95 search results - page 3 / 19 » 3D Geometries in Spatial DBMS |
GIS
2008
ACM
14 years 8 months ago
2008
ACM
It has been pointed out repeatedly that spatial operations must be extended to include support for 3D and moving objects. The attempt to code by hand each spatial operation for ea...
MDM
2009
Springer
14 years 2 months ago
2009
Springer
Topological relationships between spatial objects are an essential property of spatial objects. They are used for spatial analysis and query processing. In this paper, we first i...
GRAPHICSINTERFACE
2000
13 years 8 months ago
2000
We introduce a new metaphor for learning spatial relations--the 3D puzzle. With this metaphor users learn spatial relations by assembling a geometric model themselves. For this pu...
JCDL
2003
ACM
14 years 22 days ago
2003
ACM
The increasing power of techniques to model complex geometry and extract meaning from 3D information create complex data that must be described, stored, and displayed to be useful...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
In this paper, we present a new framework to analyse and process 3D animations (defined by sequences of triangular meshes sharing the same connectivity at any frame). Our idea is...