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

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Here is the source code for it.alus.GPSreceiver.instruments.Altimeter.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.awt.Image;
import java.awt.Toolkit;
//import java.awt.Image;
//import java.awt.Toolkit;
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 Altimeter extends ChartPanel {
    private static final long serialVersionUID = -3627503745675193082L;
    private JFreeChart jChart;
    private float altitude;
    private float groundAltitude;
    private DefaultValueDataset hoursDataset;
    private DefaultValueDataset minutesDataset;

    public Altimeter(float groundAltitudeFt) {
        super(null);
        altitude = 0;
        if (groundAltitudeFt < 0)
            groundAltitude = 0;
        else
            groundAltitude = groundAltitudeFt;
        hoursDataset = new DefaultValueDataset(0.0);
        minutesDataset = new DefaultValueDataset(0.0);
        DialPlot plot = new DialPlot();
        plot.setView(0.0, 0.0, 1.0, 1.0);
        Image background = Toolkit.getDefaultToolkit().getImage(getClass().getResource("altimeter.png"));
        plot.setDataset(0, hoursDataset);
        plot.setDataset(1, minutesDataset);
        StandardDialFrame dialFrame = new StandardDialFrame();
        dialFrame.setBackgroundPaint(Color.lightGray);
        dialFrame.setForegroundPaint(Color.gray);
        DialTextAnnotation annotation = new DialTextAnnotation("Feet");
        annotation.setFont(new Font("Arial", 1, 14));
        annotation.setRadius(0.4D);
        annotation.setPaint(Color.lightGray);
        plot.addLayer(annotation);
        DialValueIndicator valueindicator = new DialValueIndicator(0);
        NumberFormat formatter = new DecimalFormat("#");
        plot.addLayer(valueindicator);
        plot.setDialFrame(dialFrame);
        StandardDialScale scale = new StandardDialScale(0, 10, 90, -360, 1, 10);
        scale.setMajorTickPaint(Color.white);
        scale.setMinorTickPaint(Color.lightGray);
        scale.setFirstTickLabelVisible(false);
        scale.setTickRadius(0.88);
        scale.setTickLabelOffset(0.15);
        scale.setTickLabelFormatter(formatter);
        scale.setTickLabelFont(new Font("Arial", Font.BOLD, 24));
        scale.setTickLabelPaint(Color.white);
        plot.addScale(3, scale);
        plot.setBackground(new DialBackground(Color.black));
        StandardDialScale hourScale = new StandardDialScale(0, 10000, 90, -360, 1000, 10);
        hourScale.setVisible(false);
        hourScale.setTickRadius(0.88);
        hourScale.setTickLabelOffset(0.15);
        plot.addScale(0, hourScale);
        StandardDialScale minScale = new StandardDialScale(0, 1000, 90, -360, 0, 0);
        minScale.setVisible(false);
        minScale.setMajorTickIncrement(5.0);
        minScale.setTickRadius(0.68);
        plot.addScale(1, minScale);
        Pointer hourNeedle = new Pointer(0);
        hourNeedle.setRadius(0.55);
        hourNeedle.setFillPaint(Color.lightGray);
        plot.addLayer(hourNeedle);
        plot.mapDatasetToScale(1, 1);
        Pointer minNeedle = new Pointer(1);
        minNeedle.setFillPaint(Color.white);
        plot.addLayer(minNeedle);
        DialCap cap = new DialCap();
        cap.setRadius(0.10);
        cap.setFillPaint(Color.lightGray);
        plot.setCap(cap);
        jChart = new JFreeChart(plot);
        jChart.setBackgroundImage(background);
        super.setChart(jChart);
        super.setPreferredSize(new Dimension(400, 400));
    }

    public void updateAltitudeFt(float altFt) {
        altitude = altFt;
        if (altitude >= groundAltitude)
            altFt = altitude - groundAltitude;
        hoursDataset.setValue(altFt);
        int migliaia = (int) altFt / 1000;
        float minPart = altFt - migliaia * 1000;
        minutesDataset.setValue((int) minPart);
    }

    public void setGraoundAltitudeFt(float groundAltitudeFt) {
        groundAltitude = groundAltitudeFt;
    }

    public float getAltitudeFt() {
        return altitude;
    }

    public float getGroundAltitudeFt() {
        return groundAltitude;
    }

    public float getAltitudeFromGroundFt() {
        return altitude - groundAltitude;
    }
}