lasinfo (210330) report for '10az1.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 1 global_encoding: 1 project ID GUID data 1-4: 00002021-0003-0000-0000-000000000000 version major.minor: 1.4 system identifier: 'VQ1560II' generating software: 'TerraScan 21.029' file creation day/year: 250/2021 header size: 375 offset to point data: 1101 number var. length records: 2 point data format: 1 point data record length: 34 number of point records: 14625418 number of points by return: 14625075 314 21 7 1 scale factor x y z: 0.001 0.001 0.001 offset x y z: 0 0 0 min x y z: 140000.000 562500.000 -1.339 max x y z: 144999.999 568749.998 9.549 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: 14625418 extended number of points by return: 14625075 314 21 7 1 0 0 0 0 0 0 0 0 0 0 variable length header record 1 of 2: reserved 0 user ID 'LASF_Spec' record ID 4 length after header 576 description 'RIEGL Extra Bytes' Extra Byte Descriptions data type: 3 (unsigned short), name "Amplitude", description: "Echo signal amplitude [dB]", min: 0, max: 10000, scale: 0.01, offset: 0 (not set) data type: 4 (short), name "Reflectance", description: "Echo signal reflectance [dB]", min: -5000, max: 15000, scale: 0.01, offset: 0 (not set) data type: 3 (unsigned short), name "Deviation", description: "Pulse shape deviation", min: 0, max: 65535, scale: 1 (not set), offset: 0 (not set) variable length header record 2 of 2: 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 BYTE 2 reporting minimum and maximum for all LAS point record entries ... X 140000000 144999999 Y 562500000 568749998 Z -1339 9549 intensity 42 4928 return_number 1 5 number_of_returns 1 5 edge_of_flight_line 0 1 scan_direction_flag 0 1 classification 1 9 scan_angle_rank -32 31 user_data 6 7 point_source_ID 11 1017 gps_time 315058834.097659 315154736.020078 attribute0 0.42 49.28 ('Amplitude') attribute1 -24.05 25.89 ('Reflectance') attribute2 0 65535 ('Deviation') number of first returns: 14625075 number of intermediate returns: 27 number of last returns: 14625282 number of single returns: 14624966 overview over extended number of returns of given pulse: 14624966 381 48 18 5 0 0 0 0 0 0 0 0 0 0 histogram of classification of points: 358 unclassified (1) 4470692 ground (2) 10154368 water (9)