[GRASS5] v.digit problems
neteler at geog.uni-hannover.de
Thu Feb 22 14:25:14 EST 2001
On Thu, Feb 22, 2001 at 12:25:18PM -0400, Bob Covill wrote:
> Markus Neteler wrote:
> > Bob,
> > Huidae has implemented them to improve the usage of v.digit (my wish).
> > It's related to zoom/pan. Now you can zoom/pan while digitizing without
> > stopping to digitize. At least here it works quite nice.
> > Probably the GRASS_PAN_THRESHOLD is too high (I think the deafault should
> > be less) so that the background image moves too quickly away if reaching the
> > borders of the current map region.
> > > If it is a cursres problem would it show up in other menus? If so which ones?
> > curses are used in g.help as well.
> > Markus
> I have checked g.help and it seems to work fine.
> The problems with v.digit seem to only relate to the digitize menu and the pan
> menu. Other zoom functions, etc, still seem to work fine.
> When I activate digitize (space-bar) the Begin Digitize menu begins flashing. It
> is only the menu button options that are flashing, as if the cursor is cycling
> throught the menu. The effect is not as dramatic with the pan menu, but cursors
> can be seen flashing at the left and right side of the menu.
> Any ideas would be appreciated.
yes, that's a result due to the new pan method (Huidae will know more).
On fast machines (or accelerated video cards), you are not aware of
this. However, on a slower machine it might become annoying. I guess
it can be switched of with an env variable (flag).
All GRASS variables are listed in
(thanks to Justin). We should add explanations to the list and eliminate
the unused vars there.
The file with above definition of the menu flicker is here (I think so):
I suggest to make the auto-pan method optional in a v.digit menu and/or
to be set with GRASS_AUTO_PAN=0/1
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