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Ian Roberts wrote: > Hi, > I noticed some correspondence about RealTime3D recently. > Can anyone tell me why it is makes rendering so much faster? I have been > using it with Parametric3D and a 60 sec plot is rendered almost > instantaneously. The result lacks some detail but the speed increase is > so great that many more PlotPoints can be used which more than > compensates. Ian I suspect the tesselation is rendered directly as a set of polygons and lines and not via PostScript and a generic PS renderer. Cheers, Jon.