org.jfree.chart.demo.ScatterCanvas.java Source code

Introduction

Here is the source code for org.jfree.chart.demo.ScatterCanvas.java

Source

package org.jfree.chart.demo;

import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;

import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

public class ScatterCanvas extends JPanel {

    /** The time series data. */
    // private TimeSeries series;
    private XYSeries series;

    /** The most recent value added. */

    private int padding = 100;
    private int xEffectiveArea;
    private int yEffectiveArea;

    public ScatterCanvas(int width, int height, int xArea, int yArea) {

        xEffectiveArea = xArea;
        yEffectiveArea = yArea;
        this.series = new XYSeries("series");

        final XYSeriesCollection dataset = new XYSeriesCollection(this.series);

        final JFreeChart chart = createChart(dataset);

        final ChartPanel chartPanel = new ChartPanel(chart);

        this.add(chartPanel);

        chartPanel.setPreferredSize(new java.awt.Dimension(width - padding, height - padding));

    }

    private JFreeChart createChart(final XYDataset dataset) {
        final JFreeChart result = ChartFactory.createScatterPlot("XYPosition", "X", "Y", dataset

        );
        final XYPlot plot = result.getXYPlot();
        ValueAxis axis = plot.getDomainAxis();

        axis.setRange(0, xEffectiveArea);
        axis = plot.getRangeAxis();
        axis.setRange(0, yEffectiveArea);
        return result;
    }

    public void plotCoords(int X, int Y) {
        this.series.add(X, Y);
    }

}