-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
+// **************************************************************************
+// * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+// * *
+// * Author: The ALICE Off-line Project. *
+// * Contributors are mentioned in the code where appropriate. *
+// * *
+// * Permission to use, copy, modify and distribute this software and its *
+// * documentation strictly for non-commercial purposes is hereby granted *
+// * without fee, provided that the above copyright notice appears in all *
+// * copies and that both the copyright notice and this permission notice *
+// * appear in the supporting documentation. The authors make no claims *
+// * about the suitability of this software for any purpose. It is *
+// * provided "as is" without express or implied warranty. *
+// **************************************************************************
#include "AliRICHChamber.h"
-#include "AliRICHConst.h" //for kR2d
#include "AliRICHParam.h"
-#include <TRandom.h>
#include <TRotMatrix.h>
-#include "AliRICHTresholdMap.h"
-#include "AliSegmentation.h"
-#include "AliRICHSegmentationV0.h"
-#include "AliRICHGeometry.h"
-#include "AliRICHResponse.h"
ClassImp(AliRICHChamber)
//______________________________________________________________________________
AliRICHChamber::AliRICHChamber()
-{//default ctor
+{
+//default ctor
fpParam=0;
fpRotMatrix=0;
-
- fSegmentation = 0;
- fResponse = 0;
- fGeometry = 0;
- fTresh = 0;
- for(Int_t i=0; i<50; ++i) fIndexMap[i] = 0;
}
//______________________________________________________________________________
AliRICHChamber::AliRICHChamber(Int_t iModuleN,AliRICHParam *pParam)
-{//named ctor. Defines all geometry parameters for the given module.
- // 6 7 |----> X
- // 3 4 5 |
- // 1 2 V Z
- SetCenter(0,pParam->Offset()-pParam->GapThickness()/2,0);//put to up position
+{
+//main ctor. Defines all geometry parameters for the given module.
+ SetToZenith();//put to up position
switch(iModuleN){
case 1:
RotateX(-pParam->AngleYZ());
fName="RICHc7";fTitle="RICH chamber 7";
break;
default:
- Fatal("named ctor","Wrong chamber number %i, check muster class ctor",iModuleN);
+ Fatal("named ctor","Wrong chamber number %i, check CreateChamber ctor",iModuleN);
}//switch(iModuleN)
RotateZ(pParam->AngleRot());//apply common rotation
- fpRotMatrix=new TRotMatrix("rot"+fName,"rot"+fName, Rot().ThetaX()*kR2d, Rot().PhiX()*kR2d,
- Rot().ThetaY()*kR2d, Rot().PhiY()*kR2d,
- Rot().ThetaZ()*kR2d, Rot().PhiZ()*kR2d);
+ fpRotMatrix=new TRotMatrix("rot"+fName,"rot"+fName, Rot().ThetaX()*TMath::RadToDeg(), Rot().PhiX()*TMath::RadToDeg(),
+ Rot().ThetaY()*TMath::RadToDeg(), Rot().PhiY()*TMath::RadToDeg(),
+ Rot().ThetaZ()*TMath::RadToDeg(), Rot().PhiZ()*TMath::RadToDeg());
fpParam=pParam;
- fX=fCenterV3.X();fY=fCenterV3.Y();fZ=fCenterV3.Z();
-}
-//______________________________________________________________________________
-
-void AliRICHChamber::LocaltoGlobal(Float_t local[3],Float_t global[3])
-{//Local coordinates to global coordinates transformation
-
- Double_t *pMatrix;
- pMatrix = fpRotMatrix->GetMatrix();
- global[0]=local[0]*pMatrix[0]+local[1]*pMatrix[3]+local[2]*pMatrix[6];
- global[1]=local[0]*pMatrix[1]+local[1]*pMatrix[4]+local[2]*pMatrix[7];
- global[2]=local[0]*pMatrix[2]+local[1]*pMatrix[5]+local[2]*pMatrix[8];
- global[0]+=fX;
- global[1]+=fY;
- global[2]+=fZ;
-}
-
-void AliRICHChamber::GlobaltoLocal(Float_t global[3],Float_t local[3])
-{// Global coordinates to local coordinates transformation
- TMatrix matrixCopy(3,3);
- Double_t *pMatrixOrig = fpRotMatrix->GetMatrix();
- for(Int_t i=0;i<3;i++)
- {
- for(Int_t j=0;j<3;j++)
- matrixCopy(j,i)=pMatrixOrig[j+3*i];
- }
- matrixCopy.Invert();
- local[0] = global[0] - fX;
- local[1] = global[1] - fY;
- local[2] = global[2] - fZ;
- local[0]=local[0]*matrixCopy(0,0)+local[1]*matrixCopy(0,1)+local[2]*matrixCopy(0,2);
- local[1]=local[0]*matrixCopy(1,0)+local[1]*matrixCopy(1,1)+local[2]*matrixCopy(1,2);
- local[2]=local[0]*matrixCopy(2,0)+local[1]*matrixCopy(2,1)+local[2]*matrixCopy(2,2);
-}
-
-void AliRICHChamber::DisIntegration(Float_t eloss, Float_t xhit, Float_t yhit,
- Int_t& iNpads,Float_t cluster[5][500],ResponseType res)
-{//Generates pad hits (simulated cluster) using the segmentation and the response model
-
- Float_t local[3],global[3];
-// Width of the integration area
- Float_t dx=(fResponse->SigmaIntegration())*(fResponse->ChargeSpreadX());
- Float_t dy=(fResponse->SigmaIntegration())*(fResponse->ChargeSpreadY());
-// Get pulse height from energy loss and generate feedback photons
- Float_t qtot=0;
- local[0]=xhit;
-//z-position of the wires relative to the RICH mother volume (2 mm before CsI) old value: 6.076 ???????
