Distributed GIS framework design based on XML and Web Service

Network WebGIS geographic information system is a solution which is more open and conform to the trend of distributed GIS application, the paper discusses the technology and face WebGIS, elaborated the XML Web Service this new dynamic distributed computing model of technology. It put forward to Supermap IS the. net provides Service type GIS platform, based on XML Web Service system design of open mode WebGIS, and how the system plan of superiority and feasibility.