diff --git a/Drilling.cpp b/Drilling.cpp
index 5ed34b3..2ab4e21 100644
--- a/Drilling.cpp
+++ b/Drilling.cpp
@@ -1674,7 +1674,7 @@ Drilling::MultiHeadVerifyHole( Hole& hole, const ToolData* Tool, double dDiamTol
   // imposto elevazione da lunghezza foro con possibilità di sovrascrittura da info
    double dElev = hole.dLen ;
    double dMaxElev ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "MaxElev="), dMaxElev)  &&  dElev > dMaxElev) {
+   if ( GetValInNotes( m_Params.m_sUserNotes, "MaxElev", dMaxElev)  &&  dElev > dMaxElev) {
       dElev = dMaxElev ;
       hole.ptIni += hole.vtDir * ( dElev - hole.dLen) ;
       hole.dLen = dElev ;
@@ -2033,7 +2033,7 @@ Drilling::GenerateHoleCl( int nInd, const SelData& nCircId, const string& sPName
   // imposto elevazione da lunghezza foro con possibilità di sovrascrittura da info
    double dElev = hole.dLen ;
    double dMaxElev ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "MaxElev="), dMaxElev)  &&  dElev > dMaxElev) {
+   if ( GetValInNotes( m_Params.m_sUserNotes, "MaxElev", dMaxElev)  &&  dElev > dMaxElev) {
       dElev = dMaxElev ;
       hole.ptIni += hole.vtDir * ( dElev - hole.dLen) ;
       hole.dLen = ( hole.dLen > 10 * EPS_SMALL ? max( dElev, 10 * EPS_SMALL) : dElev) ;
@@ -2451,7 +2451,7 @@ Drilling::GetHoleData( SelData Id, Hole& hole)
    hole.bBlind = true ;
    // se dichiarato passante o no (1/0)
    int nOpen ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "Open="), nOpen))
+   if ( GetValInNotes( m_Params.m_sUserNotes, "Open", nOpen))
       hole.bBlind = ( nOpen == 0) ;
    // se verticale ed arriva fino al fondo grezzo, allora passante
    else if ( hole.vtDir.IsZplus()  &&  hole.dThick > dRbDist - EPS_SMALL) 
diff --git a/Milling.cpp b/Milling.cpp
index 91a4fe9..710966e 100644
--- a/Milling.cpp
+++ b/Milling.cpp
@@ -1376,7 +1376,7 @@ Milling::GetCurves( SelData Id, ICURVEPLIST& lstPC)
          nToolDir = TOOL_PARAL ;
       int nFaceUse = ( m_Params.m_nFaceUse & 31) ;
       Vector3d vtFaceUse ;
-      if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "VtFaceUse="), vtFaceUse)  &&  ! vtFaceUse.IsSmall())
+      if ( GetValInNotes( m_Params.m_sUserNotes, "VtFaceUse", vtFaceUse)  &&  ! vtFaceUse.IsSmall())
          nFaceUse = FACE_VERSOR ;
       double dSawThick = ( ( m_TParams.m_nType & TF_SAWBLADE) != 0 ? m_TParams.m_dThick : 0) ;
       AdjustCurveFromSurf( pCrvCompo, nToolDir, nFaceUse, vtFaceUse, dSawThick) ;
@@ -1404,7 +1404,7 @@ Milling::GetCurves( SelData Id, ICURVEPLIST& lstPC)
          nToolDir = TOOL_PARAL ;
       int nFaceUse = ( m_Params.m_nFaceUse & 31) ;
       Vector3d vtFaceUse ;
-      if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "VtFaceUse="), vtFaceUse)  &&  ! vtFaceUse.IsSmall())
+      if ( GetValInNotes( m_Params.m_sUserNotes, "VtFaceUse", vtFaceUse)  &&  ! vtFaceUse.IsSmall())
          nFaceUse = FACE_VERSOR ;
       double dSawThick = ( ( m_TParams.m_nType & TF_SAWBLADE) != 0 ? m_TParams.m_dThick : 0) ;
      // determino intervallo di chunk
@@ -1834,13 +1834,13 @@ Milling::ProcessPath( int nPathId, int nPvId, int nClId)
       return false ;
   // eventuale imposizione massima elevazione da note utente
    double dMaxElev ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "MaxElev="), dMaxElev)  &&  dElev > dMaxElev)
+   if ( GetValInNotes( m_Params.m_sUserNotes, "MaxElev", dMaxElev)  &&  dElev > dMaxElev)
       dElev = dMaxElev ;
   // eventuale aggiuntivo all'elevazione per l'oscillazione
    double dAddElev = ( bPathOscEnable ? abs( m_Params.m_dOscHeight) : 0) ;
   // eventuale elevazione di fianco (solo per lama)
    double dSideElev = 0 ;
-   FromString( ExtractInfo( m_Params.m_sUserNotes, "SideElev="), dSideElev) ;
+   GetValInNotes( m_Params.m_sUserNotes, "SideElev", dSideElev) ;
 
