1 files changed, 122 insertions, 0 deletions
diff --git a/src/CudaProjector2D.cpp b/src/CudaProjector2D.cpp
new file mode 100644
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+++ b/src/CudaProjector2D.cpp
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+/*
+-----------------------------------------------------------------------
+This file is part of the
+All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA-Toolbox")
+
+Copyright: IBBT-Vision Lab, University of Antwerp
+Contact: mailto:wim.vanaarle@ua.ac.be
+Website: http://astra.ua.ac.be
+-----------------------------------------------------------------------
+$Id$
+*/
+#include "astra/CudaProjector2D.h"
+
+
+namespace astra
+{
+
+// type of the projector, needed to register with CProjectorFactory
+std::string CCudaProjector2D::type = "cuda";
+
+
+//----------------------------------------------------------------------------------------
+// Default constructor
+CCudaProjector2D::CCudaProjector2D()
+{
+	_clear();
+}
+
+//----------------------------------------------------------------------------------------
+// Destructor
+CCudaProjector2D::~CCudaProjector2D()
+{
+	if (m_bIsInitialized) clear();
+}
+
+//----------------------------------------------------------------------------------------
+// Clear for constructors
+void CCudaProjector2D::_clear()
+{
+	m_pProjectionGeometry = NULL;
+	m_pVolumeGeometry = NULL;
+	m_bIsInitialized = false;
+
+	m_projectionKernel = ker2d_default;
+}
+
+//----------------------------------------------------------------------------------------
+// Clear
+void CCudaProjector2D::clear()
+{
+	ASTRA_DELETE(m_pProjectionGeometry);
+	ASTRA_DELETE(m_pVolumeGeometry);
+	m_bIsInitialized = false;
+}
+
+//----------------------------------------------------------------------------------------
+// Check
+bool CCudaProjector2D::_check()
+{
+	// projection geometry
+	ASTRA_CONFIG_CHECK(m_pProjectionGeometry, "CudaProjector2D", "ProjectionGeometry2D not initialized.");
+	ASTRA_CONFIG_CHECK(m_pProjectionGeometry->isInitialized(), "CudaProjector2D", "ProjectionGeometry2D not initialized.");
+
+	// volume geometry
+	ASTRA_CONFIG_CHECK(m_pVolumeGeometry, "CudaProjector2D", "VolumeGeometry2D not initialized.");
+	ASTRA_CONFIG_CHECK(m_pVolumeGeometry->isInitialized(), "CudaProjector2D", "VolumeGeometry2D not initialized.");
+
+	return true;
+}
+
+//---------------------------------------------------------------------------------------
+// Initialize, use a Config object
+bool CCudaProjector2D::initialize(const Config& _cfg)
+{
+	assert(_cfg.self);
+	ConfigStackCheck<CProjector2D> CC("CudaProjector2D", this, _cfg);
+
+	// if already initialized, clear first
+	if (m_bIsInitialized) {
+		clear();
+	}
+
+	// initialization of parent class
+	if (!CProjector2D::initialize(_cfg)) {
+		return false;
+	}
+
+	// TODO: Check the projection geometry is a supported type
+
+	XMLNode* node = _cfg.self->getSingleNode("ProjectionKernel");
+	m_projectionKernel = ker2d_default;
+	if (node) {
+		std::string sProjKernel = node->getContent();
+
+		if (sProjKernel == "default") {
+
+		} else {
+			return false;
+		}
+	}
+	ASTRA_DELETE(node);
+	CC.markNodeParsed("ProjectionKernel");
+
+	m_bIsInitialized = _check();
+	return m_bIsInitialized;
+}
+
+/*
+bool CProjector2D::initialize(astra::CProjectionGeometry2D *, astra::CVolumeGeometry2D *)
+{
+	ASTRA_ASSERT(false);
+
+	return false;
+}
+*/
+
+std::string CCudaProjector2D::description() const
+{
+	return "";
+}
+
+} // end namespace