diff --git a/EGkColor.h b/EGkColor.h
index 6004a57..fab601d 100644
--- a/EGkColor.h
+++ b/EGkColor.h
@@ -77,6 +77,9 @@ class Color
             { return ( m_Col[BLUE] * INV_MAX_RGB) ; }
       float GetAlpha( void) const
             { return ( m_Col[ALPHA] * INV_MAX_ALPHA) ; }
+      void GetFloat( float vCol[4]) const
+            { vCol[0] = m_Col[RED] * INV_MAX_RGB ; vCol[1] = m_Col[GREEN] * INV_MAX_RGB ;
+              vCol[2] = m_Col[BLUE] * INV_MAX_RGB ; vCol[3] = m_Col[ALPHA] * INV_MAX_ALPHA ; }
       bool operator == ( const Color& other) const
             { return ( m_Col[RED] == other.m_Col[RED] &&
                        m_Col[GREEN] == other.m_Col[GREEN] &&
diff --git a/EGrScene.h b/EGrScene.h
index 6d0803d..d9868a3 100644
--- a/EGrScene.h
+++ b/EGrScene.h
@@ -84,6 +84,7 @@ class IEGrScene
       virtual bool SetExtension( const BBox3d& b3Ext) = 0 ;
       virtual bool UpdateExtension( void) = 0 ;
       virtual bool SetMark( Color colMark) = 0 ;
+      virtual bool SetSelSurf( Color colSelSurf) = 0 ;
      // Grid
       virtual bool SetGridShow( bool bShowGrid, bool bShowFrame) = 0 ;
       virtual bool SetGridFrame( const Frame3d& frFrame) = 0 ;
diff --git a/EInAPI.h b/EInAPI.h
index 27da93c..f4b6a91 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -56,6 +56,8 @@ EIN_EXPORT BOOL __stdcall EgtVectorToLoc( double* pdX, double* pdY, double* pdZ,
 EIN_EXPORT BOOL __stdcall EgtVectorLocToLoc( double* pdX, double* pdY, double* pdZ,
                           const double ptO1[3], const double vtX1[3], const double vtY1[3], const double vtZ1[3],
                           const double ptO2[3], const double vtX2[3], const double vtY2[3], const double vtZ2[3]) ;
+EIN_EXPORT BOOL __stdcall EgtGetVectorRotation( const double vtS[3], const double vtE[3], const double vtAx[3],
+                                                double* pdAngRotDeg, BOOL* pbDet) ;
 EIN_EXPORT BOOL __stdcall EgtPointTranslate( double* pdX, double* pdY, double* pdZ,
                           const double vtMove[3]) ;
 EIN_EXPORT BOOL __stdcall EgtPointRotate( double* pdX, double* pdY, double* pdZ,
@@ -74,6 +76,8 @@ EIN_EXPORT BOOL __stdcall EgtPointToLoc( double* pdX, double* pdY, double* pdZ,
 EIN_EXPORT BOOL __stdcall EgtPointLocToLoc( double* pdX, double* pdY, double* pdZ,
                           const double ptO1[3], const double vtX1[3], const double vtY1[3], const double vtZ1[3],
                           const double ptO2[3], const double vtX2[3], const double vtY2[3], const double vtZ2[3]) ;
+EIN_EXPORT BOOL __stdcall EgtFrameFrom3Points( double ptO[3], double ptOnX[3], double ptNearY[3],
+                          double ptOrig[3], double vtX[3], double vtY[3], double vtZ[3]) ;
 EIN_EXPORT BOOL __stdcall EgtFrameTranslate( double ptOrig[3], double vtX[3], double vtY[3], double vtZ[3],
                           const double vtMove[3]) ;
 EIN_EXPORT BOOL __stdcall EgtFrameRotate( double ptOrig[3], double vtX[3], double vtY[3], double vtZ[3],
@@ -85,8 +89,6 @@ EIN_EXPORT BOOL __stdcall EgtFrameToLoc( double ptOrig[3], double vtX[3], double
 EIN_EXPORT BOOL __stdcall EgtFrameLocToLoc( double ptOrig[3], double vtX[3], double vtY[3], double vtZ[3],
                           const double ptO1[3], const double vtX1[3], const double vtY1[3], const double vtZ1[3],
                           const double ptO2[3], const double vtX2[3], const double vtY2[3], const double vtZ2[3]) ;
-EIN_EXPORT BOOL __stdcall EgtGetVectorRotation( const double vtS[3], const double vtE[3], const double vtAx[3],
-                                                double* pdAngRotDeg, BOOL* pbDet) ;
 
 // GeomDB
 EIN_EXPORT int  __stdcall EgtInitGeomDB( void) ;
@@ -241,10 +243,11 @@ EIN_EXPORT BOOL __stdcall EgtTrimCurveEndAtLen( int nId, double dLen) ;
 EIN_EXPORT BOOL __stdcall EgtTrimCurveStartAtParam( int nId, double dPar) ;
 EIN_EXPORT BOOL __stdcall EgtTrimCurveEndAtParam( int nId, double dPar) ;
 EIN_EXPORT BOOL __stdcall EgtTrimCurveStartEndAtParam( int nId, double dParS, double dParE) ;
+EIN_EXPORT BOOL __stdcall EgtSplitCurveAtPoint( int nId, double ptOn[3]) ;
 EIN_EXPORT BOOL __stdcall EgtModifyCurveCircleCPN( int nId, const double ptOn[3]) ;
 EIN_EXPORT BOOL __stdcall EgtModifyCurveArcC2PN( int nId, const double ptEnd[3]) ;
 EIN_EXPORT BOOL __stdcall EgtModifyCurveArc3P( int nId, const double ptMid[3]) ;
-EIN_EXPORT BOOL __stdcall EgtSplitCurveCompo( int nId) ;
+EIN_EXPORT BOOL __stdcall EgtSeparateCurveCompo( int nId) ;
 
 // Geo Snap Vector/Point/Frame
 EIN_EXPORT BOOL __stdcall EgtStartPoint( int nId, double ptP[3]) ;
@@ -293,6 +296,7 @@ EIN_EXPORT BOOL __stdcall EgtShearGroup( int nId, const double vPnt[3], const do
 EIN_EXPORT BOOL __stdcall EgtInitScene( HWND hWnd, int nDriver, int b2Buff, int nColorBits, int nDepthBits) ;
 EIN_EXPORT BOOL __stdcall EgtSetBackground( const int nTopCol[4], const int nBottomCol[4], BOOL bRedraw) ;
 EIN_EXPORT BOOL __stdcall EgtSetMarkAttribs( const int MarkCol[4]) ;
+EIN_EXPORT BOOL __stdcall EgtSetSelSurfAttribs( const int SelSurfCol[4]) ;
 EIN_EXPORT BOOL __stdcall EgtSetGeoLineAttribs( const int GlCol[4]) ;
 EIN_EXPORT BOOL __stdcall EgtSetWinRectAttribs( BOOL bOutline, const int WrCol[4]) ;
 EIN_EXPORT BOOL __stdcall EgtSetGridShow( BOOL bShowGrid, BOOL bShowFrame) ;