graph_line.java Source code

Introduction

Here is the source code for graph_line.java

Source

//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

import java.awt.BasicStroke;
import java.awt.Color;

import javax.swing.JFrame;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.Marker;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.ValueMarker;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

public class graph_line extends JFrame {

    private static final long serialVersionUID = 1L;

    private int _active = 0;

    private XYSeries fftseries = new XYSeries("FFT");
    private XYSeriesCollection dataset;
    private XYSeries series1 = new XYSeries("line1");
    private XYSeries series2 = new XYSeries("line2");
    private ChartPanel chartPanel;
    JFreeChart chart;
    XYPlot plot;

    public graph_line() {

    }

    public void showGraph() {

        dataset = new XYSeriesCollection();
        dataset.addSeries(fftseries);
        //   dataset.addSeries(series1);
        //dataset.addSeries(series2);

        chart = ChartFactory.createXYLineChart("XY Chart", // Title
                "x-axis", // x-axis Label
                "y-axis", // y-axis Label
                dataset, // Dataset
                PlotOrientation.VERTICAL, // Plot Orientation
                true, // Show Legend
                true, // Use tooltips
                false);

        chartPanel = new ChartPanel(chart);
        // default size
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        // add it to our application
        setContentPane(chartPanel);
        plot = chart.getXYPlot();

        this.pack();
        this.setVisible(true);

        _active = 1;

    }

    public void drawfft(double[] data) {
        if (!fftseries.isEmpty())
            fftseries.clear();

        for (int i = 0; i < data.length; i++) {
            fftseries.add(i, 10 * Math.log10(data[i]));
        }

        if (_active == 0)
            showGraph();

    }

    public void drawlinedual(double[] data1, double[] data2, int count) {
        if (!series1.isEmpty()) {
            series1.clear();
            series2.clear();
        }

        for (int i = 0; (i < data1.length) && (i < count); i++) {
            series1.add(i, (data1[i]));
            series2.add(i, (data2[i]));
        }

        if (_active == 0)
            showGraph();

    }

    public void clearlines() {
        if (_active > 0)
            dataset.removeAllSeries();
    }

    public void drawsingle(double[] data) {
        if (!fftseries.isEmpty())
            fftseries.clear();

        for (int i = 0; i < data.length; i++) {
            fftseries.add(i, (data[i]));
        }

        if (_active == 0)
            showGraph();

    }

    public void addMarkers(double pos1, double pos2) {
        if (!fftseries.isEmpty()) {
            Marker m1 = new ValueMarker(pos1);
            Marker m2 = new ValueMarker(pos2);

            m1.setStroke(new BasicStroke(2));
            m2.setStroke(new BasicStroke(2));
            m1.setPaint(Color.RED);
            m2.setPaint(Color.GREEN);
            plot.addDomainMarker(m1);
            plot.addDomainMarker(m2);
        }

    }

    public void addMarkers(double[] peak) {
        if (_active > 0) {
            for (int i = 0; i < peak.length; i++) {
                Marker m1 = new ValueMarker(peak[i]);
                m1.setStroke(new BasicStroke((float) .5));
                m1.setPaint(Color.GRAY);
                plot.addDomainMarker(m1);
            }
        }
    }

    public void addMarkers(double peak) {
        if (_active > 0) {
            Marker m1 = new ValueMarker(peak);
            m1.setStroke(new BasicStroke((float) .5));
            m1.setPaint(Color.GRAY);
            plot.addDomainMarker(m1);
        }
    }

    public void clearMarkers() {
        if (_active > 0)
            plot.clearDomainMarkers();

    }

}