Normal Map Help

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  05 May 2013
Normal Map Help

Hi all. I am facing some problem hope someone can help me. Thank you

I apply a shader on a building

Basically this building is consist of multiple objects. These objects share the same UV space (No over lapping)

I apply a flat 128,128,255 normal on a object. however I have some areas that is darker.

this is the problem
this is what I want the top surface to look like
After applying normal map

this is how the uv space look like for this object
the flat normal map 128,128,255

I don't know why it appears like that. Shouldn't it be a flat and not appear darker in some areas?

Thank you for the time in reading this.
  05 May 2013
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