POTA [POLYNOMIAL OPTICS TO ARNOLD] is an OPEN-SOURCE camera shader for the Arnold renderer based on SPARSE HIGH-DEGREE POLYNOMIALS FOR WIDE-ANGLE LENSES [2016].
http://zenopelgrims.com/polynomial-optics-arnold/
Arnold Rendering Blog
POTA [POLYNOMIAL OPTICS TO ARNOLD] is an OPEN-SOURCE camera shader for the Arnold renderer based on SPARSE HIGH-DEGREE POLYNOMIALS FOR WIDE-ANGLE LENSES [2016].
http://zenopelgrims.com/polynomial-optics-arnold/
