//---------------------------------------------------------------------------------------
void CCudaFDKAlgorithm3D::initializeFromProjector()
{
m_iVoxelSuperSampling = 1;
m_iGPUIndex = -1;
CCudaProjector3D* pCudaProjector = dynamic_cast<CCudaProjector3D*>(m_pProjector);
if (!pCudaProjector) {
if (m_pProjector) {
ASTRA_WARN("non-CUDA Projector3D passed to FDK_CUDA");
}
} else {
m_iVoxelSuperSampling = pCudaProjector->getVoxelSuperSampling();
m_iGPUIndex = pCudaProjector->getGPUIndex();
}
}
//---------------------------------------------------------------------------------------
// Initialize - Config
bool CCudaBackProjectionAlgorithm3D::initialize(const Config& _cfg)
{
ASTRA_ASSERT(_cfg.self);
ConfigStackCheck<CAlgorithm> CC("CudaBackProjectionAlgorithm3D", this, _cfg);
// if already initialized, clear first
if (m_bIsInitialized) {
clear();
}
// initialization of parent class
if (!CReconstructionAlgorithm3D::initialize(_cfg)) {
return false;
}
CCudaProjector3D* pCudaProjector = 0;
pCudaProjector = dynamic_cast<CCudaProjector3D*>(m_pProjector);
if (!pCudaProjector) {
// TODO: Report
}
m_iGPUIndex = (int)_cfg.self.getOptionNumerical("GPUindex", -1);
CC.markOptionParsed("GPUindex");
m_iVoxelSuperSampling = 1;
if (pCudaProjector)
m_iVoxelSuperSampling = pCudaProjector->getVoxelSuperSampling();
m_iVoxelSuperSampling = (int)_cfg.self.getOptionNumerical("VoxelSuperSampling", m_iVoxelSuperSampling);
CC.markOptionParsed("VoxelSuperSampling");
CFloat32ProjectionData3DMemory* pSinoMem = dynamic_cast<CFloat32ProjectionData3DMemory*>(m_pSinogram);
ASTRA_ASSERT(pSinoMem);
const CProjectionGeometry3D* projgeom = pSinoMem->getGeometry();
const CParallelProjectionGeometry3D* par3dgeom = dynamic_cast<const CParallelProjectionGeometry3D*>(projgeom);
const CParallelVecProjectionGeometry3D* parvec3dgeom = dynamic_cast<const CParallelVecProjectionGeometry3D*>(projgeom);
if (parvec3dgeom || par3dgeom) {
// This option is only supported for Par3D currently
m_bSIRTWeighting = _cfg.self.getOptionBool("SIRTWeighting", false);
CC.markOptionParsed("SIRTWeighting");
}
// success
m_bIsInitialized = _check();
return m_bIsInitialized;
}
