# \#displacement-field

**URL:** https://discourse.itk.org/tag/displacement-field/267.md

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

---

## [Use an external SPM Displacement Field in SimpleITK to translate a point from the source MRI to the output MRI: Annotations not matching](https://discourse.itk.org/t/use-an-external-spm-displacement-field-in-simpleitk-to-translate-a-point-from-the-source-mri-to-the-output-mri-annotations-not-matching/7518)

<div class="topic-metadata">

**Author:** [@miaomiaomiao](https://discourse.itk.org/u/miaomiaomiao)\
**Replies:** 2\
**Last updated:** [May 13, 2025, 1:22pm UTC](https://discourse.itk.org/t/use-an-external-spm-displacement-field-in-simpleitk-to-translate-a-point-from-the-source-mri-to-the-output-mri-annotations-not-matching/7518 "2025-05-13T13:22:57Z")

</div>

Hello community, I have made point annotations in original MRIs and used SPM CAT12 to register the MRIs. Now I want to transform the points into the registered MRIs using SimpleITK. SPM CAT12 gives me a DisplacementFiel…

---

## [Order of elements in a displacement field](https://discourse.itk.org/t/order-of-elements-in-a-displacement-field/7148)

<div class="topic-metadata">

**Author:** [@koegl](https://discourse.itk.org/u/koegl)\
**Replies:** 1\
**Last updated:** [August 1, 2024, 1:19pm UTC](https://discourse.itk.org/t/order-of-elements-in-a-displacement-field/7148 "2024-08-01T13:19:03Z")

</div>

Let’s say I have a displacement field in SimpleITK of the shape 100,100,100,3. are the components of the displacement at each voxel (x,y,z) or (z,y,x)?