Constructing 3d surface from planar contours with grid adjustment analysis
VSMM'06 Proceedings of the 12th international conference on Interactive Technologies and Sociotechnical Systems
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We present a method of visualizing volume-sampled distancefields, taking advantage of hardware-acceleration ofmodern graphics hardware. Although conventional distancefields can represent only 2-manifold surfaces in astable way, we have developed a technique of representingboth manifold and non-manifold surfaces in a volume createdby sampling a segmented distance field. The volume-sampleddistance fields can be visualized eectively withpre-integrated volume rendering by embedding the interpolatingfunction as a lookup table called vertex generationdiagram into graphics hardware. We developed a simplesystem for smoothly blending two surface models in the distancefunction domain, and confirmed that our proposedrepresentation of surface models is applicable to existingmethods of geometric processing using implicit representations.We also confirmed that proposed methods of deformationand visualization can be executed at sucient qualityand speed using commodity graphics hardware on a standardPC.