aamitt06 Posted September 8, 2014 Share Posted September 8, 2014 I want to get the minimum and maximum value in bar chart and set them with different colors... Link to comment Share on other sites More sharing options...
Solution aamitt06 Posted September 11, 2014 Author Solution Share Posted September 11, 2014 I resolved the issue by making customized BarRenderer class here is what I did to resolve this: public void customize(JFreeChart chart, JRChart jasperChart) { //Set the Customized Bar Renderer CustomBarRenderer renderer = new CustomBarRenderer(); chart.getCategoryPlot().setRenderer((CategoryItemRenderer) renderer); } And Here is code for customized bar renderer class: public class CustomBarRenderer extends BarRenderer { public CustomBarRenderer(){ // super( } @Override public Paint getItemPaint(int row,int column){ CategoryDataset dataset = getPlot().getDataset(); if(dataset!=null) { Number maximum = DatasetUtilities.findMaximumRangeValue(dataset); Number minimum = DatasetUtilities.findMinimumRangeValue(dataset); double l_value = dataset.getValue(row, column).doubleValue(); if(l_value==(double)minimum) { return Color.RED; } else if(l_value==(double)maximum) { return Color.GREEN; } } return Color.GRAY; }} Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now