For the problem of large amount of GIS map data, the algorithm of data compression by multi-resolution analysis and border processing is presented.
针对地理信息系统地图数据量大的问题，提出了多分辨分析数据压缩和边界处理方法。
2
A sandbox model with rigid border, homogeneously contraction base and oblique compression is prepared to investigate the formation of structures in the Yanqi Basin.