plot graph

**alaa** · 04-13-2011, 10:11 PM

who can i plot graph in java to represint agraph for tree or other
for example minmum tree in array like this

{{0,1,-1,-1,5},{1,0,5,1,-1},{-1,8,0,1,-1},{-1,4,3,0,-1},{5,-1,-1,-1,0}}

using line and node

**ra4king** · 04-14-2011, 12:34 AM

Do you want a way to plot your data? How would you want that array to be in a tree? Please ask specific questions so we can help you better.

**alaa** · 04-14-2011, 02:21 PM

I did not use drawing in Java and this is the first time I try to graph
I want to represent the matrix containing the values of using points, lines
For example, if they contain 4 items means there are four points and values in the matrix is the relationship between elements of the matrix represent the adjoint array for minmum spaning tree

**ra4king** · 04-14-2011, 06:32 PM

So you want to draw a tree like that in Java or you want widgets that do this for you?

**alaa** · 04-14-2011, 06:37 PM

Weights are not important, but if zero or a negative one means that there is no relationship between the two factors
Weights is that mean there is a relationship

These first attempts

XML Code:

        import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;
   public class TestPanelDrawing extends JFrame {
   	
    public TestPanelDrawing() {
       add(new NewPanel());
     }

    public static void main(String[] args) {
      TestPanelDrawing frame = new TestPanelDrawing();
     frame.setTitle("TestPanelDrawing");
      frame.setLocationRelativeTo(null); // Center the frame
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setSize(200, 300);
      frame.setVisible(true);
    }
  }

 class NewPanel extends JPanel {
 	public int  arr[][]={{0,1,2,-1},{1,0,-1,-1},{2,-1,0,3},{-1,-1,3,0}};
    protected void paintComponent(Graphics g) {
    	Graphics2D g2 = (Graphics2D)g;
      super.paintComponent(g);
      Point2D.Double point = new Point2D.Double(5,5);
      Ellipse2D.Double a=  new Ellipse2D.Double(6, 6, 20, 20);
      int x0=30;
      int x1=100;
      int y0=0;
      int y1=100;
      int x[]={x0,x1,x0,x1};
      int y[]={y0,y1,y0,y1};
    
         g2.fill(new Ellipse2D.Double(x0, y0, 15, 15));
         g2.fill(new Ellipse2D.Double(x0, y1, 15, 15));
           g2.fill(new Ellipse2D.Double(x1, y0, 15, 15));
           g2.fill(new Ellipse2D.Double(x1, y1, 15, 15));
     
     
       for(int i=0;i<4;i++){
       	
       g.drawString((char)A+i,30,15);
       	
       for (int j=0;j<4;j++){
       	
        g2.fill(new Ellipse2D.Double(x[i], y[j], 15, 15));
        if (arr[i][j]!=0&&arr[j][i]!=-1)
        g.drawLine(x[i], y[i], x[j], y[j]);	
       	
       }	 
       }
       
          }
  }

**ra4king** · 04-14-2011, 06:41 PM

Sorry but I don't understand this whole tree system.

**alaa** · 04-14-2011, 06:49 PM

I will make subject more easily
I have a number of the Firtix A, B, C, D
And a set of weights, for example AB 5 AC 8
If the weight 0 or -1 means there is no path between the Firtix
AA = 0

Matrix representation of the paths between the elements
I want to draw Graf represents these elements and the relationships between them
I hope that the issue becomes clearer, I hope to help

**ra4king** · 04-14-2011, 11:08 PM

Ah ok, I understand. So what questions do you have on this?

