[GRASS5] v.digit problems
grass5 at geog.uni-hannover.de
Thu, 22 Feb 2001 16:17:14 +0000
On Thu, Feb 22, 2001 at 09:20:43AM -0400, Bob Covill wrote:
> "Eric G. Miller" wrote:
> > On Wed, Feb 21, 2001 at 08:42:26PM -0400, Bob Covill wrote:
> > >
> > > Hello,
> > >
> > > I have been using v.digit under with my latest build on Solaris. I am
> > > using v.digit with no digitizer (none) and the new osckets monitor.
> > >
> > > Everything starts fine and seems to work. The first problem that I
> > > have is the "Begin digitizing" menu flashes until it receives input
> > > from the monitor.
> > >
> > > After doing some digititizing and saving some segments I am suddenely
> > > unable to save any work. I will digitize a line, select "Quit" to stop
> > > digitizing and I am not prompted to save the line. Instead I am dumped
> > > back to the digitizer menu without the work saved.
> > >
> > > Is this a digitizer problem (v.digit) or is it possibly related to the
> > > new sockets window? I am using beta11 downloaded from CVS late last
> > > week.
> > Hmmm. I don't see such things here (but that doesn't mean anything).
> > I have made some changes to the XDRIVER to try to handle Xevents better,
> > but it sounds like your having problems with the menu/curses part of
> > v.digit (maybe I misunderstand?). I wouldn't think the sockets code
> > would have too much effect on how v.digit itself behaves. If the
> > problems are in the display monitor, then maybe so...
> > Perhaps this is related to curses problems others have mentioned. Are
> > you using libncurses5.x, or some native curses implementation. I
> > understand there's not alot of consistency between the various
> > implementations.
> > I'm also, not sure what changes of the XDRIVER implementation you've
> > picked up (I've made a few in the last week or so). One way to test,
> > would be to recompile with FIFOs or IPC and see if that makes a
> > difference. I suspect it won't.
> > Have you used v.digit in the past with your current set-up? And did it
> > work okay then?
> > --
> > Eric G. Miller <firstname.lastname@example.org>
> I suspect you are right about it being related to the curses and not the
> monitor. I have used v.digit alot in the past on the Sun with no problems.
> This version seems to have changed a bit from previous versions I have
> used. The changes seem to be the mouse menu options changed around. I do
> not know when these changes were implemented.
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.
> I know you are probably sick of answering this question, but ... what is
> easiest way to re-build the distribution with IPC or the old fifo's (but
> not have to rebuild the entire distribution)?
You can use
but I am rather sure that it is not related to sockets.
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