diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index b9a1174..56d62bc 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/Polygon3d.cpp b/Polygon3d.cpp
index 8b3db11..dab7bff 100644
--- a/Polygon3d.cpp
+++ b/Polygon3d.cpp
@@ -15,6 +15,15 @@
 #include "stdafx.h"
 #include "/EgtDev/Include/EgkPolygon3d.h"
 
+//----------------------------------------------------------------------------
+bool
+Polygon3d::Clear( void)
+{
+   m_Plane.Reset() ;
+   m_vVert.clear() ;
+   return true ;
+}
+
 //----------------------------------------------------------------------------
 bool
 Polygon3d::FromRectangle( double dDimX, double dDimY)