New class - separated from AliMUONGeometryModule;

contains only geometry transformations data;
provides Local2Global and Global2Local functions.

diff --git a/MUON/AliMUONGeometryModuleTransformer.cxx b/MUON/AliMUONGeometryModuleTransformer.cxx
new file mode 100644 (file)
index 0000000..e06897d
--- /dev/null
+++ b/MUON/AliMUONGeometryModuleTransformer.cxx
@@ -0,0 +1,198 @@
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ *                                                                        *
+ * Author: The ALICE Off-line Project.                                    *
+ * Contributors are mentioned in the code where appropriate.              *
+ *                                                                        *
+ * Permission to use, copy, modify and distribute this software and its   *
+ * documentation strictly for non-commercial purposes is hereby granted   *
+ * without fee, provided that the above copyright notice appears in all   *
+ * copies and that both the copyright notice and this permission notice   *
+ * appear in the supporting documentation. The authors make no claims     *
+ * about the suitability of this software for any purpose. It is          *
+ * provided "as is" without express or implied warranty.                  *
+ **************************************************************************/
+
+// $Id$
+//
+// Class AliMUONGeometryModuleTransformer
+// -------------------------------------
+// Class for definition of the detector module transformations
+//
+// Author: Ivana Hrivnacova, IPN Orsay
+
+#include <TVirtualMC.h>
+#include <TGeoMatrix.h>
+#include <TObjArray.h>
+#include <TArrayI.h>
+#include <Riostream.h>
+
+#include "AliLog.h"    
+
+#include "AliMUONGeometryModuleTransformer.h"
+#include "AliMUONGeometryDetElement.h" 
+#include "AliMUONGeometryStore.h"      
+
+ClassImp(AliMUONGeometryModuleTransformer)
+
+//______________________________________________________________________________
+AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer(Int_t moduleId)
+ : TObject(),
+   fModuleId(moduleId),
+   fTransformation(0),
+   fDetElements(0)
+{
+/// Standard constructor
+
+  // Chamber transformation
+  fTransformation = new TGeoCombiTrans("");
+
+  // Det elements transformation stores
+  fDetElements = new AliMUONGeometryStore(true);
+}
+
+
+//______________________________________________________________________________
+AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer()
+ : TObject(),
+   fModuleId(0),
+   fTransformation(0),
+   fDetElements(0)
+{
+/// Default constructor
+}
+
+
+//______________________________________________________________________________
+AliMUONGeometryModuleTransformer::AliMUONGeometryModuleTransformer(
+                                    const AliMUONGeometryModuleTransformer& rhs)
+  : TObject(rhs)
+{
+/// Protected copy constructor
+
+  AliFatal("Copy constructor is not implemented.");
+}
+
+//______________________________________________________________________________
+AliMUONGeometryModuleTransformer::~AliMUONGeometryModuleTransformer() 
+{
+/// Destructor
+
+  delete fTransformation;
+  delete fDetElements;
+}
+
+//______________________________________________________________________________
+AliMUONGeometryModuleTransformer& 
+AliMUONGeometryModuleTransformer::operator = (
+                                    const AliMUONGeometryModuleTransformer& rhs) 
+{
+/// Protected assignement operator
+
+  // check assignement to self
+  if (this == &rhs) return *this;
+
+  AliFatal("Assignment operator is not implemented.");
+    
+  return *this;  
+}
+
+//
+// public methods
+//
+
+//______________________________________________________________________________
+void  AliMUONGeometryModuleTransformer::Global2Local(Int_t detElemId,
+                  Float_t xg, Float_t yg, Float_t zg, 
+                  Float_t& xl, Float_t& yl, Float_t& zl) const
+{
+/// Transform point from the global reference frame (ALIC)
+/// to the local reference frame of the detection element specified
+/// by detElemId.
+
+  // Get detection element
+  AliMUONGeometryDetElement* detElement = GetDetElement(detElemId);
+  if (!detElement) return;
+   
+  // Transform point
+  detElement->Global2Local(xg, yg, zg, xl, yl, zl);
+}
+                                 
+//______________________________________________________________________________
+void  AliMUONGeometryModuleTransformer::Global2Local(Int_t detElemId,
+                  Double_t xg, Double_t yg, Double_t zg, 
+                  Double_t& xl, Double_t& yl, Double_t& zl) const
+{
+/// Transform point from the global reference frame (ALIC)
+/// to the local reference frame of the detection element specified
+/// by detElemId.
+
+   // Get detection element
+   AliMUONGeometryDetElement* detElement = GetDetElement(detElemId);
+   if (!detElement) return;
+   
+   // Transform point
+   detElement->Global2Local(xg, yg, zg, xl, yl, zl);
+}
+                                 
+//______________________________________________________________________________
+void  AliMUONGeometryModuleTransformer::Local2Global(Int_t detElemId,
+                 Float_t xl, Float_t yl, Float_t zl, 
+                 Float_t& xg, Float_t& yg, Float_t& zg) const
+{
+/// Transform point from the local reference frame of the detection element 
+/// specified by detElemId to the global reference frame (ALIC).
+
+  // Get detection element
+  AliMUONGeometryDetElement* detElement = GetDetElement(detElemId);
+  if (!detElement) return;
+   
+   // Transform point
+  detElement->Local2Global(xl, yl, zl, xg, yg, zg);  
+}
+
+//______________________________________________________________________________
+void  AliMUONGeometryModuleTransformer::Local2Global(Int_t detElemId,
+                 Double_t xl, Double_t yl, Double_t zl, 
+                 Double_t& xg, Double_t& yg, Double_t& zg) const
+{
+/// Transform point from the local reference frame of the detection element 
+/// specified by detElemId to the global reference frame (ALIC).
+
+   // Get detection element
+   AliMUONGeometryDetElement* detElement = GetDetElement(detElemId);
+   if (!detElement) return;
+   
+   // Transform point
+   detElement->Local2Global(xl, yl, zl, xg, yg, zg); 
+}
+
+//______________________________________________________________________________
+void  AliMUONGeometryModuleTransformer::SetTransformation(
+                                           const TGeoCombiTrans& transform)
+{
+/// Set the module position wrt world.
+
+  *fTransformation = transform;
+}  
+
+//______________________________________________________________________________
+AliMUONGeometryDetElement*
+AliMUONGeometryModuleTransformer::GetDetElement(Int_t detElemId) const
+{
+/// Return the detection element specified by detElemId.
+/// Give error if detection element is not defined.
+
+   // Get detection element
+   AliMUONGeometryDetElement* detElement
+     = (AliMUONGeometryDetElement*) fDetElements->Get(detElemId);
+
+   if (!detElement) {
+     AliErrorStream() 
+       << "Detection element " << detElemId
+       << " not found in module " << fModuleId << endl;
+     return 0;
+   }  
+
+   return detElement;
+}

