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 |
| Commit in lcdd on MAIN | |||
| include/CalorimeterHitProcessor.hh | +25 | added 1.1 | |
| /CellReadout.hh | +64 | added 1.1 | |
| src/CalorimeterHitProcessor.cc | +72 | added 1.1 | |
| +161 | |||
some ideas for new segmentation classes; will eventually be moved from LCDD
diff -N CalorimeterHitProcessor.hh --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ CalorimeterHitProcessor.hh 18 Jun 2013 19:56:18 -0000 1.1 @@ -0,0 +1,25 @@
+#ifndef lcdd_CalorimeterHitProcessor_hh
+#define lcdd_CalorimeterHitProcessor_hh 1
+
+// Geant4
+#include "G4Step.hh"
+
+// LCDD
+#include "CellReadout.hh"
+
+class CalorimeterHitProcessor
+{
+
+public:
+ CalorimeterHitProcessor(CellReadout*);
+ virtual ~CalorimeterHitProcessor();
+
+public:
+ bool processHits(G4Step*);
+
+private:
+ CellReadout* m_readout;
+};
+
+
+#endif
diff -N CellReadout.hh --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ CellReadout.hh 18 Jun 2013 19:56:18 -0000 1.1 @@ -0,0 +1,64 @@
+#ifndef lcdd_CellReadout_hh
+#define lcdd_CellReadout_hh 1
+
+#include <vector>
+#include <map>
+#include <string>
+
+/**
+ * Pure virtual base class for cell readouts to implement.
+ */
+class CellReadout
+{
+
+public:
+
+ /** A 2D position, which will usually be XY in the local coordinate system. */
+ typedef std::pair<double, double> Position2D;
+
+ /** A cell ID as a list of int values. */
+ typedef std::vector<int> CellId;
+
+ /** A list of a cell's neighbor IDs. */
+ typedef std::vector<CellId> Neighbors;
+
+ /** A list of the field names for this readout. */
+ typedef std::vector<std::string> FieldNames;
+
+public:
+
+ /**
+ * Class constructor.
+ */
+ CellReadout();
+
+ /**
+ * Class destructor.
+ */
+ virtual ~CellReadout();
+
+ /**
+ * Compute cell ID from local position.
+ */
+ virtual CellId cellId(Position2D) = 0;
+
+ /**
+ * Compute local position of a cell ID.
+ */
+ virtual Position2D position(CellId) = 0;
+
+ /**
+ * Create a list of neighbor cells from a cell ID.
+ */
+ virtual Neighbors neighbors(CellId) = 0;
+
+ /**
+ * Get the list of field names.
+ */
+ const FieldNames& fieldNames();
+
+protected:
+ FieldNames m_fieldNames;
+};
+
+#endif
diff -N CalorimeterHitProcessor.cc --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ CalorimeterHitProcessor.cc 18 Jun 2013 19:56:18 -0000 1.1 @@ -0,0 +1,72 @@
+#include "CalorimeterHitProcessor.hh"
+
+// STL
+#include <iostream>
+
+// Geant4
+#include "G4NavigationHistory.hh"
+
+CalorimeterHitProcessor::CalorimeterHitProcessor(CellReadout* readout)
+ : m_readout(readout)
+{
+}
+
+CalorimeterHitProcessor::~CalorimeterHitProcessor()
+{
+}
+
+bool CalorimeterHitProcessor::processHits(G4Step* step)
+{
+ // Compute step mid-point.
+ G4ThreeVector midpoint = (0.5 * (step->GetPreStepPoint()->GetPosition() + step->GetPostStepPoint()->GetPosition()));
+
+ // DEBUG
+ //std::cout << "midpoint(x,y,z) = " << midpoint.x() << ", " << midpoint.y() << ", " << midpoint.z() << std::endl;
+
+ // Get the touchable handle from the step.
+ G4TouchableHandle touchable = step->GetPreStepPoint()->GetTouchableHandle();
+
+ // Compute local position using global position and touchable.
+ G4ThreeVector localPosition = touchable->GetHistory()->GetTopTransform().TransformPoint(midpoint);
+
+ // DEBUG
+ //std::cout << "localPosition(x,y,z) = " << localPosition.x() << ", " << localPosition.y() << ", " << localPosition.z() << std::endl;
+
+ // Get the cell ID from the position.
+ CellReadout::Position2D readoutPosition;
+ readoutPosition.first = localPosition.x();
+ readoutPosition.second = localPosition.y();
+ CellReadout::CellId cellId = m_readout->cellId(readoutPosition);
+
+ // DEBUG: print neighbors
+ //CellReadout::Neighbors neighbors = m_readout->neighbors(cellId);
+ //std::cout << "# neighbors = " << neighbors.size() << std::endl;
+ //for (CellReadout::Neighbors::iterator it = neighbors.begin(); it != neighbors.end(); ++it) {
+ // CellReadout::CellId neighborId = *it;
+ // std::cout << "neighbor(x,y) = " << neighborId[0] << ", " << neighborId[1] << std::endl;
+ //}
+
+ // DEBUG: print cell ID
+ //std::cout << "cellId(x,y) = " << cellId[0] << ", " << cellId[1] << std::endl;
+
+ // Get the local cell position from the cell ID.
+ CellReadout::Position2D cellPosition = m_readout->position(cellId);
+
+ // DEBUG: print local cell position
+ //std::cout << "cellPosition = " << cellPosition.first << ", " << cellPosition.second << std::endl;
+
+ // Transform local cell position to global.
+ G4ThreeVector cellVec(cellPosition.first, cellPosition.second, 0);
+
+ // Compute global position using local point and touchable.
+ G4ThreeVector globalPos = touchable->GetHistory()->GetTopTransform().Inverse().TransformPoint(cellVec);
+
+ // DEBUG: print global position
+ //std::cout << "globalPosition(x,y,z) = " << globalPos.x() << ", " << globalPos.x() << ", " << globalPos.z() << std::endl;
+ //std::cout << std::endl;
+
+ // TODO: make and return or store hit data from id, position, energy, & time
+ //G4CalorimeterHit* hit = new G4CalorimeterHit();
+
+ return true;
+}
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