[英]How to change marker size in XYPlot of jfreechart
您可以通過XYItemRenderer.setSeriesShape
實現此XYItemRenderer.setSeriesShape
。 請參閱DefaultDrawingSupplier .createStandardSeriesShapes()
工作原理。
XYItemRenderer renderer = xyPlot.getRenderer();
renderer.setSeriesPaint(0, Color.blue);
double size = 20.0;
double delta = size / 2.0;
Shape shape1 = new Rectangle2D.Double(-delta, -delta, size, size);
Shape shape2 = new Ellipse2D.Double(-delta, -delta, size, size);
renderer.setSeriesShape(0, shape1);
renderer.setSeriesShape(1, shape2);
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