[vtkusers] Re: Re: Is there anyone who knows how to load a image fileasbackground in a RenderWindow?

[Frederic Perez]

It certainly helps, Goodwin.

Thank you once more!

Frederic Perez

 --- Goodwin Lawlor <goodwin.lawlor at ucd.ie> escribió: 
> Hi Frederic,
> 
> > I guess the same idea can be applied in order to visualize a
> > logo or small actor in front of everything else in the render
> > window.
> 
> True, you could reverse the layer order to have the logo on top. See
> here
> for a caveat:
>
http://public.kitware.com/pipermail/vtkusers/2004-February/071584.html
> 
> For a logo, it might be easier to use a vtkImageMapper and vtkActor2D
> to
> control the position in the render window ("actor SetPosition"). So
> instead
> of a vtkImageActor, you could use:
> 
> vtkImageMapper imapper
>     imapper SetInput [reader GetOutput]
>     imapper SetColorLevel 128
>     imapper SetColorWindow 255
> vtkActor2D actor
>     actor SetMapper imapper
> 
> 
> hth
> 
> 
> Goodwin
> 
> 
> 
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