fkField(0x0),
fHitForRecPtr(0x0)
{
-// Constructor
+/// Constructor
// get field from outside
fkField = AliTracker::GetFieldMap();
- if (!fkField) AliWarning("No field available");
+ if (!fkField) AliFatal("No field available");
}
//_________________________________________________________________________
fkField(theMUONTrackParam.fkField),
fHitForRecPtr(theMUONTrackParam.fHitForRecPtr)
{
- // Copy constructor
-
+ /// Copy constructor
}
//_________________________________________________________________________
AliMUONTrackParam& AliMUONTrackParam::operator=(const AliMUONTrackParam& theMUONTrackParam)
{
- // Asignment operator
+ /// Asignment operator
if (this == &theMUONTrackParam)
return *this;
//_________________________________________________________________________
void AliMUONTrackParam::GetParamFrom(const AliESDMuonTrack& esdMuonTrack)
{
- // assigned value form ESD track.
+ /// assigned value form ESD track.
fInverseBendingMomentum = esdMuonTrack.GetInverseBendingMomentum();
fBendingSlope = TMath::Tan(esdMuonTrack.GetThetaY());
fNonBendingSlope = TMath::Tan(esdMuonTrack.GetThetaX());
//_________________________________________________________________________
void AliMUONTrackParam::SetParamFor(AliESDMuonTrack& esdMuonTrack)
{
- // assigned value form ESD track.
+ /// assigned value form ESD track.
esdMuonTrack.SetInverseBendingMomentum(fInverseBendingMomentum);
esdMuonTrack.SetThetaX(TMath::ATan(fNonBendingSlope));
esdMuonTrack.SetThetaY(TMath::ATan(fBendingSlope));
//__________________________________________________________________________
void AliMUONTrackParam::ExtrapToZ(Double_t Z)
{
- // Track parameter extrapolation to the plane at "Z".
- // On return, the track parameters resulting from the extrapolation
- // replace the current track parameters.
+ /// Track parameter extrapolation to the plane at "Z".
+ /// On return, the track parameters resulting from the extrapolation
+ /// replace the current track parameters.
if (this->fZ == Z) return; // nothing to be done if same Z
Double_t forwardBackward; // +1 if forward, -1 if backward
if (Z < this->fZ) forwardBackward = 1.0; // spectro. z<0
//__________________________________________________________________________
void AliMUONTrackParam::SetGeant3Parameters(Double_t *VGeant3, Double_t ForwardBackward)
{
- // Set vector of Geant3 parameters pointed to by "VGeant3"
- // from track parameters in current AliMUONTrackParam.
- // Since AliMUONTrackParam is only geometry, one uses "ForwardBackward"
- // to know whether the particle is going forward (+1) or backward (-1).
+ /// Set vector of Geant3 parameters pointed to by "VGeant3"
+ /// from track parameters in current AliMUONTrackParam.
+ /// Since AliMUONTrackParam is only geometry, one uses "ForwardBackward"
+ /// to know whether the particle is going forward (+1) or backward (-1).
VGeant3[0] = this->fNonBendingCoor; // X
VGeant3[1] = this->fBendingCoor; // Y
VGeant3[2] = this->fZ; // Z
//__________________________________________________________________________
void AliMUONTrackParam::GetFromGeant3Parameters(Double_t *VGeant3, Double_t Charge)
{
- // Get track parameters in current AliMUONTrackParam
- // from Geant3 parameters pointed to by "VGeant3",
- // assumed to be calculated for forward motion in Z.
- // "InverseBendingMomentum" is signed with "Charge".
+ /// Get track parameters in current AliMUONTrackParam
+ /// from Geant3 parameters pointed to by "VGeant3",
+ /// assumed to be calculated for forward motion in Z.
+ /// "InverseBendingMomentum" is signed with "Charge".
this->fNonBendingCoor = VGeant3[0]; // X
this->fBendingCoor = VGeant3[1]; // Y
this->fZ = VGeant3[2]; // Z
//__________________________________________________________________________
void AliMUONTrackParam::ExtrapToStation(Int_t Station, AliMUONTrackParam *TrackParam)
{
- // Track parameters extrapolated from current track parameters ("this")
- // to both chambers of the station(0..) "Station"
- // are returned in the array (dimension 2) of track parameters
- // pointed to by "TrackParam" (index 0 and 1 for first and second chambers).
+ /// Track parameters extrapolated from current track parameters ("this")
+ /// to both chambers of the station(0..) "Station"
+ /// are returned in the array (dimension 2) of track parameters
+ /// pointed to by "TrackParam" (index 0 and 1 for first and second chambers).
