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TopologyApp.java
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/*
* SPDX-FileCopyrightText: 2023 Martin Geier <mailto:geier(at)irmb.tu-bs.de>
* SPDX-License-Identifier: GPL-3.0-or-later
*/
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*;
import java.awt.event.*;
import java.util.StringTokenizer;
public class TopologyApp extends JFrame {
// Assuming you have a SolverThread class inside your applet
private SolverThread solver;
private JLabel statusLabel;
/*static*/ int smax=1000000000;
/*static*/ int xmax=150;
/*static*/ ///*static*/ final float visscale= 1.0e2f;
/*static*/ int ymax=50;
/*static*/ //int inflow= 1100000;
/*static*/ int outflow= 50000000;
/*static*/ int penColor=1;
/*static*/ float om=1.99f;//1.259999f;
/*static*/ float vsc=20;
/*static*/ float sc=5;
/*static*/ int sz=1;
/*static*/ int t=0;
/*static*/ int[][][] dat;
/*static*/ float[][][] v;
//float[][][] ob;
float[][] alpha;
float[][] dalpha;
float vx=0;
float obom=0;
int vp=1;
JLabel imtek;//<img src='http://www.imtek.de/~geier/icons/imtekLoop.gif' alt='www.imtek.de'></html>");//(iconImtek);
JSlider vis;
JSlider pres;
JSlider step;
JSlider scaler;
JPanel control;
JPanel subcontrol;
JPanel butControl;
JPanel dispControl;
JLabel visShow;
ButtonGroup drawControl;
JRadioButton drawBut;
JRadioButton ereaseBut;
JRadioButton probBut;
JRadioButton voidBut;
JCheckBox colorToc;
JCheckBox clock;
Display display;
JPanel optControl;
JSlider optOmS;
JSlider optAS;
//JSlider optMS;
JSlider optPowS;
JSlider optExpS;
float optExp;
//float optM;
float optOm;
double optA;
double optSc;
int optS;//, optPow;
double q;
long start;
int time;
public TopologyApp() {
initUI();
solver = new SolverThread();
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
if (solver != null) {
solver.interrupt();
}
}
});
setTitle("Topology Application");
// setSize(1920, 1080);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private void initUI() {
{
obom=0;
q=0;
// String x=getParameter("x");
// String y=getParameter("y");
String x="200";
String y="100";
if (x!=null){xmax=Integer.parseInt(x);}
if (y!=null){ymax=Integer.parseInt(y);}
}
// optOm=0;
// optA=0;
optS = 0;
// optPow=1;
// optM=1;
optSc = 0;
optExp = 0.0f;
// isr=new InputStreamReader(System.in);
// input=new BufferedReader(isr);
// io=new IOThread();
imtek = new JLabel("<html><center><h1>www.imtek.de</h1></center></html>");// <img
// src='http://www.imtek.de/~geier/icons/imtekLoop.gif'
// alt='www.imtek.de'></html>");//(iconImtek);
vis = new JSlider(JSlider.HORIZONTAL, 10, smax / 2, (int) (smax / 3. * (1. / om - 0.5)));
pres = new JSlider(JSlider.HORIZONTAL, -1000, 1000, 0);
step = new JSlider(JSlider.HORIZONTAL, 1, 200, sz);
scaler = new JSlider(JSlider.HORIZONTAL, 1, 300, (int) vsc);
control = new JPanel();
subcontrol = new JPanel();
butControl = new JPanel();
dispControl = new JPanel();
visShow = new JLabel("kinematic viscosity=" + Float.toString(1.f / 3.f * (1.f / om - 0.5f)), JLabel.CENTER);
drawControl = new ButtonGroup();
drawBut = new JRadioButton("draw");
ereaseBut = new JRadioButton("erase");
probBut = new JRadioButton("probe");
voidBut = new JRadioButton("void");
colorToc = new JCheckBox("color");
clock = new JCheckBox("clock");
display = new Display();
optControl=new JPanel();
optOmS=new JSlider(JSlider.VERTICAL,0,500,0);
optAS=new JSlider(JSlider.VERTICAL,0,xmax*ymax,0);
//optMS=new JSlider(JSlider.VERTICAL,0,999,0);
optPowS=new JSlider(JSlider.VERTICAL,0,1000,(int)(obom*1000));
optExpS=new JSlider(JSlider.VERTICAL,0,100,(int)(optExp*100));
// set the default look and feel
String laf = UIManager.getSystemLookAndFeelClassName();
