smallqqplot.java

一个用于排队系统仿真的开源软件,有非常形象的图象仿真过程!

/**    
  * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

  * 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 2 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.

  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
package jmt.engine.jwat.workloadAnalysis.chart;

import java.awt.Color;
import java.awt.Cursor;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;
import javax.swing.JPanel;

import jmt.engine.jwat.VariableNumber;
import jmt.engine.jwat.workloadAnalysis.utils.JWatWorkloadManager;
import jmt.engine.jwat.workloadAnalysis.utils.ModelWorkloadAnalysis;

public class SmallQQPlot extends JPanel {
	private int x = -1;
	private ModelWorkloadAnalysis model = null;
	public static int NORMAL = 0;
	public static int EXPO = 1;
	private int distribution = NORMAL;
	private double[] normale = {-3.10000,-2.32635,-2.05375,-1.88079,-1.75069,-1.64485,-1.55477,-1.47579,-1.40507,-1.34076,
			-1.28155,-1.22653,-1.17499,-1.12639,-1.08032,-1.03643,-0.99446,-0.95417,-0.91537,-0.87790,
			-0.84162,-0.80642,-0.77219,-0.73885,-0.70630,-0.67449,-0.64335,-0.61281,-0.58284,-0.55338,
			-0.52440,-0.49585,-0.46770,-0.43991,-0.41246,-0.38532,-0.35846,-0.33185,-0.30548,-0.27932,
			-0.25335,-0.22754,-0.20189,-0.17637,-0.15097,-0.12566,-0.10043,-0.07527,-0.05015,-0.02507,
			0.00000,0.02507,0.05015,0.07527,0.10043,0.12566,0.15097,0.17637,0.20189,0.22754,
			0.25335,0.27932,0.30548,0.33185,0.35846,0.38532,0.41246,0.43991,0.46770,0.49585,
			0.52440,0.55338,0.58284,0.61281,0.64335,0.67449,0.70630,0.73885,0.77219,0.80642,
			0.84162,0.87790,0.91537,0.95417,0.99446,1.03643,1.08032,1.12639,1.17499,1.22653,
			1.28155,1.34076,1.40507,1.47579,1.55477,1.64485,1.75069,1.88079,2.05375,2.32635,
			3.10000};
	
	public SmallQQPlot(ModelWorkloadAnalysis model){
		setCursor(new Cursor(Cursor.HAND_CURSOR));
		setToolTipText("Double click to enlarge this graph");
		this.model = model;
		setSize(102,122);
		//Su panel grafico
		addMouseListener(new MouseAdapter(){
			// Creates new windows with enlarged graph
			public void mouseClicked(MouseEvent e){
				if(e.getClickCount() == 2){
					// Creates and sets up new window
					final JFrame plotFrame = new JFrame();
					
					JWatWorkloadManager.addJMTWindow(plotFrame);
					plotFrame.addWindowListener(new WindowAdapter(){
						public void windowClosing(WindowEvent e){
							JWatWorkloadManager.exit(plotFrame);
						}
						public void windowClosed(WindowEvent e){
							JWatWorkloadManager.exit(plotFrame);
						}
					});
					//plotFrame.setResizable(false);
					plotFrame.setSize(400,400);
					plotFrame.setContentPane(new EnlargeQQPlot(SmallQQPlot.this.model,x,distribution));
					if(distribution == NORMAL)
						plotFrame.setTitle("QQ-Plot of " + SmallQQPlot.this.model.getMatrix().getVariables()[x].getName() + " and Normal distribution");
					if(distribution == EXPO)
						plotFrame.setTitle("QQ-Plot of " + SmallQQPlot.this.model.getMatrix().getVariables()[x].getName() + " and Exponential distribution");
					plotFrame.setVisible(true);
				}
			}
		});
	}
	public void paintComponent(Graphics g){
		super.paintComponent(g);
		g.setColor(Color.WHITE);
		g.fillRect(0,0,202,122);
		//Draw Border
		g.setColor(Color.BLACK);
		g.drawRect(0,0,202,122);
		//Draw gray lines\
		Graphics2D g1 = (Graphics2D)g;
		g1.setColor(Color.LIGHT_GRAY);
		for(int i = 1;i < 9; i++){
			g1.drawLine(1,1 + (i * (122 / 9)),201,1 + (i * (122 / 9)));
			g1.drawLine(1+(i * (202 / 9)),1,1+(i * (202 / 9)),122);
		}
		g1.setColor(Color.BLACK);
		for(int i = 1;i < 9; i++){
			g1.drawLine(1,1 + (i * (122 / 9)),6,1 + (i * (122 / 9)));
			g1.drawLine(1+(i * (202 / 9)),1,1+(i * (202 / 9)),6);
			g1.drawLine(197,1 + (i * (122 / 9)),202,1 + (i * (122 / 9)));
			g1.drawLine(1+(i * (202 / 9)),117,1+(i * (202 / 9)),122);
		}
		//Draw graph
		if(x != -1){
			double mean = model.getMatrix().getVariables()[x].getUniStats().getMean();
			double var = model.getMatrix().getVariables()[x].getUniStats().getVariance();
			//Draw reference line
			g.setColor(Color.RED);
			g.drawLine(1,121,201,1);
			if(distribution == NORMAL){
				VariableNumber xvar = model.getMatrix().getVariables()[x];
				double xrange = xvar.getUniStats().getRangeValue();
				double yrange = ((normale[normale.length-1]*var)+mean) - ((normale[0]*var)+mean);
				int[] qx = xvar.getUniStats().getQuantili();
				double xmin = xvar.getUniStats().getMinValue();
				double ymax = ((normale[normale.length-1]*var)+mean);
				g.setColor(Color.BLUE);
				for(int i = 0; i < qx.length;i++){
					g.fillOval((int)(1 + ((xvar.getValue(qx[i]) - xmin)/xrange)*200),
							(int)(1 + ((ymax - ((normale[i]*var)+mean))/yrange)*120),
							1,1);
				}
			}
			if(distribution == EXPO){
				VariableNumber xvar = model.getMatrix().getVariables()[x];
				double xrange = xvar.getUniStats().getRangeValue();
				double yrange = (-Math.log(0.01)*mean) - (-Math.log(1)*mean);
				int[] qx = xvar.getUniStats().getQuantili();
				double xmin = xvar.getUniStats().getMinValue();
				double ymax = (-Math.log(0.01)*mean);
				g.setColor(Color.BLUE);
				for(int i = 0; i < qx.length;i++){
					g.fillOval((int)(1 + ((xvar.getValue(qx[i]) - xmin)/xrange)*200),
							(int)(1 + ((ymax - (-Math.log(1-(0.01*i))*mean))/yrange)*120),
							1,1);
				}
			}
		}
	}
	public void setVariables(int x){
		this.x = x;
		repaint();
	}
	public void setDistribution(int dis){
		distribution = dis;
		repaint();
	}
}