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  POV-Ray and transperancy
 
I don't know if this is much help to others, but I thought I would post it here just in case. It is just a little tutorial on adding a background image to a POV-Ray generated images using an alpha channel and Photoshop. It would be easier to just (...) (21 years ago, 5-Sep-03, to lugnet.cad)
 
  Re: POV-Ray and transperancy
 
(...) transparency channel of a PNG file, then Photoshop should natively import this into its own transparency channel, and you should be able to simply add the background as a layer behind the main layer. For an example, download the following (...) (21 years ago, 6-Sep-03, to lugnet.cad)
 
  Re: POV-Ray and transperancy
 
(...) Yeah. I wrote the webpage because I needed an alpha channel. Mainly, Mac OS X's window server uses alpha channels to calculate transparencies, so if I wanted to add a background to the image, but not the entire image, I had to use alpha (...) (21 years ago, 6-Sep-03, to lugnet.cad)
 
  Re: POV-Ray and transperancy
 
(...) Well, the transparency in PNG files really is just an alpha channel. It might not be called that, but it's 8 bit just like your standard alpha channel in TIFF and others. For whatever reason, Photoshop treats it as transparency while treating (...) (21 years ago, 7-Sep-03, to lugnet.cad)

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