Clearing a series and keep others in JFreeChart

RYN*_*RYN 2 time-series jfreechart

I'm using JFreeChart to create a chart that has 6 TimeSeries in it.
Problem: When I call .clear() on one of those series all others get hidden:

    this.Series1.clear();
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Question: What should I do to clear a series without others disappear?

Before calling .clear() on the "Red" series.
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After calling .clear() on the "Red" series.
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tra*_*god 5

我使用以下任一方法获得预期结果:

dataset.removeSeries(0);
dataset.getSeries(0).clear();
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您可能需要验证每个TimeSeries都是不同的实例。