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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, 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 | ||
88cb7938 | 16 | /* $Id$ */ |
6d4dd317 | 17 | |
18 | // Class to generate particles from using paramtrized pT and y distributions. | |
19 | // Distributions are obtained from pointer to object of type AliGenLib. | |
20 | // (For example AliGenMUONlib) | |
21 | // Decays are performed using Pythia. | |
22 | // andreas.morsch@cern.ch | |
23 | ||
fe4da5cc | 24 | #include "AliGenParam.h" |
2904363f | 25 | #include "AliDecayer.h" |
fe4da5cc | 26 | #include "AliGenMUONlib.h" |
27 | #include "AliRun.h" | |
1578254f | 28 | #include <TParticle.h> |
fa480368 | 29 | #include <TParticlePDG.h> |
30 | #include <TDatabasePDG.h> | |
31 | #include <TLorentzVector.h> | |
5d12ce38 | 32 | #include <TVirtualMC.h> |
fa480368 | 33 | |
f87cfe57 | 34 | #include <TF1.h> |
5bd39445 | 35 | #include <TCanvas.h> |
36 | #include <TH1.h> | |
5d12ce38 | 37 | #include "AliMC.h" |
fe4da5cc | 38 | |
39 | ClassImp(AliGenParam) | |
40 | ||
41 | //------------------------------------------------------------ | |
42 | ||
43 | //Begin_Html | |
44 | /* | |
1439f98e | 45 | <img src="picts/AliGenParam.gif"> |
fe4da5cc | 46 | */ |
47 | //End_Html | |
48 | ||
49 | //____________________________________________________________ | |
50 | //____________________________________________________________ | |
51 | AliGenParam::AliGenParam() | |
fe4da5cc | 52 | { |
b22ee262 | 53 | // Deafault constructor |
54 | fPtPara = 0; | |
55 | fYPara = 0; | |
34f60c01 | 56 | fParam = 0; |
57 | fAnalog = kAnalog; | |
b22ee262 | 58 | SetDeltaPt(); |
2685bf00 | 59 | fDecayer = 0; |
8b31bfac | 60 | |
61 | ||
b22ee262 | 62 | } |
63 | ||
fff02fee | 64 | AliGenParam::AliGenParam(Int_t npart, AliGenLib * Library, Int_t param, char* tname):AliGenMC(npart) |
b22ee262 | 65 | { |
66 | // Constructor using number of particles parameterisation id and library | |
8b31bfac | 67 | fName = "Param"; |
68 | fTitle= "Particle Generator using pT and y parameterisation"; | |
b22ee262 | 69 | |
70 | fPtParaFunc = Library->GetPt(param, tname); | |
71 | fYParaFunc = Library->GetY (param, tname); | |
72 | fIpParaFunc = Library->GetIp(param, tname); | |
73 | ||
74 | fPtPara = 0; | |
75 | fYPara = 0; | |
76 | fParam = param; | |
34f60c01 | 77 | fAnalog = kAnalog; |
b22ee262 | 78 | SetForceDecay(); |
b22ee262 | 79 | SetDeltaPt(); |
fe4da5cc | 80 | } |
81 | ||
82 | //____________________________________________________________ | |
886b6f73 | 83 | |
fff02fee | 84 | AliGenParam::AliGenParam(Int_t npart, Int_t param, char* tname):AliGenMC(npart) |
fe4da5cc | 85 | { |
b22ee262 | 86 | // Constructor using parameterisation id and number of particles |
8b31bfac | 87 | // |
88 | fName = "Param"; | |
89 | fTitle= "Particle Generator using pT and y parameterisation"; | |
90 | ||
675e9664 | 91 | AliGenLib* pLibrary = new AliGenMUONlib(); |
b22ee262 | 92 | |
