* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.1 2000/06/09 20:22:58 morsch
-Same class as previously in AliSimpleGen.cxx
-All coding rule violations except RS3 corrected (AM)
-
-*/
-
-/*
-Old Log:
-Revision 1.8 2000/06/08 13:34:50 fca
-Better control of momentum range in GenBox
-
-Revision 1.7 2000/06/07 16:29:58 fca
-Adding check for pt range in AliGenBox
-
-Revision 1.6 1999/11/03 17:43:20 fca
-New version from G.Martinez & A.Morsch
-
-Revision 1.5 1999/09/29 09:24:14 fca
-Introduction of the Copyright and cvs Log
-*/
-
-///////////////////////////////////////////////////////////////////
-// //
-// Generate the final state of the interaction as the input //
-// to the MonteCarlo //
-//
-//Begin_Html
-/*
-<img src="picts/AliGeneratorClass.gif">
-</pre>
-<br clear=left>
-<font size=+2 color=red>
-<p>The responsible person for this module is
-<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
-</font>
-<pre>
-*/
-//End_Html
-// //
-///////////////////////////////////////////////////////////////////
+/* $Id$ */
+
+// Generator for particles in a preset
+// kinematic range (flat distribution)
+// Note that for a given theta pt and p are not independent
+// Range for only one variable (pt or p) should be given.
+// Comments and suggestions: andreas.morsch@cern.ch
+
+
+#include "TPDGCode.h"
+
+#include "AliConst.h"
#include "AliGenBox.h"
#include "AliRun.h"
-#include "AliConst.h"
-#include "AliPDG.h"
+#include "AliGenEventHeader.h"
ClassImp(AliGenBox)
//_____________________________________________________________________________
AliGenBox::AliGenBox()
- :AliGenerator()
+ :AliGenerator(),
+ fIpart(0)
{
//
// Default constructor
//
- fIpart=0;
}
//_____________________________________________________________________________
AliGenBox::AliGenBox(Int_t npart)
- :AliGenerator(npart)
+ :AliGenerator(npart),
+ fIpart(kProton)
{
//
// Standard constructor
//
- fName="Box";
- fTitle="Box particle generator";
- // Generate Proton by default
- fIpart=kProton;
+ fName = "Box";
+ fTitle = "Box particle generator";
}
//_____________________________________________________________________________
//
for (j=0;j<3;j++) origin[j]=fOrigin[j];
if(fVertexSmear==kPerEvent) {
- gMC->Rndm(random,6);
- for (j=0;j<3;j++) {
- origin[j]+=fOsigma[j]*TMath::Cos(2*random[2*j]*TMath::Pi())*
- TMath::Sqrt(-2*TMath::Log(random[2*j+1]));
- }
+ Vertex();
+ for (j=0;j<3;j++) origin[j]=fVertex[j];
}
+
for(i=0;i<fNpart;i++) {
- gMC->Rndm(random,3);
+ Rndm(random,3);
theta=fThetaMin+random[0]*(fThetaMax-fThetaMin);
if(TestBit(kMomentumRange)) {
pmom=fPMin+random[1]*(fPMax-fPMin);
p[2] = pmom*TMath::Cos(theta);
if(fVertexSmear==kPerTrack) {
- gMC->Rndm(random,6);
+ Rndm(random,6);
for (j=0;j<3;j++) {
origin[j]=fOrigin[j]+fOsigma[j]*TMath::Cos(2*random[2*j]*TMath::Pi())*
TMath::Sqrt(-2*TMath::Log(random[2*j+1]));
}
}
- gAlice->SetTrack(fTrackIt,-1,fIpart,p,origin,polar,0,"Primary",nt);
+ PushTrack(fTrackIt,-1,fIpart,p,origin,polar,0,kPPrimary,nt);
+ }
+
+ AliGenEventHeader* header = new AliGenEventHeader("BOX");
+ header->SetPrimaryVertex(fVertex);
+ header->SetNProduced(fNpart);
+
+ // Passes header either to the container or to gAlice
+ if (fContainer) {
+ fContainer->AddHeader(header);
+ } else {
+ gAlice->SetGenEventHeader(header);
}
}