//_____________________________________________________________________________
void ViewTRDhole()
{
  //
  // Draw a view of the TRD geometry with holes
  //

  gMC->Gsatt("B071","SEEN", 0);
  gMC->Gsatt("B074","SEEN", 0);
  gMC->Gsatt("B075","SEEN", 0);
  gMC->Gsatt("B077","SEEN", 0);
  gMC->Gsatt("B078","SEEN", 0);
  gMC->Gsatt("B079","SEEN", 0);
  gMC->Gsatt("BTR1","SEEN", 0);
  gMC->Gsatt("BTR2","SEEN", 0);
  gMC->Gsatt("BTR3","SEEN", 0);
  gMC->Gsatt("TRD1","SEEN", 0);
  gMC->Gsatt("TRD2","SEEN", 0);
  gMC->Gsatt("TRD3","SEEN", 0);
  gMC->Gsatt("UCII","SEEN", 0);
  gMC->Gsatt("UCIM","SEEN", 0);
  gMC->Gsatt("UCIO","SEEN", 0);
  gMC->Gsatt("UL02","SEEN", 1);
  gMC->Gsatt("UL05","SEEN", 1);
  gMC->Gsatt("UL06","SEEN", 1);

}

//_____________________________________________________________________________
void ViewTRDfull0()
{
  //
  // Draws a view of the TRD geometry w/o holes
  //

  gMC->Gsatt("B071","SEEN", 0);
  gMC->Gsatt("B074","SEEN", 0);
  gMC->Gsatt("B075","SEEN", 0);
  gMC->Gsatt("B077","SEEN", 0);
  gMC->Gsatt("BTR1","SEEN", 0);
  gMC->Gsatt("BTR2","SEEN", 0);
  gMC->Gsatt("BTR3","SEEN", 0);
  gMC->Gsatt("TRD1","SEEN", 0);
  gMC->Gsatt("UCII","SEEN", 0);
  gMC->Gsatt("UCIM","SEEN", 0);
  gMC->Gsatt("UCIO","SEEN", 0);
  gMC->Gsatt("UL02","SEEN", 1);
  gMC->Gsatt("UL05","SEEN", 1);
  gMC->Gsatt("UL06","SEEN", 1);

}

//_____________________________________________________________________________
void ViewTRDfull1()
{
  //
  // Draws a view of the TRD geometry w/o holes
  //

  gMC->Gsatt("B071","SEEN", 0);
  gMC->Gsatt("B074","SEEN", 0);
  gMC->Gsatt("B075","SEEN", 0);
  gMC->Gsatt("B077","SEEN", 0);
  gMC->Gsatt("BTR1","SEEN", 0);
  gMC->Gsatt("BTR2","SEEN", 0);
  gMC->Gsatt("BTR3","SEEN", 0);
  gMC->Gsatt("TRD1","SEEN", 0);
  gMC->Gsatt("TRD2","SEEN", 0);
  gMC->Gsatt("UCII","SEEN", 0);
  gMC->Gsatt("UCIM","SEEN", 0);
  gMC->Gsatt("UCIO","SEEN", 0);
  gMC->Gsatt("UL02","SEEN", 1);
  gMC->Gsatt("UL05","SEEN", 1);
  gMC->Gsatt("UL06","SEEN", 1);

}

//_____________________________________________________________________________
void ViewTRDfull2()
{
  //
  // Draws a view of the TRD geometry w/o holes
  //

  gMC->Gsatt("B071","SEEN", 0);
  gMC->Gsatt("B074","SEEN", 0);
  gMC->Gsatt("B075","SEEN", 0);
  gMC->Gsatt("B077","SEEN", 0);
  gMC->Gsatt("BTR1","SEEN", 0);
  gMC->Gsatt("BTR2","SEEN", 0);
  gMC->Gsatt("BTR3","SEEN", 0);
  gMC->Gsatt("TRD1","SEEN", 0);
  gMC->Gsatt("TRD3","SEEN", 0);
  gMC->Gsatt("UCII","SEEN", 0);
  gMC->Gsatt("UCIM","SEEN", 0);
  gMC->Gsatt("UCIO","SEEN", 0);
  gMC->Gsatt("UL02","SEEN", 1);
  gMC->Gsatt("UL05","SEEN", 1);
  gMC->Gsatt("UL06","SEEN", 1);

}

//_____________________________________________________________________________
void ViewTRDfull3()
{
  //
  // Draws a view of the TRD geometry w/o holes
  //

  gMC->Gsatt("B071","SEEN", 0);
  gMC->Gsatt("B074","SEEN", 0);
  gMC->Gsatt("B075","SEEN", 0);
  gMC->Gsatt("B077","SEEN", 0);
  gMC->Gsatt("BTR1","SEEN", 0);
  gMC->Gsatt("BTR2","SEEN", 0);
  gMC->Gsatt("BTR3","SEEN", 0);
  gMC->Gsatt("TRD1","SEEN", 0);
  gMC->Gsatt("TRD2","SEEN", 0);
  gMC->Gsatt("TRD3","SEEN", 0);
  gMC->Gsatt("UCII","SEEN", 0);
  gMC->Gsatt("UCIM","SEEN", 0);
  gMC->Gsatt("UCIO","SEEN", 0);
  gMC->Gsatt("UL02","SEEN", 1);
  gMC->Gsatt("UL05","SEEN", 1);
  gMC->Gsatt("UL06","SEEN", 1);

}
  gMC->Gsatt("TRD1","SEEN", 0);