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Show wim^mmmm^^'v*v"v* ■«** w»Mm ' " ' '"* --..".-i-r «« ■ II J J ,IM 77 ACKNOWLEDGMENTS I express my appreciation to Steve Coons who gave me considerable help in writing this report. I am indebted to fellow students and co-wor',->rs who aided with ideas and criticism. Ephraim Cohen stimulated a better mathematical form. Lance Williams suggested numerous ideas including "mapping" and helped correct my English. Martin Newell was always willing to discuss new ideas. Robert McDermott provided critical reading. Frank Crow stimulated ideas about frame buffers and shadows. My thanks to Ivan Sutherland who stimulated me by telling me that I needed to find a faster way of subdividing. I am grateful to Rich Rie^enfeld who help stimulate a good atmosphere of interaction at the University o' Jtah. My thanks also to the members of my committee, Robert Stephenson, Dave Evans, Ivan Sutherland, and Steve Coons who insisted that this report be somewhat readable.. Thanks to Mike Milochik for photographic aid and in making prints of the pictures. mmm ■-- ------- i TUM |
