[vtkusers] Image Rotation Before Blending

[Sylvain Jaume]

Hi Mischa,

Have a look at vtkImageReslice.
You night need vtkImageChangeInformation to recenter your image.

Cheers,
Sylvain

Mischa Thesberg wrote:

> Hi,  I am making a program that requires the blending of two images 
> using vtkImageBlend.  The first Image is acquired data and the second 
> image is a crosshair of sorts that gets overlayed to indicate a 
> certain region.  What I want to do is to rotate this second, crosshair 
> image (which is composed of a funny little shape near the center and 
> the rest is set to transparent) before I merge it with the first.  
> Both images are 508 x 508.  I am wondering what class (or combination 
> of classes) is best for this task?  My best guess is that there must 
> be some image rotation type filter which then must be coupled with a 
> class that lets you reset the images extent (so that it is 508 x 508 
> square again) but I really don't know and I find it very difficult to 
> find the right class to do a task in vtk.  If anyone could tell me 
> which class would be best or can provide any advice many thanks in 
> advance.
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