The two dial keys of a pie layer, with each left out at the grammar's
default: a clockwise ring from 12 o'clock declares nothing, which is what
every layer declared before the keys existed.
Parameters
startAngle: number
Where the ring begins, degrees clockwise from 12 o'clock
The two dial keys of a pie layer, with each left out at the grammar's default: a clockwise ring from 12 o'clock declares nothing, which is what every layer declared before the keys existed.