[GRASS-dev] Re: gis.m: how to create high-resolution graphics file ?

David Finlayson david.p.finlayson at gmail.com
Wed May 24 20:33:13 EDT 2006


With res= >1 though, the rescaling of the map decorations and text is strange.

David

On 5/24/06, Joel Pitt <joel.pitt at gmail.com> wrote:
> Correct me if I'm wrong but isn't that the function of the res parameter?
> I think res=4 outputs a png at 4 times the current display size.
>
> d.out.png --help
> Description:
>  Saves active display monitor to PNG file in home directory
> Usage:
>  d.out.png output=string [res=value]
> Parameters:
>   output   Name of PNG file
>      res   Resolution of output file (single=1, double=2, quad=4)
>            default: 2
>
>
> On 5/25/06, Michael Barton <michael.barton at asu.edu> wrote:
> > Moritz,
> >
> > In terms of raster, you can only get what is in the display. That is, you
> > can't get higher resolution than you can see. This is pretty good if you
> > expand the display to your full screen, but it may not be enough for what
> > you want I suppose.
> >
> > Under the print menubutton, you can export to eps. This is a high as it
> > gets. There is text in eps format--so it will look very good--but vectors
> > are still rendered on-screen as rasters. This is a function of the GRASS
> > display libraries/functions. It would be nice to have vectors rendered as
> > vector objects, of course, but this will take some rewriting. OTOH, this is
> > the direction we are trying to take the GUI/display architecture.
> >
> > Michael
> > __________________________________________
> > Michael Barton, Professor of Anthropology
> > School of Human Evolution & Social Change
> > Center for Social Dynamics and Complexity
> > Arizona State University
> >
> > phone: 480-965-6213
> > fax: 480-965-7671
> > www: http://www.public.asu.edu/~cmbarton
> >
> >
> > > From: Moritz Lennert <mlennert at club.worldonline.be>
> > > Date: Wed, 24 May 2006 22:54:46 +0200
> > > To: Grass Developers List <grass-dev at grass.itc.it>, Michael Barton
> > > <michael.barton at asu.edu>
> > > Subject: gis.m: how to create high-resolution graphics file ?
> > >
> > > Hello,
> > >
> > > I am trying to export a high resolution jpeg or ppm from the map
> > > display, but I just can't seem to find a way to do this. All I get are
> > > fairly low resolution files. Have I missed something ? How can I
> > > configure this (beyong chosing jpeg quality) ?
> > >
> > > The same goes for printing to eps or pdf.
> > >
> > > Moritz
> >
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> >
>
>
> --
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>                 -- Aeschylus
>
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-- 
David Finlayson




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