lasinfo (180409) report for '21cn2.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: 18973055 number of points by return: 17384770 1169933 296357 96204 25791 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 185000.000 508836.849 -2.389 max x y z: 189999.999 511245.987 95.171 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 185000000 189999999 Y 508836849 511245987 Z -2389 95171 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 -32 34 user_data 1 1 point_source_ID 81 88 gps_time 223039068.395204 223042406.858022 number of first returns: 17384770 number of intermediate returns: 425080 number of last returns: 17374624 number of single returns: 16211419 overview over number of returns of given pulse: 16211419 1748279 601553 282288 102671 22211 4634 histogram of classification of points: 5287784 unclassified (1) 10788678 ground (2) 2896593 water (9)