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Issue No.06 - November/December (2010 vol.16)
pp: 1319-1328
Mathias Hummel , University of Kaiserslautern
Christoph Garth , University of California, Davis
Bernd Hamann , University of California, Davis
Hans Hagen , University of Kaiserslautern
Kenneth I. Joy , University of California, Davis
Integral surfaces are ideal tools to illustrate vector fields and fluid flow structures. However, these surfaces can be visually complex and exhibit difficult geometric properties, owing to strong stretching, shearing and folding of the flow from which they are derived. Many techniques for non-photorealistic rendering have been presented previously. It is, however, unclear how these techniques can be applied to integral surfaces. In this paper, we examine how transparency and texturing techniques can be used with integral surfaces to convey both shape and directional information. We present a rendering pipeline that combines these techniques aimed at faithfully and accurately representing integral surfaces while improving visualization insight. The presented pipeline is implemented directly on the GPU, providing real-time interaction for all rendering modes, and does not require expensive preprocessing of integral surfaces after computation.
flow visualization, integral surfaces, illustrative rendering
Mathias Hummel, Christoph Garth, Bernd Hamann, Hans Hagen, Kenneth I. Joy, "IRIS: Illustrative Rendering for Integral Surfaces", IEEE Transactions on Visualization & Computer Graphics, vol.16, no. 6, pp. 1319-1328, November/December 2010, doi:10.1109/TVCG.2010.173
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