Osmania University (OU) 2007 M.Sc Computer Science Computer Graphics - Question Paper

Computer Graphics Maximum Marks : 80
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part A (Marks eight X four = 32)
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1. discuss about Raster scan display.
2. Write short notes on boundary fill method.
3. write about line attributes.
4. discuss briefly about reflection transformation.
5. describe window, viewport and viewing transformation.
6. Write short notes on Weiler-Atherton Plygon CLipping.
7. Write about interpolation and approximation of splines.
8. Write short notes on depth buffer method.

part B (Marks: four X 12 = 48)
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9. (a) (i) discuss Bresenham's line algorithm.
(ii) Write about various kinds of graphic software.

(OR)

(b) (i) Write and discuss midpoint circle algorithm.
(ii) Write about modelling coordinates, world coordinates, device coordinates and normalized device coordinates.

10. (a) (i) Write shor notes on composite transformation.
(ii) Show that 2 successive rotations about origin in 2-D is additive and commutative.

(OR)

(b) (i) Derive transformation matrix in 2-D for rotation about a pivot point.
(ii)Define shear transformation. Write transformation matrices for x-shear and y-shear about the line y=0 and x=0

respectively.

11. (a) discuss Cohen-Sutherland line clipping method.

(OR)

(b) discuss Sutherland-Hodgeman plygon clipping method.

12. (a) discuss the steps used to find transformation matrix for rotation about an arbitrary axis in 3-D.

(OR)
(b) Write short notes on the subsequent :-
(i) Parallel and perspective projections
(ii) Visible surface detection
(iii) Depth sorting method.

Earning:   Approval pending.