Xiang, Zhingang Roy A Plastock creator text New Delhi McGraw hill Education (india) Private limited 1986 monographic xvi, 407 p. : ill. ; 24 cm. includes appendix and index. Graphics, Computer Graphics- IO devices Scan conversion Transformations (mathematics) Transformation methods of computer programs Viewing and clipping FC 006.6 XIA 9780070601659 (pbk) 0070601658 (pbk)