X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=FMD%2FAliFMDv0.cxx;h=d931b834e0ecbca63de0c0ccfcfe0417dd4dc1c9;hb=024dfa5205bc14218e575ac59d0bb9897fb004d0;hp=c745d5d5a5f5bcb01b84db04ffeb53313e311073;hpb=0422d7f8e9578c5dcee942bd74cfe763fb17a42f;p=u%2Fmrichter%2FAliRoot.git diff --git a/FMD/AliFMDv0.cxx b/FMD/AliFMDv0.cxx index c745d5d5a5f..d931b834e0e 100644 --- a/FMD/AliFMDv0.cxx +++ b/FMD/AliFMDv0.cxx @@ -12,274 +12,36 @@ * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ - ///////////////////////////////////////////////////////////////////// -// // -// Forward Multiplicity detector based on Silicon version 0 // -// -//Begin Html -/* - +/* $Id$ */ +/** @file AliFMDv0.cxx + @author Christian Holm Christensen + @date Mon Mar 27 12:48:51 2006 + @brief Concrete implementation of FMD detector driver - coarse + version */ -//End Html -// // -// // -////////////////////////////////////////////////////////////////////// - -#include -#include -#include -#include -#include -#include "AliFMDv0.h" -#include "AliRun.h" -#include "AliMC.h" -#include -#include -#include "/afs/cern.ch/alice/offline/new/RALICE/AliRandom.h" -#include "AliMagF.h" -#include "AliFMDhit.h" -#include - -//class TGeant3; -ClassImp(AliFMDv0) - -//-------------------------------------------------------------------- -AliFMDv0::AliFMDv0(const char *name, const char *title): - AliFMD(name,title) -{ - // - // Standart constructor for Forward Multiplicity Detector version 0 - // - fIdSens1=0; -// setBufferSize(128000); -} -//------------------------------------------------------------------------- -void AliFMDv0::CreateGeometry() -{ - // - // Create the geometry of Forward Multiplicity Detector version 0 - // - //Detector consists of 6 volumes: - // 1st covered pseudorapidity interval from 3.3 to 2.0 - // and placed on 65cm in Z-direction; - // 2nd - from 2.0 to 1.6 and Z=85 cm; - // 3d - the same pseudorapidity interval as the 1st - // but on the other side from the interaction point z=-65cm; - // 4th - simmetricaly with the 2nd : - // pseudorapidity from 2.0 to 1.6, Z=-85cm - // 5th - from 3.6 to 4.7, Z=-270cm - // 6th - from 4.5 to 5.5 , Z=-630cm. - // Each part has 400mkm Si (sensetive area, detector itself), - // 0.75cm of plastic simulated electronics material, - // Al support ring 2cm thickness and 1cm width placed on - // the outer radius of each Si disk; - // - // begin Html - /* - - */ - // - - Int_t *idtmed = fIdtmed->GetArray(); - - Int_t ifmd; - Int_t idrotm[999]; - Float_t zfmd,par[3]; - char name[5]; - - Float_t rin[6], rout[6],zpos; - Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.7, 5.5}; - Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.6, 4.5}; - Float_t z[6]={64., 85., -64., -85., -270., -630}; - Float_t zDet=0.04; - Float_t zElectronic=0.75; - Float_t zSupport=1.; - Float_t zFMD=3.; -//------------------------------------------------------------------- - // FMD - //------------------------------------------------------------------ - - AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0); - - gMC->Gsvolu("GFSI","TUBE", idtmed[1], par, 0); - gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0); - gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0); - - for (ifmd =0; ifmd < 6; ifmd++){ - - sprintf(name,"FMD%d",ifmd); - if (fDebug) - printf("%s: %s",ClassName(),name); - - zfmd=TMath::Abs(z[ifmd]); - if (fDebug) printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]); - AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]); - AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]); - - par[0]=rin[ifmd]; // pipe size - par[1]=rout[ifmd]; - par[2]=zFMD/2; - gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3); - - if (fDebug) printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]); - if (z[ifmd] < 0){ - gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");} - else { - gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");} - //Silicon detector - par[2]=zDet/2; - zpos=zFMD/2 -par[2]; - gMC->Gsposp("GFSI",ifmd+1,name,0,0,zpos,0, "ONLY",par,3); - - //Plastic slice for electronics - par[2]=zElectronic/2; - zpos=zpos-zDet/2-par[2]; - gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3); - - //Simple Al support - par[1]=rout[ifmd]; - par[0]=rout[ifmd]-2; - par[2]=zSupport/2; - zpos=zpos-zElectronic/2-par[2]; - gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3); - - - } - //Silicon - - - - -} -//------------------------------------------------------------------------ -void AliFMDv0::CreateMaterials() -{ - Int_t isxfld = gAlice->Field()->Integ(); - Float_t sxmgmx = gAlice->Field()->Max(); - - // Plastic CH - Float_t aPlastic[2]={1.01,12.01}; - Float_t zPlastic[2]={1,6}; - Float_t wPlastic[2]={1,1}; - Float_t denPlastic=1.03; - // - - //*** Definition Of avaible FMD materials *** - AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999); - AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999); - AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999); - AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic); - - -//** - AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001); - AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); - AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); - AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); - - - -} -//--------------------------------------------------------------------- -void AliFMDv0::DrawDetector() -{ +//____________________________________________________________________ +// +// Forward Multiplicity Detector based on Silicon wafers. This class +// contains the base procedures for the Forward Multiplicity detector +// Detector consists of 3 sub-detectors FMD1, FMD2, and FMD3, each of +// which has 1 or 2 rings of silicon sensors. +// +// This contains the coarse version of the FMD - that is, the +// simulation produces no hits in the FMD volumes. // -// Draw a shaded view of the Forward multiplicity detector version 0 +// See also the AliFMD class for a more detailed description of the +// various components. // -AliMC* pMC = AliMC::GetMC(); +#include "AliFMDv0.h" // ALIFMDV0_H -//Set ALIC mother transparent -pMC->Gsatt("ALIC","SEEN",0); -// -//Set volumes visible -gMC->Gsatt("FMD0","SEEN",1); -gMC->Gsatt("FMD1","SEEN",1); -gMC->Gsatt("FMD2","SEEN",1); -gMC->Gsatt("FMD3","SEEN",1); -gMC->Gsatt("FMD4","SEEN",1); -gMC->Gsatt("FMD5","SEEN",1); +//____________________________________________________________________ +ClassImp(AliFMDv0) +#if 0 + ; // This is here to keep Emacs for indenting the next line +#endif +//___________________________________________________________________ // -gMC->Gdopt("hide","on"); -gMC->Gdopt("shad","on"); -gMC->SetClipBox("."); -gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); -gMC->DefaultRange(); -gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2); -gMC->Gdhead(1111,"Forward multiplicity detector"); -gMC->Gdopt("hide","off"); -} -//------------------------------------------------------------------- -void AliFMDv0::Init() -{ -// Initialises version 0 of the Forward Multiplicity Detector +// EOF // -AliMC* gMC=AliMC::GetMC(); -AliFMD::Init(); -fIdSens1=gMC->VolId("GFSI"); -if (fDebug) printf("*** FMD version 0 initialized ***\n"); -} - -//------------------------------------------------------------------- - -void AliFMDv0::StepManager() -{ - // - // Called for every step in the Forward Multiplicity Detector - // - Int_t id,copy; - static Float_t hits[9]; - static Int_t vol[1]; - static Float_t de; - TLorentzVector pos; - TLorentzVector mom; - - - TClonesArray &lhits = *fHits; - AliMC* gMC=AliMC::GetMC(); - if(!gMC->IsTrackAlive()) return; // particle has disappeared - - Float_t charge = gMC->TrackCharge(); - if(TMath::Abs(charge)<=0.) return; //take only charged particles - - // ((TGeant3*)gMC)->Gpcxyz(); - - id=gMC->CurrentVolID(copy); - -// Check the sensetive volume - if(id==fIdSens1) - { - if(gMC->IsTrackEntering()) - { - vol[0]=copy; - gMC->TrackPosition(pos); - hits[0]=pos[0]; - hits[1]=pos[1]; - hits[2]=pos[2]; - - gMC->TrackMomentum(mom); - hits[3]=mom[0]; - hits[4]=mom[1]; - hits[5]=mom[2]; - - Int_t iPart= gMC->TrackPid(); - Int_t partId=gMC->IdFromPDG(iPart); - hits[7]=partId; - hits[8]=1e9*gMC->TrackTime(); - de=0.; - } - if(gMC->IsTrackInside()){ - de=de+1000.*gMC->Edep(); - } - - if(gMC->IsTrackExiting() - ||gMC->IsTrackDisappeared()|| - gMC->IsTrackStop()) - { - hits[6]=de+1000.*gMC->Edep(); - new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits); - } // IsTrackExiting() - } - } -