Should the `trans` argument in `scale_*_continuous` etc be renamed to `transform`?

[davidhodge931]

Given that the scales functions will be changing from scales::*_trans to scales::transform_*

[teunbrand]

I'm not sure whether that kerfuffle associated with changing argument names is worth the small increase in consistency.

[davidhodge931]

There must have been a reason for using scales::transform_* rather than scales::trans_*.

Presumably the same reason holds? Consistency makes things easier

[teunbrand]

I'll ask @thomasp85 to weigh in on this decision

[yutannihilation]

I'm not sure about the details, but the NEWS says:

Transformation function have been renamed to transform_*-prefixed names instead of *_trans-suffixed names. This allows for a better tab-completion search of transformations.

Regarding tab-completion, I don't see any benefit in ggplot2's case.

[thomasp85]

The main reason for the scales change was indeed to streamline the naming conventions in the package to have the common name in front to make tab-completion easier. However, as we were already renaming things we decided to also use a more descriptive and inclusive naming.

Let's keep this open but it is unlikely to be included in the upcoming release

[eliocamp]

I like the trans argument name 🏳️‍⚧️

[yutannihilation]

Just curious, should coord_trans() also be renamed for consistency?

[teunbrand]

I like the consistency argument, and I think in a perfect world that would be ideal. However, spending some time with untangling the latest reverse depency checks, I am usure we should even rename the Scale$trans field to Scale$transform. Probably the deprecation of the old arguments should happen in a more gradual fashion than the RC branch brings now. However, it would be easy to code coord_transform() as an alias for coord_trans(), so I can get behind this.

[yutannihilation]

Thanks. I have no intention to push coord_transform(). I too am not sure if the renaming is worth. If there's no strong reason, maybe we can just leave coord_trans() as it is.