Isosurface Extraction Using Extrema Graphs

TAKAYUKI ITOH,     IBM Japan Tokyo Research Laboratory

KOJI KOYAMADA,     Kyoto University Center for the Promotion of Excellence in Higher Education

5.1 Introduction

Visualizing isosurfaces is one of the most effective techniques for understanding elements of scalar fields, such as the results of 3D numerical simulations and the results of 3D measurements in the medical field. An isosurface is usually approximated as a set of triangular facets [1] and displayed as a set of edges of triangles or as a set of filled triangles.

In the numerical simulation field, visualization tools that support a function for the continuous generation of isosurfaces with changing scalar values are used to understand ...

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