**alaa** · 04-15-2011, 08:44 AM

i want to drow graph to represent this array for example

public int arr[][]={{0,0,6,5,0,2,5},{0,0,-1,-1,0,2,3},{6,-1,0,3,3,2,3},{5,-1,3,0,5,2,1},{0,0,3,5,0,2,3},{2,2,2,2,2,0,7},{7,3, 5,1,0,7,0}};

i drow it but i have some problem
if you want i put my code

XML Code:

   import java.util.ArrayList;
import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;
   public class TestPanelDrawing extends JFrame {
   		
    public TestPanelDrawing() {
       add(new NewPanel());
     }

    public static void main(String[] args) {
      TestPanelDrawing frame = new TestPanelDrawing();
      frame.setTitle("TestPanelDrawing");
      frame.setLocationRelativeTo(null); // Center the frame
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setSize(600, 400);
      frame.setVisible(true);
    }
  }

 class NewPanel extends JPanel {
 public int  arr[][]={{0,0,6,5,0,2,5},{0,0,-1,-1,0,2,3},{6,-1,0,3,3,2,3},{5,-1,3,0,5,2,1},{0,0,3,5,0,2,3},{2,2,2,2,2,0,7},{7,3,5,1,0,7,0}};
   int 	size=7;
    protected void paintComponent(Graphics g) {
    		Font r = new Font("SansSerif", Font.BOLD, 16);
    	g.setFont(r);
    
    	if (size==4){
    
    	Graphics2D g2 = (Graphics2D)g;
      super.paintComponent(g);
      Point2D.Double point = new Point2D.Double(5,5);
     // Ellipse2D.Double a=  new Ellipse2D.Double(6, 6, 20, 20);
      int x0=30;
      int x1=150;
      int y0=20;
      int y1=150;
      int x[]={x0,x1,x0,x1};
      int y[]={y0,y1,y0,y1};
    	ArrayList<Ellipse2D.Double> vert = new ArrayList<Ellipse2D.Double>();
    	
    Ellipse2D.Double a=  new Ellipse2D.Double(x0+5, y0, 15, 15);
    Ellipse2D.Double b=  new Ellipse2D.Double(x0+5, y1, 15, 15);
    Ellipse2D.Double c=  new Ellipse2D.Double(x1+5, y0, 15, 15);
    Ellipse2D.Double d=  new Ellipse2D.Double(x1+5, y1, 15, 15);
    vert.add(a);
      vert.add(b);
      vert.add(c);
      vert.add(d);
      
    //g.drawLine((int)a.getX(), (int)a.getY(),(int) b.getX(),(int) b.getY());	
       	
    //for(int f=0;f<4;f++)
    	g.drawString(" A ",x0+15,y0);
    		g.drawString(" B ",x0+15,y1);
    			g.drawString(" C ",x1,y0);
    				g.drawString(" D ",x1+5,y1);
    	
    	
       vert.add(a);
      vert.add(b);
      vert.add(c);
      vert.add(d);
      
      
      	
         g2.fill(new Ellipse2D.Double(x0, y0, 15, 15));
         g2.fill(new Ellipse2D.Double(x0, y1, 15, 15));
        g2.fill(new Ellipse2D.Double(x1, y0, 15, 15));
        g2.fill(new Ellipse2D.Double(x1, y1, 15, 15));
     
     
       for(int i=0;i<4;i++){
      for (int j=0;j<4;j++){
      if (arr[i][j]!=0&&arr[j][i]!=-1)
     	g.drawLine((int)vert.get(i).getX(), (int)vert.get(i).getY(),(int)vert.get(j).getX(),(int)vert.get(j).getY());
       
       	
       }	 
       }
    	}
    	
    	
    	if (size==5){
    
    	Graphics2D g2 = (Graphics2D)g;
      super.paintComponent(g);
      Point2D.Double point = new Point2D.Double(5,5);
     // Ellipse2D.Double a=  new Ellipse2D.Double(6, 6, 20, 20);
      int x0=30;
      int x1=150;
      int x2=230;
      int y0=20;
      int y1=150;
      int y2=75;
      int x[]={x0,x1,x2};
      int y[]={y0,y1,y2};
    	ArrayList<Ellipse2D.Double> vert = new ArrayList<Ellipse2D.Double>();
    	
