pbrt

Physically based rendering
http://pbrt.org/

Current version
2.0.342

pbrt requires the following formulae to be installed:
openexr 2.2.0 High dynamic-range image file format
flex 2.6.4 Fast Lexical Analyzer, generates Scanners (tokenizers)

Formula history

Nikolaus Wittenstein Add descriptions to all remaining homebrew packages
Jack Nagel pbrt: add flex dep
Jack Nagel Convert remaining github tarball URLs to archive URLs