try {
UIManager.setLookAndFeel(laf);
} catch (UnsupportedLookAndFeelException exc) {
System.err.println ("Warning: UnsupportedLookAndFeel: " + laf);
} catch (Exception exc) {
System.err.println ("Error loading " + laf + ": " + exc);
}
Container cp=getContentPane();
//Container cp=new Container();
vis.addChangeListener(new ChangeListener(){
public void stateChanged(ChangeEvent e){
int val=((JSlider)e.getSource()).getValue();
om=1.f/(3.f*val/smax+0.5f);
//om=2.0f*(1.0f-(float)Math.exp((float)val/((float)smax))/(float)Math.exp(1.0));
float nu=1.f/3.f*(1.f/om-0.5f);
showStatus("New kinematic Viscosity="+Float.toString(nu));
visShow.setText("kinematic viscosity="+Float.toString(1.f/3.f*(1.f/om-0.5f)));
visShow.repaint();
}});
pres.addChangeListener(new ChangeListener(){
public void stateChanged(ChangeEvent e){
vx=((JSlider)e.getSource()).getValue()/50000.0f;
vp=(vx>0) ? 1 : 0;
//float dp=(float)inflow/((float)outflow);
showStatus("New flow speed="+Float.toString(vx));
//vx=dp-1;//(2.0f*inflow)/(inflow+outflow);
}
});
step.addChangeListener(new ChangeListener(){
public void stateChanged(ChangeEvent e){
sz=((JSlider)e.getSource()).getValue();
showStatus(Integer.toString(sz)+" time steps between display update");
}
});
//b1.addActionListener(a1);
//b1.setToolTipText("press");
scaler.addChangeListener(new ChangeListener(){public void stateChanged(ChangeEvent e){
vsc=((JSlider)e.getSource()).getValue();
}});
optOmS.addChangeListener(new ChangeListener(){
public void stateChanged(ChangeEvent e){
int val=((JSlider)e.getSource()).getValue();
optSc=val/500.f;
showStatus("New rate of change="+Float.toString((float)optSc));
//optSc=Math.log(1-optSc);
}});
optAS.addChangeListener(new ChangeListener(){
public void stateChanged(ChangeEvent e){
optS=((JSlider)e.getSource()).getValue();
showStatus("New number of solid sites="+Integer.toString(optS));
}});
/*optMS.addChangeListener(new ChangeListener(){
public void stateChanged(ChangeEvent e){
optM=1-(((JSlider)e.getSource()).getValue()/1000.f);
showStatus("Maximal poreausity="+Float.toString(1-optM));
}});*/
optPowS.addChangeListener(new ChangeListener(){
public void stateChanged(ChangeEvent e){
obom=(((JSlider)e.getSource()).getValue());
obom=obom/1001.0f;
showStatus("Lowpass coefficient="+Float.toString(obom));
}});
optExpS.addChangeListener(new ChangeListener(){
public void stateChanged(ChangeEvent e){
optExp=(((JSlider)e.getSource()).getValue())/100.f;
showStatus("Rate of momentum exchange="+Float.toString(optExp));
}});
drawBut.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){penColor=1;}
});
ereaseBut.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){penColor=0;}
});
probBut.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){penColor=2;}
});
voidBut.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){penColor=3;}
});
clock.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
if (clock.isSelected()){start=System.currentTimeMillis();time=t;}
else {start=System.currentTimeMillis()-start;time=t-time;}
}
});
vis.setToolTipText("Adjust viscosity");
pres.setToolTipText("Adjust inflow speed");
step.setToolTipText("Set number of time steps between display update");
scaler.setToolTipText("Adjust scaling");
optOmS.setToolTipText("Adjust rate of change");
optAS.setToolTipText("Adjust solid fraction");
//optMS.setToolTipText("Adjust poreausity");
optExpS.setToolTipText("Adjust rate of momentum exchange with solid");
optPowS.setToolTipText("Adjust lowpass coefficient");
subcontrol.setLayout (new FlowLayout());
control.setLayout(new BorderLayout());
//cp.add(b1);
//cp.add(b2);
//int w=vis.getPreferredSize().height;
