# Image transformation

**URL:** <https://discourse.julialang.org/t/image-transformation/12889>\
**Category:** General Usage\
**Created:** [August 4, 2018, 10:19am UTC](https://discourse.julialang.org/t/image-transformation/12889 "2018-08-04T10:19:52Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![microlifecc](https://avatars.discourse-cdn.com/v4/letter/m/ed655f/32.png) [@microlifecc](https://discourse.julialang.org/u/microlifecc)\
**Post date:** [August 4, 2018, 10:19am UTC](https://discourse.julialang.org/t/image-transformation/12889/1 "2018-08-04T10:19:52Z")

</div>

Hi Guys!  
I have a small doubt. I am reading [this](https://julialang.org/blog/2017/04/offset-arrays) blogpost.

In

```julia
tfm = Translation(125,250) ∘ LinearMap(RotMatrix(pi/6)) ∘ Translation(-125,-250)

```

I am confused if the translation by 125,250 is being carried out first or by -125,-250.  
I am new to Computer Vision and usually in such operations we go from right to left(pre-multiplication). But I feel in this case it’s the opposite since translating by -125,-250 in the first step will move the center farther away from the origin.  
Do you think my understanding is correct?  
Thanks!