In Proceedings of ASCI 2004 - Proceedings of the 10th annual conference of the Advanced School for Computing and Imaging
Fast extraction and rendering of isosurfaces from 4D data
For visualisation of time-dependent data sets, interactive isosurface extraction and rendering is desirable. It allows the user to study the development of a surface shape in time, such as a moving front or an evolving object shape. For this purpose, the user must be able to interactively specify an iso value, and a sequence of isosurfaces must be visualised, starting from any time step, in forward or backward direction in time. In this paper, we describe efficient and tightly coupled techniques for time-dependent isosurface extraction and rendering at interactive frame rates. In preprocessing, we create data structures from a time-dependent data set, which allows real-time extraction of all iso value-spanning cells, achieving rates of several hundreds of frames per second. These iso valued cells are then passed to a fast hardware-assisted direct point rendering algorithm for display, thus avoiding time expensive surface construction by triangulation. This algorithm makes effective use of the available graphics hardware.
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@inproceedings{bib:vrolijk:2004,
author = { Vrolijk, Benjamin and Botha, Charl P. and Post, Frits H. },
title = { Fast extraction and rendering of isosurfaces from 4D data },
booktitle = { In Proceedings of ASCI 2004 - Proceedings of the 10th annual conference of the Advanced School for Computing and Imaging },
editors = { J. J. van Wijk and J. W. J. Heijnsdijk and K. G. Langendoen and R. Veltkamp },
year = { 2004 },
note = { 90-803086-9-2 },
url = { https://publications.graphics.tudelft.nl/papers/742 },
}