如果用户按下按钮“F1”代表左，“F2”代表右，我想在 x 轴上向左或向右更改垂直线，依此类推每个参数。这 4 个参数是 ABC 和 D，它们是根据以 csv 文件形式提供给软件的输入计算得出的。
样条图.java
public class SplineChart extends JFrame implements KeyListener {
JFreeChart chart;
XYSeriesCollection dataset;
int count = 0;
private ChartPanel chartPanel;
public SplineChart(String applicationTitle, String chartTitle,
XYSeriesCollection dataset) {
super(applicationTitle);
this.addKeyListener(this);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.dataset = dataset;
drawChart();
chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
private void saveImage() throws Exception {
DateFormat dateFormat = new SimpleDateFormat("dd-MM-yyyy HH-mm");
Calendar cal = Calendar.getInstance();
File file = new File(dateFormat.format(cal.getTime()) + ".jpeg");
if (!file.exists()) {
file.createNewFile();
}
else {
file = new File(dateFormat.format(cal.getTime()) + " (" + ++count + ")" + ".jpeg");
}
ChartUtilities.saveChartAsJPEG(file, chart, 800, 600);
}
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_F1) {
FileOpen.a = FileOpen.a - 1;
FileOpen.atorque = FileOpen.torque[FileOpen.a];
this.dataset = FileOpen.updateDataset();
drawChart();
}
if (e.getKeyCode() == KeyEvent.VK_F2) {
FileOpen.a = FileOpen.a + 1;
FileOpen.atorque = FileOpen.torque[FileOpen.a];
this.dataset = FileOpen.updateDataset();
System.out.println("F2 pressed");
drawChart();
}
if (e.getKeyCode() == KeyEvent.VK_S) {
try {
saveImage();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
public void drawChart() {
chart = ChartFactory.createXYLineChart("MASTER BLEND", // chart
// title
"TIME", // domain axis label
"TORQUE, TEMPERETURE, SPEED", // range axis label
this.dataset, // data
PlotOrientation.VERTICAL, // orientation
false, // include legend
true, // tooltips
false // urls
);
String text = String.format("%" + 50 + "s", "");
XYPlot plot = (XYPlot) chart.getXYPlot();
TextTitle legendText = new TextTitle("INTEGRATION / ENERGY ");
legendText.setPosition(RectangleEdge.BOTTOM);
chart.addSubtitle(legendText);
legendText = new TextTitle("Maximum :" + text + "D" + text + FileOpen.d
+ text + FileOpen.dtorque + text + FileOpen.dtemp);
legendText.setPosition(RectangleEdge.BOTTOM);
legendText.setHorizontalAlignment(HorizontalAlignment.LEFT);
chart.addSubtitle(legendText);
legendText = new TextTitle("Maximum :" + text + "X" + text + FileOpen.x
+ text + FileOpen.xtorque + text + FileOpen.xtemp);
legendText.setPosition(RectangleEdge.BOTTOM);
legendText.setHorizontalAlignment(HorizontalAlignment.LEFT);
chart.addSubtitle(legendText);
legendText = new TextTitle("Minimum :" + text + "B" + text + FileOpen.b
+ text + FileOpen.btorque + text + FileOpen.btemp);
legendText.setPosition(RectangleEdge.BOTTOM);
legendText.setHorizontalAlignment(HorizontalAlignment.LEFT);
chart.addSubtitle(legendText);
legendText = new TextTitle("Loading Peak :" + text + "A" + text
+ FileOpen.a + text + FileOpen.atorque + text + FileOpen.atemp);
legendText.setPosition(RectangleEdge.BOTTOM);
legendText.setHorizontalAlignment(HorizontalAlignment.LEFT);
chart.addSubtitle(legendText);
legendText = new TextTitle("Name" + text + text + "Time" + text
+ "Torque [Nm]" + text + "Stock Temp");
legendText.setPosition(RectangleEdge.BOTTOM);
legendText.setHorizontalAlignment(HorizontalAlignment.LEFT);
chart.addSubtitle(legendText);
legendText = new TextTitle("Test Conditions :");
legendText.setPosition(RectangleEdge.TOP);
chart.addSubtitle(legendText);
NumberAxis xAxis = (NumberAxis) plot.getDomainAxis(0);
xAxis.setTickUnit(new NumberTickUnit(50));
plot.getRendererForDataset(plot.getDataset(0)).setSeriesPaint(0,
Color.red);
plot.getRendererForDataset(plot.getDataset(0)).setSeriesPaint(1,
Color.blue);
plot.getRendererForDataset(plot.getDataset(0)).setSeriesPaint(2,
Color.green);
plot.getRendererForDataset(plot.getDataset(0)).setSeriesPaint(3,
Color.black);
plot.getRendererForDataset(plot.getDataset(0)).setSeriesPaint(4,
Color.black);
plot.getRendererForDataset(plot.getDataset(0)).setSeriesPaint(5,
Color.black);
plot.getRendererForDataset(plot.getDataset(0)).setSeriesPaint(6,
Color.black);
}
}
文件打开.java
