Re: [Gimp-user] Gimp Vs Mathematica handling EPS files

2005-07-19 Thread Michael Schumacher
> Von: "Paulo Jorge de Oliveira Cantante de Matos" <[EMAIL PROTECTED]>

> I'm quite surprised with some results. I had some mathematica
> plots which I just exported into EPS and inserted into a LaTeX
> document. They are excellent. One of them I had to edit so I
> used Gimp and when I saved in EPS, the result was terrible.
> Alot of alias. I do imagine its about resolution but I'm not
> sure. Has anyone had a similar issue? Can someone help me out
> edit a EPS image in Gimp with at least comparable results of
> Mathematica?

Does Mathematica write vector or bitmapped images?


Michael

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Re: [Gimp-user] Gimp Vs Mathematica handling EPS files

2005-07-19 Thread Jonathan Bartlett
> I'm quite surprised with some results. I had some mathematica
> plots which I just exported into EPS and inserted into a LaTeX
> document. They are excellent. One of them I had to edit so I
> used Gimp and when I saved in EPS, the result was terrible.
> Alot of alias. I do imagine its about resolution but I'm not
> sure. Has anyone had a similar issue? Can someone help me out
> edit a EPS image in Gimp with at least comparable results of
> Mathematica?

I think the issue is vector versus raster.  GIMP is a raster program.
Since Mathematica is dealing with the curves directly, it probably simply
translates the equations into a vector, which can then be handled by
Postscript native elements, and likewise, TeX.

You can definitely make this better by increasing the resolution.  I would
suggest 300DPI as a starting point.

Jon
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Re: [Gimp-user] Gimp Vs Mathematica handling EPS files

2005-07-19 Thread Simon Budig
Paulo Jorge de Oliveira Cantante de Matos ([EMAIL PROTECTED]) wrote:
> I'm quite surprised with some results. I had some mathematica
> plots which I just exported into EPS and inserted into a LaTeX
> document. They are excellent. One of them I had to edit so I
> used Gimp and when I saved in EPS, the result was terrible.
> Alot of alias. I do imagine its about resolution but I'm not
> sure. Has anyone had a similar issue? Can someone help me out
> edit a EPS image in Gimp with at least comparable results of
> Mathematica?

No.

Basically what happens when you import an EPS file into GIMP is that it
gets rasterized, since Gimp can only handle pixel based images. So Gimp
is the wrong tool to edit EPS files.

You might want to try to use pstoedit and then use e.g. inkscape or SVG
to edit the result.

Bye,
Simon

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