    Ellipse2D.Double a=  new Ellipse2D.Double(x0+5, y0, 15, 15);
    Ellipse2D.Double b=  new Ellipse2D.Double(x0+5, y1, 15, 15);
    Ellipse2D.Double c=  new Ellipse2D.Double(x1+5, y0, 15, 15);
    Ellipse2D.Double d=  new Ellipse2D.Double(x1+5, y1, 15, 15);
    Ellipse2D.Double e=  new Ellipse2D.Double(x2+5, y2, 15, 15);
   
    vert.add(a);
      vert.add(b);
      vert.add(c);
      vert.add(d);
      vert.add(e);
      
   // g.drawLine((int)a.getX(), (int)a.getY(),(int) b.getX(),(int) b.getY());	
       	
   // for(int f=0;f<5;f++)
    	g.drawString(" A ",x0+15,y0);
    		g.drawString(" B ",x0+15,y1);
    			g.drawString(" C ",x1,y0);
    				g.drawString(" D ",x1+5,y1);
    	              g.drawString(" E ",x2+5,y2);
    	
      
      
      	
         g2.fill(new Ellipse2D.Double(x0, y0, 15, 15));
         g2.fill(new Ellipse2D.Double(x0, y1, 15, 15));
        g2.fill(new Ellipse2D.Double(x1, y0, 15, 15));
        g2.fill(new Ellipse2D.Double(x1, y1, 15, 15));
        g2.fill(new Ellipse2D.Double(x2, y2, 15, 15));
     
       for(int i=0;i<5;i++){
      for (int j=0;j<5;j++){
      if (arr[i][j]!=0&&arr[j][i]!=-1)
     	g.drawLine((int)vert.get(i).getX(), (int)vert.get(i).getY(),(int)vert.get(j).getX(),(int)vert.get(j).getY());
       
       	
       }	 
       }
    	}
    	
      //////////////
      
      	if (size==6){
    
    	Graphics2D g2 = (Graphics2D)g;
      super.paintComponent(g);
      Point2D.Double point = new Point2D.Double(5,5);
     // Ellipse2D.Double a=  new Ellipse2D.Double(6, 6, 20, 20);
      int x0=30;
      int x1=150;
      int x2=300;
      int y0=20;
      int y1=150;
      
      int x[]={x0,x1,x2};
      int y[]={y0,y1};
    	ArrayList<Ellipse2D.Double> vert = new ArrayList<Ellipse2D.Double>();
    	
    Ellipse2D.Double a=  new Ellipse2D.Double(x0+5, y0, 15, 15);
    Ellipse2D.Double b=  new Ellipse2D.Double(x0+5, y1, 15, 15);
    Ellipse2D.Double c=  new Ellipse2D.Double(x1+5, y0, 15, 15);
    Ellipse2D.Double d=  new Ellipse2D.Double(x1+5, y1, 15, 15);
    Ellipse2D.Double e=  new Ellipse2D.Double(x2+5, y0, 15, 15);
    Ellipse2D.Double f=  new Ellipse2D.Double(x2+5, y1, 15, 15);
    vert.add(a);
      vert.add(b);
      vert.add(c);
      vert.add(d);
      vert.add(e);
      vert.add(f);
   // g.drawLine((int)a.getX(), (int)a.getY(),(int) b.getX(),(int) b.getY());	
       	
   // for(int f=0;f<4;f++)
    	g.drawString(" A ",x0+15,y0);
    		g.drawString(" B ",x0+15,y1);
    			g.drawString(" C ",x1,y0);
    				g.drawString(" D ",x1+5,y1);
    	              g.drawString(" E ",x2+5,y0);
    	               g.drawString(" F ",x2+5,y1);
      