public class FileOpen extends JPanel {
public static XYSeries series1 = new XYSeries("Temperature");
public static XYSeries series2 = new XYSeries("Torque");
public static XYSeries series3 = new XYSeries("Speed");
public static XYSeries ASeries = new XYSeries("A");
public static XYSeries BSeries = new XYSeries("B");
public static XYSeries XSeries = new XYSeries("X");
public static XYSeries DSeries = new XYSeries("D");
public static XYSeriesCollection dataset;
public static int temp[] = new int[2000];
public static int torque[] = new int[2000];
public static int speed[] = new int[2000];
public static int times[] = new int[2000];
private static final long serialVersionUID = 1L;
final JFileChooser fc = new JFileChooser();
public static int atorque = 0, btorque = 0, xtorque = 0, dtorque = 0,
atemp = 0, btemp = 0, xtemp = 0, dtemp = 0;
public static int a = 0, b = 0, x = 0, d = 0;
SplineChart myChart;
public FileOpen() throws Exception {
getFile();
}
public void getFile() throws Exception {
fc.addChoosableFileFilter(new CSVFilter());
int result = fc.showOpenDialog(this);
if (result == JFileChooser.APPROVE_OPTION) {
Thread thread = new Thread(new Runnable() {
public void run() {
try {
process(fc.getSelectedFile());
}
catch (Exception e) {
}
finally {
}
}
});
thread.start();
} else {
System.exit(0);
}
}
public void process(File file) throws FileNotFoundException, Exception {
CSVReader reader = new CSVReader(new InputStreamReader(
new FileInputStream(file.getAbsolutePath()), "UTF-16LE"), '\t',
'\'', 1);
int i = 0;
try {
FileInputStream fstream = new FileInputStream(file);
BufferedReader br = new BufferedReader(new InputStreamReader(fstream,
"UTF-16LE"));
String strLine;
br.readLine();
br.readLine();
reader.readNext();
reader.readNext();
int count = 0;
while ((strLine = br.readLine()) != null) {
String values[] = strLine.split("\t");
try {
for (int j = 0; j < values.length; j++)
System.out.println("" + j + values[j]);
if (i > 242)
break;
times[i] = i;
temp[i] = Integer.parseInt(values[3]);
torque[i] = Integer.parseInt(values[4]);
speed[i] = Integer.parseInt(values[5]);
} catch (NumberFormatException e) {
System.out.println("NFE");
}
System.out.println(times[i] + "," + temp[i] + "," + torque[i]
+ "," + speed[i]);
series1.add(i, temp[i]);
series2.add(i, torque[i]);
series3.add(i, speed[i]);
i++;
}
// Close the input stream
in.close();
for (int j = 0; j < torque.length; j++) {
if (atorque < torque[j]) {
a = j;
atorque = torque[j];
atemp = temp[j];
}
}
btorque = atorque;
for (int j = (a); j < torque.length; j++) {
if (btorque > torque[j] && torque[j] != 0) {
b = j;
btorque = torque[j];
btemp = temp[j];
}
}
int pxtorque = 0, slope = 0;
for (int j = (b + 1); j < torque.length; j++) {
slope = (xtorque - pxtorque);
if ((torque[j] - torque[j - 1]) < 0) {
break;
}
if (xtorque < torque[j]) {
x = j;
xtorque = torque[j];
xtemp = temp[j];
System.out.println(slope + "" + b);
}
// pxtorque = xtorque;
}
for (int j = (x); j < torque.length; j++) {
int counter = 0;
for (int k = 0; k < 10; k++)
if (torque[j + counter] == torque[j + 1 + counter])
counter++;
if (counter == 10) { // straight line
if ((torque[j + 1 + counter] - torque[j + counter]) == 0) {
} else {
d = j + counter;
dtorque = torque[j + counter];
dtemp = temp[j + counter];
break;
}
}
}
System.out.println(a + " " + b + " " + x + " " + d);
} catch (Exception e) {
e.printStackTrace();
}
myChart = new SplineChart("Master Blend", "Demo", updateDataset());
myChart.setExtendedState(JFrame.MAXIMIZED_BOTH);
myChart.setVisible(true);
}
public static XYSeriesCollection updateDataset() {
dataset = new XYSeriesCollection();
ASeries = new XYSeries("A");
BSeries = new XYSeries("B");
XSeries = new XYSeries("X");
DSeries = new XYSeries("D");
ASeries.add(a, atorque);
ASeries.add(a, 0);
BSeries.add(b, btorque);
BSeries.add(b, 0);
XSeries.add(x, xtorque);
XSeries.add(x, 0);
DSeries.add(d, dtorque);
DSeries.add(d, 0);
dataset.addSeries(series1);
dataset.addSeries(series2);
dataset.addSeries(series3);
dataset.addSeries(ASeries);
dataset.addSeries(BSeries);
dataset.addSeries(XSeries);
dataset.addSeries(DSeries);
return dataset;
}
}