Optionalcolor?: stringColor, black by default
the line that is to be transformed
OptionalfontSize?: numberFont size of the name
Optionalhidden?: booleantrue to get the created point masked
OptionalhiddenName?: booleantrue to get the created point name masked
Optionalname?: stringThe name of the point to be created
OptionaloffsetX?: numberx-shift of the name
OptionaloffsetY?: numbery-shift of the name
Optionalopacity?: numberopacity (0 to 1), 1 by default
OptionalpointStyle?: stringPoint style (o|O|OO|x|X|+|<>|[]|.) or (littleround|round|biground|mult|bigmult|cross|diamond|square|pixel|)
Optionaltag?: stringTag to be applied on the created point (if present)
the transformation to aplly on line d
The created point if isPromiseMode is false or promise that will be resolved when the point is displayed
adds the image of point a by transformation transf syntaxes
addPointIm(a, transf),addPointIm(a, transf, name),addPointIm(a, transf, name, color)andaddPointIm(a, transf, name, color, pointStyle)are allowed too