Cove lighting
What's the most efficient way to create it? Linear lights or bright geometry? Should I actually try to light the room with it or supplement with...an area light?See More
jim.carruthers's Discussions
Cove lighting
4 Replies
What's the most efficient way to create it? Linear lights or bright geometry? Should I actually try to light the room with it or supplement with...an area light?Continue
Started this discussion. Last reply by jim.carruthers yesterday.
Simulation of translucent plastic
6 Replies
I want to as accurately as possible simulate lights shining through not-quite-transparent coloured plastic. The manual says the wax shader is the way to go, and it looks like with a bunch of fiddling…Continue
Started this discussion. Last reply by Brian James Feb 16.
Help file scene
1 Reply
The scene with some sort of lens used in the help file to illustrate caustic photons, would it be possible to get that file?Continue
Started this discussion. Last reply by Alan Crighton Feb 13.
Dome light bug
It seems that when I add additional dome lights to a scene, they all get put on the same layer wherever the first one got put, and you can't (well can't "actually") move them from layer to layer. Due…Continue
Started Feb 10
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jim.carruthers replied to jim.carruthers's discussion 'Cove lighting'
loooks like area lights(linears don't do photons, typo)with photons do alright at lighting up the space with all indirect light...though linear lights looked better in the "coves" at first blush.
jim.carruthers replied to jim.carruthers's discussion 'Cove lighting'
Just GIS "cove lighting." I tried linear lights first and got (just using QMC) disco-light GI that wouldn't go away no matter how insane I set the settings. I'm trying replacing the linear lights with area lights right…
Brian James replied to jim.carruthers's discussion 'Cove lighting'
Hi Jim,
What kind of lighting are you looking for? Do you have a reference image?
jim.carruthers replied to jim.carruthers's discussion 'Cove lighting'
It's not for a super-realistic simulation, just has to get the idea across...
Brian James replied to jim.carruthers's discussion 'Simulation of translucent plastic'
I only use GI photons for interior renderings. Mainly because of the issues you've encountered with varied material types in combination scattering light splotches. This seems connected in my experiments to HDR environments as well as some…
jim.carruthers replied to jim.carruthers's discussion 'Simulation of translucent plastic'
Well it turns out that enabling caustic photons has no apparent effect on the rendered result, in this case anyway, except to greatly increase the render time. In trying to get rid of the splotchy GI I've cranked up the photon settings to the…
jim.carruthers replied to jim.carruthers's discussion 'Simulation of translucent plastic'
Next question with this...I've got a translucent material that looks not bad, but I've got a lot of disco light effects in the renders from something being off in the photon settings...but darned if I know if it's the GI or caustics…
jim.carruthers replied to jim.carruthers's discussion 'Simulation of translucent plastic'
Well to try to figure this out I'm rendering a test of a part that I do have in reality and while I can't compare a crystal-clear plastic to translucent I can compare translucent plastic (a cloudy "clear" plastic) to no housing,…
jim.carruthers replied to jim.carruthers's discussion 'Simulation of translucent plastic'
Hi Brian,
Yeah I added SSS to a BAM and it seems to look okay, though yes I need to crank down the sampling or it takes forever. My concern about SSS and photons is that from what I can tell so far the photons seem to ignore the SSS, the objects…
Brian James replied to jim.carruthers's discussion 'Motion blur'
Hi Jim,
This feature requires Bongo v1 to be installed before the option is visible.
Brian James replied to jim.carruthers's discussion 'Simulation of translucent plastic'
I think the wax shader method will work for you Jim but the sample rate as you know will effect render time. Keep it as low as possible. The depth for light to penetrate should also be set in relation to the actual size of the model. For a…
Alan Crighton replied to jim.carruthers's discussion 'Help file scene'
Jim,
I assume this is what you're looking for, it's on the legacy website:
Alan
Alan Crighton replied to jim.carruthers's discussion 'Improving compositing'
Hi,
I've found the following to be useful for HDRI's.
http://www.hdrlabs.com/sibl/archive.html
Here you will find that scene under 'Old Industrial Hall'. Be careful, these are LARGE files to download.
HDRI…
agesandros replied to jim.carruthers's discussion 'Improving compositing'
ohhhh....great rendering...
i love lamborghini cars!!!
where can i find that background...it's really suitable for my "Urban"scene
i think,the result is depending from background type and its quality!!!
i tried to put an…
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