[GRASS-user] exporting map display

[Anna Petrášová]

On Wed, Sep 9, 2015 at 12:43 PM, Vincent Bain <bain at toraval.fr> wrote:

> I might miss something : when I run the command I get this error :
> ERROR: No graphics device selected. Use d.mon to select graphics device.
>

hm,  in trunk, I am getting some weird error, but in releasebranch, typing
in GUI command console :

d.to.rast output=xxx

works for me. I have to look at the error.


> Is it necessary to first start a graphics monitor (which one ?) and how
> is it possible to populate this display via the GUI layer manager (and
> not commands like d.vect, d.rast...)
>
> Sorry, I guess my issue is stupid!
> Vincent.
>
> Le mercredi 09 septembre 2015 à 12:27 -0400, Anna Petrášová a écrit :
> > Hi Vincent,
> >
> >
> > if I understand your use case correctly, d.to.rast should do what you
> > want. It works in GUI. But maybe I am misunderstanding.
> >
> > On Wed, Sep 9, 2015 at 9:52 AM, Vincent Bain <bain at toraval.fr> wrote:
> >         Thanks you Anna,
> >
> >         unfortunately I understand d.to.rast cannot handle the content
> >         of the
> >         gui default display frame, which is the only display that
> >         allows me to
> >         tweak transparency.
> >
> >         My temporary fix was to :
> >         -"set computational region from display extent" ;
> >         -press the button "save display to graphic file", outputting
> >         my
> >         composition in a source.png file ;
> >         -then write down a short shell script in this flavor :
> >
> >         %------------
> >         eval `g.region -g`
> >         IFS=,
> >         size=($(identify -format %w,%h source.png))
> >         gdal_translate -gcp 0 0 $w $n -gcp ${size[0]} 0 $e $n -gcp
> >         ${size[0]}
> >         ${size[1]} $e $s source.png target.tif
> >         gcps2wld.py target.tif>target.tfw
> >         %------------
> >
> >         This method is certainly not much accurate but it provides me
> >         a fast
> >         georeferenced snapshot of a map composition.
> >
> >
> >
> >         Yours,
> >         Vincent
> >
> >
> >
>
>
>
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