void geom_gentle_tpc(Bool_t register_as_global=kTRUE)
{
  TFile f("$ALICE_ROOT/EVE/alice-data/gentle_geo.root");
  TEveGeoShapeExtract* gse = (TEveGeoShapeExtract*) f.Get("Gentle");
  TEveGeoShape* gsre1 = TEveGeoShape::ImportShapeExtract(gse);
  f.Close();

  if (register_as_global)
  {
    gEve->AddGlobalElement(gsre1);

  }

  // Fix visibility, color and transparency

  gsre1->SetRnrSelf(kFALSE);
  TEveElement::List_i i = gsre1->BeginChildren();

//ITS

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);
  TEveElement::List_i j = lvl1->BeginChildren();

  TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
  lvl2->SetRnrSelf(kFALSE);
  TEveElement::List_i k = lvl2->BeginChildren();

  TEveGeoShape* its1 = (TEveGeoShape*) *k;
  its1->SetRnrSelf(kTRUE);
  its1->SetMainColor(kRed);
  k++;

  TEveGeoShape* its2 = (TEveGeoShape*) *k;
  its2->SetRnrSelf(kTRUE);
  its2->SetMainColor(kRed+2);
  k++;

  TEveGeoShape* its3 = (TEveGeoShape*) *k;
  its3->SetRnrSelf(kTRUE);
  its3->SetMainColor(kRed+4);

//TPC

  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);
  TEveElement::List_i j = lvl1->BeginChildren();

  TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
  lvl2->SetRnrSelf(kFALSE);
  TEveElement::List_i k = lvl2->BeginChildren();

  TEveGeoShape* lvl3 = (TEveGeoShape*) *k;
  lvl3->SetRnrSelf(kTRUE);
  lvl3->SetMainColor(kBlue);
  TEveElement::List_i l = lvl3->BeginChildren();

  TEveGeoShape* lvl4 = (TEveGeoShape*) *l;
  lvl4->SetRnrSelf(kFALSE);
  TEveElement::List_i m = lvl4->BeginChildren();

  TEveGeoShape* tpc1 = (TEveGeoShape*) *m;
  tpc1->SetRnrSelf(kTRUE);
  tpc1->SetMainColor(kGray);
  m++;

  TEveGeoShape* tpc2 = (TEveGeoShape*) *m;
  tpc2->SetRnrSelf(kTRUE);
  tpc2->SetMainColor(kGray);
  m++;

  TEveGeoShape* tpc3 = (TEveGeoShape*) *m;
  tpc3->SetRnrSelf(kTRUE);
  tpc3->SetMainColor(kGray);
  m++;

//TRD+TOF

  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);

    }

//PHOS

  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);
    }

//HMPID

  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);
    }


  TFile f("$ALICE_ROOT/EVE/alice-data/gentle_rphi_geo.root");
  TEveGeoShapeExtract* gse = (TEveGeoShapeExtract*) f.Get("Gentle");
  TEveGeoShape* gsre2 = TEveGeoShape::ImportShapeExtract(gse);
  f.Close();

  // Fix visibility, color and transparency

  gsre2->SetRnrSelf(kFALSE);
  TEveElement::List_i i = gsre2->BeginChildren();

//ITS

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);
  TEveElement::List_i j = lvl1->BeginChildren();

  TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
  lvl2->SetRnrSelf(kFALSE);
  TEveElement::List_i k = lvl2->BeginChildren();

  TEveGeoShape* its1 = (TEveGeoShape*) *k;
  its1->SetRnrSelf(kTRUE);
  its1->SetMainColor(kRed);
  k++;

  TEveGeoShape* its2 = (TEveGeoShape*) *k;
  its2->SetRnrSelf(kTRUE);
  its2->SetMainColor(kRed+2);
  k++;

  TEveGeoShape* its3 = (TEveGeoShape*) *k;
  its3->SetRnrSelf(kTRUE);
  its3->SetMainColor(kRed+4);

//TPC

  i++;
  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);

    }

//PHOS

  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);
    }

//HMPID

  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);
    }

  TFile f("$ALICE_ROOT/EVE/alice-data/gentle_rhoz_geo.root");
  TEveGeoShapeExtract* gse = (TEveGeoShapeExtract*) f.Get("Gentle");
  TEveGeoShape* gsre3 = TEveGeoShape::ImportShapeExtract(gse);
  f.Close();

  // Fix visibility, color and transparency

  gsre3->SetRnrSelf(kFALSE);
  TEveElement::List_i i = gsre3->BeginChildren();

//ITS

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);
  TEveElement::List_i j = lvl1->BeginChildren();

  TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
  lvl2->SetRnrSelf(kFALSE);
  TEveElement::List_i k = lvl2->BeginChildren();

  TEveGeoShape* its1 = (TEveGeoShape*) *k;
  its1->SetRnrSelf(kTRUE);
  its1->SetMainColor(kRed);
  k++;

  TEveGeoShape* its2 = (TEveGeoShape*) *k;
  its2->SetRnrSelf(kTRUE);
  its2->SetMainColor(kRed+2);
  k++;

  TEveGeoShape* its3 = (TEveGeoShape*) *k;
  its3->SetRnrSelf(kTRUE);
  its3->SetMainColor(kRed+4);

//TPC

  i++;
  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);

    }

//PHOS

  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);
    }

//HMPID

  i++;

  TEveGeoShape* lvl1 = (TEveGeoShape*) *i;
  lvl1->SetRnrSelf(kFALSE);

  for (TEveElement::List_i j = lvl1->BeginChildren(); j != lvl1->EndChildren(); j++)
    {
      TEveGeoShape* lvl2 = (TEveGeoShape*) *j;
      lvl2->SetRnrSelf(kFALSE);
    }


  TEveElement* top = gEve->GetCurrentEvent();

  AliEveMultiView *mv = AliEveMultiView::Instance();

  mv->InitGeomGentle(gsre1, gsre2, gsre3);

  gEve->FullRedraw3D(kTRUE, kTRUE);   

}