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/*
-----------------------------------------------------------------------
Copyright: 2010-2016, iMinds-Vision Lab, University of Antwerp
2014-2016, CWI, Amsterdam
Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/
This file is part of the ASTRA Toolbox.
The ASTRA Toolbox is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The ASTRA Toolbox is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------
*/
#include "astra/CudaProjector3D.h"
#include "astra/VolumeGeometry3D.h"
#include "astra/ProjectionGeometry3D.h"
#include "astra/ConeProjectionGeometry3D.h"
#include "astra/ConeVecProjectionGeometry3D.h"
namespace astra
{
// type of the projector, needed to register with CProjectorFactory
std::string CCudaProjector3D::type = "cuda3d";
//----------------------------------------------------------------------------------------
// Default constructor
CCudaProjector3D::CCudaProjector3D()
{
_clear();
}
//----------------------------------------------------------------------------------------
// Destructor
CCudaProjector3D::~CCudaProjector3D()
{
if (m_bIsInitialized) clear();
}
//----------------------------------------------------------------------------------------
// Clear for constructors
void CCudaProjector3D::_clear()
{
m_pProjectionGeometry = NULL;
m_pVolumeGeometry = NULL;
m_bIsInitialized = false;
m_projectionKernel = ker3d_default;
m_iVoxelSuperSampling = 1;
m_iDetectorSuperSampling = 1;
m_iGPUIndex = -1;
m_bDensityWeighting = false;
}
//----------------------------------------------------------------------------------------
// Clear
void CCudaProjector3D::clear()
{
ASTRA_DELETE(m_pProjectionGeometry);
ASTRA_DELETE(m_pVolumeGeometry);
m_bIsInitialized = false;
}
//----------------------------------------------------------------------------------------
// Check
bool CCudaProjector3D::_check()
{
// projection geometry
ASTRA_CONFIG_CHECK(m_pProjectionGeometry, "CudaProjector3D", "ProjectionGeometry3D not initialized.");
ASTRA_CONFIG_CHECK(m_pProjectionGeometry->isInitialized(), "CudaProjector3D", "ProjectionGeometry3D not initialized.");
// volume geometry
ASTRA_CONFIG_CHECK(m_pVolumeGeometry, "CudaProjector3D", "VolumeGeometry3D not initialized.");
ASTRA_CONFIG_CHECK(m_pVolumeGeometry->isInitialized(), "CudaProjector3D", "VolumeGeometry3D not initialized.");
return true;
}
//---------------------------------------------------------------------------------------
// Initialize, use a Config object
bool CCudaProjector3D::initialize(const Config& _cfg)
{
assert(_cfg.self);
ConfigStackCheck<CProjector3D> CC("CudaProjector3D", this, _cfg);
// if already initialized, clear first
if (m_bIsInitialized) {
clear();
}
// initialization of parent class
if (!CProjector3D::initialize(_cfg)) {
return false;
}
XMLNode node = _cfg.self.getSingleNode("ProjectionKernel");
m_projectionKernel = ker3d_default;
if (node) {
std::string sProjKernel = node.getContent();
if (sProjKernel == "default") {
} else if (sProjKernel == "sum_square_weights") {
m_projectionKernel = ker3d_sum_square_weights;
} else {
return false;
}
}
CC.markNodeParsed("ProjectionKernel");
m_iVoxelSuperSampling = (int)_cfg.self.getOptionNumerical("VoxelSuperSampling", 1);
CC.markOptionParsed("VoxelSuperSampling");
m_iDetectorSuperSampling = (int)_cfg.self.getOptionNumerical("DetectorSuperSampling", 1);
CC.markOptionParsed("DetectorSuperSampling");
if (dynamic_cast<CConeProjectionGeometry3D*>(m_pProjectionGeometry) ||
dynamic_cast<CConeVecProjectionGeometry3D*>(m_pProjectionGeometry))
{
m_bDensityWeighting = _cfg.self.getOptionBool("DensityWeighting", false);
CC.markOptionParsed("DensityWeighting");
}
m_iGPUIndex = (int)_cfg.self.getOptionNumerical("GPUindex", -1);
m_iGPUIndex = (int)_cfg.self.getOptionNumerical("GPUIndex", m_iGPUIndex);
CC.markOptionParsed("GPUIndex");
if (!_cfg.self.hasOption("GPUIndex"))
CC.markOptionParsed("GPUindex");
m_bIsInitialized = _check();
return m_bIsInitialized;
}
/*
bool CProjector3D::initialize(astra::CProjectionGeometry3D *, astra::CVolumeGeometry3D *)
{
ASTRA_ASSERT(false);
return false;
}
*/
std::string CCudaProjector3D::description() const
{
return "";
}
} // end namespace
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