#include "AliMagWrapCheb.h"
#include "AliLog.h"
#include <TSystem.h>
#include <TArrayF.h>
#include <TArrayI.h>
ClassImp(AliMagWrapCheb)
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)
#ifdef _MAGCHEB_CACHE_
,fCacheSol(0),fCacheDip(0),fCacheTPCInt(0),fCacheTPCRat(0)
#endif
{
}
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)
#ifdef _MAGCHEB_CACHE_
,fCacheSol(0),fCacheDip(0),fCacheTPCInt(0),fCacheTPCRat(0)
#endif
{
CopyFrom(src);
}
void AliMagWrapCheb::CopyFrom(const AliMagWrapCheb& src)
{
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)
{
if (this != &rhs) {
Clear();
CopyFrom(rhs);
}
return *this;
}
void AliMagWrapCheb::Clear(const Option_t *)
{
if (fNParamsSol) {
fParamsSol->SetOwner(kTRUE);
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) {
fParamsTPC->SetOwner(kTRUE);
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) {
fParamsTPCRat->SetOwner(kTRUE);
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) {
fParamsDip->SetOwner(kTRUE);
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;
#ifdef _MAGCHEB_CACHE_
fCacheSol = 0;
fCacheDip = 0;
fCacheTPCInt = 0;
fCacheTPCRat = 0;
#endif
}
void AliMagWrapCheb::Field(const Double_t *xyz, Double_t *b) const
{
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);
#ifdef _MAGCHEB_CACHE_
if (fCacheSol && fCacheSol->IsInside(rphiz))
fCacheSol->Eval(rphiz,b);
else
#endif //_MAGCHEB_CACHE_
FieldCylSol(rphiz,b);
CylToCartCylB(rphiz, b,b);
return;
}
#ifdef _MAGCHEB_CACHE_
if (fCacheDip && fCacheDip->IsInside(xyz)) {
fCacheDip->Eval(xyz,b);
return;
}
#else //_MAGCHEB_CACHE_
AliCheb3D* fCacheDip = 0;
#endif //_MAGCHEB_CACHE_
int iddip = FindDipSegment(xyz);
if (iddip>=0) {
fCacheDip = GetParamDip(iddip);
#ifndef _BRING_TO_BOUNDARY_
if (!fCacheDip->IsInside(xyz)) return;
#endif //_BRING_TO_BOUNDARY_
fCacheDip->Eval(xyz,b);
}
}
Double_t AliMagWrapCheb::GetBz(const Double_t *xyz) const
{
Double_t rphiz[3];
if (xyz[2]>fMinZSol) {
CartToCyl(xyz,rphiz);
#ifdef _MAGCHEB_CACHE_
if (fCacheSol && fCacheSol->IsInside(rphiz)) return fCacheSol->Eval(rphiz,2);
#endif //_MAGCHEB_CACHE_
return FieldCylSolBz(rphiz);
}
#ifdef _MAGCHEB_CACHE_
if (fCacheDip && fCacheDip->IsInside(xyz)) return fCacheDip->Eval(xyz,2);
#else //_MAGCHEB_CACHE_
AliCheb3D* fCacheDip = 0;
#endif //_MAGCHEB_CACHE_
int iddip = FindDipSegment(xyz);
if (iddip>=0) {
fCacheDip = GetParamDip(iddip);
#ifndef _BRING_TO_BOUNDARY_
if (!fCacheDip->IsInside(xyz)) return 0.;
#endif // _BRING_TO_BOUNDARY_
return fCacheDip->Eval(xyz,2);
}
return 0;
}
void AliMagWrapCheb::Print(Option_t *) const
{
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
{
if (!fNParamsDip) return -1;
int xid,yid,zid = TMath::BinarySearch(fNZSegDip,fSegZDip,(Float_t)xyz[2]);
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;
if (!reCheck && (xyz[2] - fSegZDip[zid] < 3.e-5) && zid &&
!GetParamDip(fSegIDDip[xid])->IsInside(xyz)) {
zid--;
reCheck = kTRUE;
continue;
}
break;
}
return fSegIDDip[xid];
}
Int_t AliMagWrapCheb::FindSolSegment(const Double_t *rpz) const
{
if (!fNParamsSol) return -1;
int rid,pid,zid = TMath::BinarySearch(fNZSegSol,fSegZSol,(Float_t)rpz[2]);
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;
if (!reCheck && (rpz[2] - fSegZSol[zid] < 3.e-5) && zid &&
!GetParamSol(fSegIDSol[rid])->IsInside(rpz)) {
zid--;
reCheck = kTRUE;
continue;
}
break;
}
return fSegIDSol[rid];
}
Int_t AliMagWrapCheb::FindTPCSegment(const Double_t *rpz) const
{
if (!fNParamsTPC) return -1;
int rid,pid,zid = TMath::BinarySearch(fNZSegTPC,fSegZTPC,(Float_t)rpz[2]);
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;
