getParent

 nodeParentList = [child parent]

0001 
0002 function [parentNode, parentFound] = getParent(Node, nodeParentList, startPoint)
0003 % nodeParentList = [child parent]
0004 parentNode = [];
0005 parentFound = 0;
0006 idx_row = find(nodeParentList(:,1) == Node(1));
0007 for i = 1:length(idx_row)
0008    if nodeParentList(idx_row(i),2) == Node(2) 
0009        parentNode = nodeParentList(idx_row(i),4:6);
0010        if (parentNode(1) == startPoint(1)) &&(parentNode(2) == startPoint(2))
0011         parentFound = 0;
0012        else
0013         parentFound = 1;
0014        end;
0015        return
0016    end;
0017 end;
0018     
0019     
0020