FairGeoAssembly.cxx

Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file FairGeoAssembly.cxx

//*-- AUTHOR : M. Al-Turany  21/04/2009

//
// FairGeoAssmebly
//
// class for the shape Assembly

#include "FairGeoAssembly.h"

#include "FairGeoVolume.h"
#include "FairGeoVector.h"

#include "TArrayD.h"

ClassImp(FairGeoAssembly)

FairGeoAssembly::FairGeoAssembly()
  :FairGeoBasicShape()
{
  // constructor
  fName="ASSEMBLY";
  nPoints=0;
  nParam=0;
  param=new TArrayD(nParam);
}


FairGeoAssembly::~FairGeoAssembly()
{
  // destructor
  if (param) {
    delete param;
    param=0;
  }
  if (center) {
    delete center;
    center=0;
  }
  if (position) {
    delete position;
    position=0;
  }
}

Int_t FairGeoAssembly::readPoints(std::fstream* pFile,FairGeoVolume* volu)
{

  //Assemblies has no parameters so just return 1;
  return 1;
}


TArrayD* FairGeoAssembly::calcVoluParam(FairGeoVolume* volu)
{
  // nothing to calculate

  return param;
}

Bool_t FairGeoAssembly::writePoints(std::fstream* pFile,FairGeoVolume* volu)
{
  // writes the 4 'points' decribed above to ascii file
  if (!pFile) { return kFALSE; }
  Text_t buf[155];
  for(Int_t i=0; i<nPoints; i++) {
    FairGeoVector& v=*(volu->getPoint(i));
    sprintf(buf,"%9.3f\n",v(0));
    pFile->write(buf,strlen(buf));
  }
  return kTRUE;
}


void FairGeoAssembly::printPoints(FairGeoVolume* volu)
{
  // prints volume points to screen
  for(Int_t i=0; i<nPoints; i++) {
    FairGeoVector& v=*(volu->getPoint(i));
    printf("%9.3f\n",v(0));
  }
}



void FairGeoAssembly::calcVoluPosition(FairGeoVolume* volu,
                                       const FairGeoTransform& dTC,const FairGeoTransform& mTR)
{
  // calls the function posInMother(...) to calculate the position of the
  // volume in its mother
  Double_t t[3]= {0.,0.,0.};
  center->setTransVector(t);
  posInMother(dTC,mTR);
}