# \#affinematrix

**URL:** https://discourse.itk.org/tag/affinematrix/257.md

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## [Direction loosing negative sign](https://discourse.itk.org/t/direction-loosing-negative-sign/6371)

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**Author:** [@Franciska](https://discourse.itk.org/u/Franciska)\
**Replies:** 5\
**Last updated:** [March 13, 2024, 11:53am UTC](https://discourse.itk.org/t/direction-loosing-negative-sign/6371 "2024-03-13T11:53:45Z")

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I have a nifti file, which if I read with nibabel, and print the affine matrix it looks like this: \[\[-0.28 0. 0. 0. \] \[ 0. -0.28 0. 0. \] \[ 0. 0. 0.28 0. …