/**************************************************************************
* 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. *
**************************************************************************/
/*
$Log$
Revision 1.9 1999/11/14 14:33:25 fca
Correct problems with distructors and pointers, thanks to I.Hrivnacova
Revision 1.8 1999/09/29 09:24:19 fca
Introduction of the Copyright and cvs Log
*/
///////////////////////////////////////////////////////////////////////////////
//
// An overview of the basic philosophy of the ITS code development
// and analysis is show in the figure below.
//Begin_Html
/*
Roberto Barbera is in charge of the ITS Offline code (1999).
Roberto Barbera.
*/
//End_Html
//
// AliITS. Inner Traking System base class.
// This class contains the base procedures for the Inner Tracking System
//
//Begin_Html
/*
This show the class diagram of the different elements that are part of
the AliITS class.
*/
//End_Html
//
// Version: 0
// Written by Rene Brun, Federico Carminati, and Roberto Barbera
//
// Version: 1
// Modified and documented by Bjorn S. Nilsen
// July 11 1999
//
// AliITS is the general base class for the ITS. Also see AliDetector for
// futher information.
//
///////////////////////////////////////////////////////////////////////////////
#include
#include
#include
#include
#include
#include
#include "AliITSmodule.h"
#include "AliDetector.h"
#include "AliITS.h"
#include "TClonesArray.h"
#include "TObjArray.h"
#include "AliITShit.h"
#include "AliITSdigit.h"
#include "AliRun.h"
ClassImp(AliITS)
//_____________________________________________________________________________
AliITS::AliITS() {
//
// Default initialiser for ITS
// The default constructor of the AliITS class. In addition to
// creating the AliITS class it zeros the variables fIshunt (a member
// of AliDetector class), fEuclidOut, and fIdN, and zeros the pointers
// fITSpoints, fIdSens, and fIdName.
//
fITSpoints = 0;
fIshunt = 0;
fEuclidOut = 0;
fIdN = 0;
fIdName = 0;
fIdSens = 0;
fITSmodules = 0;
}
//_____________________________________________________________________________
AliITS::AliITS(const char *name, const char *title):AliDetector(name,title){
//
// Default initialiser for ITS
// The constructor of the AliITS class. In addition to creating the
// AliITS class, it allocates memory for the TClonesArrays fHits and
// fDigits, and for the TObjArray fITSpoints. It also zeros the variables
// fIshunt (a member of AliDetector class), fEuclidOut, and fIdN, and zeros
// the pointers fIdSens and fIdName. To help in displaying hits via the ROOT
// macro display.C AliITS also sets the marker color to red. The variables
// passes with this constructor, const char *name and *title, are used by
// the constructor of AliDetector class. See AliDetector class for a
// description of these parameters and its constructor functions.
//
fHits = new TClonesArray("AliITShit", 1560);
gAlice->AddHitList(fHits);
fDigits = new TClonesArray("AliITSdigit",1000);
fITSpoints = new TObjArray();
fITSmodules = 0; //new AliITSmodules();
fIshunt = 0;
fEuclidOut = 0;
fIdN = 0;
fIdName = 0;
fIdSens = 0;
SetMarkerColor(kRed);
}
//_____________________________________________________________________________
AliITS::~AliITS(){
//
// Default distructor for ITS
// The default destructor of the AliITS class. In addition to deleting
// the AliITS class it deletes the memory pointed to by the fHits, fDigits,
// fIdSens, fIdName, and fITSpoints.
//
delete fHits;
delete fDigits;
if(fIdName!=0) delete[] fIdName;
if(fIdSens!=0) delete[] fIdSens;
delete fITSmodules;
if(fITSpoints!=0) delete fITSpoints;
}
//_____________________________________________________________________________
void AliITS::AddDigit(Int_t *tracks, Int_t *digits){
//
// Add an ITS Digit
// The function to add information to the AliITSdigits class. See the
// AliITSdigits class for a full description. This function allocates the
// necessary new space for the digits information and passes the pointers
// *track and *digits to the AliITSdigits constructor function.
//
TClonesArray &ldigits = *fDigits;
new(ldigits[fNdigits++]) AliITSdigit(tracks,digits);
}
Int_t AliITS::AddDigit(AliITSdigit* d) {
fDigits->Add(d);
fNdigits = fDigits->GetEntriesFast();
return fNdigits;
}
//_____________________________________________________________________________
void AliITS::AddHit(Int_t track, Int_t *vol, Float_t *hits){
//
// Add an ITS hit
// The function to add information to the AliITShit class. See the
// AliITShit class for a full description. This function allocates the
// necessary new space for the hit information and passes the variable
// track, and the pointers *vol and *hits to the AliITShit constructor
// function.
