Speeding Up Isosurface Extraction Using Interval Trees
IEEE Transactions on Visualization and Computer Graphics
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A system to represent and visualize scalar volume data at multiple resolution is presented. The system is built on a multiresolution model based on tetrahedral meshes with scattered vertices that can be obtained from any initial dataset. The model is built o-line through data simplication techniques, and stored in a compact data structure that supports fast on-line access. The system supports interactive visualization of a representation at an arbitrary level of resolution through isosurface and projective methods. The user can interactively adapt the quality of visualization to requirements of a specic application task, and to the performance of a specic hardware platform. Representations at dierent resolutions can be used together to enhance further interaction and performance through progressive and multiresolution rendering. EMAIL:: montani@iei.pi.cnr.it