PhongE roughness problem

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  11 November 2012
PhongE roughness problem

hi guys and gals. i was wondering if anyone could help me with this.

Im using a PhongE shader and want to add a map to control the roughness, but when i input the map and render it doesnt have any effect. iv tested it using checker and that shows up in renders. the UV layout is fine so im a bit stuck. any suggestions?

thanks in advance!
 
  11 November 2012
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