C4D Render Mask

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C4D Render Mask

Postby liquidambarcake » Thu Nov 26, 2015 4:14 pm

liquidambarcake Thu Nov 26, 2015 4:14 pm
Hi there,
Sometimes I use a Foreground object with a mask texture to mask out certain areas at rendertime. This works perfectly in de Cinema native renderer, However, I can't seem to find a similar function in Octane. Is this at all possible? I've tried to convert the material to an Octane material, but that doesn't work.

Any suggestions are welcome!
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Re: C4D Render Mask

Postby bepeg4d » Fri Nov 27, 2015 9:27 am

bepeg4d Fri Nov 27, 2015 9:27 am
Hi,
no, in Octane there is not a Foreground option like C4D.
A workaround is to create a plane that fits to the FOV of the camera, but it could be a bit tricky because of the DOF :roll:
Before that the Render Region option was available, I have used this trick a lot for cutting render times.
ciao beppe
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Re: C4D Render Mask

Postby bubimude » Tue Dec 01, 2015 7:57 pm

bubimude Tue Dec 01, 2015 7:57 pm
There is an option to turn any material into a "matte". Its a checkbox right above smooth. If you applied this to a plane or sphere, and then used the opacity channel to define which areas to cut out, this might work.
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