   // verifico che lo step dell'utensile sia sensato
    double dOkStep = 0 ;
@@ -1960,7 +1960,7 @@ Milling::ProcessPath( int nPathId, int nPvId, int nClId)
 
   // recupero eventuale flag di inizio forzato fuori dal grezzo
    int nStartOutRaw = 0 ;
-   FromString( ExtractInfo( m_Params.m_sUserNotes, "OutRaw="), nStartOutRaw) ;
+   GetValInNotes( m_Params.m_sUserNotes, "OutRaw", nStartOutRaw) ;
    m_bStartOutRaw = (( nStartOutRaw & 1) != 0) ;
    m_bEndOutRaw = (( nStartOutRaw & 2) != 0) ;
 
@@ -3936,7 +3936,7 @@ Milling::AddSawZigZagMilling( const ICurveComposite* pCompo, const Vector3d& vtT
   // recupero eventuale superficie trimesh chiusa per trim/extend
    int nTriExtCstm = GDB_ID_NULL ;
    int nTesId ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "TrimExt="), nTesId)) {
+   if ( GetValInNotes( m_Params.m_sUserNotes, "TrimExt", nTesId)) {
       const ISurfTriMesh* pTes = GetSurfTriMesh( m_pGeomDB->GetGeoObj( nTesId)) ;
       if ( pTes != nullptr  &&  pTes->IsClosed())
          nTriExtCstm = nTesId ;
@@ -4112,7 +4112,7 @@ Milling::AddSawOneWayMilling( const ICurveComposite* pCompo, const Vector3d& vtT
   // recupero eventuale superficie trimesh chiusa per trim/extend
    int nTriExtCstm = GDB_ID_NULL ;
    int nTesId ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "TrimExt="), nTesId)) {
+   if ( GetValInNotes( m_Params.m_sUserNotes, "TrimExt", nTesId)) {
       const ISurfTriMesh* pTes = GetSurfTriMesh( m_pGeomDB->GetGeoObj( nTesId)) ;
       if ( pTes != nullptr  &&  pTes->IsClosed())
          nTriExtCstm = nTesId ;
diff --git a/Mortising.cpp b/Mortising.cpp
index 4ad938a..fbd9b71 100644
--- a/Mortising.cpp
+++ b/Mortising.cpp
@@ -1325,7 +1325,7 @@ Mortising::ProcessPath( int nPathId, int nPvId, int nClId)
       return false ;
   // eventuale imposizione massima elevazione da note utente
    double dMaxElev ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "MaxElev="), dMaxElev)  &&  dElev > dMaxElev)
+   if ( GetValInNotes( m_Params.m_sUserNotes, "MaxElev", dMaxElev)  &&  dElev > dMaxElev)
       dElev = dMaxElev ;
 
   // ingombro aggiuntivo da larghezza sega a catena quando inclinata rispetto al movimento
@@ -1336,7 +1336,7 @@ Mortising::ProcessPath( int nPathId, int nPvId, int nClId)
 
   // affondamento speciale da note utente (!!! da trasformare in parametro come gli altri !!!)
    int nPlunge = 0 ;
-   FromString( ExtractInfo( m_Params.m_sUserNotes, "Plunge="), nPlunge) ;
+   GetValInNotes( m_Params.m_sUserNotes, "Plunge", nPlunge) ;
 
