RasterizerWorker* pThread = new RasterizerWorker (this, iThread, iStartUnit, iNumUnits);
m_vecpChildImageFiles[iThread]->setArraySize (iNumUnits, m_iNY);
pThread->SetParameters (m_pPhantomView, m_vecpChildImageFiles[iThread], m_iNX, m_iNY, m_iNSample, m_dViewRatio);
RasterizerWorker* pThread = new RasterizerWorker (this, iThread, iStartUnit, iNumUnits);
m_vecpChildImageFiles[iThread]->setArraySize (iNumUnits, m_iNY);
pThread->SetParameters (m_pPhantomView, m_vecpChildImageFiles[iThread], m_iNX, m_iNY, m_iNSample, m_dViewRatio);