EgtMachKernel :

- in fresatura e taglio di lama portate info di Start, End, Extr e Elev anche nei gruppi P1, P2, ... di Preview
- in simulazione migliorato nascondere della traccia utensile.

SimulatorSP.cpp

@@ -97,6 +97,7 @@ SimulatorSP::SimulatorSP( void)
    m_bEnableVm = false ;
    m_dSafeDist = SAFEDIST_STD ;
    m_bEnableTrace = false ;
+   m_nTraceGroup = GDB_ID_NULL ;
    m_nCurrTrace = GDB_ID_NULL ;
    m_nAxesMask = 0 ;
    m_bEnabAxes = true ;
@@ -1685,10 +1686,10 @@ SimulatorSP::EnableToolTipTrace( bool bEnable)
          ;
       }
       else {
-         int nTraceCrvId = m_nCurrTrace ;
+         int nTraceCrvId = m_pGeomDB->GetFirstInGroup( m_nTraceGroup) ;
          while ( nTraceCrvId != GDB_ID_NULL) {
             m_pGeomDB->SetStatus( nTraceCrvId, GDB_ST_OFF) ;
-            nTraceCrvId = m_pGeomDB->GetPrev( nTraceCrvId) ;
+            nTraceCrvId = m_pGeomDB->GetNext( nTraceCrvId) ;
          }
          m_nCurrTrace = GDB_ID_NULL ;
       }
@@ -1708,6 +1709,7 @@ SimulatorSP::TraceToolTipMove( int nMoveType)
    int nTraceGrpId ;
    if ( ! m_pMachine->LuaGetGlobVar( GLOB_VAR + GVAR_TOOLTRACE, nTraceGrpId))
       return false ;
+   m_nTraceGroup = nTraceGrpId ;
   // recupero posizione utensile corrente
    int nExitId = m_pMachine->GetExitId( m_sHead, m_nExit) ;
    Frame3d frExit ;