//vis.setPreferredSize(new Dimension(300,w));
control.add(BorderLayout.NORTH,vis);
control.add(BorderLayout.CENTER,pres);
drawControl.add(drawBut);
drawBut.setEnabled(true);
drawControl.add(ereaseBut);
drawControl.add(voidBut);
drawControl.add(probBut);
//subcontrol.add(imtek);
//subcontrol.add(colorToc);
//butControl.setLayout(new BorderLayout());
butControl.setLayout(new BoxLayout(butControl,BoxLayout.Y_AXIS));
butControl.add(colorToc);
butControl.add(drawBut);
butControl.add(ereaseBut);
butControl.add(voidBut);
butControl.add(probBut);
//butControl.add(BorderLayout.NORTH,drawBut);
//butControl.add(BorderLayout.CENTER,ereaseBut);
//butControl.add(BorderLayout.SOUTH,voidBut);
//butControl.add(BorderLayout.EAST,probBut);
subcontrol.add(butControl);
//dispControl.setLayout(new BorderLayout());
//dispControl.add(BorderLayout.WEST,step);
//dispControl.add(BorderLayout.EAST,scaler);
//dispControl.add(BorderLayout.NORTH,imtek);
//dispControl.add(BorderLayout.SOUTH,visShow);
dispControl.setLayout(new BoxLayout(dispControl,BoxLayout.Y_AXIS));
dispControl.add(imtek);
dispControl.add(step);
dispControl.add(scaler);
dispControl.add(clock);
//dispControl.add(visShow);
subcontrol.add(dispControl);
//subcontrol.add(drawControl);//
control.add(BorderLayout.SOUTH,subcontrol);
display.setPreferredSize(new Dimension(1000,600));
display.setBackground(Color.white);
// optControl.setLayout(new BorderLayout());
// optControl.add(BorderLayout.WEST,optOmS);
// optControl.add(BorderLayout.CENTER,optAS);
optControl.setLayout(new BoxLayout(optControl,BoxLayout.X_AXIS));
optControl.add(optOmS);
optControl.add(optAS);
optControl.add(optExpS);
optControl.add(optPowS);
dat=new int[xmax][ymax][10]; //r nw w sw s se e ne n id
v=new float[xmax][ymax][2];
alpha=new float[xmax][ymax];
dalpha=new float[xmax][ymax];
//ob=new float[xmax][ymax][2];
for (int xi=1; xi<xmax; xi++){
for (int yi=0;yi<ymax; yi++){
dat[xi][yi][1]=dat[xi][yi][3]=dat[xi][yi][5]=dat[xi][yi][7]=outflow;
dat[xi][yi][2]=dat[xi][yi][4]=dat[xi][yi][6]=dat[xi][yi][8]=4*outflow;
dat[xi][yi][0]=16*outflow;
}
//start=System.currentTimeMillis();
}
/*
// for Zhenyu
for (int xi=1; xi<xmax;xi++){dat[xi][0][9]=1;dat[xi][ymax-1][9]=1;}
int length=(int)(xmax*3.5f/12.5f);
int height=12;
for (int xi=1; xi<length;xi++){
for(int yi=1; yi<ymax;yi++){dat[xi][yi][9]=3;dat[xmax-xi][yi][9]=3;}
for (int yi=1; yi<6; yi++){dat[xi][yi][9]=1; dat[xi][ymax-yi][9]=1;dat[xmax-xi][yi][9]=1; dat[xmax-xi][ymax-yi][9]=1;}
for (int yi=ymax/2-height; yi<ymax/2+height; yi++){
dat[xi][yi][9]=1;
dat[xmax-xi][yi][9]=1;
}
}
// !Zhenyu
*/
// for (int i=5; i<100; i++){for(int j=5; j<20; j++){dat[i][j][9]=10;}}
/*SolverThread*/
{
// Boundary Conditions
// String BC= " 25 23 c 25 27 bs";
// TODO: https://git.rz.tu-bs.de/irmb/legacy-lbm-topology-optimization/-/issues/1
String BC = null;
if (BC != null) {
StringTokenizer st = new StringTokenizer(BC);
int n=st.countTokens()/3;
int x1=0;
int y1=0;
for (int i=0; i<n; i++){
int xc=Integer.parseInt(st.nextToken());
int yc=Integer.parseInt(st.nextToken());
v[xc][yc][0]=0;
v[xc][yc][1]=0;
alpha[xc][yc]=0;
String k=st.nextToken();
//System.out.println(k);
if (k.compareTo("s")==0 | k.compareTo("S")==0) {dat[xc][yc][9]=1;}
else if (k.compareTo("v")==0 | k.compareTo("V")==0) {dat[xc][yc][9]=3;}
else if (k.compareTo("p")==0 | k.compareTo("P")==0) {dat[xc][yc][9]=2;}
else if (k.compareTo("c")==0 | k.compareTo("C")==0) {x1=xc;y1=yc;}
else if (k.compareTo("bs")==0 | k.compareTo("BS")==0) {
for (int xi=x1; xi<=xc; xi++){
for (int yi=y1; yi<=yc; yi++){dat[xi][yi][9]=1;}
}
}
else if (k.compareTo("bv")==0 | k.compareTo("BV")==0) {
for (int xi=x1; xi<=xc; xi++){
