[vtkusers] Updating a scene

[Luke J West]

I found out what I needed to do to reflect changes in the window...

if you recall, invoking ren->Render() after actor->SetPosition(x) does not
display the actor at the new position.

I needed to call mapper->Update() before ren->Render() for the changes to take
effect.

thanks for you responses.


Luke J West : Research Assistant : e-Science
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