/* $Id$ */
-// ------------------
+//-----------------------------------------------------------------------------
// Class AliMUONTriggerResponseV1
// ------------------
// Trigger chamber response
// with cluster size activated
+//-----------------------------------------------------------------------------
+
+#include "AliMUONResponseTriggerV1.h"
+#include "AliMUON.h"
+#include "AliMUONDigit.h"
+#include "AliMUONGeometryTransformer.h"
+#include "AliMUONConstants.h"
+
+#include "AliMpPad.h"
+#include "AliMpSegmentation.h"
+#include "AliMpVSegmentation.h"
+#include "AliMpCathodType.h"
+
+#include "AliRun.h"
#include <TMath.h>
#include <TRandom.h>
-#include "AliMUONResponseTriggerV1.h"
-#include "AliMUONGeometrySegmentation.h"
-
+/// \cond CLASSIMP
ClassImp(AliMUONResponseTriggerV1)
+/// \endcond
+
+namespace
+{
+ AliMUON* muon()
+ {
+ return static_cast<AliMUON*>(gAlice->GetModule("MUON"));
+ }
+
+ void Global2Local(Int_t detElemId, Double_t xg, Double_t yg, Double_t zg,
+ Double_t& xl, Double_t& yl, Double_t& zl)
+ {
+ // ideally should be :
+ // Double_t x,y,z;
+ // AliMUONGeometry::Global2Local(detElemId,xg,yg,zg,x,y,z);
+ // but while waiting for this geometry singleton, let's go through
+ // AliMUON still.
+
+ const AliMUONGeometryTransformer* transformer = muon()->GetGeometryTransformer();
+ transformer->Global2Local(detElemId,xg,yg,zg,xl,yl,zl);
+ }
+
+}
//------------------------------------------------------------------
AliMUONResponseTriggerV1::AliMUONResponseTriggerV1()
- : AliMUONResponseTrigger()
+ : AliMUONResponseTrigger(),
+ fGenerCluster(0),
+ fA(0),
+ fB(0),
+ fC(0)
{
-// default constructor
+/// default constructor
Float_t hv=9.2;
SetParameters(hv);
}
//------------------------------------------------------------------
AliMUONResponseTriggerV1::AliMUONResponseTriggerV1(Float_t hv)
- : AliMUONResponseTrigger()
+ : AliMUONResponseTrigger(),
+ fGenerCluster(0),
+ fA(0),
+ fB(0),
+ fC(0)
{
-// Constructor
+/// Constructor
SetParameters(hv);
}
//------------------------------------------------------------------
-void AliMUONResponseTriggerV1::SetParameters(Float_t hv){
-// initialize parameters accoring to HV
-// (see V.Barret B.Espagnon and P.Rosnet Alice/note xxx)
+AliMUONResponseTriggerV1::~AliMUONResponseTriggerV1()
+{
+/// destructor
+}
+
+//------------------------------------------------------------------
+void AliMUONResponseTriggerV1::SetParameters(Float_t hv)
+{
+/// initialize parameters accoring to HV
+/// (see V.Barret B.Espagnon and P.Rosnet Alice/note xxx)
+/// this parametrisation is valid only for the "streamer" mode
fA = 6.089 * hv - 52.70;
fB = 2.966;
fC = 4.3e-4 * hv - 3.5e-3;
}
//------------------------------------------------------------------
-Int_t AliMUONResponseTriggerV1::SetGenerCluster(){
-// Set the GenerCluster parameter and return 1
+Int_t AliMUONResponseTriggerV1::SetGenerCluster()
+{
+/// Set the GenerCluster parameter and return 1
fGenerCluster = gRandom->Rndm();
return 1;
-}
-
-//------------------------------------------------------------------
-Float_t AliMUONResponseTriggerV1::IntXY(Int_t idDE, AliMUONGeometrySegmentation * segmentation) const
-{
-// Returns 1 or 0 if the current strip is fired or not
-// get the "parameters" needed to evaluate the strip response
-// x1 : hit x(y) position
-// x2 : x(y) coordinate of the main strip
-// x3 : current strip real x(y) coordinate
-// x4 : dist. between x(y) hit pos. and the closest border of the current strip
-
- Float_t x1,x2,x3,x4;
- segmentation->IntegrationLimits(idDE, x1,x2,x3,x4);
- Float_t theta = 0.; // incident angle to be implemented
-
- return (fGenerCluster < FireStripProb(x4,theta)) ? 1:0;
}
//------------------------------------------------------------------
Float_t AliMUONResponseTriggerV1::FireStripProb(Float_t x4, Float_t theta)
const
{
-// parametrisation of the probability that a strip neighbour of the main
-// strip is fired (V.Barret B.Espagnon and P.Rosnet Alice/note xxx)
-// WARNING : need to convert x4 from cm to mm
+/// parametrisation of the probability that a strip neighbour of the main
+/// strip is fired (V.Barret B.Espagnon and P.Rosnet INT/DIM/01-04 (2001)
+/// WARNING : need to convert x4 from cm to mm
+/// this parametrisation is valid only for the "streamer" mode
+
+ return
+ (TMath::Cos(theta)*fA/(fA+TMath::Cos(theta)*TMath::Power(x4*10.,fB))+fC)/
+ (TMath::Cos(theta)+fC);
+}
+
+//------------------------------------------------------------------
+void AliMUONResponseTriggerV1::DisIntegrate(const AliMUONHit& hit, TList& digits, Float_t /*timeDif*/)
+{
+ /// Generate digits (on each cathode) from 1 hit, with cluster-size
+ /// generation.
