Graphics Functions
- It provides users with a variety of functions for creating and manipulating pictures
- The basic building blocks for pictures are referred to as graphics output primitives
- Attributes are properties of the output primitives
- We can change the size, position, or orientation of an object using geometric transformations
- Modeling transformations, which are used to construct a scene.
- Viewing transformations are used to select a view of the scene, the type of projection to be used and the location where the view is to be displayed.
- Input functions are used to control and process the data flow from these interactive devices(mouse, tablet and joystick)
- Graphics package contains a number of tasks .We can lump the functions for carrying out many tasks by under the heading control operations.