OpenGL for Not Yet Techies

"Computer Careers: Using This Software Interface for Graphics Hardware"

by Richard Stooker, President Info Ring Press and author of Secrets of Changing to a Computer Career

OpenGL / Open Graphics Library is a software interface for graphics hardware. It is the standard API / Application Program Interface for defining two dimensional and 3-D images. OpenGL / Open Graphics Library can create images and interactive graphics. It renders 2D and 3D images into a frame buffer.

Thanks to OpenGL / Open Graphics Library, a software application program can create the same graphics effects in any operating system using the proper adapter.

OpenGL / Open Graphics Library supports:

3D Texture Mapping
Multitexturing
Mysmapped Textures
ARB (Architecture Review Board) Extensions
Hidden Surface Removal
Alpha Blending (Transparency)
Antialiasing
Pixel Operations
Viewing and Modeling Transformations
Atmospheric Effects

All objects can be displayed as sequences of vertixes or sequences of pixels (one dot of light on your computer screen). You define a primitive, which is a point, line segment or polygon.

OpenGL has 180 functions. It comes with a Utility Library (GLU) and Extensions to X Windows Systems (GLX).

Next: RUP Rational Unified Process

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