# Grouping Rotation objects in a vector

**URL:** <https://discourse.julialang.org/t/grouping-rotation-objects-in-a-vector/61899>\
**Category:** New to Julia\
**Tags:** parametric-types, structtypes\
**Created:** [May 27, 2021, 1:59am UTC](https://discourse.julialang.org/t/grouping-rotation-objects-in-a-vector/61899 "2021-05-27T01:59:46Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![Orbots](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/orbots/32/3392_2.png) [@Orbots](https://discourse.julialang.org/u/Orbots)\
**Post date:** [June 14, 2021, 5:30pm UTC](https://discourse.julialang.org/t/grouping-rotation-objects-in-a-vector/61899/9 "2021-06-14T17:30:15Z")

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> [@baptnz](#):
>
> Amusingly, three.js quaternions are stored with a different convention, which tripped me at first.

Yeah, you need to read the code when looking at quaternion packages, since conventions differ. There has been some interest in unifying quaternions here. [Taking Quaternions Seriously](https://discourse.julialang.org/t/taking-quaternions-seriously/44834)

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