# Piecewise linear hypersurfaces using the Marching Cubes Algorithm

Roberts, Jonathan C. and Hill, Steve (1999) Piecewise linear hypersurfaces using the Marching Cubes Algorithm. In: Conference on Visual Data Exploration and Analysis VI, Jan 27-29, 1999, San Jose, Ca. (Full text available)

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http://dx.doi.org/10.1117/12.342833

## Abstract

Surface visualization is very important within scientific visualization. The surfaces depict a value of equal density (an isosurface) or display the surrounds of specified objects within the data. Likewise, in two dimensions contour plots may be used to display the information. Thus similarly, in four dimensions hypersurfaces may be formed around hyperobjects. These surfaces (or contours) are often formed from a set of connected triangles (or lines). These piecewise segments represent the simplest non-degenerate object of that dimension and are named simplices. In four dimensions a simplex is represented by a tetrahedron, which is also known as a 3-simplex. Thus, a continuous n dimensional surface may be represented by a lattice of connected n-1 dimensional simplices. This lattice of connected simplices may be calculated over a set of adjacent n dimensional cubes, via for example the Marching Cubes Algorithm. We propose that the methods of this local-cell tiling method may be usefully-applied to four dimensions and potentially to N-dimensions. Thus, we organise the large number of traversal cases and major cases;: introduce the notion of a sub-case (that enables the large:number of cases to be further reduced); and describe three methods for implementing the Marching Cubes lookup table in four-dimensions.

Item Type: Conference or workshop item (Paper) Marching Cubes; four dimensions; hypersurfaces; surfaces Q ScienceQ Science > QA Mathematics (inc Computing science) > QA 75 Electronic computers. Computer scienceQ Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming, Faculties > Science Technology and Medical Studies > School of ComputingFaculties > Science Technology and Medical Studies > School of Computing > Applied and Interdisciplinary Informatics Group F.D. Zabet 15 Apr 2009 12:52 19 Jun 2014 10:56 http://kar.kent.ac.uk/id/eprint/16559 (The current URI for this page, for reference purposes)
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