CODEWITHSUNDEEP
javajfreechart
klaus johan
klaus johan

Reputation: 4400

How can multiple datasets be used with JFreeChart?

How could I add to a plot an OHLCSeriesCollection and a TimeSeriesCollection , in order to represent their values in the same chart ?

Upvotes: 5

Views: 7133

Answers (1)

Aaron
Aaron

Reputation: 5980

Both OHLCSeriesCollection and TimeSeriesCollection are based on XYDataset so you should be able to add them both to an XYPlot with something like the following:

JFreeChart chart = // create your XY chart here.
XYPlot plot = chart.getXYPlot();
OHLCSeriesCollection ohlsSeriesDataset = // create you ohlc dataset here.
TimeSeriesCollection timeSeriesDataset = // create you time dataset here.
AbstractXYItemRenderer olhsSeriesRenderer = // create your ohlc renderer here.
AbstractXYItemRenderer timeSeriesRenderer = // create your time renderer here.

plot.setDataset(0, ohlsSeriesDataset);
plot.setDataset(1, timeSeriesDataset);
plot.setRenderer(0, olhsSeriesRenderer);
plot.setRenderer(1, timeSeriesRenderer);

The type of renderer to use for olhsSeriesRenderer and timeSeriesRenderer really depends on the type of chart you want to generate so I cannot give you specifics here.

I have not tried this myself with XY datasets, but I have been able to do combine CategoryDatasets using this.

Upvotes: 10

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