lasinfo (210330) report for '64fz1.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 0 global_encoding: 1 project ID GUID data 1-4: 00002021-0003-0000-0000-000000000000 version major.minor: 1.4 system identifier: 'Q9184' generating software: 'TerraScan 21.016' file creation day/year: 89/2021 header size: 375 offset to point data: 471 number var. length records: 1 point data format: 1 point data record length: 28 number of point records: 4991627 number of points by return: 2881761 1179856 574841 244129 111040 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 50000.000 421477.976 -0.398 max x y z: 51134.333 424745.930 49.024 start of waveform data packet record: 0 start of first extended variable length record: 0 number of extended_variable length records: 0 extended number of point records: 4991627 extended number of points by return: 2881761 1179856 574841 244129 111040 0 0 0 0 0 0 0 0 0 0 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 3.4r3 c2 50000): POINT10 2 GPSTIME11 2 reporting minimum and maximum for all LAS point record entries ... X 50000000 51134333 Y 421477976 424745930 Z -398 49024 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 30 user_data 4 4 point_source_ID 15 17 gps_time 301131134.234622 301132816.795810 number of first returns: 2881761 number of intermediate returns: 984841 number of last returns: 2825192 number of single returns: 1700167 overview over extended number of returns of given pulse: 1700167 1209063 993734 532740 291663 154259 110001 0 0 0 0 0 0 0 0 histogram of classification of points: 2687223 unclassified (1) 2223386 ground (2) 81018 water (9)