lasinfo (241210) report for 'NX3463_10PPM_LAZ_Scotland_National_LiDAR.laz'
reporting all LAS header entries:
  file signature:             'LASF'
  file source ID:             0
  global_encoding:            17
  project ID GUID data 1-4:   00000000-0000-0000-0000-000000000000
  version major.minor:        1.4
  system identifier:          'LAStools (c) by rapidlasso GmbH'
  generating software:        'las2las64 (version 250526)'
  file creation day/year:     82/2026
  header size:                375
  offset to point data:       1177
  number var. length records: 2
  point data format:          6
  point data record length:   30
  number of point records:    0
  number of points by return: 0 0 0 0 0
  scale factor x y z:         0.001 0.001 0.001
  offset x y z:               0 0 0
  min x y z:                  234000.000 563000.000 45.658
  max x y z:                  234999.999 563999.999 93.177
  start of waveform data packet record: 0
  start of first extended variable length record: 0
  number of extended_variable length records: 0
  extended number of point records: 23276683
  extended number of points by return: 18169009 3547897 1178130 309878 61909 8853 935 68 4 0 0 0 0 0 0
variable length header record 1 of 2:
  reserved             0
  user ID              'LASF_Projection'
  record ID            34735
  length after header  40
  description          'by LAStools of rapidlasso GmbH'
    GeoKeyDirectoryTag version 1.1.0 number of keys 4
      key 1024 tiff_tag_location 0 count 1 value_offset 1 - GTModelTypeGeoKey: ModelTypeProjected
      key 3072 tiff_tag_location 0 count 1 value_offset 27700 - ProjectedCSTypeGeoKey: OSGB 1936 / British National Grid
      key 3076 tiff_tag_location 0 count 1 value_offset 9001 - ProjLinearUnitsGeoKey: Linear_Meter
      key 4099 tiff_tag_location 0 count 1 value_offset 9001 - VerticalUnitsGeoKey: Linear_Meter
variable length header record 2 of 2:
  reserved             0
  user ID              'LASF_Projection'
  record ID            2112
  length after header  654
  description          'by LAStools of rapidlasso GmbH'
    WKT OGC COORDINATE SYSTEM:
    PROJCS["OSGB36 / British National Grid",GEOGCS["OSGB36",DATUM["Ordnance_Survey_of_Great_Britain_1936",SPHEROID["Airy 1830",6377563.396,299.3249646,AUTHORITY["EPSG","7001"]],AUTHORITY["EPSG","6277"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4277"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",49],PARAMETER["central_meridian",-2],PARAMETER["scale_factor",0.9996012717],PARAMETER["false_easting",400000],PARAMETER["false_northing",-100000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27700"]]
LASzip compression (version 3.4r4 c3 50000): POINT14 3
reporting minimum and maximum for all LAS point record entries ...
  X           234000000  234999999
  Y           563000000  563999999
  Z               45658      93177
  intensity          21      64864
  return_number       1          7
  number_of_returns   1          7
  edge_of_flight_line 0          0
  scan_direction_flag 0          1
  classification      1          9
  scan_angle_rank    -6         15
  user_data           0          0
  point_source_ID    17         18
  gps_time 434443690.454417 434445136.809447
  extended_return_number          1      9
  extended_number_of_returns      1      9
  extended_classification         1      9
  extended_scan_angle          -928   2519
  extended_scanner_channel        0      0
number of first returns:        18169009
number of intermediate returns: 1596080
number of last returns:         18095137
number of single returns:       14583543
covered area in square meters/kilometers: 980920/0.98
point density: all returns 23.73 last only 18.45 (per square meter)
      spacing: all returns 0.21 last only 0.23 (in meters)
overview over extended number of returns of given pulse: 14583543 4724226 2624930 1013353 273987 49739 6301 570 34 0 0 0 0 0 0
histogram of classification of points:
         1597749  unclassified (1)
        10618691  ground (2)
         1389113  low vegetation (3)
         1727739  medium vegetation (4)
         7906029  high vegetation (5)
           33587  building (6)
            3775  water (9)