diff --git a/MUON/AliMUONGeometryModuleTransformer.h b/MUON/AliMUONGeometryModuleTransformer.h
new file mode 100644 (file)
index 0000000..c31a847
--- /dev/null
+++ b/MUON/AliMUONGeometryModuleTransformer.h
@@ -0,0 +1,90 @@
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+/* $Id$ */
+// Revision of includes 07/05/2004
+
+/// \ingroup geometry
+/// \class AliMUONGeometryModuleTransformer
+/// \brief Geometry transformationer for detector module
+///
+/// Class for definition of the detector module parameters
+/// (the transformations of detection elements, mapping between
+///  sensitive volumes and detection elements).
+///
+/// Author: Ivana Hrivnacova, IPN Orsay
+
+#ifndef ALI_MUON_GEOMETRY_MODULE_TRANSFORMS_H
+#define ALI_MUON_GEOMETRY_MODULE_TRANSFORMS_H
+
+#include <TObject.h>
+#include <TString.h>
+
+class TGeoTranslation;
+class TGeoRotation;
+class TGeoCombiTrans;
+class TObjArray;
+class TArrayI;
+
+class AliMUONGeometryDetElement;
+class AliMUONGeometryStore;
+
+class AliMUONGeometryModuleTransformer : public TObject
+{
+  public:
+    AliMUONGeometryModuleTransformer(Int_t moduleId);
+    AliMUONGeometryModuleTransformer();
+    virtual ~AliMUONGeometryModuleTransformer();
+
+    // methods
+    void Global2Local(Int_t detElemId,
+                 Float_t xg, Float_t yg, Float_t zg, 
+                 Float_t& xl, Float_t& yl, Float_t& zl) const;
+    void Global2Local(Int_t detElemId,
+                 Double_t xg, Double_t yg, Double_t zg, 
+                 Double_t& xl, Double_t& yl, Double_t& zl) const;
+
+    void Local2Global(Int_t detElemId,
+                 Float_t xl, Float_t yl, Float_t zl, 
+                 Float_t& xg, Float_t& yg, Float_t& zg) const;
+    void Local2Global(Int_t detElemId,
+                 Double_t xl, Double_t yl, Double_t zl, 
+                 Double_t& xg, Double_t& yg, Double_t& zg) const;
+
+    // set methods
+    void  SetTransformation(const TGeoCombiTrans& transform);
+ 
+    // get methods
+    Int_t                  GetModuleId() const;
+    const TGeoCombiTrans*  GetTransformation() const;    
+
+    AliMUONGeometryStore*       GetDetElementStore() const;
+    AliMUONGeometryDetElement*  GetDetElement(Int_t detElemId) const;    
+
+  protected:
+    AliMUONGeometryModuleTransformer(const AliMUONGeometryModuleTransformer& rhs);
+    // operators  
+    AliMUONGeometryModuleTransformer& operator = (const AliMUONGeometryModuleTransformer& rhs);
+
+  private:
+    // data members
+    Int_t                 fModuleId;      // the module Id
+    TGeoCombiTrans*       fTransformation;// the module transformation wrt to top
+                                          // volume
+    AliMUONGeometryStore* fDetElements;   // detection elements
+ 
+  ClassDef(AliMUONGeometryModuleTransformer,2) // MUON geometry module class
+};
+
+// inline functions
+
+inline Int_t  AliMUONGeometryModuleTransformer::GetModuleId() const
+{ return fModuleId; }
+
+inline const TGeoCombiTrans* AliMUONGeometryModuleTransformer::GetTransformation() const 
+{ return fTransformation; }
+
+inline  AliMUONGeometryStore* AliMUONGeometryModuleTransformer::GetDetElementStore() const
+{ return fDetElements; }
+
+#endif //ALI_MUON_GEOMETRY_MODULE_PARAM_H