I'm new to Jfree and want to create a Bar Chart with red (negative values) and blue (positive values) bars and define the minimal width of the bars. Which dataset and renderers I have to use for this?
At the moment I'm using the HistogramDataset where I can color the data series (with XYPlot -> XYItemRenderer -> setSeriesPaint()) but I cannot find the possibility to define the minimal width of the bars (directly or indirectly).
Thanks for help.
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