it.alus.GPSreceiver.instruments.Variometer.java Source code

Introduction

Here is the source code for it.alus.GPSreceiver.instruments.Variometer.java

Source

//============================================================================
// This file is part of GPSreceiver: a Java demo program that parses NMEA
// sentences from a serial GPS receiver and displays live the received data.
// Author         : Alberto Realis-Luc <alberto.realisluc@gmail.com>
// Since          : July 2010
// Web            : http://www.alus.it/airnavigator/gpsreceiver/
// Git Repository : https://github.com/alus-it/GPSreceiver.git
// Version        : 0.1
// Copyright      :  2010 Alberto Realis-Luc
// License        : GPL
// Last change    : 2 March 2011
//============================================================================

package it.alus.GPSreceiver.instruments;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.text.DecimalFormat;
import java.text.NumberFormat;

import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.dial.DialBackground;
import org.jfree.chart.plot.dial.DialCap;
import org.jfree.chart.plot.dial.DialPlot;
import org.jfree.chart.plot.dial.DialTextAnnotation;
import org.jfree.chart.plot.dial.DialValueIndicator;
import org.jfree.chart.plot.dial.StandardDialFrame;
import org.jfree.chart.plot.dial.StandardDialScale;
import org.jfree.chart.plot.dial.DialPointer.Pointer;
import org.jfree.data.general.DefaultValueDataset;

public class Variometer extends ChartPanel {
    private static final long serialVersionUID = 5923210898165025281L;
    private JFreeChart jChart;
    private DefaultValueDataset dataset;

    public Variometer() {
        super(null);
        dataset = new DefaultValueDataset(0.0);
        DialPlot plot = new DialPlot();
        plot.setView(0.0, 0.0, 1.0, 1.0);
        plot.setDataset(0, dataset);
        StandardDialFrame dialFrame = new StandardDialFrame();
        dialFrame.setBackgroundPaint(Color.lightGray);
        dialFrame.setForegroundPaint(Color.gray);
        DialTextAnnotation titleLabel = new DialTextAnnotation("Vertical speed");
        titleLabel.setFont(new Font("Arial", 1, 18));
        titleLabel.setRadius(0.45D);
        titleLabel.setAngle(90);
        titleLabel.setPaint(Color.lightGray);
        plot.addLayer(titleLabel);
        DialTextAnnotation unitLabel = new DialTextAnnotation("100 Ft/min");
        unitLabel.setFont(new Font("Arial", 1, 18));
        unitLabel.setRadius(0.3D);
        unitLabel.setAngle(90);
        unitLabel.setPaint(Color.white);
        plot.addLayer(unitLabel);
        DialValueIndicator valueindicator = new DialValueIndicator(0);
        plot.addLayer(valueindicator);
        DialTextAnnotation annotation = new DialTextAnnotation("Ft/min");
        annotation.setFont(new Font("Arial", 1, 14));
        annotation.setRadius(0.4D);
        annotation.setPaint(Color.lightGray);
        plot.addLayer(annotation);
        plot.setDialFrame(dialFrame);
        StandardDialScale realScale = new StandardDialScale(-3000, 3000, -10, -340, 100, 10);
        realScale.setVisible(false);
        plot.addScale(0, realScale);
        StandardDialScale dispScale = new StandardDialScale(-30, 30, -10, -340, 5, 10);
        dispScale.setMajorTickPaint(Color.white);
        dispScale.setMinorTickPaint(Color.lightGray);
        dispScale.setFirstTickLabelVisible(true);
        dispScale.setTickRadius(0.88);
        dispScale.setTickLabelOffset(0.15);
        NumberFormat formatter = new DecimalFormat("#");
        dispScale.setTickLabelFormatter(formatter);
        dispScale.setTickLabelFont(new Font("Arial", Font.BOLD, 24));
        dispScale.setTickLabelPaint(Color.white);
        plot.addScale(1, dispScale);
        plot.setBackground(new DialBackground(Color.black));
        Pointer needle = new Pointer(0);
        needle.setFillPaint(Color.white);
        plot.addLayer(needle);
        plot.mapDatasetToScale(1, 1);
        DialCap cap = new DialCap();
        cap.setRadius(0.10);
        cap.setFillPaint(Color.gray);
        plot.setCap(cap);
        jChart = new JFreeChart(plot);
        super.setChart(jChart);
        super.setPreferredSize(new Dimension(400, 400));
    }

    public void updateVerticalSpeed(float newVerticalSpeedFtMin) {
        dataset.setValue(newVerticalSpeedFtMin);
    }

}