diff --git a/EgtGraphics.rc b/EgtGraphics.rc
index a729a6a..d117324 100644
Binary files a/EgtGraphics.rc and b/EgtGraphics.rc differ
diff --git a/SceExecutor.cpp b/SceExecutor.cpp
index 72792b2..8d6cc1d 100644
--- a/SceExecutor.cpp
+++ b/SceExecutor.cpp
@@ -79,9 +79,7 @@ SceExecutor::Execute( const string& sCmd1, const string& sCmd2, const STRVECTOR&
    }
 
   // esecuzione comando
-   if ( sCmd1 == "PAUSE")
-      return ExecutePause( sCmd2, vsParams) ;
-   else if ( sCmd1 == "RD"  ||  sCmd1 == "REDRAW")
+   if ( sCmd1 == "RD"  ||  sCmd1 == "REDRAW")
       return ExecuteRedraw( sCmd2, vsParams) ;
    else if ( sCmd1 == "ZM"  ||  sCmd1 == "ZOOM")
       return ExecuteZoom( sCmd2, vsParams) ;
@@ -95,30 +93,6 @@ SceExecutor::Execute( const string& sCmd1, const string& sCmd2, const STRVECTOR&
    return false ;
 }
 
-//----------------------------------------------------------------------------
-bool
-SceExecutor::ExecutePause( const string& sCmd2, const STRVECTOR& vsParams) 
-{
-   const int MIN_TIME = 0 ;
-   const int MAX_TIME = 10000 ;
-
-  // 1 parametro : durata della pausa in ms
-   if ( vsParams.size() != 1)
-      return false ;
-  // tempo di attesa
-   int nTime ;
-   if ( ! FromString( vsParams[0], nTime))
-      return false ;
-   if ( nTime < MIN_TIME)
-      nTime = MIN_TIME ;
-   else if ( nTime > MAX_TIME)
-      nTime = MAX_TIME ;
-  // eseguo
-   Sleep( nTime) ;
-
-   return true ;
-}
-
 //----------------------------------------------------------------------------
 bool
 SceExecutor::ExecuteRedraw( const string& sCmd2, const STRVECTOR& vsParams) 
diff --git a/SceExecutor.h b/SceExecutor.h
index cd46c78..eda5c0b 100644
--- a/SceExecutor.h
+++ b/SceExecutor.h
@@ -20,18 +20,21 @@
 //----------------------------------------------------------------------------
 class SceExecutor : public ISceExecutor
 {
-   public :
+   public :              // ICmdExecutor
       virtual bool SetCmdParser( ICmdParser* pParser) ;
       virtual bool AddExecutor( ICmdExecutor* pOtherExec) ;
+      virtual bool AddStandardVariables( void)
+                      { return true ; }
       virtual bool Execute( const std::string& sCmd1, const std::string& sCmd2, const STRVECTOR& vsParams) ;
+
+   public :              // ISceExecutor
+      ~SceExecutor( void) ;
       virtual bool SetScene( IEGrScene* pScene) ;
 
    public :
       SceExecutor( void) ;
-      ~SceExecutor( void) ;
 
    private :
-      bool ExecutePause( const std::string& sCmd2, const STRVECTOR& vsParams) ;
       bool ExecuteRedraw( const std::string& sCmd2, const STRVECTOR& vsParams) ;
       bool ExecuteZoom( const std::string& sCmd2, const STRVECTOR& vsParams) ;
       bool ExecuteCenter( const std::string& sCmd2, const STRVECTOR& vsParams) ;
diff --git a/SceneBasic.cpp b/SceneBasic.cpp
index 1e1a744..dacb8b1 100644
--- a/SceneBasic.cpp
+++ b/SceneBasic.cpp
@@ -623,7 +623,7 @@ Scene::Draw( void)
 
   // aggiorno il colore di default
    if ( m_pGeomDB != nullptr)
-      m_pGeomDB->GetDefaultColor( m_colDef) ;
+      m_pGeomDB->GetDefaultMaterial( m_colDef) ;
 
   // imposto la dimensione standard dei punti
    glPointSize( 3) ;
diff --git a/SceneGeom.cpp b/SceneGeom.cpp
index 037ce24..880fbbd 100644
--- a/SceneGeom.cpp
+++ b/SceneGeom.cpp
@@ -183,7 +183,7 @@ Scene::DrawGeoObj( const IGdbIterator& iIter, int nObjStat)
       int nGeoType = pGeoObj->GetType() ;
       // recupero il colore
       Color cCol ;
-      if ( ! iIter.GetCalcColor( cCol))
+      if ( ! iIter.GetCalcMaterial( cCol))
          cCol = m_colDef ;
      // se vettore
       if ( nGeoType == GEO_VECT3D) {