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MathGroup Archive 2004

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Re: Exporting to gif and jpeg is tooooo slow

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52288] Re: [mg52271] Exporting to gif and jpeg is tooooo slow
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Sun, 21 Nov 2004 07:23:24 -0500 (EST)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <200411200841.DAA08772@smc.vnet.net>
  • Reply-to: murray at math.umass.edu
  • Sender: owner-wri-mathgroup at wolfram.com

For what it's worth in your situation...

In Mathematica 5.1 under Windows XP, both the gif and jpeg formats save 
essentially instantaneously, same as for pdf.  (The eps format takes 
perhaps 3 seconds more.)  Saving the whole notebook that includes that 
DensityPlot command along with several instances of the Export 
expression is also essentially instantaneous.

The situation is the same with Mathematica 5.0.1 under Windows XP.

(For comparison purposes:  my computer has 2 GB RAM and a 3.2 GHz Intel 
Pentium 4 XE.)

Geronimo wrote:
> Hi Group
> 
> I have problems with the "Export" command to gif and jpeg formats.
> 
> For example
> 
> p = DensityPlot[x+y, {x, 0, 1}, {y, 0, 1}, PlotPoints -> 30, Mesh -> False, 
>       ColorFunction -> Hue];
> 
> and then
> 
> Export["test.fmt", p, "fmt", ImageSize -> 400]
> 
> If fmt=pdf or eps, the result is instantaneous. With gif and jpeg, it never 
> ends. With lighter plots (produced by the Plot command) it works but it 
> takes a crazy amount of time.
> 
> For the same reason I cannot save a notebook in html.
> 
> I use Mathematica 4 under Linux and I have tried two different machines 
> (very different configurations: different distributions, different 
> networks...) with the same result.

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


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