DicomFilePET Class Reference

#include <DicomFilePET.hh>

Inheritance diagram for DicomFilePET:

Collaboration diagram for DicomFilePET:

Public Member Functions
	DicomFilePET ()
	DicomFilePET (DcmDataset *dset)
	~DicomFilePET ()
void	BuildActivities ()
void	DumpActivitiesToTextFile (std::ofstream &fout)
Public Member Functions inherited from DicomVFileImage
	DicomVFileImage ()
	DicomVFileImage (DcmDataset *dset)
	~DicomVFileImage ()
virtual void	ReadData ()
void	operator+= (const DicomVFileImage &rhs)
DicomVFileImage	operator+ (const DicomVFileImage &rhs)
void	DumpHeaderToTextFile (std::ofstream &fout)
G4int	GetNoVoxelX () const
G4int	GetNoVoxelY () const
G4int	GetNoVoxelZ () const
G4int	GetNoVoxels () const
G4double	GetMinX () const
G4double	GetMinY () const
G4double	GetMinZ () const
G4double	GetMaxX () const
G4double	GetMaxY () const
G4double	GetMaxZ () const
void	SetNoVoxelX (const G4int &val)
void	SetNoVoxelY (const G4int &val)
void	SetNoVoxelZ (const G4int &val)
void	SetMinX (const G4double &val)
void	SetMaxX (const G4double &val)
void	SetMinY (const G4double &val)
void	SetMaxY (const G4double &val)
void	SetMinZ (const G4double &val)
void	SetMaxZ (const G4double &val)
const G4double &	GetLocation () const
void	SetLocation (const G4double &val)
G4ThreeVector	GetOrientationRows () const
G4ThreeVector	GetOrientationColumns () const
Public Member Functions inherited from DicomVFile
	DicomVFile ()
	DicomVFile (DcmDataset *dset)
	~DicomVFile ()
void	SetFileName (G4String fName)

Additional Inherited Members
Protected Member Functions inherited from DicomVFile
virtual std::vector< G4double >	Read1Data (DcmDataset *dset, DcmTagKey tagKey, G4int nData)
virtual OFString	Read1DataStr (DcmDataset *dset, DcmTagKey tagKey)
Protected Attributes inherited from DicomVFileImage
G4double	fLocation
G4double	fBitAllocated
G4double	fRescaleSlope
G4double	fRescaleIntercept
G4int	fNoVoxelX
G4int	fNoVoxelY
G4int	fNoVoxelZ
G4double	fMinX
G4double	fMinY
G4double	fMinZ
G4double	fMaxX
G4double	fMaxY
G4double	fMaxZ
G4double	fVoxelDimX
G4double	fVoxelDimY
G4double	fVoxelDimZ
G4ThreeVector	fOrientationRows
G4ThreeVector	fOrientationColumns
std::vector< int >	fHounsfieldV
DicomFileMgr *	theFileMgr
Protected Attributes inherited from DicomVFile
DcmDataset *	theDataset
G4String	fFileName

Detailed Description

Definition at line 31 of file DicomFilePET.hh.

Constructor & Destructor Documentation

DicomFilePET::DicomFilePET

(

)

Definition at line 42 of file DicomFilePET.cc.

{
}

DicomFilePET::DicomFilePET

(

DcmDataset *

dset

)

Definition at line 47 of file DicomFilePET.cc.

                                           : DicomVFileImage(dset)
{
}

DicomFilePET::~DicomFilePET ( )

inline

Definition at line 36 of file DicomFilePET.hh.

{};

Member Function Documentation

void DicomFilePET::BuildActivities

(

)

Definition at line 52 of file DicomFilePET.cc.

{
  G4int fCompress = theFileMgr->GetCompression();
  if( fNoVoxelX%fCompress != 0 || fNoVoxelY%fCompress != 0 ) {
    G4Exception("DicompFileMgr.:BuildMaterials",
                "DFC004",
                FatalException,
                ("Compression factor = " + std::to_string(fCompress) 
                 + " has to be a divisor of Number of voxels X = " + std::to_string(fNoVoxelX) 
                 + " and Y " + std::to_string(fNoVoxelY)).c_str());
  }

  //  if( DicomVerb(debugVerb) ) G4cout << " BuildMaterials " << fFileName << G4endl;
  double meanHV = 0.;
  for( int ir = 0; ir < fNoVoxelY; ir += fCompress ) {
    for( int ic = 0; ic < fNoVoxelX; ic += fCompress ) {
      meanHV = 0.;
      int isumrMax = std::min(ir+fCompress,fNoVoxelY);
      int isumcMax = std::min(ic+fCompress,fNoVoxelX);
      for( int isumr = ir; isumr < isumrMax; isumr ++ ) {
        for( int isumc = ic; isumc < isumcMax; isumc ++ ) {
          meanHV += fHounsfieldV[isumc+isumr*fNoVoxelX];
        }
      }
      meanHV /= (isumrMax-ir)*(isumcMax-ic);
      fActivities.push_back(meanHV);
    }
  }
  
}

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void DicomFilePET::DumpActivitiesToTextFile

(

std::ofstream &

fout

)

Definition at line 84 of file DicomFilePET.cc.

{
  G4int fCompress = theFileMgr->GetCompression();
  if( DicomFileMgr::verbose >= warningVerb ) G4cout << fLocation << " DumpDensitiesToTextFile " 
          << fFileName << " " << fActivities.size() << G4endl;
  
  G4int copyNo = 0;
  for( int ir = 0; ir < fNoVoxelY/fCompress; ir++ ) {
    for( int ic = 0; ic < fNoVoxelX/fCompress; ic++ ) {
      fout << fActivities[ic+ir*fNoVoxelX/fCompress];
      if( ic != fNoVoxelX/fCompress-1) fout << " ";
      if( copyNo%8 == 7 ) fout << G4endl;
      copyNo++;
    }
    if( copyNo%8 != 0 ) fout << G4endl;
  }

}

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---

The documentation for this class was generated from the following files:

• source/geant4.10.03.p02/examples/extended/medical/DICOM/dicomReader/include/DicomFilePET.hh
• source/geant4.10.03.p02/examples/extended/medical/DICOM/dicomReader/src/DicomFilePET.cc