#include <TVector.h>
#include <TString.h>
#include <TArrayI.h>
-class TArrayI;
-
+#include <TMath.h>
+//
#include "AliITSgeomMatrix.h"
+#include "AliLog.h"
-typedef enum {kSPD=0, kSDD=1, kSSD=2, kSSDp=3,kSDDp=4} AliITSDetector;
+typedef enum {kND=-1,kSPD=0, kSDD=1, kSSD=2, kSSDp=3,kSDDp=4, kUPG=5} AliITSDetector;
//_______________________________________________________________________
public:
AliITSgeom(); // Default constructor
- AliITSgeom(const char *filename); // Constructor
AliITSgeom(Int_t itype,Int_t nlayers,const Int_t *nlads,const Int_t *ndets,
Int_t nmods); // Constructor
AliITSgeom(const AliITSgeom &source); // Copy constructor
void CreateMatrix(Int_t mod,Int_t lay,Int_t lad,Int_t det,
AliITSDetector idet,const Double_t tran[3],
const Double_t rot[10]);
- void ReadNewFile(const char *filename); // Constructor for new format.
- void WriteNewFile(const char *filename)const; // Output for new format.
// Getters
Int_t GetTransformationType() const {return fTrans;}
//
// for Global GEANT coordinate system to the local "Tracking" coordinate
// system of the detector. These are the transformation used by the
// Tracking code.
- Bool_t IsGeantToTracking() const {return ((fTrans&&0xfffe)!= 0);}
+ Bool_t IsGeantToTracking() const {return ((fTrans&0xfffe)!= 0);}
// returns kTRUE if the transformation defined by this class is
// for Global GEANT coordinate system to the local GEANT coordinate system
// of the detector but may have been displaced by some typically small
// amount. These are modified transformation similar to that used by GEANT.
- Bool_t IsGeantToDisplaced() const {return ((fTrans&&0xfffd)!= 0);}
- // returns kTRUE if the shape defined by ishape has been defined in this
- // set of transformations. Typical values of ishape are kSPD, kSDD, kSSD,
- // kSSD2.
- Bool_t IsShapeDefined(Int_t ishape)const {
- return ((fShape.At(ishape))!=0);}
+ Bool_t IsGeantToDisplaced() const {return ((fTrans&0xfffd)!= 0);}
//
// This function returns a pointer to the particular AliITSgeomMatrix
// class for a specific module index.
AliITSgeomMatrix *GetGeomMatrix(Int_t index){if(index<fGm.GetSize()&&index>=0)
- return (AliITSgeomMatrix*)(fGm.At(index));else Error("GetGeomMatrix","index=%d<0||>=GetSize()=%d",index,fGm.GetSize());return 0;}
+ return (AliITSgeomMatrix*)(fGm.At(index));else
+ Error("GetGeomMatrix","index=%d<0||>=GetSize()=%d",index,fGm.GetSize());return 0;}
AliITSgeomMatrix *GetGeomMatrix(Int_t index)const{if(index<fGm.GetSize()&&index>=0)
- return (AliITSgeomMatrix*)(fGm.At(index));else Error("GetGeomMatrix","index=%d<0||>=GetSize()=%d",index,fGm.GetSize());return 0;}
+ return (AliITSgeomMatrix*)(fGm.At(index));else
+ Error("GetGeomMatrix","index=%d<0||>=GetSize()=%d",index,fGm.GetSize());return 0;}
// This function find and return the number of detector types only.
Int_t GetNDetTypes()const{Int_t max;return GetNDetTypes(max);};
// This function find and return the number of detector types and the
for(Int_t i=0;i<3;i++)for(Int_t j=0;j<3;j++) mat[3*i+j] = rot[i][j];}
// This function sets the rotation matrix in a Double
// precision pointer for a given module. mat[i][j] => mat[3*i+j].
- void SetRotMatrix(Int_t index,Double_t *mat){Double_t rot[3][3];
+ void SetRotMatrix(Int_t index,const Double_t *mat){Double_t rot[3][3];
for(Int_t i=0;i<3;i++)for(Int_t j=0;j<3;j++) rot[i][j]=mat[3*i+j];
GetGeomMatrix(index)->SetMatrix(rot);}
+ // Return the normal for a specific module
+ void GetGlobalNormal(Int_t index,Double_t n[3]){
+ GetGeomMatrix(index)->GetGlobalNormal(n[0],n[1],n[2]);}
//
- // Will define fShape if it isn't already defined.
- void DefineShapes(Int_t size=5){fShape.Expand(size);}
- // this function returns a pointer to the array of detector
- // descriptions, Segmentation.