for (int yi=y1; yi<=yc; yi++){dat[xi][yi][9]=3;}
}
}
}
}
}
statusLabel = new JLabel("Status information");
statusLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
statusLabel.setBorder(BorderFactory.createLoweredBevelBorder());
JPanel statusPanel = new JPanel();
statusPanel.setLayout(new BoxLayout(statusPanel, BoxLayout.X_AXIS));
statusPanel.add(statusLabel);
statusPanel.add(Box.createHorizontalGlue());
JPanel southPanel = new JPanel();
southPanel.setLayout(new BoxLayout(southPanel, BoxLayout.Y_AXIS));
southPanel.add(control);
southPanel.add(Box.createVerticalStrut(5)); // 添加间隔
southPanel.add(statusPanel);
// optControl.add(BorderLayout.EAST,optExpS);
cp.add(BorderLayout.EAST,optControl);
// cp.add(BorderLayout.SOUTH,southPanel);
cp.add(BorderLayout.CENTER,display);
cp.add(southPanel, BorderLayout.SOUTH);
}
// private void setUpWindowListeners() {
// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// }
public class Display extends JPanel implements MouseListener, MouseMotionListener {
public Display(){this.addMouseListener(this);
this.addMouseMotionListener(this);
}
public void paintComponent(Graphics g){
super.paintComponent(g);
if (clock.isSelected()){
g.drawString("Time (s): "+Float.toString((System.currentTimeMillis()-start)/1000.f),10,(int)(sc*ymax+15));
g.drawString("Timestep: "+Integer.toString(t-time),150,(int)(sc*ymax+15));
}
else {
g.setColor(Color.blue);
g.drawString("Time (s): "+Float.toString((start)/1000.f),10,(int)(sc*ymax+15));
g.drawString("Timestep: "+Integer.toString(time),150,(int)(sc*ymax+15));
}
boolean ct=colorToc.isSelected();
g.setColor(Color.blue);
//g.drawLine(1,1,20,20);
for (int xi=xmax-1;xi>0;xi--){
//
//g.drawLine((int)((xi)*sc),(int)((ymax)*sc+dat[xi][0][0]/(outflow/15)),(int)((xi-1)*sc),(int)((ymax)*sc+dat[xi-1][0][0]/(outflow/15)));
//
for (int yi=0;yi<ymax;yi++){
// System.out.println(Float.toString(v[xi][yi][0]));
float c=(1-alpha[xi][yi]);
//g.setColor(Color.getHSBColor((float)(alpha[xi][yi]/2-0.5),0.95f,1f));
if(c<0.95 && dat[xi][yi][9]==0){
g.setColor(new Color(c,c,c));
g.fillRect((int)((xi-0.5)*sc),(int)((yi-0.5)*sc),(int)sc,(int)sc);
}
else{
g.setColor(Color.blue);
switch (dat[xi][yi][9]){
//case 10 :
case 3:
g.setColor(Color.yellow);
g.fillRect((int)((xi-0.5)*sc),(int)((yi-0.5)*sc),(int)sc,(int)sc);
g.setColor(Color.blue);
case 0:
//if (dat[xi][yi][9]==0){
//if( (xi%3==0) & (yi%3==0)) {
//-- Hightest
//float den=0.1f*(dat[xi][yi][0]-(12.0f)*outflow*0.8f)/outflow;
if (ct){
float dep=((float)Math.sqrt(v[xi][yi][0]*v[xi][yi][0]+v[xi][yi][1]*v[xi][yi][1]));
g.setColor(Color.getHSBColor((float)(0.5f+dep*10),0.95f,1f));}
//System.out.println(Float.toString(dep));
//--!Hightest
g.drawLine((int)((xi)*sc),(int)((yi)*sc),(int)(((xi)+v[xi][yi][0]*vsc)*sc),(int)(((yi)-v[xi][yi][1]*vsc)*sc));
break;
//}
//}
//else{
case 1:
g.setColor(Color.green);
g.fillRect((int)((xi-0.5)*sc),(int)((yi-0.5)*sc),(int)sc,(int)sc);
g.setColor(Color.blue);
break;
case 2:
g.setColor(Color.red);
g.fillRect((int)((xi-0.5)*sc),(int)((yi-0.5)*sc),(int)sc,(int)sc);
g.setColor(Color.black);
//g.drawLine((int)(xi*sc),(int)(yi*sc),(int)((xi+v[xi][yi][0]*vsc)*sc),(int)((yi-v[xi][yi][1]*vsc)*sc));
g.drawString("("+Float.toString(v[xi][yi][0])+","+Float.toString(v[xi][yi][1])+","+Float.toString(alpha[xi][yi])+")",(int)(xi*sc),(int)(yi*sc));
g.setColor(Color.blue);
break;
}
}
}
}
//g.drawString(Float.toString(om), 40, 80);
}
int xa=0,
ya=0;
//bool pressed=false
public void mouseMoved (MouseEvent e){
int x=(int)(e.getX()/sc+0.5);
int y=(int)(e.getY()/sc+0.5);
showStatus("("+Integer.toString(x)+","+Integer.toString(y)+")");
}
public void mouseEntered (MouseEvent e){}
