National Institute of Technology 2009 Post Graduate Diploma Computer Application Computer graphics - Question Paper

NATIONAL INSTITUTE OF ENGINEERING

COMPUTER GRAPHICS

All the ques. are compulsory. The 1st 5 ques. shall be of 16 marks every and the last ques. shall be of 20 marks

Q1.
A. Compare the advantages and disadvantages of a three-dimensional monitor using a varifocal mirror wit a stereoscopic system

B.Write a routine to implement the polymarker function.

Q2.
A. Determine the outcome of performing 2 successive block transfers into the identical area of a frame buffer using the binary arith operations.

B. Device an algorithm for weiler-atherton polygon clipping, where the clipping window can be any specified polygon.

Q3.
A. Write a procedure to implement highlight as a blinking operation.

B. Design an implement of the inputs functions for event mode.

Q4.
A. Write a program to model an exploding firecracker in the xy plane using a particle system.

B. Develop a routine to reflect an object about an arbitrarily opted plane.

Q5.
A. Extend the sutherland-hodgman clipping algorithm to clip three-dimensional planes against a regular paralleiepiped.

B. Set up procedure for generating a wire frame display of a polyhedron with the hidden edges of the object drawn with dashed lines.

Q6.
A. provided a spherical surface, write bump-mapping procedure to generate the bumpy surface of an orange.

B. Derive expression for converting RGB color parameters to HSV values.

C. Write a program to implement the motion of a bouncing ball using a downward gravitational force and a ground-plane friction force. Initially the ball is to be projected in to space with a provided velocity vector.

Earning:   Approval pending.