* provided "as is" without express or implied warranty. *
**************************************************************************/
-
-#include <TClass.h>
-#include <TFile.h>
-#include <TSystem.h>
-
#include "AliMagWrapCheb.h"
#include "AliLog.h"
+#include <TSystem.h>
+#include <TArrayF.h>
+#include <TArrayI.h>
ClassImp(AliMagWrapCheb)
-
-//_______________________________________________________________________
-AliMagWrapCheb::AliMagWrapCheb():
- AliMagF(),
- fMeasuredMap(0)
+//__________________________________________________________________________________________
+AliMagWrapCheb::AliMagWrapCheb() :
+fNParamsSol(0),fNZSegSol(0),fNPSegSol(0),fNRSegSol(0),
+ fSegZSol(0),fSegPSol(0),fSegRSol(0),
+ fBegSegPSol(0),fNSegPSol(0),fBegSegRSol(0),fNSegRSol(0),fSegIDSol(0),fMinZSol(1.e6),fMaxZSol(-1.e6),fParamsSol(0),fMaxRSol(0),
+//
+ fNParamsTPC(0),fNZSegTPC(0),fNPSegTPC(0),fNRSegTPC(0),
+ fSegZTPC(0),fSegPTPC(0),fSegRTPC(0),
+ fBegSegPTPC(0),fNSegPTPC(0),fBegSegRTPC(0),fNSegRTPC(0),fSegIDTPC(0),fMinZTPC(1.e6),fMaxZTPC(-1.e6),fParamsTPC(0),fMaxRTPC(0),
+//
+ fNParamsTPCRat(0),fNZSegTPCRat(0),fNPSegTPCRat(0),fNRSegTPCRat(0),
+ fSegZTPCRat(0),fSegPTPCRat(0),fSegRTPCRat(0),
+ fBegSegPTPCRat(0),fNSegPTPCRat(0),fBegSegRTPCRat(0),fNSegRTPCRat(0),fSegIDTPCRat(0),fMinZTPCRat(1.e6),fMaxZTPCRat(-1.e6),fParamsTPCRat(0),fMaxRTPCRat(0),
+//
+ fNParamsDip(0),fNZSegDip(0),fNYSegDip(0),fNXSegDip(0),
+ fSegZDip(0),fSegYDip(0),fSegXDip(0),
+ fBegSegYDip(0),fNSegYDip(0),fBegSegXDip(0),fNSegXDip(0),fSegIDDip(0),fMinZDip(1.e6),fMaxZDip(-1.e6),fParamsDip(0)
+//
+{
+ // default constructor
+}
+
+//__________________________________________________________________________________________
+AliMagWrapCheb::AliMagWrapCheb(const AliMagWrapCheb& src) :
+ TNamed(src),
+ fNParamsSol(0),fNZSegSol(0),fNPSegSol(0),fNRSegSol(0),
+ fSegZSol(0),fSegPSol(0),fSegRSol(0),
+ fBegSegPSol(0),fNSegPSol(0),fBegSegRSol(0),fNSegRSol(0),fSegIDSol(0),fMinZSol(1.e6),fMaxZSol(-1.e6),fParamsSol(0),fMaxRSol(0),
+//
+ fNParamsTPC(0),fNZSegTPC(0),fNPSegTPC(0),fNRSegTPC(0),
+ fSegZTPC(0),fSegPTPC(0),fSegRTPC(0),
+ fBegSegPTPC(0),fNSegPTPC(0),fBegSegRTPC(0),fNSegRTPC(0),fSegIDTPC(0),fMinZTPC(1.e6),fMaxZTPC(-1.e6),fParamsTPC(0),fMaxRTPC(0),
+//
+ fNParamsTPCRat(0),fNZSegTPCRat(0),fNPSegTPCRat(0),fNRSegTPCRat(0),
+ fSegZTPCRat(0),fSegPTPCRat(0),fSegRTPCRat(0),
+ fBegSegPTPCRat(0),fNSegPTPCRat(0),fBegSegRTPCRat(0),fNSegRTPCRat(0),fSegIDTPCRat(0),fMinZTPCRat(1.e6),fMaxZTPCRat(-1.e6),fParamsTPCRat(0),fMaxRTPCRat(0),
+//
+ fNParamsDip(0),fNZSegDip(0),fNYSegDip(0),fNXSegDip(0),
+ fSegZDip(0),fSegYDip(0),fSegXDip(0),
+ fBegSegYDip(0),fNSegYDip(0),fBegSegXDip(0),fNSegXDip(0),fSegIDDip(0),fMinZDip(1.e6),fMaxZDip(-1.e6),fParamsDip(0)
+{
+ // copy constructor
+ CopyFrom(src);
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::CopyFrom(const AliMagWrapCheb& src)
+{
+ // copy method
+ Clear();
+ SetName(src.GetName());
+ SetTitle(src.GetTitle());
+ //
+ fNParamsSol = src.fNParamsSol;
+ fNZSegSol = src.fNZSegSol;
+ fNPSegSol = src.fNPSegSol;
+ fNRSegSol = src.fNRSegSol;
+ fMinZSol = src.fMinZSol;
+ fMaxZSol = src.fMaxZSol;
+ fMaxRSol = src.fMaxRSol;
+ if (src.fNParamsSol) {
+ memcpy(fSegZSol = new Float_t[fNZSegSol], src.fSegZSol, sizeof(Float_t)*fNZSegSol);
+ memcpy(fSegPSol = new Float_t[fNPSegSol], src.fSegPSol, sizeof(Float_t)*fNPSegSol);
+ memcpy(fSegRSol = new Float_t[fNRSegSol], src.fSegRSol, sizeof(Float_t)*fNRSegSol);
+ memcpy(fBegSegPSol= new Int_t[fNZSegSol], src.fBegSegPSol, sizeof(Int_t)*fNZSegSol);
+ memcpy(fNSegPSol = new Int_t[fNZSegSol], src.fNSegPSol, sizeof(Int_t)*fNZSegSol);
+ memcpy(fBegSegRSol= new Int_t[fNPSegSol], src.fBegSegRSol, sizeof(Int_t)*fNPSegSol);
+ memcpy(fNSegRSol = new Int_t[fNPSegSol], src.fNSegRSol, sizeof(Int_t)*fNPSegSol);
+ memcpy(fSegIDSol = new Int_t[fNRSegSol], src.fSegIDSol, sizeof(Int_t)*fNRSegSol);
+ fParamsSol = new TObjArray(fNParamsSol);
+ for (int i=0;i<fNParamsSol;i++) fParamsSol->AddAtAndExpand(new AliCheb3D(*src.GetParamSol(i)),i);
+ }
+ //
+ fNParamsTPC = src.fNParamsTPC;
+ fNZSegTPC = src.fNZSegTPC;
+ fNPSegTPC = src.fNPSegTPC;
+ fNRSegTPC = src.fNRSegTPC;
+ fMinZTPC = src.fMinZTPC;
+ fMaxZTPC = src.fMaxZTPC;
+ fMaxRTPC = src.fMaxRTPC;
+ if (src.fNParamsTPC) {
+ memcpy(fSegZTPC = new Float_t[fNZSegTPC], src.fSegZTPC, sizeof(Float_t)*fNZSegTPC);
+ memcpy(fSegPTPC = new Float_t[fNPSegTPC], src.fSegPTPC, sizeof(Float_t)*fNPSegTPC);
+ memcpy(fSegRTPC = new Float_t[fNRSegTPC], src.fSegRTPC, sizeof(Float_t)*fNRSegTPC);
+ memcpy(fBegSegPTPC= new Int_t[fNZSegTPC], src.fBegSegPTPC, sizeof(Int_t)*fNZSegTPC);
+ memcpy(fNSegPTPC = new Int_t[fNZSegTPC], src.fNSegPTPC, sizeof(Int_t)*fNZSegTPC);
+ memcpy(fBegSegRTPC= new Int_t[fNPSegTPC], src.fBegSegRTPC, sizeof(Int_t)*fNPSegTPC);
+ memcpy(fNSegRTPC = new Int_t[fNPSegTPC], src.fNSegRTPC, sizeof(Int_t)*fNPSegTPC);
+ memcpy(fSegIDTPC = new Int_t[fNRSegTPC], src.fSegIDTPC, sizeof(Int_t)*fNRSegTPC);
+ fParamsTPC = new TObjArray(fNParamsTPC);
+ for (int i=0;i<fNParamsTPC;i++) fParamsTPC->AddAtAndExpand(new AliCheb3D(*src.GetParamTPCInt(i)),i);
+ }
+ //
+ fNParamsTPCRat = src.fNParamsTPCRat;
+ fNZSegTPCRat = src.fNZSegTPCRat;
