Computer Graphics

Syllabus :

UNIT – 1

Introduction: Applications of computer graphics; A graphics system;

Images: Physical and synthetic; Imaging Systems; The synthetic camera

model; The programmer’s interface; Graphics architectures; Programmable

Pipelines; Performance Characteristics

Graphics Programming: The Sierpinski gasket; Programming Two Dimensional

Applications.

UNIT – 2

The OpenGL: The OpenGL API; Primitives and attributes; Color; Viewing;

Control functions; The Gasket program; Polygons and recursion; The threedimensional

gasket; Plotting Implicit Functions

UNIT – 3

Input and Interaction: Interaction; Input devices; Clients and Servers; Display

Lists; Display Lists and Modeling; Programming Event Driven Input; Menus;

Picking; A simple CAD program; Building Interactive Models; Animating

Interactive Programs; Design of Interactive Programs; Logic Operations

UNIT – 4

Geometric Objects and Transformations-I: Scalars, Points, and Vectors;

Three-dimensional Primitives; Coordinate Systems and Frames; Modeling a

Colored Cube; Affine Transformations; Rotation, Translation and Scaling;

PART – B

UNIT – 5

Geometric Objects and Transformations-II: Geometric Objects and

Transformations; Transformation in Homogeneous Coordinates; Concatenation

of Transformations; OpenGL Transformation Matrices; Interfaces to threedimensional

applications; Quaternion’s.

UNIT – 6

Viewing : Classical and computer viewing; Viewing with a Computer;

Positioning of the camera; Simple projections; Projections in OpenGL; Hiddensurface

removal; Interactive Mesh Displays; Parallel-projection matrices;

Perspective-projection matrices; Projections and Shadows.

UNIT – 7

Lighting and Shading: Light and Matter; Light Sources; The Phong Lighting

model; Computation of vectors; Polygonal Shading; Approximation of a sphere

by recursive subdivisions; Light sources in OpenGL; Specification of materials

in OpenGL; Shading of the sphere model; Global Illumination.

UNIT – 8

Implementation: Basic Implementation Strategies; Four major tasks; Clipping;

Line-segment clipping; Polygon clipping; Clipping of other primitives;

Clipping in three dimensions; Rasterization; Bresenham’s algorithm; Polygon

Rasterization; Hidden-surface removal; Antialiasing; Display considerations.

Text books: 

  

Edward Angel: Interactive Computer Graphics A Top-Down

Approach with OpenGL, 5th Edition, Pearson Education, 2008.

Notes:

Unit 1,3,4,5,8