Examples of weka.gui.graphvisualizer.GraphEdge

weka.gui.graphvisualizer.GraphEdge
This class represents an edge in the graph @author Ashraf M. Kibriya (amk14@cs.waikato.ac.nz) @version $Revision: 1.4 $ - 23 Apr 2003 - Initial version (Ashraf M. Kibriya)

    
    //Adding parents, and those edges to a node which are coming out from it
    int tmpEdges[], noOfEdgesOfNode[]=new int[m_nodes.size()];
    int noOfPrntsOfNode[]=new int[m_nodes.size()];
    for(int i=0; i<m_edges.size(); i++) {
      GraphEdge e = (GraphEdge)m_edges.elementAt(i);
      noOfEdgesOfNode[e.src]++;
      noOfPrntsOfNode[e.dest]++;
    }
    for(int i=0; i<m_edges.size(); i++) {
      GraphEdge e  = (GraphEdge)m_edges.elementAt(i);
      GraphNode n  = (GraphNode)m_nodes.elementAt(e.src);
      GraphNode n2 = (GraphNode)m_nodes.elementAt(e.dest);
      if(n.edges==null) {
        n.edges = new int[noOfEdgesOfNode[e.src]][2];
        for(int k=0; k<n.edges.length; k++)

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  protected void edgeStmt(StreamTokenizer tk, final int nindex)
  throws Exception {
    tk.nextToken();
    
    GraphEdge e=null;
    if(tk.ttype=='>') {
      tk.nextToken();
      if(tk.ttype=='{') {
        while(true) {
          tk.nextToken();
          if(tk.ttype=='}')
            break;
          else {
            nodeID(tk);
            e = new GraphEdge(nindex,
            m_nodes.indexOf( new GraphNode(tk.sval, null) ),
            DIRECTED);
            if( m_edges!=null && !(m_edges.contains(e)) ) {
              m_edges.addElement( e );
              //System.out.println("Added edge from "+
              //                  ((GraphNode)(m_nodes.elementAt(nindex))).ID+
              //                  " to "+
              //          ((GraphNode)(m_nodes.elementAt(e.dest))).ID);
            }
          }
        }
      }
      else {
        nodeID(tk);
        e = new GraphEdge(nindex,
        m_nodes.indexOf( new GraphNode(tk.sval, null) ),
        DIRECTED);
        if( m_edges!=null && !(m_edges.contains(e)) ) {
          m_edges.addElement( e );
          //System.out.println("Added edge from "+

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      os.write("digraph ", 0, ("digraph ").length());
      if(graphName!=null)
        os.write(graphName+" ", 0, graphName.length()+1);
      os.write("{\n", 0, ("{\n").length());
      
      GraphEdge e;
      for(int i=0; i<edges.size(); i++) {
        e = (GraphEdge) edges.elementAt(i);
        os.write(((GraphNode)nodes.elementAt(e.src)).ID, 0,
        ((GraphNode)nodes.elementAt(e.src)).ID.length());
        os.write("->", 0, ("->").length() );

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    //Adding parents, and those edges to a node which are coming out from it
    int tmpEdges[], noOfEdgesOfNode[]=new int[m_nodes.size()];
    int noOfPrntsOfNode[]=new int[m_nodes.size()];
    for(int i=0; i<m_edges.size(); i++) {
      GraphEdge e = (GraphEdge)m_edges.elementAt(i);
      noOfEdgesOfNode[e.src]++;
      noOfPrntsOfNode[e.dest]++;
    }
    for(int i=0; i<m_edges.size(); i++) {
      GraphEdge e  = (GraphEdge)m_edges.elementAt(i);
      GraphNode n  = (GraphNode)m_nodes.elementAt(e.src);
      GraphNode n2 = (GraphNode)m_nodes.elementAt(e.dest);
      if(n.edges==null) {
        n.edges = new int[noOfEdgesOfNode[e.src]][2];
        for(int k=0; k<n.edges.length; k++)

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  protected void edgeStmt(StreamTokenizer tk, final int nindex)
  throws Exception {
    tk.nextToken();
    
    GraphEdge e=null;
    if(tk.ttype=='>') {
      tk.nextToken();
      if(tk.ttype=='{') {
        while(true) {
          tk.nextToken();
          if(tk.ttype=='}')
            break;
          else {
            nodeID(tk);
            e = new GraphEdge(nindex,
            m_nodes.indexOf( new GraphNode(tk.sval, null) ),
            DIRECTED);
            if( m_edges!=null && !(m_edges.contains(e)) ) {
              m_edges.addElement( e );
              //System.out.println("Added edge from "+
              //                  ((GraphNode)(m_nodes.elementAt(nindex))).ID+
              //                  " to "+
              //          ((GraphNode)(m_nodes.elementAt(e.dest))).ID);
            }
          }
        }
      }
      else {
        nodeID(tk);
        e = new GraphEdge(nindex,
        m_nodes.indexOf( new GraphNode(tk.sval, null) ),
        DIRECTED);
        if( m_edges!=null && !(m_edges.contains(e)) ) {
          m_edges.addElement( e );
          //System.out.println("Added edge from "+

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      os.write("digraph ", 0, ("digraph ").length());
      if(graphName!=null)
        os.write(graphName+" ", 0, graphName.length()+1);
      os.write("{\n", 0, ("{\n").length());
      
      GraphEdge e;
      for(int i=0; i<edges.size(); i++) {
        e = (GraphEdge) edges.elementAt(i);
        os.write(((GraphNode)nodes.elementAt(e.src)).ID, 0,
        ((GraphNode)nodes.elementAt(e.src)).ID.length());
        os.write("->", 0, ("->").length() );

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weka.gui.graphvisualizer.DotParser

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