lasinfo (190127) report for '09dz1.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 0 global_encoding: 1 project ID GUID data 1-4: 00002019-0003-0000-0000-000000000000 version major.minor: 1.2 system identifier: 'Q780' generating software: 'TerraScan 019.005' file creation day/year: 20/2019 header size: 227 offset to point data: 229 number var. length records: 0 point data format: 1 point data record length: 28 number of point records: 3938850 number of points by return: 3681384 169307 65776 18203 4180 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 110000.000 550000.000 -1.258 max x y z: 112982.535 556249.999 29.072 the header is followed by 2 user-defined bytes LASzip compression (version 3.2r9 c2 50000): POINT10 2 GPSTIME11 2 reporting minimum and maximum for all LAS point record entries ... X 110000000 112982535 Y 550000000 556249999 Z -1258 29072 intensity 7 32767 return_number 1 5 number_of_returns 1 7 edge_of_flight_line 0 1 scan_direction_flag 0 0 classification 1 9 scan_angle_rank -32 31 user_data 4 5 point_source_ID 1 51 gps_time 232020125.884707 235054404.444899 number of first returns: 3681384 number of intermediate returns: 91095 number of last returns: 3676392 number of single returns: 3510021 overview over number of returns of given pulse: 3510021 205689 143838 57594 16825 3827 1056 histogram of classification of points: 321940 unclassified (1) 3305819 ground (2) 311091 water (9)