lasinfo (190604) report for '39dn2.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 0 global_encoding: 1 project ID GUID data 1-4: 00002019-0002-0000-0000-000000000000 version major.minor: 1.2 system identifier: 'Q680i' generating software: 'Terra Scan 019.018' file creation day/year: 253/2019 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: 37260883 number of points by return: 34568321 2064242 472719 128867 26734 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 157246.270 431250.000 0.731 max x y z: 159999.999 433708.306 39.811 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 157246270 159999999 Y 431250000 433708306 Z 731 39811 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 -36 37 user_data 0 0 point_source_ID 16 27 gps_time 252149243.361959 252154323.561428 number of first returns: 34568321 number of intermediate returns: 633035 number of last returns: 34559614 number of single returns: 32500087 overview over number of returns of given pulse: 32500087 3186164 1032088 408793 113078 18364 2309 histogram of classification of points: 8390266 unclassified (1) 24579995 ground (2) 4290622 water (9)