lasinfo (260326) report for '37BN1.laz' reporting all LAS header entries: file signature: 'LASF' file source ID: 27 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: 22/2026 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: 70000.000 447901.255 -1.738 max x y z: 71590.262 449999.999 24.334 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: 28988583 extended number of points by return: 26693365 2145423 141562 7445 737 49 2 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 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 70000000 71590262 Y 447901255 449999999 Z -1738 24334 intensity 18109 65535 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 -29.562 13.632 user_data 0 1 point_source_ID 27 28 gps_time 453122974.693525 453123340.148093 extended_return_number 1 7 extended_number_of_returns 1 7 extended_classification 1 9 extended_scan_angle -29.562 13.632 extended_scanner_channel 0 1 attribute0 0.05 48.57 ('Amplitude') attribute1 -16.71 31.74 ('Reflectance') attribute2 0 205 ('Deviation') number of first returns: 26693365 number of intermediate returns: 149748 number of last returns: 26694857 number of single returns: 24549387 covered area in square meters/kilometers: 1219428/1.22 point density: all returns 23.77 last only 21.89 (per square meter) spacing: all returns 0.21 last only 0.21 (in meters) overview over extended number of returns of given pulse: 24549387 4006427 402223 26810 3440 282 14 0 0 0 0 0 0 0 0 histogram of classification of points: 7681802 unclassified (1) 19559498 ground (2) 1747283 water (9)