- virtual TObjArray *GetShapeArray(){return &fShape;};
- // this function returns a pointer to the class describing a particular
- // detector type based on AliITSDetector value. This will return a pointer
- // to one of the classes AliITSgeomSPD, AliITSgeomSDD, or
- // AliITSgeomSSD, for example.
- virtual TObject *GetShape(AliITSDetector idet){
- return fShape.At((Int_t)idet);};
- virtual TObject *GetShape(AliITSDetector idet)const{
- return fShape.At((Int_t)idet);};
- // This function returns a pointer to the class describing the
- // detector for a particular module index. This will return a pointer
- // to one of the classes AliITSgeomSPD, AliITSgeomSDD,
- // or AliITSgeomSSD, for example.
- virtual TObject *GetShape(Int_t index){
- return fShape.At(GetGeomMatrix(index)->GetDetectorIndex());}
- virtual TObject *GetShape(Int_t index)const{
- return fShape.At(GetGeomMatrix(index)->GetDetectorIndex());}
- // This function returns a pointer to the class describing the
- // detector for a particular layer ladder and detector numbers. This
- // will return a pointer to one of the classes AliITSgeomSPD,
- // AliITSgeomSDD, or AliITSgeomSSD, for example.
- virtual TObject *GetShape(Int_t lay,Int_t lad,Int_t det)
- {return GetShape(GetModuleIndex(lay,lad,det));}
//
// Setters
// Sets the rotation angles and matrix for a give module index
t[0] = x;t[1] = y;t[2] = z;
SetTrans(GetModuleIndex(lay,lad,det),t);}
//
- // This function adds one more shape element to the TObjArray
- // fShape. It is primarily used in the constructor functions of the
- // AliITSgeom class. The pointer *shape can be the pointer to any
- // class that is derived from TObject (this is true for nearly every
- // ROOT class). This does not appear to be working properly at this time.
- void AddShape(TObject *shp){fShape.AddLast(shp);}
- // This function deletes an existing shape element, of type TObject,
- // and replaces it with the one specified. This is primarily used to
- // changes the parameters to the geom class for a particular
- // type of detector.
- void ReSetShape(Int_t dtype,TObject *shp){
- delete (fShape.At(dtype));fShape.AddAt(shp,dtype);}
- //
// transformations
// Transforms from the ALICE Global coordinate system
// to the detector local coordinate system for the detector
// Global coordinate system for the detector id[3].
// The global and local coordinate are given in two Double point
// arrays g[3], and l[3].
- void LtoGMomentumTracking(const Int_t *id,const Double_t *l,Double_t *g)const{
- LtoGMomentumTracking(GetModuleIndex(id),l,g);}
+ void LtoGMomentumTracking(const Int_t *id,const Double_t *l,Double_t *g)
+ const{LtoGMomentumTracking(GetModuleIndex(id),l,g);}
// Transforms of momentum types of quantities from the detector
// local coordinate system (used for ITS tracking) to the ALICE
// Global coordinate system for the detector layer ladder and detector
// to another detector local coordinate system for the detector
// id1[3] to the detector id2[3]. The local coordinates are given
// in two Double point arrays l1[3], and l2[3].
- void LtoL(const Int_t *id1,const Int_t *id2,Double_t *l1,Double_t *l2)const{
- LtoL(GetModuleIndex(id1[0],id1[1],id1[2]),
+ void LtoL(const Int_t *id1,const Int_t *id2,Double_t *l1,Double_t *l2)
+ const{LtoL(GetModuleIndex(id1[0],id1[1],id1[2]),
GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);}
//
// Transforms from one detector local coordinate system (used for
// system. The specific detector is determined by the module index
// number.
void GtoLErrorMatrix(Int_t index,const Double_t **g,Double_t **l)const{
- GetGeomMatrix(index)->GtoLPositionError((Double_t (*)[3])g,(Double_t (*)[3])l);}
+ GetGeomMatrix(index)->GtoLPositionError(
+ (Double_t (*)[3])g,(Double_t (*)[3])l);}
//
// Transforms a matrix, like an Uncertainty or Error matrix from
// the ALICE Global coordinate system to a detector local coordinate
// system. The specific detector is determined by the module index
// number.
void LtoGErrorMatrix(Int_t index,const Double_t **l,Double_t **g)const{
- GetGeomMatrix(index)->LtoGPositionError((Double_t (*)[3])l,(Double_t (*)[3])g);}
+ GetGeomMatrix(index)->LtoGPositionError(
+ (Double_t (*)[3])l,(Double_t (*)[3])g);}
+ //
+ // Transforms a matrix, like an Uncertainty or Error matrix from
+ // the detector local coordinate system to a ALICE Global coordinate
+ // system. The specific detector is determined by the module index
+ // number.