   // verifico che lo step dell'utensile sia sensato
    double dOkStep = ( nPlunge == MORTISE_PLUNGE_STEP ? m_Params.m_dStep : 0) ;
diff --git a/Operation.cpp b/Operation.cpp
index 33b2b5e..37166cd 100644
--- a/Operation.cpp
+++ b/Operation.cpp
@@ -4151,13 +4151,15 @@ Operation::SpecialGetMaxZ( const DBLVECTOR& vAx1, const Vector3d& vtTool1,
   // eseguo
    bOk = bOk && pMch->LuaCallFunction( ON_SPECIAL_GETMAXZ, false) ;
   // recupero valori parametri obbligatori
-   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_ERROR, nErr) ;
-   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_MAXZ, dMaxZ) ;
-  // reset
-   bOk = bOk && pMch->LuaResetGlobVar( EMC_VAR) ;
-  // segnalo errori
-   if ( nErr != 0) {
+   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_ERROR, nErr) && nErr == 0 ;
+   if ( bOk  &&  ! pMch->LuaGetGlobVar( EMC_VAR + EVAR_MAXZ, dMaxZ)) {
       bOk = false ;
+      nErr = 91 ;
+   }
+  // reset
+   bOk = pMch->LuaResetGlobVar( EMC_VAR) && bOk ;
+  // segnalo errori
+   if ( ! bOk) {
       string sOut = "  Error in " + ON_SPECIAL_GETMAXZ + " (" + ToString( nErr) + ")" ;
       LOG_ERROR( GetEMkLogger(), sOut.c_str())
    }
@@ -4677,6 +4679,7 @@ Operation::SpecialTestCollisionAvoid( const DBLVECTOR& vAxStart, const DBLVECTOR
   // avvio
    bool bOk = true ;
    int nErr = 99 ;
+   int nRes = SCAV_TOTEST ;
   // imposto valori parametri
    bOk = bOk && pMch->LuaCreateGlobTable( EMC_VAR) ;
    bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_TOOL, GetToolName()) ;
@@ -4693,18 +4696,19 @@ Operation::SpecialTestCollisionAvoid( const DBLVECTOR& vAxStart, const DBLVECTOR
   // eseguo
    bOk = bOk && pMch->LuaCallFunction( ON_SPECIAL_TESTCOLLISIONAVOID, false) ;
   // recupero valori parametri obbligatori
-   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_ERROR, nErr) ;
-   int nRes = SCAV_TOTEST ;
-   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_RES, nRes) ;
-  // reset
-   bOk = bOk && pMch->LuaResetGlobVar( EMC_VAR) ;
-  // segnalo errori
-   if ( nErr != 0) {
+   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_ERROR, nErr) && nErr == 0 ;
+   if ( bOk  &&  ! pMch->LuaGetGlobVar( EMC_VAR + EVAR_RES, nRes)) {
       bOk = false ;
+      nErr = 91 ;  
+   }
+  // reset
+   bOk = pMch->LuaResetGlobVar( EMC_VAR) && bOk ;
+  // segnalo errori
+   if ( ! bOk) {
       string sOut = "  Error in " + ON_SPECIAL_TESTCOLLISIONAVOID + " (" + ToString( nErr) + ")" ;
       LOG_ERROR( GetEMkLogger(), sOut.c_str())
    }
-   return ( nErr != 0 ? SCAV_ERROR : nRes) ;
+   return ( bOk ? nRes : SCAV_ERROR) ;
 }
 
 //----------------------------------------------------------------------------
@@ -4721,49 +4725,54 @@ Operation::SpecialMoveZup( DBLVECTOR& vAx, Vector3d& vtTool, int& nFlag, int& nF
    static const string EVAR_MODIF = ".MODIF" ;        // OUT (bool) flag di modifica effettuata
    static const string ON_SPECIAL_MOVEZUP = "OnSpecialMoveZup" ;
 
