Craig Ramsay Posted February 4, 2003 Share Posted February 4, 2003 I am doing architectural rendering using brazil. Im just a noobee to brazil so could someone explain to me how I can get quick, good quality GI in my scenes? I can get very nice renders with GI but they take a long time. I did the brazil photon tutorials but I really dont understand this method of lighting. What I want to know is can GI and photon mapping be mixed to get fast, smooth GI results just like V-ray? If so, could someone explain how to set this up? Thanks in advance Craig Link to comment Share on other sites More sharing options...
mzagorski Posted February 4, 2003 Share Posted February 4, 2003 Craig, If your using Photons in Brazil then I assume your using 1.0 - Splutterfish should be able to answer your questions via client support... no? Link to comment Share on other sites More sharing options...
Craig Ramsay Posted February 4, 2003 Author Share Posted February 4, 2003 Yeah I just thought I would ask the users first buddy Link to comment Share on other sites More sharing options...
AHaidar Posted February 4, 2003 Share Posted February 4, 2003 Craig Could you post some information on your render settings and lighting setup as well as a small image. That would make it easier to track down what is causing the long render times. AH Link to comment Share on other sites More sharing options...
david whiting Posted February 4, 2003 Share Posted February 4, 2003 Craig If you're doing an exterior rendering I can share my settings for combined GI/photon in Brazil for waht they're worth. I'm just getting started with Brazil I'm not as happy with my interior settings and won't be able to help you there Let me know what you think is a 'long time' and whether or not you have glass in your model David Link to comment Share on other sites More sharing options...
Craig Ramsay Posted February 5, 2003 Author Share Posted February 5, 2003 Thanks for the reply guys I will get something posted soon. I seen to have the same problem that the guy that wrote the other recent brazil post has. Basically I can get very nice results with GI if I set my bounces high and view rate to about 45 in the luma server but it takes forever to render. I just want to know if photons can reduce my rendertimes but still give me that smooth diffuse GI look Craig Link to comment Share on other sites More sharing options...
Nick Nakadate Posted February 5, 2003 Share Posted February 5, 2003 Typically tweaking photons will get you better results than cranking bounces... Link to comment Share on other sites More sharing options...
Craig Ramsay Posted February 6, 2003 Author Share Posted February 6, 2003 Hey David that's a good start! The scene seems to have a slight glow to it tho and if you look at the far wall of your building, there seems to be light bits that should really be in shadow :???: Keep working on that scene tho buddy Link to comment Share on other sites More sharing options...
david whiting Posted February 6, 2003 Share Posted February 6, 2003 Hi Craig For what it's worth I took an unfinished model of mine (1930's garage on an old gas plant site)and tried out photon mapping of the interior last night and am happy with the first results in terms of light levels. The model has only a few materials at this time (concrete floor, gravel and painted steel windows) and will look better with more materials. http://www.cgarchitect.com/forum/filepush.asp?file=030204_INT_3.jpg rendered in VIZ4/BRAZIL-1.0.5 BLight One directional light, intensity 2, #photons 1,000,000 (it's a big site), power 2 Luma Server Indirect, skylight, Shade rate 0/0, bounces 2 Photon Map Server photons in estimate 100, max.search radius 800m I'll try and send it to the Brazil Forum in the morning and see what they say about improving it render time 1:53:13 on a Xeon Dual 1.8 GHZ with 1 Gig Ram I'd be interested in seeing how your managing with Brazil on interiors. Cheers, David Link to comment Share on other sites More sharing options...
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