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JFreeChart chart = ChartFactory.createBarChart( title, // chart title null, // domain axis label null, null, PlotOrientation.VERTICAL, true, // include legend true, // tooltips? false // URL generator? Not required... ); raises java.lang.IllegalArgumentException: Null 'dataset' argument. at org.jfr...

this had no effect
"{0} \n {1}"
"{0} \r {1}"
"{0}" + System.getProperty("line.separator") + " {1} "

Is there a way to make piechart labels in multiline format? Like this "{0} \n {1} \n {2}". Its suitable when there not too much sections are there in dataset. Also, is it possible to have a legend for Piechart? Its convinient when too many sections. PS. and last question - when does 0.9.21 coming(ap...

In fact, to extend ChartUtilities with new encoding U can (and the simpliest way it is) copy such methods like writeChartAsPng, saveChartAsPNG,writeBufferedImageAsPNG (and somehow writeImageMap). Although,first 3 of them are simple interfaces to encoding, the last one does the work. So there must be...

Maybe it should Axis property an bit array the pattern. Where 0 - dont draw, 1 - draw Domain Gridline. Alas, this implementation brings down another enchantment - drawing Domain Gridlines in middle gaps between Categories and on sides. I can sense it should be separate object - somewhat like Gridlin...

Yeah, nices can be done through Legend class, but there i met another problem. When used in DualAxisDemo with this code StandardLegend legend = (StandardLegend) chart.getLegend(); legend.setDisplaySeriesShapes(true); legend.setDisplaySeriesLines(true); it makes legend item responsible for bars to be...

I've got the point that DomainAxis is Axis in fact $).

I've to a problem that alhough LegenItemCollection holds all the data for all Series in plot, it doesnt keep the link from which Series is the LegendItem. It came from a problem to make a shape for legend item according to its representation in plot. To copy shape from LineAndShapeRenderer to Legend...

Is there a way to make them not in (END,START,MIDDLE) positions, but also in the middle of space between categories ?