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-rw-r--r--include/astra/CompositeGeometryManager.h152
-rw-r--r--include/astra/ConeProjectionGeometry3D.h10
-rw-r--r--include/astra/ConeVecProjectionGeometry3D.h11
-rw-r--r--include/astra/GeometryUtil3D.h17
-rw-r--r--include/astra/ParallelProjectionGeometry3D.h11
-rw-r--r--include/astra/ParallelVecProjectionGeometry3D.h10
-rw-r--r--include/astra/ProjectionGeometry3D.h19
7 files changed, 220 insertions, 10 deletions
diff --git a/include/astra/CompositeGeometryManager.h b/include/astra/CompositeGeometryManager.h
new file mode 100644
index 0000000..6610151
--- /dev/null
+++ b/include/astra/CompositeGeometryManager.h
@@ -0,0 +1,152 @@
+/*
+-----------------------------------------------------------------------
+Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp
+ 2014-2015, CWI, Amsterdam
+
+Contact: astra@uantwerpen.be
+Website: http://sf.net/projects/astra-toolbox
+
+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/>.
+
+-----------------------------------------------------------------------
+*/
+
+#ifndef _INC_ASTRA_COMPOSITEGEOMETRYMANAGER
+#define _INC_ASTRA_COMPOSITEGEOMETRYMANAGER
+
+#include "Globals.h"
+
+#ifdef ASTRA_CUDA
+
+#include <list>
+#include <map>
+#include <vector>
+#include <boost/shared_ptr.hpp>
+
+
+namespace astra {
+
+class CCompositeVolume;
+class CCompositeProjections;
+class CFloat32Data3DMemory;
+class CFloat32ProjectionData3DMemory;
+class CFloat32VolumeData3DMemory;
+class CVolumeGeometry3D;
+class CProjectionGeometry3D;
+class CProjector3D;
+
+
+
+class _AstraExport CCompositeGeometryManager {
+public:
+ class CPart;
+ typedef std::list<boost::shared_ptr<CPart> > TPartList;
+ class CPart {
+ public:
+ CPart() { }
+ CPart(const CPart& other);
+ virtual ~CPart() { }
+
+ enum {
+ PART_VOL, PART_PROJ
+ } eType;
+
+ CFloat32Data3DMemory* pData;
+ unsigned int subX;
+ unsigned int subY;
+ unsigned int subZ;
+
+ bool uploadToGPU();
+ bool downloadFromGPU(/*mode?*/);
+ virtual TPartList split(size_t maxSize, int div) = 0;
+ virtual CPart* reduce(const CPart *other) = 0;
+ virtual void getDims(size_t &x, size_t &y, size_t &z) = 0;
+ size_t getSize();
+ };
+
+ class CVolumePart : public CPart {
+ public:
+ CVolumePart() { eType = PART_VOL; }
+ CVolumePart(const CVolumePart& other);
+ virtual ~CVolumePart();
+
+ CVolumeGeometry3D* pGeom;
+
+ virtual TPartList split(size_t maxSize, int div);
+ virtual CPart* reduce(const CPart *other);
+ virtual void getDims(size_t &x, size_t &y, size_t &z);
+
+ CVolumePart* clone() const;
+ };
+ class CProjectionPart : public CPart {
+ public:
+ CProjectionPart() { eType = PART_PROJ; }
+ CProjectionPart(const CProjectionPart& other);
+ virtual ~CProjectionPart();
+
+ CProjectionGeometry3D* pGeom;
+
+ virtual TPartList split(size_t maxSize, int div);
+ virtual CPart* reduce(const CPart *other);
+ virtual void getDims(size_t &x, size_t &y, size_t &z);
+
+ CProjectionPart* clone() const;
+ };
+
+ struct SJob {
+ public:
+ boost::shared_ptr<CPart> pInput;
+ boost::shared_ptr<CPart> pOutput;
+ CProjector3D *pProjector; // For a `global' geometry. It will not match
+ // the geometries of the input and output.
