Make all the nodes of identical size.

diff --git a/mtp_graph.cc b/mtp_graph.cc
index 4608b82..6867e09 100644 (file)
--- a/mtp_graph.cc
+++ b/mtp_graph.cc
@@ -147,22 +147,23 @@ void MTPGraph::print(ostream *os) {
 
 void MTPGraph::print_dot(ostream *os) {
   (*os) << "digraph {" << endl;
-  // (*os) << "        node [shape=circle];" << endl;
-  (*os) << "        edge [color=gray]" << endl;
+  (*os) << "        node [shape=circle,width=0.7,fixedsize=true];" << endl;
+  (*os) << "        edge [color=gray,arrowhead=open]" << endl;
   (*os) << "        " << _source->id << " [peripheries=2];" << endl;
   (*os) << "        " << _sink->id << " [peripheries=2];" << endl;
+  // (*os) << "        " << _source->id << " [style=bold,color=red];" << endl;
+  // (*os) << "        " << _sink->id << " [style=bold,color=green];" << endl;
   for(int k = 0; k < _nb_edges; k++) {
     Edge *e = _edges + k;
     // (*os) << "  " << e->origin_vertex->id << " -> " << e->terminal_vertex->id
-          // << ";"
-          // << endl;
+    // << ";"
+    // << endl;
+    (*os) << "        " << e->origin_vertex->id << " -> " << e->terminal_vertex->id
+          << " [";
     if(e->occupied) {
-      (*os) << "        " << e->origin_vertex->id << " -> " << e->terminal_vertex->id
-           << " [style=bold,color=black,label=\"" << e->length << "\"];" << endl;
-    } else {
-      (*os) << "        " << e->origin_vertex->id << " -> " << e->terminal_vertex->id
-           << " [label=\"" << e->length << "\"];" << endl;
+      (*os) << "style=bold,color=black,";
     }
+    (*os) << "label=\"" << e->length << "\"];" << endl;
   }
   (*os) << "}" << endl;
 }