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I want to extract the R+G and the B+A Channels separately to create 2 separate normal textures.

Hi, i created a Texture and plugged the green and red channel of two different normal maps into this one texture. The first normal map has the R and G channels and the second one has the B and the A channels. Now i want to extract the R and the G and combine it with a Vector 3 (0,0,1) to get one normal map.

how can i do that?

thank you guys in advance!

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asked Jul 29 '14 at 07:54 AM in Rendering

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FlorianNeumann
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If I understand you correctly, that would be done like this:

alt text

rgba_recombine.png (68.3 kB)
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answered Jul 29 '14 at 08:39 AM

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Xenome
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avatar image FlorianNeumann Jul 29 '14 at 08:41 AM

thank you very much!

avatar image FlorianNeumann Jul 29 '14 at 08:48 AM

one more problem i want to write it as a material function and it does not work like that...! do you have any idea? alt text

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