public void mouseClicked (MouseEvent e){}
public void mouseReleased (MouseEvent e){}
public void mouseDragged (MouseEvent e){
//showStatus("MouseDraggeed");
int x=(int)(e.getX()/sc+0.5);
int y=(int)(e.getY()/sc+0.5);
if (x<xmax & y<ymax) {
int dx=x-xa;
int dy=y-ya;
int o,u,o1,u1;
if (Math.abs(dx)>Math.abs(dy)){
if (xa<x){u=xa;
u1=ya;
o=x;
o1=y;}
else {o=xa;
o1=ya;
u=x;
u1=y;}
for (int i=u;i<o;i++){
dat[i][u1+(o1-u1)*(i-u)/(o-u)][9]=penColor;
alpha[i][u1+(o1-u1)*(i-u)/(o-u)]=0.9f;
v[i][u1+(o1-u1)*(i-u)/(o-u)][0]=0;
v[i][u1+(o1-u1)*(i-u)/(o-u)][1]=0;
}
}
else{
if (ya<y){u=ya;
u1=xa;
o=y;
o1=x;}
else {o=ya;
o1=xa;
u=y;
u1=x;}
for (int i=u;i<o;i++){
dat[u1+(o1-u1)*(i-u)/(o-u)][i][9]=penColor;
alpha[u1+(o1-u1)*(i-u)/(o-u)][i]=0.9f;
v[u1+(o1-u1)*(i-u)/(o-u)][i][0]=0;
v[u1+(o1-u1)*(i-u)/(o-u)][i][1]=0;
}
}
dat[x][y][9]=penColor;
alpha[xa][ya]=0;}
xa=x;
ya=y;
repaint();
}
public void mousePressed (MouseEvent e){
//showStatus("MausPressesd");
xa=(int)(e.getX()/sc+0.5);
ya=(int)(e.getY()/sc+0.5);
if (xa<xmax & ya<ymax) {dat[xa][ya][9]=penColor;
alpha[xa][ya]=0.9f;
v[xa][ya][0]=0;
v[xa][ya][1]=0;
}
repaint();
}
public void mouseExited (MouseEvent e){
// showStatus("");
}
};
public class SolverThread extends Thread{
SolverThread(){start();}
public void run(){
// while(true){
// update(sz);
// display.repaint();
// }
try {
while (!Thread.currentThread().isInterrupted()) {
// Perform task
update(sz);
display.repaint();
// Check for interruption
if (Thread.interrupted()) {
// Clear interrupted status and handle interruption
throw new InterruptedException();
}
}
} catch (InterruptedException e) {
// Thread was interrupted, perform cleanup
}
}
public void update(int times){
for (int i=0; i<times; i++){
for (int yi=0;yi<ymax;yi++){
// showStatus(Integer.toString(inflow));
int ei=-t+((xmax-1+t)/xmax)*xmax;
int wi=+t-((t)/xmax)*xmax;
int ni=yi+t-((yi+t)/ymax)*ymax;
int si=yi-t+((ymax-1-yi+t)/ymax)*ymax;
//System.out.println(Integer.toString(wi));
final float ov=0.95f;
//final float ow=0.999f;
float vvx=(vx*(1-ov*(vp))+v[xmax-1][yi][0]*ov*(vp));//(v[xmax][yi-1][0]+v[xmax][yi][0]+v[xmax][yi+1][0])/3*(1.0f-ov)+ov*vx;
float vy= vp*ov*(dat[ei][ni][7]-dat[ei][si][5])/((float)(dat[ei][ni][7]+dat[ei][si][5]+dat[ei][yi][6]));//(v[xmax-1][yi][1]*ov);//(v[xmax][yi-1][1]+v[xmax][yi][1]+v[xmax][yi+1][1])/3*(1.0f-ov);
float vy2=(1-vp)*ov*(dat[wi][ni][7]-dat[wi][si][5])/((float)(dat[wi][ni][7]+dat[wi][si][5]+dat[wi][yi][6]));
//float rh=outflow*(1.0f-ow)+ow*(dat[xmax-1][yi][0]*(9.0f/4.0f/36.0f)/(1.0f-(3.0f/2.0f)*(vvx*vvx+vy*vy)));
//rh=outflow;
dat[wi][ni][1]=(int)(outflow*(1+3*(-vvx+vy+vvx*vvx+vy*vy)));
dat[wi][si][3]=(int)(outflow*(1+3*(-vvx-vy+vvx*vvx+vy*vy)));
dat[wi][yi][2]=(int)(4*outflow*(1+3*(-vvx+vvx*vvx)));
vvx=(vx*(1-ov*(1-vp))+v[1][yi][0]*ov*(1-vp));//(v[1][yi-1][0]+v[1][yi][0]+v[1][yi+1][0])/3*(1.0f-ov)+ov*vx;
//vy=(v[1][yi][1]*ov*(1-vp));//(v[1][yi-1][1]+v[1][yi][1]+v[1][yi+1][1])/3*(1.0f-ov);
//rh=outflow*(1.0f-ow)+ow*(dat[1][yi][0]*(9.0f/4.0f/36.0f)/(1.0f-(3.0f/2.0f)*(vvx*vvx+vy2*vy2)));
dat[ei][si][5]=(int)(outflow*(1+3*(vvx-vy2+vvx*vvx+vy2*vy2)));
dat[ei][ni][7]=(int)(outflow*(1+3*(vvx+vy2+vvx*vvx+vy2*vy2)));//inflow;
dat[ei][yi][6]=(int)(4*outflow*(1+3*(vvx+vvx*vvx)));//4*inflow;
//dat[wi][10][9]=1;
}
float rho,vx,vy;
//double q=0;
//for (int chess=0; chess<2;chess++)
//for (int ch=0; ch<2;ch++)
{
{
for (int xi=1/*+cess*/;xi<xmax;xi++){
for (int yi=0/*+((chess+ch==1) ? 1 :0)*/;yi<ymax;yi++){
//
//for (int ii=0; ii<10000; ii++){{
//int xi=(int)(Math.random()*(xmax-1));
//int yi=(int)(Math.random()*(ymax-1));
//
int ei=xi-t+((xmax-1-xi+t)/xmax)*xmax;
int wi=xi+t-((xi+t)/xmax)*xmax;
int ni=yi+t-((yi+t)/ymax)*ymax;