if (!reCheck && (rpz[2] - fSegZTPC[zid] < 3.e-5) && zid &&
!GetParamTPCInt(fSegIDTPC[rid])->IsInside(rpz)) {
zid--;
reCheck = kTRUE;
continue;
}
break;
}
return fSegIDTPC[rid];
}
Int_t AliMagWrapCheb::FindTPCRatSegment(const Double_t *rpz) const
{
if (!fNParamsTPCRat) return -1;
int rid,pid,zid = TMath::BinarySearch(fNZSegTPCRat,fSegZTPCRat,(Float_t)rpz[2]);
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;
if (!reCheck && (rpz[2] - fSegZTPCRat[zid] < 3.e-5) && zid &&
!GetParamTPCRatInt(fSegIDTPCRat[rid])->IsInside(rpz)) {
zid--;
reCheck = kTRUE;
continue;
}
break;
}
return fSegIDTPCRat[rid];
}
void AliMagWrapCheb::GetTPCInt(const Double_t *xyz, Double_t *b) const
{
static Double_t rphiz[3];
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);
CylToCartCylB(rphiz, b,b);
}
void AliMagWrapCheb::GetTPCRatInt(const Double_t *xyz, Double_t *b) const
{
static Double_t rphiz[3];
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);
CylToCartCylB(rphiz, b,b);
}
void AliMagWrapCheb::FieldCylSol(const Double_t *rphiz, Double_t *b) const
{
int id = FindSolSegment(rphiz);
if (id>=0) {
#ifndef _MAGCHEB_CACHE_
AliCheb3D* fCacheSol = 0;
#endif
fCacheSol = GetParamSol(id);
#ifndef _BRING_TO_BOUNDARY_ // exact matching to fitted volume is requested
if (!fCacheSol->IsInside(rphiz)) return;
#endif
fCacheSol->Eval(rphiz,b);
}
}
Double_t AliMagWrapCheb::FieldCylSolBz(const Double_t *rphiz) const
{
int id = FindSolSegment(rphiz);
if (id<0) return 0.;
#ifndef _MAGCHEB_CACHE_
AliCheb3D* fCacheSol = 0;
#endif
fCacheSol = GetParamSol(id);
#ifndef _BRING_TO_BOUNDARY_
return fCacheSol->IsInside(rphiz) ? fCacheSol->Eval(rphiz,2) : 0;
#else
return fCacheSol->Eval(rphiz,2);
#endif
}
void AliMagWrapCheb::GetTPCIntCyl(const Double_t *rphiz, Double_t *b) const
{
#ifdef _MAGCHEB_CACHE_
if (fCacheTPCInt && fCacheTPCInt->IsInside(rphiz)) {
fCacheTPCInt->Eval(rphiz,b);
return;
}
#else //_MAGCHEB_CACHE_
AliCheb3D* fCacheTPCInt = 0;
#endif //_MAGCHEB_CACHE_
int id = FindTPCSegment(rphiz);
if (id>=0) {
fCacheTPCInt = GetParamTPCInt(id);
if (fCacheTPCInt->IsInside(rphiz)) {
fCacheTPCInt->Eval(rphiz,b);
return;
}
}
b[0] = b[1] = b[2] = 0;
}
void AliMagWrapCheb::GetTPCRatIntCyl(const Double_t *rphiz, Double_t *b) const
{
#ifdef _MAGCHEB_CACHE_
if (fCacheTPCRat && fCacheTPCRat->IsInside(rphiz)) {
fCacheTPCRat->Eval(rphiz,b);
return;
}
#else
AliCheb3D* fCacheTPCRat = 0;
#endif //_MAGCHEB_CACHE_
int id = FindTPCRatSegment(rphiz);
if (id>=0) {
fCacheTPCRat = GetParamTPCRatInt(id);
if (fCacheTPCRat->IsInside(rphiz)) {
fCacheTPCRat->Eval(rphiz,b);
return;
}
}
b[0] = b[1] = b[2] = 0;
}
#ifdef _INC_CREATION_ALICHEB3D_
void AliMagWrapCheb::LoadData(const char* inpfile)
{
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")) AliFatalF("Expected: \"START <name>\", found \"%s\"",buffs.Data());
if (buffs.First(' ')>0) SetName(buffs.Data()+buffs.First(' ')+1);
AliCheb3DCalc::ReadLine(buffs,stream);
if (!buffs.BeginsWith("START SOLENOID")) AliFatalF("Expected: \"START SOLENOID\", found \"%s\"",buffs.Data());
AliCheb3DCalc::ReadLine(buffs,stream);
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")) AliFatalF("Expected \"END SOLENOID\", found \"%s\"",buffs.Data());
AliCheb3DCalc::ReadLine(buffs,stream);
if (!buffs.BeginsWith("START TPCINT")) AliFatalF("Expected: \"START TPCINT\", found \"%s\"",buffs.Data());
AliCheb3DCalc::ReadLine(buffs,stream);
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")) AliFatalF("Expected \"END TPCINT\", found \"%s\"",buffs.Data());
AliCheb3DCalc::ReadLine(buffs,stream);
if (!buffs.BeginsWith("START TPCRatINT")) AliFatalF("Expected: \"START TPCRatINT\", found \"%s\"",buffs.Data());
