MarkerType

Specifies the marker type.

Note that "rect" is an alias for "square".

The possible values are:

• "square"—Creates a square marker.
• "circle"—Creates a circle marker.
• "triangle"—Creates a triangle marker.
• "cross"—Creates a cross marker.
• "rect"—Creates a rectangle marker.
• "roundedRect"—Creates a rounded rectangle marker.