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MathGroup Archive 2005

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Re: Problems with eps format

  • To: mathgroup at smc.vnet.net
  • Subject: [mg56756] Re: Problems with eps format
  • From: AES <siegman at stanford.edu>
  • Date: Thu, 5 May 2005 06:01:43 -0400 (EDT)
  • Organization: Stanford University
  • References: <200505020532.BAA00325@smc.vnet.net> <200505030926.FAA25654@smc.vnet.net> <d59klr$6dh$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

In article <d59klr$6dh$1 at smc.vnet.net>,
 Chris Chiasson <chris.chiasson at gmail.com> wrote:

> Why import a tif into Mathematica and then export it as an eps? Tif is
> a raster format, eps is a ~ vector format. It probably would take a
> long time to convert an array of color values into some sort of vector 
> graphics.
> What is the native resolution of your tiffs? If they are moderate in
> size, that would explain the slow performance of the graphics array
> and associated statements.

I'm no expert on this, but my impression is that if you export a raster 
image into eps (JPEG for sure, TIFF likely) with most graphics programs 
you get just the raster image inside some EPS wrappings -- there's no 
"conversion" of the image itself to any kind of vector format.

Am I wrong on this?  (as a general proposition, and for Mathematica in 
particular)


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