BioHackersNethttp://public.kitware.com/VTK/index.php
The VTK is an OpenSource, freely available software system for 3D ComputerGraphics, ImageProcessing, and visualization used by thousands of researchers and developers around the world. VTK consists of a C++ class library, and several interpreted interface layers including TclTk, Java, and Python.
OpenGl보다 훨씬 편리하고 자세한 인터페이스를 OOP형태로 제공한다.