[GRASS-user] dpi output from ps.map

[Vincent Bain]

May this post help you :

http://lists.osgeo.org/pipermail/grass-dev/2011-December/057095.html

Good luck,
Vincent

Le samedi 14 juillet 2012 à 20:14 +0200, Markus Metz a écrit :
> On Sat, Jul 14, 2012 at 3:14 AM, Gerald Nelson <nelson.gerald at gmail.com> wrote:
> > We need to have a raster eps or pdf that has a dpi of 300. Reading through
> > the old list entries it appears that ps.map had a hard coded limit of 75
> > dpi.
> 
> The spatial detail represented in the output of ps.map is defined by
> the resolution of the current computational region. You can test that
> by changing the resolution of the current computational region.
> 
> If you want to edit eps files created by ps.map in other software,
> that other software usually asks for the dpi to use. If that other
> software does not ask for the dpi settings, use a different software
> that can import eps files ;)
> 
> When you convert eps to pdf, e.g with ghostscript, you can control the
> dpi settings with -dPDFSETTINGS. Max dpi is here 300.
> >
> > Is this possible to change?
> You might need to check the manual of the software you use to convert
> eps to pdf.
> >
> > Or is there some way to get an eps file that Adobe Illustrator thinks is 300
> > dpi?
> 
> I don't know Adobe Illustrator, but Gimp asks you for the dpi when
> importing an eps file. That is, you can import the same eps file with
> different dpi's to GIMP and decide what meets your requirements best.
> Then you could save the file in a format that Adobe Illustrator
> understands and where Adobe Illustrator does not automatically change
> the resolution.
> 
> HTH,
> 
> Markus M
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