lasinfo (260326) report for '19CZ1.laz'
reporting all LAS header entries:
  file signature:             'LASF'
  file source ID:             49
  global_encoding:            17
  project ID GUID data 1-4:   00002026-1011-0000-0000-000000000000
  version major.minor:        1.4
  system identifier:          'VQ 1560II-S'
  generating software:        'TerraScan 25.021'
  file creation day/year:     50/2026
  header size:                375
  offset to point data:       2332
  number var. length records: 2
  point data format:          6
  point data record length:   36
  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:                  100000.000 500000.000 -1.660
  max x y z:                  102035.805 506249.999 45.587
  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: 196862356
  extended number of points by return: 190645661 5311128 750428 130532 21434 2874 277 22 0 0 0 0 0 0 0
variable length header record 1 of 2:
  reserved             0
  user ID              'LASF_Spec'
  record ID            4
  length after header  576
  description          'RIEGL Extra Bytes'
    Extra Byte Descriptions
      data type: 3 (unsigned short), name "Amplitude", description: "Echo signal amplitude [dB]", min:, 0, max:, 10000, scale: 0.01, offset: 0 (not set)
      data type: 4 (short), name "Reflectance", description: "Echo signal reflectance [dB]", min:, -5000, max:, 15000, scale: 0.01, offset: 0 (not set)
      data type: 3 (unsigned short), name "Deviation", description: "Pulse shape deviation", min:, 0, max:, 65535, scale: 1 (not set), offset: 0 (not set)
variable length header record 2 of 2:
  reserved             0
  user ID              'LASF_Projection'
  record ID            2112
  length after header  1271
  description          'OGC Transformation Record'
    WKT OGC COORDINATE SYSTEM:
    COMPOUNDCRS["Amersfoort / RD New + NAP height",PROJCRS["Amersfoort / RD New",BASEGEOGCRS["Amersfoort",DATUM["Amersfoort",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4289]],CONVERSION["RD New",METHOD["Oblique Stereographic",ID["EPSG",9809]],PARAMETER["Latitude of natural origin",52.1561605555556,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",5.38763888888889,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9999079,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",155000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",463000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["easting (X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing (Y)",north,ORDER[2],LENGTHUNIT["metre",1]]],VERTCRS["NAP height",VDATUM["Normaal Amsterdams Peil"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone."],BBOX[50.75,3.2,53.7,7.22]],ID["EPSG",7415]]
the header is followed by 2 user-defined bytes
LASzip compression (version 3.5r0 c3 50000): POINT14 3 BYTE14 3
reporting minimum and maximum for all LAS point record entries ...
  X           100000000  102035805
  Y           500000000  506249999
  Z               -1660      45587
  intensity       10201      65535
  return_number       0          7
  number_of_returns   1          7
  edge_of_flight_line 0          1
  scan_direction_flag 0          1
  classification      1          9
  scan_angle    -30.048     31.584
  user_data           0          1
  point_source_ID    42         50
  gps_time 455537175.982426 455540482.291491
  extended_return_number          1      8
  extended_number_of_returns      1      7
  extended_classification         1      9
  extended_scan_angle    -30.048     31.584
  extended_scanner_channel        0      1
  attribute0       0.01      48.57  ('Amplitude')
  attribute1     -20.33      28.58  ('Reflectance')
  attribute2          0        401  ('Deviation')
number of first returns:        190645683
number of intermediate returns: 898041
number of last returns:         190956278
number of single returns:       185637646
covered area in square meters/kilometers: 3647576/3.65
point density: all returns 53.97 last only 52.35 (per square meter)
      spacing: all returns 0.14 last only 0.14 (in meters)
overview over extended number of returns of given pulse: 185637646 8859720 1826783 429971 91122 15204 1910 0 0 0 0 0 0 0 0
histogram of classification of points:
        31247249  unclassified (1)
       143850024  ground (2)
        21765083  water (9)