add some missing copy ctors and progress toward code convention compliance
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALShishKebabTrd1Module.cxx
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1963b290 1/**************************************************************************
2 * Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/* $Id$ */
17
25ab8a31 18//_________________________________________________________________________
19// Main class for TRD1 geometry of Shish-Kebab case.
20// Author: Aleksei Pavlinov(WSU).
21// Sep 20004.
22// See web page with description of Shish-Kebab geometries:
23// http://pdsfweb01.nersc.gov/~pavlinov/ALICE/SHISHKEBAB/RES/shishkebabALICE.html
24//_________________________________________________________________________
1963b290 25
26#include "AliEMCALShishKebabTrd1Module.h"
25ab8a31 27//#include <assert.h>
1963b290 28#include "AliEMCALGeometry.h"
29
25ab8a31 30#include <Riostream.h>
e52475ed 31#include <TMath.h>
32
1963b290 33ClassImp(AliEMCALShishKebabTrd1Module)
34
35 AliEMCALGeometry *AliEMCALShishKebabTrd1Module::fgGeometry=0;
36 Double_t AliEMCALShishKebabTrd1Module::fga=0.;
37 Double_t AliEMCALShishKebabTrd1Module::fga2=0.;
38 Double_t AliEMCALShishKebabTrd1Module::fgb=0.;
39 Double_t AliEMCALShishKebabTrd1Module::fgr=0.;
e52475ed 40 Double_t AliEMCALShishKebabTrd1Module::fgangle=0.; // around one degree
1963b290 41 Double_t AliEMCALShishKebabTrd1Module::fgtanBetta=0; //
42
0a4cb131 43//_____________________________________________________________________________
25ab8a31 44AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(Double_t theta, AliEMCALGeometry *g) : TNamed()
45{
46 // theta in radians ; first object shold be with theta=pi/2.
1963b290 47 fTheta = theta;
48 if(fgGeometry==0) {
25ab8a31 49 fTheta = TMath::PiOver2();
e52475ed 50 fgGeometry = g;
1963b290 51 if(GetParameters()) {
52 DefineFirstModule();
53 }
54 } else Warning("AliEMCALShishKebabTrd1Module(theta)","You should call this constractor just once !!");
55 DefineName(fTheta);
dc7da436 56 cout<< "AliEMCALShishKebabTrd1Module - first module: theta " << fTheta << " geometry " << g << endl;
1963b290 57}
58
0a4cb131 59//_____________________________________________________________________________
1963b290 60AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(AliEMCALShishKebabTrd1Module &leftNeighbor) : TNamed()
25ab8a31 61{
1963b290 62 // printf("** Left Neighbor : %s **\n", leftNeighbor.GetName());
63 TObject::SetUniqueID(leftNeighbor.GetUniqueID()+1);
64 fTheta = leftNeighbor.GetTheta() - fgangle;
65 Init(leftNeighbor.GetA(),leftNeighbor.GetB());
66}
67
0a4cb131 68//________________________________________________________________
69AliEMCALShishKebabTrd1Module::AliEMCALShishKebabTrd1Module(const AliEMCALShishKebabTrd1Module& mod) : TNamed(mod.GetName(),mod.GetTitle())
70{
71 //copy ctor
72 fOK = mod.fOK;
73 fA = mod.fA;
74 fB = mod.fB;
75 fThetaA = mod.fThetaA;
76 fTheta = mod.fTheta;
77 fOK1 = mod.fOK1;
78 fOK2 = mod.fOK2;
79 fOB = mod.fOB;
80 fOB1 = mod.fOB1;
81 fOB2 = mod.fOB2;
82
83}
84
85//________________________________________________________________
25ab8a31 86void AliEMCALShishKebabTrd1Module::Init(Double_t A, Double_t B)
87{
88 // Define parameter module from parameters A,B from previos.
