# Nifti: ImageFileReader + ImageFileWriter changes orientation matrix

**URL:** https://discourse.itk.org/t/nifti-imagefilereader-imagefilewriter-changes-orientation-matrix/4064
**Category:** Beginner Questions
**Tags:** nifti
**Created:** [April 23, 2021, 11:25am UTC](https://discourse.itk.org/t/nifti-imagefilereader-imagefilewriter-changes-orientation-matrix/4064 "2021-04-23T11:25:26Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![lassoan](https://discourse.itk.org/user_avatar/discourse.itk.org/lassoan/32/27_2.png) [@lassoan](https://discourse.itk.org/u/lassoan)
#### Post date: [April 24, 2021, 6:09pm UTC](https://discourse.itk.org/t/nifti-imagefilereader-imagefilewriter-changes-orientation-matrix/4064/3 "2021-04-24T18:09:26Z")

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6 posts were split to a new topic: [File format for general-purpose medical image computing](https://discourse.itk.org/t/file-format-for-general-purpose-medical-image-computing/4067)

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