gives to point a the point style point style syntax setPointStyle(a, pointStyle) is also allowed
setPointStyle(a, pointStyle)
name (or tag if name is empty) of the point pointStyle is to be assigned to
Optional
the point style (o|O|OO|x|X|+|<>|[]|.) or (littleround|round|biground|mult|bigmult|cross|diamond|square|pixel|)
gives to point a the point style point style syntax
setPointStyle(a, pointStyle)is also allowed