1963b290 89 Double_t yl = (fgb/2)*TMath::Sin(fTheta) + (fga/2)*TMath::Cos(fTheta) + fgr, y = yl;
90 Double_t xl = (yl - B) / A; // y=A*x+B
91
92 // Double_t xp1 = (fga/2. + fgb/2.*fgtanBetta)/(TMath::Sin(fTheta) + fgtanBetta*TMath::Cos(fTheta));
93 // printf(" xp1 %9.3f \n ", xp1);
94 // xp1 == xp => both methods give the same results - 3-feb-05
95 Double_t alpha = TMath::Pi()/2. + fgangle/2;
96 Double_t xt = (fga+fga2)*TMath::Tan(fTheta)*TMath::Tan(alpha)/(4.*(1.-TMath::Tan(fTheta)*TMath::Tan(alpha)));
97 Double_t yt = xt / TMath::Tan(fTheta), xp = TMath::Sqrt(xt*xt + yt*yt);
98 Double_t x = xl + xp;
99 fOK.Set(x, y);
100 // printf(" yl %9.3f | xl %9.3f | xp %9.3f \n", yl, xl, xp);
101
102 // have to define A and B;
103 Double_t yCprev = fgr + fga*TMath::Cos(fTheta);
104 Double_t xCprev = (yCprev - B) / A;
105 Double_t xA = xCprev + fga*TMath::Sin(fTheta), yA = fgr;
106
107 fThetaA = fTheta - fgangle/2.;
108 fA = TMath::Tan(fThetaA); // !!
109 fB = yA - fA*xA;
110
111 DefineName(fTheta);
e52475ed 112 // Centers of module
1963b290 113 Double_t kk1 = (fga+fga2)/(2.*4.); // kk1=kk2
114
115 Double_t xk1 = fOK.X() - kk1*TMath::Sin(fTheta);
e52475ed 116 Double_t yk1 = fOK.Y() + kk1*TMath::Cos(fTheta) - fgr;
1963b290 117 fOK1.Set(xk1,yk1);
118
119 Double_t xk2 = fOK.X() + kk1*TMath::Sin(fTheta);
e52475ed 120 Double_t yk2 = fOK.Y() - kk1*TMath::Cos(fTheta) - fgr;
1963b290 121 fOK2.Set(xk2,yk2);
b44d5aa4 122
123 // May 15, 2006; position of cell face of cells
124 fOB.Set(fOK.X()-fgb/2.*TMath::Cos(fTheta), fOK.Y()-fgb/2.*TMath::Sin(fTheta)-fgr);
125 fOB1.Set(fOB.X()-fga/4.*TMath::Sin(fTheta), fOB.Y()+fga/4.*TMath::Cos(fTheta));
126 fOB2.Set(fOB.X()+fga/4.*TMath::Sin(fTheta), fOB.Y()-fga/4.*TMath::Cos(fTheta));
1963b290 127}
128
0a4cb131 129//_____________________________________________________________________________
1963b290 130void AliEMCALShishKebabTrd1Module::DefineFirstModule()
131{
25ab8a31 132 // Define first module
1963b290 133 fOK.Set(fga2/2., fgr + fgb/2.); // position the center of module vs o
134
135 // parameters of right line : y = A*z + B in system where zero point is IP.