675e9664 | 93 | fPtParaFunc = pLibrary->GetPt(param, tname); |
94 | fYParaFunc = pLibrary->GetY (param, tname); | |
95 | fIpParaFunc = pLibrary->GetIp(param, tname); | |
b22ee262 | 96 | |
97 | fPtPara = 0; | |
98 | fYPara = 0; | |
99 | fParam = param; | |
34f60c01 | 100 | fAnalog = kAnalog; |
b22ee262 | 101 | fChildSelect.Set(5); |
102 | for (Int_t i=0; i<5; i++) fChildSelect[i]=0; | |
103 | SetForceDecay(); | |
104 | SetCutOnChild(); | |
105 | SetChildMomentumRange(); | |
106 | SetChildPtRange(); | |
107 | SetChildPhiRange(); | |
108 | SetChildThetaRange(); | |
109 | SetDeltaPt(); | |
fe4da5cc | 110 | } |
111 | ||
34f60c01 | 112 | AliGenParam::AliGenParam(Int_t npart, Int_t param, |
886b6f73 | 113 | Double_t (*PtPara) (Double_t*, Double_t*), |
114 | Double_t (*YPara ) (Double_t* ,Double_t*), | |
65fb704d | 115 | Int_t (*IpPara) (TRandom *)) |
fff02fee | 116 | :AliGenMC(npart) |
886b6f73 | 117 | { |
749070b6 | 118 | // Constructor |
28337bc1 | 119 | // Gines Martinez 1/10/99 |
8b31bfac | 120 | fName = "Param"; |
121 | fTitle= "Particle Generator using pT and y parameterisation"; | |
122 | ||
886b6f73 | 123 | fPtParaFunc = PtPara; |
124 | fYParaFunc = YPara; | |
125 | fIpParaFunc = IpPara; | |
28337bc1 | 126 | // |
886b6f73 | 127 | fPtPara = 0; |
128 | fYPara = 0; | |
129 | fParam = param; | |
34f60c01 | 130 | fAnalog = kAnalog; |
886b6f73 | 131 | fChildSelect.Set(5); |
132 | for (Int_t i=0; i<5; i++) fChildSelect[i]=0; | |
133 | SetForceDecay(); | |
134 | SetCutOnChild(); | |
749070b6 | 135 | SetChildMomentumRange(); |
136 | SetChildPtRange(); | |
137 | SetChildPhiRange(); | |
138 | SetChildThetaRange(); | |
139 | SetDeltaPt(); | |
886b6f73 | 140 | } |
141 | ||
f87cfe57 | 142 | |
6d4dd317 | 143 | AliGenParam::AliGenParam(const AliGenParam & Param) |
198bb1c7 | 144 | :AliGenMC(Param) |
f87cfe57 | 145 | { |
198bb1c7 | 146 | // Copy constructor |
6d4dd317 | 147 | Param.Copy(*this); |
f87cfe57 | 148 | } |
149 | ||
fe4da5cc | 150 | //____________________________________________________________ |
151 | AliGenParam::~AliGenParam() | |
152 | { | |
749070b6 | 153 | // Destructor |
fe4da5cc | 154 | delete fPtPara; |
155 | delete fYPara; | |
156 | } | |
157 | ||
158 | //____________________________________________________________ | |
159 | void AliGenParam::Init() | |
160 | { | |
749070b6 | 161 | // Initialisation |
fa480368 | 162 | |
2904363f | 163 | if (gMC) fDecayer = gMC->GetDecayer(); |
fe4da5cc | 164 | //Begin_Html |
165 | /* | |
1439f98e | 166 | <img src="picts/AliGenParam.gif"> |
fe4da5cc | 167 | */ |
168 | //End_Html | |
c5c3e4b0 | 169 | char name[256]; |
170 | sprintf(name, "pt-parameterisation for %s", GetName()); | |
171 | ||
172 | fPtPara = new TF1(name, fPtParaFunc, fPtMin, fPtMax,0); | |
749070b6 | 173 | // Set representation precision to 10 MeV |
c5c3e4b0 | 174 | Int_t npx= Int_t((fPtMax - fPtMin) / fDeltaPt); |
749070b6 | 175 | |
176 | fPtPara->SetNpx(npx); | |
c5c3e4b0 | 177 | |