-  // eseguo l'azione
-   if ( pMch->LuaExistsFunction( ON_SPECIAL_MOVEZUP)) {
-      bool bOk = true ;
-      int nErr = 99 ;
-     // imposto valori parametri
-      bOk = bOk && pMch->LuaCreateGlobTable( EMC_VAR) ;
-      bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_FLAG, nFlag) ;
-      bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_FLAG2, nFlag2) ;
-      bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_TOOL, GetToolName()) ;
-      bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_HEAD, GetHeadName()) ;
-      bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_EXIT, GetExitNbr()) ;
-      bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_TCPOS, GetToolTcPos()) ;
-      // direzione utensile
-      bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_TDIR, vtTool) ;
-      // valore degli assi
-      bool bIsRobot = m_pMchMgr->GetCurrIsRobot() ;
-      int nNumAxes = int( vAx.size()) ;
-      for ( int i = 1 ; i <= nNumAxes ; ++ i)
-         bOk = bOk && pMch->LuaSetGlobVar( GetGlobVarAxisValue( i, EMC_VAR, bIsRobot), vAx[i-1]) ;
-     // eseguo
-      bOk = bOk && pMch->LuaCallFunction( ON_SPECIAL_MOVEZUP, false) ;
-     // recupero valori parametri obbligatori
-      bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_ERROR, nErr) ;
-      bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_MODIF, bModif) ;
-      bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + GVAR_FLAG, nFlag) ;
-      bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + GVAR_FLAG2, nFlag2) ;
-      bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + GVAR_TDIR, vtTool) ;
-      for ( int i = 1 ; i <= nNumAxes ; ++ i)
-         bOk = bOk && pMch->LuaGetGlobVar( GetGlobVarAxisValue( i, EMC_VAR, bIsRobot), vAx[i-1]) ;
-     // reset
-      bOk = bOk && pMch->LuaResetGlobVar( EMC_VAR) ;
-     // segnalo errori
-      if ( nErr != 0) {
-         bOk = false ;
-         string sOut = "  Error in " + ON_SPECIAL_MOVEZUP + " (" + ToString( nErr) + ")" ;
-         LOG_ERROR( GetEMkLogger(), sOut.c_str())
-      }
-      return bOk ;
-   }
-   else {
+  // se funzione non implementata
+   if ( ! pMch->LuaExistsFunction( ON_SPECIAL_MOVEZUP)) {
       bModif = false ;
       return true ;
    }
+
+  // eseguo l'azione
+   bool bOk = true ;
+   int nErr = 99 ;
+  // imposto valori parametri
+   bOk = bOk && pMch->LuaCreateGlobTable( EMC_VAR) ;
+   bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_FLAG, nFlag) ;
+   bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_FLAG2, nFlag2) ;
+   bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_TOOL, GetToolName()) ;
+   bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_HEAD, GetHeadName()) ;
+   bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_EXIT, GetExitNbr()) ;
+   bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_TCPOS, GetToolTcPos()) ;
+   // direzione utensile
+   bOk = bOk && pMch->LuaSetGlobVar( EMC_VAR + GVAR_TDIR, vtTool) ;
+   // valore degli assi
+   bool bIsRobot = m_pMchMgr->GetCurrIsRobot() ;
+   int nNumAxes = int( vAx.size()) ;
+   for ( int i = 1 ; i <= nNumAxes ; ++ i)
+      bOk = bOk && pMch->LuaSetGlobVar( GetGlobVarAxisValue( i, EMC_VAR, bIsRobot), vAx[i-1]) ;
+  // eseguo
+   bOk = bOk && pMch->LuaCallFunction( ON_SPECIAL_MOVEZUP, false) ;
+  // recupero valori parametri obbligatori
+   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_ERROR, nErr) && nErr == 0 ;
+   if ( bOk) {
+      if ( ! pMch->LuaGetGlobVar( EMC_VAR + EVAR_MODIF, bModif)  ||
+           ! pMch->LuaGetGlobVar( EMC_VAR + GVAR_FLAG, nFlag)  ||
+           ! pMch->LuaGetGlobVar( EMC_VAR + GVAR_FLAG2, nFlag2)  ||
+           ! pMch->LuaGetGlobVar( EMC_VAR + GVAR_TDIR, vtTool))
+         nErr = 91 ;
+      for ( int i = 1 ; i <= nNumAxes ; ++ i) {
+         if ( ! pMch->LuaGetGlobVar( GetGlobVarAxisValue( i, EMC_VAR, bIsRobot), vAx[i-1]))
+            nErr = 92 ;
+      }
+      bOk = ( nErr == 0) ;
+   }
+  // reset
+   bOk = pMch->LuaResetGlobVar( EMC_VAR) && bOk ;
+  // segnalo errori
+   if ( ! bOk) {
+      string sOut = "  Error in " + ON_SPECIAL_MOVEZUP + " (" + ToString( nErr) + ")" ;
+      LOG_ERROR( GetEMkLogger(), sOut.c_str())
+   }
+   return bOk ;
 }
 
