/* $Id$ */
-//*-- Author: Aleksei Pavlinov(WSU)
+//_________________________________________________________________________
+// Main class for TRD1 geometry of Shish-Kebab case.
+// Author: Aleksei Pavlinov(WSU).
+// Sep 20004.
+// See web page with description of Shish-Kebab geometries:
+// http://pdsfweb01.nersc.gov/~pavlinov/ALICE/SHISHKEBAB/RES/shishkebabALICE.html
+//_________________________________________________________________________
#include "AliEMCALShishKebabTrd1Module.h"
-#include <assert.h>
-#include <TMath.h>
+//#include <assert.h>
#include "AliEMCALGeometry.h"
+#include <Riostream.h>
+#include <TMath.h>
+
ClassImp(AliEMCALShishKebabTrd1Module)
AliEMCALGeometry *AliEMCALShishKebabTrd1Module::fgGeometry=0;
Double_t AliEMCALShishKebabTrd1Module::fga2=0.;
Double_t AliEMCALShishKebabTrd1Module::fgb=0.;
Double_t AliEMCALShishKebabTrd1Module::fgr=0.;
- Double_t AliEMCALShishKebabTrd1Module::fgangle=0.; // one degrre
+ Double_t AliEMCALShishKebabTrd1Module::fgangle=0.; // around one degree
Double_t AliEMCALShishKebabTrd1Module::fgtanBetta=0; //
-AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(double theta) : TNamed()
-{ // theta in radians ; first object shold be with theta=pi/2.
- fTheta = theta;
+//_____________________________________________________________________________
+AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(Double_t theta, AliEMCALGeometry *g)
+ : TNamed(),
+ fOK(),
+ fA(0.),
+ fB(0.),
+ fThetaA(0.),
+ fTheta(theta),
+ fOK1(),
+ fOK2(),
+ fOB(),
+ fOB1(),
+ fOB2()
+{
+ // theta in radians ; first object shold be with theta=pi/2.
if(fgGeometry==0) {
+ fTheta = TMath::PiOver2();
+ fgGeometry = g;
if(GetParameters()) {
DefineFirstModule();
}
} else Warning("AliEMCALShishKebabTrd1Module(theta)","You should call this constractor just once !!");
DefineName(fTheta);
+ cout<< "AliEMCALShishKebabTrd1Module - first module: theta " << fTheta << " geometry " << g << endl;
}
-AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor) : TNamed()
-{ // 22-sep-04
+//_____________________________________________________________________________
+AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor)
+ : TNamed(),
+ fOK(),
+ fA(0.),
+ fB(0.),
+ fThetaA(0.),
+ fTheta(0.),
+ fOK1(),
+ fOK2(),
+ fOB(),
+ fOB1(),
+ fOB2()
+{
// printf("** Left Neighbor : %s **\n", leftNeighbor.GetName());
TObject::SetUniqueID(leftNeighbor.GetUniqueID()+1);
fTheta = leftNeighbor.GetTheta() - fgangle;
Init(leftNeighbor.GetA(),leftNeighbor.GetB());
}
-void AliEMCALShishKebabTrd1Module::Init(double A, double B)
-{ // Define parameter module from parameters A,B from previos.
+//________________________________________________________________
+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)
+{
+ //copy ctor
+}
+
+//________________________________________________________________
+void AliEMCALShishKebabTrd1Module::Init(Double_t A, Double_t B)
+{
+ // Define parameter module from parameters A,B from previos.
