Discussion about system development process of new round general survey of land and resources and its supporting technology

The technology to support the new round general survey of land and resources consists of computer technology and simulation calculation technology ,remote sensing technology,spatial positioning technology,information network technology,spatial information system technology and subject database system technology .With the help of the research achievement of 1∶50 000 regional geological field spatial data collection system,system development process of the new round general survey of land and resources is discussed in this paper.