This paper focuses on the issues of categorical database gen-eralization and emphasizes the roles ofsupporting data model, integrated datamodel, spatial analysi
Urban geo-environment mainly concerns those regards in and around a city,such as the movement of earth crust and earth surface,conditions of hydrology,geology,g
In this paper,multi-quadric equations interpolation is used to establish a widely covered and valuable speed field model,with which the crustal movement image i