lasinfo (180409) report for '40bn2.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 0 global_encoding: 1 project ID GUID data 1-4: 00002018-0005-0000-0000-000000000000 version major.minor: 1.2 system identifier: 'LM6800' generating software: 'Terra Scan 018.018' file creation day/year: 279/2018 header size: 227 offset to point data: 323 number var. length records: 1 point data format: 1 point data record length: 28 number of point records: 18503644 number of points by return: 15514864 1523940 864438 428890 171512 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 197094.314 443750.000 4.536 max x y z: 199999.999 446378.835 52.998 variable length header record 1 of 1: 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 28992 - ProjectedCSTypeGeoKey: Amersfoort / RD New 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 the header is followed by 2 user-defined bytes LASzip compression (version 3.2r4 c2 50000): POINT10 2 GPSTIME11 2 reporting minimum and maximum for all LAS point record entries ... X 197094314 199999999 Y 443750000 446378835 Z 4536 52998 intensity 7 32767 return_number 1 5 number_of_returns 1 7 edge_of_flight_line 0 0 scan_direction_flag 0 0 classification 1 9 scan_angle_rank -33 34 user_data 1 1 point_source_ID 2 8 gps_time 222854516.245398 222857435.855442 number of first returns: 15514864 number of intermediate returns: 1525562 number of last returns: 15450703 number of single returns: 13987485 overview over number of returns of given pulse: 13987485 1316469 1306671 1030769 582854 206728 72668 histogram of classification of points: 4908177 unclassified (1) 13443590 ground (2) 151877 water (9)