diff --git a/EXE_Exchange.cpp b/EXE_Exchange.cpp
index 905e188..fa52d7a 100644
--- a/EXE_Exchange.cpp
+++ b/EXE_Exchange.cpp
@@ -299,7 +299,7 @@ ExeAdvancedImportIsEnabled( void)
 
 //-----------------------------------------------------------------------------
 bool
-ExeAdvancedImport( const string& sFilePath)
+ExeAdvancedImport( const string& sFilePath, double dToler)
 {
    GseContext* pGseCtx = GetCurrGseContext() ;
    VERIFY_CTX_GEOMDB( pGseCtx, false)
@@ -330,7 +330,7 @@ ExeAdvancedImport( const string& sFilePath)
       sExec = "EgtConverterR32.exe" ;
    #endif
    string sCmdLine = "\"" + sExec + "\" \"" + sFilePath + "\" \"" + sFileOut + "\" \"" +
-                     ExeGetKey() +"\" \"" + ToString( ExeGetDebugLevel()) + "\""  ;
+                     ToString( dToler, 3) + "\" \"" +  ToString( ExeGetDebugLevel()) +"\" \"" + ExeGetKey() + "\""  ;
    STARTUPINFO si ;
    PROCESS_INFORMATION pi ;
    ZeroMemory( &si, sizeof( si)) ;
@@ -361,6 +361,8 @@ ExeAdvancedImport( const string& sFilePath)
    CmdLogOff cmdLogOff ;
    bOk = bOk && ExeOpenFile( sFileOut) ;
    cmdLogOff.Reset() ;
+   if ( ExeGetDebugLevel() < 5)
+      EraseFile( sFileOut) ;
   // aggiorno stato file corrente
    pGseCtx->m_sFilePath = sFilePath ;
    ExeSetModified() ;