Ερώτηση 10
(Πολλαπλής Επιλογής (Μοναδική Απάντηση) — 1 βαθμός)
The Utah teapot or Newell teapot is a 3D computer ……………….1 which has become a standard reference object in computer graphics. It is a ……………….2 model of an ordinary teapot of simple ………………….3, which appears………………4, cylindrical and partially convex. The teapot model was ………………….5 in 1975 by Martin Newell, ………………6 needed a simple mathematical model of a familiar ………………..7 for his work. His wife Sandra Newell suggested ………………..8 their tea service since they were sitting down to tea at the time. He got some graph paper and a pencil, and …………………9 the teapot by eye. Then he went back to the lab and edited bézier control ……………..10 on a Tektronix storage tube, again by hand. The teapot shape ………………….11 a number of elements that made it ideal for the graphics experiments of the time: it is ……………….12, contains saddle points, has a genus greater than zero because of the hole in the ……………………13, can project a shadow on itself, and looks reasonable when it is displayed without a complex surface ………………………14.