Find consistent way to refer to vertical mirroring
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 25/100
Research direction
Start by reviewing the existing .rev and .inv naming conventions described in the issue, then compare the proposed alternatives for vertical mirroring and 180-degree rotation. Done requires an agreed naming convention and a clear decision on how the affected symbols, including the obtuse-angle variants, should be named.
Written by the indexing model from the issue text.
Description
We seem to only have two current conventions:
.rev - Horizontal mirroring
.inv - Rotate by 180 degrees
These can also be combined to yield
.rev.inv- Vertical mirroring
There are several drawbacks with the current situation:
- The word "invert" can also imply vertical mirroring. In fact, this is the sense in which it is used in unicode naming (though inconsistently), with "turned" used for rotation by 180 degres.
- If there is only a vertically mirrored variant, then using
.rev.invisn't exactly the most natural modifier. This is the case for obtuse angles, where ⦦ (currentlyangle.oblique) and ⦧ (not currently named) are the only variants. - Even when there are other variants, it would still be beneficial to have a single modifier for vertical mirroring for semantic purposes.
I see several possibilities
- Introduce
.turned,.flipor.rot(though this has also been proposed for 90 degrees) for rotation by 180 degrees, and use.invfor vertical mirroring - Keep
.invfor rotation by 180 degrees, and use.flipfor vertical mirroring - Something like
.rev.hand.rev.v(though I can imagine this leading to conflicts if we don't have #94 #95 )
- Dominant language
- Rust
- Stars
- 53
- Forks
- 22
- PR merge metrics
- No merged PRs in 30d
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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