//
TClonesArray &lhits = *fHits;
new(lhits[fNhits++]) AliITShit(fIshunt,track,vol,hits);
}
//_____________________________________________________________________________
void AliITS::BuildGeometry(){
//
// Build ITS TNODE geometry for event display
// This function builds a simple ITS geometry used by the ROOT macro
// display.C. In general the geometry as coded is wrong.
//
TNode *Node, *Top;
const int kColorITS=kYellow;
//
Top=gAlice->GetGeometry()->GetNode("alice");
new TTUBE("S_layer1","Layer1 of ITS","void",3.9,3.9+0.05475,12.25);
Top->cd();
Node = new TNode("Layer1","Layer1","S_layer1",0,0,0,"");
Node->SetLineColor(kColorITS);
fNodes->Add(Node);
new TTUBE("S_layer2","Layer2 of ITS","void",7.6,7.6+0.05475,16.3);
Top->cd();
Node = new TNode("Layer2","Layer2","S_layer2",0,0,0,"");
Node->SetLineColor(kColorITS);
fNodes->Add(Node);
new TTUBE("S_layer3","Layer3 of ITS","void",14,14+0.05288,21.1);
Top->cd();
Node = new TNode("Layer3","Layer3","S_layer3",0,0,0,"");
Node->SetLineColor(kColorITS);
fNodes->Add(Node);
new TTUBE("S_layer4","Layer4 of ITS","void",24,24+0.05288,29.6);
Top->cd();
Node = new TNode("Layer4","Layer4","S_layer4",0,0,0,"");
Node->SetLineColor(kColorITS);
fNodes->Add(Node);
new TTUBE("S_layer5","Layer5 of ITS","void",40,40+0.05382,45.1);
Top->cd();
Node = new TNode("Layer5","Layer5","S_layer5",0,0,0,"");
Node->SetLineColor(kColorITS);
fNodes->Add(Node);
new TTUBE("S_layer6","Layer6 of ITS","void",45,45+0.05382,50.4);
Top->cd();
Node = new TNode("Layer6","Layer6","S_layer6",0,0,0,"");
Node->SetLineColor(kColorITS);
fNodes->Add(Node);
}
//_____________________________________________________________________________
void AliITS::CreateMaterials(){
//
// Create ITS materials
// This function defines the default materials used in the Geant
// Monte Carlo simulations. In general it is automatically replaced by
// the CreatMaterials routine defined in AliITSv?. Should the function
// CreateMaterials not exist for the geometry version you are using this
// one is used. See the definition found in AliITSv5 or the other routine
// for a complete definition.
//
// Water H2O
Float_t awat[2] = { 1.00794,15.9994 };
Float_t zwat[2] = { 1.,8. };
Float_t wwat[2] = { 2.,1. };
Float_t denswat = 1.;
// Freon
Float_t afre[2] = { 12.011,18.9984032 };
Float_t zfre[2] = { 6.,9. };
Float_t wfre[2] = { 5.,12. };
Float_t densfre = 1.5;
// Ceramics
// 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
Float_t zcer[5] = { 13.,8.,14.,25., 24. };
Float_t wcer[5] = { .49976,1.01233,.01307, .01782,.00342 };
Float_t denscer = 3.6;
//
// 60% SiO2 , 40% G10FR4
// PC board
Float_t apcb[3] = { 28.0855,15.9994,17.749 };
Float_t zpcb[3] = { 14.,8.,8.875 };
Float_t wpcb[3] = { .28,.32,.4 };
Float_t denspcb = 1.8;
// POLYETHYL
Float_t apoly[2] = { 12.01,1. };
Float_t zpoly[2] = { 6.,1. };
Float_t wpoly[2] = { .33,.67 };
// SERVICES
Float_t zserv[4] = { 1.,6.,26.,29. };
Float_t aserv[4] = { 1.,12.,55.8,63.5 };
Float_t wserv[4] = { .014,.086,.42,.48 };
Int_t ISXFLD = gAlice->Field()->Integ();
Float_t SXMGMX = gAlice->Field()->Max();
// --- Define the various materials for GEANT ---
// 200-224 --> Silicon Pixel Detectors (detectors, chips, buses, cooling,..)