+
+ digits.Clear();
+
+ Float_t xhit = hit.X();
+ Float_t yhit = hit.Y();
+ Float_t zhit = hit.Z();
+ Int_t detElemId = hit.DetElemId();
+
+ Double_t x,y,z;
+ Global2Local(detElemId,xhit,yhit,zhit,x,y,z);
+
+ Float_t tof = hit.Age();
+ Int_t twentyNano(100);
+ if (tof<AliMUONConstants::TriggerTofLimit())
+ {
+ twentyNano=1;
+ }
+
+ Int_t nboard = 0;
+
+ for ( Int_t cath = AliMp::kCath0; cath <= AliMp::kCath1; ++cath )
+ {
+ const AliMpVSegmentation* seg
+ = AliMpSegmentation::Instance()
+ ->GetMpSegmentation(detElemId,AliMp::GetCathodType(cath));
+
+ AliMpPad pad = seg->PadByPosition(x,y,kFALSE);
+ Int_t ix = pad.GetIx();
+ Int_t iy = pad.GetIy();
+
+ AliDebug(1,Form("xhit,yhit=%e,%e lx,ly,lz=%e,%e,%e ix,iy=%d,%d",
+ xhit,yhit,x,y,z,ix,iy));
+
+ if ( !pad.IsValid() )
+ {
+ AliWarning(Form("hit w/o strip %d-%d xhit,yhit=%e,%e local x,y,z "
+ "%e,%e,%e ix,iy=%d,%d",detElemId,
+ cath,
+ xhit,yhit,x,y,z,ix,iy));
+ continue;
+ }
+
+ if ( cath == AliMp::kCath0 ) nboard = pad.GetLocalBoardId(0);
+
+ AliMUONDigit* d = new AliMUONDigit(detElemId,nboard,
+ pad.GetLocalBoardChannel(0),
+ cath);
+ d->SetPadXY(ix,iy);
+
+ d->SetCharge(twentyNano);
+
+
+ digits.Add(d);
+
+ SetGenerCluster(); // 1 randum number per cathode (to be checked)
+
+ Int_t xList[10], yList[10];
+ Neighbours(cath,ix,iy,xList,yList);
+
+// cout << " detElemId cath ix iy = " << detElemId << " " << cath
+// << " " << ix << " " << iy << "\n";
+// for (Int_t i=0; i<10; i++) cout << " " << xList[i] << " " << yList[i];
+// cout << "\n";
+
+ Int_t qp = 0; // fired/no-fired strip = 1/0
+ for (Int_t i=0; i<10; i++) { // loop on neighbors
+ if (i==0||i==5||qp!=0) { // built-up cluster
+
+ // need to iterate in iy/ix for bending/non-bending plane
+ Int_t ixNeigh = ( cath == 0 ) ? ix : xList[i];
+ Int_t iyNeigh = ( cath == 0 ) ? yList[i] : iy;
+
+ AliMpPad padNeigh = seg->PadByIndices(ixNeigh,iyNeigh,kFALSE);
+ if(padNeigh.IsValid()){ // existing neighbourg
+
+ Int_t dix=-(ixNeigh-ix);
+ Int_t diy=-(iyNeigh-iy);
+ Float_t xlocalNeigh = padNeigh.GetPositionX();
+ Float_t ylocalNeigh = padNeigh.GetPositionY();
+ Float_t dpx = padNeigh.GetDimensionX();
+ Float_t dpy = padNeigh.GetDimensionY();
+ Float_t distX = TMath::Abs((Float_t)dix) * ((Float_t)dix * dpx + xlocalNeigh - x);
+ Float_t distY = TMath::Abs((Float_t)diy) * ((Float_t)diy * dpy + ylocalNeigh - y);
+ Float_t dist = TMath::Sqrt(distX*distX+distY*distY);
+
+// cout << " here " << dist << " " << fGenerCluster << " " << FireStripProb(dist,0) << "\n";
+
+ if (fGenerCluster<FireStripProb(dist,0)) qp = 1;
+ else qp = 0;
+
+ if (qp == 1) { // this digit is fired
+ Int_t neighBoard = 0;
