Government Polytechnic 2010 Diploma in Hospital Management Computer Graphics - Question Paper

Q.1 (a) discuss the Construction of CRT. What is a Shadow mask? discuss
its function in Color CRT.
07
(b) discuss any 2 in brief
1) Liquid Crystal displays
2) Plasma Panel
3) Image scanners
07
Q.2 ans the subsequent in detail
(a) discuss Digital differential analyzer Algorithm with its derivation. 07
(b) What is Breshenham line generation?Explain its derivation 07
OR
(b) Write Midpoint circle algorithm. Draw a circle at origin with
radius=10 using midpoint circle algorithm.
07

Q.3 (a) What is Rotation in 2D Plane ? discuss Rotation with respect to a
fixed point. Represent the formula in homogeneous plane
07
(b) What is reflection ? discuss reflection with respect to various axis
in 2D homogeneous system.
07
Q.4 ans the subsequent
(a) What is line clipping ? discuss Cohen-Sutherland line clipping
algorithm in detail.
07
(b) discuss Sutherland Hodgeman Polygon Clipping using improper
diagram.
07
OR
Q. four (a) What is Projection ? discuss Perspective and Parallel projections in
3D plane.
07

(b) discuss Scaling in two D and three D Homogeneous plane 07
Q.5 ans the subsequent
(a) What is visible suface detection ? discuss Z-Buffer method for back
face detection
07
(b) discuss 3D Rotation with respect to X,Y and Z axis in 3
Dimensional Homogeneous plane.
07
OR
Q.5 (a) What is Illumination ? discuss various reflection models 07
(b) provide resulting matrix for subsequent transformation in two D
homogeneous plane
1. 2 successive Rotation
2. 2 successive Scaling.

Earning:   Approval pending.