A new general-purpose technique for the visualization of time-dependent
Symmetric positive definite tensor fields of rank two is described. It is based on a splatting technique that is built from tiny transparent glyph primitives which are capable of incorporating the full directional information content of a tensor. The result is an information-rich image that allows to read off the preferred directions in a tensor field. It is useful for analyzing slices or volumes of a three-dimensional tensor field and can be overlayed with standard volume rendering or color mapping.
The application of the rendering technique is demonstrated
on numerically simulated general relativistic data and
a measured diffusion tensor field of a human brain.
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