- local[1]=1.276 + fGeometry->GetGapThickness()/2 - .2;
- local[2]=yhit;
-
- LocaltoGlobal(local,global);
-
-
-
-//To calculate wire sag, the origin of y-position must be the middle of the photcathode
- AliRICHSegmentationV0* segmentation = (AliRICHSegmentationV0*) GetSegmentationModel();
- Float_t newy;
- if (yhit>0)
- newy = yhit - segmentation->GetPadPlaneLength()/2;
- else
- newy = yhit + segmentation->GetPadPlaneLength()/2;
-
- if(res==kMip){
- qtot = fResponse->IntPH(eloss, newy);
- fResponse->FeedBackPhotons(global,qtot);
- }else if(res==kPhoton){
- qtot = fResponse->IntPH(newy);
- fResponse->FeedBackPhotons(global,qtot);
- }
-
- // Loop Over Pads
-
- Float_t qcheck=0, qp=0;
-
- iNpads=0;
- for(fSegmentation->FirstPad(xhit, yhit, 0, dx, dy);
- fSegmentation->MorePads();
- fSegmentation->NextPad()) {
- qp= fResponse->IntXY(fSegmentation);
- qp= TMath::Abs(qp);
- if(qp >1.e-4){
- qcheck+=qp;
- cluster[0][iNpads]=qp*qtot;// --- store signal information
- cluster[1][iNpads]=fSegmentation->Ix();
- cluster[2][iNpads]=fSegmentation->Iy();
- cluster[3][iNpads]=fSegmentation->ISector();
- iNpads++;
- }
- }//pad loop
-}//void AliRICHChamber::DisIntegration(...
-//__________________________________________________________________________________________________
-void AliRICHChamber::GenerateTresholds()
-{//Generates random treshold charges for all pads
- Int_t nx = fSegmentation->Npx();
- Int_t ny = fSegmentation->Npy();
-
- fTresh = new AliRICHTresholdMap(fSegmentation);
- for(Int_t i=-nx/2;i<nx/2;i++){
- for(Int_t j=-ny/2;j<ny/2;j++){
- Int_t pedestal = (Int_t)(gRandom->Gaus(50, 10));
- fTresh->SetHit(i,j,pedestal);
- }
- }
-}//void AliRICHChamber::GenerateTresholds()
+}//main ctor
//__________________________________________________________________________________________________
void AliRICHChamber::Print(Option_t *) const
{
+//debug printout method
printf("%s r=%8.3f theta=%5.1f phi=%5.1f x=%8.3f y=%8.3f z=%8.3f %6.2f,%6.2f %6.2f,%6.2f %6.2f,%6.2f\n",fName.Data(),
Rho(), ThetaD(),PhiD(), X(), Y(), Z(),
ThetaXd(),PhiXd(),ThetaYd(),PhiYd(),ThetaZd(),PhiZd());
-}//void AliRICHChamber::Print(Option_t *option)const
+}//Print()
//__________________________________________________________________________________________________
-void AliRICHChamber::SetChamberTransform(Float_t x,Float_t y,Float_t z,TRotMatrix *pRotMatrix)
-{
- SetCenter(x,y,z);
- fpRotMatrix=pRotMatrix;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff