用于测量内业时将徕卡仪器传出来的GSI16数据，格式化为前端数据采集系统所用的展点数据，压缩包里提供了一个样本数据。-Mainly for Leica coming out the GSI16 data the exhibition point data formatted as a front-end data acquisition system used, provides a sample data compression bag.

哈夫曼树编码,利用哈夫曼树算法实现对数据的压缩,很好,不错(Huffman tree coding, the use of Huffman tree algorithm of data compression, good, good)