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Rendering a homemade floor with no alpha

Question asked by Kevin Silbert on Oct 6, 2015
Latest reply on Oct 7, 2015 by Rob Rodríguez

Does anyone know if it is possible to make our own floor in SolidWorks (with a displacement map, for example) and have it render without that floor emitting alpha?

 

Specifics: I'm trying to render a boat (with some glass) in the water, and insert it into an environment image with Gimp or Photoshop. I can see how to use the Floor Shadow and Floor Reflections options in the PV 360 Scene area, then save out the Alpha channel for a layer mask, but I can't seem to find a way to have that floor have displacement that would create rough shadows/wavy reflections. The problem I'm running into is that when I make a floor out of a solid part, that "floor" part radiates Alpha, making it difficult to crop out the important part of the image. While I can make a material render nearly black by turning down all emissions, it still comes out white-hot in Alpha.

 

Thanks for any help!

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