Page 1 of 2

Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Sat May 11, 2013 9:29 pm
by buzby
I am trying to get the palm leaves here to look right. I am sure I overlooked somethingI can get it right in C4d but it does not render right in Octane. Any ideas?

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Sat May 11, 2013 9:42 pm
by aoktar
buzby wrote:I am trying to get the palm leaves here to look right. I am sure I overlooked somethingI can get it right in C4d but it does not render right in Octane. Any ideas?
use Octane material, put imagetexture to opacity with alpha image or white/black images for opacity. Tou use alpha of image, you may change mode of imagetexture to alpha

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Mon May 13, 2013 4:28 pm
by buzby
aoktar wrote:
buzby wrote:I am trying to get the palm leaves here to look right. I am sure I overlooked somethingI can get it right in C4d but it does not render right in Octane. Any ideas?
use Octane material, put imagetexture to opacity with alpha image or white/black images for opacity. Tou use alpha of image, you may change mode of imagetexture to alpha
Sorry I am not seeing it. I tried setting the texture to Alpha but you can see the leaves do not show up.

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Mon May 13, 2013 4:39 pm
by bepeg4d
for best result don't use images directly but load the octane "image-texture" node first, in the lower field you could specify the type like image (rgb), float (grayscale) and alpha (if the image has one) ;)
ciao beppe

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Mon May 13, 2013 4:54 pm
by buzby
bepeg4d wrote:for best result don't use images directly but load the octane "image-texture" node first, in the lower field you could specify the type like image (rgb), float (grayscale) and alpha (if the image has one) ;)
ciao beppe
Thanks beppe

sorry what is the path to "load the octane "image-texture" node"? I dont see it in the materials menu

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Mon May 13, 2013 6:30 pm
by bepeg4d
think at octane nodes like c4d shaders, so if you click the arrow near the texture field, go to c4doctane/imagetexture ;)
here you can find all the octane nodes like turbulance and so on.
ciao beppe

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Mon May 13, 2013 8:07 pm
by buzby
I can get this result by putting the black and white jpg in the opacity. but I am not getting the green color

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Mon May 13, 2013 9:11 pm
by aoktar
This is proper usage for alpha png image, regards

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Mon May 13, 2013 11:25 pm
by buzby
Not sure why mine are not the same. My leaves are barely visible on the trees. I tried both of these

Re: Realistic Leaves, Use of Alpha in Octane Live Render

Posted: Mon May 13, 2013 11:45 pm
by aoktar
buzby wrote:Not sure why mine are not the same. My leaves are barely visible on the trees
octane material has limited opengl previews. Has not transparency
you miss activate mode to ALPHA