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Vray problems again! Sun&Glass
I've a problem rendering an image. I have a glass tube (which is a solid, not just a surface) around some helices. I also ahve a sun/sky system set up which im quite happy with. now look on the helices (aluminium material). They've got some strange dots from the sunlight and i don't know how to get rid of them.
how has jock managed it in this rendering?
which values do i have to change so sunlight gets through properly or not at all? I can't have these dots all over the place. Oh and im using Vray for Rhino btw.
Thanks a lot in advance!
read 507 times
6/23/2010 3:57:07 PM (last edit: 6/23/2010 3:59:35 PM)
either make the sun invisible, or check 'subpixel mapping' and 'clamp output' in the color mapping properties.
read 495 times
6/23/2010 4:46:10 PM (last edit: 6/23/2010 4:46:10 PM)
or maybe uncheck 'specular' in the light control.
read 489 times
6/23/2010 4:48:47 PM (last edit: 6/23/2010 4:48:47 PM)
more than likely, you just need to clamp the output in the color mapping tab in Vray. I like clamping to around 5 or 6.
read 482 times
6/23/2010 5:18:03 PM (last edit: 6/23/2010 5:18:03 PM)
Thanks a lot guys! it worked very well with clamping.
Daniel: I use vray for rhino wich has only the ability to check or uncheck clamping. no value input possible there. i guess its okay by just having it checked. i don't have too much clue what clamping actually is anyway :-). thanks
read 471 times
6/23/2010 5:37:20 PM (last edit: 6/23/2010 5:37:20 PM)
Funnily enough you chose the one image ive done that does seem to suffer from the same thing you mention albeit not as much.You see the two splotches on the valley rafter? Thats the same issue.
I wasnt quite sure what it was or how to fix it, and in the final one i just photoshopped it out. Though weirdly i only got it in one image out of a set of 12.
So this has been a helpful thread for me too :)
read 450 times
6/23/2010 11:26:59 PM (last edit: 6/23/2010 11:26:59 PM)
rhino is always going to be behind the rest in terms of features, we keep pushing new ones and bug fixes for max and now a days maya as well.
the rest are always playing catch up unfortunately but eventually they get their deserved attention.
read 435 times
6/24/2010 9:20:01 AM (last edit: 6/24/2010 9:20:01 AM)
yap thats right bolts. rhino is a not as complex in terms of animation and stuff. i need vray mainly for product visualisation but every time it comes to rendering i totally get to know how little i know about all the settings. it's depressing.
read 430 times
6/24/2010 9:44:17 AM (last edit: 6/24/2010 9:44:17 AM)
all in due time amigo...
no one wakes up knowing everything.
read 428 times
6/24/2010 9:50:40 AM (last edit: 6/24/2010 9:50:40 AM)
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