It is an art of drawing pictures, lines, charts, etc, on the computer screen by using a programming language.
For the creation and manipulation of pictures on display devices as well as storing, modifying, representing images computers will be used often.
In computer graphics objects are introduced as a group of discrete image (pixel) elements.
pixel is the smallest screen element
Application of Computer Graphics
Education and Training: In educational aids, often Computer-generated model of the economic system, financial, and physical used
Flight Simulator: very helpful in pilot’s training of airplanes. These pilots spend much of their training not in a real aircraft but on the ground at the controls of a Flight Simulator
Why computer graphics used?
Suppose a company wants to show some vast amount of information without graphics it takes a lot of time and memory. For a common man, it will be touch t understand. In this situation, graphics tools like charts and graphs are better alternatives.
The concept of computer graphics is very useful in two-way communication between computer users. An input device sends singles to a computer for modification of the picture accordingly. The picture will be changed quickly when we apply the command.
Example of Computer Graphics Packages
LOGO
COREL DRAW
AUTOCAD
3D STUDIO
CORE
GRAPHICS KERNEL SYSTEM (GKS)
PHIGS
COMPUTER GRAPHICS METAFILE (CAM)
COMPUTER GRAPHICS INTERFACE (CGI)
Application of Computer Graphics
Computer Graphics has numerous applications, some of which are listed below
Computer graphics user interfaces GUIs
Business presentation graphics
Cartography
Photo Enhancement
Medical imaging
Typography
Syllabus
Computer Graphics Basics and Line Drawing Algorithms