+ void LtoGErrorMatrix(Int_t index,const Double_t l[3][3],Double_t g[3][3])
+ const{
+ GetGeomMatrix(index)->LtoGPositionError(
+ (Double_t (*)[3])l,(Double_t (*)[3])g);}
+
//
// Transforms a matrix, like an Uncertainty or Error matrix from
// the detector local coordinate system (used by ITS tracking) to a
// by the module index number.
void LtoGErrorMatrixTracking(Int_t index,const Double_t **l,
Double_t **g)const{
- if(IsGeantToTracking()) GetGeomMatrix(index)->LtoGPositionError((
- Double_t (*)[3])g,(Double_t (*)[3])l);
- else GetGeomMatrix(index)->LtoGPositionErrorTracking((Double_t (*)[3])l,
- (Double_t (*)[3])g);}
+ if(IsGeantToTracking()) GetGeomMatrix(index)->LtoGPositionError(
+ (Double_t (*)[3])g,(Double_t (*)[3])l);
+ else GetGeomMatrix(index)->LtoGPositionErrorTracking(
+ (Double_t (*)[3])l,(Double_t (*)[3])g);}
+ //
+ // Transforms a matrix, like an Uncertainty or Error matrix from
+ // the detector local coordinate system (used by ITS tracking) to a
+ // ALICE Global coordinate system. The specific detector is determined
+ // by the module index number.
+ void LtoGErrorMatrixTracking(Int_t index,const Double_t l[3][3],
+ Double_t g[3][3])const{
+ if(IsGeantToTracking()) GetGeomMatrix(index)->LtoGPositionError(
+ (Double_t (*)[3])g,(Double_t (*)[3])l);
+ else GetGeomMatrix(index)->LtoGPositionErrorTracking(
+ (Double_t (*)[3])l,(Double_t (*)[3])g);}
//
// Transforms a matrix, like an Uncertainty or Error matrix from
// one detector local coordinate system to another detector local
// the detector/module specified by the the module index number.
Double_t Distance(Int_t index,const Double_t g[3])const{
return TMath::Sqrt(GetGeomMatrix(index)->Distance2(g));}
- // loops over modules and computes the average cylindrical
- // radius to a given layer and the range.
- Double_t GetAverageRadiusOfLayer(Int_t layer,Double_t &range)const;
// Geometry manipulation
// This function performs a Cartesian translation and rotation of
// the full ITS from its default position by an amount determined by
void RandomCylindericalChange(const Float_t *stran,const Float_t *srot);
// This function converts these transformations from Alice global and
// local to Tracking global and local.
- void GeantToTracking(const AliITSgeom &source); // This converts the geometry
+ //
+ // This converts the geometry
+ void GeantToTracking(const AliITSgeom &source);
// Other routines.
- // This routine prints, to a file, the difference between this class
- // and "other".
- void PrintComparison(FILE *fp,AliITSgeom *other)const;
// This routine prints, to a file, the contents of this class.
void PrintData(FILE *fp,Int_t lay,Int_t lad,Int_t det)const;
// This function prints out this class in a single stream. This steam
// can be read by ReadGeom.
- ofstream &PrintGeom(ofstream &out)const;
- // This function reads in that single steam printed out by PrintGeom.
- ifstream &ReadGeom(ifstream &in);
+ // (Coverity warnings) void PrintGeom(ostream *out)const;
//Conversion from det. local coordinates to local ("V2") coordinates
//used for tracking
- void DetLToTrackingV2(Int_t md, Float_t xin, Float_t zin, Float_t &yout, Float_t &zout);
+ void DetLToTrackingV2(Int_t md,Float_t xin,Float_t zin,
+ Float_t &yout, Float_t &zout) const ;
- void TrackingV2ToDetL(Int_t md,Float_t yin,Float_t zin,Float_t &xout,Float_t &zout);
+ void TrackingV2ToDetL(Int_t md,Float_t yin,Float_t zin,
+ Float_t &xout,Float_t &zout) const ;
private:
TString fVersion; // Transformation version.
TArrayI fNlad; // Array of the number of ladders/layer(layer)
TArrayI fNdet; // Array of the number of detector/ladder(layer)
TObjArray fGm; // Structure of translation. and rotation.
- TObjArray fShape; // Array of shapes and detector information.
- ClassDef(AliITSgeom,3) // ITS geometry class
-};
+ ClassDef(AliITSgeom,4) // ITS geometry class
+};
+// Input and output function for standard C++ input/output.
#endif
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