处理大光斑激光雷达LAS数据的IDL程序文件。可以提取LAS数据的单个数据项、画出单个回波的波形、转换雷达数据格式等。-Deal with large facula LIDAR LAS data IDL program files. LAS data can be extracted a single data item, draw a single echo waveform, converting data formats, such as radar.