**FR.
Conceicao Rodrigues College of Engineering**

**Test 2**

Subject:- Computer Graphics

Sem :- VI Branch:- Computers

Distinguish between viewport and window.

Write a Short notes on viewing transformation.

What do you mean by normalization transformation? Why it is needed?

Explain the Sutherland and cohen subdivision algorithm for the line clipping.

Problems on Sutherland and cohen subdivision algorithm for the line clipping.

Explain Liang-Barsky line clipping algorithm

Problems on Liang-Barsky Line clipping algorithm.

Explain Sutherland – Hodgeman algorithm for polygon clipping.

What do you mean by interior and exterior clipping?

Explain how exterior clipping is useful in multiple window environment.

Derive the transformation matrix for rotation about an arbitrary axis.

Derive the transformation matrix for rotation about an arbitrary plane

What are different types of projection? Derive a matrix representation for perspective transformation? What are different perspective anomalies?

Problems on 3-Dimension transformation. For eg A triangle is defined by 3 vertices A,B,C .Find the final co-ordinates after it is rotated by

**some**degree around line joining the points(coordinates will be given).