RE: Problem Creating PDFs with Graphics Containing Transparencies

["Dick Margulis " <margulis -at- mail -dot- fiam -dot- net>]

Connie,

I believe that through Acrobat 5, the PDF spec did not support transparency. You had to build transparent graphics in another program (Illustrator or Photoshop as appropriate) and export a flattened EPS--that is, a graphic in which any transparency had been converted into blended colors in a single layer. With anything complicated, these areas would be converted to raster images on the fly, even if they contained type and other vector components in the source file. The flattened EPS could then be distilled successfully.

Acrobat 6 allegedly does support transparency. However anyone opening the PDF would have to have downloaded the latest version of Reader, which has only been available a short while.

Dick

---------- Original Message ----------------------------------
From: "Giordano, Connie" <Connie -dot- Giordano -at- FMR -dot- COM>
Reply-To: "Giordano, Connie" <Connie -dot- Giordano -at- FMR -dot- COM>
Date:  Thu, 12 Jun 2003 09:19:25 -0400

>
>Isis,
>
>In my experience,  graphics with transparences do not PDF well.  

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