# \#orientation

**URL:** https://discourse.itk.org/tag/orientation/258.md

[Latest](https://discourse.itk.org/latest.md) · [Categories](https://discourse.itk.org/categories.md) · [Tags](https://discourse.itk.org/tags.md)

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## [Edge cases of DICOMOrient](https://discourse.itk.org/t/edge-cases-of-dicomorient/7559)

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**Author:** [@ahulist](https://discourse.itk.org/u/ahulist)\
**Replies:** 2\
**Last updated:** [June 5, 2025, 11:22pm UTC](https://discourse.itk.org/t/edge-cases-of-dicomorient/7559 "2025-06-05T23:22:39Z")

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I’m using SimpleITK’s DICOMOrient to reorient a stack of DICOM slices. When I read files as a simple list (instead of using ImageSeriesReader), SITK only uses the first slice’s Origin/Spacing and infers the rest on the f…

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## [Does ITK-5.3 OrientImageFilter bugs on windows?](https://discourse.itk.org/t/does-itk-5-3-orientimagefilter-bugs-on-windows/7540)

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**Author:** [@Divital](https://discourse.itk.org/u/Divital)\
**Replies:** 1\
**Last updated:** [May 27, 2025, 1:14pm UTC](https://discourse.itk.org/t/does-itk-5-3-orientimagefilter-bugs-on-windows/7540 "2025-05-27T13:14:08Z")

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I am wrapping some functions from the ITK-5.3 library in Julia, and i have the following C++ defined wrappers, specifically I have a function that takes an image and reorients the image into LPS orientation, (the filter …

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## [DICOMOrient Voxel Data Permutations/Flips in SimpleITK](https://discourse.itk.org/t/dicomorient-voxel-data-permutations-flips-in-simpleitk/7516)

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**Author:** [@ahulist](https://discourse.itk.org/u/ahulist)\
**Replies:** 2\
**Last updated:** [May 12, 2025, 4:03am UTC](https://discourse.itk.org/t/dicomorient-voxel-data-permutations-flips-in-simpleitk/7516 "2025-05-12T04:03:52Z")

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Hi all, I’m working with a DICOM processing pipeline where I use sitk.DICOMOrient(image, "LPS") to reorient an original series. Later, I need to revert this lps\_oriented\_image back to match the exact voxel data order an…

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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. …