farzad_moshiri Posted August 28, 2012 Share Posted August 28, 2012 Hi guys I've got an odd problem regarding the "alpha channel" produced during a rendering. RGB and Alpha channels are attached to this post. Would you please tell me the solution to this problem, if you have any idea? Thanks in advance Link to comment Share on other sites More sharing options...
salvador Posted August 29, 2012 Share Posted August 29, 2012 Try rendering without materials and see what comes out. Link to comment Share on other sites More sharing options...
Corey Beaulieu Posted August 29, 2012 Share Posted August 29, 2012 Your Alpha channel has the same pattern as your grunge material on top of your concrete. I would start there. Link to comment Share on other sites More sharing options...
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