diff -r c7ae8642a8d8 -r 879e47e5b731 kruskalbox.cc
--- a/kruskalbox.cc	Wed May 02 20:33:58 2007 +0000
+++ b/kruskalbox.cc	Wed Jan 02 21:03:09 2008 +0000
@@ -33,51 +33,50 @@
 void KruskalBox::run()
 {
   if(
-     tabcbt.get_active_text()!="" &&
-     (edgemapcbts[INPUT])->get_active_text()!="" &&
-     (edgemapcbts[OUTPUT])->get_active_text()!=""
-     )
+      tabcbt.get_active_text()!="" &&
+      (edgemapcbts[INPUT])->get_active_text()!="" &&
+      (edgemapcbts[OUTPUT])->get_active_text()!=""
+    )
+  {
+
+    const Graph &g=mapstorage->getGraph();
+    std::string input_map_name = edgemapcbts[INPUT]->get_active_text();
+    Graph::EdgeMap<bool> outputmap(g);
+    const MapStorage::NumericEdgeMap& inputmap=
+      mapstorage->getNumericEdgeMap(input_map_name);
+    double res=kruskal(g, inputmap, outputmap);
+
+    for (EdgeIt i(g); i!=INVALID; ++i)
     {
+      if(outputmap[i])
+      {
+        mapstorage->set(edgemapcbts[OUTPUT]->get_active_text(), i, 1.0);
+      }
+      else
+      {
+        mapstorage->set(edgemapcbts[OUTPUT]->get_active_text(), i, 0.0);
+      }
+    }
 
-      const Graph &g=mapstorage->graph;
-      Graph::EdgeMap<double> * inputmap=
-	((mapstorage->edgemap_storage)[(edgemapcbts[INPUT])->get_active_text()]);
-      Graph::EdgeMap<bool> outputmap(g);
-      double res=kruskal(g, *inputmap, outputmap);
+    std::ostringstream o;
+    o << "Result: " << res;
+    resultlabel.set_text(o.str());
 
-      for (EdgeIt i(g); i!=INVALID; ++i)
-	{
-	  if(outputmap[i])
-	    {
-	      (*((mapstorage->edgemap_storage)[(edgemapcbts[OUTPUT])->
-					       get_active_text()]))[i]=1;
-	    }
-	  else
-	    {
-	      (*((mapstorage->edgemap_storage)[(edgemapcbts[OUTPUT])->
-					       get_active_text()]))[i]=0;
-	    }
-	}
+    mapstorage->mapChanged(true, (edgemapcbts[OUTPUT])->get_active_text());
+    //   mapstorage->changeActiveMap(true, E_COLOR,
+    // 			      (edgemapcbts[OUTPUT])->get_active_text());
+    //   mapstorage->changeActiveMap(true, E_TEXT,
+    // 			      (edgemapcbts[INPUT])->get_active_text());
 
-      std::ostringstream o;
-      o << "Result: " << res;
-      resultlabel.set_text(o.str());
-
-      mapstorage->mapChanged(true, (edgemapcbts[OUTPUT])->get_active_text());
-      //   mapstorage->changeActiveMap(true, E_COLOR,
-      // 			      (edgemapcbts[OUTPUT])->get_active_text());
-      //   mapstorage->changeActiveMap(true, E_TEXT,
-      // 			      (edgemapcbts[INPUT])->get_active_text());
-  
-    }
+  }
 }
     
 void KruskalBox::build_box()
 {
   std::vector<std::string> empty_vector;
 
-  addMapSelector("Edgecosts: ", true);
-  addMapSelector("Edges of tree here: ", true);
+  addMapSelector("Edgecosts: ", true, NUM);
+  addMapSelector("Edges of tree here: ", true, NUM);
 
   resultlabel.set_text("Result: algorithm is not run yet.");
   pack_start(resultlabel);