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Issue No. 05 - September/October (2003 vol. 23)
ISSN: 0272-1716
pp: 70-77
Kevin G. Suffern , University of Technology, Sydney
Ronald J. Balsys , Central Queensland University
<p>The article presents algorithms for rendering the intersection curves of implicit surfaces. The algorithms use octree-based recursive space subdivision techniques, within a viewing cube specified by the user. The subdivision process employs interval techniques to increase the algorithms' robustness. Applications for these algorithms include rendering the intersection curves of two surfaces, aiding the visualization of individual surfaces, plotting contour lines and rendering contour maps of functions defined on implicit surfaces, and trimming one implicit surface against another. Examples of functions whose contour lines can be plotted by the techniques described are various planar contours, and the Gaussian and mean curvatures of implicit surfaces.</p>
implicit surfaces, intersections, octrees, intervals, curvature, Boolean operations, contours, contour maps

R. J. Balsys and K. G. Suffern, "Rendering the Intersections of Implicit Surfaces," in IEEE Computer Graphics and Applications, vol. 23, no. , pp. 70-77, 2003.
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