lasinfo (190127) report for '01dz1.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: 25057503 number of points by return: 19477630 2664328 1715754 860903 338888 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 150000.000 600950.014 -1.702 max x y z: 154999.999 604758.409 54.710 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 150000000 154999999 Y 600950014 604758409 Z -1702 54710 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 5 5 point_source_ID 10 12 gps_time 232024426.072697 232026304.825686 number of first returns: 19477630 number of intermediate returns: 3024484 number of last returns: 19345832 number of single returns: 16790443 overview over number of returns of given pulse: 16790443 1870093 2585712 2104599 1137464 404632 164560 histogram of classification of points: 6436606 unclassified (1) 18017420 ground (2) 603477 water (9)