[vtkusers] xxxxxSPAMxxxxx Re: error in callback

alex alexdowson at hotmail.com
Mon May 17 07:50:52 EDT 2010


Hi

May be vtkRenderWindowInteractor  pointer is filled wrong. Check with 
condition weather it is filled or null.

Here is some example for callback

http://www.vtk.org/Wiki/VTK/Examples/Interaction/KeypressEvents


And some callBacks here also

http://www.vtk.org/Wiki/VTK/Examples/Utilities/CommandSubclass



Hope this helps


alex.


----- Original Message ----- 
From: "David Doria" <daviddoria+vtk at gmail.com>
To: "Jinyoung Hwang" <hwangjinyoung at gmail.com>; <vtkusers at vtk.org>
Sent: Monday, May 17, 2010 5:10 PM
Subject: Re: [vtkusers] error in callback


On Mon, May 17, 2010 at 7:39 AM, Jinyoung Hwang <hwangjinyoung at gmail.com> 
wrote:
> I already checked cast operation.
> Are there other tips for this problem?
> regards,
>
> JY

Please keep the conversation on the mailing list so everyone can 
help/benefit.

Can you post the smallest compilable code that demonstrates the problem?

David
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