Message-
From: Marco Hugentobler [mailto:marco.hugentob...@sourcepole.ch]
Sent: Wednesday, August 08, 2012 11:16 AM
To: Kuhn Matthias, Vermessung
Cc: qgis-developer@lists.osgeo.org
Subject: Re: [Qgis-developer] Map canvas flickers
If there is a good reason to leave it this way, I would hide
[mailto:marco.hugentob...@sourcepole.ch]
Sent: Wednesday, August 08, 2012 11:16 AM
To: Kuhn Matthias, Vermessung
Cc: qgis-developer@lists.osgeo.org
Subject: Re: [Qgis-developer] Map canvas flickers
If there is a good reason to leave it this way, I would hide
the incremental drawing option for mac completely as I'm
I'll disable this option and remove it from the dialog on any other
than
Q_WS_X11 or do you think this can be useful for Mac as well?
Disabling is fine for Mac as well (Qt::WA_PaintOnScreen has
no effect on Mac).
I was more thinking about incremental drawing.
At the moment processEvents
If there is a good reason to leave it this way, I would hide the incremental
drawing option for mac completely as I'm working on this code anyway.
Yes, good point. Please hide that option for Mac.
Marco
Am 08.08.2012 10:36, schrieb Kuhn Matthias, Vermessung:
I'll disable this option and
Hi Salvatore,
What do you mean with run QGIS by shell? Is there another way you can
run your self-compiled version and it works?
I started working on a git repo, based on 1.8. So far only the patch
adjusted by Ivan for 1.8 is applied.
https://github.com/matthias-kuhn/Quantum-GIS.git release-1_8
Hi,
2012/8/7 Matthias Kuhn matthias.k...@gmx.ch
Hi Salvatore,
What do you mean with run QGIS by shell?
I mean, running QGIS by CL interface (shell bash linux).
Also I noticed that the exception does not always occur!
Oddly, if I run QGIS (CLI) by the following command: $ qgis --lang us
Hi all,
There is now a config option to turn this fix on and off
( Setting=Options=Rendering: Enable backbuffer )
The more people that test it, the better are the chances to get this
into the main code.
Thanks to everybody who is participating in this discussion and testing!
On Fre, 2012-07-27
Hi Matthias
I didn't try it yet, but from a first look at the patch source, it seems
to me backbuffering is enabled by default:
settings.value( /Map/enableBackbuffer, 1 ).toBool();
That would be ok on X11. But the windows users (who are not affected by
the flickering) would loose the paint
Thanks for the review and good point.
I'll disable this option and remove it from the dialog on any other than
Q_WS_X11 or do you think this can be useful for Mac as well? (You
diabled some code and mentioned resizing as cause for this)
Regards
On Die, 2012-08-07 at 17:37 +0200, Marco
I'll disable this option and remove it from the dialog on any other than
Q_WS_X11 or do you think this can be useful for Mac as well?
Disabling is fine for Mac as well (Qt::WA_PaintOnScreen has no effect on
Mac).
Am 07.08.2012 17:45, schrieb Matthias Kuhn:
Thanks for the review and good
On 08/07/2012 05:45 PM, Matthias Kuhn wrote:
Thanks for the review and good point.
I'll disable this option and remove it from the dialog on any other than
Q_WS_X11 or do you think this can be useful for Mac as well? (You
diabled some code and mentioned resizing as cause for this)
Maybe I
On 08/06/2012 12:10 PM, Matthias Kuhn wrote:
Hi Ivan,
thank you for testing.
Did you also check if qgis does not crash (as described earlier in this
thread, big vector layer, resizing of window)?
I'm considering releasing a configure option as proposed by Marco.
I am getting segfault
An: Matthias Kuhn; qgis-developer@lists.osgeo.org
Betreff: Re: [Qgis-developer] Map canvas flickers
On 08/06/2012 12:10 PM, Matthias Kuhn wrote:
Hi Ivan,
thank you for testing.
Did you also check if qgis does not crash (as described earlier in this
thread, big vector layer, resizing
On 08/06/2012 01:31 PM, Kuhn Matthias, Vermessung wrote:
Which patch did you test?
The first one is known to be broken. Are you sure you didn't test this one?
I did my test against second one. I am attaching my backported version
to QGIS 1.8
--
Ivan Mincik
diff --git
If that one still crashes, I'm out of ideas.
The strange thing is, that the warnings you posted on pastebin still appear for
you. I'm pretty sure they disappeared on my machine. I'm currently working on a
windows system, so I'm unable to verify right now.
-Ursprüngliche Nachricht-
Von:
On 08/06/2012 02:11 PM, Kuhn Matthias, Vermessung wrote:
If that one still crashes, I'm out of ideas.
The strange thing is, that the warnings you posted on pastebin still appear
for you. I'm pretty sure they disappeared on my machine. I'm currently
working on a windows system, so I'm
I'm on Fedora Core 17, Qt 4.8.
