Alex Ryan Rubio Posted August 8, 2003 Share Posted August 8, 2003 Just finished a render in vray that took me 6 hours.. photometric lights, reflective surfaces, etc. i know i have a lot more to learn. after 6 long hours, the finished render showed bright spots. anybody know what causes these? any way i can optimize my settings for faster render? here are my settings: Link to comment Share on other sites More sharing options...
Alex Ryan Rubio Posted August 8, 2003 Author Share Posted August 8, 2003 forgot to highlight problem areas.. bright spots im talking about are mostly in the floor area near the chairs. Link to comment Share on other sites More sharing options...
Diego Rosales Posted August 8, 2003 Share Posted August 8, 2003 I have seen similar problems and the reason is usually raytraced maps/materials conflicing with vray's raytracer. I'm not sure about your settings, but you could check that out. Link to comment Share on other sites More sharing options...
Alex Ryan Rubio Posted August 8, 2003 Author Share Posted August 8, 2003 all materials used were vray mats.. do you mean to say there are incompatibilities between vrays raytacer nad materials built especially for it? Link to comment Share on other sites More sharing options...
Diego Rosales Posted August 8, 2003 Share Posted August 8, 2003 Using VIZ/MAX raytrace maps to control reflections/refractions WITHIN a VRay material is what creates strange color errors. I suppose both raytracers (native VIZ and VRay) overlap during rendering and creates unexpected results. So basically, if you're using VRay get rid of any raytrace maps you might have. Check this thread: http://www.cgarchitect.com/ubb/ultimatebb.php?ubb=get_topic;f=11;t=000256 Link to comment Share on other sites More sharing options...
Tony Posted August 8, 2003 Share Posted August 8, 2003 The long render time may be due to the photometric lights and the number of them used in the scene. I have tested them versus vray lights and they take quite a bit longer to render in my test scenes. You can also use hsv exponential color mapping and lower the bright multiplier to get rid of the hot spots. You can also use the dark multiplier to do away with some of the lights in the scene. It will increase the light in darker areas of your scene. Link to comment Share on other sites More sharing options...
Da_RoCk Posted August 10, 2003 Share Posted August 10, 2003 Hi, na try mo na bang tignan sa Object Settings? Why dont you try to reduce the Transmit GI sa Material ng wall? Im really not sure, pero sa nakita ko, nag reflect ba yung wall, kasi medyo shiny ng kaonte. Basta, Try yung Object Settings sa System roll out ng Render Dialog... Hope this helps. Link to comment Share on other sites More sharing options...
Da_RoCk Posted August 10, 2003 Share Posted August 10, 2003 Or baka sa overide relfect/ refract or etc... tyr i lower mo ng kaonte. Link to comment Share on other sites More sharing options...
Alex Ryan Rubio Posted August 10, 2003 Author Share Posted August 10, 2003 hey darock, thanks.. il give it a try mamaya. have you been using vray for renders? i would love to see your works. Link to comment Share on other sites More sharing options...
Arnel Posted August 10, 2003 Share Posted August 10, 2003 Hi Alex, the way i look at your image it seems that you have overlapping reflective material, what i mean is that if you are using vraymat it is by itself already reflective/refractive material and then most likely you also used vray map or max raytrace map on top of it. Pare email mo sa akin light set-up mo tsaka material set-up baka makatulong ako. Regards Link to comment Share on other sites More sharing options...
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