136 fThetaA = fTheta - fgangle/2.;
137 fA = TMath::Tan(fThetaA);
138 Double_t xA = fga/2. + fga2/2., yA = fgr;
139 fB = yA - fA*xA;
140
141 Double_t kk1 = (fga+fga2)/(2.*4.); // kk1=kk2
e52475ed 142 fOK1.Set(fOK.X() - kk1, fOK.Y()-fgr);
143 fOK2.Set(fOK.X() + kk1, fOK.Y()-fgr);
1963b290 144
b44d5aa4 145 fOB.Set(fOK.X(),fOK.Y()-fgb/2.-fgr);
146 fOB1.Set(fOB.X()-fga/4., fOB.Y());
147 fOB2.Set(fOB.X()+fga/4., fOB.Y());
148
1963b290 149 TObject::SetUniqueID(1); //
150}
151
0a4cb131 152//_____________________________________________________________________________
25ab8a31 153void AliEMCALShishKebabTrd1Module::DefineName(Double_t theta)
1963b290 154{
25ab8a31 155 // Define name of object
156 SetName(Form("%2i(%5.2f)", TObject::GetUniqueID(), theta*TMath::RadToDeg()));
1963b290 157}
158
0a4cb131 159//_____________________________________________________________________________
1963b290 160Bool_t AliEMCALShishKebabTrd1Module::GetParameters()
161{
25ab8a31 162 // Get needing module parameters from EMCAL geometry
e52475ed 163 if(!fgGeometry) fgGeometry = AliEMCALGeometry::GetInstance();
1963b290 164 TString sn(fgGeometry->GetName()); // 2-Feb-05
165 sn.ToUpper();
166 if(!fgGeometry) {
167 Warning("GetParameters()"," No geometry ");
168 return kFALSE;
169 }
170
171 fga = (Double_t)fgGeometry->GetEtaModuleSize();
172 fgb = (Double_t)fgGeometry->GetLongModuleSize();
173 fgangle = Double_t(fgGeometry->GetTrd1Angle())*TMath::DegToRad();
174 fgtanBetta = TMath::Tan(fgangle/2.);
175 fgr = (Double_t)fgGeometry->GetIPDistance();
176 if(!sn.Contains("TRD2")) fgr += fgGeometry->GetSteelFrontThickness();
177 fga2 = Double_t(fgGeometry->Get2Trd1Dx2());
c4a57092 178 //PH PrintShish(0);
1963b290 179 return kTRUE;
180}
181
182// service methods
0a4cb131 183//_____________________________________________________________________________
c63c3c5d 184void AliEMCALShishKebabTrd1Module::PrintShish(int pri) const
1963b290 185{
25ab8a31 186 // service method
1963b290 187 if(pri>=0) {
b44d5aa4 188 printf("PrintShish() \n a %7.3f:%7.3f | b %7.2f | r %7.2f \n TRD1 angle %7.6f(%5.2f) | tanBetta %7.6f",
1963b290 189 fga, fga2, fgb, fgr, fgangle, fgangle*TMath::RadToDeg(), fgtanBetta);
190 printf(" fTheta %f : %5.2f : cos(theta) %f\n",
191 fTheta, GetThetaInDegree(),TMath::Cos(fTheta));
e52475ed 192 if(pri>=1) {
b44d5aa4 193 printf(" %i |%s| theta %f : fOK.Phi = %f(%5.2f)\n",
1963b290 194 GetUniqueID(), GetName(), fTheta, fOK.Phi(),fOK.Phi()*TMath::RadToDeg());
195 printf(" A %f B %f | fThetaA %7.6f(%5.2f)\n", fA,fB, fThetaA,fThetaA*TMath::RadToDeg());
b44d5aa4 196 printf(" fOK : X %9.4f: Y %9.4f \n", fOK.X(), fOK.Y());
197 printf(" fOK1 : X %9.4f: Y %9.4f (local, ieta=2)\n", fOK1.X(), fOK1.Y());
198 printf(" fOK2 : X %9.4f: Y %9.4f (local, ieta=1)\n\n", fOK2.X(), fOK2.Y());
199 printf(" fOB : X %9.4f: Y %9.4f \n", fOB.X(), fOB.Y());
200 printf(" fOB1 : X %9.4f: Y %9.4f (local, ieta=2)\n", fOB1.X(), fOB1.Y());
201 printf(" fOB2 : X %9.4f: Y %9.4f (local, ieta=1)\n", fOB2.X(), fOB2.Y());
202 // fOK.Dump();
1963b290 203 }
204 }
205}
25ab8a31 206
0a4cb131 207//_____________________________________________________________________________
25ab8a31 208Double_t AliEMCALShishKebabTrd1Module::GetThetaInDegree() const
209{
210 return fTheta*TMath::RadToDeg();
211}
212
0a4cb131 213//_____________________________________________________________________________
25ab8a31 214Double_t AliEMCALShishKebabTrd1Module::GetEtaOfCenterOfModule() const
215{
216 return -TMath::Log(TMath::Tan(fOK.Phi()/2.));
217}