This paper aims at multi-scale representation of urban GIS,presenting a model to dynamically generalize the building on the basis of Delaunay triangulation mode
The LAMBDA methodthat was proposed by Teunissen is introduced. Then, on the basis of both the back-sequential conditional LS technique and the upper-triangular
This paper focuses on the methods and process of spatial aggregation based on semantic and geometric characteristics of spatial objects and relations among the
An application of line simplification considering spatial knowledge is described.A method for identifying potential conflict regions,in order to avoid the selfi