A novel WebGIS system based on Ajax

摘要

WebGIS system needs to interact with the server frequently, dynamic refresh technology can greatly reduce the system response time, Ajax is the representing technology of dynamic refresh, and at the same time, JSON as a kind of new data transmission technology, with its superiority in data construction and analysis, has become the mainstream technology of data transmission in Ajax technique. While Dojo as an excellent open-source JavaScript tool set, can provide a better and more efficient platform to support Web development.