/**************************************************************************
- * Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. *
+ * Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
//_________________________________________________________________________
// Main class for TRD1 geometry of Shish-Kebab case.
-// Author: Aleksei Pavlinov(WSU).
-// Sep 20004.
+// Author: Alexei Pavlinov(WSU).
+// Sep 20004 - Nov 2006; Apr 2010
// 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::fgangle=0.; // around one degree
Double_t AliEMCALShishKebabTrd1Module::fgtanBetta=0; //
-AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(Double_t theta, AliEMCALGeometry *g) : TNamed()
+//_____________________________________________________________________________
+AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(Double_t theta, AliEMCALEMCGeometry *g)
+ : TNamed(),
+ fGeometry(g),
+ 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;
- if(GetParameters()) {
- DefineFirstModule();
- }
- } else Warning("AliEMCALShishKebabTrd1Module(theta)","You should call this constractor just once !!");
+ // ctor
+
+ TString snam(g->GetName());
+ Int_t key=0;
+ if (snam.Contains("v1",TString::kIgnoreCase)) key=1; //EMCAL_COMPLETEV1 vs EMCAL_COMPLETEv1 (or other)
+
+ if(GetParameters()) {
+ DefineFirstModule(key);
+ }
DefineName(fTheta);
- cout<< "AliEMCALShishKebabTrd1Module - first module: theta " << fTheta << " geometry " << g << endl;
+ AliDebug(10,Form("AliEMCALShishKebabTrd1Module - first module key=%i: theta %1.4f geometry %s\n",key,fTheta, g->GetName()));
}
-AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor) : TNamed()
+//_____________________________________________________________________________
+AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor)
+ : TNamed(),
+ fGeometry(leftNeighbor.fGeometry),
+ fOK(),
+ fA(0.),
+ fB(0.),
+ fThetaA(0.),
+ fTheta(0.),
+ fOK1(),
+ fOK2(),
+ fOB(),
+ fOB1(),
+ fOB2(),
+ fThetaOB1(0.),
+ fThetaOB2(0.),
+ fOK3X3(),
+ fORB(),
+ fORT()
{
+
+ // ctor
+
// 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()),
+ fGeometry(mod.fGeometry),
+ 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
+
+ for (Int_t i=0; i<3; i++) fOK3X3[i] = mod.fOK3X3[i];
+}
+
+//________________________________________________________________
void AliEMCALShishKebabTrd1Module::Init(Double_t A, Double_t B)
{
// Define parameter module from parameters A,B from previos.
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);
}
-void AliEMCALShishKebabTrd1Module::DefineFirstModule()
+//_____________________________________________________________________________
+void AliEMCALShishKebabTrd1Module::DefineFirstModule(const Int_t key)
{
- // Define first module
- fOK.Set(fga2/2., fgr + fgb/2.); // position the center of module vs o
+ // Oct 23-25, 2010
+ // key=0 - zero tilt of first module;
+ // key=1 - angle=fgangle/2 = 0.75 degree.
+ // This is what we have in produced SM.
- // parameters of right line : y = A*z + B in system where zero point is IP.
- fThetaA = fTheta - fgangle/2.;
- fA = TMath::Tan(fThetaA);
- Double_t xA = fga/2. + fga2/2., yA = fgr;
- fB = yA - fA*xA;
+ // Define first module
+ if(key==0) {
+ // theta in radians ; first object theta=pi/2.
+ fTheta = TMath::PiOver2();
+ fOK.Set(fga2/2., fgr + fgb/2.); // position the center of module vs o
- 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);
+ // parameters of right line : y = A*z + B in system where zero point is IP.
+ fThetaA = fTheta - fgangle/2.;
+ fA = TMath::Tan(fThetaA);
+ Double_t xA = fga/2. + fga2/2.;
+ Double_t yA = fgr;
+ fB = yA - fA*xA;
- 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());
+ } else if(key==1) {
+ // theta in radians ; first object theta = 90-0.75 = 89.25 degree
+ fTheta = 89.25*TMath::DegToRad();
+ Double_t al1 = fgangle/2.;
+ Double_t x = 0.5*(fga*TMath::Cos(al1) + fgb*TMath::Sin(al1));
+ Double_t y = 0.5*(fgb + fga*TMath::Sin(al1))*TMath::Cos(al1);
+ fOK.Set(x, fgr + y);
+ // parameters of right line : y = A*z + B in system where zero point is IP.
