diff options
Diffstat (limited to 'src/ParallelVecProjectionGeometry3D.cpp')
| -rw-r--r-- | src/ParallelVecProjectionGeometry3D.cpp | 59 |
1 files changed, 2 insertions, 57 deletions
diff --git a/src/ParallelVecProjectionGeometry3D.cpp b/src/ParallelVecProjectionGeometry3D.cpp index 5dc3df8..78e6d9d 100644 --- a/src/ParallelVecProjectionGeometry3D.cpp +++ b/src/ParallelVecProjectionGeometry3D.cpp @@ -1,7 +1,7 @@ /* ----------------------------------------------------------------------- -Copyright: 2010-2018, imec Vision Lab, University of Antwerp - 2014-2018, CWI, Amsterdam +Copyright: 2010-2021, imec Vision Lab, University of Antwerp + 2014-2021, CWI, Amsterdam Contact: astra@astra-toolbox.com Website: http://www.astra-toolbox.com/ @@ -256,61 +256,6 @@ void CParallelVecProjectionGeometry3D::projectPoint(double fX, double fY, double } -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() |