An Introduction to Computer Graphics
What is called computer Graphics? Computer graphics is known as art of drawing lines, pictures, graphics, charts, etc. using computers with the help of programming and other digital means. Special effects on an image is formed from number of pixels. Elementary unit on the screen which forms the basis of design unit is called pixel also known as picture element. Introduction (a) Computer is information processing machine. User needs to communicate with computer and the computer graphics is one among the foremost effective and commonly used ways of communication with the user. (b) It displays the information in the form of graphical objects such as pictures, charts, diagram and graphs. (c) Graphical objects convey more information in less time and easily understandable formats for example statically graph shown in stock exchange. (d) In special effects picture or graphics objects are presented as a set of discrete pixels. In addition t...