What direction should be UE4 Normal map R and G

Development Rendering
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1

I was wondering what direction the highlights are suppose to come from. Is it from the right in Red and from the bottom in green?

Thanks in advance just want to make sure.

2

Hey Marsassassin -

You are correct the Red Channel should highlight from the Right and the Green Channel should Highlight from the bottom.

Thank You

Eric Ketchum