lasinfo (260326) report for '01CZ2.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 73 global_encoding: 17 project ID GUID data 1-4: 00002026-1011-0000-0000-000000000000 version major.minor: 1.4 system identifier: 'VQ 1560II-S' generating software: 'TerraScan 25.021' file creation day/year: 20/2026 header size: 375 offset to point data: 2332 number var. length records: 2 point data format: 6 point data record length: 36 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: 145000.000 600000.000 -2.153 max x y z: 149999.999 603379.695 35.533 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: 234551820 extended number of points by return: 206070743 19012036 7280568 1831944 317841 36130 2525 32 1 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 2112 length after header 1271 description 'OGC Transformation Record' WKT OGC COORDINATE SYSTEM: COMPOUNDCRS["Amersfoort / RD New + NAP height",PROJCRS["Amersfoort / RD New",BASEGEOGCRS["Amersfoort",DATUM["Amersfoort",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4289]],CONVERSION["RD New",METHOD["Oblique Stereographic",ID["EPSG",9809]],PARAMETER["Latitude of natural origin",52.1561605555556,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",5.38763888888889,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9999079,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",155000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",463000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["easting (X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing (Y)",north,ORDER[2],LENGTHUNIT["metre",1]]],VERTCRS["NAP height",VDATUM["Normaal Amsterdams Peil"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone."],BBOX[50.75,3.2,53.7,7.22]],ID["EPSG",7415]] the header is followed by 2 user-defined bytes LASzip compression (version 3.5r0 c3 50000): POINT14 3 BYTE14 3 reporting minimum and maximum for all LAS point record entries ... X 145000000 149999999 Y 600000000 603379695 Z -2153 35533 intensity 20490 65535 return_number 0 7 number_of_returns 1 7 edge_of_flight_line 0 1 scan_direction_flag 0 1 classification 1 9 scan_angle -29.562 29.664 user_data 0 1 point_source_ID 73 89 gps_time 452952512.199021 455546958.010534 extended_return_number 1 9 extended_number_of_returns 1 7 extended_classification 1 9 extended_scan_angle -29.562 29.664 extended_scanner_channel 0 1 attribute0 0.03 49.83 ('Amplitude') attribute1 -15.62 33.6 ('Reflectance') attribute2 0 65535 ('Deviation') number of first returns: 206070776 number of intermediate returns: 9456620 number of last returns: 206109376 number of single returns: 187084952 covered area in square meters/kilometers: 11508876/11.51 point density: all returns 20.38 last only 17.91 (per square meter) spacing: all returns 0.22 last only 0.24 (in meters) overview over extended number of returns of given pulse: 187084952 23461445 16333231 6047279 1406089 201161 17663 0 0 0 0 0 0 0 0 histogram of classification of points: 48582696 unclassified (1) 173417151 ground (2) 12551973 water (9)