int si=yi-t+((ymax-1-yi+t)/ymax)*ymax;
//dat[ei][0][9]=1;
int nw=dat[wi][ni][1];
int w=dat[wi][yi][2];
int sw=dat[wi][si][3];
int s=dat[xi][si][4];
int se=dat[ei][si][5];
int e=dat[ei][yi][6];
int ne=dat[ei][ni][7];
int n=dat[xi][ni][8];
int r=dat[xi][yi][0];
switch( dat[xi][yi][9]){
//if (dat[xi][yi][9]==1){
case 1:
dat[wi][ni][1]=se;
dat[wi][yi][2]=e;
dat[wi][si][3]=ne;
dat[xi][si][4]=n;
dat[ei][si][5]=nw;
dat[ei][yi][6]=w;
dat[ei][ni][7]=sw;
dat[xi][ni][8]=s;
break;
//}
//else{
case 10:
default:
rho=nw+w+sw+s+se+e+ne+n+r+1.0e-10f;
float al=alpha[xi][yi];
al=al*al*al;
int px=(int)(al*optExp*(ne+e+se-nw-w-sw)/6);
int py=(int)(al*optExp*(ne+n+nw-se-s-sw)/6);
float om_n=0.5f*al+(1-al)*om;
vx=(ne+e+se-nw-w-sw)/rho;
vy=(ne+n+nw-se-s-sw)/rho;
vx= (vx> 0.4f ) ? 0.4f : ((vx< -0.4f) ? -0.4f : vx);
vy= (vy> 0.4f ) ? 0.4f : ((vy< -0.4f) ? -0.4f : vy);
v[xi][yi][0]=vx;
v[xi][yi][1]=vy;
//ob[xi][yi][0]=(1-obom)*ob[xi][yi][0]+obom*vx;
//ob[xi][yi][1]=(1-obom)*ob[xi][yi][1]+obom*vy;
nw+=px-py;
w+=px;
sw+=px+py;
s+=py;
n-=py;
se+=-px+py;
e+=-px;
ne+=-px-py;
//double pp=(alpha[xi][yi]*alpha[xi][yi]*(py*py+px*px)/(4*rho*rho));
//alpha[xi][yi]+=(0.001f-pp)*0.00001f;
//alpha[xi][yi]= (alpha[xi][yi]<1e-4f) ? 1e-4f : ((alpha[xi][yi]>0.9999f) ? 0.9999f : alpha[xi][yi]);
// double pp;//=vx*vx+vy*vy;
//double ppx=(vx*(alpha[((xi>1) ? xi-1 : xmax-1)][(yi+1)%ymax]+alpha[xi][(yi+1)%ymax]+alpha[(xi+1)%xmax][(yi+1)%ymax]-alpha[((xi>1) ? xi-1 : xmax-1)][((yi>1) ? yi-1 : ymax-1)]-alpha[xi][((yi>1) ? yi-1 : ymax-1)]-alpha[(xi+1)%xmax][((yi>1) ? yi-1 : ymax-1)]));
//double ppy=vy*(alpha[(xi+1)%xmax][((yi>1) ? yi-1 : ymax-1)]+alpha[(xi+1)%xmax][(yi+1)%ymax]-alpha[((xi>1) ? xi-1 : xmax-1)][((yi>1) ? yi-1 : ymax-1)]-alpha[((xi>1) ? xi-1 : xmax-1)][yi]-alpha[((xi>1) ? xi-1 : xmax-1)][(yi+1)%ymax]);
//double pp=ppx*ppx+ppy*ppy;
// pp=1+pp;
//pp=pp*pp;
//pp=pp*pp;
//pp=pp*pp;
// pp=Math.pow(pp,optPow);
// pp=pp*pp-1;
//optOm=0.5f;
vx=(ne+e+se-nw-w-sw)/rho;
vy=(ne+n+nw-se-s-sw)/rho;
//al=(float)(al+optA*(3*(vx*vx+vy*vy)-2*(vvx*vx+vvy*vy)));
//--- inverse
//double sal=alpha[(xi+1)%xmax][yi]+alpha[((xi>1) ? xi-1 : xmax-1)][yi]+alpha[xi][(yi+1)%ymax]+alpha[xi][((yi>1) ? yi-1 : ymax-1)];
//if (sal>0.5f)
//original!
/*{al=(float)((1-optOm)*al+optOm*(1-pp*optA));}
q+=(alpha[xi][yi]= (al<1e-9f) ? 1e-9f : ((al>optM) ? optM : al))/optM;*/
//default:
//rho=nw+w+sw+s+se+e+ne+n+r+1.0e-10f;
//float o= (Math.abs(vx)<0.3 | Math.abs(vy)<0.3)? om:1;
//if (o==1){System.out.println("om1");}
//int NP=(int)(((n+s+e+w)*(1./6.)+1./12.*(ne+nw+se+sw-rho)));
int P=(int)(1./12.*(rho*(vx*vx+vy*vy)-e-n-s-w-2*(se+sw+ne+nw-1./3.*rho)));
int NE=(int)(om_n*0.25*(n+s-e-w+rho*(vx*vx-vy*vy)));
int V=(int)(om_n*((ne+sw-nw-se)-vx*vy*rho)*0.25);
int UP=(int)(-(.25*(se+sw-ne-nw-2.*vx*vx*vy*rho+vy*(rho-n-s-r))-vy*.5*(-3.*P-NE)+vx*((ne-nw-se+sw)*.5-2*V)));
int RIGHT=(int)(-(.25*(sw+nw-se-ne-2.*vy*vy*vx*rho+vx*(rho-r-w-e))-vx*.5*(-3.*P+NE)+vy*((ne+sw-se-nw)*.5-2*V)));
int NP=(int)(0.25f*(
rho*(1.f/9.f)-ne-nw-se-sw-8*P
+2*(vx*(ne-nw+se-sw-4*RIGHT)+vy*(ne+nw-se-sw-4*UP))
+4*vx*vy*(-ne+nw+se-sw+4*V)
+vx*vx*(-n-ne-nw-s-se-sw+2*NE-6*P)
+vy*vy*((-e-ne-nw-se-sw-w-2*NE-6*P)+3*vx*vx*rho)
));
dat[wi][ni][1]=nw+2*P+NP+V-UP+RIGHT;
dat[wi][yi][2]=w-P-2*NP+NE-2*RIGHT;
dat[wi][si][3]=sw+2*P+NP-V+UP+RIGHT;
dat[xi][si][4]=s-P-2*NP-NE-2*UP;
dat[ei][si][5]=se+2*P+NP+V+UP-RIGHT;
dat[ei][yi][6]=e-P-2*NP+NE+2*RIGHT;
dat[ei][ni][7]=ne+2*P+NP-V-UP-RIGHT;
dat[xi][ni][8]=n-P-2*NP-NE+2*UP;
dat[xi][yi][0]=r+(4*(-P+NP));
//-----v change
// double dx=(vx-v[xi][yi][0])/(vx+1.0e-9);
// double dy=(vy-v[xi][yi][1])/(vy+1.0e-9);
//-----
/*v[xi][yi][0]=vx;
v[xi][yi][1]=vy;*/
//Stresstest
//original!
