Design and Implementaion of Digital Geospatial Data Framework in China

In China, the government will establish spatial data infrastructure (SDI). This paper introduces some main ideas for producing and establishing the digital geospatial data framework consisting of digital orthoimage maps, digital elevation models, and vector data including road, water system, boundary of adminstrative division and place name annotation. Then the paper introduces the hardware, software and some requirements for implementing the DGDF.