diff options
Diffstat (limited to 'src/ConeVecProjectionGeometry3D.cpp')
| -rw-r--r-- | src/ConeVecProjectionGeometry3D.cpp | 58 |
1 files changed, 2 insertions, 56 deletions
diff --git a/src/ConeVecProjectionGeometry3D.cpp b/src/ConeVecProjectionGeometry3D.cpp index b6a55c5..eb605d8 100644 --- a/src/ConeVecProjectionGeometry3D.cpp +++ b/src/ConeVecProjectionGeometry3D.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/ @@ -258,60 +258,6 @@ void CConeVecProjectionGeometry3D::projectPoint(double fX, double fY, double fZ, } -void CConeVecProjectionGeometry3D::backprojectPointX(int iAngleIndex, double fU, double fV, - double fX, double &fY, double &fZ) const -{ - ASTRA_ASSERT(iAngleIndex >= 0); - ASTRA_ASSERT(iAngleIndex < m_iProjectionAngleCount); - - SConeProjection &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 - proj.fSrcX) / (px - proj.fSrcX); - - fY = proj.fSrcY + a * (py - proj.fSrcY); - fZ = proj.fSrcZ + a * (pz - proj.fSrcZ); -} - -void CConeVecProjectionGeometry3D::backprojectPointY(int iAngleIndex, double fU, double fV, - double fY, double &fX, double &fZ) const -{ - ASTRA_ASSERT(iAngleIndex >= 0); - ASTRA_ASSERT(iAngleIndex < m_iProjectionAngleCount); - - SConeProjection &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 - proj.fSrcY) / (py - proj.fSrcY); - - fX = proj.fSrcX + a * (px - proj.fSrcX); - fZ = proj.fSrcZ + a * (pz - proj.fSrcZ); -} - -void CConeVecProjectionGeometry3D::backprojectPointZ(int iAngleIndex, double fU, double fV, - double fZ, double &fX, double &fY) const -{ - ASTRA_ASSERT(iAngleIndex >= 0); - ASTRA_ASSERT(iAngleIndex < m_iProjectionAngleCount); - - SConeProjection &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 - proj.fSrcZ) / (pz - proj.fSrcZ); - - fX = proj.fSrcX + a * (px - proj.fSrcX); - fY = proj.fSrcY + a * (py - proj.fSrcY); -} - //---------------------------------------------------------------------------------------- bool CConeVecProjectionGeometry3D::_check() |