+
+
+ enum {
+ JOB_FP, JOB_BP, JOB_NOP
+ } eType;
+ enum {
+ MODE_ADD, MODE_SET
+ } eMode;
+
+ };
+
+ typedef std::list<SJob> TJobList;
+ // output part -> list of jobs for that output
+ typedef std::map<CPart*, TJobList > TJobSet;
+
+ bool doJobs(TJobList &jobs);
+
+ // Convenience functions for creating and running a single FP or BP job
+ bool doFP(CProjector3D *pProjector, CFloat32VolumeData3DMemory *pVolData,
+ CFloat32ProjectionData3DMemory *pProjData);
+ bool doBP(CProjector3D *pProjector, CFloat32VolumeData3DMemory *pVolData,
+ CFloat32ProjectionData3DMemory *pProjData);
+
+ bool doFP(CProjector3D *pProjector, const std::vector<CFloat32VolumeData3DMemory *>& volData, const std::vector<CFloat32ProjectionData3DMemory *>& projData);
+ bool doBP(CProjector3D *pProjector, const std::vector<CFloat32VolumeData3DMemory *>& volData, const std::vector<CFloat32ProjectionData3DMemory *>& projData);
+
+protected:
+
+ bool splitJobs(TJobSet &jobs, size_t maxSize, int div, TJobSet &split);
+
+};
+
+}
+
+#endif
+
+#endif
diff --git a/include/astra/ConeProjectionGeometry3D.h b/include/astra/ConeProjectionGeometry3D.h
index 00e72ce..dede6e1 100644
--- a/include/astra/ConeProjectionGeometry3D.h
+++ b/include/astra/ConeProjectionGeometry3D.h
@@ -186,9 +186,15 @@ 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;
};
diff --git a/include/astra/ConeVecProjectionGeometry3D.h b/include/astra/ConeVecProjectionGeometry3D.h
index 71e8010..f76f9dd 100644
--- a/include/astra/ConeVecProjectionGeometry3D.h
+++ b/include/astra/ConeVecProjectionGeometry3D.h
@@ -148,9 +148,16 @@ public:
const SConeProjection* getProjectionVectors() const { return m_pProjectionAngles; }
- 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;
+
};
} // namespace astra
diff --git a/include/astra/GeometryUtil3D.h b/include/astra/GeometryUtil3D.h
index 6ceac63..e4d73e4 100644
--- a/include/astra/GeometryUtil3D.h
+++ b/include/astra/GeometryUtil3D.h
@@ -119,6 +119,23 @@ void computeBP_UV_Coeffs(const SConeProjection& proj,
double &fDX, double &fDY, double &fDZ, double &fDC);
+SConeProjection* genConeProjections(unsigned int iProjAngles,
+ unsigned int iProjU,
+ unsigned int iProjV,
+ double fOriginSourceDistance,
+ double fOriginDetectorDistance,
+ double fDetUSize,
+ double fDetVSize,
+ const float *pfAngles);
+
+SPar3DProjection* genPar3DProjections(unsigned int iProjAngles,
+ unsigned int iProjU,
+ unsigned int iProjV,
+ double fDetUSize,
+ double fDetVSize,
+ const float *pfAngles);
+
+
}
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
diff --git a/include/astra/ParallelVecProjectionGeometry3D.h b/include/astra/ParallelVecProjectionGeometry3D.h
index 59238c8..ec91086 100644
--- a/include/astra/ParallelVecProjectionGeometry3D.h
+++ b/include/astra/ParallelVecProjectionGeometry3D.h
@@ -149,9 +149,15 @@ public:
const SPar3DProjection* getProjectionVectors() const { return m_pProjectionAngles; }
- 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;
};
} // namespace astra
diff --git a/include/astra/ProjectionGeometry3D.h b/include/astra/ProjectionGeometry3D.h
index 19ac3ab..0b60287 100644
--- a/include/astra/ProjectionGeometry3D.h
+++ b/include/astra/ProjectionGeometry3D.h
@@ -317,9 +317,24 @@ public:
* @param iAngleIndex the index of the angle to use
* @param fU,fV the projected point.
*/
- 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 = 0;
+ double &fU, double &fV) const = 0;
+
+ /* Backproject a point onto a plane parallel to a coordinate plane.
+ * The 2D point coordinates are the (unrounded) indices of the detector
+ * column and row. The output is in 3D coordinates in units.
+ * are in units. The output fU,fV are the (unrounded) indices of the
+ * detector column and row.
+ * This may fall outside of the actual detector.
+ */
+ virtual void backprojectPointX(int iAngleIndex, double fU, double fV,
+ double fX, double &fY, double &fZ) const = 0;
+ virtual void backprojectPointY(int iAngleIndex, double fU, double fV,
+ double fY, double &fX, double &fZ) const = 0;
+ virtual void backprojectPointZ(int iAngleIndex, double fU, double fV,
+ double fZ, double &fX, double &fY) const = 0;
+
/** Returns true if the type of geometry defined in this class is the one specified in _sType.
*
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 23:25:10 +0000