 //----------------------------------------------------------------------------
@@ -4812,7 +4821,7 @@ Operation::SpecialMoveRapid( const DBLVECTOR& vAxStart, const DBLVECTOR& vAxEnd,
   // eseguo
    bOk = bOk && pMch->LuaCallFunction( ON_SPECIAL_MOVERAPID, false) ;
   // recupero valori parametri obbligatori
-   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_ERROR, nErr) ;
+   bOk = bOk && pMch->LuaGetGlobVar( EMC_VAR + EVAR_ERROR, nErr) && nErr == 0 ;
   // recupero i parametri facoltativi
    int nPosTot ;
    if ( ! pMch->LuaGetGlobVar( EMC_VAR + EVAR_POSTOT, nPosTot))
@@ -4824,6 +4833,7 @@ Operation::SpecialMoveRapid( const DBLVECTOR& vAxStart, const DBLVECTOR& vAxEnd,
       vNewPos[0].vAxis.resize( nNumAxes) ;
       for ( int i = 1 ; i <= nNumAxes && bOk ; ++ i) {
          if ( ! pMch->LuaGetGlobVar( GetGlobVarAxisValue( i, EMC_VAR, bIsRobot), vNewPos[0].vAxis[i-1])) {
+            bOk = false ;
             nErr = 91 ;
             break ;
          }
@@ -4834,12 +4844,14 @@ Operation::SpecialMoveRapid( const DBLVECTOR& vAxStart, const DBLVECTOR& vAxEnd,
          string sRec = EMC_VAR + EVAR_POS + "." + ToString( j) ;
          Position CurrPos ;
          if ( ! pMch->LuaGetGlobVar( sRec + EVAR_SIDE, CurrPos.nSide)) {
+            bOk = false ;
             nErr = 92 ;
             break ;
          }
          CurrPos.vAxis.resize( nNumAxes) ;
-         for ( int i = 1 ; i <= nNumAxes && bOk ; ++ i) {
+         for ( int i = 1 ; i <= nNumAxes ; ++ i) {
             if ( ! pMch->LuaGetGlobVar( GetGlobVarAxisValue( i, sRec, bIsRobot), CurrPos.vAxis[i-1])) {
+               bOk = false ;
                nErr = 93 ;
                break ;
             }
@@ -4858,8 +4870,7 @@ Operation::SpecialMoveRapid( const DBLVECTOR& vAxStart, const DBLVECTOR& vAxEnd,
   // reset
    bOk = pMch->LuaResetGlobVar( EMC_VAR) && bOk ;
   // segnalo errori
-   if ( nErr != 0) {
-      bOk = false ;
+   if ( ! bOk) {
       string sOut = "  Error in " + ON_SPECIAL_MOVERAPID + " (" + ToString( nErr) + ")" ;
       LOG_ERROR( GetEMkLogger(), sOut.c_str())
    }
diff --git a/Pocketing.cpp b/Pocketing.cpp
index 545f8f1..8ce47aa 100644
--- a/Pocketing.cpp
+++ b/Pocketing.cpp
@@ -1608,7 +1608,7 @@ Pocketing::ProcessPath( int nPathId, int nPvId, int nClId)
       return false ;
   // eventuale imposizione massima elevazione da note utente
    double dMaxElev ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "MaxElev="), dMaxElev)  &&  dElev > dMaxElev)
+   if ( GetValInNotes( m_Params.m_sUserNotes, "MaxElev", dMaxElev)  &&  dElev > dMaxElev)
       dElev = dMaxElev ;
 
   // verifico che lo step dell'utensile sia sensato
@@ -1679,11 +1679,11 @@ Pocketing::ProcessPath( int nPathId, int nPvId, int nClId)
 
   // recupero eventuale flag di lato aperto forzato fuori dal grezzo
    int nOpenOutRaw ;
-   m_bOpenOutRaw = ( FromString( ExtractInfo( m_Params.m_sUserNotes, "OpenOutRaw="), nOpenOutRaw)  &&  nOpenOutRaw != 0) ;
+   m_bOpenOutRaw = ( GetValInNotes( m_Params.m_sUserNotes, "OpenOutRaw", nOpenOutRaw)  &&  nOpenOutRaw != 0) ;
 
