How to set line thickness for multiple series in JFreeChart?

Question

I create a lot of charts. In each of them I need to call

renderer.setSeriesStroke( i, new BasicStroke( 2.0f ) );

for each series. (renderer is chart.getXYPlot().getRenderer()).

I wonder if there is any way to set the thickness globally.

Torpedoman

Answer 1

Call the renderer's setBaseStroke() setDefaultStroke() method, like they say here, and change the autoPopulateSeriesStroke flag, like they say here.

//renderer.setBaseStroke(new BasicStroke(2.0f));
renderer. setDefaultStroke(new BasicStroke(2.0f));
renderer.setAutoPopulateSeriesStroke(false);

The answers here and here show the new method name when migrating to v1.5.

Mala

My renderer was XYItemRenderer, so I needed to use ((AbstractRenderer) this.renderer).setAutoPopulateSeriesStroke(false); like in referenced link ;) – Torpedoman

Answer 2

From Jfreechart 1.5.0 and Line Chart created with ChartFactory.createLineChart(...)

    JFreeChart lineChart = ChartFactory.createLineChart(...);

    LineAndShapeRenderer renderer = (LineAndShapeRenderer) lineChart.getCategoryPlot().getRenderer();
    renderer.setAutoPopulateSeriesStroke(false);
    renderer.setDefaultStroke(new BasicStroke(3.0f));

Indue

is it actually different from the accepted answer? doesn't look like that – Torpedoman

Yes, From JFreechart 1.5.0 the accepted answer won't work as the method used is now deprecated. my answer will work for those who are using the newer version. – Indue

Answer 3

For Jfreechart 1.5.0:

XYItemRenderer renderer = lineChart.getXYPlot().getRenderer();
renderer.setDefaultStroke(new BasicStroke(2.0f));
((AbstractRenderer) renderer).setAutoPopulateSeriesStroke(false);

Hodges