This is a mini tutorial that explains how to map a bitmap with an alpha channel to a plane that allow you to only see the bitmap and not the alpha channel. In other words the bitmap alpha channel makes the plane transparent where its alpha channel is visible. (Enables alpha channel in view-port)
- To create a transparent plane, create a plane, and then apply a standard material to the plane.
- Second, add a composite node then connect it to the diffuse and opacity channels (connecting it to the opacity channel is what enables the transparency).
- Third, add a bitmap node and connect it to the composite layer 1 channel (the bitmap must have a alpha channel in order for it to be transparent which means you need to import a “PNG” or “TGA” image file format to see it’s transparency in the view-port).
- Last, open composite node settings by double clicking it at the top and duplicate layer 1, then for the finish touches, change layer 2 (duplicated layer) filters setting to addition or whatever you like to enhance image visibility in the view-port.
- After you do that you should be able to see nothing but the non-transparent part of your image in the view-port.
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