[GRASS-dev] WxPython front-end to ps.map

[Jáchym Čepický]

2007/2/8, Glynn Clements <glynn at gclements.plus.com>:
> >
> > For the future, it would be good to improve d.vect to be able to
> > display e.g. dashed lines
>
> That's an architectural change. I really don't want to see the
> existing graphics system (libraster etc) improved. It's long overdue
> to be replaced with something better. Unfortunately, the problem with
> a better API is that it's the interface which needs to change, rather
> than just the implementation. And that involves re-writing a lot of
> d.* modules.

well, I was only thinking on easier coding of GUI for ps.map, so that
the user could see the preview of the result.

>
> > and so on and to improve ps.map so it is possible to work with
> > multiple raster tiles and so on.
>
> Are you talking about overlaying raster maps? One thing to bear in
> mind here is that you need level 3 PostScript for masked images
> (images with transparent pixels), and there are plenty of printers out
> there which don't support level 3.
>
no, but IIRC if you have multiple backdrop raster maps ordered into
tiles, you have to patch them (using r.patch). if ps.map would be able
to work with multiple not-overlaying raster maps, this step would not
be necessary.

myhcaj
-- 
Jachym Cepicky
e-mail: jachym.cepicky gmail com
URL: http://les-ejk.cz
GPG: http://www.les-ejk.cz/pgp/jachym_cepicky-gpg.pub