import java.awt.*;
import java.awt.geom.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.io.*;
import javax.swing.*;

public class Graphing extends JApplet {

	String[] labels = new String[7];

	int[] MC_counter = new int[2];

	float[][] coords = new float[1001][3];

	BufferedImage bimg;

	public void init() {
		setBackground(Color.white);  
		}


	public void drawDemo(String[] labels, int[] MC_counter, float[][] coords, Graphics2D g2) {

		int i = 0;

		/* Set the font for the pane */
		Font font_f = new Font("monospaced",Font.PLAIN,12);

		/* Begin by drawing the outlines of the graph */
		g2.setColor(Color.black);
		BasicStroke pen = new BasicStroke(2.0F, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER);
		g2.setStroke(pen);
		Rectangle2D.Float rc = new Rectangle2D.Float(100F,50F,650F,450F);
		g2.draw(rc);

		/* Create the tick marks spaced along the x-axis */
		BasicStroke pen2 = new BasicStroke(1.0F, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER);
		g2.setStroke(pen2);
		Line2D.Float ln1 = new Line2D.Float(165F,500F,165F,495F);
		g2.draw(ln1);
		Line2D.Float ln2 = new Line2D.Float(230F,500F,230F,495F);
		g2.draw(ln2);
		Line2D.Float ln3 = new Line2D.Float(295F,500F,295F,495F);
		g2.draw(ln3);
		Line2D.Float ln4 = new Line2D.Float(360F,500F,360F,495F);
		g2.draw(ln4);
		Line2D.Float ln5 = new Line2D.Float(425F,500F,425F,495F);
		g2.draw(ln5);
		Line2D.Float ln6 = new Line2D.Float(490F,500F,490F,495F);
		g2.draw(ln6);
		Line2D.Float ln7 = new Line2D.Float(555F,500F,555F,495F);
		g2.draw(ln7);
		Line2D.Float ln8 = new Line2D.Float(620F,500F,620F,495F);
		g2.draw(ln8);
		Line2D.Float ln9 = new Line2D.Float(685F,500F,685F,495F);
		g2.draw(ln9);

		/* Create the tick marks along the y-axis */
		Line2D.Float ln10 = new Line2D.Float(100F,130F,105F,130F);
		g2.draw(ln10);
		Line2D.Float ln11 = new Line2D.Float(100F,210F,105F,210F);
		g2.draw(ln11);
		Line2D.Float ln12 = new Line2D.Float(100F,290F,105F,290F);
		g2.draw(ln12);
		Line2D.Float ln13 = new Line2D.Float(100F,370F,105F,370F);
		g2.draw(ln13);

		/* Draw the labels for each axis */
		g2.drawString(labels[0], 325F, 25F);
		g2.drawString(labels[1], 425F, 525F);
		g2.drawString(labels[2], 740F, 515F);
		g2.drawString(labels[3], 90F, 515F);
		g2.drawString(labels[4], 50F, 250F);
		g2.drawString(labels[5], 50F, 50F);
		g2.drawString(labels[6], 50F, 500F);

		/* Create a red polygon representing solutions where optical RMS is greater than two times nominal */
		g2.setColor(Color.red);
		for (i=1;i<=MC_counter[1];i++) {
			if (coords[i][0] >= 2.0) {
				g2.fill3DRect((int)(coords[i][1] - 2),(int)(coords[i][2] - 2), 3, 3, false);
				}
			}
		
		/* Create a green polygon representing solutions where optical RMS is between one and two times nominal */
		g2.setColor(Color.green);
		for (i=1;i<=MC_counter[1];i++) {
			if ((coords[i][0] >= 1.0) && (coords[i][0] < 2.0)) {
				g2.fill3DRect((int)(coords[i][1] - 2),(int)(coords[i][2] - 2), 3, 3, false);
				}
			}
		
		/* Create a blue polygon representing solutions where optical RMS is between zero and one times nominal */
		g2.setColor(Color.blue);
		for (i=1;i<=MC_counter[1];i++) {
			if (coords[i][0] < 1.0) {
				g2.fill3DRect((int)(coords[i][1] - 2),(int)(coords[i][2] - 2), 3, 3, false);
				}
			}

		}




	public void readfile(String[] labels, int[] MC_counter, float[][] coords) {

		int i = 0;

		double temp = 0;

		String line = " ";

		/* Read the coordinates and labels from disk */
		try {
			/* Read instance variables from disk */
			FileReader file = new FileReader("graphing_data");
			BufferedReader buff = new BufferedReader(file);  

			/* Read the labels for the x and y axes */
			for (i=0;i<=6;i++) {
				labels[i] = buff.readLine();
				}

			/* Read the number of solutions to be graphed */
			line = buff.readLine();
			MC_counter[1] = Integer.valueOf(line).intValue();

			/* Read the coordinates of each solution to be graphed */
			for (i=1;i<=MC_counter[1];i++) {
				line = buff.readLine();
				temp = Double.valueOf(line).doubleValue();
				coords[i][0] = (float)temp;
				line = buff.readLine();
				temp = Double.valueOf(line).doubleValue();
				coords[i][1] = (float)temp;
				line = buff.readLine();
				temp = Double.valueOf(line).doubleValue();
				coords[i][2] = (float)temp;
				}
		
			buff.close();

			} catch (FileNotFoundException exceptFNF) {
				System.out.println("Error -- " + exceptFNF.toString());
			} catch (NullPointerException exceptNP) {
				System.out.println("Error -- " + exceptNP.toString());
			} catch (EOFException exceptEOF) {
				System.out.println("Error -- " + exceptEOF.toString());
			} catch (IOException exceptIO) {
				System.out.println("Error -- " + exceptIO.toString());
				}

		}




	public Graphics2D createGraphics2D() {
      	Graphics2D g2 = null;
            bimg = (BufferedImage) createImage(800, 600);
        	g2 = bimg.createGraphics();
        	g2.setBackground(getBackground());
        	g2.clearRect(0, 0, 800, 600);
        	return g2;
   		}




	public void paint(Graphics g) {
      	Dimension d = getSize();
      	Graphics2D g2 = createGraphics2D();
		readfile(labels, MC_counter, coords); 
      	drawDemo(labels, MC_counter, coords, g2);
      	g2.dispose();
      	g.drawImage(bimg, 0, 0, this);
		}





	public static void run() {
      	final Graphing demo = new Graphing();
      	demo.init();
      	Frame f = new Frame("Comet/Asteroid Orbit Determination and Ephemeris Software");
      	f.addWindowListener(new WindowAdapter() {
            	public void windowClosing(WindowEvent e) {System.exit(0);}
	        	});
        	f.add(demo);
        	f.pack();
        	f.setSize(new Dimension(800,600));
        	f.show();
		}





	public static void main(String argv[]) {
      	final Graphing demo = new Graphing();
      	demo.init();
      	Frame f = new Frame("Comet/Asteroid Orbit Determination and Ephemeris Software");
      	f.addWindowListener(new WindowAdapter() {
            	public void windowClosing(WindowEvent e) {System.exit(0);}
	        	});
        	f.add(demo);
        	f.pack();
        	f.setSize(new Dimension(800,600));
        	f.show();
		}


	}