ABSTRACT
Key Laboratory of Modern Precision Agriculture System Integration Research, Ministry of Education, P.O. Box 125 China Agricultural University, Beijing, P.R. China, 100083
Received Jun. 5, 2006, accepted in revised form Oct. 20, 2006
1. Introduction
3D GIS (Three Dimension Geographic Information System) modeling, which can provide a livelier and more intuitionistic visual angle, is not a new technology, It has been used in many fields and has a more extensive application in the future with its particular advantages.
