[vtkusers] vtkInteractorStyleRubberBandZoom bug?

Gerrick Bivins gbivins at objectreservoir.com
Fri Aug 15 09:10:47 EDT 2008



I submitted a patch for this a while ago that at least stops it from
crashing. The problem was that there wasn¹t a check if the drag went outside
the window range. It had different effects on various platforms for me.

Gerrick
On 8/15/08 7:34 AM, "David E DeMarle" <dave.demarle at kitware.com> wrote:

> It is bug http://vtk.org/Bug/view.php?id=3713
> I will fix it today.
> cheers,
> Dave DeMarle
> 
> On Fri, Aug 15, 2008 at 7:50 AM, Paul Harris <harris.pc at gmail.com> wrote:
>> Hi all,
>> 
>> Using the current VTK included in Debian (testing),
>> 
>> I modified the example xyPlot.py by setting the interactor style to
>> RubberbandZoom :
>> 
>> iren = vtk.vtkRenderWindowInteractor()
>> sty = vtk.vtkInteractorStyleRubberBandZoom()  **
>> iren.SetInteractorStyle(sty) **
>> iren.SetRenderWindow(renWin)
>> 
>> But, I discovered if you drag the box too far to the bottom right, the
>> display goes all funny - lots of black lines that aren't cleared...
>> 
>> And if you drag the box too far to the top left, I see this error:
>> 
>> *** glibc detected *** python: double free or corruption (out): 0x08fdaad0
>> ***
>> 
>> bug?
>> 
>> cheers
>> Paul
>> 
>> 
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