diff options
Diffstat (limited to 'src/ParallelVecProjectionGeometry3D.cpp')
| -rw-r--r-- | src/ParallelVecProjectionGeometry3D.cpp | 91 |
1 files changed, 73 insertions, 18 deletions
diff --git a/src/ParallelVecProjectionGeometry3D.cpp b/src/ParallelVecProjectionGeometry3D.cpp index ffad6d0..3172818 100644 --- a/src/ParallelVecProjectionGeometry3D.cpp +++ b/src/ParallelVecProjectionGeometry3D.cpp @@ -27,9 +27,9 @@ $Id$ */ #include "astra/ParallelVecProjectionGeometry3D.h" +#include "astra/Utilities.h" #include <cstring> -#include <boost/lexical_cast.hpp> using namespace std; @@ -82,13 +82,13 @@ bool CParallelVecProjectionGeometry3D::initialize(const Config& _cfg) // Required: DetectorRowCount node = _cfg.self.getSingleNode("DetectorRowCount"); ASTRA_CONFIG_CHECK(node, "ParallelVecProjectionGeometry3D", "No DetectorRowCount tag specified."); - m_iDetectorRowCount = boost::lexical_cast<int>(node.getContent()); + m_iDetectorRowCount = node.getContentInt(); CC.markNodeParsed("DetectorRowCount"); // Required: DetectorCount node = _cfg.self.getSingleNode("DetectorColCount"); ASTRA_CONFIG_CHECK(node, "", "No DetectorColCount tag specified."); - m_iDetectorColCount = boost::lexical_cast<int>(node.getContent()); + m_iDetectorColCount = node.getContentInt(); m_iDetectorTotCount = m_iDetectorRowCount * m_iDetectorColCount; CC.markNodeParsed("DetectorColCount"); @@ -212,18 +212,18 @@ Config* CParallelVecProjectionGeometry3D::getConfiguration() const std::string vectors = ""; for (int i = 0; i < m_iProjectionAngleCount; ++i) { SPar3DProjection& p = m_pProjectionAngles[i]; - vectors += boost::lexical_cast<string>(p.fRayX) + ","; - vectors += boost::lexical_cast<string>(p.fRayY) + ","; - vectors += boost::lexical_cast<string>(p.fRayZ) + ","; - vectors += boost::lexical_cast<string>(p.fDetSX + 0.5f*m_iDetectorRowCount*p.fDetVX + 0.5f*m_iDetectorColCount*p.fDetUX) + ","; - vectors += boost::lexical_cast<string>(p.fDetSY + 0.5f*m_iDetectorRowCount*p.fDetVY + 0.5f*m_iDetectorColCount*p.fDetUY) + ","; - vectors += boost::lexical_cast<string>(p.fDetSZ + 0.5f*m_iDetectorRowCount*p.fDetVZ + 0.5f*m_iDetectorColCount*p.fDetUZ) + ","; - vectors += boost::lexical_cast<string>(p.fDetUX) + ","; - vectors += boost::lexical_cast<string>(p.fDetUY) + ","; - vectors += boost::lexical_cast<string>(p.fDetUZ) + ","; - vectors += boost::lexical_cast<string>(p.fDetVX) + ","; - vectors += boost::lexical_cast<string>(p.fDetVY) + ","; - vectors += boost::lexical_cast<string>(p.fDetVZ); + vectors += StringUtil::toString(p.fRayX) + ","; + vectors += StringUtil::toString(p.fRayY) + ","; + vectors += StringUtil::toString(p.fRayZ) + ","; + vectors += StringUtil::toString(p.fDetSX + 0.5f*m_iDetectorRowCount*p.fDetVX + 0.5f*m_iDetectorColCount*p.fDetUX) + ","; + vectors += StringUtil::toString(p.fDetSY + 0.5f*m_iDetectorRowCount*p.fDetVY + 0.5f*m_iDetectorColCount*p.fDetUY) + ","; + vectors += StringUtil::toString(p.fDetSZ + 0.5f*m_iDetectorRowCount*p.fDetVZ + 