[Qgis-developer] qgis 1.2 findings

[Giovanni Manghi]

Hi Richard,


On Thu, 2009-07-02 at 23:01 +0200, Richard Kostecky wrote:
> Thanks a lot,
> 
> I have already found system ho to reproduce and probably fixed this
> error. I'll test it with this layer and if successful send it to
> Martin.


Still I have to open the ticket about this problem or it is already
being patched?

thanks

-- Giovanni --



> On Thu, Jul 2, 2009 at 2:17 PM, Giovanni Manghi
> <giovanni.manghi at gmail.com> wrote:
>         On Wed, 2009-07-01 at 07:59 +0200, Richard Kostecky wrote:
>         > Hi I still wasn't able to reproduce this issue (error in
>         simplify
>         > feature).
>         >
>         > If you have any layer on which to reproduce, please send it
>         to me and
>         > I willl have a look on it.
>         >
>         > Thanks
>         > Richard
>         >
>         > PS: Sorry for late answer but I didn't had much time lately
>         since I
>         > have exam period in school.
>         
>         
>         
>         
>         Hi!
>         I was able to reproduce the error* 10 times out of 10 with the
>         vector
>         you can download at this link**. Consider that is a "complex"
>         polygon,
>         but I reproduced the error also with very simple ones.
>         
>         These are my observations:
>         
>         a) with this test layer (that has many nodes), once clicked
>         with the
>         "simplify feature" tool, the slider takes a few seconds before
>         show up.
>         Maybe this is physiological delay, maybe is possible to do
>         something.
>         
>         b) add the layer, click with the simplify tool, move the
>         slider, put the
>         slider to the initial value, click ok -> qgis crashes
>         
>         c) add the layer, click with the simplify tool, *don't* move
>         the slider,
>         click ok -> qgis do not crashes
>         
>         then if you click again with the simplify tool, move the
>         slider, put the
>         slider to the initial value -> qgis do not crashes
>         
>         d) when you use the simplify tool as in c), then you exit the
>         editing
>         mode, qgis asks if you want to save the changes -> this do not
>         make a
>         lot of sense as no changes were made.
>         
>         e) I noticed also the following: take the "majrivers"
>         shapefile (you can
>         find it in the qgis demo data), and test the simplify tool. On
>         some
>         features it works fine, on others it behaves like the above
>         description
>         and on others is enough to click with the tool on the feature
>         to crash
>         qgis.
>         
>         
>         Platform is Ubuntu 9.04 and QGIS rev. 11005
>         
>         
>         Hope this can help
>         
>         -- Giovanni --
>         
>         
>         
>         *
>         Fatal: ASSERT failure in QVector<T>::operator[]: "index out of
>         range",
>         file /usr/include/qt4/QtCore/qvector.h, line 331
>         Aborted
>         
>         
>         **
>         http://www.faunalia.pt/downloads/dist_evora.tar.gz
>         
>         
>         
>         
>         
>         
>         
>