lasinfo (190604) report for '39az1.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 0 global_encoding: 1 project ID GUID data 1-4: 00002019-0001-0000-0000-000000000000 version major.minor: 1.2 system identifier: 'Q8097' generating software: 'Terra Scan 019.019' file creation day/year: 262/2019 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: 21623759 number of points by return: 19697117 1523833 317660 71093 14056 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 140000.000 441042.029 1.585 max x y z: 144999.999 443634.361 44.844 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 3.4r1 c2 50000): POINT10 2 GPSTIME11 2 reporting minimum and maximum for all LAS point record entries ... X 140000000 144999999 Y 441042029 443634361 Z 1585 44844 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 -33 35 user_data 0 0 point_source_ID 1 53 gps_time 252501208.255174 252940075.152229 number of first returns: 19697117 number of intermediate returns: 407982 number of last returns: 19688240 number of single returns: 18169580 overview over number of returns of given pulse: 18169580 2412379 740574 229312 60169 10430 1315 histogram of classification of points: 6346375 unclassified (1) 14324663 ground (2) 952721 water (9)