void MTPGraph::print_dot(ostream *os) {
(*os) << "digraph {" << endl;
- (*os) << " node [shape=circle,width=0.7,fixedsize=true];" << endl;
+ (*os) << " node [shape=circle,width=0.75,fixedsize=true];" << endl;
(*os) << " edge [color=gray,arrowhead=open]" << endl;
(*os) << " " << _source->id << " [peripheries=2];" << endl;
(*os) << " " << _sink->id << " [peripheries=2];" << endl;