Abstract
Visualization of concentrations and density values is one of the main tasks of volume rendering systems. Whenever the sample points are not located on any kind of structured grid most visualization tools are not able to display the data without expensive resampling. We show that a simple forward mapping algorithm can handle this problem efficiently, whenever the reconstruction of the volume function uses spherical kernels. Different examples are discussed and we visualized a simulation from astrophysics which is based on smoothed particle hydrodynamics. Here gas dynamical processes are modelled by a system of pseudo particles where the positions are irregular and vary strongly in time. We produced high quality images which display the simulation data correctly and showed that in this situation our approach is superior to resampling strategies.
Supported by the Deutsche Forschungsgemeinschaft, SFB 382
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Rau, R.T., Straßer, W. (1995). Direct Volume Rendering of Irregular Samples. In: Scateni, R., van Wijk, J.J., Zanarini, P. (eds) Visualization in Scientific Computing ’95. Eurographics. Springer, Vienna. https://doi.org/10.1007/978-3-7091-9425-6_7
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DOI: https://doi.org/10.1007/978-3-7091-9425-6_7
Publisher Name: Springer, Vienna
Print ISBN: 978-3-211-82729-1
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