[GRASSGUI] graphic overlays

[Glynn Clements]

Michael Barton wrote:

> I want to suggest that most or all graphic overlays be done via wxPython
> rather than using GRASS d.* commands.
> 
> These are: north arrow, scale, grid (and geodetic lines maybe), and text.
> We¹ll need someone to design some nice (and GRASS distinctive) north arrows
> and scales.
> 
> I suggest that these be accessed through an item or items (popup checkbox
> menu?) on the map display tool bar, rather than having them added as layers.
> They should be able to be turned on and off of course, as well as being
> positioned with a mouse (the latter will be much easier if they are wxPython
> graphic objects). Each will need it¹s own dialog with options, but that
> shouldn¹t be too difficult to do.
> 
> Vector labels could go either way<as something done from the map display
> tool bar or as an independent layer.
> 
> Other opinions?

I suggest that this is implemented in such a way that the user can
easily choose to use the equivalent d.* commands instead, so that the
display contents can be exported as a script which can be used outside
of the GUI (i.e. with an X/PNG monitor).

-- 
Glynn Clements <glynn at gclements.plus.com>