CG (BCA 6th)

SECTION-A

Introduction to Active and Passive Graphics, Applications of Computer Graphics.

Input devices: light pens, Graphic tablets, Joysticks, Trackball, Data Glove, Digitizers, Image scanner,

Graphs and Types of Graphs.

Video Display Devices-- Refresh Cathode Ray Tube, Raster Scan displays, Random Scan displays,

Architecture of Raster and Random Scan Monitors, Color CRT-monitors and Color generating techniques

(Shadow Mask, Beam Penetration) , Direct View Storage Tube, Flat-Panel Displays; 3-D Viewing

Devices, Raster Scan Systems, Random Scan Systems, Graphics monitors and workstations, Color Models

(RGB and CMY), Lookup Table.

SECTION-B

Process and need of Scan Conversion, Scan conversion algorithms for Line, Circle and Ellipse, effect of

scan conversion, Bresenham's algorithms for line and circle along with their derivations, Midpoint Circle

Algorithm, Area filling techniques, flood fill techniques, character generation.

SECTION-C

2-Dimensional Graphics: Cartesian and need of Homogeneous co-ordinate system, Geometric

transformations (Translation, Scaling, Rotation, Reflection, Shearing), Two-dimensional viewing

transformation and clipping (line, polygon and text), Cohen Sutherland, Sutherland Hodgeman and Liang

Barsky algorithm for clipping.

SECTION-D

Introduction to 3-dimensional Graphics: Geometric Transformations (Translation, Scaling, Rotation,

Reflection, Shearing), Mathematics of Projections (parallel & perspective). Introduction to 3-D viewing

transformations and clipping.