[Kst] Re: kst 2.0.1 problems under Linux...

[Barth Netterfield]

We're using it here with no troubles.  qt 4.7 under ubuntu 10.10.

I'll try it under 4.6.2 and see if I can confirm your troubles.


On Thu, Nov 18, 2010 at 12:40 AM, Brisset, Nicolas <
Nicolas.Brisset at eurocopter.com> wrote:

>  > Could you provide a backtrace?
>
> Here it is...
>
>
>
> 0     Kst::DataSource::vector datasource.h      82
> 0x00007ffff794908e
>
> 1     Kst::DataVector::_resetFieldScalars datavector.cpp    674
> 0x00007ffff6f42f07
>
> 2     Kst::DataVector::_resetFieldMetadata     datavector.cpp    633
> 0x00007ffff6f409a8
>
> 3     Kst::DataVector::reset  datavector.cpp    345
> 0x00007ffff6f44bc4
>
> 4     Kst::DataVector::change datavector.cpp    138
> 0x00007ffff6f42dc6
>
> 5     Kst::DataWizard::finished    datawizard.cpp    802
> 0x00007ffff79419fb
>
> 6     Kst::DataWizard::qt_metacall moc_datawizard.cpp      421
> 0x00007ffff7af11dc
>
> 7     QMetaObject::metacall   qmetaobject.cpp   237
> 0x00007ffff589cbab
>
> 8     QMetaObject::activate   qobject.cpp 3272  0x00007ffff58b2ebb
>
> 9     QAbstractButton::clicked     moc_qabstractbutton.cpp 206
> 0x00007ffff6741d11
>
> 10    QAbstractButtonPrivate::emitClicked qabstractbutton.cpp     546
> 0x00007ffff638197c
>
> 11    QAbstractButtonPrivate::click qabstractbutton.cpp     539
> 0x00007ffff6382d9a
>
> 12    QAbstractButton::mouseReleaseEvent qabstractbutton.cpp     1121
> 0x00007ffff6383098
>
> 13    QWidget::event    qwidget.cpp 8200  0x00007ffff5ee5298
>
> 14    QAbstractButton::event  qabstractbutton.cpp     1080
> 0x00007ffff6381926
>
> 15    QPushButton::event      qpushbutton.cpp   683
> 0x00007ffff6457245
>
> 16    QApplicationPrivate::notify_helper qapplication.cpp  4445
> 0x00007ffff5e6237b
>
> 17    QApplication::notify    qapplication.cpp  4006
> 0x00007ffff5e63245
>
> 18    QCoreApplication::notifyInternal   qcoreapplication.cpp    732
> 0x00007ffff58947a9
>
> 19    QCoreApplication::sendSpontaneousEvent   qcoreapplication.h
> 218      0x00007ffff5e788e5
>
> 20    QApplicationPrivate::sendMouseEvent qapplication.cpp  3103
> 0x00007ffff5e69bf2
>
> ...   <Mehr>
>
>
>
> That's the following line:
>
>
>
>   const QMap<QString, double> meta_scalars =
> _dp->dataSource()->vector().metaScalars(_dp->_field);
>
>
>
> It seems that _dp->dataSource() is a null pointer… Why and how to fix, I
> don't know…
>
>
>
> Nicolas
>
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-- 
C. Barth Netterfield
University of Toronto
416-845-0946
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