[vtkusers] Draw rulers in the boards of screen (in mm) for a 2D image

[Kevin H. Hobbs]

On Wed, 2009-10-28 at 18:05 -0200, Luis Alberto Pereira wrote:
> Hi all, 
> 
>  
> 
> I want to draw 2 rulers (in mm) in the boards of screen for a
> bi-dimensional image(one for X
> 
> and one for Y) which change according to zoom. Is there any custom
> widgets
> 
> which allows displaying it ?
> 

I think vtkLegendScaleActor does what you want.

http://www.vtk.org/doc/nightly/html/classvtkLegendScaleActor.html


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