lasinfo (180409) report for '27gn1.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: 281/2018 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: 37719718 number of points by return: 32233922 2837719 1580051 765416 302610 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 201873.030 481250.000 -0.440 max x y z: 204036.999 487499.999 57.687 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 201873030 204036999 Y 481250000 487499999 Z -440 57687 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 -34 36 user_data 1 1 point_source_ID 59 70 gps_time 223030928.010561 223034989.488697 number of first returns: 32233922 number of intermediate returns: 2754698 number of last returns: 32120441 number of single returns: 29389343 overview over number of returns of given pulse: 29389343 2511193 2443755 1855749 1029519 359426 130733 histogram of classification of points: 9834540 unclassified (1) 25626140 ground (2) 2259038 water (9)