Hi Manu,
the tracks are stored in world coordinates, so no additional transformation is
applied.
Cheers,
Peter
Von: Emmanuel Caruyer [mailto:[email protected]]
Gesendet: Freitag, 11. Oktober 2013 18:09
An: [email protected]
Betreff: [mitk-users] Fiber tractography coordinate system
Hi all,
I have a series of DWIs in Nifti with bval/bvec. Images are LPS: indeed, the
affine matrix is:
-2.0 0.0 0.0 130.626465
0.0 -2.0 0.0 121.871460
0.0 0.0 2.0 -75.497993
0.0 0.0 0.0 1.000000
The Gibbs tracking seems to give pretty nice results on this dataset. Now when
I am exporting to vtkPolyData (.vtk), I can't figure out in which coordinate
system the tracks are stored in. It seems like they are not in the space
defined by the above-mentionned matrix. Is there any documentation on this?
Thanks for your help!
Kind regards,
Manu.
--
Postdoctoral research fellow
Section of Biomedical Image Analysis
University of Pennsylvania
http://www.emmanuelcaruyer.com
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