随着信息技术及Internet的飞速发展,地理信息系统的发展也是突飞猛进。在这过程中产生了许多不同形式的GIS平台,而这些平台大部分采用专有而互不兼容的数据格式,这就导致数据共享成为顺利实施GIS系统最大的阻碍。地理信息系统的互操作从技术层次上可以分为以下3类(姚鹤岭,2004):一是地理空间数据的互操作,强调数据集之间透明访问,达到数据共享、提高 With the rapid development of information technology and the Internet, the development of geographic information system is also by leaps and bounds. In the process, many different forms of GIS platforms have emerged. Most of these platforms use proprietary and incompatible data formats, which makes data sharing the biggest obstacle to the smooth implementation of GIS. GIS interoperability can be divided into the following three categories from the technical level (Yao Crane, 2004): First, the interoperability of geospatial data, emphasizing the transparent access between data sets to achieve data sharing and improve