[vtkusers] Render() breaks interactor??!!

[Mathieu Malaterre]

Salut Joël,

	Please submit a bug report at:

http://vtk.org/Bug

	Include you small example
Thanks
Mathieu

Joël Schaerer wrote:
> Hi all,
> 
> It seems that calling the Render() method on a vtkRenderWindow before
> starting an interactor on a the same window breaks the interactor. Here
> is a minimal example:
> 
> 
> ---- begin code -----
> #include <vtkRenderWindow.h>
> #include <vtkRenderWindowInteractor.h>
> 
> int main()
> {
> 	vtkRenderWindow * renwin = vtkRenderWindow::New();
> 	//renwin->Render();  /*If line is not commented, interactor doesn't
> work!!! */
> 	vtkRenderWindowInteractor * i = vtkRenderWindowInteractor::New();
> 	i->SetRenderWindow(renwin);
> 	i->Start();
> }
> ---- end code -----
> 
> without the call to Render(), the interactor works, ie. the 'q' key
> works, for example. If I uncomment the line, the interactor doesn't work
> at all.
> Would somebody mind explaining me the reason of this problem? I'm using
> vtk-4.5.0-0.cvs20040114.2 (creatis version), on a linux machine.
> 
> Many thanks!
> 
> joel
> 
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