AliCheb3DCalc::ReadLine(buffs,stream);
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")) AliFatalF("Expected \"END TPCRatINT\", found \"%s\"",buffs.Data());
AliCheb3DCalc::ReadLine(buffs,stream);
if (!buffs.BeginsWith("START DIPOLE")) AliFatalF("Expected: \"START DIPOLE\", found \"%s\"",buffs.Data());
AliCheb3DCalc::ReadLine(buffs,stream);
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")) AliFatalF("Expected \"END DIPOLE\", found \"%s\"",buffs.Data());
AliCheb3DCalc::ReadLine(buffs,stream);
if (!buffs.BeginsWith("END ") && !buffs.Contains(GetName())) AliFatalF("Expected: \"END %s\", found \"%s\"",GetName(),buffs.Data());
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);
}
void AliMagWrapCheb::BuildTableDip()
{
BuildTable(fNParamsDip,fParamsDip,
fNZSegDip,fNYSegDip,fNXSegDip,
fMinZDip,fMaxZDip,
&fSegZDip,&fSegYDip,&fSegXDip,
&fBegSegYDip,&fNSegYDip,
&fBegSegXDip,&fNSegXDip,
&fSegIDDip);
}
void AliMagWrapCheb::BuildTableTPCInt()
{
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)
#ifdef _MAGCHEB_CACHE_
,fCacheSol(0),fCacheDip(0),fCacheTPCInt(0),fCacheTPCRat(0)
#endif
{
LoadData(inputFile);
}
void AliMagWrapCheb::AddParamSol(const AliCheb3D* param)
{
if (!fParamsSol) fParamsSol = new TObjArray();
fParamsSol->Add( (AliCheb3D*)param );
fNParamsSol++;
if (fMaxRSol<param->GetBoundMax(0)) fMaxRSol = param->GetBoundMax(0);
}
void AliMagWrapCheb::AddParamTPCInt(const AliCheb3D* param)
{
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)
{
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)
{
if (!fParamsDip) fParamsDip = new TObjArray();
fParamsDip->Add( (AliCheb3D*)param);
fNParamsDip++;
}
void AliMagWrapCheb::ResetDip()
{
if (fNParamsDip) {
delete fParamsDip; fParamsDip = 0;
delete[] fSegZDip; fSegZDip = 0;
delete[] fSegXDip; fSegXDip = 0;
delete[] fSegYDip; fSegYDip = 0;
delete[] fBegSegYDip; fBegSegYDip = 0;
delete[] fNSegYDip; fNSegYDip = 0;
delete[] fBegSegXDip; fBegSegXDip = 0;
delete[] fNSegXDip; fNSegXDip = 0;
delete[] fSegIDDip; fSegIDDip = 0;
}
fNParamsDip = fNZSegDip = fNXSegDip = fNYSegDip = 0;
fMinZDip = 1e6;
fMaxZDip = -1e6;
}
void AliMagWrapCheb::ResetSol()
{
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;
}
void AliMagWrapCheb::ResetTPCInt()
{
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()
{
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)
{
if (npar<1) return;
TArrayF segYArr,segXArr;
TArrayI begSegYDipArr,begSegXDipArr;
TArrayI nSegYDipArr,nSegXDipArr;
TArrayI segIDArr;
float *tmpSegZ,*tmpSegY,*tmpSegX;
nZSeg = SegmentDimension(&tmpSegZ, parArr, npar, 2, 1,-1, 1,-1, 1,-1) - 1;
nYSeg = 0;
nXSeg = 0;
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]);
begSegXDipArr.Set(nYSeg+ny);
nSegXDipArr.Set(nYSeg+ny);
xyz[2] = (tmpSegZ[iz]+tmpSegZ[iz+1])/2.;
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);
xyz[1] = (tmpSegY[iy]+tmpSegY[iy+1])/2.;
for (int ix=0;ix<nx;ix++) {
xyz[0] = (tmpSegX[ix]+tmpSegX[ix+1])/2.;
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::SaveData(const char* outfile) const
{
TString strf = outfile;
gSystem->ExpandPathName(strf);
FILE* stream = fopen(strf,"w+");
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");
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");
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");
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)
{
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);
}
TMath::Sort(nseg0,tmpC,tmpInd,kFALSE);
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;
}
*seg = new float[nseg];
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