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Houdini Quicktip – Adding Alpha Maps To Principled Shader

Hey guys,
So just a short one this time.
Nothing too complicated, but something that caused me issues when I was trying to do something like this a while ago.

I thought it was weird that the new principled shader didn’t have settings for alpha build in by default even though it does pick up on it in the openGL view, so I thought i’d go ahead and record a little tutorial on how to add that that. I’m showing how to make a system that let’s you either use image alpha, or a seperate alpha map. Let me know if you have any questions.
Here is the HIP file:
drive.google.com/file/d/0B8bT5KFJbL_iNEVDQ1cwYlZwcXM/view?usp=sharing

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