The Technical Research on Geo-information Sharing and Open Geographical Information System[J]. Journal of Image and Graphics, 1998, 3(2): 140. DOI: 10.11834/jig.19980232.
Geo-information Sharing and Open Geographical Information System become more and more important in Geo-infomation research field. Their research and achievements will carry all the field to a new stage. In this paper
The authors will talk about the main research contents
the relationship and the realizing techniques of Geo-information Sharing and Open Geographical Information System from the below part st: 1. Geo-information and Geographical Information System 2. The research contents and the present situation of Geo-information Sharing. 3. The technical supports of Open Geographical Information System. 4. The future of Open Geographical Information System and Geo-information Sharing.