* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.1 2000/07/11 18:24:59 fca
-Coding convention corrections + few minor bug fixes
+/* $Id$ */
-*/
+#include "TSystem.h"
+#include "TVector.h"
#include "AliMagFCM.h"
-#include "TSystem.h"
ClassImp(AliMagFCM)
-//________________________________________
+//_______________________________________________________________________
+AliMagFCM::AliMagFCM():
+ fXbeg(0),
+ fYbeg(0),
+ fZbeg(0),
+ fXdel(0),
+ fYdel(0),
+ fZdel(0),
+ fSolenoid(0),
+ fXdeli(0),
+ fYdeli(0),
+ fZdeli(0),
+ fXn(0),
+ fYn(0),
+ fZn(0),
+ fB(0)
+{
+ //
+ // Standard constructor
+ //
+ fType = kConMesh;
+ fMap = 2;
+ SetSolenoidField();
+}
+
+//_______________________________________________________________________
AliMagFCM::AliMagFCM(const char *name, const char *title, const Int_t integ,
- const Int_t map, const Float_t factor, const Float_t fmax)
- : AliMagF(name,title,integ,map,factor,fmax)
+ const Float_t factor, const Float_t fmax):
+ AliMagF(name,title,integ,factor,fmax),
+ fXbeg(0),
+ fYbeg(0),
+ fZbeg(0),
+ fXdel(0),
+ fYdel(0),
+ fZdel(0),
+ fSolenoid(0),
+ fXdeli(0),
+ fYdeli(0),
+ fZdeli(0),
+ fXn(0),
+ fYn(0),
+ fZn(0),
+ fB(0)
{
//
// Standard constructor
//
fType = kConMesh;
- printf("Constant Mesh Field %s created: map= %d, factor= %f, file= %s\n",
- fName.Data(),map,factor,fTitle.Data());
+ fMap = 2;
+ SetSolenoidField();
+
+ if(fDebug>-1) Info("ctor",
+ "%s: Constant Mesh Field %s created: map= %d, factor= %f, file= %s\n",
+ ClassName(),fName.Data(), fMap, factor,fTitle.Data());
}
-//________________________________________
-AliMagFCM::AliMagFCM(const AliMagFCM &magf)
+//_______________________________________________________________________
+AliMagFCM::AliMagFCM(const AliMagFCM &magf):
+ AliMagF(magf),
+ fXbeg(0),
+ fYbeg(0),
+ fZbeg(0),
+ fXdel(0),
+ fYdel(0),
+ fZdel(0),
+ fSolenoid(0),
+ fXdeli(0),
+ fYdeli(0),
+ fZdeli(0),
+ fXn(0),
+ fYn(0),
+ fZn(0),
+ fB(0)
{
//
// Copy constructor
magf.Copy(*this);
}
-//________________________________________
+//_______________________________________________________________________
void AliMagFCM::Field(Float_t *x, Float_t *b)
{
//
b[0]=b[1]=b[2]=0;
if(-700<x[2] && x[2]<fZbeg && x[0]*x[0]+(x[1]+30)*(x[1]+30) < 560*560) {
- b[2]=2;
+ b[2]= fSolenoid;
} else {
Bool_t infield=(fZbeg<=x[2] && x[2]<fZbeg+fZdel*(fZn-1)
&& ( fXbeg <= TMath::Abs(x[0]) && TMath::Abs(x[0]) < fXbeg+fXdel*(fXn-1) )
printf("Invalid field map for constant mesh %d\n",fMap);
}
} else {
- //This is the ZDC part
- Float_t rad2=x[0]*x[0]+x[1]*x[1];
- if(rad2<kD2RA2) {
- if(x[2]>kD2BEG) {
-
- // Separator Dipole D2
- if(x[2]<kD2END) b[1]=kFDIP;
- } else if(x[2]>kD1BEG) {
-
- // Separator Dipole D1
- if(x[2]<kD1END) b[1]=-kFDIP;
- }
- if(rad2<kCORRA2) {
-
- // First quadrupole of inner triplet de-focussing in x-direction
- // Inner triplet
- if(x[2]>kZ4BEG) {
- if(x[2]<kZ4END) {
-
- // 2430 <-> 3060
- b[0]=-kG1*x[1];
- b[1]=-kG1*x[0];
- }
- } else if(x[2]>kZ3BEG) {
- if(x[2]<kZ3END) {
-
- // 1530 <-> 2080
- b[0]=kG1*x[1];
- b[1]=kG1*x[0];
- }
- } else if(x[2]>kZ2BEG) {
- if(x[2]<kZ2END) {
-
- // 890 <-> 1430
- b[0]=kG1*x[1];
- b[1]=kG1*x[0];
- }
- } else if(x[2]>kZ1BEG) {
- if(x[2]<kZ1END) {
-
- // 0 <-> 630
- b[0]=-kG1*x[1];
- b[1]=-kG1*x[0];
- }
- } else if(x[2]>kCORBEG) {
- if(x[2]<kCOREND) {
- // Corrector dipole (because of dimuon arm)
- b[0]=kFCORN;
- }
- }
- }
+//This is the ZDC part
+ Float_t rad2=x[0]*x[0]+x[1]*x[1];
+ if(x[2]>kCORBEG2 && x[2]<kCOREND2){
+ if(rad2<kCOR2RA2){
+ b[0] = kFCORN2;
+ }
+ }
+ else if(x[2]>kZ1BEG && x[2]<kZ1END){
+ if(rad2<kZ1RA2){
+ b[0] = -kG1*x[1];
+ b[1] = -kG1*x[0];
}
}
+ else if(x[2]>kZ2BEG && x[2]<kZ2END){
+ if(rad2<kZ2RA2){
+ b[0] = kG1*x[1];
+ b[1] = kG1*x[0];
+ }
+ }
+ else if(x[2]>kZ3BEG && x[2]<kZ3END){
+ if(rad2<kZ3RA2){
+ b[0] = kG1*x[1];
+ b[1] = kG1*x[0];
+ }
+ }
+ else if(x[2]>kZ4BEG && x[2]<kZ4END){
+ if(rad2<kZ4RA2){
+ b[0] = -kG1*x[1];
+ b[1] = -kG1*x[0];
+ }
+ }
+ else if(x[2]>kD1BEG && x[2]<kD1END){
+ if(rad2<kD1RA2){
+ b[1] = -kFDIP;
+ }
+ }
+ else if(x[2]>kD2BEG && x[2]<kD2END){
+ if(((x[0]-kXCEN1D2)*(x[0]-kXCEN1D2)+(x[1]-kYCEN1D2)*(x[1]-kYCEN1D2))<kD2RA2
+ || ((x[0]-kXCEN2D2)*(x[0]-kXCEN2D2)+(x[1]-kYCEN2D2)*(x[1]-kYCEN2D2))<kD2RA2){
+ b[1] = kFDIP;
+ }
+ }
+
+ }
}
if(fFactor!=1) {
b[0]*=fFactor;
}
}
-//________________________________________
+//_______________________________________________________________________
void AliMagFCM::ReadField()
{
//
Int_t ix, iy, iz, ipx, ipy, ipz;
Float_t bx, by, bz;
char *fname;
- printf("Reading Magnetic Field %s from file %s\n",fName.Data(),fTitle.Data());
+ if(fDebug) printf("%s: Reading Magnetic Field %s from file %s\n",ClassName(),fName.Data(),fTitle.Data());
fname = gSystem->ExpandPathName(fTitle.Data());
magfile=fopen(fname,"r");
delete [] fname;
if (magfile) {
fscanf(magfile,"%d %d %d %f %f %f %f %f %f",
&fXn, &fYn, &fZn, &fXdel, &fYdel, &fZdel, &fXbeg, &fYbeg, &fZbeg);
- printf("fXn %d, fYn %d, fZn %d, fXdel %f, fYdel %f, fZdel %f, fXbeg %f, fYbeg %f, fZbeg %f\n",
- fXn, fYn, fZn, fXdel, fYdel, fZdel, fXbeg, fYbeg, fZbeg);
+ if(fDebug>1) printf("%s: fXn %d, fYn %d, fZn %d, fXdel %f, fYdel %f, fZdel %f, fXbeg %f, fYbeg %f, fZbeg %f\n",
+ ClassName(),fXn, fYn, fZn, fXdel, fYdel, fZdel, fXbeg, fYbeg, fZbeg);
fXdeli=1./fXdel;
fYdeli=1./fYdel;
fZdeli=1./fZdel;
}
}
} else {
- printf("File %s not found !\n",fTitle.Data());
+ printf("%s: File %s not found !\n",ClassName(),fTitle.Data());
exit(1);
}
}
-//________________________________________
+//_______________________________________________________________________
void AliMagFCM::Copy(AliMagFCM & /* magf */) const
{
//
Fatal("Copy","Not implemented!\n");
}
-//________________________________________
-AliMagFCM & AliMagFCM::operator =(const AliMagFCM &magf)
-{
- magf.Copy(*this);
- return *this;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff