diff -r f70bbee5350a -r 66e85f44a66f graph_displayer_canvas-edge.cc
--- a/graph_displayer_canvas-edge.cc	Wed Jun 29 15:41:33 2005 +0000
+++ b/graph_displayer_canvas-edge.cc	Wed Jun 29 19:44:30 2005 +0000
@@ -5,11 +5,21 @@
 
 int GraphDisplayerCanvas::changeEdgeWidth (std::string mapname, Graph::Edge edge)
 {
+  Graph::EdgeMap<double> * actual_map;
+  if(mapname=="Default")
+    {
+      actual_map=new Graph::EdgeMap<double>(g,edge_property_defaults[E_WIDTH]);
+    }
+  else
+    {
+      actual_map=(mapstorage.edgemap_storage)[mapname];
+    }
+
   if(edge==INVALID)
     {
       for (EdgeIt i(g); i!=INVALID; ++i)
 	{
-	  int w=(int)(*(mapstorage.edgemap_storage)[mapname])[i];
+	  int w=(int)(*actual_map)[i];
 	  if(w>=0)
 	    {
 	      edgesmap[i]->property_width_pixels().set_value(w);
@@ -18,7 +28,7 @@
     }
   else
     {
-      int w=(int)(*(mapstorage.edgemap_storage)[mapname])[edge];
+      int w=(int)(*actual_map)[edge];
       if(w>=0)
 	{
 	  edgesmap[edge]->property_width_pixels().set_value(w);
@@ -33,16 +43,35 @@
   //function maps the range of the maximum and
   //the minimum of the nodemap to the range of
   //green in RGB
+  Graph::EdgeMap<double> * actual_map;
+  if(mapname=="Default")
+    {
+      actual_map=new Graph::EdgeMap<double>(g,edge_property_defaults[E_COLOR]);
+    }
+  else
+    {
+      actual_map=(mapstorage.edgemap_storage)[mapname];
+    }
+
+  double max, min;
+
+  if(mapname!="Default")
+    {
+      max=mapstorage.maxOfEdgeMap(mapname);
+      min=mapstorage.minOfEdgeMap(mapname);
+    }
+  else
+    {
+      max=edge_property_defaults[E_COLOR];
+      min=edge_property_defaults[E_COLOR];
+    }
+
   if(edge==INVALID)
     {
-
       for (EdgeIt i(g); i!=INVALID; ++i)
 	{
-	  double w=(*(mapstorage.edgemap_storage)[mapname])[i];
-	  double max=mapstorage.maxOfEdgeMap(mapname);
-	  double min=mapstorage.minOfEdgeMap(mapname);
-      
-	  //std::cout<<w<<" "<<max<<" "<<min<<" "<<100*(w-min)/(max-min)<<std::endl;
+	  double w=(*actual_map)[i];
+
 	  Gdk::Color color;
 	  if(max!=min)
 	    {
@@ -52,18 +81,15 @@
 	    {
 	      color.set_rgb_p (0, 100, 0);
 	    }
-
 	  edgesmap[i]->property_fill_color_gdk().set_value(color);
 	}
     }
   else
     {
-      double w=(*(mapstorage.edgemap_storage)[mapname])[edge];
-      double max=mapstorage.maxOfEdgeMap(mapname);
-      double min=mapstorage.minOfEdgeMap(mapname);
-      
-      //std::cout<<w<<" "<<max<<" "<<min<<" "<<100*(w-min)/(max-min)<<std::endl;
       Gdk::Color color;
+
+      double w=(*actual_map)[edge];
+
       if(max!=min)
 	{
 	  color.set_rgb_p (0, 100*(w-min)/(max-min), 0);
@@ -85,13 +111,12 @@
   //EXCEPT when the name of the map is Text, because
   //in that case empty string will be written, because
   //that is the deleter map
-  //\todo isn't it a bit woodcutter?
 
   if(edge==INVALID)
     {
       for (EdgeIt i(g); i!=INVALID; ++i)
 	{
-	  if(mapname!=edge_property_strings[E_TEXT])
+	  if(mapname!="Default")
 	    {
 	      double number=(*(mapstorage.edgemap_storage)[mapname])[i];
 	      int length=1;
@@ -128,7 +153,7 @@
     }
   else
     {
-      if(mapname!=edge_property_strings[E_TEXT])
+      if(mapname!="Default")
 	{
 	  double number=(*(mapstorage.edgemap_storage)[mapname])[edge];
 	  int length=1;