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-rw-r--r--include/astra/ParallelProjectionGeometry3D.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/astra/ParallelProjectionGeometry3D.h b/include/astra/ParallelProjectionGeometry3D.h
index 72401e5..d95c050 100644
--- a/include/astra/ParallelProjectionGeometry3D.h
+++ b/include/astra/ParallelProjectionGeometry3D.h
@@ -147,9 +147,16 @@ public:
*/
virtual CVector3D getProjectionDirection(int _iProjectionIndex, int _iDetectorIndex) const;
- virtual void projectPoint(float32 fX, float32 fY, float32 fZ,
+ virtual void projectPoint(double fX, double fY, double fZ,
int iAngleIndex,
- float32 &fU, float32 &fV) const;
+ double &fU, double &fV) const;
+ virtual void backprojectPointX(int iAngleIndex, double fU, double fV,
+ double fX, double &fY, double &fZ) const;
+ virtual void backprojectPointY(int iAngleIndex, double fU, double fV,
+ double fY, double &fX, double &fZ) const;
+ virtual void backprojectPointZ(int iAngleIndex, double fU, double fV,
+ double fZ, double &fX, double &fY) const;
+
/**
* Creates (= allocates) a 2D projection geometry used when projecting one slice using a 2D projector