GroupCircle Class
Abstract class for creating groups of circles with the same styles and dimensions.

charts/js/CircleGroup.js:1
        Abstract class for creating groups of circles with the same styles and dimensions.
drawShapecfg
                    
                
                
                Defined in
                
            
        
        
        charts/js/CircleGroup.js:16
        
        
Algorithm for drawing shape.
cfg
                        Object
                    
                    
                    Parameters used to draw the shape.