LAS Version 2.0 Data Formats analysis

The paper,the form of the way,compared the similarities and differences of laser radar system(LIDAR) standard file format LAS version 2.0 and older versions verison1.1.It analyzed the new features of Version 2.0 facilitate the reader's understanding and application of LAS format.The new definition of the standard is more adapted to the LIDAR hardware commonality,giving the user more room for expansion and quality document exchange for the LIDAR system applications.