+ fNPSegTPCRat = src.fNPSegTPCRat;
+ fNRSegTPCRat = src.fNRSegTPCRat;
+ fMinZTPCRat = src.fMinZTPCRat;
+ fMaxZTPCRat = src.fMaxZTPCRat;
+ fMaxRTPCRat = src.fMaxRTPCRat;
+ if (src.fNParamsTPCRat) {
+ memcpy(fSegZTPCRat = new Float_t[fNZSegTPCRat], src.fSegZTPCRat, sizeof(Float_t)*fNZSegTPCRat);
+ memcpy(fSegPTPCRat = new Float_t[fNPSegTPCRat], src.fSegPTPCRat, sizeof(Float_t)*fNPSegTPCRat);
+ memcpy(fSegRTPCRat = new Float_t[fNRSegTPCRat], src.fSegRTPCRat, sizeof(Float_t)*fNRSegTPCRat);
+ memcpy(fBegSegPTPCRat= new Int_t[fNZSegTPCRat], src.fBegSegPTPCRat, sizeof(Int_t)*fNZSegTPCRat);
+ memcpy(fNSegPTPCRat = new Int_t[fNZSegTPCRat], src.fNSegPTPCRat, sizeof(Int_t)*fNZSegTPCRat);
+ memcpy(fBegSegRTPCRat= new Int_t[fNPSegTPCRat], src.fBegSegRTPCRat, sizeof(Int_t)*fNPSegTPCRat);
+ memcpy(fNSegRTPCRat = new Int_t[fNPSegTPCRat], src.fNSegRTPCRat, sizeof(Int_t)*fNPSegTPCRat);
+ memcpy(fSegIDTPCRat = new Int_t[fNRSegTPCRat], src.fSegIDTPCRat, sizeof(Int_t)*fNRSegTPCRat);
+ fParamsTPCRat = new TObjArray(fNParamsTPCRat);
+ for (int i=0;i<fNParamsTPCRat;i++) fParamsTPCRat->AddAtAndExpand(new AliCheb3D(*src.GetParamTPCRatInt(i)),i);
+ }
+ //
+ fNParamsDip = src.fNParamsDip;
+ fNZSegDip = src.fNZSegDip;
+ fNYSegDip = src.fNYSegDip;
+ fNXSegDip = src.fNXSegDip;
+ fMinZDip = src.fMinZDip;
+ fMaxZDip = src.fMaxZDip;
+ if (src.fNParamsDip) {
+ memcpy(fSegZDip = new Float_t[fNZSegDip], src.fSegZDip, sizeof(Float_t)*fNZSegDip);
+ memcpy(fSegYDip = new Float_t[fNYSegDip], src.fSegYDip, sizeof(Float_t)*fNYSegDip);
+ memcpy(fSegXDip = new Float_t[fNXSegDip], src.fSegXDip, sizeof(Float_t)*fNXSegDip);
+ memcpy(fBegSegYDip= new Int_t[fNZSegDip], src.fBegSegYDip, sizeof(Int_t)*fNZSegDip);
+ memcpy(fNSegYDip = new Int_t[fNZSegDip], src.fNSegYDip, sizeof(Int_t)*fNZSegDip);
+ memcpy(fBegSegXDip= new Int_t[fNYSegDip], src.fBegSegXDip, sizeof(Int_t)*fNYSegDip);
+ memcpy(fNSegXDip = new Int_t[fNYSegDip], src.fNSegXDip, sizeof(Int_t)*fNYSegDip);
+ memcpy(fSegIDDip = new Int_t[fNXSegDip], src.fSegIDDip, sizeof(Int_t)*fNXSegDip);
+ fParamsDip = new TObjArray(fNParamsDip);
+ for (int i=0;i<fNParamsDip;i++) fParamsDip->AddAtAndExpand(new AliCheb3D(*src.GetParamDip(i)),i);
+ }
+ //
+}
+
+//__________________________________________________________________________________________
+AliMagWrapCheb& AliMagWrapCheb::operator=(const AliMagWrapCheb& rhs)
+{
+ // assignment
+ if (this != &rhs) {
+ Clear();
+ CopyFrom(rhs);
+ }
+ return *this;
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::Clear(const Option_t *)
+{
+ // clear all dynamic parts
+ if (fNParamsSol) {
+ delete fParamsSol; fParamsSol = 0;
+ delete[] fSegZSol; fSegZSol = 0;
+ delete[] fSegPSol; fSegPSol = 0;
+ delete[] fSegRSol; fSegRSol = 0;
+ delete[] fBegSegPSol; fBegSegPSol = 0;
+ delete[] fNSegPSol; fNSegPSol = 0;
+ delete[] fBegSegRSol; fBegSegRSol = 0;
+ delete[] fNSegRSol; fNSegRSol = 0;
+ delete[] fSegIDSol; fSegIDSol = 0;
+ }
+ fNParamsSol = fNZSegSol = fNPSegSol = fNRSegSol = 0;
+ fMinZSol = 1e6;
+ fMaxZSol = -1e6;
+ fMaxRSol = 0;
+ //
+ if (fNParamsTPC) {
+ delete fParamsTPC; fParamsTPC = 0;
+ delete[] fSegZTPC; fSegZTPC = 0;
+ delete[] fSegPTPC; fSegPTPC = 0;
+ delete[] fSegRTPC; fSegRTPC = 0;
+ delete[] fBegSegPTPC; fBegSegPTPC = 0;
+ delete[] fNSegPTPC; fNSegPTPC = 0;
+ delete[] fBegSegRTPC; fBegSegRTPC = 0;
+ delete[] fNSegRTPC; fNSegRTPC = 0;
+ delete[] fSegIDTPC; fSegIDTPC = 0;
+ }
+ fNParamsTPC = fNZSegTPC = fNPSegTPC = fNRSegTPC = 0;
+ fMinZTPC = 1e6;
+ fMaxZTPC = -1e6;
+ fMaxRTPC = 0;
+ //
+ if (fNParamsTPCRat) {
+ delete fParamsTPCRat; fParamsTPCRat = 0;
+ delete[] fSegZTPCRat; fSegZTPCRat = 0;
+ delete[] fSegPTPCRat; fSegPTPCRat = 0;
+ delete[] fSegRTPCRat; fSegRTPCRat = 0;
+ delete[] fBegSegPTPCRat; fBegSegPTPCRat = 0;
+ delete[] fNSegPTPCRat; fNSegPTPCRat = 0;
+ delete[] fBegSegRTPCRat; fBegSegRTPCRat = 0;
+ delete[] fNSegRTPCRat; fNSegRTPCRat = 0;
+ delete[] fSegIDTPCRat; fSegIDTPCRat = 0;
+ }
+ fNParamsTPCRat = fNZSegTPCRat = fNPSegTPCRat = fNRSegTPCRat = 0;
+ fMinZTPCRat = 1e6;
+ fMaxZTPCRat = -1e6;
+ fMaxRTPCRat = 0;
+ //
+ if (fNParamsDip) {
+ delete fParamsDip; fParamsDip = 0;
+ delete[] fSegZDip; fSegZDip = 0;
+ delete[] fSegYDip; fSegYDip = 0;
+ delete[] fSegXDip; fSegXDip = 0;
+ delete[] fBegSegYDip; fBegSegYDip = 0;
+ delete[] fNSegYDip; fNSegYDip = 0;
+ delete[] fBegSegXDip; fBegSegXDip = 0;
+ delete[] fNSegXDip; fNSegXDip = 0;
+ delete[] fSegIDDip; fSegIDDip = 0;
+ }
+ fNParamsDip = fNZSegDip = fNYSegDip = fNXSegDip = 0;
+ fMinZDip = 1e6;
+ fMaxZDip = -1e6;
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::Field(const Double_t *xyz, Double_t *b) const
+{
+ // compute field in cartesian coordinates. If point is outside of the parameterized region
+ // get it at closest valid point
+ Double_t rphiz[3];
+ //
+#ifndef _BRING_TO_BOUNDARY_ // exact matching to fitted volume is requested
+ b[0] = b[1] = b[2] = 0;
+#endif
+ //
+ if (xyz[2]>fMinZSol) {
+ CartToCyl(xyz,rphiz);
+ FieldCylSol(rphiz,b);
+ // convert field to cartesian system
+ CylToCartCylB(rphiz, b,b);
+ return;
+ }
+ //
+ int iddip = FindDipSegment(xyz);
+ if (iddip<0) return;
+ AliCheb3D* par = GetParamDip(iddip);
