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The purpose of the software RealGal is to generate ``realistic’’ cosmological movies of galaxies via raytracing, while relying (transparently) on public domain softwares: pov-ray,yorick, mpeg_encode. It makes use of a library of (automatically generated) 3D-icons in df3 format (which can be replaced by user-provided ``improved’’ cubes). It also requires knowing (or guessing) the position, luminosity, age and size of the objects. The ray tracing is carried within povray, hence it has the flexibility and limitation of this software. It may run in parallel, using the mpi version of pov-ray. This document describes the main features of RealGal, together with a rapid tutorial a a wish list for future features. It is a component of the HORIZON project, and inherits its copyrights and distribution policy.
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Download the documentation in pdf