vtk Motion Callback

[David Gobbi]

Hi Sean,

If you are using the nightly releases, there is a class called
vtkInteractorStyleUser that provides what you need.

Take a look at these examples:

vtk/graphics/examplesPython/CustomInteraction.py
vtk/graphics/examplesTcl/CustomInteraction.tcl

 - David

--David Gobbi, MSc                    dgobbi at irus.rri.on.ca
  Advanced Imaging Research Group
  Robarts Research Institute, University of Western Ontario

On Wed, 10 Nov 1999, Sean Spicer wrote:

> 
> Everyone, 
> 
> I have a request for vtk developers...
> 
> Could someone add a series of:
> 
> void SetLeftButtonMotionMethod(void (*f)(void *), void *arg);  
> void SetLeftButtonMotionMethodArgDelete(void (*f)(void *));  
> void SetMiddleButtonMotionMethod(void (*f)(void *), void *arg);
> void SetMiddleButtonMotionMethodArgDelete(void (*f)(void *));	
> void SetRightButtonMotionMethod(void (*f)(void *), void *arg);
> void SetRightButtonMotionMethodArgDelete(void (*f)(void *));	
> 
> to the vtkInteractorStyle class.
> 
> Providing only the button press and release methods is really incomplete,
> and doesn't allow the user to define his/her own motion mask functions.
> 
> Of course maybe there's another way to do what I want...
> 
> Basically I want to overide the interactor's middle button, enabling a
> function which runs while the button is down (moving or not) and depends
> on the mouse position in the window.  With the current methods, I can only
> grab the mouse position when the button is pressed or released.  Is there
> another way to do this without subclassing the vtkInteractorStyle class
> and making everything machine specific?
> 
> cheers,
> 
> sean
> 
> 
> ___________________________________________________________________________
> Sean Spicer 	     	          Stanford University Medical Center  
> Biomechanical Engineering         Division of Vascular Surgery, Suite H3642
> Cardiovascular Biomechanics Lab   Stanford CA, 94305 
>                                   Telephone...650.723.1695
>   			          Fax.........650.723.8762
> 
>             http://solvedeath.stanford.edu/~spicer
>  
> 
> 
> 
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