lasinfo (241210) report for 'NX4461_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:                  244000.000 561000.000 -0.933
  max x y z:                  244999.999 561999.999 44.783
  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: 25591301
  extended number of points by return: 17194953 4916587 2440230 823971 184001 28304 3003 233 18 1 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           244000000  244999999
  Y           561000000  561999999
  Z                -933      44783
  intensity          22      34789
  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   -15         15
  user_data           0          0
  point_source_ID    14         16
  gps_time 434379738.563143 434443107.323862
  extended_return_number          1     10
  extended_number_of_returns      1     10
  extended_classification         1      9
  extended_scan_angle         -2543   2522
  extended_scanner_channel        0      0
number of first returns:        17194953
number of intermediate returns: 3555836
number of last returns:         17057471
number of single returns:       12216959
covered area in square meters/kilometers: 954136/0.95
point density: all returns 26.82 last only 17.88 (per square meter)
      spacing: all returns 0.19 last only 0.24 (in meters)
overview over extended number of returns of given pulse: 12216959 4866238 4897523 2627808 804913 156058 19853 1796 143 10 0 0 0 0 0
histogram of classification of points:
         1207791  unclassified (1)
        10833680  ground (2)
          567801  low vegetation (3)
          747412  medium vegetation (4)
        12023996  high vegetation (5)
           60007  building (6)
          150614  water (9)
