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line chart help


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Here's how it can be done:


You should use a customizer class that looks something like this:

package name_of_your_package;

import java.text.DecimalFormat;

import org.jfree.chart.JFreeChart;

import net.sf.jasperreports.engine.JRChart;
import net.sf.jasperreports.engine.JRChartCustomizer;

import org.jfree.chart.plot.CategoryPlot;

import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;

import org.jfree.chart.renderer.category.LineAndShapeRenderer;

public class LineChartCustomizer implements JRChartCustomizer {

    public void customize(JFreeChart jFreeChart, JRChart jrChart)


        CategoryPlot plot = jFreeChart.getCategoryPlot();
        DecimalFormat dfKey = new DecimalFormat("###,###");

        StandardCategoryItemLabelGenerator labelGenerator

                = new StandardCategoryItemLabelGenerator("{2}", dfKey);
/* {0} - label would be equal to Series expression, {1} - label would be equal to Category expression, {2} - label would be equal to Value expression
        LineAndShapeRenderer renderer = new LineAndShapeRenderer();




and write the name of the class in "Customizer class" field of your line chart.

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