JavaFx 2.x: BarChart with both axes as numbers

Question

1) I want a BarChart where both axes are numbers(<Number, Number>), but it seems like this isn't supported and that you need to have a category and a number axis.

Is there a way to override the BarChart class to get both axes as Number, Number?

2) Is it possibile to use LineChart to plot bars instead of BarChart class to get a histogram plot ?

Alberto acepsut · Answer 1 · 2012-10-01T06:18:21.830

3

You can try this solution

XYChart.Series series = new XYChart.Series();                        
        series.getData().add(new XYChart.Data(i, i));
        series.getData().add(new XYChart.Data(i, listValue));            
        lineChart.getData().addAll(series);

but I warn you it is very slow compared to Number axis

edited Oct 01 '12 at 06:18

answered Sep 30 '12 at 11:48

Alberto acepsut

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score 2 · Accepted Answer · edited Jun 04 '23 at 11:39

2

Found a good solution: I suggest to do in this way

series.getData().add(new XYChart.Data(i, 0));
series.getData().add(new XYChart.Data(i, listValue));          
series.getData().add(new XYChart.Data(i, 0));

in this way you can use LineChart to plot bars

also, if you want to remove symbols from AreaChart you can accomplish this by using css

.chart-area-symbol 
            { -fx-background-color: null, null; }

edited Jun 04 '23 at 11:39

user1803551

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answered Oct 01 '12 at 18:31

Alberto acepsut

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Just a note - Instead of modifying the CSS, you can use chart.setCreateSymbols(false), you also don't need duplicated (i, 0) points – Chris Nov 20 '18 at 15:54

JavaFx 2.x: BarChart with both axes as numbers

2 Answers2