Tensor Field Reconstruction Based on Eigenvector and Eigenvalue Interpolation

Ingrid Hotz, Jaya Sreevalsan-Nair, Hans Hagen & Bernd Hamann
Interpolation is an essential step in the visualization process. While most data from simulations or experiments are discrete many visualization methods are based on smooth, continuous data approximation or interpolation methods. We introduce a new interpolation method for symmetrical tensor fields given on a triangulated domain. Differently from standard tensor field interpolation, which is based on the tensor components, we use tensor invariants, eigenvectors and eigenvalues, for the interpolation. This interpolation minimizes the number of...