[Insight-users] Computing 3D coordinates from 2D slice

[Matt McCormick]

Daanen Vincent <daanen at ...> writes:

> 
> The problem I have is that using Index2PhysicalPoint from a 2D slice gives
> as a result a 2D point ! I can't undestand this. According to me, a 2D
> oriented slice transform a pixel (i.e 2D index) in a 3D real point
> 

Reducing dimensionality is a lossy procedure.  If you want to keep the third 
dimension, use itk::RegionOfInterestImageFilter instead of 
itk::ExtractImageFilter.

Regards,
Matt