OptionalarrowThe arrowhead at the last point.
OptionalarrowThe width of the arrowheads across the line, as a factor of the width of the line. Only with an arrowhead.
OptionalarrowThe arrowhead at the first point.
OptionalcolorThe color of the line, with its opacity.
OptionaldashSolid, dashed, dotted, long dashes, or dashes and dots.
OptionalwidthThe width, in pixels.
The style of a line: its color, width and dashes, and its arrowheads. Missing fields have their default.