lasinfo (190127) report for '30dz2.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: 58/2019 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: 6769189 number of points by return: 4611231 1220241 518892 279435 139390 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 75000.000 453703.801 -1.166 max x y z: 77314.239 456249.999 76.838 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 75000000 77314239 Y 453703801 456249999 Z -1166 76838 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 -34 31 user_data 4 4 point_source_ID 69 73 gps_time 235313508.485720 235316023.538863 number of first returns: 4611231 number of intermediate returns: 1005453 number of last returns: 4539461 number of single returns: 3386956 overview over number of returns of given pulse: 3386956 1400752 716829 558423 389527 187471 129231 histogram of classification of points: 2571470 unclassified (1) 4049455 ground (2) 148264 water (9)