[vtkusers] Creating a North Arrow

[Dmitri Danewitz]

Hello!
 
I want to create a North Arrow in the lower left corner of the screen. (The main object drawn is a road)
 
Did someone ever try to do this? The difficulty of this is that the north arrow has to rotate with the main object, but mustnt zoom or strafe. 
 
Did someone trydo do something similar?
 
Thanks
Dmitri


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