   // recupero eventuale minima lunghezza di attacco su lato aperto
    m_dOpenMinSafe = 0 ;
-   FromString( ExtractInfo( m_Params.m_sUserNotes, "OpenMinSafe="), m_dOpenMinSafe) ;
+   GetValInNotes( m_Params.m_sUserNotes, "OpenMinSafe", m_dOpenMinSafe) ;
 
   // se richiesta anteprima
    if ( nPvId != GDB_ID_NULL) {
@@ -3881,7 +3881,7 @@ Pocketing::CalcSpiral( const ICurveComposite* pCompo, int nReg, bool bSplitArcs,
       Vector3d vtOrtho = OrthoCompo( vtOtherDir, vtDir) ;
       double dPocketSize = vtOrtho.Len() ;
       double dMaxOptSize = m_Params.m_dSideStep ;
-      FromString( ExtractInfo( m_Params.m_sUserNotes, "MaxOptSize="), dMaxOptSize) ;
+      GetValInNotes( m_Params.m_sUserNotes, "MaxOptSize", dMaxOptSize) ;
       if ( ( ( bSomeOpen  &&  dPocketSize < m_TParams.m_dDiam + EPS_SMALL)  ||  abs( dPocketSize - m_TParams.m_dDiam) < EPS_SMALL)  &&
            dPocketSize < dMaxOptSize + 10 * EPS_SMALL) {
          if ( nReg == 0) {
@@ -5507,7 +5507,7 @@ bool
 Pocketing::GetForcedClosed( void)
 {
    int nOpen ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "Open="), nOpen)  &&  nOpen == 0)
+   if ( GetValInNotes( m_Params.m_sUserNotes, "Open", nOpen)  &&  nOpen == 0)
       return true ;
    else
       return false ;
diff --git a/PocketingNT.cpp b/PocketingNT.cpp
index c274699..8f6a0f4 100644
--- a/PocketingNT.cpp
+++ b/PocketingNT.cpp
@@ -2098,7 +2098,7 @@ PocketingNT::ProcessPath( int nPathId, int nPvId, int nClId)
       return false ;
   // eventuale imposizione massima elevazione da note utente
    double dMaxElev ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "MaxElev="), dMaxElev)  &&  dElev > dMaxElev)
+   if ( GetValInNotes( m_Params.m_sUserNotes, "MaxElev", dMaxElev)  &&  dElev > dMaxElev)
       dElev = dMaxElev ;
 
   // verifico che lo step dell'utensile sia sensato
@@ -2168,11 +2168,11 @@ PocketingNT::ProcessPath( int nPathId, int nPvId, int nClId)
 
   // recupero eventuale flag di lato aperto forzato fuori dal grezzo
    int nOpenOutRaw ;
-   m_bOpenOutRaw = ( FromString( ExtractInfo( m_Params.m_sUserNotes, "OpenOutRaw="), nOpenOutRaw)  &&  nOpenOutRaw != 0) ;
+   m_bOpenOutRaw = ( GetValInNotes( m_Params.m_sUserNotes, "OpenOutRaw", nOpenOutRaw)  &&  nOpenOutRaw != 0) ;
 
   // recupero eventuale minima lunghezza di attacco su lato aperto
    m_dOpenMinSafe = 0 ;
-   FromString( ExtractInfo( m_Params.m_sUserNotes, "OpenMinSafe="), m_dOpenMinSafe) ;
+   GetValInNotes( m_Params.m_sUserNotes, "OpenMinSafe", m_dOpenMinSafe) ;
 
   // se richiesta anteprima
    if ( nPvId != GDB_ID_NULL) {
@@ -3531,7 +3531,7 @@ bool
 PocketingNT::GetForcedClosed( void)
 {
    int nOpen ;
-   if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "Open="), nOpen)  &&  nOpen == 0)
+   if ( GetValInNotes( m_Params.m_sUserNotes, "Open", nOpen)  &&  nOpen == 0)
       return true ;
    else
       return false ;
diff --git a/Sawing.cpp b/Sawing.cpp
index 0807972..ef957b8 100644
--- a/Sawing.cpp
+++ b/Sawing.cpp
@@ -694,7 +694,7 @@ Sawing::Apply( bool bRecalc, bool bPostApply)
 
   // verifiche per attacchi/uscite senza approcci e retrazioni
    int nDownSE = 0 ;
-   FromString( ExtractInfo( m_Params.m_sUserNotes, "DownSE="), nDownSE) ;
+   GetValInNotes( m_Params.m_sUserNotes, "DownSE", nDownSE) ;
    m_bDownSE = ( nDownSE != 0  &&  m_Params.m_nStepType == SAW_ST_TOANDFROM) ;
 
   // recupero gruppo per geometria di lavorazione (Cutter Location)
@@ -1889,10 +1889,10 @@ Sawing::ProcessLine( const ICurve* pCrvP, const ICurveLine* pLineC, const ICurve
   // recupero eventuali estensioni dei baffi (whiskers)
    double dStartWhiskExt = 0 ;
    if ( m_Params.m_nLeadInType == SAW_LI_CENT)
-      FromString( ExtractInfo( m_Params.m_sUserNotes, "SWE="), dStartWhiskExt) ;
+      GetValInNotes( m_Params.m_sUserNotes, "SWE", dStartWhiskExt) ;
    double dEndWhiskExt = 0 ;
    if ( m_Params.m_nLeadOutType == SAW_LO_CENT)
-      FromString( ExtractInfo( m_Params.m_sUserNotes, "EWE="), dEndWhiskExt) ;
+      GetValInNotes( m_Params.m_sUserNotes, "EWE", dEndWhiskExt) ;
 
   // Se richiesto Preview
    if ( nPvId != GDB_ID_NULL) {
diff --git a/SurfFinishing.cpp b/SurfFinishing.cpp
index 8ea730d..851bece 100644
--- a/SurfFinishing.cpp
+++ b/SurfFinishing.cpp
@@ -3748,7 +3748,7 @@ SurfFinishing::AddOptimal( ICAvToolSurfTm* pCAvTlStm, const SURFLOCALVECTOR& vSr
    if ( ! IsNull( pSfrZConst)  &&  pSfrZConst->IsValid()) {
      // recupero dai parametri eventuale Offset di sovrapposizione per ZConst
       double dZConstOverlap = m_TParams.m_dDiam / 2 ;
-      if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "ZConstOverlap="), dZConstOverlap))
+      if ( GetValInNotes( m_Params.m_sUserNotes, "ZConstOverlap", dZConstOverlap))
          dZConstOverlap = Clamp( dZConstOverlap, 0., m_TParams.m_dDiam / 2) ;
      // mi assicuro di non uscire dalla superficie originale
       pSfrZConst->Offset( m_Params.m_dSideStep + dZConstOverlap, ICurve::OFF_FILLET) ;
diff --git a/SurfRoughing.cpp b/SurfRoughing.cpp
index 5178971..6009e3e 100644
--- a/SurfRoughing.cpp
+++ b/SurfRoughing.cpp
@@ -1398,7 +1398,7 @@ SurfRoughing::ProcessPath( int nPathId, int nPvId, int nClId)
    if ( dSfrMaxElev > EPS_SMALL) {
      // eventuale imposizione massima elevazione da note utente
       double dMaxElev ;
-      if ( FromString( ExtractInfo( m_Params.m_sUserNotes, "MaxElev="), dMaxElev)  &&  dSfrMaxElev > dMaxElev)
+      if ( GetValInNotes( m_Params.m_sUserNotes, "MaxElev", dMaxElev)  &&  dSfrMaxElev > dMaxElev)
          dSfrMaxElev = dMaxElev ;
      // la regione viene traslata dell'elevazione trovata lungo vtTool
       pSfrSgro->Translate( dSfrMaxElev * vtTool) ;
@@ -1408,7 +1408,7 @@ SurfRoughing::ProcessPath( int nPathId, int nPvId, int nClId)
 
   // controllo se richiesto PlaneZDetection
    bool bPlaneZDetection = false ;
-   m_bDetectPlaneZ = ( FromString( ExtractInfo( m_Params.m_sUserNotes, "PlaneZ="), bPlaneZDetection)  &&  bPlaneZDetection) ;
+   m_bDetectPlaneZ = ( GetValInNotes( m_Params.m_sUserNotes, "PlaneZ", bPlaneZDetection)  &&  bPlaneZDetection) ;
 
   // creo un frame centrato sulla superficie
    Frame3d frSfr ;