# Can the z-axis be converted to x-axis or y-axis in CylindricalIndependent?

**URL:** <https://openmc.discourse.group/t/can-the-z-axis-be-converted-to-x-axis-or-y-axis-in-cylindricalindependent/3792>\
**Category:** User Support\
**Created:** [January 3, 2024, 10:03am UTC](https://openmc.discourse.group/t/can-the-z-axis-be-converted-to-x-axis-or-y-axis-in-cylindricalindependent/3792 "2024-01-03T10:03:44Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![SunAK](https://avatars.discourse-cdn.com/v4/letter/s/2acd7d/32.png) [@SunAK](https://openmc.discourse.group/u/SunAK)\
**Post date:** [January 3, 2024, 10:03am UTC](https://openmc.discourse.group/t/can-the-z-axis-be-converted-to-x-axis-or-y-axis-in-cylindricalindependent/3792/1 "2024-01-03T10:03:44Z")

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Hi all：  
I’m using CylindricalIndependent to describe a cylindrical source, but I found that the axis of symmetry can only be the z-axis, is there a way to switch to the x-axis or y-axis? 🤕

 ![image](https://global.discourse-cdn.com/free1/uploads/openmc/original/2X/8/8e8a42726339cbb77bdc5073a75b6659b469727d.png)  
One more question, I can use TR to rotate the source in MCNP, can I do it in OpenMC? 😂