[vtkusers] How to display a line which size and position is defined in normalized viewport coordinates.

[Mathieu Coursolle]

Hi,
I have a multiple renderers window and need to draw a line between
those.
How can I draw a line between the two renderers.
I tried to use a vtkActor2D combined with a vtkLineSource
but I was only able to set the line size and position in display
coordinates, which is not good if the window is resized.
Is there a way to display it in normalized viewport coordinates?
Thank you.
 
Mathieu



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