[vtkusers] 'Cloning' the content of a QVTKWidget

[lars-friedrich]

Thank you, Clinton.
I will try to implement your second suggestion.
lars


Clinton Stimpson wrote:
> 
> 
> A couple ideas:
> - vtkWindowToImageFilter -> vtkTexturedActor2D to draw the contents of 
> one window into another.
> - go ahead and add all your vtkDataSet's and vtkActors to the bigger 
> window, but set the camera parameters to be the same as the other.  This 
> will prevent a loss of quality when showing the same view in a bigger 
> window.
> 
> Clint
> 
> lars-friedrich wrote:
>> Hello,
>>
>> some days ago, I posted a question regarding 'cloning of QVTKWidget
>> contents'. No reply, unfortunately. Is my way of thinking wrong? Do I
>> really
>> need two renderers, and compute the same scene two times when I simply
>> would
>> like to show the same object from the same point of view in two separate
>> Qt-widgets?
>> Thanks.
>>
>> lars
>>
>>
>>
>> lars-friedrich wrote:
>>   
>>> Hello VTKUsers,
>>>
>>> does someone know what the most efficient way of 'cloning' a scene
>>> displayed in one QVTKWidget within another QVTKWidget is?
>>> I have a (small) QVTKWidget integrating a vtkImagePlaneWidget showing a
>>> slice of a specified volume image. However, on demand, I would like to
>>> display the same scene in another (bigger) QVTKWidget simultaneously.
>>> Simply 'connecting' the pointer of the renderer did not do the trick:
>>> oneWidget->GetRenderWindow()->GetRenderers()->InitTraversal();
>>> anotherWidget->GetRenderWindow()->AddRenderer(oneWidget->GetRenderWindow()->GetRenderers()->GetNextItem());
>>> ... the scene was then visible just in anotherWidget.
>>>
>>> Could you help me, please?
>>>
>>> lars
>>>
>>>     
>>
>>   
> 
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