According to the criterions (wms,wfs,gml) of OGC, this paper studies the system structure of the distributed heterogeneous geography information exchange system and provides its working principle and implemeatation methods.
According to the criterions (wms,wfs,gml) of OGC, this paper studies the system structure of the distributed heterogeneous geography information exchange system and provides its working principle and implemeatation methods.
摘要参照OGC的有关规范标准，对分布式多源地理信息交换系统体系结构模型进行了初步研究，给出了多源地理信息交换系统的工作原理和实现方法。