John A. Kapenga

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In this article we explore the possibility of a VLSI chip for ray tracing bicubic patches in Bezier form. The purpose of the chip is to calculate the intersection point of a ray with the bicubic patch to a specified level of accuracy, returning parameter values (u,v) specifying the location of the intersection on the patch, and a parameter value, t, which(More)
TOR'S NOTE: A Pracnique entitled "MEANSORT" by ia Motzkin, published in the April 1983 issue of munications, elicited several items of correspondence t covered many of the same technical points. Rather than lishing each individual piece of correspondence, we are nting instead a comprehensive reply by the author to the es raised by the correspondents. n(More)