# How to get the IJK coordinate of a fiducial node in 3d slicer development

**URL:** https://discourse.slicer.org/t/how-to-get-the-ijk-coordinate-of-a-fiducial-node-in-3d-slicer-development/45362
**Category:** Development
**Created:** [December 4, 2025, 2:38am UTC](https://discourse.slicer.org/t/how-to-get-the-ijk-coordinate-of-a-fiducial-node-in-3d-slicer-development/45362 "2025-12-04T02:38:25Z")
**Posts on this page:** 1
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### Author: ![zhutouzjq](https://avatars.discourse-cdn.com/v4/letter/z/8797f3/32.png) [@zhutouzjq](https://discourse.slicer.org/u/zhutouzjq)
#### Post date: [December 4, 2025, 3:17am UTC](https://discourse.slicer.org/t/how-to-get-the-ijk-coordinate-of-a-fiducial-node-in-3d-slicer-development/45362/4 "2025-12-04T03:17:32Z")

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thank you for your reply. with your discussion under the issue “[RAS to IJK conversion issues](https://discourse.slicer.org/t/ras-to-ijk-conversion-issues/41863)“, i have solve this problem. your are very professional in developping 3d slicer extension

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