[GRASS5] Re: some bugs
GRASS
grass at geni.knu.ac.kr
Sun Nov 26 14:53:51 EST 2000
From: GRASS <grass at geni.knu.ac.kr>
>
> > From neteler at geog.uni-hannover.de Mon Nov 27 02:38:49 2000
> > Date: Sun, 26 Nov 2000 18:00:45 +0100
> > From: Andreas Lange <Andreas.Lange at Rhein-Main.de>
> > To: GRASS <grass at geni.knu.ac.kr>
> > CC: grass5 at geog.uni-hannover.de
> > Subject: Re: [GRASS5] some bugs
> >
> > Hi Huidae,
> >
> > thanks a lot for your answer.
> >
> > GRASS wrote:
> > > > - with d.pan and d.zoom the color of vectors is always restored white.
> > > > If you draw a map with a e. g. green vector and zoom/pan, the vector is
> > > > re-drawn, but always white instead of the initial green.
> > > > There must be something wrong with the R_pad contents, as d.save puts
> > > > out the correct color with the vector before calling d.zoom/d.pan, but
> > > > afterwards the color is white even in the pad structure, so that d.save
> > > > puts out "d.vect vect=vect at PERMANENT color=white".
> > > >
> > >
> > > That's not bug. It is intended behaviour.
> > > If you want to recreate current window using d.zoom, use -r flag.
> >
> > OK, the -r flag is not shown in the tcltkgrass module and in the
> > html-manpage. So i overlooked that.
> > But i still think that it is a bug (or at least an inconsitency) that
> > the window is redrawn with d.zoom/d.pan, but the color of the vector is
> > changed to white. I think that d.zoom/d.pan should either always redraw
> > the correct screen or don't redraw anything at all without the -r flag.
> > In that case the user can first use d.save, then d.zoom/d.pan and then
> > redraw the screen without waiting for the "wrong" redraw of
> > d.zoom/d.pan.
> >
> > Just how i would like it.
>
> Now implemented what you want.
>
> >
> > >
> > > d.pan is not implemented to recreate window, -r flag.
> >
> > It would be nice if d.zoom and d.pan behave identically, otherwise it is
> > confusing.
> >
>
> Absolutely you're right.
> d.pan has some old code to be updated as soon as possible.
>
>
d.zoom code is merged into d.pan. So d.pan and d.zoom behave identically.
Huidae Cho
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