[Insight-users] Direction cosines

[Johnson, Hans J]

No.  Direction cosines are part of the discrete voxel lattice to physical space mapping.  Iterators have no knowledge of physical space.

ITK will write out properly oriented images,  wether Fiji will respect those orientations I up to that program.  I am not familiar with Fiji.

Hans


From: Neil Panjwani <paniwani at gmail.com<mailto:paniwani at gmail.com>>
Date: Wed, 4 May 2011 18:53:51 -0400
To: insight-users <insight-users at itk.org<mailto:insight-users at itk.org>>
Subject: [Insight-users] Direction cosines

Do the direction cosines of an image define the way the image iterator will move through the image?

I use ITK to write out Nifti files and view them using Fiji. Will Fiji allow me to properly view oriented images?

I want to ensure that despite what my direction cosines are, the gradient vector will always point to higher values in my image.
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