+#ifndef _BRING_TO_BOUNDARY_
+ if (!par->IsInside(xyz)) return;
+#endif
+ par->Eval(xyz,b);
+ //
+}
+
+//__________________________________________________________________________________________
+Double_t AliMagWrapCheb::GetBz(const Double_t *xyz) const
+{
+ // compute Bz for the point in cartesian coordinates. If point is outside of the parameterized region
+ // get it at closest valid point
+ Double_t rphiz[3];
+ //
+ if (xyz[2]>fMinZSol) {
+ CartToCyl(xyz,rphiz);
+ return FieldCylSolBz(rphiz);
+ }
+ //
+ int iddip = FindDipSegment(xyz);
+ if (iddip<0) return 0.;
+ AliCheb3D* par = GetParamDip(iddip);
+#ifndef _BRING_TO_BOUNDARY_
+ if (!par->IsInside(xyz)) return 0.;
+#endif
+ return par->Eval(xyz,2);
+}
+
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::Print(Option_t *) const
+{
+ // print info
+ printf("Alice magnetic field parameterized by Chebyshev polynomials\n");
+ printf("Segmentation for Solenoid (%+.2f<Z<%+.2f cm | R<%.2f cm)\n",fMinZSol,fMaxZSol,fMaxRSol);
+ //
+ if (fParamsSol) {
+ for (int i=0;i<fNParamsSol;i++) {
+ printf("SOL%4d ",i);
+ GetParamSol(i)->Print();
+ }
+ }
+ //
+ printf("Segmentation for TPC field integral (%+.2f<Z<%+.2f cm | R<%.2f cm)\n",fMinZTPC,fMaxZTPC,fMaxRTPC);
+ //
+ if (fParamsTPC) {
+ for (int i=0;i<fNParamsTPC;i++) {
+ printf("TPC%4d ",i);
+ GetParamTPCInt(i)->Print();
+ }
+ }
+ //
+ printf("Segmentation for TPC field ratios integral (%+.2f<Z<%+.2f cm | R<%.2f cm)\n",fMinZTPCRat,fMaxZTPCRat,fMaxRTPCRat);
+ //
+ if (fParamsTPCRat) {
+ for (int i=0;i<fNParamsTPCRat;i++) {
+ printf("TPCRat%4d ",i);
+ GetParamTPCRatInt(i)->Print();
+ }
+ }
+ //
+ printf("Segmentation for Dipole (%+.2f<Z<%+.2f cm)\n",fMinZDip,fMaxZDip);
+ if (fParamsDip) {
+ for (int i=0;i<fNParamsDip;i++) {
+ printf("DIP%4d ",i);
+ GetParamDip(i)->Print();
+ }
+ }
+ //
+}
+
+//__________________________________________________________________________________________________
+Int_t AliMagWrapCheb::FindDipSegment(const Double_t *xyz) const
+{
+ // find the segment containing point xyz. If it is outside find the closest segment
+ if (!fNParamsDip) return -1;
+ int xid,yid,zid = TMath::BinarySearch(fNZSegDip,fSegZDip,(Float_t)xyz[2]); // find zsegment
+ //
+ Bool_t reCheck = kFALSE;
+ while(1) {
+ int ysegBeg = fBegSegYDip[zid];
+ //
+ for (yid=0;yid<fNSegYDip[zid];yid++) if (xyz[1]<fSegYDip[ysegBeg+yid]) break;
+ if ( --yid < 0 ) yid = 0;
+ yid += ysegBeg;
+ //
+ int xsegBeg = fBegSegXDip[yid];
+ for (xid=0;xid<fNSegXDip[yid];xid++) if (xyz[0]<fSegXDip[xsegBeg+xid]) break;
+ //
+ if ( --xid < 0) xid = 0;
+ xid += xsegBeg;
+ //
+ // to make sure that due to the precision problems we did not pick the next Zbin
+ if (!reCheck && (xyz[2] - fSegZDip[zid] < 3.e-5) && zid &&
+ !GetParamDip(fSegIDDip[xid])->IsInside(xyz)) { // check the previous Z bin
+ zid--;
+ reCheck = kTRUE;
+ continue;
+ }
+ break;
+ }
+ return fSegIDDip[xid];
+}
+
+//__________________________________________________________________________________________________
+Int_t AliMagWrapCheb::FindSolSegment(const Double_t *rpz) const
+{
+ // find the segment containing point xyz. If it is outside find the closest segment
+ if (!fNParamsSol) return -1;
+ int rid,pid,zid = TMath::BinarySearch(fNZSegSol,fSegZSol,(Float_t)rpz[2]); // find zsegment
+ //
+ Bool_t reCheck = kFALSE;
+ while(1) {
+ int psegBeg = fBegSegPSol[zid];
+ for (pid=0;pid<fNSegPSol[zid];pid++) if (rpz[1]<fSegPSol[psegBeg+pid]) break;
+ if ( --pid < 0 ) pid = 0;
+ pid += psegBeg;
+ //
+ int rsegBeg = fBegSegRSol[pid];
+ for (rid=0;rid<fNSegRSol[pid];rid++) if (rpz[0]<fSegRSol[rsegBeg+rid]) break;
+ if ( --rid < 0) rid = 0;
+ rid += rsegBeg;
+ //
+ // to make sure that due to the precision problems we did not pick the next Zbin
+ if (!reCheck && (rpz[2] - fSegZSol[zid] < 3.e-5) && zid &&
+ !GetParamSol(fSegIDSol[rid])->IsInside(rpz)) { // check the previous Z bin
+ zid--;
+ reCheck = kTRUE;
+ continue;
+ }
+ break;
+ }
+ return fSegIDSol[rid];
+}
+
+//__________________________________________________________________________________________________
+Int_t AliMagWrapCheb::FindTPCSegment(const Double_t *rpz) const
{
- // Default constructor
+ // find the segment containing point xyz. If it is outside find the closest segment
+ if (!fNParamsTPC) return -1;
+ int rid,pid,zid = TMath::BinarySearch(fNZSegTPC,fSegZTPC,(Float_t)rpz[2]); // find zsegment
//
+ Bool_t reCheck = kFALSE;
+ while(1) {
+ int psegBeg = fBegSegPTPC[zid];
+ //
+ for (pid=0;pid<fNSegPTPC[zid];pid++) if (rpz[1]<fSegPTPC[psegBeg+pid]) break;
+ if ( --pid < 0 ) pid = 0;
+ pid += psegBeg;
+ //
+ int rsegBeg = fBegSegRTPC[pid];
+ for (rid=0;rid<fNSegRTPC[pid];rid++) if (rpz[0]<fSegRTPC[rsegBeg+rid]) break;
+ if ( --rid < 0) rid = 0;
+ rid += rsegBeg;
+ //
+ // to make sure that due to the precision problems we did not pick the next Zbin
+ if (!reCheck && (rpz[2] - fSegZTPC[zid] < 3.e-5) && zid &&
+ !GetParamTPCInt(fSegIDTPC[rid])->IsInside(rpz)) { // check the previous Z bin
+ zid--;
+ reCheck = kTRUE;
+ continue;
+ }
+ break;
+ }
+ return fSegIDTPC[rid];
}
-//_______________________________________________________________________
