[vtkusers] Objects disappear

[Mathieu Malaterre]

Martin Saturka wrote:
> Dear VTKers,
> 
> The thing can be viewed by running VTK-4.2.2/Examples/Tutorial/
> Step6/Tcl/Cone6.tcl. If I touch the boxWidget, the cone tends
> to disappear. Sometimes the cone appears again, but it is not
> moved/changed.

I can't reproduce the problem here on my RedHat linux box.
A few things though:

	- make sure you are not using vtkLODActor
	- make sure to call  vtkRenderer::ResetCameraClippingRange

BTW what is your video card ? I have had once this weird problem:

http://public.kitware.com/pipermail/vtkusers/2003-July/018937.html

HTH
mathieu