# VTU Previous Year Question Papers BE CS Sixth Semester Computer Graphics December 2010

VTU CSE 6th Semester Computer Graphics Question Paper December 2010: To secure better marks in the exam, you should practice as many question papers as possible. It will give you information about the important chapters and concepts to be covered in all chapters.

Here we are providing you the complete guide on Computer Graphics Question Paper December 2010.

## VTU CSE 6th Semester Computer Graphics Question Paper December 2010

You must have Computer Graphics Question Paper along with the latest Computer Science 6th sem Syllabus to enhance your semester exam preparation.

Here you can check the Question Paper December 2010

Note: Answer any FIVE full questions.

1 a. Explain the conceptual framework for interactive graphics, with a neat block diagram.

b. Explain the various representative uses of computer graphics, in detail.     (10

2 a. Briefly explain the Bresenham’s midpoint line scan conversion algorithm. Derive the expressions for decision variables.

b. Briefly explain the basic methods used for drawing thick primitives.

3 a. Give the Cohen-Sutherland line clipping algorithm (psedocode).

b. Briefly explain and give the Sutherland-Hodgeman polygon clipping algorithm (psedocode).

4 a. Explain the steps involved in transformation from a world co-ordinate window to screen co-ordinate viewport. Also get the composite transformation matrix.

b. Find the transformation matrix, that transforms the given square A B C D to half its size, with centre still remaining at the same position. The co-ordinates of square axe A (1, 1), B(3, 1), C(3,3) and D(l, 3)and centre at (2, 2). Also find the resultant co-ordinates of the square.

5 a. Write the homogeneous co-ordinate transformation matrices for the three basic 3D transformations.

b. Give the classification of planar geometric projections. With neat sketches, explain the orthographic and oblique parallel projections.

6 a. Briefly explain the three common styles for user-computer interfaces,

b. List the properties of B-spline curves.

7  a. Explain the Z-buffer algorithm for the removal of hidden surfaces, with a psedocode.

b.  Explain the Wamock’s area subdivision algorithm.

8 Write short notes on :

a.   Octrees

b.  Rubber band construction technique

c.   Character generation methods

d.  Fractal geometry methods.

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