-AliMagWrapCheb::AliMagWrapCheb(const char *name, const char *title, Int_t integ,
- Float_t factor, Float_t fmax, Int_t map,
- Bool_t dipoleON,const char* path):
- AliMagF(name, title, integ, factor, fmax),
- fMeasuredMap(0)
+//__________________________________________________________________________________________________
+Int_t AliMagWrapCheb::FindTPCRatSegment(const Double_t *rpz) const
{
+ // find the segment containing point xyz. If it is outside find the closest segment
+ if (!fNParamsTPCRat) return -1;
+ int rid,pid,zid = TMath::BinarySearch(fNZSegTPCRat,fSegZTPCRat,(Float_t)rpz[2]); // find zsegment
//
- fMap = map;
- char* fname = gSystem->ExpandPathName(path);
- TFile* file = TFile::Open(fname);
- if (!file) {
- AliError(Form("Failed to open magnetic field data file %s\n",fname));
+ Bool_t reCheck = kFALSE;
+ while(1) {
+ int psegBeg = fBegSegPTPCRat[zid];
+ //
+ for (pid=0;pid<fNSegPTPCRat[zid];pid++) if (rpz[1]<fSegPTPCRat[psegBeg+pid]) break;
+ if ( --pid < 0 ) pid = 0;
+ pid += psegBeg;
+ //
+ int rsegBeg = fBegSegRTPCRat[pid];
+ for (rid=0;rid<fNSegRTPCRat[pid];rid++) if (rpz[0]<fSegRTPCRat[rsegBeg+rid]) break;
+ if ( --rid < 0) rid = 0;
+ rid += rsegBeg;
+ //
+ // to make sure that due to the precision problems we did not pick the next Zbin
+ if (!reCheck && (rpz[2] - fSegZTPCRat[zid] < 3.e-5) && zid &&
+ !GetParamTPCRatInt(fSegIDTPCRat[rid])->IsInside(rpz)) { // check the previous Z bin
+ zid--;
+ reCheck = kTRUE;
+ continue;
+ }
+ break;
+ }
+ return fSegIDTPCRat[rid];
+}
+
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::GetTPCInt(const Double_t *xyz, Double_t *b) const
+{
+ // compute TPC region field integral in cartesian coordinates.
+ // If point is outside of the parameterized region get it at closeset valid point
+ static Double_t rphiz[3];
+ //
+ // TPCInt region
+ // convert coordinates to cyl system
+ CartToCyl(xyz,rphiz);
+#ifndef _BRING_TO_BOUNDARY_
+ if ( (rphiz[2]>GetMaxZTPCInt()||rphiz[2]<GetMinZTPCInt()) ||
+ rphiz[0]>GetMaxRTPCInt()) {for (int i=3;i--;) b[i]=0; return;}
+#endif
+ //
+ GetTPCIntCyl(rphiz,b);
+ //
+ // convert field to cartesian system
+ CylToCartCylB(rphiz, b,b);
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::GetTPCRatInt(const Double_t *xyz, Double_t *b) const
+{
+ // compute TPCRat region field integral in cartesian coordinates.
+ // If point is outside of the parameterized region get it at closeset valid point
+ static Double_t rphiz[3];
+ //
+ // TPCRatInt region
+ // convert coordinates to cyl system
+ CartToCyl(xyz,rphiz);
+#ifndef _BRING_TO_BOUNDARY_
+ if ( (rphiz[2]>GetMaxZTPCRatInt()||rphiz[2]<GetMinZTPCRatInt()) ||
+ rphiz[0]>GetMaxRTPCRatInt()) {for (int i=3;i--;) b[i]=0; return;}
+#endif
+ //
+ GetTPCRatIntCyl(rphiz,b);
+ //
+ // convert field to cartesian system
+ CylToCartCylB(rphiz, b,b);
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::FieldCylSol(const Double_t *rphiz, Double_t *b) const
+{
+ // compute Solenoid field in Cylindircal coordinates
+ // note: if the point is outside the volume get the field in closest parameterized point
+ int id = FindSolSegment(rphiz);
+ if (id<0) return;
+ AliCheb3D* par = GetParamSol(id);
+#ifndef _BRING_TO_BOUNDARY_ // exact matching to fitted volume is requested
+ if (!par->IsInside(rphiz)) return;
+#endif
+ par->Eval(rphiz,b);
+ return;
+ //
+}
+
+//__________________________________________________________________________________________
+Double_t AliMagWrapCheb::FieldCylSolBz(const Double_t *rphiz) const
+{
+ // compute Solenoid field in Cylindircal coordinates
+ // note: if the point is outside the volume get the field in closest parameterized point
+ int id = FindSolSegment(rphiz);
+ if (id<0) return 0.;
+ AliCheb3D* par = GetParamSol(id);
+#ifndef _BRING_TO_BOUNDARY_
+ return par->IsInside(rphiz) ? par->Eval(rphiz,2) : 0;
+#endif
+ return par->Eval(rphiz,2);
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::GetTPCIntCyl(const Double_t *rphiz, Double_t *b) const
+{
+ // compute field integral in TPC region in Cylindircal coordinates
+ // note: the check for the point being inside the parameterized region is done outside
+ int id = FindTPCSegment(rphiz);
+ if (id<0) {
+ b[0] = b[1] = b[2] = 0;
+ return;
+ }
+ if (id>=fNParamsTPC) {
+ AliError(Form("Wrong TPCParam segment %d",id));
+ b[0] = b[1] = b[2] = 0;
return;
}
- const char* parname = 0;
- if (fMap == k2kG) parname = dipoleON ? "Sol12_Dip6_Hole":"Sol12_Dip0_Hole";
- else if (fMap == k5kG) parname = dipoleON ? "Sol30_Dip6_Hole":"Sol30_Dip0_Hole";
- else {
- AliError(Form("Unknown field identifier %d is requested\n",fMap));
+ AliCheb3D* par = GetParamTPCInt(id);
+ if (par->IsInside(rphiz)) {
+ par->Eval(rphiz,b);
return;
}
+ b[0] = b[1] = b[2] = 0;
+ return;
//
- fMeasuredMap = dynamic_cast<AliMagFCheb*>(file->Get(parname));
- if (!fMeasuredMap) {
- AliError(Form("Did not find field %s in %s\n",parname,fname));
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::GetTPCRatIntCyl(const Double_t *rphiz, Double_t *b) const
+{
+ // compute field integral in TPCRat region in Cylindircal coordinates
+ // note: the check for the point being inside the parameterized region is done outside
