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MathGroup Archive 2007

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Re: version 6 Plot3D exporting results in HUGE files

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80597] Re: version 6 Plot3D exporting results in HUGE files
  • From: ragfield <ragfield at gmail.com>
  • Date: Sun, 26 Aug 2007 23:09:05 -0400 (EDT)
  • References: <fardul$b6r$1@smc.vnet.net>

On Aug 26, 3:34 am, J Davis <texasAUti... at gmail.com> wrote:
> I did the following in v6.0.1 (which I will refer to as v6 hereafter):
> generated a surface using the Plot3D command, clicked on the resulting
> surface graphic, then Save Selection As > EPS.
>
> The resulting EPS file was over 4400 KB!


The root of the problem is that most 3D plotting functions in
Mathematica 6 produce graphics that contain features that are not
(well) supported by EPS or PDF, most notably VertexColors.
Mathematica therefore has a few different ways to deal with this
problem, none of them ideal.  Click on the "Options..." button in the
"Save Selection As..." dialog to see the following choices for
graphics containing VertexColors and Opacity:

* Use Bitmap Representation.  This matches what you see in Mathematica
exactly, but produces large files that are resolution dependent
(albeit at a fairly high resolution).  This is what you're probably
seeing.

* Use Highest Quality Vector Representation.  This should match what
you see in Mathematica nearly exactly, but it will not be compatible
with all viewer applications.  For PS/EPS this uses PS level 3
features.  For PDF it uses features that are not supported by Apple's
PDF engine prior to Mac OS X 10.5.

* Use Most Compatible Vector Representation.  This will not exactly
match what you see on screen in Mathematica, but it will produce a
small file that works in all viewers.

-Rob



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