Double_t extZ[2], z1, z2;
Int_t i1 = -1, i2 = -1; // = -1 to avoid compilation warnings
// range of Station to be checked ????
//__________________________________________________________________________
void AliMUONTrackParam::ExtrapToVertex(Double_t xVtx, Double_t yVtx, Double_t zVtx)
{
- // Extrapolation to the vertex.
- // Returns the track parameters resulting from the extrapolation,
- // in the current TrackParam.
- // Changes parameters according to Branson correction through the absorber
+ /// Extrapolation to the vertex.
+ /// Returns the track parameters resulting from the extrapolation in the current TrackParam.
+ /// Changes parameters according to Branson correction through the absorber
Double_t zAbsorber = -503.0; // to be coherent with the Geant absorber geometry !!!!
// spectro. (z<0)
void AliMUONTrackParam::BransonCorrection(Double_t xVtx,Double_t yVtx,Double_t zVtx)
{
- // Branson correction of track parameters
+ /// Branson correction of track parameters
// the entry parameters have to be calculated at the end of the absorber
// simplified version: the z positions of Branson's planes are no longer calculated
// but are given as inputs. One can use the macros MUONTestAbso.C and DrawTestAbso.C
// Would it be possible to calculate all that from Geant configuration ????
// and to get the Branson parameters from a function in ABSO module ????
// with an eventual contribution from other detectors like START ????
- //change to take into account the vertex postition (real, reconstruct,....)
+ // change to take into account the vertex postition (real, reconstruct,....)
Double_t zBP, xBP, yBP;
Double_t pYZ, pX, pY, pZ, pTotal, xEndAbsorber, yEndAbsorber, radiusEndAbsorber2, pT, theta;
//__________________________________________________________________________
Double_t AliMUONTrackParam::TotalMomentumEnergyLoss(Double_t thetaLimit, Double_t pTotal, Double_t theta)
{
- // Returns the total momentum corrected from energy loss in the front absorber
+ /// Returns the total momentum corrected from energy loss in the front absorber
// One can use the macros MUONTestAbso.C and DrawTestAbso.C
// to test this correction.
// Momentum energy loss behaviour evaluated with the simulation of single muons (april 2002)
//__________________________________________________________________________
void AliMUONTrackParam::FieldCorrection(Double_t Z)
{
- //
- // Correction of the effect of the magnetic field in the absorber
+ /// Correction of the effect of the magnetic field in the absorber
// Assume a constant field along Z axis.
-
Float_t b[3],x[3];
Double_t bZ;
Double_t pYZ,pX,pY,pZ,pT;
//__________________________________________________________________________
Double_t AliMUONTrackParam::Px() const
{
- // return px from track paramaters
+ /// return px from track paramaters
Double_t pYZ, pZ, pX;
pYZ = 0;
if ( TMath::Abs(fInverseBendingMomentum) > 0 )
//__________________________________________________________________________
Double_t AliMUONTrackParam::Py() const
{
- // return px from track paramaters
+ /// return px from track paramaters
Double_t pYZ, pZ, pY;
pYZ = 0;
if ( TMath::Abs(fInverseBendingMomentum) > 0 )
//__________________________________________________________________________
Double_t AliMUONTrackParam::Pz() const
{
- // return px from track paramaters
+ /// return px from track paramaters
Double_t pYZ, pZ;
pYZ = 0;
if ( TMath::Abs(fInverseBendingMomentum) > 0 )
//__________________________________________________________________________
Double_t AliMUONTrackParam::P() const
{
- // return p from track paramaters
+ /// return p from track paramaters
Double_t pYZ, pZ, p;
pYZ = 0;
if ( TMath::Abs(fInverseBendingMomentum) > 0 )
void AliMUONTrackParam::ExtrapOneStepHelix(Double_t charge, Double_t step,
Double_t *vect, Double_t *vout) const
{
-// ******************************************************************
-// * *
-// * Performs the tracking of one step in a magnetic field *
-// * The trajectory is assumed to be a helix in a constant field *
-// * taken at the mid point of the step. *
-// * Parameters: *
-// * input *
-// * STEP =arc length of the step asked *
-// * VECT =input vector (position,direction cos and momentum) *
-// * CHARGE= electric charge of the particle *
-// * output *
-// * VOUT = same as VECT after completion of the step *
-// * *
-// * ==>Called by : <USER>, GUSWIM *
-// * Author m.hansroul ********* *
-// * modified s.egli, s.v.levonian *