+ int id = FindTPCRatSegment(rphiz);
+ if (id<0) {
+ b[0] = b[1] = b[2] = 0;
return;
}
- file->Close();
- delete file;
+ if (id>=fNParamsTPCRat) {
+ AliError(Form("Wrong TPCRatParam segment %d",id));
+ b[0] = b[1] = b[2] = 0;
+ return;
+ }
+ AliCheb3D* par = GetParamTPCRatInt(id);
+ if (par->IsInside(rphiz)) {
+ par->Eval(rphiz,b);
+ return;
+ }
+ b[0] = b[1] = b[2] = 0;
+ return;
+ //
}
-//_______________________________________________________________________
-AliMagWrapCheb::AliMagWrapCheb(const AliMagWrapCheb &src):
- AliMagF(src),
- fMeasuredMap(0)
+#ifdef _INC_CREATION_ALICHEB3D_
+//_______________________________________________
+void AliMagWrapCheb::LoadData(const char* inpfile)
{
- if (src.fMeasuredMap) fMeasuredMap = new AliMagFCheb(*src.fMeasuredMap);
+ // read coefficients data from the text file
+ //
+ TString strf = inpfile;
+ gSystem->ExpandPathName(strf);
+ FILE* stream = fopen(strf,"r");
+ if (!stream) {
+ printf("Did not find input file %s\n",strf.Data());
+ return;
+ }
+ //
+ TString buffs;
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("START")) {
+ Error("LoadData","Expected: \"START <name>\", found \"%s\"\nStop\n",buffs.Data());
+ exit(1);
+ }
+ if (buffs.First(' ')>0) SetName(buffs.Data()+buffs.First(' ')+1);
+ //
+ // Solenoid part -----------------------------------------------------------
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("START SOLENOID")) {
+ Error("LoadData","Expected: \"START SOLENOID\", found \"%s\"\nStop\n",buffs.Data());
+ exit(1);
+ }
+ AliCheb3DCalc::ReadLine(buffs,stream); // nparam
+ int nparSol = buffs.Atoi();
+ //
+ for (int ip=0;ip<nparSol;ip++) {
+ AliCheb3D* cheb = new AliCheb3D();
+ cheb->LoadData(stream);
+ AddParamSol(cheb);
+ }
+ //
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("END SOLENOID")) {
+ Error("LoadData","Expected \"END SOLENOID\", found \"%s\"\nStop\n",buffs.Data());
+ exit(1);
+ }
+ //
+ // TPCInt part -----------------------------------------------------------
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("START TPCINT")) {
+ Error("LoadData","Expected: \"START TPCINT\", found \"%s\"\nStop\n",buffs.Data());
+ exit(1);
+ }
+ AliCheb3DCalc::ReadLine(buffs,stream); // nparam
+ int nparTPCInt = buffs.Atoi();
+ //
+ for (int ip=0;ip<nparTPCInt;ip++) {
+ AliCheb3D* cheb = new AliCheb3D();
+ cheb->LoadData(stream);
+ AddParamTPCInt(cheb);
+ }
+ //
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("END TPCINT")) {
+ Error("LoadData","Expected \"END TPCINT\", found \"%s\"\nStop\n",buffs.Data());
+ exit(1);
+ }
+ //
+ // TPCRatInt part -----------------------------------------------------------
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("START TPCRatINT")) {
+ Error("LoadData","Expected: \"START TPCRatINT\", found \"%s\"\nStop\n",buffs.Data());
+ exit(1);
+ }
+ AliCheb3DCalc::ReadLine(buffs,stream); // nparam
+ int nparTPCRatInt = buffs.Atoi();
+ //
+ for (int ip=0;ip<nparTPCRatInt;ip++) {
+ AliCheb3D* cheb = new AliCheb3D();
+ cheb->LoadData(stream);
+ AddParamTPCRatInt(cheb);
+ }
+ //
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("END TPCRatINT")) {
+ Error("LoadData","Expected \"END TPCRatINT\", found \"%s\"\nStop\n",buffs.Data());
+ exit(1);
+ }
+ //
+ // Dipole part -----------------------------------------------------------
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("START DIPOLE")) {
+ Error("LoadData","Expected: \"START DIPOLE\", found \"%s\"\nStop\n",buffs.Data());
+ exit(1);
+ }
+ AliCheb3DCalc::ReadLine(buffs,stream); // nparam
+ int nparDip = buffs.Atoi();
+ //
+ for (int ip=0;ip<nparDip;ip++) {
+ AliCheb3D* cheb = new AliCheb3D();
+ cheb->LoadData(stream);
+ AddParamDip(cheb);
+ }
+ //
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("END DIPOLE")) {
+ Error("LoadData","Expected \"END DIPOLE\", found \"%s\"\nStop\n",GetName(),buffs.Data());
+ exit(1);
+ }
+ //
+ AliCheb3DCalc::ReadLine(buffs,stream);
+ if (!buffs.BeginsWith("END") || !buffs.Contains(GetName())) {
+ Error("LoadData","Expected: \"END %s\", found \"%s\"\nStop\n",GetName(),buffs.Data());
+ exit(1);
+ }
+ //
+ // ---------------------------------------------------------------------------
+ fclose(stream);
+ BuildTableSol();
+ BuildTableDip();
+ BuildTableTPCInt();
+ BuildTableTPCRatInt();
+ //
+ printf("Loaded magnetic field \"%s\" from %s\n",GetName(),strf.Data());
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::BuildTableSol()
+{
+ BuildTable(fNParamsSol,fParamsSol,
+ fNZSegSol,fNPSegSol,fNRSegSol,
+ fMinZSol,fMaxZSol,
+ &fSegZSol,&fSegPSol,&fSegRSol,
+ &fBegSegPSol,&fNSegPSol,
+ &fBegSegRSol,&fNSegRSol,
+ &fSegIDSol);
}
-//_______________________________________________________________________
-AliMagWrapCheb::~AliMagWrapCheb()
+//__________________________________________________________________________________________
+void AliMagWrapCheb::BuildTableDip()
{
- delete fMeasuredMap;
+ BuildTable(fNParamsDip,fParamsDip,
+ fNZSegDip,fNYSegDip,fNXSegDip,
+ fMinZDip,fMaxZDip,
+ &fSegZDip,&fSegYDip,&fSegXDip,
+ &fBegSegYDip,&fNSegYDip,
+ &fBegSegXDip,&fNSegXDip,
+ &fSegIDDip);
}
