--- ray/doc/notes/ReleaseNotes 2007/12/13 07:03:37 1.142 +++ ray/doc/notes/ReleaseNotes 2008/01/24 23:15:46 1.143 @@ -1646,3 +1646,9 @@ Added -c option to rtcontrib to facilitate cumulative Added ability to incorporate LBNL Window 6 bidirectional scattering distribution function (BSDF) data in mkillum. + +****** COMPATIBILITY CHANGE ******** +Fixed long-standing bug in source.cal, which caused it to produce +reversed anisotropic photometric distributions due to the +misorientation of the y-axis. Thanks to Zack Rogers for discovering +and helping debug this problem.