CS602 VU Midterm Papers Spring May 2012

> Write down pseudo code or a function in C/C++, which will take Sx and Sy as parameters and scale points (x1,y1) and (x2,y2) with respect to point (xf , yf ).(5)
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> Can we fragment a polygon into several polygons in polygon clipping? Give reasons to support your answer. (3)
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> How Orthographical projection is characterized and what is meant by term oblique parallel projection? (3)
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> Both the Cohen Sutherland and the Liang Barsky algorithms can be extended to three-dimensional clipping. The given statement either right or wrong, give comment?(2)
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> Write down the types of axonometric projections. (2)
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> Give the case in which Boundary Filling Algorithm can not work? (2)
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