Dynamic 3D Maps and Their Texture-Based Design

Three-dimensional maps are fundamental tools for presenting, exploring, and manipulating geo data. This paper describes multiresolution concepts for 3D maps and their texture-based design. In our approach, 3D maps are based on a hybrid, multiresolution terrain model composed of data sets having different topological structure, for example a coarse regular grid combined with by triangulated microstructures. Any number of texture layers can be associated with the terrain model. For each texture layer, the multiresolution structure builds a texture tree which is linked to geometry patches of the multiresolution terrain model. The terrain model together with multiple texture layers can be rendered in real-time, in particular if multitexturing is available. Texture layers can be combined by high-level operations such as blending and masking, and can be rebuilt at run-time. This mechanism simplifies the implementation of visual exploration tools and of procedural, automated map designs. 3D ...

• Type: Conference
• Year: 2000
• Where: CGI
• Authors: Jürgen Döllner, Klaus Hinrichs
• Keywords: CGI 2000, Computer Graphics, Multiresolution Terrain Model, Terrain Model, Texture Layers