JFreeChart：XY图表中具有相同值的重叠条形 [英] JFreeChart: overlapping bars in XY chart that have the same value

问题描述

我有这个问题，当来自不同系列的2个柱子具有相同的值时，它们彼此重叠。我希望两者中的一个在另一个之上。
不幸的是，我想要现在位于后面的那个，前面：

I have this problem where 2 bars from a different series overlap each other when they have the same value. And I would like 1 of both on top of the other. Unfortunately, I want the one that is now in the back, up front :

我已经尝试更改类别表达式的顺序，但无济于事。
任何人都可以告诉我如何将橙色条放在蓝色条上面？

I already tried changing the order of the category expression, but to no avail. Anyone can tell me how I can get the orange bar on top of the blue one please ?

推荐答案

你可以尝试 DatasetRenderingOrder ：

You may try DatasetRenderingOrder:

XYPlot plot = jFreeChart.getXYPlot();
plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD); // or reverse

或

plot.setSeriesRenderingOrder(DatasetRenderingOrder.FORWARD);

如果两者都不起作用，使用堆积栏。

If neither works, it isn't a bad idea to use stacked bar.

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