lasinfo (220310) report for '30gn1.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 1 global_encoding: 17 project ID GUID data 1-4: 00002022-0003-0000-0000-000000000000 version major.minor: 1.4 system identifier: 'VQ1560II' generating software: 'TerraScan 022.022' file creation day/year: 285/2022 header size: 375 offset to point data: 1625 number var. length records: 3 point data format: 6 point data record length: 34 number of point records: 0 number of points by return: 0 0 0 0 0 scale factor x y z: 0.001 0.001 0.001 offset x y z: -0 -0 -0 min x y z: 80000.000 459296.108 -1.046 max x y z: 81038.626 460689.868 51.875 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: 7703148 extended number of points by return: 7386183 266223 41132 8280 1214 108 8 0 0 0 0 0 0 0 0 variable length header record 1 of 3: reserved 0 user ID 'LASF_Spec' record ID 4 length after header 384 description 'RIEGL Extra Bytes' Extra Byte Descriptions 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 3: 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 variable length header record 3 of 3: reserved 0 user ID 'LASF_Projection' record ID 2112 length after header 662 description 'by LAStools of rapidlasso GmbH' WKT OGC COORDINATE SYSTEM: PROJCS["Amersfoort / Amersfoort / RD New",GEOGCS["Amersfoort",DATUM["Amersfoort",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","6289"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4289"]],PROJECTION["Oblique_Stereographic"],PARAMETER["latitude_of_origin",52.1561605555556],PARAMETER["central_meridian",5.38763888888889],PARAMETER["scale_factor",0.9999079],PARAMETER["false_easting",155000],PARAMETER["false_northing",463000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","28992"]] the header is followed by 2 user-defined bytes LASzip compression (version 3.4r3 c3 50000): POINT14 3 BYTE14 3 reporting minimum and maximum for all LAS point record entries ... X 80000000 81038626 Y 459296108 460689868 Z -1046 51875 intensity 0 4555 return_number 1 7 number_of_returns 1 7 edge_of_flight_line 0 1 scan_direction_flag 0 1 classification 1 9 scan_angle_rank -30 31 user_data 6 7 point_source_ID 28 33 gps_time 349608948.062502 349610442.732662 extended_return_number 1 7 extended_number_of_returns 1 7 extended_classification 1 9 extended_scan_angle -5061 5131 extended_scanner_channel 2 3 attribute0 -21.43 24.74 ('Reflectance') attribute1 0 65535 ('Deviation') number of first returns: 7386183 number of intermediate returns: 50830 number of last returns: 7385519 number of single returns: 7119384 overview over extended number of returns of given pulse: 7119384 450545 98708 28313 5542 600 56 0 0 0 0 0 0 0 0 histogram of classification of points: 1750974 unclassified (1) 5319117 ground (2) 633057 water (9)