      
      	
         g2.fill(new Ellipse2D.Double(x0, y0, 15, 15));
         g2.fill(new Ellipse2D.Double(x0, y1, 15, 15));
        g2.fill(new Ellipse2D.Double(x1, y0, 15, 15));
        g2.fill(new Ellipse2D.Double(x1, y1, 15, 15));
        g2.fill(new Ellipse2D.Double(x2, y0, 15, 15));
       g2.fill(new Ellipse2D.Double(x2, y1, 15, 15));
       
       for(int i=0;i<6;i++){
      for (int j=0;j<6;j++){
      if (arr[i][j]!=0&&arr[j][i]!=-1)
     	g.drawLine((int)vert.get(i).getX(), (int)vert.get(i).getY(),(int)vert.get(j).getX(),(int)vert.get(j).getY());
       
       	
       }	 
       }
    	}
      
      /////////
      	if (size==7){
    
    	Graphics2D g2 = (Graphics2D)g;
      super.paintComponent(g);
      Point2D.Double point = new Point2D.Double(5,5);
     // Ellipse2D.Double a=  new Ellipse2D.Double(6, 6, 20, 20);
      int x0=30;
      int x1=150;
      int x2=300;
      int x4=450;
      int y0=20;
      int y1=150;
      int y2=75;
      
      int x[]={x0,x1,x2,x4};
      int y[]={y0,y1,y2};
    	ArrayList<Ellipse2D.Double> vert = new ArrayList<Ellipse2D.Double>();
    	
    Ellipse2D.Double a=  new Ellipse2D.Double(x0+5, y0, 15, 15);
    Ellipse2D.Double b=  new Ellipse2D.Double(x0+5, y1, 15, 15);
    Ellipse2D.Double c=  new Ellipse2D.Double(x1+5, y0, 15, 15);
    Ellipse2D.Double d=  new Ellipse2D.Double(x1+5, y1, 15, 15);
    Ellipse2D.Double e=  new Ellipse2D.Double(x2+5, y0, 15, 15);
    Ellipse2D.Double f=  new Ellipse2D.Double(x2+5, y1, 15, 15);
    Ellipse2D.Double t=  new Ellipse2D.Double(x2+5, y1, 15, 15);
    
    vert.add(a);
      vert.add(b);
      vert.add(c);
      vert.add(d);
      vert.add(e);
      vert.add(f);
      vert.add(t);
   // g.drawLine((int)a.getX(), (int)a.getY(),(int) b.getX(),(int) b.getY());	
       	
   // for(int f=0;f<4;f++)
    	g.drawString(" A ",x0+15,y0);
    		g.drawString(" B ",x0+15,y1);
    			g.drawString(" C ",x1,y0);
    				g.drawString(" D ",x1+5,y1);
    	              g.drawString(" E ",x2+5,y0);
    	               g.drawString(" F ",x2+5,y1);
                        g.drawString(" G ",x4+5,y2);
      
      	
         g2.fill(new Ellipse2D.Double(x0, y0, 15, 15));
         g2.fill(new Ellipse2D.Double(x0, y1, 15, 15));
        g2.fill(new Ellipse2D.Double(x1, y0, 15, 15));
        g2.fill(new Ellipse2D.Double(x1, y1, 15, 15));
        g2.fill(new Ellipse2D.Double(x2, y0, 15, 15));
       g2.fill(new Ellipse2D.Double(x2, y1, 15, 15));
       g2.fill(new Ellipse2D.Double(x4, y2, 15, 15));
       
       for(int i=0;i<7;i++){
      for (int j=0;j<7;j++){
      if (arr[i][j]!=0&&arr[j][i]!=-1)
     	g.drawLine((int)vert.get(i).getX(), (int)vert.get(i).getY(),(int)vert.get(j).getX(),(int)vert.get(j).getY());
       
       	
       }	 
       }
    	}
      
    }
  }

**ra4king** · 04-15-2011, 09:13 PM

This code runs and draws fine. What is your problem?

Thread: plot graph

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