flat material

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Re: flat material

Postby Andygraph3D » Thu May 23, 2013 11:39 am

Andygraph3D Thu May 23, 2013 11:39 am
I would like to add a texture (a photo), which has already its own true shadows and do not want to edit them with those of octane render
a way would do everything in compositing but I would avoid ...
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Re: flat material

Postby face_off » Thu May 23, 2013 11:26 pm

face_off Thu May 23, 2013 11:26 pm
If you want to render an object and overlay it onto a photo background, use the "kernel"->"alphachannel" -> enable. Then render and save the resulting image to PNG. Then load into Photoshop/GIMP and overlay it onto your photo.

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Re: flat material

Postby bicket » Fri May 24, 2013 6:11 am

bicket Fri May 24, 2013 6:11 am
The only way to have flat material with texture is to use Direct light with Ambient or Sample environment => no shadows but for the whole scene so you have to do some compositing.
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Re: flat material

Postby roeland » Fri May 31, 2013 12:57 am

roeland Fri May 31, 2013 12:57 am
One thing to keep in mind is that Octane doesn't support screen mapping a texture.

To make an object with a texture which is not affected by any lighting, use a diffuse material with diffuse reflection 0.0, then add an emission node and put your texture into the efficiency/texture slot.

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Re: flat material

Postby kavorka » Fri May 31, 2013 12:31 pm

kavorka Fri May 31, 2013 12:31 pm
I would suggest using your 3D package to render without shadows. I do not think that Octane is set up to do this.
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