--- ray/doc/notes/ReleaseNotes 2004/09/20 16:26:57 1.47 +++ ray/doc/notes/ReleaseNotes 2004/09/23 18:00:54 1.49 @@ -1317,3 +1317,16 @@ would deadlock upon termination. The reason it never before is because I always closed processes in the reverse order of opening them in other programs. I went through and found similar (potential) bugs in the rview device subprocess code and util/netproc.c. + +Corrected the normalization of the Gaussian reflectance model. This will +cause an increase in specularity for low-lying light sources. +Thanks to Don Walters of Boeing and Arne Duer of the Univ. of Innsbruck +for pointing out this error. The square root used for the two cosines +in the denominator of the normalization factor should not be present. +This was a serious mistake I made in the original model, which went +undiscovered (at least to my knowledge) for over a decade. I think +Bruce Walter of Cornell may have known about it, but I never heard +the details of his discovery. + +Enabled the -p option for primary conversion without tone-mapping +in ra_bmp. Also provides for XYZE input conversion to RGB.