function Gpath=GTrans(path)
Gpath=length(path)*ones(size(path));
[row,col]=size(path);
for i=1:row
    for j=1:col
        k=1;
        while(k
        Gpath(i,j)=path(i,j)-length(find(Gpath(i,:)<path(i,j)));
    end
end