Add a protection to avoid crash in QA (Julian)
[u/mrichter/AliRoot.git] / JETAN / AliJetDummyShishKebabTrd1Module.cxx
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3e147bc8 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
18//_________________________________________________________________________
19// Main class for TRD1 geometry of Shish-Kebab case.
20// Author: Aleksei Pavlinov(WSU).
21// Sep 20004 - Nov 2006
22// See web page with description of Shish-Kebab geometries:
23// http://pdsfweb01.nersc.gov/~pavlinov/ALICE/SHISHKEBAB/RES/shishkebabALICE.html
24// Nov 9,2006 - added cas of 3X3
25//_________________________________________________________________________
26
27//
28// Class modified and implemented in JETAN
29//
30// M. Estienne
31//
32
33#include "AliLog.h"
34#include "AliJetDummyShishKebabTrd1Module.h"
35#include "AliJetDummyGeo.h"
36
37#include <Riostream.h>
38
39ClassImp(AliJetDummyShishKebabTrd1Module)
40
41 AliJetDummyGeo *AliJetDummyShishKebabTrd1Module::fgGeometry=0;
42 Double_t AliJetDummyShishKebabTrd1Module::fga=0.;
43 Double_t AliJetDummyShishKebabTrd1Module::fga2=0.;
44 Double_t AliJetDummyShishKebabTrd1Module::fgb=0.;
45 Double_t AliJetDummyShishKebabTrd1Module::fgr=0.;
46 Double_t AliJetDummyShishKebabTrd1Module::fgangle=0.; // around one degree
47 Double_t AliJetDummyShishKebabTrd1Module::fgtanBetta=0; //
48
49//_____________________________________________________________________________
50AliJetDummyShishKebabTrd1Module::AliJetDummyShishKebabTrd1Module(Double_t theta, AliJetDummyGeo *g)
51 : TNamed(),
52 fOK(),
53 fA(0.),
54 fB(0.),
55 fThetaA(0.),
56 fTheta(theta),
57 fOK1(),
58 fOK2(),
59 fOB(),
60 fOB1(),
61 fOB2(),
62 fOK3X3(),
63 fDebug(0)
64{
65 // theta in radians ; first object shold be with theta=pi/2.
66 if(fgGeometry==0) {
67 fTheta = TMath::PiOver2();
68 fgGeometry = g;
69 if(GetParameters()) {
70 DefineFirstModule();
71 }
72 } else Warning("AliJetDummyShishKebabTrd1Module(theta)","You should call this constractor just once !!");
73 DefineName(fTheta);
74 AliInfo(Form("AliJetDummyShishKebabTrd1Module - first module: theta %1.4f geometry %s",fTheta,g->GetName()));
75}
76
77//_____________________________________________________________________________
78AliJetDummyShishKebabTrd1Module::AliJetDummyShishKebabTrd1Module(AliJetDummyShishKebabTrd1Module &leftNeighbor)
79 : TNamed(),
80 fOK(),
81 fA(0.),
82 fB(0.),
83 fThetaA(0.),
84 fTheta(0.),
85 fOK1(),
86 fOK2(),
87 fOB(),
88 fOB1(),
89 fOB2(),
90 fOK3X3(),
91 fDebug(0)
92{
93 // printf("** Left Neighbor : %s **\n", leftNeighbor.GetName());
94 fTheta = leftNeighbor.GetTheta() - fgangle;
95
96 TObject::SetUniqueID(leftNeighbor.GetUniqueID()+1);
97
98 Init(leftNeighbor.GetA(),leftNeighbor.GetB());
99}
100
101//________________________________________________________________
102AliJetDummyShishKebabTrd1Module::AliJetDummyShishKebabTrd1Module(const AliJetDummyShishKebabTrd1Module& mod)
103 : TNamed(mod.GetName(),mod.GetTitle()),
104 fOK(mod.fOK),
105 fA(mod.fA),
106 fB(mod.fB),
107 fThetaA(mod.fThetaA),
108 fTheta(mod.fTheta),
109 fOK1(mod.fOK1),
110 fOK2(mod.fOK2),
111 fOB(mod.fOB),
112 fOB1(mod.fOB1),
9e4cc50d 113 fOB2(mod.fOB2),
114 fDebug(mod.fDebug)
3e147bc8 115{
116 //copy ctor
117 for (Int_t i=0; i<3; i++) fOK3X3[i] = mod.fOK3X3[i];
118}
119
120//________________________________________________________________
121void AliJetDummyShishKebabTrd1Module::Init(Double_t A, Double_t B)
122{
123 // Define parameter module from parameters A,B from previos.