Double_t yl = (fgb/2)*TMath::Sin(fTheta) + (fga/2)*TMath::Cos(fTheta) + fgr, y = yl;
Double_t xl = (yl - B) / A; // y=A*x+B
fB = yA - fA*xA;
DefineName(fTheta);
- // Centers of modules
+ // Centers of module
Double_t kk1 = (fga+fga2)/(2.*4.); // kk1=kk2
Double_t xk1 = fOK.X() - kk1*TMath::Sin(fTheta);
- Double_t yk1 = fOK.Y() + kk1*TMath::Cos(fTheta);
+ Double_t yk1 = fOK.Y() + kk1*TMath::Cos(fTheta) - fgr;
fOK1.Set(xk1,yk1);
Double_t xk2 = fOK.X() + kk1*TMath::Sin(fTheta);
- Double_t yk2 = fOK.Y() - kk1*TMath::Cos(fTheta);
+ Double_t yk2 = fOK.Y() - kk1*TMath::Cos(fTheta) - fgr;
fOK2.Set(xk2,yk2);
+
+ // May 15, 2006; position of cell face of cells
+ 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));
}
+//_____________________________________________________________________________
void AliEMCALShishKebabTrd1Module::DefineFirstModule()
{
+ // Define first module
fOK.Set(fga2/2., fgr + fgb/2.); // position the center of module vs o
// parameters of right line : y = A*z + B in system where zero point is IP.
fB = yA - fA*xA;
Double_t kk1 = (fga+fga2)/(2.*4.); // kk1=kk2
- fOK1.Set(fOK.X() - kk1, fOK.Y());
- fOK2.Set(fOK.X() + kk1, fOK.Y());
+ 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); //
}
-void AliEMCALShishKebabTrd1Module::DefineName(double theta)
+//_____________________________________________________________________________
+void AliEMCALShishKebabTrd1Module::DefineName(Double_t theta)
{
- char name[100];
- // sprintf(name,"theta_%5.2f",theta*180./TMath::Pi());
- sprintf(name,"%2i(%5.2f)", TObject::GetUniqueID(), theta*180./TMath::Pi());
- SetName(name);
+ // Define name of object
+ SetName(Form("%2i(%5.2f)", TObject::GetUniqueID(), theta*TMath::RadToDeg()));
}
+//_____________________________________________________________________________
Bool_t AliEMCALShishKebabTrd1Module::GetParameters()
{
- fgGeometry = AliEMCALGeometry::GetInstance();
+ // Get needing module parameters from EMCAL geometry
+ if(!fgGeometry) fgGeometry = AliEMCALGeometry::GetInstance();
TString sn(fgGeometry->GetName()); // 2-Feb-05
sn.ToUpper();
if(!fgGeometry) {
fgr = (Double_t)fgGeometry->GetIPDistance();
if(!sn.Contains("TRD2")) fgr += fgGeometry->GetSteelFrontThickness();
fga2 = Double_t(fgGeometry->Get2Trd1Dx2());
- Print(0);
+ //PH PrintShish(0);
return kTRUE;
}
// service methods
-void AliEMCALShishKebabTrd1Module::Print(int pri) const
+//_____________________________________________________________________________
+void AliEMCALShishKebabTrd1Module::PrintShish(int pri) const
{
+ // service method
if(pri>=0) {
- Info("Print()", "\n a %7.3f:%7.3f | b %7.2f | r %7.2f \n TRD1 angle %7.6f(%5.2f) | tanBetta %7.6f",
+ 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>0) {
- printf("\n%i |%s| theta %f : fOK.Phi = %f(%5.2f)\n",
+ if(pri>=1) {
+ 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());
- fOK.Dump();
- printf(" fOK : X %8.3f: Y %8.3f \n", fOK.X(), fOK.Y());
- printf(" fOK1 : X %8.3f: Y %8.3f \n", fOK1.X(), fOK1.Y());
- printf(" fOK2 : X %8.3f: Y %8.3f \n", fOK2.X(), fOK2.Y());
+ 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(" 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());
+ // fOK.Dump();
}
}
}
+
+//_____________________________________________________________________________
+Double_t AliEMCALShishKebabTrd1Module::GetThetaInDegree() const
+{
+ return fTheta*TMath::RadToDeg();
+}
+
+//_____________________________________________________________________________
+Double_t AliEMCALShishKebabTrd1Module::GetEtaOfCenterOfModule() const
+{
+ return -TMath::Log(TMath::Tan(fOK.Phi()/2.));
+}
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