But it seems odd to me, that qt changed these warnings, as there is a good
reason for them to appear in the unpatched code and in the case they still
appear with the patched code there would be a second call that can result in a
paint event somewhere.
Just to be
On 08/06/2012 03:00 PM, Kuhn Matthias, Vermessung wrote:
I'm on Fedora Core 17, Qt 4.8.
But it seems odd to me, that qt changed these warnings, as there is a good
reason for them to appear in the unpatched code and in the case they still
appear with the patched code there would be a second
On Mon, 2012-08-06 at 14:34 +, Kuhn Matthias, Vermessung wrote:
I don't think that's the problem.
I'll try to reproduce as soon as I'm back on my machine
I have a good news. When building on Debian Wheezy with Gnome 3 and QT
4.8.2 I have no QPainter warnings and no resize crashes. Strange,
Thank you for the information Ivan,
I was already setting up a virtual machine on Squeeze to verify.
if I understand correctly, you tested a patched 1.8?
I'll fork 1.8 and commit a configurable fix for this, so hopefully we
can get this as a quickfix to be released with the next 1.8 upgrade on
2012/8/6 Ivan Mincik ivan.min...@gmail.com
On Mon, 2012-08-06 at 14:34 +, Kuhn Matthias, Vermessung wrote:
I don't think that's the problem.
I'll try to reproduce as soon as I'm back on my machine
I have a good news. When building on Debian Wheezy with Gnome 3 and QT
4.8.2 I have no
On Mon, 2012-08-06 at 21:20 +0200, Salvatore Larosa wrote:
2012/8/6 Ivan Mincik ivan.min...@gmail.com
On Mon, 2012-08-06 at 14:34 +, Kuhn Matthias, Vermessung
wrote:
I don't think that's the problem.
I'll try to reproduce as soon as I'm back on my machine
2012/8/6 Ivan Mincik ivan.min...@gmail.com
On Mon, 2012-08-06 at 21:20 +0200, Salvatore Larosa wrote:
2012/8/6 Ivan Mincik ivan.min...@gmail.com
On Mon, 2012-08-06 at 14:34 +, Kuhn Matthias, Vermessung
wrote:
I don't think that's the problem.
I'll
Are you sure you compiled with CMAKE_BUILD_TYPE = Debug?
No warnings with CMAKE_BUILD_TYPE = Debug. No crashes on resize.
--
Ivan Mincik ivan.min...@gmail.com
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Qgis-developer
if I understand correctly, you tested a patched 1.8?
Yes.
--
Ivan Mincik ivan.min...@gmail.com
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Qgis-developer mailing list
Qgis-developer@lists.osgeo.org
Sorry, but my test was without patch!
Anyway I did try the patch in current master and the flickering is
disappear, but when run QGIS I get an exception: std::bad_alloc.
can it is avoid?
It could be some another problem with master. Are You sure it happens
only with the patch? Did You
2012/8/6 Ivan Mincik ivan.min...@gmail.com
Sorry, but my test was without patch!
Anyway I did try the patch in current master and the flickering is
disappear, but when run QGIS I get an exception: std::bad_alloc.
can it is avoid?
It could be some another problem with master. Are You
On Mon, 2012-08-06 at 22:43 +0200, Salvatore Larosa wrote:
2012/8/6 Ivan Mincik ivan.min...@gmail.com
Sorry, but my test was without patch!
Anyway I did try the patch in current master and the
flickering is
disappear, but when run QGIS I
Hi Ivan,
As far as I can see, it is very likely that these issues are related.
If you want to be sure and you are able to compile qgis by yourself, you
can check the patch I attached in the other thread.
Regards
On Fri, 2012-08-03 at 22:05 +0200, Ivan Mincik wrote:
Hi Matthias,
do you think
Hi Matthias,
do you think that this problem is the same as discussed it this [1]
thread ?
Thanks for interest to this issue.
1 -
http://lists.osgeo.org/pipermail/qgis-developer/2012-August/021472.html
--
Ivan Mincik ivan.min...@gmail.com
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Marco Hugentobler
Gesendet: Donnerstag, 2. August 2012 16:33
Cc: qgis-developer@lists.osgeo.org
Betreff: Re: [Qgis-developer] Map canvas flickers
Hi Matthias
Disabling that piece of code means there is no possibility to interrupt long
rendering with the 'esc' key. Also the possibility to have
Hi Matthias
I still have the resize crash with Qt 4.8.1. To reproduce, load a layer
with many objects. Go with the mouse to the right corner and resize
several times without releasing the mouse. After the mouse release, the
crash occures.
Note: this problem (and the flicker with the
I still have the crash with the patch (Qt::WA_NativeWindow) on my
machine (Qt 4.8.1).
Regards,
Marco
Am 27.07.2012 15:10, schrieb Matthias Kuhn:
Hi Marco,
thank you for verifying and advises on how to reproduce. I missed the
part with without releasing the mouse
I have created a patch that
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