3D Graphics, Animation, Rendering
3D computer graphics are different from 2D computer graphics in that a three-dimensional representation of geometric data is stored in the computer for the purposes of performing calculations and rendering 2D images.
Rendering is the final process of creating the actual 2D image or animation from the prepared scene. This can be compared to taking a photo or filming the scene after the setup is finished in real life.
From : http://en.wikipedia.org/wiki/3D_graphics
YafRay
YafRay is a powerful raytracer, under the LGPL license. It enables you to create fantastic images and animations of a photorealistic quality.
Modular framework
Yafray features modular structure, with a micro kernel with which the rest of the render elements connect: scene loader, lights and shaders.
Integration in 3d suites via plug-in
Thanks to its API (Application Programming Interface) and its modular structure, it is possible to develop rendering plug-ins, making it possible to use Yafray from any program or 3D suite. Nowadays, suites as Blender, Wing3D or Aztec take advantage of this feature.
Platform independent
Yafray has been fully developed using C++. This accounts for great portability and there are today precompiled binaris for the most common platforms: GNU/Linux, Windows 9x/XP/2K, Mac OS X and Irix.
Stand-alone render engine Appart from the possibility of integration with other 3D modeling programs, Yafray is an independent program, which features its own scene description format. This way it can be used from the command line directly, by a script, etc. This technique is in fact used by some scripts for MAX, GMAX and Blender.
Distributed and multithread render It is possible to render in a paralel or distributed fashion with Yafray. One can take advantage of the simultaneous use of every present CPU with the multithread rendering, as well as of some of the Intel Pentium's IV hiperthreading feature. Besides, rendering can be multi-process, for it to be done on MOSIX clusters.
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YafRay
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