178 | sprintf(name, "y-parameterisation for %s", GetName()); | |
179 | fYPara = new TF1(name, fYParaFunc, fYMin, fYMax, 0); | |
749070b6 | 180 | |
c5c3e4b0 | 181 | sprintf(name, "pt-for-%s", GetName()); |
182 | TF1 ptPara(name ,fPtParaFunc, 0, 15, 0); | |
183 | sprintf(name, "y-for-%s", GetName()); | |
184 | TF1 yPara(name, fYParaFunc, -6, 6, 0); | |
b7601ac4 | 185 | |
fe4da5cc | 186 | // |
187 | // dN/dy| y=0 | |
749070b6 | 188 | Double_t y1=0; |
189 | Double_t y2=0; | |
190 | ||
191 | fdNdy0=fYParaFunc(&y1,&y2); | |
fe4da5cc | 192 | // |
193 | // Integral over generation region | |
2a336e15 | 194 | Float_t intYS = yPara.Integral(fYMin, fYMax); |
195 | Float_t intPt0 = ptPara.Integral(0,15); | |
196 | Float_t intPtS = ptPara.Integral(fPtMin,fPtMax); | |
749070b6 | 197 | Float_t phiWgt=(fPhiMax-fPhiMin)/2./TMath::Pi(); |
34f60c01 | 198 | if (fAnalog == kAnalog) { |
749070b6 | 199 | fYWgt = intYS/fdNdy0; |
200 | fPtWgt = intPtS/intPt0; | |
201 | fParentWeight = fYWgt*fPtWgt*phiWgt/fNpart; | |
202 | } else { | |
203 | fYWgt = intYS/fdNdy0; | |
204 | fPtWgt = (fPtMax-fPtMin)/intPt0; | |
205 | fParentWeight = fYWgt*fPtWgt*phiWgt/fNpart; | |
206 | } | |
fe4da5cc | 207 | // |
208 | // particle decay related initialization | |
00d6ce7d | 209 | fDecayer->SetForceDecay(fForceDecay); |
fa480368 | 210 | fDecayer->Init(); |
00d6ce7d | 211 | |
fe4da5cc | 212 | // |
fff02fee | 213 | AliGenMC::Init(); |
fe4da5cc | 214 | } |
215 | ||
216 | //____________________________________________________________ | |
217 | void AliGenParam::Generate() | |
218 | { | |
28337bc1 | 219 | // |
220 | // Generate 'npart' of light and heavy mesons (J/Psi, upsilon or phi, Pion, | |
221 | // Kaons, Etas, Omegas) and Baryons (proton, antiprotons, neutrons and | |
222 | // antineutrons in the the desired theta, phi and momentum windows; | |
223 | // Gaussian smearing on the vertex is done if selected. | |
cc5d764c | 224 | // The decay of heavy mesons is done using lujet, |
225 | // and the childern particle are tracked by GEANT | |
226 | // However, light mesons are directly tracked by GEANT | |
227 | // setting fForceDecay = nodecay (SetForceDecay(nodecay)) | |
28337bc1 | 228 | // |
771bbe45 | 229 | // |
230 | // Reinitialize decayer | |
231 | fDecayer->Init(); | |
232 | // | |
28337bc1 | 233 | Float_t polar[3]= {0,0,0}; // Polarisation of the parent particle (for GEANT tracking) |
234 | Float_t origin0[3]; // Origin of the generated parent particle (for GEANT tracking) | |
235 | Float_t pt, pl, ptot; // Transverse, logitudinal and total momenta of the parent particle | |
236 | Float_t phi, theta; // Phi and theta spherical angles of the parent particle momentum | |
237 | Float_t p[3], pc[3], | |
fff02fee | 238 | och[3]; // Momentum, polarisation and origin of the children particles from lujet |
2d7a47be | 239 | Double_t ty, xmt; |
fff02fee | 240 | Int_t nt, i, j; |
fe4da5cc | 241 | Float_t wgtp, wgtch; |
242 | Double_t dummy; | |
09fd3ea2 | 243 | static TClonesArray *particles; |
