研究在.Net Web Service体系结构基础上如何利用GIS二次开发工具方便快捷地开发地理信息原子服务,以及如何利用服务组合技术组合相关地理信息原子服务,从而达到构建WebGIS系统的目的.首先结合.NET和ArcEngine开发空间信息处理原子Web服务,再利用业务流程语言BPEL将一些相关的原子服务进行组合,开发出较复杂的组合服务,最终实现一个可在Web调用的库区洪水淹没分析系统.
This paper studies how to develop atomic geospatial Web Services using the secondary development tools of the geographic information system(GIS) based on the Net Web Service architecture;and how to compose the related atomic geospatial Web Services.In this work,atomic geospatial Web Services,developed by.NET and ArcEngine,are composed to form complicated composition service based on the Business Process Execution Language(BPEL);and a Web system about the flood analysis is provided at last.