[GRASS5] gis.m limitation

[Cedric Shock]

Trevor,

It's fixed in CVS. There's no need for the zoom to current region button 
anymore; I removed it.

-- Cedric

> > On of the short comings with gis.m that I now find is that it is
> > impossible to zoom to a file with the new interface since shell
> > commands no longer affect the current window.
>
> Shell commands do affect the region, which affects the window if it is
> redrawn. Currently there are two redraw buttons. The one on the left draws
> changes in layers. The one on the redraws everything and will draw
> correctly if the region has been changed.
>
> I imagine that if I change the region and change a layer and use the left
> redraw button I'll get two layers rendered at different regions which is a
> bug. I just tried this and indeed it is so.
>
> The correct thing for us to do is have one redraw button and a belief state
> about the region. If the region is not in our belief state we should assert
> that the layers are dirty and must be redrawn.
>
> --Cedric
>
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