fe4da5cc | 244 | // |
fff02fee | 245 | if(!particles) particles = new TClonesArray("TParticle",1000); |
8b31bfac | 246 | |
349be858 | 247 | TDatabasePDG *pDataBase = TDatabasePDG::Instance(); |
fe4da5cc | 248 | // |
249 | Float_t random[6]; | |
28337bc1 | 250 | |
251 | // Calculating vertex position per event | |
fe4da5cc | 252 | for (j=0;j<3;j++) origin0[j]=fOrigin[j]; |
aee8290b | 253 | if(fVertexSmear==kPerEvent) { |
d9ea0e3b | 254 | Vertex(); |
255 | for (j=0;j<3;j++) origin0[j]=fVertex[j]; | |
fe4da5cc | 256 | } |
d9ea0e3b | 257 | |
21aaa175 | 258 | Int_t ipa=0; |
fff02fee | 259 | |
28337bc1 | 260 | // Generating fNpart particles |
21aaa175 | 261 | while (ipa<fNpart) { |
cc5d764c | 262 | while(1) { |
fe4da5cc | 263 | // |
264 | // particle type | |
65fb704d | 265 | Int_t iPart = fIpParaFunc(fRandom); |
fa480368 | 266 | fChildWeight=(fDecayer->GetPartialBranchingRatio(iPart))*fParentWeight; |
675e9664 | 267 | TParticlePDG *particle = pDataBase->GetParticle(iPart); |
fa480368 | 268 | Float_t am = particle->Mass(); |
8b31bfac | 269 | |
65fb704d | 270 | Rndm(random,2); |
fe4da5cc | 271 | // |
272 | // phi | |
273 | phi=fPhiMin+random[0]*(fPhiMax-fPhiMin); | |
274 | // | |
275 | // y | |
2d7a47be | 276 | ty = TMath::TanH(fYPara->GetRandom()); |
fe4da5cc | 277 | // |
278 | // pT | |
34f60c01 | 279 | if (fAnalog == kAnalog) { |
fe4da5cc | 280 | pt=fPtPara->GetRandom(); |
281 | wgtp=fParentWeight; | |
282 | wgtch=fChildWeight; | |
283 | } else { | |
284 | pt=fPtMin+random[1]*(fPtMax-fPtMin); | |
285 | Double_t ptd=pt; | |
286 | wgtp=fParentWeight*fPtParaFunc(& ptd, &dummy); | |
287 | wgtch=fChildWeight*fPtParaFunc(& ptd, &dummy); | |
288 | } | |
289 | xmt=sqrt(pt*pt+am*am); | |
2d7a47be | 290 | if (TMath::Abs(ty)==1.) { |
291 | ty=0.; | |
292 | Fatal("AliGenParam", | |
293 | "Division by 0: Please check you rapidity range !"); | |
294 | } | |
295 | ||
fe4da5cc | 296 | pl=xmt*ty/sqrt(1.-ty*ty); |
297 | theta=TMath::ATan2(pt,pl); | |
cc5d764c | 298 | // Cut on theta |
fe4da5cc | 299 | if(theta<fThetaMin || theta>fThetaMax) continue; |
300 | ptot=TMath::Sqrt(pt*pt+pl*pl); | |
cc5d764c | 301 | // Cut on momentum |
fe4da5cc | 302 | if(ptot<fPMin || ptot>fPMax) continue; |
fff02fee | 303 | // |
fe4da5cc | 304 | p[0]=pt*TMath::Cos(phi); |
305 | p[1]=pt*TMath::Sin(phi); | |
306 | p[2]=pl; | |
aee8290b | 307 | if(fVertexSmear==kPerTrack) { |
65fb704d | 308 | Rndm(random,6); |
fe4da5cc | 309 | for (j=0;j<3;j++) { |
310 | origin0[j]= | |
311 | fOrigin[j]+fOsigma[j]*TMath::Cos(2*random[2*j]*TMath::Pi())* | |
312 | TMath::Sqrt(-2*TMath::Log(random[2*j+1])); | |
313 | } | |
314 | } | |
28337bc1 | 315 | |
316 | // Looking at fForceDecay : | |
cc5d764c | 317 | // if fForceDecay != none Primary particle decays using |
318 | // AliPythia and children are tracked by GEANT | |
28337bc1 | 319 | // |
cc5d764c | 320 | // if fForceDecay == none Primary particle is tracked by GEANT |
