void ViewTOFstrips()
{
//=====> Level 1
  // Level 1 for TOF volumes
  gMC->Gsatt("B077","seen",0);


//==========> Level 2
  // Level 2
  gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
  gMC->Gsatt("B071","seen",0);
  gMC->Gsatt("B074","seen",0);
  gMC->Gsatt("B075","seen",0);
  gMC->Gsatt("B080","seen",0); // B080 does not has sub-level

  // Level 2 of B071
  gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
  gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
  gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
  gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
  gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
  gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
  gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
  gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
  gMC->Gsatt("BTO1","seen",0);  


  // Level 2 of B074
  gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
  gMC->Gsatt("BTO2","seen",0);

  // Level 2 of B075
  gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
  gMC->Gsatt("BTO3","seen",0);

// ==================> Level 3
  // Level 3 of B071 / Level 2 of BTO1
  gMC->Gsatt("FTOC","seen",0);
  gMC->Gsatt("FTOB","seen",0);
  gMC->Gsatt("FTOA","seen",0);

  // Level 3 of B074 / Level 2 of BTO2
  // -> cfr previous settings

  // Level 3 of B075 / Level 2 of BTO3
  // -> cfr previous settings

// ==========================> Level 4  
  // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
  gMC->Gsatt("FLTC","seen",0);
  // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
  gMC->Gsatt("FLTB","seen",0);
  // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
  gMC->Gsatt("FLTA","seen",0);

  // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
  // -> cfr previous settings
  // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
  // -> cfr previous settings

  // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
  // -> cfr previous settings

//======================================> Level 5
  // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
  gMC->Gsatt("FALC","seen",0); // no children for FALC
  gMC->Gsatt("FSTR","seen",-2);
  gMC->Gsatt("FPEC","seen",0); // no children for FPEC
  gMC->Gsatt("FECC","seen",0); // no children for FECC
  gMC->Gsatt("FWAC","seen",0); // no children for FWAC
  gMC->Gsatt("FAIC","seen",0); // no children for FAIC

  // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
  gMC->Gsatt("FALB","seen",0); // no children for FALB
//-->  gMC->Gsatt("FSTR","seen",-2);
  // -> cfr previous settings
  gMC->Gsatt("FPEB","seen",0); // no children for FPEB
  gMC->Gsatt("FECB","seen",0); // no children for FECB
  gMC->Gsatt("FWAB","seen",0); // no children for FWAB
  gMC->Gsatt("FAIB","seen",0); // no children for FAIB

  // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
  gMC->Gsatt("FALA","seen",0); // no children for FALB
//-->  gMC->Gsatt("FSTR","seen",-2);
  // -> cfr previous settings
  gMC->Gsatt("FPEA","seen",0); // no children for FPEA
  gMC->Gsatt("FECA","seen",0); // no children for FECA
  gMC->Gsatt("FWAA","seen",0); // no children for FWAA
  gMC->Gsatt("FAIA","seen",0); // no children for FAIA

// for others Level 5, cfr. previous settings 

  
}