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Gem Glossary

So what is this ... you keep talking about?

Alpha #: The amount of opacity. An alpha equal to 1.0 means completely opaque. An alpha equal to 0.0 means completely transparent.
Controls #: GEM objects which access the low levels of GEM, such as window managers.
Geos #: GEM objects which have a shape of some kind, such as a cube.
Manips #: GEM objects which manipulate the geos.
MarkEx #: A collection of objects which help with data manipulation, especially for usage in GEM.
Nongeos #: GEM objects which do not have an explicit shape, yet affect the rendering in some way.
OpenGL #: A graphics API which exists on many different platforms. Gem can also be used as a wrapper for openGL, allowing to program openGL without having to compile
Particles #: GEM objects which involve the particle system.
Pd #: A visual programming language for audio processing. This is the host application for GEM.
Pixes #: Image processing objects in GEM
Texture mapping #: Applying an image to a geometric object.