient_pct": 4.1115778137116195,
   "start_distance_m": 227.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 252.0,
   "start_elevation_m": 596.7967377751901,
   "end_elevation_m": 598.8525266820459,
   "start_xy": [
    461498.2223918489,
    6223141.964705806
   ],
   "end_xy": [
    461453.437006546,
    6223162.927098234
   ]
  },
  "min_100m": {
   "gradient_pct": 4.741615626419616,
   "start_distance_m": 222.0,
   "end_distance_m": 322.0,
   "midpoint_distance_m": 272.0,
   "start_elevation_m": 596.5240967239044,
   "end_elevation_m": 601.2657123503241,
   "start_xy": [
    461503.2041748575,
    6223141.53828107
   ],
   "end_xy": [
    461419.8696804456,
    6223192.674235524
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 36.38718142968287,
   "start_distance_m": 4.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 559.7377817940072,
   "end_elevation_m": 560.4655254226009,
   "start_xy": [
    461612.7108419735,
    6223318.833365926
   ],
   "end_xy": [
    461610.7562629602,
    6223318.409548889
   ]
  },
  "max_3m": {
   "gradient_pct": 33.395484512497355,
   "start_distance_m": 4.0,
   "end_distance_m": 7.0,
   "midpoint_distance_m": 5.5,
   "start_elevation_m": 559.7377817940072,
   "end_elevation_m": 560.7396463293821,
   "start_xy": [
    461612.7108419735,
    6223318.833365926
   ],
   "end_xy": [
    461609.7789734536,
    6223318.19764037
   ]
  }
 },
 "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": 0.017,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.143,
   "windows_resited": [
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0
   ],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.535,
   "obstruction_max_height_m": 30.93,
   "flagged_windows_m": [
    2,
    3,
    5,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    20.0,
    70.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "06fa4c370391597f015858e97dcf01ca2f5b3640",
   "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-pyr2",
   "road_pbf": "block-batch-fr-pyr2.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:c54ac68b3f57b41b"
  },
  "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_E461-N6223_0m5@21LHD1GR1-2025-04-03.tif"
  ],
  "calculated_at": "2026-09-20T07:06:02+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr2.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pyr2",
  "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": [
   "E461-N6223"
  ],
  "elevation_blocks": [
   "21LHD1GR1@2025-04-03"
  ],
  "ign_dalles": [
   "LHD_FXX_0461_6224_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD1GR1"
  ],
  "ign_editions": [
   "2025-04-03"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0461_6224_MNT_O_0M50_LAMB93_IGN69": "2025-04-03"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 2,
  "carriageway": {
   "stations": 20,
   "stations_resolved": 20,
   "width_median_m": 3.38,
   "width_p10_m": 2.5,
   "width_min_m": 1.0,
   "width_max_m": 8.25,
   "bounded_share": 0.8,
   "unbounded_share": 0.2,
   "confidence_median": 0.754,
   "width_median_bounded_m": 3.5,
   "window_m": [
    170.0,
    195.0
   ],
   "width_at_max25_m": 3.5,
   "window_stations": 6,
   "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": 20,
    "stations_resolved": 20,
    "width_median_m": 2.25,
    "width_p10_m": 0.5,
    "width_min_m": 0.5,
    "width_max_m": 8.0,
    "bounded_share": 1.0,
    "unbounded_share": 0.0,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.25,
    "window_m": [
     170.0,
     195.0
    ],
    "width_at_max25_m": 1.5,
    "window_stations": 6,
    "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": "Neuilh",
  "county": "Hautes-Pyr\u00e9n\u00e9es",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}