321 | // (In the latest, make sure that GEANT actually does all the decays you want) | |
fe4da5cc | 322 | // |
fff02fee | 323 | |
34f60c01 | 324 | if (fForceDecay != kNoDecay) { |
28337bc1 | 325 | // Using lujet to decay particle |
886b6f73 | 326 | Float_t energy=TMath::Sqrt(ptot*ptot+am*am); |
fa480368 | 327 | TLorentzVector pmom(p[0], p[1], p[2], energy); |
328 | fDecayer->Decay(iPart,&pmom); | |
fe4da5cc | 329 | // |
cc5d764c | 330 | // select decay particles |
fa480368 | 331 | Int_t np=fDecayer->ImportParticles(particles); |
1242532d | 332 | |
333 | // Selecting GeometryAcceptance for particles fPdgCodeParticleforAcceptanceCut; | |
334 | if (fGeometryAcceptance) | |
335 | if (!CheckAcceptanceGeometry(np,particles)) continue; | |
886b6f73 | 336 | Int_t ncsel=0; |
fff02fee | 337 | Int_t* pFlag = new Int_t[np]; |
338 | Int_t* pParent = new Int_t[np]; | |
339 | Int_t* pSelected = new Int_t[np]; | |
340 | Int_t* trackIt = new Int_t[np]; | |
341 | ||
342 | for (i=0; i<np; i++) { | |
343 | pFlag[i] = 0; | |
344 | pSelected[i] = 0; | |
345 | pParent[i] = -1; | |
346 | } | |
347 | ||
6ba00c52 | 348 | if (np >1) { |
349 | TParticle* iparticle = (TParticle *) particles->At(0); | |
fff02fee | 350 | Int_t ipF, ipL; |
351 | for (i = 1; i<np ; i++) { | |
352 | trackIt[i] = 1; | |
6ba00c52 | 353 | iparticle = (TParticle *) particles->At(i); |
354 | Int_t kf = iparticle->GetPdgCode(); | |
fff02fee | 355 | Int_t ks = iparticle->GetStatusCode(); |
356 | // flagged particle | |
357 | ||
358 | if (pFlag[i] == 1) { | |
fff02fee | 359 | ipF = iparticle->GetFirstDaughter(); |
360 | ipL = iparticle->GetLastDaughter(); | |
361 | if (ipF > 0) for (j=ipF-1; j<ipL; j++) pFlag[j]=1; | |
362 | continue; | |
363 | } | |
364 | ||
365 | // flag decay products of particles with long life-time (c tau > .3 mum) | |
366 | ||
367 | if (ks != 1) { | |
2d7a47be | 368 | // TParticlePDG *particle = pDataBase->GetParticle(kf); |
fff02fee | 369 | |
370 | Double_t lifeTime = fDecayer->GetLifetime(kf); | |
2d7a47be | 371 | // Double_t mass = particle->Mass(); |
372 | // Double_t width = particle->Width(); | |
47fc6bd5 | 373 | if (lifeTime > (Double_t) fMaxLifeTime) { |
fff02fee | 374 | ipF = iparticle->GetFirstDaughter(); |
375 | ipL = iparticle->GetLastDaughter(); | |
376 | if (ipF > 0) for (j=ipF-1; j<ipL; j++) pFlag[j]=1; | |
377 | } else{ | |
378 | trackIt[i] = 0; | |
379 | pSelected[i] = 1; | |
380 | } | |
381 | } // ks==1 ? | |
fe4da5cc | 382 | // |
383 | // children | |
47fc6bd5 | 384 | |
fff02fee | 385 | if (ChildSelected(TMath::Abs(kf)) || fForceDecay == kAll && trackIt[i]) |
6ba00c52 | 386 | { |
6ba00c52 | 387 | if (fCutOnChild) { |
fff02fee | 388 | pc[0]=iparticle->Px(); |
389 | pc[1]=iparticle->Py(); | |
390 | pc[2]=iparticle->Pz(); | |
391 | Bool_t childok = KinematicSelection(iparticle, 1); | |
392 | if(childok) { | |
393 | pSelected[i] = 1; | |
6ba00c52 | 394 | ncsel++; |
395 | } else { | |
396 | ncsel=-1; | |
397 | break; | |
398 | } // child kine cuts | |
399 | } else { | |
fff02fee | 400 | pSelected[i] = 1; |
886b6f73 | 401 | ncsel++; |
6ba00c52 | 402 | } // if child selection |
403 | } // select muon | |
404 | } // decay particle loop | |
405 | } // if decay products | |
406 | ||
886b6f73 | 407 | Int_t iparent; |
408 | if ((fCutOnChild && ncsel >0) || !fCutOnChild){ | |
409 | ipa++; | |
21aaa175 | 410 | // |
fff02fee | 411 | // Parent |
642f15cf | 412 | PushTrack(0, -1, iPart, p, origin0, polar, 0, kPPrimary, nt, wgtp); |
fff02fee | 413 | pParent[0] = nt; |
a99cf51f | 414 | KeepTrack(nt); |
fff02fee | 415 | // |
416 | // Decay Products | |
417 | // | |
418 | for (i = 1; i < np; i++) { | |
419 | if (pSelected[i]) { | |
420 | TParticle* iparticle = (TParticle *) particles->At(i); | |
421 | Int_t kf = iparticle->GetPdgCode(); | |
422 | Int_t ipa = iparticle->GetFirstMother()-1; | |
423 | ||
424 | och[0] = origin0[0]+iparticle->Vx()/10; | |
425 | och[1] = origin0[1]+iparticle->Vy()/10; | |
426 | och[2] = origin0[2]+iparticle->Vz()/10; | |
427 | pc[0] = iparticle->Px(); | |
428 | pc[1] = iparticle->Py(); | |
429 | pc[2] = iparticle->Pz(); | |
430 | ||
431 | if (ipa > -1) { | |
432 | iparent = pParent[ipa]; | |
433 | } else { | |
434 | iparent = -1; | |
435 | } | |
1242532d | 436 | |
642f15cf | 437 | PushTrack(fTrackIt*trackIt[i], iparent, kf, |
fff02fee | 438 | pc, och, polar, |
439 | 0, kPDecay, nt, wgtch); | |
440 | pParent[i] = nt; | |
a99cf51f | 441 | KeepTrack(nt); |
8b31bfac | 442 | } // Selected |
443 | } // Particle loop | |
28337bc1 | 444 | } // Decays by Lujet |
8b31bfac | 445 | particles->Clear(); |
fff02fee | 446 | if (pFlag) delete[] pFlag; |
447 | if (pParent) delete[] pParent; | |
448 | if (pSelected) delete[] pSelected; | |
8b31bfac | 449 | if (trackIt) delete[] trackIt; |
21aaa175 | 450 | } // kinematic selection |
28337bc1 | 451 | else // nodecay option, so parent will be tracked by GEANT (pions, kaons, eta, omegas, baryons) |
452 | { | |
5d12ce38 | 453 | gAlice->GetMCApp()-> |
642f15cf | 454 | PushTrack(fTrackIt,-1,iPart,p,origin0,polar,0,kPPrimary,nt,wgtp); |
28337bc1 | 455 | ipa++; |
456 | } | |
fe4da5cc | 457 | break; |
21aaa175 | 458 | } // while |
fe4da5cc | 459 | } // event loop |
a99cf51f | 460 | SetHighWaterMark(nt); |
fe4da5cc | 461 | } |
462 | ||
dc1d768c | 463 | void AliGenParam::Draw( const char * /*opt*/) |
5bd39445 | 464 | { |
465 | // | |
466 | // Draw the pT and y Distributions | |
467 | // | |
468 | TCanvas *c0 = new TCanvas("c0","Canvas 0",400,10,600,700); | |
469 | c0->Divide(2,1); | |
470 | c0->cd(1); | |
471 | fPtPara->Draw(); | |
472 | fPtPara->GetHistogram()->SetXTitle("p_{T} (GeV)"); | |
473 | c0->cd(2); | |
474 | fYPara->Draw(); | |
475 | fYPara->GetHistogram()->SetXTitle("y"); | |
476 | } | |
477 | ||
f87cfe57 | 478 | AliGenParam& AliGenParam::operator=(const AliGenParam& rhs) |
479 | { | |
480 | // Assignment operator | |
198bb1c7 | 481 | rhs.Copy(*this); |
f87cfe57 | 482 | return *this; |
483 | } | |
484 | ||
fe4da5cc | 485 | |
486 |