--- ray/doc/notes/ReleaseNotes 2005/06/14 22:23:31 1.87 +++ ray/doc/notes/ReleaseNotes 2005/08/22 21:54:41 1.95 @@ -1382,7 +1382,7 @@ care to support officially due to its machine-dependen Fixed bug that caused incorrect reporting of non-surface in set when mixing meshes and instances. (Thanks to Jack de Valpine for discovery.) -Fixed innacuracy in calculation of diffuse transmission in the presence +Fixed inaccuracy in calculation of diffuse transmission in the presence of pure specular (Fresnel reflection) using "trans" material. Thanks to Christoph Reinhart for pointing out the error. @@ -1483,3 +1483,29 @@ Fixed truly ancient bug in bounding box computation fo could (and did) cause missing segments. Added -z option to normtiff to output LZW-compressed files. + +Last change to total causes it to produce results when it sees an empty +line on the input. This was not intentional, but I decided I like this +behavior so I documented it rather than changing it. + +===================== +Version 3.8 + +Fixed Russian roulette ray termination, which was doing the opposite of +what it should have been doing, resulting in overestimated values below +minimum ray sampling weight (serious). + +Changed mksource to use 98th percentile (rather than 99th) for threshold. + +(Above changes included in 3.7.1 patch release.) + +Eliminated writing of EXPOSURE= line in ra_tiff -r when source TIFF +does not have STONITS set. + +Fixed bug in ambient calculation that caused black values for multiple +bounces in some scenes. Thanks to Mark Stock for creating and sharing +the sophisticated test scene that demonstrated this problem. + +Fixed bug in antimatter using Russian Roulette sampling. + +(Above changes included in 3.7.2 patch release 22 Aug 2005.)