Maya for 3D Printing - Rapid Prototyping
In this course we're going to look at something a little different, creating technically accurate 3D printed parts.
# 1 20-12-2014 , 12:20 AM
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Issue: Arnold Batch Render with Alpha Channel

When batch rendering with Arnold Render(1.1.0.3) in Maya 2015 (Windows 7), I get an alpha channel rendering a single frame. When batch rendering an entire animation i do not get the alpha channel in the images to composite. Any help would be appreciated.

# 2 20-12-2014 , 08:04 AM
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which image type are you rendering?

# 3 20-12-2014 , 06:14 PM
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Initially I used .png, it didnt worked. Then I tried .tiff and that still did not work.

# 4 21-12-2014 , 10:44 PM
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i'm having the same trouble.

# 5 21-12-2014 , 10:46 PM
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single frame renders alpha well, but when batch rendering, it shows black background

# 6 14-02-2015 , 01:33 AM
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I have exported as .exr and the alpha channel is there.

# 7 25-08-2015 , 02:25 PM
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tif seems to work fine also. There is something wrong with the png´s alpha. Even with standard materials matte it doesnt work.

# 8 16-02-2017 , 12:52 PM
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tif seems to work fine also. There is something wrong with the png´s alpha. Even with standard materials matte it doesnt work.

Great! Thanks!

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