//_________________________________________________________________________
// Main class for TRD1 geometry of Shish-Kebab case.
// Author: Aleksei Pavlinov(WSU).
-// Sep 20004.
+// Sep 20004 - Nov 2006
// See web page with description of Shish-Kebab geometries:
// http://pdsfweb01.nersc.gov/~pavlinov/ALICE/SHISHKEBAB/RES/shishkebabALICE.html
+// Nov 9,2006 - added case of 3X3
//_________________________________________________________________________
+#include "AliLog.h"
#include "AliEMCALShishKebabTrd1Module.h"
-//#include <assert.h>
-#include "AliEMCALGeometry.h"
+#include "AliEMCALEMCGeometry.h"
-#include <Riostream.h>
-#include <TMath.h>
+#include <cassert>
ClassImp(AliEMCALShishKebabTrd1Module)
- AliEMCALGeometry *AliEMCALShishKebabTrd1Module::fgGeometry=0;
+ AliEMCALEMCGeometry *AliEMCALShishKebabTrd1Module::fgGeometry=0;
Double_t AliEMCALShishKebabTrd1Module::fga=0.;
Double_t AliEMCALShishKebabTrd1Module::fga2=0.;
Double_t AliEMCALShishKebabTrd1Module::fgb=0.;
Double_t AliEMCALShishKebabTrd1Module::fgtanBetta=0; //
//_____________________________________________________________________________
-AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(Double_t theta, AliEMCALGeometry *g) : TNamed()
+AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(Double_t theta, AliEMCALEMCGeometry *g)
+ : TNamed(),
+ fOK(),
+ fA(0.),
+ fB(0.),
+ fThetaA(0.),
+ fTheta(theta),
+ fOK1(),
+ fOK2(),
+ fOB(),
+ fOB1(),
+ fOB2(),
+ fThetaOB1(0.),
+ fThetaOB2(0.),
+ fOK3X3(),
+ fORB(),
+ fORT()
{
// theta in radians ; first object shold be with theta=pi/2.
- fTheta = theta;
if(fgGeometry==0) {
fTheta = TMath::PiOver2();
fgGeometry = g;
}
} else Warning("AliEMCALShishKebabTrd1Module(theta)","You should call this constractor just once !!");
DefineName(fTheta);
- cout<< "AliEMCALShishKebabTrd1Module - first module: theta " << fTheta << " geometry " << g << endl;
+ AliDebug(1,Form("AliEMCALShishKebabTrd1Module - first module: theta %1.4f geometry %s",fTheta,g->GetName()));
}
//_____________________________________________________________________________
-AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor) : TNamed()
+AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor)
+ : TNamed(),
+ fOK(),
+ fA(0.),
+ fB(0.),
+ fThetaA(0.),
+ fTheta(0.),
+ fOK1(),
+ fOK2(),
+ fOB(),
+ fOB1(),
+ fOB2(),
+ fThetaOB1(0.),
+ fThetaOB2(0.),
+ fOK3X3(),
+ fORB(),
+ fORT()
{
// printf("** Left Neighbor : %s **\n", leftNeighbor.GetName());
- TObject::SetUniqueID(leftNeighbor.GetUniqueID()+1);
fTheta = leftNeighbor.GetTheta() - fgangle;
+
+ TObject::SetUniqueID(leftNeighbor.GetUniqueID()+1);
+
Init(leftNeighbor.GetA(),leftNeighbor.GetB());
}
//________________________________________________________________
-AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(const AliEMCALShishKebabTrd1Module& mod) : TNamed(mod.GetName(),mod.GetTitle())
+AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(const AliEMCALShishKebabTrd1Module& mod)
+ : TNamed(mod.GetName(),mod.GetTitle()),
+ fOK(mod.fOK),
+ fA(mod.fA),
+ fB(mod.fB),
+ fThetaA(mod.fThetaA),
+ fTheta(mod.fTheta),
+ fOK1(mod.fOK1),
+ fOK2(mod.fOK2),
+ fOB(mod.fOB),
+ fOB1(mod.fOB1),
+ fOB2(mod.fOB2),
+ fThetaOB1(mod.fThetaOB1),
+ fThetaOB2(mod.fThetaOB2),
+ fORB(mod.fORB),
+ fORT(mod.fORT)
{
//copy ctor
- fOK = mod.fOK;
- fA = mod.fA;
- fB = mod.fB;
- fThetaA = mod.fThetaA;
- fTheta = mod.fTheta;
- fOK1 = mod.fOK1;
- fOK2 = mod.fOK2;
- fOB = mod.fOB;
- fOB1 = mod.fOB1;
- fOB2 = mod.fOB2;
-
+ for (Int_t i=0; i<3; i++) fOK3X3[i] = mod.fOK3X3[i];
}
//________________________________________________________________
fA = TMath::Tan(fThetaA); // !!
