{
 "ocl_version": "0.1.0",
 "name": "Col de l'Aire De\u00ef Masco from Vitrolles-en-Luberon",
 "slug": "col-de-l-aire-dei-masco-from-vitrolles-en-luberon",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 10.574108629475631,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1485.0,
   "end_distance_m": 1487.0,
   "start_elevation_m": 580.5574431073258,
   "end_elevation_m": 580.7689252799153,
   "min_gradient_pct": -8.104554563499278
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 8.315335596751083,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1020.0,
   "end_distance_m": 1023.0,
   "start_elevation_m": 556.0139270337135,
   "end_elevation_m": 556.263387101616,
   "min_gradient_pct": -3.818897941763074
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 7.715673126076581,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1018.0,
   "end_distance_m": 1023.0,
   "start_elevation_m": 555.8776034453122,
   "end_elevation_m": 556.263387101616,
   "min_gradient_pct": -1.2743599216946677
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 7.391582518770292,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1019.0,
   "end_distance_m": 1029.0,
   "start_elevation_m": 555.9411003665634,
   "end_elevation_m": 556.6802586184405,
   "min_gradient_pct": -0.6504693396544781
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 6.755755752059827,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1019.0,
   "end_distance_m": 1039.0,
   "start_elevation_m": 555.9411003665634,
   "end_elevation_m": 557.2922515169754,
   "min_gradient_pct": -0.22849760722806423
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 6.693365080187959,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1018.0,
   "end_distance_m": 1043.0,
   "start_elevation_m": 555.8776034453122,
   "end_elevation_m": 557.5509447153592,
   "min_gradient_pct": -0.020928224704675813
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 6.562260280392593,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1330.0,
   "end_distance_m": 1380.0,
   "start_elevation_m": 572.7383744456898,
   "end_elevation_m": 576.0195045858861,
   "min_gradient_pct": 0.471265645544122
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 6.218776796862926,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1313.0,
   "end_distance_m": 1413.0,
   "start_elevation_m": 571.79390338862,
   "end_elevation_m": 578.012680185483,
   "min_gradient_pct": 1.5768379520947065
  }
 ],
 "shape": {
  "ascent_concentration": 0.287,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 0.0,
  "shape_class": "sustained"
 },
 "length_m": 4030.964685424918,
 "start_elevation_m": 507.2571924316397,
 "end_elevation_m": 696.8355849060015,
 "endpoint_gain_m": 189.5783924743618,
 "overall_gradient_pct": 4.703052675202925,
 "accumulated_ascent_m": 189.97231378237728,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 7.715673126076581,
   "start_distance_m": 1018.0,
   "end_distance_m": 1023.0,
   "midpoint_distance_m": 1020.5,
   "start_elevation_m": 555.8776034453122,
   "end_elevation_m": 556.263387101616,
   "start_xy": [
    909047.7245353268,
    6305462.670478702
   ],
   "end_xy": [
    909043.4685974341,
    6305465.294786735
   ]
  },
  "max_10m": {
   "gradient_pct": 7.391582518770292,
   "start_distance_m": 1019.0,
   "end_distance_m": 1029.0,
   "midpoint_distance_m": 1024.0,
   "start_elevation_m": 555.9411003665634,
   "end_elevation_m": 556.6802586184405,
   "start_xy": [
    909046.8733477483,
    6305463.195340308
   ],
   "end_xy": [
    909037.5723173938,
    6305466.028548227
   ]
  },
  "max_20m": {
   "gradient_pct": 6.755755752059827,
   "start_distance_m": 1019.0,
   "end_distance_m": 1039.0,
   "midpoint_distance_m": 1029.0,
   "start_elevation_m": 555.9411003665634,
   "end_elevation_m": 557.2922515169754,
   "start_xy": [
    909046.8733477483,
    6305463.195340308
   ],
   "end_xy": [
    909028.3894103289,
    6305462.397950183
   ]
  },
  "max_25m": {
   "gradient_pct": 6.693365080187959,
   "start_distance_m": 1018.0,
   "end_distance_m": 1043.0,
   "midpoint_distance_m": 1030.5,
   "start_elevation_m": 555.8776034453122,
   "end_elevation_m": 557.5509447153592,
   "start_xy": [
    909047.7245353268,
    6305462.670478702
   ],
   "end_xy": [
    909025.0899761701,
    6305460.136593459
   ]
  },
  "max_50m": {
   "gradient_pct": 6.562260280392593,
   "start_distance_m": 1330.0,
   "end_distance_m": 1380.0,
   "midpoint_distance_m": 1355.0,
   "start_elevation_m": 572.7383744456898,
   "end_elevation_m": 576.0195045858861,
   "start_xy": [
    908765.9312311744,
    6305495.7115064515
   ],
   "end_xy": [
    908718.8994951099,
    6305512.682534787
   ]
  },
  "max_100m": {
   "gradient_pct": 6.218776796862926,
   "start_distance_m": 1313.0,
   "end_distance_m": 1413.0,
   "midpoint_distance_m": 1363.0,
   "start_elevation_m": 571.79390338862,
   "end_elevation_m": 578.012680185483,
   "start_xy": [
    908781.4931495622,
    6305488.97595502
   ],
   "end_xy": [
    908689.15779509,
    6305526.397672106
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.2743599216946677,
   "start_distance_m": 1480.0,
   "end_distance_m": 1485.0,
   "midpoint_distance_m": 1482.5,
   "start_elevation_m": 580.6211611034105,
   "end_elevation_m": 580.5574431073258,
   "start_xy": [
    908665.5543779435,
    6305587.142806552
   ],
   "end_xy": [
    908664.2282223455,
    6305591.963730875
   ]
  },
  "min_10m": {
   "gradient_pct": -0.6504693396544781,
   "start_distance_m": 2.0,
   "end_distance_m": 12.0,
   "midpoint_distance_m": 7.0,
   "start_elevation_m": 507.2577865561409,
   "end_elevation_m": 507.19273962217545,
   "start_xy": [
    908738.009335931,
    6305075.333039255
   ],
   "end_xy": [
    908740.9260155862,
    6305084.898235531
   ]
  },
  "min_20m": {
   "gradient_pct": -0.22849760722806423,
   "start_distance_m": 1.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 11.0,
   "start_elevation_m": 507.2653164367271,
   "end_elevation_m": 507.2196169152815,
   "start_xy": [
    908737.7176679655,
    6305074.376519628
   ],
   "end_xy": [
    908743.551027276,
    6305093.506912178
   ]
  },
  "min_25m": {
   "gradient_pct": -0.020928224704675813,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 507.2571924316397,
   "end_elevation_m": 507.2519603754635,
   "start_xy": [
    908737.426,
    6305073.42
   ],
   "end_xy": [
    908744.717699138,
    6305097.332990688
   ]
  },
  "min_50m": {
   "gradient_pct": 0.471265645544122,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 507.2571924316397,
   "end_elevation_m": 507.49282525441174,
   "start_xy": [
    908737.426,
    6305073.42
   ],
   "end_xy": [
    908750.3586103208,
    6305121.6435172
   ]
  },
  "min_100m": {
   "gradient_pct": 1.5768379520947065,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 507.2571924316397,
   "end_elevation_m": 508.8340303837344,
   "start_xy": [
    908737.426,
    6305073.42
   ],
   "end_xy": [
    908745.7607146575,
    6305170.965968577
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 10.574108629475631,
   "start_distance_m": 1485.0,
   "end_distance_m": 1487.0,
   "midpoint_distance_m": 1486.0,
   "start_elevation_m": 580.5574431073258,
   "end_elevation_m": 580.7689252799153,
   "start_xy": [
    908664.2282223455,
    6305591.963730875
   ],
   "end_xy": [
    908663.6977601063,
    6305593.892100605
   ]
  },
  "max_3m": {
   "gradient_pct": 8.315335596751083,
   "start_distance_m": 1020.0,
   "end_distance_m": 1023.0,
   "midpoint_distance_m": 1021.5,
   "start_elevation_m": 556.0139270337135,
   "end_elevation_m": 556.263387101616,
   "start_xy": [
    909046.0221601698,
    6305463.720201915
   ],
   "end_xy": [
    909043.4685974341,
    6305465.294786735
   ]
  }
 },
 "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": 0.018,
   "obstruction_max_height_m": 19.03,
   "flagged_windows_m": [
    2
   ]
  },
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "41205ec4649bb0a4093af76ff34281a5d9a13832",
   "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-pr4",
   "road_pbf": "block-batch-fr-pr4.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:ba95a0bf562c86eb"
  },
  "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_E907-N6305_0m5@21LHD7PP-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E907-N6306_0m5@21LHD7PP-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E908-N6305_0m5@21LHD7PP-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E908-N6306_0m5@21LHD7PP-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E909-N6305_0m5@21LHD7PP-2025-04-02.tif"
  ],
  "calculated_at": "2026-09-25T09:31:06+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr4.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pr4",
  "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": [
   "E907-N6305",
   "E907-N6306",
   "E908-N6305",
   "E908-N6306",
   "E909-N6305"
  ],
  "elevation_blocks": [
   "21LHD7PP@2025-04-02"
  ],
  "ign_dalles": [
   "LHD_FXX_0907_6306_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0907_6307_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0908_6306_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0908_6307_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0909_6306_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD7PP"
  ],
  "ign_editions": [
   "2025-04-02"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0907_6306_MNT_O_0M50_LAMB93_IGN69": "2025-04-02",
   "LHD_FXX_0907_6307_MNT_O_0M50_LAMB93_IGN69": "2025-04-02",
   "LHD_FXX_0908_6306_MNT_O_0M50_LAMB93_IGN69": "2025-04-02",
   "LHD_FXX_0908_6307_MNT_O_0M50_LAMB93_IGN69": "2025-04-02",
   "LHD_FXX_0909_6306_MNT_O_0M50_LAMB93_IGN69": "2025-04-02"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": 6,
  "carriageway": {
   "stations": 168,
   "stations_resolved": 168,
   "width_median_m": 6.0,
   "width_p10_m": 4.75,
   "width_min_m": 4.0,
   "width_max_m": 10.25,
   "bounded_share": 0.315,
   "unbounded_share": 0.685,
   "confidence_median": 0.0,
   "width_median_bounded_m": 6.5,
   "window_m": [
    1018.0,
    1043.0
   ],
   "width_at_max25_m": 9.0,
   "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": 168,
    "stations_resolved": 168,
    "width_median_m": 8.12,
    "width_p10_m": 4.6,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.815,
    "unbounded_share": 0.185,
    "confidence_median": 1.0,
    "width_median_bounded_m": 7.75,
    "window_m": [
     1018.0,
     1043.0
    ],
    "width_at_max25_m": 10.75,
    "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": "Vitrolles-en-Luberon",
  "county": "Vaucluse",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}