0.5f*m_iDetectorColCount*p.fDetUZ) + ","; + vectors += StringUtil::toString(p.fDetUX) + ","; + vectors += StringUtil::toString(p.fDetUY) + ","; + vectors += StringUtil::toString(p.fDetUZ) + ","; + vectors += StringUtil::toString(p.fDetVX) + ","; + vectors += StringUtil::toString(p.fDetVY) + ","; + vectors += StringUtil::toString(p.fDetVZ); if (i < m_iProjectionAngleCount-1) vectors += ';'; } cfg->self.addChildNode("Vectors", vectors); @@ -239,9 +239,9 @@ CVector3D CParallelVecProjectionGeometry3D::getProjectionDirection(int _iProject return CVector3D(p.fRayX, p.fRayY, p.fRayZ); } -void CParallelVecProjectionGeometry3D::projectPoint(float32 fX, float32 fY, float32 fZ, - int iAngleIndex, - float32 &fU, float32 &fV) const +void CParallelVecProjectionGeometry3D::projectPoint(double fX, double fY, double fZ, + int iAngleIndex, + double &fU, double &fV) const { ASTRA_ASSERT(iAngleIndex >= 0); ASTRA_ASSERT(iAngleIndex < m_iProjectionAngleCount); @@ -258,6 +258,61 @@ void CParallelVecProjectionGeometry3D::projectPoint(float32 fX, float32 fY, floa } +void CParallelVecProjectionGeometry3D::backprojectPointX(int iAngleIndex, double fU, double fV, + double fX, double &fY, double &fZ) const +{ + ASTRA_ASSERT(iAngleIndex >= 0); + ASTRA_ASSERT(iAngleIndex < m_iProjectionAngleCount); + + SPar3DProjection &proj = m_pProjectionAngles[iAngleIndex]; + + double px = proj.fDetSX + fU * proj.fDetUX + fV * proj.fDetVX; + double py = proj.fDetSY + fU * proj.fDetUY + fV * proj.fDetVY; + double pz = proj.fDetSZ + fU * proj.fDetUZ + fV * proj.fDetVZ; + + double a = (fX - px) / proj.fRayX; + + fY = py + a * proj.fRayY; + fZ = pz + a * proj.fRayZ; +} + +void CParallelVecProjectionGeometry3D::backprojectPointY(int iAngleIndex, double fU, double fV, + double fY, double &fX, double &fZ) const +{ + ASTRA_ASSERT(iAngleIndex >= 0); + ASTRA_ASSERT(iAngleIndex < m_iProjectionAngleCount); + + SPar3DProjection &proj = m_pProjectionAngles[iAngleIndex]; + + double px = proj.fDetSX + fU * proj.fDetUX + fV * proj.fDetVX; + double py = proj.fDetSY + fU * proj.fDetUY + fV * proj.fDetVY; + double pz = proj.fDetSZ + fU * proj.fDetUZ + fV * proj.fDetVZ; + + double a = (fY - py) / proj.fRayY; + + fX = px + a * proj.fRayX; + fZ = pz + a * proj.fRayZ; +} + +void CParallelVecProjectionGeometry3D::backprojectPointZ(int iAngleIndex, double fU, double fV, + double fZ, double &fX, double &fY) const +{ + ASTRA_ASSERT(iAngleIndex >= 0); + ASTRA_ASSERT(iAngleIndex < m_iProjectionAngleCount); + + SPar3DProjection &proj = m_pProjectionAngles[iAngleIndex]; + + double px = proj.fDetSX + fU * proj.fDetUX + fV * proj.fDetVX; + double py = proj.fDetSY + fU * proj.fDetUY + fV * proj.fDetVY; + double pz = proj.fDetSZ + fU * proj.fDetUZ + fV * proj.fDetVZ; + + double a = (fZ - pz) / proj.fRayZ; + + fX = px + a * proj.fRayX; + fY = py + a * proj.fRayY; +} + + //---------------------------------------------------------------------------------------- bool CParallelVecProjectionGeometry3D::_check() |