AliMaterial(0, "SPD Si$", 28.0855, 14., 2.33, 9.36, 999);
AliMaterial(1, "SPD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
AliMaterial(2, "SPD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
AliMaterial(3, "SPD C$", 12.011, 6., 2.265,18.8, 999);
// v. dens
AliMaterial(4, "SPD Air$", 14.61, 7.3, .001205, 30423., 999);
AliMaterial(5, "SPD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
AliMaterial(6, "SPD Al$", 26.981539, 13., 2.6989, 8.9, 999);
AliMixture( 7, "SPD Water $", awat, zwat, denswat, -2, wwat);
AliMixture( 8, "SPD Freon$", afre, zfre, densfre, -2, wfre);
// **
AliMedium(0, "SPD Si$", 0, 1,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(1, "SPD Si chip$", 1, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(2, "SPD Si bus$", 2, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(3, "SPD C$", 3, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(4, "SPD Air$", 4, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(5, "SPD Vacuum$", 5, 0,ISXFLD,SXMGMX, 10.,1.00, .1, .100,10.00);
AliMedium(6, "SPD Al$", 6, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(7, "SPD Water $", 7, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(8, "SPD Freon$", 8, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
// 225-249 --> Silicon Drift Detectors (detectors, chips, buses, cooling,..)
AliMaterial(25, "SDD Si$", 28.0855, 14., 2.33, 9.36, 999);
AliMaterial(26, "SDD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
AliMaterial(27, "SDD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
AliMaterial(28, "SDD C$", 12.011, 6., 2.265,18.8, 999);
// v. dens
AliMaterial(29, "SDD Air$", 14.61, 7.3, .001205, 30423., 999);
AliMaterial(30, "SDD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
AliMaterial(31, "SDD Al$", 26.981539, 13., 2.6989, 8.9, 999);
// After a call with ratios by number (negative number of elements),
// the ratio array is changed to the ratio by weight, so all successive
// calls with the same array must specify the number of elements as
// positive
AliMixture(32, "SDD Water $", awat, zwat, denswat, 2, wwat);
// After a call with ratios by number (negative number of elements),
// the ratio array is changed to the ratio by weight, so all successive
// calls with the same array must specify the number of elements as
// positive
AliMixture( 33, "SDD Freon$", afre, zfre, densfre, 2, wfre);
AliMixture( 34, "SDD PCB$", apcb, zpcb, denspcb, 3, wpcb);
AliMaterial(35, "SDD Copper$", 63.546, 29., 8.96, 1.43, 999);
AliMixture( 36, "SDD Ceramics$", acer, zcer, denscer, -5, wcer);
AliMaterial(37, "SDD Kapton$", 12.011, 6., 1.3, 31.27, 999);
// **
// check A and Z
AliMedium(25, "SDD Si$", 25, 1,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(26, "SDD Si chip$", 26, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(27, "SDD Si bus$", 27, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(28, "SDD C$", 28, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(29, "SDD Air$", 29, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(30, "SDD Vacuum$", 30, 0,ISXFLD,SXMGMX, 10.,1.00, .1, .100,10.00);
AliMedium(31, "SDD Al$", 31, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(32, "SDD Water $", 32, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(33, "SDD Freon$", 33, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(34, "SDD PCB$", 34, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(35, "SDD Copper$", 35, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(36, "SDD Ceramics$",36, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(37, "SDD Kapton$", 37, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
// 250-274 --> Silicon Strip Detectors (detectors, chips, buses, cooling,..)
AliMaterial(50, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
AliMaterial(51, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
AliMaterial(52, "SSD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
AliMaterial(53, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
// v. dens
AliMaterial(54, "SSD Air$", 14.61, 7.3, .001205, 30423., 999);
AliMaterial(55, "SSD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
AliMaterial(56, "SSD Al$", 26.981539, 13., 2.6989, 8.9, 999);
// After a call with ratios by number (negative number of elements),
// the ratio array is changed to the ratio by weight, so all successive
// calls with the same array must specify the number of elements as
// positive
AliMixture(57, "SSD Water $", awat, zwat, denswat, 2, wwat);
// After a call with ratios by number (negative number of elements),
// the ratio array is changed to the ratio by weight, so all successive
// calls with the same array must specify the number of elements as
// positive
AliMixture(58, "SSD Freon$", afre, zfre, densfre, 2, wfre);
AliMixture(59, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
AliMaterial(60, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
// After a call with ratios by number (negative number of elements),
// the ratio array is changed to the ratio by weight, so all successive
// calls with the same array must specify the number of elements as
// positive
AliMixture( 61, "SSD Ceramics$", acer, zcer, denscer, 5, wcer);
AliMaterial(62, "SSD Kapton$", 12.011, 6., 1.3, 31.27, 999.);
// check A and Z
AliMaterial(63, "SDD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
// **
AliMedium(50, "SSD Si$", 50, 1,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(51, "SSD Si chip$", 51, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(52, "SSD Si bus$", 52, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(53, "SSD C$", 53, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(54, "SSD Air$", 54, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(55, "SSD Vacuum$", 55, 0,ISXFLD,SXMGMX, 10.,1.00, .1, .100,10.00);
AliMedium(56, "SSD Al$", 56, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(57, "SSD Water $", 57, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(58, "SSD Freon$", 58, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(59, "SSD PCB$", 59, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(60, "SSD Copper$", 60, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(61, "SSD Ceramics$",61, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(62, "SSD Kapton$", 62, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(63, "SSD G10FR4$", 63, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
// 275-299 --> General (end-caps, frames, cooling, cables, etc.)