-// * modified v.perevoztchikov
-// * *
-// ******************************************************************
-//
+/// ******************************************************************
+/// * *
+/// * Performs the tracking of one step in a magnetic field *
+/// * The trajectory is assumed to be a helix in a constant field *
+/// * taken at the mid point of the step. *
+/// * Parameters: *
+/// * input *
+/// * STEP =arc length of the step asked *
+/// * VECT =input vector (position,direction cos and momentum) *
+/// * CHARGE= electric charge of the particle *
+/// * output *
+/// * VOUT = same as VECT after completion of the step *
+/// * *
+/// * ==>Called by : <USER>, GUSWIM *
+/// * Author m.hansroul ********* *
+/// * modified s.egli, s.v.levonian *
+/// * modified v.perevoztchikov
+/// * *
+/// ******************************************************************
// modif: everything in double precision
void AliMUONTrackParam::ExtrapOneStepHelix3(Double_t field, Double_t step,
Double_t *vect, Double_t *vout) const
{
-//
-// ******************************************************************
-// * *
-// * Tracking routine in a constant field oriented *
-// * along axis 3 *
-// * Tracking is performed with a conventional *
-// * helix step method *
-// * *
-// * ==>Called by : <USER>, GUSWIM *
-// * Authors R.Brun, M.Hansroul ********* *
-// * Rewritten V.Perevoztchikov
-// * *
-// ******************************************************************
-//
+/// ******************************************************************
+/// * *
+/// * Tracking routine in a constant field oriented *
+/// * along axis 3 *
+/// * Tracking is performed with a conventional *
+/// * helix step method *
+/// * *
+/// * ==>Called by : <USER>, GUSWIM *
+/// * Authors R.Brun, M.Hansroul ********* *
+/// * Rewritten V.Perevoztchikov
+/// * *
+/// ******************************************************************
Double_t hxp[3];
Double_t h4, hp, rho, tet;
void AliMUONTrackParam::ExtrapOneStepRungekutta(Double_t charge, Double_t step,
Double_t* vect, Double_t* vout) const
{
-//
-// ******************************************************************
-// * *
-// * Runge-Kutta method for tracking a particle through a magnetic *
-// * field. Uses Nystroem algorithm (See Handbook Nat. Bur. of *
-// * Standards, procedure 25.5.20) *
-// * *
-// * Input parameters *
-// * CHARGE Particle charge *
-// * STEP Step size *
-// * VECT Initial co-ords,direction cosines,momentum *
-// * Output parameters *
-// * VOUT Output co-ords,direction cosines,momentum *
-// * User routine called *
-// * CALL GUFLD(X,F) *
-// * *
-// * ==>Called by : <USER>, GUSWIM *
-// * Authors R.Brun, M.Hansroul ********* *
-// * V.Perevoztchikov (CUT STEP implementation) *
-// * *
-// * *
-// ******************************************************************
-//
+/// ******************************************************************
+/// * *
+/// * Runge-Kutta method for tracking a particle through a magnetic *
+/// * field. Uses Nystroem algorithm (See Handbook Nat. Bur. of *
+/// * Standards, procedure 25.5.20) *
+/// * *
+/// * Input parameters *
+/// * CHARGE Particle charge *
+/// * STEP Step size *
+/// * VECT Initial co-ords,direction cosines,momentum *
+/// * Output parameters *
+/// * VOUT Output co-ords,direction cosines,momentum *
+/// * User routine called *
+/// * CALL GUFLD(X,F) *
+/// * *
+/// * ==>Called by : <USER>, GUSWIM *
+/// * Authors R.Brun, M.Hansroul ********* *
+/// * V.Perevoztchikov (CUT STEP implementation) *
+/// * *
+/// * *
+/// ******************************************************************
Double_t h2, h4, f[4];
Double_t xyzt[3], a, b, c, ph,ph2;
//___________________________________________________________
void AliMUONTrackParam::GetField(Double_t *Position, Double_t *Field) const
{
- // interface for arguments in double precision (Why ? ChF)
-
+ /// interface for arguments in double precision (Why ? ChF)
Float_t x[3], b[3];
x[0] = Position[0]; x[1] = Position[1]; x[2] = Position[2];
//_____________________________________________-
void AliMUONTrackParam::Print(Option_t* opt) const
{
-//
- // Printing TrackParam information
- // "full" option for printing all the information about the TrackParam
- //
+ /// Printing TrackParam information
+ /// "full" option for printing all the information about the TrackParam
TString sopt(opt);
sopt.ToUpper();
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff