三角関係
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test1.sh
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#!/usr/bin/perl
# $Id: TriangularRelationship.html,v 1.1 2009/06/22 16:12:02 kishi Exp kishi $
$rate = $ARGV[0];
# $x = 0.32;
# $y = 0.48;
# $z = 0.20;
$x = 0.7;
$y = 0.2;
$z = 0.1;
for ( $i = 0;$i < 800;$i++ ) {
$sum = $x + $y + $z;
# 増分を求める
$dx = $rate *$x * ( $y - $z ) / $sum;
$dy = $rate *$y * ( $z - $x ) / $sum;
$dz = $rate *$z * ( $x - $y ) / $sum;
$x += $dx;
$y += $dy;
$z += $dz;
printf( "%3d: ", $i );
printf( "%12.5f", $x );
printf( "%12.5f", $y );
printf( "%12.5f", $z );
printf( " (%12.5f)", $x + $y + $z );
printf( "\n" );
}
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CommonView.java
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import java.awt.*;
import java.util.*;
/**
* $Id: TriangularRelationship.html,v 1.1 2009/06/22 16:12:02 kishi Exp kishi $
* @author KISHI Yasuhiro
* ２次元座標をリスト化したものを線分で繋いで描画する汎用クラス
*/
public class CommonView implements Paintable {
private java.util.List list;
private Color color;
public void setModel( java.util.List list, Color color ) {
this.list = list;
this.color = color;
}
public void paint( Graphics g ) {
for ( int i = 1;i < list.size();i++ ) {
g.setColor( color );
double[] from = ( double[] ) list.get( i - 1 );
double[] to = ( double[] ) list.get( i );
g.drawLine( ( int ) from[ 0 ], ( int ) from[ 1 ], ( int ) to[ 0 ], ( int ) to[ 1 ] );
}
}
}
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DrawingPanel.java
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import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
/**
$Id: TriangularRelationship.html,v 1.1 2009/06/22 16:12:02 kishi Exp kishi $
@author KISHI Yasuhiro
*/
public class DrawingPanel extends JPanel implements Runnable {
private TriangularRelationshipModel model;
private CommonView view1, view2, view3;
public DrawingPanel() {
model = new TriangularRelationshipModel( 160, 50, 10.0 );
// VIEWとMODELの関連付け
view1 = new CommonView();
view1.setModel( model.getRedList(), Color.red );
view2 = new CommonView();
view2.setModel( model.getGreenList(), Color.green );
view3 = new CommonView();
view3.setModel( model.getBlueList(), Color.blue );
// スレッド開始
Thread thread = new Thread( this );
thread.start();
}
public void run() {
while ( true ) {
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
repaint();
}
}
);
try {
Thread.sleep( 100 );
} catch ( Exception e ) {
e.printStackTrace();
}
}
}
public void paintComponent( Graphics g ) {
int width = getWidth();
int height = getHeight();
// 画面クリア
g.setColor( Color.black );
// このコンポーネントのサイズを取得する
g.fillRect( 0 , 0 , width , height );
// 現在のパラメータを表示
g.setColor( Color.yellow );
StringBuilder message = new StringBuilder( "■三角関係モデル -- " );
try {
String currentRate = sprintf( "%8.2f", model.getRate() );
message.append( currentRate );
} catch ( Exception e ) {
e.printStackTrace();
}
g.drawString( message.toString(), 10, 550 );
// データを生成
model.generate( 0.7, 0.2, 0.1 );
// 描画
view1.paint( g );
view2.paint( g );
view3.paint( g );
// 成長パラメータを変化させる
model.augmentRate( 0.01 );
}
static String sprintf( String format, Object obj ) throws Exception {
String value = null;
try {
// C言語のsprinfもどき
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter( baos );
pw.printf( format, obj );
pw.flush();
pw.close();
value = baos.toString( "UTF8" );
baos.close();
} catch ( Exception e ) {
throw e;
} finally {
return value;
}
}
}
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Logarithm.java
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/**
$Id: TriangularRelationship.html,v 1.1 2009/06/22 16:12:02 kishi Exp kishi $
*/
public class Logarithm {
static double getValueByBaseOf( double number, double base ) {
return Math.log( number ) / Math.log( base );
}
static public void main( String[] args ) {
double a = 100.0;
System.out.printf( "%10.3f %10.3f %10.3f\n", a, Math.log( a ), Logarithm.getValueByBaseOf( a, 100.0 ) );
