POV-Ray


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POV-Ray

(Persistence Of Vision Raytracer) A popular freeware ray tracing program for DOS, Windows, Mac and various Unix platforms from the Persistence of Vision development team. The program and source code are available at www.povray.org.
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POV-Ray works with objects described through spheres, surfaces and cylinders are mathematically.
PoV-Ray does not perform any kind of "collision detection", which means that fibres can touch or overlap/ penetrate each other.
The use of constructive solid geometry is the major advantage of PoV-Ray here, as it allows us to first generate the whole structure (or cube) and then "cut" the slices.
There are other free and open-source renderers or raytracers besides PoV-Ray: Blender, Art of Illusion, Pixie, Aqsis, and YafaRay.
7) in PoV-Ray and analysed with ImageJ's particle analysis.