diff --git a/vcg/simplex/vertexplus/component.h b/vcg/simplex/vertexplus/component.h
index 7746c471..63ec3953 100644
--- a/vcg/simplex/vertexplus/component.h
+++ b/vcg/simplex/vertexplus/component.h
@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.2  2004/03/29 14:26:38  cignoni
+Error in color
+
 Revision 1.1  2004/03/29 08:36:26  cignoni
 First working version!
 
@@ -32,6 +35,9 @@ First working version!
 #ifndef __VCG_VERTEX_PLUS_COMPONENT
 #define __VCG_VERTEX_PLUS_COMPONENT
 
+#include <vcg/traced_vector.h>
+
+
 namespace vcg {
   namespace vert {
 /*
@@ -62,6 +68,17 @@ private:
 template <class T> class Coord3f: public Coord<vcg::Point3f, T> {};
 template <class T> class Coord3d: public Coord<vcg::Point3d, T> {};
 
+template <class A, class T> class CoordOpt: public T {
+public:
+  typedef A CoordType;
+  typedef typename CoordType::ScalarType      ScalarType;
+	CoordType &P() { return CAT< TVector<VertType>,CoordType>::Get((VertType*)this); }
+  CoordType &UberP() { return CAT< TVector<VertType>,CoordType>::Get((VertType*)this); }
+};
+template <class T> class Coord3fOpt: public CoordOpt<vcg::Point3f, T> {};
+template <class T> class Coord3dOpt: public CoordOpt<vcg::Point3d, T> {};
+
+
 /*-------------------------- NORMAL ----------------------------------------*/ 
 
 template <class T> class EmptyNormal: public T {