[vtkusers] vtkTransform question

[Anja Ende]

Hi everyone,

Another qustion... I am really having a bad day...

Been trying to play with the vtkTransform object and want to do the
following operations...

Translate->Rotate->Translate back...

I am getting a bit hairy results... Are the translate parameters expressed
in actual physical units... i.e. taking the spacing into account...

For example, I have an image data set that is centered using
vtkImageChangeInformation and I want to move to pixel (x, y) on a particular
slice (n) and then rotate 30 degrees around the X axes. How does one go
about doing these operations?

Any small code/pseudo code would be awesome!

Thanks,
Anja
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