如何在XYSplineRenderer图表中将正方形的形状更改为点 [英] How to change shape of square to dot in XYSplineRenderer Graph

问题描述

在JFreeChart XYSplineRenderer Graph中，我需要显示小点而不是小正方形以显示XY坐标.我如何更改这些点的形状.

In JFreeChart XYSplineRenderer Graph I need to display small dots instead of small squares to display XY cordinates. How can i change the shape of these dots.

推荐答案

要使对称Shape在给定数据点上居中，您需要将左上角偏移半径(直径的一半).对于较小的点，

To center a symmetric Shape over a given data point, you'll want to offset the top-left corner by the radius (half the diameter). For smaller dots,

setSeriesShape(0, new Ellipse2D.Double(-3, -3, 6, 6));

另请参见使用ShapeUtilities与此相关的示例.

See also this related example using ShapeUtilities.

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