+ fThetaA = fTheta - fgangle/2.;
+ fA = TMath::Tan(fThetaA);
+ Double_t xA = fga*TMath::Cos(al1);
+ Double_t yA = fgr;
+ fB = yA - fA*xA;
+ } else {
+ printf("<E> key=%i : wrong case \n",key);
+ assert(0);
+ }
TObject::SetUniqueID(1); //
+
+ DefineAllStaff();
}
+//_____________________________________________________________________________
void AliEMCALShishKebabTrd1Module::DefineName(Double_t theta)
{
// Define name of object
SetName(Form("%2i(%5.2f)", TObject::GetUniqueID(), theta*TMath::RadToDeg()));
}
+//_____________________________________________________________________________
Bool_t AliEMCALShishKebabTrd1Module::GetParameters()
{
- // Get needing module parameters from EMCAL geometry
- if(!fgGeometry) fgGeometry = AliEMCALGeometry::GetInstance();
- TString sn(fgGeometry->GetName()); // 2-Feb-05
- sn.ToUpper();
- if(!fgGeometry) {
+
+ // Get needing module parameters from EMCAL geometry
+
+ if(!fGeometry) {
Warning("GetParameters()"," No geometry ");
return kFALSE;
- }
-
- fga = (Double_t)fgGeometry->GetEtaModuleSize();
- fgb = (Double_t)fgGeometry->GetLongModuleSize();
- fgangle = Double_t(fgGeometry->GetTrd1Angle())*TMath::DegToRad();
+ }
+
+ TString sn(fGeometry->GetName()); // 2-Feb-05
+ sn.ToUpper();
+
+ fga = (Double_t)fGeometry->GetEtaModuleSize();
+ fgb = (Double_t)fGeometry->GetLongModuleSize();
+ fgangle = Double_t(fGeometry->GetTrd1Angle())*TMath::DegToRad();
fgtanBetta = TMath::Tan(fgangle/2.);
- fgr = (Double_t)fgGeometry->GetIPDistance();
- if(!sn.Contains("TRD2")) fgr += fgGeometry->GetSteelFrontThickness();
- fga2 = Double_t(fgGeometry->Get2Trd1Dx2());
+ fgr = (Double_t)fGeometry->GetIPDistance();
+
+ fgr += fGeometry->GetSteelFrontThickness();
+
+ fga2 = Double_t(fGeometry->Get2Trd1Dx2());
//PH PrintShish(0);
return kTRUE;
}
// service methods
+//_____________________________________________________________________________
void AliEMCALShishKebabTrd1Module::PrintShish(int pri) const
{
// service method
- if(pri>=0) {
- printf("PrintShish() \n a %7.3f:%7.3f | b %7.2f | r %7.2f \n TRD1 angle %7.6f(%5.2f) | tanBetta %7.6f",
- fga, fga2, fgb, fgr, fgangle, fgangle*TMath::RadToDeg(), fgtanBetta);
- printf(" fTheta %f : %5.2f : cos(theta) %f\n",
- fTheta, GetThetaInDegree(),TMath::Cos(fTheta));
- if(pri>=1) {
- printf(" %i |%s| theta %f : fOK.Phi = %f(%5.2f)\n",
+ if(pri>=0) {
+ if(pri >= 1) {
+ printf("PrintShish() \n a %7.3f:%7.3f | b %7.2f | r %7.2f \n TRD1 angle %7.6f(%5.2f) | tanBetta %7.6f",
+ fga, fga2, fgb, fgr, fgangle, fgangle*TMath::RadToDeg(), fgtanBetta);
+ printf(" fTheta %f : %5.2f : cos(theta) %f\n",
+ fTheta, GetThetaInDegree(),TMath::Cos(fTheta));
+ printf(" OK : %i |%s| theta %f : phi = %f(%5.2f) \n",
GetUniqueID(), GetName(), fTheta, fOK.Phi(),fOK.Phi()*TMath::RadToDeg());
+ }
+ printf(" y %9.3f x %9.3f xrb %9.3f (right bottom on r=%9.3f ) \n",
+ fOK.X(), fOK.Y(), fORB.X(),fORB.Y());
+ if(pri>=2) {
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);
}
}
}
+//_____________________________________________________________________________
Double_t AliEMCALShishKebabTrd1Module::GetThetaInDegree() const
{
return fTheta*TMath::RadToDeg();
}
+//_____________________________________________________________________________
Double_t AliEMCALShishKebabTrd1Module::GetEtaOfCenterOfModule() const
{
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 = fTheta;
+ } else if(ieta==1) {
+ v = fOB1;
+ theta = fTheta;
+ } else {
+ assert(0);
+ }
+
+ x = v.X() + TMath::Cos(theta) * dist;
+ y = v.Y() + TMath::Sin(theta) * dist;
+ // printf(" GetPositionAtCenterCellLine() %s : dist %f : ieta %i : x %f %f v.X() | y %f %f v.Y() : cos %f sin %f \n",
+ //GetName(), dist, ieta, v.X(),x, y,v.Y(),TMath::Cos(theta),TMath::Sin(theta));
+ v.Set(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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