/*
$Log$
+Revision 1.8.6.1 2002/07/30 15:00:39 alibrary
+Correction in initialization of dx (Enrique Gamez Flores).
+
+Revision 1.9 2002/07/30 13:48:03 morsch
+
+Correction in initialization of dx (Enrique Gamez Flores).
+
+Revision 1.8 2002/02/08 16:50:50 morsch
+Add name and title in constructor.
+
+Revision 1.7 2001/07/27 17:09:35 morsch
+Use local SetTrack, KeepTrack and SetHighWaterMark methods
+to delegate either to local stack or to stack owned by AliRun.
+(Piotr Skowronski, A.M.)
+
+Revision 1.6 2000/12/21 16:24:06 morsch
+Coding convention clean-up
+
+Revision 1.5 2000/12/06 15:11:38 morsch
+Correct double declared data members.
+
+Revision 1.4 2000/11/30 07:12:50 alibrary
+Introducing new Rndm and QA classes
+
+Revision 1.3 2000/10/02 21:28:06 fca
+Removal of useless dependecies via forward declarations
+
+Revision 1.2 2000/06/09 20:37:51 morsch
+All coding rule violations except RS3 corrected
+
Revision 1.1 2000/02/23 16:25:14 morsch
First commit of this file
*/
+// As AliGenScan, generation of particles on a 3-dim grid
+// but here double hits with a predefined distance are generated.
+// The second particle is generated at a constant distance but with random phi.
+// Generator can be used to evaluate double hit resolutions.
+// Author: andreas.morsch@cern.ch
+
#include "AliGenDoubleScan.h"
#include "AliRun.h"
:AliGenScan(npart)
{
// Constructor
+ fName = "Double Scan";
+ fTitle= "Particle Generator for two correlated particles on a grid";
}
//____________________________________________________________
Float_t dx,dy,dz;
//
- if (fNy > 0) {
- dx=(fXmax-fXmin)/fNx;
+ if (fNx > 0) {
+ dx=(fXCmax-fXCmin)/fNx;
} else {
dx=1e10;
}
if (fNy > 0) {
- dy=(fYmax-fYmin)/fNy;
+ dy=(fYCmax-fYCmin)/fNy;
} else {
dy=1e10;
}
for (Int_t ix=0; ix<fNx; ix++) {
for (Int_t iy=0; iy<fNy; iy++) {
for (Int_t iz=0; iz<fNz; iz++){
- gMC->Rndm(random,6);
- origin[0]=fXmin+ix*dx+2*(random[0]-0.5)*fOsigma[0];
- origin[1]=fYmin+iy*dy+2*(random[1]-0.5)*fOsigma[1];
+ Rndm(random,6);
+ origin[0]=fXCmin+ix*dx+2*(random[0]-0.5)*fOsigma[0];
+ origin[1]=fYCmin+iy*dy+2*(random[1]-0.5)*fOsigma[1];
origin[2]=fZmin+iz*dz+2*(random[2]-0.5)*fOsigma[2];
pmom=fPMin+random[3]*(fPMax-fPMin);
theta=fThetaMin+random[4]*(fThetaMax-fThetaMin);
p[0] = pmom*TMath::Cos(phi)*TMath::Sin(theta);
p[1] = pmom*TMath::Sin(phi)*TMath::Sin(theta);
p[2] = pmom*TMath::Cos(theta);
- gAlice->SetTrack(fTrackIt,-1,fIpart,p,origin,polar,0,"Primary",nt);
+ SetTrack(fTrackIt,-1,fIpart,p,origin,polar,0,kPPrimary,nt);
//
// Generate 2nd particle at distance fDistance from the first
//
- gMC->Rndm(random,6);
+ Rndm(random,6);
Float_t phi2=2.*TMath::Pi()*random[0];
Float_t dx =fDistance*TMath::Sin(phi2);
Float_t dy =fDistance*TMath::Cos(phi2);
p[0] = pmom*TMath::Cos(phi)*TMath::Sin(theta);
p[1] = pmom*TMath::Sin(phi)*TMath::Sin(theta);
p[2] = pmom*TMath::Cos(theta);
- gAlice->SetTrack(fTrackIt,-1,fIpart,p,origin,polar,0,"Primary",nt);
+ SetTrack(fTrackIt,-1,fIpart,p,origin,polar,0,kPPrimary,nt);
}
}
}