fB = yA - fA*xA;
+ DefineAllStaff();
+}
+
+void AliEMCALShishKebabTrd1Module::DefineAllStaff()
+{
+ //Define some parameters
DefineName(fTheta);
- // Centers of module
+ // Centers of cells - 2X2 case
Double_t kk1 = (fga+fga2)/(2.*4.); // kk1=kk2
Double_t xk1 = fOK.X() - kk1*TMath::Sin(fTheta);
Double_t yk2 = fOK.Y() - kk1*TMath::Cos(fTheta) - fgr;
fOK2.Set(xk2,yk2);
- // May 15, 2006; position of cell face of cells
+ // Centers of cells - 3X3 case; Nov 9,2006
+ fOK3X3[1].Set(fOK.X(), fOK.Y()-fgr); // coincide with module center
+
+ kk1 = ((fga+fga2)/4. + fga/6.)/2.;
+
+ xk1 = fOK.X() - kk1*TMath::Sin(fTheta);
+ yk1 = fOK.Y() + kk1*TMath::Cos(fTheta) - fgr;
+ fOK3X3[0].Set(xk1,yk1);
+
+ xk2 = fOK.X() + kk1*TMath::Sin(fTheta);
+ yk2 = fOK.Y() - kk1*TMath::Cos(fTheta) - fgr;
+ fOK3X3[2].Set(xk2,yk2);
+
+ // May 15, 2006; position of module(cells) center face
fOB.Set(fOK.X()-fgb/2.*TMath::Cos(fTheta), fOK.Y()-fgb/2.*TMath::Sin(fTheta)-fgr);
fOB1.Set(fOB.X()-fga/4.*TMath::Sin(fTheta), fOB.Y()+fga/4.*TMath::Cos(fTheta));
fOB2.Set(fOB.X()+fga/4.*TMath::Sin(fTheta), fOB.Y()-fga/4.*TMath::Cos(fTheta));
+ // Jul 30, 2007 - for taking into account a position of shower maximum
+ fThetaOB1 = fTheta - fgangle/4.; // ??
+ fThetaOB2 = fTheta + fgangle/4.;
+
+ // Position of right/top point of module
+ // Gives the posibility to estimate SM size in z direction
+ Double_t xBottom = (fgr - fB) / fA;
+ Double_t yBottom = fgr;
+ fORB.Set(xBottom, yBottom);
+
+ Double_t l = fgb / TMath::Cos(fgangle/2.); // length of lateral module side
+ Double_t xTop = xBottom + l*TMath::Cos(TMath::ATan(fA));
+ Double_t yTop = fA*xTop + fB;
+ fORT.Set(xTop, yTop);
}
//_____________________________________________________________________________
Double_t xA = fga/2. + fga2/2., yA = fgr;
fB = yA - fA*xA;
- Double_t kk1 = (fga+fga2)/(2.*4.); // kk1=kk2
- fOK1.Set(fOK.X() - kk1, fOK.Y()-fgr);
- fOK2.Set(fOK.X() + kk1, fOK.Y()-fgr);
-
- fOB.Set(fOK.X(),fOK.Y()-fgb/2.-fgr);
- fOB1.Set(fOB.X()-fga/4., fOB.Y());
- fOB2.Set(fOB.X()+fga/4., fOB.Y());
-
TObject::SetUniqueID(1); //
+
+ DefineAllStaff();
}
//_____________________________________________________________________________
//_____________________________________________________________________________
Bool_t AliEMCALShishKebabTrd1Module::GetParameters()
{
- // Get needing module parameters from EMCAL geometry
- if(!fgGeometry) fgGeometry = AliEMCALGeometry::GetInstance();
+
+ // Get needing module parameters from EMCAL geometry
TString sn(fgGeometry->GetName()); // 2-Feb-05
sn.ToUpper();
if(!fgGeometry) {
Warning("GetParameters()"," No geometry ");
return kFALSE;
}
+
fga = (Double_t)fgGeometry->GetEtaModuleSize();
fgb = (Double_t)fgGeometry->GetLongModuleSize();
fgangle = Double_t(fgGeometry->GetTrd1Angle())*TMath::DegToRad();
fgtanBetta = TMath::Tan(fgangle/2.);
fgr = (Double_t)fgGeometry->GetIPDistance();
- if(!sn.Contains("TRD2")) fgr += fgGeometry->GetSteelFrontThickness();
+
+ fgr += fgGeometry->GetSteelFrontThickness();
+
fga2 = Double_t(fgGeometry->Get2Trd1Dx2());
//PH PrintShish(0);
return kTRUE;
printf(" %i |%s| theta %f : fOK.Phi = %f(%5.2f)\n",
GetUniqueID(), GetName(), fTheta, fOK.Phi(),fOK.Phi()*TMath::RadToDeg());
printf(" A %f B %f | fThetaA %7.6f(%5.2f)\n", fA,fB, fThetaA,fThetaA*TMath::RadToDeg());
- printf(" fOK : X %9.4f: Y %9.4f \n", fOK.X(), fOK.Y());
- printf(" fOK1 : X %9.4f: Y %9.4f (local, ieta=2)\n", fOK1.X(), fOK1.Y());
- printf(" fOK2 : X %9.4f: Y %9.4f (local, ieta=1)\n\n", fOK2.X(), fOK2.Y());
+ printf(" fOK : X %9.4f: Y %9.4f : eta %5.3f\n", fOK.X(), fOK.Y(), GetEtaOfCenterOfModule());
+ printf(" fOK1 : X %9.4f: Y %9.4f : (local, ieta=2)\n", fOK1.X(), fOK1.Y());
+ printf(" fOK2 : X %9.4f: Y %9.4f : (local, ieta=1)\n\n", fOK2.X(), fOK2.Y());
printf(" fOB : X %9.4f: Y %9.4f \n", fOB.X(), fOB.Y());
printf(" fOB1 : X %9.4f: Y %9.4f (local, ieta=2)\n", fOB1.X(), fOB1.Y());
printf(" fOB2 : X %9.4f: Y %9.4f (local, ieta=1)\n", fOB2.X(), fOB2.Y());
+ // 3X3
+ printf(" 3X3 \n");
+ for(int ieta=0; ieta<3; ieta++) {
+ printf(" fOK3X3[%i] : X %9.4f: Y %9.4f (local) \n", ieta, fOK3X3[ieta].X(), fOK3X3[ieta].Y());
+ }
// fOK.Dump();
+ GetMaxEtaOfModule(pri);
}
}
}
{
return -TMath::Log(TMath::Tan(fOK.Phi()/2.));
}
+
+//_____________________________________________________________________________
+void AliEMCALShishKebabTrd1Module::GetPositionAtCenterCellLine(Int_t ieta, Double_t dist, TVector2 &v)
+{
+ // Jul 30, 2007
+ static Double_t theta=0., x=0., y=0.;
+ if(ieta==0) {
+ v = fOB2;
+ theta = fThetaOB2;
+ } else if(ieta==1) {
+ v = fOB1;
+ theta = fThetaOB1;
+ } else {
+ assert(0);
+ }
+ x = v.X() + TMath::Cos(theta) * dist;
+ y = v.Y() + TMath::Sin(theta) * dist;
+ v.Set(x,y);
+ //printf(" GetPositionAtCenterCellLine() : dist %f : ieta %i : x %f | y %f \n", dist, ieta, x, y);
+}
+
+
+//_____________________________________________________________________________
+Double_t AliEMCALShishKebabTrd1Module::GetMaxEtaOfModule(int pri) const
+{
+ // Right bottom point of module
+ Double_t thetaBottom = TMath::ATan2(fORB.Y(),fORB.X());
+ Double_t etaBottom = ThetaToEta(thetaBottom);
+ // Right top point of module
+ Double_t thetaTop = TMath::ATan2(fORT.Y(),fORT.X());
+ Double_t etaTop = ThetaToEta(thetaTop);
+
+ if(pri) {
+ printf(" Right bottom point of module : eta %5.4f : theta %6.4f (%6.2f) : x(zglob) %7.2f y(phi) %5.2f \n",
+ etaBottom, thetaBottom, thetaBottom * TMath::RadToDeg(), fORB.X(), fORB.Y());
+ printf(" Right top point of module : eta %5.4f : theta %6.4f (%6.2f) : x(zglob) %7.2f y(phi) %5.2f \n",
+ etaTop, thetaTop, thetaTop * TMath::RadToDeg(), fORT.X(), fORT.Y());
+ }
+ return etaBottom>etaTop ? etaBottom : etaTop;
+}
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