a = 200.0;
System.out.printf( "%10.3f %10.3f %10.3f\n", a, Math.log( a ), Logarithm.getValueByBaseOf( a, 100.0 ) );
a = 10000.0;
System.out.printf( "%10.3f %10.3f %10.3f\n", a, Math.log( a ), Logarithm.getValueByBaseOf( a, 100.0 ) );
a = 10.0;
System.out.printf( "%10.3f %10.3f %10.3f\n", a, Math.log( a ), Logarithm.getValueByBaseOf( a, 100.0 ) );
a = 1.0;
System.out.printf( "%10.3f %10.3f %10.3f\n", a, Math.log( a ), Logarithm.getValueByBaseOf( a, 100.0 ) );
}
}
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Paintable.java
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import java.awt.*;
/**
$Id: TriangularRelationship.html,v 1.1 2009/06/22 16:12:02 kishi Exp kishi $
@author KISHI Yasuhiro
*/
public interface Paintable {
public void paint( Graphics g );
}
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TriangularRelationship.java
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import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
* $Id: TriangularRelationship.html,v 1.1 2009/06/22 16:12:02 kishi Exp kishi $
* @author KISHI Yasuhiro
*/
public class TriangularRelationship extends JApplet {
public void init() {
Container contentPane = getContentPane();
contentPane.setLayout( new FlowLayout() );
DrawingPanel dp = new DrawingPanel();
dp.setPreferredSize( new Dimension( 800 , 600 ) );
contentPane.add( dp );
}
}
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TriangularRelationshipModel.java
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import java.util.*;
/**
* $Id: TriangularRelationship.html,v 1.1 2009/06/22 16:12:02 kishi Exp kishi $
* @author KISHI Yasuhiro
* 全体の総和は変化しないが、各々の増分が他の現在の状態に依存する系を表現したもの
*/
public class TriangularRelationshipModel {
private final int SIZE = 3;
private List[] theLists;
/** プロットする点の数 */
private int xSize;
/** プロットする点のX軸の間隔 */
private double xPitch;
private double yMax;
/** 成長パラメータ */
private double rate = 0.01;
private final double INITIAL_RATE = 0.01;
public TriangularRelationshipModel( int xSize, double yMax, double xPitch ) {
this.xSize = xSize;
this.yMax = yMax;
this.xPitch = xPitch;
theLists = new List[ 3 ];
for ( int i = 0;i < SIZE;i++ ) {
theLists[ i ] = new ArrayList();
}
}
public double getRate() {
return rate;
}
public void augmentRate( double plusValue ) {
rate += plusValue;
if ( rate > 6.0 ) {
rate = INITIAL_RATE;
}
}
public void generate( double r, double g, double b ) {
// リストをクリア
for ( int i = 0;i < SIZE; i++ ) {
theLists[ i ].clear();
}
for ( int i = 0;i < xSize; i++ ) {
double sum = r + g + b;
// 増分を求める
double dr = rate * r * ( g - b ) / sum;
double dg = rate * g * ( b - r ) / sum;
double db = rate * b * ( r - g ) / sum;
r += dr;
g += dg;
b += db;
double[] rPoint = new double[ 2 ];
rPoint[ 0 ] = i * xPitch;
rPoint[ 1 ] = r * yMax;
theLists[ 0 ].add( rPoint );
double[] gPoint = new double[ 2 ];
gPoint[ 0 ] = i * xPitch;
gPoint[ 1 ] = g * yMax;
theLists[ 1 ].add( gPoint );
double[] bPoint = new double[ 2 ];
bPoint[ 0 ] = i * xPitch;
bPoint[ 1 ] = b * yMax;
theLists[ 2 ].add( bPoint );
}
}
public List getRedList() {
return theLists[ 0 ];
}
public List getGreenList() {
return theLists[ 1 ];
}
public List getBlueList() {
return theLists[ 2 ];
}
static public void main( String[] args ) {
int xSize = 800;
double yMax = 600.0;
TriangularRelationshipModel model = new TriangularRelationshipModel( xSize, yMax, 1.0 );
model.generate( 0.7, 0.2, 0.1 );
List redList = model.getRedList();
List greenList = model.getGreenList();
List blueList = model.getBlueList();
for ( int i = 0;i < xSize;i++ ) {
double[] redPoint = ( double[] ) redList.get( i );
double[] greenPoint = ( double[] ) greenList.get( i );
double[] bluePoint = ( double[] ) blueList.get( i );
System.out.printf( "%3d:" , i );
System.out.printf( "%10.3f", redPoint[ 1 ] );
System.out.printf( "%10.3f", greenPoint[ 1 ] );
System.out.printf( "%10.3f", bluePoint[ 1 ] );
System.out.println();
}
}
}
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