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diff --git a/boost/property_map/transform_value_property_map.hpp b/boost/property_map/transform_value_property_map.hpp
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+++ b/boost/property_map/transform_value_property_map.hpp
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+//
+//=======================================================================
+// Author: Philipp Moeller
+//
+// Copyright 2012, Philipp Moeller
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//=======================================================================
+//
+
+#ifndef BOOST_PROPERTY_MAP_TRANSFORM_VALUE_PROPERTY_MAP_HPP
+#define BOOST_PROPERTY_MAP_TRANSFORM_VALUE_PROPERTY_MAP_HPP
+
+#include <boost/config.hpp>
+#include <boost/property_map/property_map.hpp>
+#include <boost/type_traits.hpp>
+#include <boost/utility/result_of.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/mpl/not.hpp>
+#include <utility>
+
+namespace boost {
+
+template<typename Func, typename PM, typename Ret = typename boost::result_of<const Func(typename property_traits<PM>::reference)>::type>
+class transform_value_property_map: public put_get_helper<Ret, transform_value_property_map<Func, PM, Ret> > {
+  public:
+  typedef typename property_traits<PM>::key_type key_type;
+  typedef Ret reference;
+  typedef typename boost::remove_cv<typename boost::remove_reference<Ret>::type>::type value_type;
+
+  typedef typename boost::mpl::if_<
+                     boost::mpl::and_<
+                       boost::is_reference<Ret>,
+                       boost::mpl::not_<boost::is_const<Ret> >
+                     >,
+                     boost::lvalue_property_map_tag,
+                     boost::readable_property_map_tag>::type
+    category;
+
+  transform_value_property_map(Func f, PM pm) : f(f), pm(pm) {}
+
+  reference operator[](const key_type& k) const {
+    return f(get(pm, k));
+  }
+
+  private:
+  Func f;
+  PM pm;
+};
+
+template<typename PM, typename Func>
+transform_value_property_map<Func, PM>
+make_transform_value_property_map(const Func& f, const PM& pm) {
+  return transform_value_property_map<Func, PM>(f, pm);
+}
+
+template<typename Ret, typename PM, typename Func>
+transform_value_property_map<Func, PM, Ret>
+make_transform_value_property_map(const Func& f, const PM& pm) {
+  return transform_value_property_map<Func, PM, Ret>(f, pm);
+}
+
+} // boost
+
+#endif /* BOOST_PROPERTY_MAP_TRANSFORM_VALUE_PROPERTY_MAP_HPP */