//System.out.println(Float.toString(-(float)((dx*dx+dy*dy)*optPow*0.0)));
//double pp_=vx*vx+vy*vy;
// pp=vx*vx+vy*vy-((dx*dx+dy*dy)*optPow/1000);
//if (pp!=pp_){
//System.out.println(Double.toString(pp-pp_));}
//!!pp=(vx*vx+vy*vy)-(double)P/rho*optPow;//-((double)V*(double)V+(double)NE*(double)NE)/(rho*rho)*optPow;
//!!{al=(float)((1-optOm)*al+optOm*(1-pp*optA));}
//System.out.println(Double.toString((double)pp));
//System.out.println(Double.toString((V*V+NE*NE)));
//!!q+=(alpha[xi][yi]= (al<1e-9f) ? 1e-9f : ((al>optM) ? optM : al))/optM;
//
}
}
}
}
}
//if(t%10==0)
{//double aa;
//do{//testloop
{
// mass(q);
// q=updateGeo(updateGradient(),0.9f*q+0.1f*optS);
updateGradient();
inversePore(optSc,eq());
}
//aa=optA;
//optA=(int)(optA*(1+/*optOm*/2*(q-optS)/(xmax*ymax)));//abhaengigkeit geaendert 21.7.05
//optA=(optA<1) ? 1 : optA;
// optA=optA+(optS-q)/(xmax*ymax);
//optA=0.1*optA+0.9*aa;
//System.out.println(Float.toString((float)optA));
//aa=(optA-aa)/(optA+aa);
//aa*=aa;
//}while(aa>1.0e-15);//testloop
}
//mass(q);
t++;
}
}
public double eq (){
double sum=1e-100;
int remove=0;
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
if (alpha[xi][yi]>0.1f) sum+=dalpha[xi][yi];//(v[xi][yi][0]*v[xi][yi][0]+v[xi][yi][1]*v[xi][yi][1]);//dalpha[xi][yi];
else remove++;
}
}
double ret =(xmax*ymax-optS-remove)/(sum);
return (ret<0) ? 0 : ret;
}
public void inversePore(double om, double eq){
//System.out.println(Double.toString(om));
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
double a=(float)(1-((1-alpha[xi][yi])*(1-om)+om*(eq*dalpha[xi][yi])));//(alpha[xi][yi]/((1.-om)+eq*alpha[xi][yi]*om*(dalpha[xi][yi])+1.0e-10));
//System.out.println(Double.toString(a));
//System.out.println(Double.toString(eq));
alpha[xi][yi]= (a>0.99999f) ? 0.999999f : ((a<1e-10f) ? 1e-10f : (float)a);
}
}
}
/* public void mass (double q1){
if (optS>0){
if (q1>optS){
float sc=(float)((q1*0.9f+0.1f*optS)/q1);
//System.out.println(Float.toString(sc));
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
alpha[xi][yi]*=sc;//sc;
}
}
}
else {
float sc=(float)((xmax*ymax-(q1*0.9f+0.1f*optS))/(xmax*ymax-q1));
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
alpha[xi][yi]=1-sc*(1-alpha[xi][yi]);//sc;
}
}
}
}
}*/
public double updateGradient(){
double app=0;
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
int wi=xi-1+((xmax-xi)/xmax)*xmax;
int ei=xi+1-((xi+1)/xmax)*xmax;
int si=yi+1-((yi+1)/ymax)*ymax;
int ni=yi-1+((ymax-yi)/ymax)*ymax;
float vx=v[xi][yi][0];
float vy=v[xi][yi][1];
float vx1=v[wi][yi][0]+v[ei][yi][0]+v[xi][si][0]+v[xi][ni][0];
float vx2=v[wi][ni][0]+v[wi][si][0]+v[ei][ni][0]+v[ei][si][0];
float vy1=v[wi][yi][1]+v[ei][yi][1]+v[xi][si][1]+v[xi][ni][1];
float vy2=v[wi][ni][1]+v[wi][si][1]+v[ei][ni][1]+v[ei][si][1];
vx=(vx*16+vx1*4+vx2)/36;
vy=(vy*16+vy1*4+vy2)/36;
//vx=(vy*vy+vx*vx);
//vx=vx*vx*vx;
// float al=(alpha[xi][yi]*16+(alpha[wi][yi]+alpha[ei][yi]+alpha[xi][ni]+alpha[xi][si])*4+alpha[ei][ni]+alpha[ei][si]+alpha[wi][ni]+alpha[wi][si])/36-1;
//final float b=0.8f;
app+=dalpha[xi][yi]=dalpha[xi][yi]*(obom) +(1-obom)*(vy*vy+vx*vx)+1.0e-20f;//*/*(1.000001f-(float)Math.exp(-al*50));*/((float)Math.exp(-al*al*optExp));//(1-0.9f*alpha[xi][yi]);
//dalpha[xi][ni]-=(vx*vx)*((float)Math.exp(-al*al/2007.42));
//dalpha[xi][si]-=(vx*vx)*((float)Math.exp(-al*al/2007.42));
//dalpha[ei][yi]-=(vy*vy)*((float)Math.exp(-al*al/2007.42));
//dalpha[wi][yi]-=(vy*vy)*((float)Math.exp(-al*al/2007.42));
}}
//return 1;
return (app+1e-16)/(xmax*ymax);
}
/*public void orthoGrad(){
for (int yi=1;yi<ymax;yi+=2){
for (int xi=2; xi<xmax;xi+=2){
float a1,a2,a3,a4;
a1=dalpha[xi-1][yi-1];
a2=dalpha[xi][yi-1];
a3=dalpha[xi-1][yi];
a4=dalpha[xi][yi];
dalpha[xi-1][yi-1]+=a4*0.1f;
dalpha[xi][yi-1]+=-a3*0.1f;
dalpha[xi-1][yi]+=a2*0.1f;
dalpha[xi][yi]+=-a1*0.1f;
}}
}*/
/*public void redGrad(){
for (int yi=1;yi<ymax;yi+=2){
for (int xi=2; xi<xmax;xi+=2){
float a;
