lasinfo (190604) report for '40cn1.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: 46988701 number of points by return: 41363420 3800855 1251381 447363 125682 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 180000.000 431250.000 2.767 max x y z: 184999.999 433243.145 64.293 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 180000000 184999999 Y 431250000 433243145 Z 2767 64293 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 36 user_data 0 0 point_source_ID 34 39 gps_time 252157263.740186 252159606.060153 number of first returns: 41363420 number of intermediate returns: 1857270 number of last returns: 41327832 number of single returns: 37559821 overview over number of returns of given pulse: 37559821 5097008 2412613 1288323 489130 115931 25875 histogram of classification of points: 12665175 unclassified (1) 28330268 ground (2) 5993258 water (9)