Colleagues

Running R2.2.1 on either a Linux (RedHat 9) or Mac (10.4) platform.

I created a PDF document using pdf("FILENAME.pdf", bg="transparent",  
version="1.4").  I then imported the graphic into PowerPoint -  
background was set to a non-transparent color.  I was hoping that the  
inserted graphic would be transparent - instead, it had a white  
background.

The help pages indicate:

      The 'version' argument modifies the sort of PDF code that gets
      produced.  At the moment this only concerns the production of
      transparent output.  The version must be greater than 1.4 for
      transparent output to be produced.  Specifying a lower version
      number may be useful if you want to produce PDF output that can be
      viewed on older PDF viewers.

The archives reveal the following:
> From: Benno Ptz <puetz>
> Date: Thu Nov 4 14:20:28 2004
> Hello,
>
> I have run across the following problem:
>
> Creating PDF files manually by using
>
> pdf(version=1.4)
>
> I can make graphs using the new transparency feature of R2.0.
Note that I used version 1.4.  Attempts to use larger numbers (1.5,  
2.0, etc.) resulted in error messages:

Error in pdf("FILENAME.pdf", bg = "transparent",  :
         invalid PDF version

I also attempted to address this with par(bg="transparent") without  
success.

Does anybody have any ideas?

Dennis


Dennis Fisher MD
P < (The "P Less Than" Company)
Phone: 1-866-PLessThan (1-866-753-7784)
Fax: 1-415-564-2220
www.PLessThan.com



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