[vtkusers] 3D?

[alletto at dei.unipd.it]

Hi vtkusers,

I have often found in the forum's pages two lines of code, but they don't 
work. Does anyone know why?

class vtkMyCallback: ...
...

virtual void Execute(vtkObject *caller, unsigned long, void*)
{

vtkRenderWindowInteractor *iren =3D = 
reinterpret_cast<vtkRenderWindowInteractor*>(caller); //here...
vtkPointPicker *picker =3D (vtkPointPicker *)iren->GetPicker();//!!

what's 3D???

Thank you in advance!

Michele Alletto

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