AliMaterial(75, "GEN C$", 12.011, 6., 2.265, 18.8, 999.);
// verify density
AliMaterial(76, "GEN Air$", 14.61, 7.3, .001205, 30423., 999);
AliMaterial(77, "GEN Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
AliMixture( 78, "GEN POLYETHYL$", apoly, zpoly, .95, -2, wpoly);
AliMixture( 79, "GEN SERVICES$", aserv, zserv, 4.68, 4, wserv);
AliMaterial(80, "GEN Copper$", 63.546, 29., 8.96, 1.43, 999.);
// After a call with ratios by number (negative number of elements),
// the ratio array is changed to the ratio by weight, so all successive
// calls with the same array must specify the number of elements as
// positive
AliMixture(81, "GEN Water $", awat, zwat, denswat, 2, wwat);
// **
AliMedium(75,"GEN C$", 75, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(76,"GEN Air$", 76, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(77,"GEN Vacuum$", 77, 0,ISXFLD,SXMGMX, 10., .10, .1, .100,10.00);
AliMedium(78,"GEN POLYETHYL$",78, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(79,"GEN SERVICES$", 79, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(80,"GEN Copper$", 80, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
AliMedium(81,"GEN Water $", 81, 0,ISXFLD,SXMGMX, 10., .01, .1, .003, .003);
}
//_____________________________________________________________________________
Int_t AliITS::DistancetoPrimitive(Int_t , Int_t ){
//
// Distance from mouse to ITS on the screen. Dummy routine
// A dummy routine used by the ROOT macro display.C to allow for the
// use of the mouse (pointing device) in the macro. In general this should
// never be called. If it is it returns the number 9999 for any value of
// x and y.
//
return 9999;
}
//_____________________________________________________________________________
void AliITS::Init(){
//
// Initialise ITS after it has been built
// This routine initializes the AliITS class. It is intended to be called
// from the Init function in AliITSv?. Besides displaying a banner
// indicating that it has been called it initializes the array fIdSens.
// Therefore it should be called after a call to CreateGeometry.
//
Int_t i;
//
printf("\n");
for(i=0;i<35;i++) printf("*");
printf(" ITS_INIT ");
for(i=0;i<35;i++) printf("*");
printf("\n");
//
//
for(i=0;iVolId(fIdName[i]);
//
for(i=0;i<80;i++) printf("*");
printf("\n");
}
//_____________________________________________________________________________
void AliITS::MakeBranch(Option_t* option){
//
// Create Tree branches for the ITS.
// Creates the TTree branch where the class AliITS is kept.
//
Int_t buffersize = 4000;
char branchname[10];
sprintf(branchname,"%s",GetName());
AliDetector::MakeBranch(option);
char *D = strstr(option,"D");
if (fDigits && gAlice->TreeD() && D) {
gAlice->TreeD()->Branch(branchname,&fDigits, buffersize);
printf("Making Branch %s for digits\n",branchname);
} // end if
}
//____________________________________________________________________________
void AliITS::Streamer(TBuffer &R__b){
// Stream an object of class AliITS.
Int_t i,j,l;
if (R__b.IsReading()) {
Version_t R__v = R__b.ReadVersion();
if (R__v == 1) {
AliDetector::Streamer(R__b);
R__b >> fITSgeom;
// R__b >> fITSmodules; //We do not write out modules so don't read them
R__b >> fITSpoints;
R__b >> fEuclidOut;
R__b >> fIdN;
if(fIdSens!=0) delete[] fIdSens;
if(fIdName!=0) delete[] fIdName;
fIdSens = new Int_t[fIdN];
fIdName = new char*[fIdN];
for(i=0;i> fIdSens[i];
for(i=0;i> l;
fIdName[i] = new char[l+1]; // add room for null character.
for(j=0;j> fIdName[i][j];
fIdName[i][l] = '\0'; // Null terminate this string.
} // end for i
R__b >> fMajorVersion;
R__b >> fMinorVersion;
} // end if (R__v)
} else {
R__b.WriteVersion(AliITS::IsA());
AliDetector::Streamer(R__b);
R__b << fITSgeom;
// R__b << fITSmodules; //We don't want to write out the modules class.
R__b << fITSpoints;
R__b << fEuclidOut;
R__b << fIdN;
for(i=0;i