JFreeChart 极坐标图自定义 X 标签

Question

我想自定义我的 PolarChart 以替换 PolarChart 默认显示的角度值，带有这样的自定义字符串：

Answer 1

您可以覆盖 refreshAngleTicks() method of PolarPlot, as shown here:

import static org.jfree.ui.TextAnchor.*
…
PolarPlot plot = new PolarPlot() {

    @Override
    protected List refreshAngleTicks() {
        List ticks = new ArrayList();
        ticks.add(new NumberTick(0, "maxCharTick: 20", TOP_LEFT, TOP_LEFT, 0));
        ticks.add(new NumberTick(45, "energyComsuption: 1", TOP_LEFT, TOP_LEFT, 0));
        ticks.add(new NumberTick(90, "maxDamage: 40", TOP_LEFT, TOP_LEFT, 0));
        …
        return ticks;
    }
};

或者，考虑 SpiderWebPlot, shown here。

JFreeChart 极坐标图自定义 X 标签

JFreeChart Polar chart custom X labels

java

swing

jfreechart