Alphachannel

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Garcia
Licensed Customer
Posts: 46
Joined: Wed Jan 20, 2010 9:14 am

Hi all!

today I have downloaded the last version of Octane, the 2.57. With this new version, I had in mind to do since a couple of days some tests with the alphachannel of Octane.
I haven't never tested it: after a fast look to the manual and inside the forum I have tried, but without success...

well, I have put "enabled" in the "Current Kernel", sure...and I have tested it with the three modalities:
directlighting, pathtracing and PMC..
I have done the render and saved it in .PNG, as default of Octane.
I haven't seen no way for "embedded" or "separate" the alphachannel for the final image, so I have opened a graphic program thinking to see the two channels: RGB and ALPHA.

There was only RGB...

Where am I wrong? :(

thanks for the help

Garcia

p.s. the scene is much simple: one stone on a simple rectangular surface with a HDRI around.
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roeland
OctaneRender Team
Posts: 1823
Joined: Wed Mar 09, 2011 10:09 pm

If the alpha channel is enabled the scene will be saved as an image with four channels: R, G, B and alpha. The areas where the environment is visible will be transparent in the image.

--
Roeland
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Garcia
Licensed Customer
Posts: 46
Joined: Wed Jan 20, 2010 9:14 am

Hi Roeland,

thanks for the reply.

I will do others tests today and I'll send the results

ciao

Garcia ;)
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