124 Double_t yl = (fgb/2)*TMath::Sin(fTheta) + (fga/2)*TMath::Cos(fTheta) + fgr, y = yl;
125 Double_t xl = (yl - B) / A; // y=A*x+B
126
127 if(fDebug>1){
128 Double_t xp1 = (fga/2. + fgb/2.*fgtanBetta)/(TMath::Sin(fTheta) + fgtanBetta*TMath::Cos(fTheta));
129 printf(" xp1 %9.3f \n ", xp1);
130 }
131 // xp1 == xp => both methods give the same results - 3-feb-05
132 Double_t alpha = TMath::Pi()/2. + fgangle/2;
133 Double_t xt = (fga+fga2)*TMath::Tan(fTheta)*TMath::Tan(alpha)/(4.*(1.-TMath::Tan(fTheta)*TMath::Tan(alpha)));
134 Double_t yt = xt / TMath::Tan(fTheta), xp = TMath::Sqrt(xt*xt + yt*yt);
135 Double_t x = xl + xp;
136 fOK.Set(x, y);
137 if(fDebug>1) printf(" yl %9.3f | xl %9.3f | xp %9.3f \n", yl, xl, xp);
138
139 // have to define A and B;
140 Double_t yCprev = fgr + fga*TMath::Cos(fTheta);
141 Double_t xCprev = (yCprev - B) / A;
142 Double_t xA = xCprev + fga*TMath::Sin(fTheta), yA = fgr;
143
144 fThetaA = fTheta - fgangle/2.;
145 fA = TMath::Tan(fThetaA); // !!
146 fB = yA - fA*xA;
147
148 DefineAllStaff();
149}
150
151//_____________________________________________________________________________
152void AliJetDummyShishKebabTrd1Module::DefineAllStaff()
153{
03b05b15 154//
155// Standard definitions
3e147bc8 156 DefineName(fTheta);
157 // Centers of module - 2X2 case
158 Double_t kk1 = (fga+fga2)/(2.*4.); // kk1=kk2
159
160 Double_t xk1 = fOK.X() - kk1*TMath::Sin(fTheta);
161 Double_t yk1 = fOK.Y() + kk1*TMath::Cos(fTheta) - fgr;
162 fOK1.Set(xk1,yk1);
163
164 Double_t xk2 = fOK.X() + kk1*TMath::Sin(fTheta);
165 Double_t yk2 = fOK.Y() - kk1*TMath::Cos(fTheta) - fgr;
166 fOK2.Set(xk2,yk2);
167
168 // Centers of module - 3X3 case; Nov 9,2006
169 fOK3X3[1].Set(fOK.X(), fOK.Y()-fgr); // coincide with module center
170
171 kk1 = ((fga+fga2)/4. + fga/6.)/2.;
172
173 xk1 = fOK.X() - kk1*TMath::Sin(fTheta);
174 yk1 = fOK.Y() + kk1*TMath::Cos(fTheta) - fgr;
175 fOK3X3[0].Set(xk1,yk1);
176
177 xk2 = fOK.X() + kk1*TMath::Sin(fTheta);
178 yk2 = fOK.Y() - kk1*TMath::Cos(fTheta) - fgr;
179 fOK3X3[2].Set(xk2,yk2);
180
181 // May 15, 2006; position of cell face of cells
182 fOB.Set(fOK.X()-fgb/2.*TMath::Cos(fTheta), fOK.Y()-fgb/2.*TMath::Sin(fTheta)-fgr);
183 fOB1.Set(fOB.X()-fga/4.*TMath::Sin(fTheta), fOB.Y()+fga/4.*TMath::Cos(fTheta));
184 fOB2.Set(fOB.X()+fga/4.*TMath::Sin(fTheta), fOB.Y()-fga/4.*TMath::Cos(fTheta));
185
186}
187
188//_____________________________________________________________________________
189void AliJetDummyShishKebabTrd1Module::DefineFirstModule()
190{
191 // Define first module
192 fOK.Set(fga2/2., fgr + fgb/2.); // position the center of module vs o
193
194 // parameters of right line : y = A*z + B in system where zero point is IP.
