mohamedberry Posted February 21, 2005 Share Posted February 21, 2005 Guys tomorrow i have a deadline for this project... its a booth in an exhibition, the thing is: its my first time to use caustics and sanded glass in mental ray... i used to have a sanded glass material but now it doesnt work well with mental ray !! any suggestions on how to creat a sanded glass material quickly and how to adjust my settings (caustics) to get a good result? i'm using one skylight here and one mrspot (note that this is just low FG samples) anyway, here are what i got till now Link to comment Share on other sites More sharing options...
the white witch Posted February 21, 2005 Share Posted February 21, 2005 mohammed, go to the cgtalk thread on mr shaders,"use the search button" and download the CGTLK mr matlib.....i guessed i saw sanded glass mat there Link to comment Share on other sites More sharing options...
voltaire_ira Posted February 21, 2005 Share Posted February 21, 2005 mentalray shader diffuse slot = glass (lume) shadow slot = edge shadow ( lume) slight green tint photon slot = photon base photon base settings diffuse = glass color specular = glass color transparency = glass color or use the glass ( phenomena) shader Link to comment Share on other sites More sharing options...
mohamedberry Posted February 21, 2005 Author Share Posted February 21, 2005 well thanx guys... i'm doing the search now nnamdi, voltair... i think what u gave me will produce a clear glass right ? i need a sanded glass Link to comment Share on other sites More sharing options...
the white witch Posted February 21, 2005 Share Posted February 21, 2005 voltaire, sorry to jump in on you, i tried increasing the fg rad. and samples to remove the splothes but it didn't work...any other tips Link to comment Share on other sites More sharing options...
mohamedberry Posted February 21, 2005 Author Share Posted February 21, 2005 try to use double walls (or ceilings)... this will temporarily solve the problem Link to comment Share on other sites More sharing options...
voltaire_ira Posted February 22, 2005 Share Posted February 22, 2005 reduce transparency and add some noise in the bump slot..i think Link to comment Share on other sites More sharing options...
voltaire_ira Posted February 22, 2005 Share Posted February 22, 2005 dont forget to add some more samples when you increase fg radius. Link to comment Share on other sites More sharing options...
mohamedberry Posted February 22, 2005 Author Share Posted February 22, 2005 Thanx Voltaire for your care... and ohh i just noticed ur nice words about my work progress, many thanx it really pushed my mood up high anyway... i had to deliver that project today... here are the results (attached) Link to comment Share on other sites More sharing options...
scooter Posted February 22, 2005 Share Posted February 22, 2005 Good job Mohamed ! I like it this way. Sorry I didn't get to see it before ! Link to comment Share on other sites More sharing options...
mohamedberry Posted February 23, 2005 Author Share Posted February 23, 2005 it's ok i know we miss some posts time to time, thanx for the support dude ... i'll try to have some time to read about the DGS shaders (any suggestions where to find documentations well be nice of u) Link to comment Share on other sites More sharing options...
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