-//_______________________________________________________________________
-void AliMagWrapCheb::GetTPCInt(Float_t *xyz, Float_t *b) const
+//__________________________________________________________________________________________
+void AliMagWrapCheb::BuildTableTPCInt()
{
- // Method to calculate the integral of magnetic integral from xyz to nearest cathode plane
+ BuildTable(fNParamsTPC,fParamsTPC,
+ fNZSegTPC,fNPSegTPC,fNRSegTPC,
+ fMinZTPC,fMaxZTPC,
+ &fSegZTPC,&fSegPTPC,&fSegRTPC,
+ &fBegSegPTPC,&fNSegPTPC,
+ &fBegSegRTPC,&fNSegRTPC,
+ &fSegIDTPC);
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::BuildTableTPCRatInt()
+{
+ BuildTable(fNParamsTPCRat,fParamsTPCRat,
+ fNZSegTPCRat,fNPSegTPCRat,fNRSegTPCRat,
+ fMinZTPCRat,fMaxZTPCRat,
+ &fSegZTPCRat,&fSegPTPCRat,&fSegRTPCRat,
+ &fBegSegPTPCRat,&fNSegPTPCRat,
+ &fBegSegRTPCRat,&fNSegRTPCRat,
+ &fSegIDTPCRat);
+}
+
+#endif
+
+//_______________________________________________
+#ifdef _INC_CREATION_ALICHEB3D_
+
+//__________________________________________________________________________________________
+AliMagWrapCheb::AliMagWrapCheb(const char* inputFile) :
+ fNParamsSol(0),fNZSegSol(0),fNPSegSol(0),fNRSegSol(0),
+ fSegZSol(0),fSegPSol(0),fSegRSol(0),
+ fBegSegPSol(0),fNSegPSol(0),fBegSegRSol(0),fNSegRSol(0),fSegIDSol(0),fMinZSol(1.e6),fMaxZSol(-1.e6),fParamsSol(0),fMaxRSol(0),
+//
+ fNParamsTPC(0),fNZSegTPC(0),fNPSegTPC(0),fNRSegTPC(0),
+ fSegZTPC(0),fSegPTPC(0),fSegRTPC(0),
+ fBegSegPTPC(0),fNSegPTPC(0),fBegSegRTPC(0),fNSegRTPC(0),fSegIDTPC(0),fMinZTPC(1.e6),fMaxZTPC(-1.e6),fParamsTPC(0),fMaxRTPC(0),
+//
+ fNParamsTPCRat(0),fNZSegTPCRat(0),fNPSegTPCRat(0),fNRSegTPCRat(0),
+ fSegZTPCRat(0),fSegPTPCRat(0),fSegRTPCRat(0),
+ fBegSegPTPCRat(0),fNSegPTPCRat(0),fBegSegRTPCRat(0),fNSegRTPCRat(0),fSegIDTPCRat(0),fMinZTPCRat(1.e6),fMaxZTPCRat(-1.e6),fParamsTPCRat(0),fMaxRTPCRat(0),
+//
+ fNParamsDip(0),fNZSegDip(0),fNYSegDip(0),fNXSegDip(0),
+ fSegZDip(0),fSegYDip(0),fSegXDip(0),
+ fBegSegYDip(0),fNSegYDip(0),fBegSegXDip(0),fNSegXDip(0),fSegIDDip(0),fMinZDip(1.e6),fMaxZDip(-1.e6),fParamsDip(0)
+//
+{
+ // construct from coeffs from the text file
+ LoadData(inputFile);
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::AddParamSol(const AliCheb3D* param)
+{
+ // adds new parameterization piece for Sol
+ // NOTE: pieces must be added strictly in increasing R then increasing Z order
+ //
+ if (!fParamsSol) fParamsSol = new TObjArray();
+ fParamsSol->Add( (AliCheb3D*)param );
+ fNParamsSol++;
+ if (fMaxRSol<param->GetBoundMax(0)) fMaxRSol = param->GetBoundMax(0);
//
- if (fMeasuredMap) fMeasuredMap->GetTPCInt(xyz,b);
- for (int i=3;i--;) b[i] *= fFactor;
}
-//_______________________________________________________________________
-void AliMagWrapCheb::GetTPCIntCyl(Float_t *rphiz, Float_t *b) const
+//__________________________________________________________________________________________
+void AliMagWrapCheb::AddParamTPCInt(const AliCheb3D* param)
{
- // Method to calculate the integral of magnetic integral from point to nearest cathode plane
- // in cylindrical coordiates ( -pi<phi<pi convention )
- if (fMeasuredMap) fMeasuredMap->GetTPCIntCyl(rphiz,b);
- for (int i=3;i--;) b[i] *= fFactor;
+ // adds new parameterization piece for TPCInt
+ // NOTE: pieces must be added strictly in increasing R then increasing Z order
+ //
+ if (!fParamsTPC) fParamsTPC = new TObjArray();
+ fParamsTPC->Add( (AliCheb3D*)param);
+ fNParamsTPC++;
+ if (fMaxRTPC<param->GetBoundMax(0)) fMaxRTPC = param->GetBoundMax(0);
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::AddParamTPCRatInt(const AliCheb3D* param)
+{
+ // adds new parameterization piece for TPCRatInt
+ // NOTE: pieces must be added strictly in increasing R then increasing Z order
+ //
+ if (!fParamsTPCRat) fParamsTPCRat = new TObjArray();
+ fParamsTPCRat->Add( (AliCheb3D*)param);
+ fNParamsTPCRat++;
+ if (fMaxRTPCRat<param->GetBoundMax(0)) fMaxRTPCRat = param->GetBoundMax(0);
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::AddParamDip(const AliCheb3D* param)
+{
+ // adds new parameterization piece for Dipole
+ //
+ if (!fParamsDip) fParamsDip = new TObjArray();
+ fParamsDip->Add( (AliCheb3D*)param);
+ fNParamsDip++;
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::ResetTPCInt()
+{
+ // clean TPC field integral (used for update)
+ if (fNParamsTPC) {
+ delete fParamsTPC; fParamsTPC = 0;
+ delete[] fSegZTPC; fSegZTPC = 0;
+ delete[] fSegPTPC; fSegPTPC = 0;
+ delete[] fSegRTPC; fSegRTPC = 0;
+ delete[] fBegSegPTPC; fBegSegPTPC = 0;
+ delete[] fNSegPTPC; fNSegPTPC = 0;
+ delete[] fBegSegRTPC; fBegSegRTPC = 0;
+ delete[] fNSegRTPC; fNSegRTPC = 0;
+ delete[] fSegIDTPC; fSegIDTPC = 0;
+ }
+ fNParamsTPC = fNZSegTPC = fNPSegTPC = fNRSegTPC = 0;
+ fMinZTPC = 1e6;
+ fMaxZTPC = -1e6;
+ fMaxRTPC = 0;
+ //
+}
+
+//__________________________________________________________________________________________
+void AliMagWrapCheb::ResetTPCRatInt()
+{
+ // clean TPCRat field integral (used for update)
+ if (fNParamsTPCRat) {
+ delete fParamsTPCRat; fParamsTPCRat = 0;
+ delete[] fSegZTPCRat; fSegZTPCRat = 0;
+ delete[] fSegPTPCRat; fSegPTPCRat = 0;
+ delete[] fSegRTPCRat; fSegRTPCRat = 0;
+ delete[] fBegSegPTPCRat; fBegSegPTPCRat = 0;
+ delete[] fNSegPTPCRat; fNSegPTPCRat = 0;
+ delete[] fBegSegRTPCRat; fBegSegRTPCRat = 0;
+ delete[] fNSegRTPCRat; fNSegRTPCRat = 0;
+ delete[] fSegIDTPCRat; fSegIDTPCRat = 0;
+ }
+ fNParamsTPCRat = fNZSegTPCRat = fNPSegTPCRat = fNRSegTPCRat = 0;
+ fMinZTPCRat = 1e6;
+ fMaxZTPCRat = -1e6;
+ fMaxRTPCRat = 0;
+ //
+}
+
+
+//__________________________________________________
+void AliMagWrapCheb::BuildTable(Int_t npar,TObjArray *parArr, Int_t &nZSeg, Int_t &nYSeg, Int_t &nXSeg,
+ Float_t &minZ,Float_t &maxZ,
+ Float_t **segZ,Float_t **segY,Float_t **segX,
+ Int_t **begSegY,Int_t **nSegY,
+ Int_t **begSegX,Int_t **nSegX,
+ Int_t **segID)
+{
+ // build lookup table for dipole
+ //
+ if (npar<1) return;
+ TArrayF segYArr,segXArr;
+ TArrayI begSegYDipArr,begSegXDipArr;
+ TArrayI nSegYDipArr,nSegXDipArr;
+ TArrayI segIDArr;
+ float *tmpSegZ,*tmpSegY,*tmpSegX;
+ //
+ // create segmentation in Z
+ nZSeg = SegmentDimension(&tmpSegZ, parArr, npar, 2, 1,-1, 1,-1, 1,-1) - 1;
+ nYSeg = 0;
+ nXSeg = 0;
+ //
+ // for each Z slice create segmentation in Y
+ begSegYDipArr.Set(nZSeg);
+ nSegYDipArr.Set(nZSeg);
+ float xyz[3];
+ for (int iz=0;iz<nZSeg;iz++) {
+ printf("\nZSegment#%d %+e : %+e\n",iz,tmpSegZ[iz],tmpSegZ[iz+1]);
+ int ny = SegmentDimension(&tmpSegY, parArr, npar, 1,
+ 1,-1, 1,-1, tmpSegZ[iz],tmpSegZ[iz+1]) - 1;
+ segYArr.Set(ny + nYSeg);
+ for (int iy=0;iy<ny;iy++) segYArr[nYSeg+iy] = tmpSegY[iy];
+ begSegYDipArr[iz] = nYSeg;
+ nSegYDipArr[iz] = ny;
+ printf(" Found %d YSegments, to start from %d\n",ny, begSegYDipArr[iz]);
+ //
+ // for each slice in Z and Y create segmentation in X
+ begSegXDipArr.Set(nYSeg+ny);
+ nSegXDipArr.Set(nYSeg+ny);
+ xyz[2] = (tmpSegZ[iz]+tmpSegZ[iz+1])/2.; // mean Z of this segment
+ //
+ for (int iy=0;iy<ny;iy++) {
+ int isg = nYSeg+iy;
+ printf("\n YSegment#%d %+e : %+e\n",iy, tmpSegY[iy],tmpSegY[iy+1]);
+ int nx = SegmentDimension(&tmpSegX, parArr, npar, 0,
+ 1,-1, tmpSegY[iy],tmpSegY[iy+1], tmpSegZ[iz],tmpSegZ[iz+1]) - 1;
+ //
+ segXArr.Set(nx + nXSeg);
+ for (int ix=0;ix<nx;ix++) segXArr[nXSeg+ix] = tmpSegX[ix];
+ begSegXDipArr[isg] = nXSeg;
+ nSegXDipArr[isg] = nx;
+ printf(" Found %d XSegments, to start from %d\n",nx, begSegXDipArr[isg]);
+ //
+ segIDArr.Set(nXSeg+nx);
+ //
+ // find corresponding params
+ xyz[1] = (tmpSegY[iy]+tmpSegY[iy+1])/2.; // mean Y of this segment
+ //
+ for (int ix=0;ix<nx;ix++) {
+ xyz[0] = (tmpSegX[ix]+tmpSegX[ix+1])/2.; // mean X of this segment
+ for (int ipar=0;ipar<npar;ipar++) {
+ AliCheb3D* cheb = (AliCheb3D*) parArr->At(ipar);
+ if (!cheb->IsInside(xyz)) continue;
+ segIDArr[nXSeg+ix] = ipar;
+ break;
+ }
+ }
+ nXSeg += nx;
+ //
+ delete[] tmpSegX;
+ }
+ delete[] tmpSegY;
+ nYSeg += ny;
+ }
+ //
+ minZ = tmpSegZ[0];
+ maxZ = tmpSegZ[nZSeg];
+ (*segZ) = new Float_t[nZSeg];
+ for (int i=nZSeg;i--;) (*segZ)[i] = tmpSegZ[i];
+ delete[] tmpSegZ;
+ //
+ (*segY) = new Float_t[nYSeg];
+ (*segX) = new Float_t[nXSeg];
+ (*begSegY) = new Int_t[nZSeg];
+ (*nSegY) = new Int_t[nZSeg];
+ (*begSegX) = new Int_t[nYSeg];
+ (*nSegX) = new Int_t[nYSeg];
+ (*segID) = new Int_t[nXSeg];
+ //
+ for (int i=nYSeg;i--;) (*segY)[i] = segYArr[i];
+ for (int i=nXSeg;i--;) (*segX)[i] = segXArr[i];
+ for (int i=nZSeg;i--;) {(*begSegY)[i] = begSegYDipArr[i]; (*nSegY)[i] = nSegYDipArr[i];}
+ for (int i=nYSeg;i--;) {(*begSegX)[i] = begSegXDipArr[i]; (*nSegX)[i] = nSegXDipArr[i];}
+ for (int i=nXSeg;i--;) {(*segID)[i] = segIDArr[i];}
+ //
}
-//_______________________________________________________________________
-void AliMagWrapCheb::Field(Float_t *xyz, Float_t *b) const
+/*
+//__________________________________________________
+void AliMagWrapCheb::BuildTableDip()
{
- // Method to calculate the field at point xyz
+ // build lookup table for dipole
+ //
+ if (fNParamsDip<1) return;
+ TArrayF segY,segX;
+ TArrayI begSegYDip,begSegXDip;
+ TArrayI nsegYDip,nsegXDip;
+ TArrayI segID;
+ float *tmpSegZ,*tmpSegY,*tmpSegX;
+ //
+ // create segmentation in Z
+ fNZSegDip = SegmentDimension(&tmpSegZ, fParamsDip, fNParamsDip, 2, 1,-1, 1,-1, 1,-1) - 1;
+ fNYSegDip = 0;
+ fNXSegDip = 0;
+ //
+ // for each Z slice create segmentation in Y
+ begSegYDip.Set(fNZSegDip);
+ nsegYDip.Set(fNZSegDip);
+ float xyz[3];
+ for (int iz=0;iz<fNZSegDip;iz++) {
+ printf("\nZSegment#%d %+e : %+e\n",iz,tmpSegZ[iz],tmpSegZ[iz+1]);
+ int ny = SegmentDimension(&tmpSegY, fParamsDip, fNParamsDip, 1,
+ 1,-1, 1,-1, tmpSegZ[iz],tmpSegZ[iz+1]) - 1;
+ segY.Set(ny + fNYSegDip);
+ for (int iy=0;iy<ny;iy++) segY[fNYSegDip+iy] = tmpSegY[iy];
+ begSegYDip[iz] = fNYSegDip;
+ nsegYDip[iz] = ny;
+ printf(" Found %d YSegments, to start from %d\n",ny, begSegYDip[iz]);
+ //
+ // for each slice in Z and Y create segmentation in X
+ begSegXDip.Set(fNYSegDip+ny);
+ nsegXDip.Set(fNYSegDip+ny);
+ xyz[2] = (tmpSegZ[iz]+tmpSegZ[iz+1])/2.; // mean Z of this segment
+ //
+ for (int iy=0;iy<ny;iy++) {
+ int isg = fNYSegDip+iy;
+ printf("\n YSegment#%d %+e : %+e\n",iy, tmpSegY[iy],tmpSegY[iy+1]);
+ int nx = SegmentDimension(&tmpSegX, fParamsDip, fNParamsDip, 0,
+ 1,-1, tmpSegY[iy],tmpSegY[iy+1], tmpSegZ[iz],tmpSegZ[iz+1]) - 1;
+ //
+ segX.Set(nx + fNXSegDip);
+ for (int ix=0;ix<nx;ix++) segX[fNXSegDip+ix] = tmpSegX[ix];
+ begSegXDip[isg] = fNXSegDip;
+ nsegXDip[isg] = nx;
+ printf(" Found %d XSegments, to start from %d\n",nx, begSegXDip[isg]);
+ //
+ segID.Set(fNXSegDip+nx);
+ //
+ // find corresponding params
+ xyz[1] = (tmpSegY[iy]+tmpSegY[iy+1])/2.; // mean Y of this segment
+ //
+ for (int ix=0;ix<nx;ix++) {
+ xyz[0] = (tmpSegX[ix]+tmpSegX[ix+1])/2.; // mean X of this segment
+ for (int ipar=0;ipar<fNParamsDip;ipar++) {
+ AliCheb3D* cheb = (AliCheb3D*) fParamsDip->At(ipar);
+ if (!cheb->IsInside(xyz)) continue;
+ segID[fNXSegDip+ix] = ipar;
+ break;
+ }
+ }
+ fNXSegDip += nx;
+ //
+ delete[] tmpSegX;
+ }
+ delete[] tmpSegY;
+ fNYSegDip += ny;
+ }
+ //
+ fMinZDip = tmpSegZ[0];
+ fMaxZDip = tmpSegZ[fNZSegDip];
+ fSegZDip = new Float_t[fNZSegDip];
+ for (int i=fNZSegDip;i--;) fSegZDip[i] = tmpSegZ[i];
+ delete[] tmpSegZ;
+ //
+ fSegYDip = new Float_t[fNYSegDip];
+ fSegXDip = new Float_t[fNXSegDip];
+ fBegSegYDip = new Int_t[fNZSegDip];
+ fNSegYDip = new Int_t[fNZSegDip];
+ fBegSegXDip = new Int_t[fNYSegDip];
+ fNSegXDip = new Int_t[fNYSegDip];
+ fSegIDDip = new Int_t[fNXSegDip];
+ //
+ for (int i=fNYSegDip;i--;) fSegYDip[i] = segY[i];
+ for (int i=fNXSegDip;i--;) fSegXDip[i] = segX[i];
+ for (int i=fNZSegDip;i--;) {fBegSegYDip[i] = begSegYDip[i]; fNSegYDip[i] = nsegYDip[i];}
+ for (int i=fNYSegDip;i--;) {fBegSegXDip[i] = begSegXDip[i]; fNSegXDip[i] = nsegXDip[i];}
+ for (int i=fNXSegDip;i--;) {fSegIDDip[i] = segID[i];}
//
- if (fMeasuredMap) fMeasuredMap->Field(xyz,b);
- for (int i=3;i--;) b[i] *= fFactor;
}
+*/
-//_______________________________________________________________________
-AliMagWrapCheb& AliMagWrapCheb::operator=(const AliMagWrapCheb& maps)
+//________________________________________________________________
+void AliMagWrapCheb::SaveData(const char* outfile) const
{
- if (this != &maps && maps.fMeasuredMap) {
- if (fMeasuredMap) delete fMeasuredMap;
- fMeasuredMap = new AliMagFCheb(*maps.fMeasuredMap);
+ // writes coefficients data to output text file
+ TString strf = outfile;
+ gSystem->ExpandPathName(strf);
+ FILE* stream = fopen(strf,"w+");
+ //
+ // Sol part ---------------------------------------------------------
+ fprintf(stream,"# Set of Chebyshev parameterizations for ALICE magnetic field\nSTART %s\n",GetName());
+ fprintf(stream,"START SOLENOID\n#Number of pieces\n%d\n",fNParamsSol);
+ for (int ip=0;ip<fNParamsSol;ip++) GetParamSol(ip)->SaveData(stream);
+ fprintf(stream,"#\nEND SOLENOID\n");
+ //
+ // TPCInt part ---------------------------------------------------------
+ fprintf(stream,"# Set of Chebyshev parameterizations for ALICE magnetic field\nSTART %s\n",GetName());
+ fprintf(stream,"START TPCINT\n#Number of pieces\n%d\n",fNParamsTPC);
+ for (int ip=0;ip<fNParamsTPC;ip++) GetParamTPCInt(ip)->SaveData(stream);
+ fprintf(stream,"#\nEND TPCINT\n");
+ //
+ // TPCRatInt part ---------------------------------------------------------
+ fprintf(stream,"# Set of Chebyshev parameterizations for ALICE magnetic field\nSTART %s\n",GetName());
+ fprintf(stream,"START TPCRatINT\n#Number of pieces\n%d\n",fNParamsTPCRat);
+ for (int ip=0;ip<fNParamsTPCRat;ip++) GetParamTPCRatInt(ip)->SaveData(stream);
+ fprintf(stream,"#\nEND TPCRatINT\n");
+ //
+ // Dip part ---------------------------------------------------------
+ fprintf(stream,"START DIPOLE\n#Number of pieces\n%d\n",fNParamsDip);
+ for (int ip=0;ip<fNParamsDip;ip++) GetParamDip(ip)->SaveData(stream);
+ fprintf(stream,"#\nEND DIPOLE\n");
+ //
+ fprintf(stream,"#\nEND %s\n",GetName());
+ //
+ fclose(stream);
+ //
+}
+
+Int_t AliMagWrapCheb::SegmentDimension(float** seg,const TObjArray* par,int npar, int dim,
+ float xmn,float xmx,float ymn,float ymx,float zmn,float zmx)
+{
+ // find all boundaries in deimension dim for boxes in given region.
+ // if mn>mx for given projection the check is not done for it.
+ float *tmpC = new float[2*npar];
+ int *tmpInd = new int[2*npar];
+ int nseg0 = 0;
+ for (int ip=0;ip<npar;ip++) {
+ AliCheb3D* cheb = (AliCheb3D*) par->At(ip);
+ if (xmn<xmx && (cheb->GetBoundMin(0)>(xmx+xmn)/2 || cheb->GetBoundMax(0)<(xmn+xmx)/2)) continue;
+ if (ymn<ymx && (cheb->GetBoundMin(1)>(ymx+ymn)/2 || cheb->GetBoundMax(1)<(ymn+ymx)/2)) continue;
+ if (zmn<zmx && (cheb->GetBoundMin(2)>(zmx+zmn)/2 || cheb->GetBoundMax(2)<(zmn+zmx)/2)) continue;
+ //
+ tmpC[nseg0++] = cheb->GetBoundMin(dim);
+ tmpC[nseg0++] = cheb->GetBoundMax(dim);
+ }
+ // range Dim's boundaries in increasing order
+ TMath::Sort(nseg0,tmpC,tmpInd,kFALSE);
+ // count number of really different Z's
+ int nseg = 0;
+ float cprev = -1e6;
+ for (int ip=0;ip<nseg0;ip++) {
+ if (TMath::Abs(cprev-tmpC[ tmpInd[ip] ])>1e-4) {
+ cprev = tmpC[ tmpInd[ip] ];
+ nseg++;
+ }
+ else tmpInd[ip] = -1; // supress redundant Z
}
- return *this;
+ //
+ *seg = new float[nseg]; // create final Z segmenations
+ nseg = 0;
+ for (int ip=0;ip<nseg0;ip++) if (tmpInd[ip]>=0) (*seg)[nseg++] = tmpC[ tmpInd[ip] ];
+ //
+ delete[] tmpC;
+ delete[] tmpInd;
+ return nseg;
}
+
+#endif
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff