更改颜色JFreeChart中注释的线宽 [英] Change colour & line width of an Annotation in JFreeChart

问题描述

我正在为绘图添加注释，但是我不知道如何更改其颜色或线宽(描边).我已经尽力阅读了文档，但是我没有主意.有人可以帮忙吗?

I am adding an annotation to my plot, but I can't work out how to change the colour or line width (stroke) of this. I've read through the documentation as best as I can but I'm out of ideas. Can anyone help?

Shape shape = new Ellipse2D.Double(circleXValue - radius, circleYValue - radius, radius + radius, radius + radius);
XYShapeAnnotation annotation = new XYShapeAnnotation(shape);
// ??
plot.addAnnotation(annotation);

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