Light - The user can specify the location of a single light source. The user can specify a roll angle about any axis in space. Depth Buffer - The user can control hidden surfaces by specifying an 8 or 16 bit software depth buffer for any output device. Perspective - The user can turn perspective on or off. Hidden Surfaces - The user can force the display of backfacing polygons.
Patterns can be white on black or black on white.
Origin - The user can specify the point in the scene at which to look. Shade Function - The user can specify a function to control the color on a surface. Exponent Graphics is completely self-contained and does not require any third party software. To use Exponent Graphics you must write an application program in a language compatible with Fortran. The application is then compiled and linked with the appropriate object libraries to produce an executable program.