a=(dalpha[xi-1][yi-1]+dalpha[xi][yi-1]+dalpha[xi-1][yi]+dalpha[xi][yi])/4;
dalpha[xi-1][yi-1]-=a;
dalpha[xi][yi-1]-=a;
dalpha[xi-1][yi]-=a;
dalpha[xi][yi]-=a;
}}
}*/
public double updateGeo(double app_o,double qa){
//double app;
double q = 0;
double dq = 0;
//--logistic controll
/*
{
//double minC=0;
double slopC=0;
double slopD=0;
float pmin=0;
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
float pp=(float)(-dalpha[xi][yi]);
float al=alpha[xi][yi];
if (al>1.0e-9f){
//minC-=al;
slopC+=pp;
}
pmin=(pmin<pp)? pmin :pp;
}}
//if (-slopC/app_o>qa){
app=(qa+1e-10f)/(-slopC+1e-10f)*2;
//}
//else app=app_o;
slopC/=app_o;
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
if (alpha[xi][yi]<0.9999f){slopD+=-dalpha[xi][yi]/app-pmin;}
}}
double maxC=(xmax-1)*ymax-qa;
double bb=((-qa-maxC)/(slopC-maxC+1e-20)-1);//-(1-(-qa-maxC)/(slopC-maxC+1.0e-20));
System.out.println(Float.toString((float)app));
System.out.println(Float.toString((float)app_o));
optA=-pmin*(Math.log((-1-(-qa-maxC)/(maxC-(-1.0e-8+0*1.0e-8*(optS-qa))))/bb)/(Math.log((-1-(-qa-maxC)/(maxC-slopD))/bb)));
optA=0;
}
optA=(optA==optA && optA!=Double.POSITIVE_INFINITY && optA!=Double.NEGATIVE_INFINITY)? optA: 0;*/
//--!logistic controll
//--growth approx
//float tet,tets;
//int itr=0;
//do
{
//optA=optA+(optS-qa)/(xmax*ymax);
double maxC=0;
double slopC=0;
//double maxM=0;
//double slopM=0;
//double maxD=0;
//double slopD=0;
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
float pp=(float)(/*optA*/-dalpha[xi][yi]/app_o);
float al=alpha[xi][yi];
//slopD-=pp;
if (pp>0){
if (al<0.99999f){
//slopM+=pp;
slopC+=pp;
//maxC+=1-al;
//maxM+=1-al;
}
//maxD+=al;
}
else{
if (al>1.0e-8f){
slopC-=pp;
//slopM+=pp;
//maxM-=al;
maxC+=al;
}
//maxD-=1-al;
}
}}
optOm=(float)(-/*Math.log(0.95)*/optSc*(maxC/(slopC+1.0e-10f)));
//--restriction
//float tet=(float)(maxC*(1-Math.exp(-optOm*slopC/maxC)));
//final float tets=0.004f;
//if (tet>tets*xmax*ymax){System.out.println(Float.toString(tet));optOm=(float)(-(maxC/(slopC+1.0e-10f))*Math.log(1-tets*xmax*ymax/maxC));}
//tet=(float)(maxM*(1-Math.exp(-optOm*slopM/maxM)));
//tets=(float)(optS-qa);
//System.out.println(Float.toString((float)optA));
//System.out.println(Float.toString((float)optOm));
//System.out.println(Float.toString(tet));
//System.out.println(Float.toString(tets));
//System.out.println(Float.toString((float)(-(maxM/(slopM+1.0e-10f))*Math.log(1-tets/maxM))));
//System.out.println(Float.toString((float)(-(maxD/(slopD+1.0e-10f))*Math.log(1-tets/maxD))));
//if (tet>0 && tet>tets | tet<0 && tet<tets){System.out.println(Float.toString(tet));orthoGrad();/*optOm=(float)(-(maxM/(slopM+1.0e-10f))*Math.log(1-tets/maxM));*/}
//if(tet*tets<0){System.out.println("stopped");redGrad();/*optOm=(float)(-(maxD/(slopD+1.0e-10f))*Math.log(1-tets/maxD))*/;}
//if(((tet>0 && tets>0 && tet*2>tets) |(tet<0 && tets<0 && tet*2<tets))){optOm=(float)(-(maxM/(slopM+1.0e-10f))*Math.log(1-tets/maxM/2));}
// if (tet>20) {optOm=(float)(-(maxM/(slopM+1.0e-10f))*Math.log(1-20/maxM));}
// else{if (tet<20) {optOm=(float)(-(maxM/(slopM+1.0e-10f))*Math.log(1+20/maxM));}}
//itr++;
//if (itr>50){optOm=0;break;}
//optOm=(float)(-(maxM/(slopM+1.0e-10f))*Math.log(1+optS*optSc/maxM/2));
}//while(false);//(tet*tets<0);
optOm=(optOm==optOm)? optOm:0;
//--!growth approx
//---reg mass
/*double app=0;
for (int xi=1; xi<xmax;xi++){
for (int yi=0; yi<ymax; yi++){
int wi=xi-1+((xmax-xi)/xmax)*xmax;
int ei=xi+1-((xi+1)/xmax)*xmax;
int si=yi+1-((yi+1)/ymax)*ymax;
int ni=yi-1+((ymax-yi)/ymax)*ymax;
float vx=ob[xi][yi][0];
float vy=ob[xi][yi][1];
float vx1=ob[wi][yi][0]+ob[ei][yi][0]+ob[xi][si][0]+ob[xi][ni][0];
float vx2=ob[wi][ni][0]+ob[wi][si][0]+ob[ei][ni][0]+ob[ei][si][0];
float vy1=ob[wi][yi][1]+ob[ei][yi][1]+ob[xi][si][1]+ob[xi][ni][1];
float vy2=ob[wi][ni][1]+ob[wi][si][1]+ob[ei][ni][1]+ob[ei][si][1];
vx=(vx*16+vx1*4+vx2)/36;
vy=(vy*16+vy1*4+vy2)/36;
app+=(vx*vx+vy*vy)+1e-9;
}}