diff -r 719220885b90 -r d7b7048e045b lemon/dim2.h
--- a/lemon/dim2.h	Tue Jun 05 17:27:54 2007 +0000
+++ b/lemon/dim2.h	Tue Jun 05 17:29:46 2007 +0000
@@ -272,7 +272,7 @@
   /// A class to calculate or store the bounding box of plainvectors.
   ///
   ///\author Attila Bernath
-  template<typename T>
+    template<typename T>
     class BoundingBox {
       Point<T> bottom_left, top_right;
       bool _empty;
@@ -283,12 +283,36 @@
 
       ///Construct an instance from one point
       BoundingBox(Point<T> a) { bottom_left=top_right=a; _empty = false; }
+      
+      ///Construct an instance from two points
+      
+      ///Construct an instance from two points
+      ///\warning The coordinates of the bottom-left corner must be no more
+      ///than those of the top-right one
+      BoundingBox(Point<T> a,Point<T> b)
+      {
+	bottom_left=a;
+	top_right=b;
+	_empty = false;
+      }
+      
+      ///Construct an instance from four numbers
 
+      ///Construct an instance from four numbers
+      ///\warning The coordinates of the bottom-left corner must be no more
+      ///than those of the top-right one
+      BoundingBox(T l,T b,T r,T t)
+      {
+	bottom_left=Point<T>(l,b);
+	top_right=Point<T>(r,t);
+	_empty = false;
+      }
+      
       ///Were any points added?
       bool empty() const {
         return _empty;
       }
-
+      
       ///Make the BoundingBox empty
       void clear() {
         _empty=1;