series1.name("Americas"); series1.stroke("3 #fff"); series1.hovered().stroke("3 #fff"); series1.hovered().markers().enabled(true); series1.hovered().markers() .type(MarkerType.CIRCLE) .size(4d) series2.name("Europe"); series2.stroke("3 #fff"); series2.hovered().stroke("3 #fff"); series2.hovered().markers().enabled(true); series2.hovered().markers() .type(MarkerType.CIRCLE) .size(4d) series3.name("Greater China"); series3.stroke("3 #fff"); series3.hovered().stroke("3 #fff"); series3.hovered().markers().enabled(true); series3.hovered().markers() .type(MarkerType.CIRCLE) .size(4d) series4.name("Japan"); series4.stroke("3 #fff"); series4.hovered().stroke("3 #fff"); series4.hovered().markers().enabled(true); series4.hovered().markers()