195 fThetaA = fTheta - fgangle/2.;
196 fA = TMath::Tan(fThetaA);
197 Double_t xA = fga/2. + fga2/2., yA = fgr;
198 fB = yA - fA*xA;
199
200 TObject::SetUniqueID(1); //
201
202 DefineAllStaff();
203}
204
205//_____________________________________________________________________________
206void AliJetDummyShishKebabTrd1Module::DefineName(Double_t theta)
207{
208 // Define name of object
209 SetName(Form("%2i(%5.2f)", TObject::GetUniqueID(), theta*TMath::RadToDeg()));
210}
211
212//_____________________________________________________________________________
213Bool_t AliJetDummyShishKebabTrd1Module::GetParameters()
214{
215 // Get needing module parameters from EMCAL geometry
216 if(!fgGeometry) fgGeometry = AliJetDummyGeo::GetInstance();
217 TString sn(fgGeometry->GetName()); // 2-Feb-05
218 sn.ToUpper();
219 if(!fgGeometry) {
220 Warning("GetParameters()"," No geometry ");
221 return kFALSE;
222 }
223
224 fga = (Double_t)fgGeometry->GetEtaModuleSize();
225 fgb = (Double_t)fgGeometry->GetLongModuleSize();
226 fgangle = Double_t(fgGeometry->GetTrd1Angle())*TMath::DegToRad();
227 fgtanBetta = TMath::Tan(fgangle/2.);
228 fgr = (Double_t)fgGeometry->GetIPDistance();
229
230 if(!sn.Contains("TRD2")) fgr += fgGeometry->GetSteelFrontThickness();
231
232 fga2 = Double_t(fgGeometry->Get2Trd1Dx2());
233 //PH PrintShish(0);
234 return kTRUE;
235}
236
237// service methods
238//_____________________________________________________________________________
239void AliJetDummyShishKebabTrd1Module::PrintShish(Int_t pri) const
240{
241 // service method
242 if(pri>=0) {
243 printf("PrintShish() \n a %7.3f:%7.3f | b %7.2f | r %7.2f \n TRD1 angle %7.6f(%5.2f) | tanBetta %7.6f",
244 fga, fga2, fgb, fgr, fgangle, fgangle*TMath::RadToDeg(), fgtanBetta);
245 printf(" fTheta %f : %5.2f : cos(theta) %f\n",
246 fTheta, GetThetaInDegree(),TMath::Cos(fTheta));
247 if(pri>=1) {
248 printf(" %i |%s| theta %f : fOK.Phi = %f(%5.2f)\n",
249 GetUniqueID(), GetName(), fTheta, fOK.Phi(),fOK.Phi()*TMath::RadToDeg());
250 printf(" A %f B %f | fThetaA %7.6f(%5.2f)\n", fA,fB, fThetaA,fThetaA*TMath::RadToDeg());
251 printf(" fOK : X %9.4f: Y %9.4f : eta %5.3f\n", fOK.X(), fOK.Y(), GetEtaOfCenterOfModule());
252 printf(" fOK1 : X %9.4f: Y %9.4f : (local, ieta=2)\n", fOK1.X(), fOK1.Y());
253 printf(" fOK2 : X %9.4f: Y %9.4f : (local, ieta=1)\n\n", fOK2.X(), fOK2.Y());
254 printf(" fOB : X %9.4f: Y %9.4f \n", fOB.X(), fOB.Y());
255 printf(" fOB1 : X %9.4f: Y %9.4f (local, ieta=2)\n", fOB1.X(), fOB1.Y());
256 printf(" fOB2 : X %9.4f: Y %9.4f (local, ieta=1)\n", fOB2.X(), fOB2.Y());
257 // 3X3
258 printf(" 3X3 \n");
259 for(Int_t ieta=0; ieta<3; ieta++) {
260 printf(" fOK3X3[%i] : X %9.4f: Y %9.4f (local) \n", ieta, fOK3X3[ieta].X(), fOK3X3[ieta].Y());
261 }
262 // fOK.Dump();
263 GetMaxEtaOfModule(pri);
264 }
265 }
266}
267
268//_____________________________________________________________________________
269Double_t AliJetDummyShishKebabTrd1Module::GetThetaInDegree() const
270{
271 return fTheta*TMath::RadToDeg();
272}
273
274//_____________________________________________________________________________
275Double_t AliJetDummyShishKebabTrd1Module::GetEtaOfCenterOfModule() const
276{
277 return -TMath::Log(TMath::Tan(fOK.Phi()/2.));
278}
279
280//_____________________________________________________________________________
281Double_t AliJetDummyShishKebabTrd1Module::GetMaxEtaOfModule(Int_t pri) const
282{
283 // Right bottom point of module
284 Double_t xBottom = (fgr - fB) / fA;
285 Double_t thetaBottom = TMath::ATan2(fgr, xBottom);
286 Double_t etaBottom = ThetaToEta(thetaBottom);
287 // Right top point of module
288 Double_t l = fgb / TMath::Cos(fgangle/2.); // length of lateral module side
289 Double_t xTop = xBottom + l*TMath::Cos(TMath::ATan(fA));
290 Double_t yTop = fA*xTop + fB;
291 Double_t thetaTop = TMath::ATan2(yTop, xTop);
292 Double_t etaTop = ThetaToEta(thetaTop);
293
294 if(pri) {
295 printf(" Right bottom point of module : eta %5.4f : theta %6.4f (%6.2f) \n",
296 etaBottom, thetaBottom, thetaBottom * TMath::RadToDeg());
297 printf(" Right top point of module : eta %5.4f : theta %6.4f (%6.2f) \n",
298 etaTop, thetaTop, thetaTop * TMath::RadToDeg());
299 }
300 return etaBottom>etaTop ? etaBottom : etaTop;
301}