diff --git a/EInAPI.h b/EInAPI.h
index dab894b..af7ca60 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -464,13 +464,12 @@ EIN_EXPORT BOOL __stdcall EgtPackBoxCluster( int nId[], int nCount, double dXmin
 EIN_EXPORT BOOL __stdcall EgtMoveBoxCluster( int nId[], int nCount, double vtMove[3],
                                              double dXmin, double dYmin, double dXmax, double dYmax, double dOffs) ;
 EIN_EXPORT BOOL __stdcall EgtGetClusterBBoxGlob( int nId[], int nCount, double ptMin[3], double ptMax[3]) ;
-EIN_EXPORT BOOL __stdcall EgtCreateOutRegion( int nParentId,
+EIN_EXPORT BOOL __stdcall EgtCreateOutRegionRectangle( int nParentId,
                                               double dXmin, double dYmin, double dXmax, double dYmax, double dZ) ;
-EIN_EXPORT BOOL __stdcall EgtCreateOutRegion2( int nParentId, int nOutCrvId) ;
+EIN_EXPORT BOOL __stdcall EgtCreateOutRegion( int nParentId, int nOutCrvId) ;
 EIN_EXPORT BOOL __stdcall EgtVerifyPartCluster( int nId[], int nCount, BOOL bReducedCut) ;
-EIN_EXPORT BOOL __stdcall EgtPackPartCluster( int nId[], int nCount, BOOL bReducedCut,
-                                              double dXmin, double dYmin, double dXmax, double dYmax, BOOL bBottomUp) ;
-EIN_EXPORT BOOL __stdcall EgtPackPartCluster2( int nId[], int nCount, BOOL bReducedCut, BOOL bBottomUp) ;
+EIN_EXPORT BOOL __stdcall EgtPackPartClusterInRectangle( int nId[], int nCount, BOOL bReducedCut, BOOL bBottomUp) ;
+EIN_EXPORT BOOL __stdcall EgtPackPartCluster( int nId[], int nCount, BOOL bReducedCut, BOOL bBottomUp) ;
 EIN_EXPORT BOOL __stdcall EgtMovePartCluster( int nId[], int nCount, BOOL bReducedCut, double vtMove[3]) ;
 EIN_EXPORT BOOL __stdcall EgtRotatePartCluster( int nId[], int nCount, BOOL bReducedCut,
                                                 const double ptCen[3], double* pdRotAngDeg) ; 
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 374c4e4..ae02c77 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -503,8 +503,7 @@ EXE_EXPORT bool ExeGetClusterBBoxGlob( const INTVECTOR& vIds, BBox3d& b3Box) ;
 EXE_EXPORT bool ExeCreateOutRegion( int nParentId, double dXmin, double dYmin, double dXmax, double dYmax, double dZ) ;
 EXE_EXPORT bool ExeCreateOutRegion( int nParentId, int nOutCrvId) ;
 EXE_EXPORT bool ExeVerifyPartCluster( const INTVECTOR& vIds, bool bReducedCut) ;
-EXE_EXPORT bool ExePackPartCluster( const INTVECTOR& vIds, bool bReducedCut,
-                                    double dXmin, double dYmin, double dXmax, double dYmax, bool bBottomUp) ;
+EXE_EXPORT bool ExePackPartClusterInRectangle( const INTVECTOR& vIds, bool bReducedCut, bool bBottomUp) ;
 EXE_EXPORT bool ExePackPartCluster( const INTVECTOR& vIds, bool bReducedCut, bool bBottomUp) ;
 EXE_EXPORT bool ExeMovePartCluster( const INTVECTOR& vIds, bool bReducedCut, Vector3d& vtMove) ;
 EXE_EXPORT bool ExeRotatePartCluster( const INTVECTOR& vIds, bool bReducedCut, const Point3d& ptCen, double& dRotAngDeg) ;