+ if ( cath == AliMp::kCath0 ) neighBoard = padNeigh.GetLocalBoardId(0);
+ else {
+ const AliMpVSegmentation* seg0
+ = AliMpSegmentation::Instance()
+ ->GetMpSegmentation(detElemId,AliMp::GetCathodType(AliMp::kCath0));
+ AliMpPad padNeigh0 = seg0->PadByPosition(xlocalNeigh, y, kFALSE);
+ if ( ! padNeigh0.IsValid() ) continue; // This can happen only on the cut RPC, at boards 25, 30, 142 and 147
+ neighBoard = padNeigh0.GetLocalBoardId(0);
+ }
+ AliMUONDigit* dNeigh = new AliMUONDigit(detElemId,neighBoard,
+ padNeigh.GetLocalBoardChannel(0),
+ cath);
+
+ dNeigh->SetPadXY(ixNeigh,iyNeigh);
+ dNeigh->SetCharge(twentyNano);
+ digits.Add(dNeigh);
+ } // digit fired
+ } // pad is valid
+ } // built-up cluster
+ } // loop on neighbors
+ } // loop on cathode
+}
+
+//------------------------------------------------------------------
+void AliMUONResponseTriggerV1::Neighbours(const Int_t cath,
+ const Int_t ix, const Int_t iy,
+ Int_t Xlist[10], Int_t Ylist[10]) const
+{
+ ///-----------------BENDING----------------------------------------- /n
+ /// Returns list of 10 next neighbours for given X strip (ix, iy) /n
+ /// neighbour number 4 in the list - /n
+ /// neighbour number 3 in the list | /n
+ /// neighbour number 2 in the list |_ Upper part /n
+ /// neighbour number 1 in the list | /n
+ /// neighbour number 0 in the list - /n
+ /// X strip (ix, iy) /n
+ /// neighbour number 5 in the list - /n
+ /// neighbour number 6 in the list | _ Lower part /n
+ /// neighbour number 7 in the list | /n
+ /// neighbour number 8 in the list | /n
+ /// neighbour number 9 in the list - /n
+ /// /n
+ ///-----------------NON-BENDING------------------------------------- /n
+ /// Returns list of 10 next neighbours for given Y strip (ix, iy) /n
+ /// neighbour number 9 8 7 6 5 (Y strip (ix, iy)) 0 1 2 3 4 in the list /n
+ /// |_______| |_______/ /n
+
+ /// left right /n
+
+ for (Int_t i=0; i<10; i++) {
+ Xlist[i]=-1;
+ Ylist[i]=-1;
+ }
+
+ Int_t iList[10]={9,8,7,6,5, 0,1,2,3,4};
- return
- (TMath::Cos(theta)*fA/(fA+TMath::Cos(theta)*TMath::Power(x4*10.,fB))+fC)/
- (TMath::Cos(theta)+fC);
+ // need to iterate in iy/ix for bending/non-bending plane
+ Int_t iNeigh = ( cath == 0 ) ? iy : ix;
+
+ Int_t i=0;
+ for (Int_t j=iNeigh-5; j<=iNeigh+5; j++){
+ if (j == iNeigh) continue;
+ // need to iterate in iy/ix for bending/non-bending plane
+ Int_t ixNeigh = ( cath == 0 ) ? ix : j;
+ Int_t iyNeigh = ( cath == 0 ) ? j : iy;
+
+// cout << " " << cath << " " << ix << " " << iy
+// << " " << ixNeigh << " " << iyNeigh << "\n";
+
+ Xlist[iList[i]]=ixNeigh;
+ Ylist[iList[i]]=iyNeigh;
+ i++;
+ }
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff