+/**************************************************************************
+ * 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 1.62 2001/10/21 19:23:21 nilsen
+Added function to allow to limit which detectors to digitize and reconstruct.
+The default is All. This change makes no changes to any root file.
+
+Revision 1.61 2001/10/11 15:26:07 mariana
+Correct HitsToFastRecPoints
+
+Revision 1.60 2001/10/04 22:38:10 nilsen
+Changes made to support PreDigits (SDigits) plus other helpful changes.
+
+Revision 1.59 2001/08/30 09:56:18 hristov
+The operator[] is replaced by At() or AddAt() in case of TObjArray.
+
+Revision 1.58 2001/07/26 15:05:29 hristov
+Use global gRandom generator (M.Ivanov)
+
+Revision 1.57 2001/07/24 14:26:11 mariana
+Introduce the function Digits2Reco() and write the defaults for simulation and reconstruction
+
+Revision 1.56 2001/07/05 12:49:49 mariana
+Temporary patches required by root.v3.01.05
+
+Revision 1.55 2001/06/14 14:59:00 barbera
+Tracking V1 decoupled from AliITS
+
+Revision 1.54 2001/05/31 20:37:56 barbera
+Bari/Salerno model set as defaault SPD simulation
+
+Revision 1.53 2001/05/31 18:52:24 barbera
+Bari model becomes the default
+
+Revision 1.53 2001/05/30 07:52:24 hristov
+TPC and CONTAINERS included in the search path
+
+Revision 1.52 2001/05/30 06:04:58 hristov
+Changes made to be consitant with changes in TPC tracking classes (B.Nilsen)
+
+Revision 1.51 2001/05/16 14:57:15 alibrary
+New files for folders and Stack
+
+Revision 1.50 2001/05/11 09:15:21 barbera
+Corrected to make fast point creation working with PPR geometry
+
+Revision 1.49 2001/05/11 07:37:49 hristov
+Legacy lines commented
+
+Revision 1.48 2001/05/10 18:14:25 barbera
+A typo corrected
+
+Revision 1.47 2001/05/10 17:55:59 barbera
+Modified to create rec points also for PPR geometries
+
+Revision 1.46 2001/05/10 00:05:28 nilsen
+Allowed for HitsToDigits function to work with versions 5, 7, 8, and 9. This
+should probably be cleaned up to only check to make sure that fITSgeom has
+been properly defined.
+
+Revision 1.45 2001/05/01 22:35:48 nilsen
+Remove/commented a number of cout<< statements. and made change needed by
+SSD code.
+
+Revision 1.44 2001/04/26 22:44:01 nilsen
+Removed dependence on layer 5/6 in AliITS::HitsToDigits. This will be
+done properly in AliITSv???.cxx via SetDefaults.
+
+Revision 1.43 2001/04/26 13:22:52 barbera
+TMatrix and TVector elimininated to speed up the code
+
+Revision 1.42 2001/04/25 21:55:12 barbera
+Updated version to be compatible with actual verion of STEER and TPC
+
+Revision 1.41 2001/04/21 15:16:51 barbera
+Updated with the new SSD reconstruction code
+
+Revision 1.40 2001/03/17 15:07:06 mariana
+Update SDD response parameters
+
+Revision 1.39 2001/03/12 17:45:32 hristov
+Changes needed on Sun with CC 5.0
+
+Revision 1.38 2001/03/07 14:04:51 barbera
+Some vector dimensions increased to cope with full events
+
+Revision 1.37 2001/03/07 12:36:35 barbera
+A change added in the tracking part to manage delta rays
+
+Revision 1.36 2001/03/02 19:44:11 barbera
+ modified to taking into account new version tracking v1
+
+Revision 1.35 2001/02/28 18:16:46 mariana
+Make the code compatible with the new AliRun
+
+Revision 1.34 2001/02/11 15:51:39 mariana
+Set protection in MakeBranch
+
+Revision 1.33 2001/02/10 22:26:39 mariana
+Move the initialization of the containers for raw clusters in MakeTreeC()
+
+Revision 1.32 2001/02/08 23:55:31 nilsen
+Removed fMajor/MinorVersion variables in favor of variables in derived classes.
+Set arrays char *det[3] = {"SPD","SDD","SSD"} as const.
+
+Revision 1.31 2001/02/02 23:57:28 nilsen
+Added include file that are no londer included in AliITSgeom.h
+
+Revision 1.30 2001/01/30 09:23:13 hristov
+Streamers removed (R.Brun)
+
+Revision 1.29 2001/01/26 20:01:09 hristov
+Major upgrade of AliRoot code
+
+Revision 1.28 2000/12/18 14:02:00 barbera
+new version of the ITS tracking to take into account the new TPC track parametrization
+
+Revision 1.27 2000/12/08 13:49:27 barbera
+Hidden declaration in a for loop removed to be compliant with HP-UX compiler
+
+Revision 1.26 2000/11/27 13:12:13 barbera
+New version containing the files for tracking
+
+Revision 1.25 2000/11/12 22:38:05 barbera
+Added header file for the SPD Bari model
+
+Revision 1.24 2000/10/09 22:18:12 barbera
+Bug fixes from MAriana to le AliITStest.C run correctly
+
+Revision 1.23 2000/10/05 20:47:42 nilsen
+fixed dependencies of include files. Tryed but failed to get a root automaticly
+generates streamer function to work. Modified SetDefaults.
+
+Revision 1.9.2.15 2000/10/04 16:56:40 nilsen
+Needed to include stdlib.h
+
+=======
+Revision 1.22 2000/10/04 19:45:52 barbera
+Corrected by F. Carminati for v3.04
+
+Revision 1.21 2000/10/02 21:28:08 fca
+Removal of useless dependecies via forward declarations
+
+Revision 1.20 2000/10/02 16:31:39 barbera
+General code clean-up
+
+Revision 1.9.2.14 2000/10/02 15:43:51 barbera
+General code clean-up (e.g., printf -> cout)
+
+Revision 1.19 2000/09/22 12:13:25 nilsen
+Patches and updates for fixes to this and other routines.
+
+Revision 1.18 2000/07/12 05:32:20 fca
+Correcting several syntax problem with static members
+
+Revision 1.17 2000/07/10 16:07:18 fca
+Release version of ITS code
+
+Revision 1.9.2.3 2000/02/02 13:42:09 barbera
+fixed AliITS.cxx for new AliRun structure. Added ITS hits list to list of hits which will have their track numbers updated
+
+Revision 1.9.2.2 2000/01/23 03:03:13 nilsen
+//fixed FillModule. Removed fi(fabs(xl)<dx....
+
+Revision 1.9.2.1 2000/01/12 19:03:32 nilsen
+This is the version of the files after the merging done in December 1999.
+See the ReadMe110100.txt file for details
+
+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
+
+*/
+
///////////////////////////////////////////////////////////////////////////////
-// //
-// Inner Traking System //
-// This class contains the base procedures for the Inner Tracking System //
-// //
+//
+// An overview of the basic philosophy of the ITS code development
+// and analysis is show in the figure below.
//Begin_Html
/*
-<img src="picts/AliITSClass.gif">
+<img src="picts/ITS/ITS_Analysis_schema.gif">
</pre>
<br clear=left>
<font size=+2 color=red>
-<p>The responsible person for this module is
+<p>Roberto Barbera is in charge of the ITS Offline code (1999).
<a href="mailto:roberto.barbera@ct.infn.it">Roberto Barbera</a>.
</font>
<pre>
*/
//End_Html
-// //
+//
+// AliITS. Inner Traking System base class.
+// This class contains the base procedures for the Inner Tracking System
+//
+//Begin_Html
+/*
+<img src="picts/ITS/AliITS_Class_Diagram.gif">
+</pre>
+<br clear=left>
+<font size=+2 color=red>
+<p>This show the class diagram of the different elements that are part of
+the AliITS class.
+</font>
+<pre>
+*/
+//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
+//
+// Version: 2
+// Modified and documented by A. Bologna
+// October 18 1999
+//
+// AliITS is the general base class for the ITS. Also see AliDetector for
+// futher information.
+//
///////////////////////////////////////////////////////////////////////////////
-
+#include <iostream.h>
+#include <iomanip.h>
+#include <fstream.h>
+#include <stdlib.h>
#include <TMath.h>
#include <TRandom.h>
+#include <TBranch.h>
#include <TVector.h>
-#include <TGeometry.h>
-#include <TNode.h>
-#include <TTUBE.h>
+#include <TClonesArray.h>
+#include <TROOT.h>
+#include <TObjectTable.h>
+#include <TFile.h>
+#include <TTree.h>
+#include <TString.h>
-#include "AliITS.h"
+#include "AliMC.h"
#include "AliRun.h"
+#include "AliHeader.h"
+
+#include "AliITS.h"
+#include "AliITSDetType.h"
+#include "AliITSresponseSPD.h"
+#include "AliITSresponseSDD.h"
+#include "AliITSresponseSSD.h"
+#include "AliITSsegmentationSPD.h"
+#include "AliITSsegmentationSDD.h"
+#include "AliITSsegmentationSSD.h"
+#include "AliITSsimulationSPD.h"
+#include "AliITSsimulationSDD.h"
+#include "AliITSsimulationSSD.h"
+#include "AliITSClusterFinderSPD.h"
+#include "AliITSClusterFinderSDD.h"
+#include "AliITSClusterFinderSSD.h"
+#include "AliITShit.h"
+#include "AliITSgeom.h"
+#include "AliITSpList.h"
+#include "AliITSdigit.h"
+#include "AliITSmodule.h"
+#include "AliITSRecPoint.h"
+#include "AliITSRawCluster.h"
ClassImp(AliITS)
-
-//_____________________________________________________________________________
-AliITS::AliITS() : AliDetector()
-{
- //
- // Default initialiser for ITS
- //
- fIshunt = 0;
- fEuclidOut = 0;
-}
-
-//_____________________________________________________________________________
-AliITS::AliITS(const char *name, const char *title)
- : AliDetector(name,title)
-{
- //
- // Default initialiser for ITS
- //
-
- fHits = new TClonesArray("AliITShit", 1560);
- fDigits = new TClonesArray("AliITSdigit",1000);
-
- fIshunt = 0;
- fEuclidOut = 0;
-
- fIdSens1 = fIdSens2 = fIdSens3 = fIdSens4 = fIdSens5 = fIdSens6 = 0;
-
- SetMarkerColor(kRed);
-}
-
-//_____________________________________________________________________________
-AliITS::~AliITS()
-{
- //
- // Default distructor for ITS
- //
- delete fHits;
- delete fDigits;
-}
-
-//_____________________________________________________________________________
-void AliITS::AddDigit(Int_t *tracks, Int_t *digits)
-{
- //
- // Add an ITS Digit
- //
- TClonesArray &ldigits = *fDigits;
- new(ldigits[fNdigits++]) AliITSdigit(tracks,digits);
-}
-
-//_____________________________________________________________________________
-void AliITS::AddHit(Int_t track, Int_t *vol, Float_t *hits)
-{
- //
- // Add an ITS hit
- //
- TClonesArray &lhits = *fHits;
- new(lhits[fNhits++]) AliITShit(fIshunt,track,vol,hits);
-}
-
-//_____________________________________________________________________________
-void AliITS::BuildGeometry()
-{
- //
- // Build ITS TNODE geometry for event display
- //
- 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
- //
-
- Float_t awat[2] = { 1.00794,15.9994 };
- Float_t zwat[2] = { 1.,8. };
- Float_t wwat[2] = { 2.,1. };
- Float_t denswat = 1.;
- 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;
- // 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
- 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;
- Float_t apoly[2] = { 12.01,1. };
- Float_t zpoly[2] = { 6.,1. };
- Float_t wpoly[2] = { .33,.67 };
- 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., .1, .1, 10.);
- 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., .1, .1, 10.);
- 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$", 55, 0, ISXFLD, SXMGMX, 10., 1., .1, .1, 10.);
- AliMedium(56, "SSD Al$", 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., .1, .1, .1, 10.);
- 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
- //
- return 9999;
-}
-
-//_____________________________________________________________________________
-void AliITS::Init()
-{
- //
- // Initialise ITS after it has been built
- //
- Int_t i;
- AliMC* pMC = AliMC::GetMC();
- //
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" ITS_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
- //
- //
- fIdSens1=pMC->VolId("ITS1");
- fIdSens2=pMC->VolId("ITS2");
- fIdSens3=pMC->VolId("ITS3");
- fIdSens4=pMC->VolId("ITS4");
- fIdSens5=pMC->VolId("ITS5");
- fIdSens6=pMC->VolId("ITS6");
- //
- for(i=0;i<80;i++) printf("*");
- printf("\n");
-}
-
-//_____________________________________________________________________________
-void AliITS::MakeBranch(Option_t* option)
-{
- //
- // Create Tree branches for the ITS.
- //
- 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);
- }
-}
-
-//_____________________________________________________________________________
-void AliITS::SetEUCLID(Bool_t euclid)
-{
- //
- // set euclid output flag
- //
- fEuclidOut=euclid;
-}
-
-ClassImp(AliITShit)
-
-//_____________________________________________________________________________
-AliITShit::AliITShit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
-{
- //
- // Create ITS hit
- //
- fLayer = vol[0]; // Layer number
- fLadder = vol[2]; // Ladder number
- fDet = vol[1]; // Detector number
- fX = hits[0];
- fY = hits[1];
- fZ = hits[2];
- fPx = hits[3];
- fPy = hits[4];
- fPz = hits[5];
- fDestep = hits[6];
-}
-
-ClassImp(AliITSdigit)
-
-//_____________________________________________________________________________
-AliITSdigit::AliITSdigit(Int_t *tracks, Int_t *digits):
- AliDigit(tracks)
-{
- //
- // Create ITS digit
- //
- fEvent = digits[0];
- fLayer = digits[1];
- fDet = digits[2];
- fNoverl = digits[3];
+
+//______________________________________________________________________
+AliITS::AliITS() : AliDetector() {
+ // Default initializer 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. The AliDetector default constructor
+ // is also called.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // Blank ITS class.
+
+ fIshunt = 0; // not zeroed in AliDetector.
+
+ // AliITS variables.
+ fEuclidOut = 0;
+ fITSgeom = 0;
+ fITSmodules = 0;
+ SetDetectors(); // default to "All". This variable not written out.
+
+ fIdN = 0;
+ fIdName = 0;
+ fIdSens = 0;
+
+ fNDetTypes = kNTYPES;
+ fDetTypes = 0;
+
+ fSDigits = 0;
+ fNSDigits = 0;
+
+ fNdtype = 0;
+ fDtype = 0;
+
+ fCtype = 0;
+ fNctype = 0;
+ fTreeC = 0;
+
+ fRecPoints = 0;
+ fNRecPoints = 0;
+
+ SetMarkerColor(kRed);
+}
+//______________________________________________________________________
+AliITS::AliITS(const char *name, const char *title):AliDetector(name,title){
+ // The standard Constructor for the ITS class. In addition to
+ // creating the AliITS class, it allocates memory for the TClonesArrays
+ // fHits, fSDigits, fDigits, fITSpoints, and the TObjArray of fCtype
+ // (clusters). 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.
+ // Inputs:
+ // const char *name Detector name. Should always be "ITS"
+ // const char *title Detector title.
+ // Outputs:
+ // none.
+ // Return:
+ // An ITS class.
+
+ fIshunt = 0; // not zeroed in AliDetector
+ fHits = new TClonesArray("AliITShit", 1560);//not done in AliDetector
+ gAlice->AddHitList(fHits); // Not done in AliDetector.
+
+ fEuclidOut = 0;
+ fITSgeom = 0;
+ fITSmodules = 0;
+ SetDetectors(); // default to "All". This variable not written out.
+
+ fIdN = 0;
+ fIdName = 0;
+ fIdSens = 0;
+
+ fNDetTypes = kNTYPES;
+ fDetTypes = new TObjArray(fNDetTypes);
+
+ fSDigits = new TClonesArray("AliITSpListItem",1000);
+ fNSDigits = 0;
+
+ fNdtype = new Int_t[fNDetTypes];
+ fDtype = new TObjArray(fNDetTypes);
+
+ fCtype = new TObjArray(fNDetTypes);
+ fNctype = new Int_t[fNDetTypes];
+ fTreeC = 0;
+
+ fRecPoints = new TClonesArray("AliITSRecPoint",1000);
+ fNRecPoints = 0;
+
+ Int_t i;
+ for(i=0;i<fNDetTypes;i++) {
+ fDetTypes->AddAt(new AliITSDetType(),i);
+ fNdtype[i] = 0;
+ fNctype[i] = 0;
+ } // end for i
+
+ SetMarkerColor(kRed);
+}
+//______________________________________________________________________
+AliITS::~AliITS(){
+ // Default destructor 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,
+ // fSDigits, fCtype, fITSmodules, fITSgeom, fRecPoints, fIdSens, fIdName,
+ // fITSpoints, fDetType and it's contents.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ delete fHits;
+ delete fSDigits;
+ delete fDigits;
+ delete fRecPoints;
+ if(fIdName!=0) delete[] fIdName; // Array of TStrings
+ if(fIdSens!=0) delete[] fIdSens;
+ if(fITSmodules!=0) {
+ this->ClearModules();
+ delete fITSmodules;
+ }// end if fITSmodules!=0
+
+ if(fDtype) {
+ fDtype->Delete();
+ delete fDtype;
+ } // end if fDtype
+ delete [] fNdtype;
+ if (fCtype) {
+ fCtype->Delete();
+ delete fCtype;
+ } // end if fCtype
+ delete [] fNctype;
+
+ if (fDetTypes) {
+ fDetTypes->Delete();
+ delete fDetTypes;
+ } // end if fDetTypes
+
+ if (fTreeC) delete fTreeC;
+
+ if (fITSgeom) delete fITSgeom;
+}
+//______________________________________________________________________
+AliITS::AliITS(AliITS &source){
+ // Copy constructor. This is a function which is not allowed to be
+ // done to the ITS. It exits with an error.
+ // Inputs:
+ // AliITS &source An AliITS class.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(this==&source) return;
+ Error("Copy constructor",
+ "You are not allowed to make a copy of the AliITS");
+ exit(1);
+}
+//______________________________________________________________________
+AliITS& AliITS::operator=(AliITS &source){
+ // Assignment operator. This is a function which is not allowed to be
+ // done to the ITS. It exits with an error.
+ // Inputs:
+ // AliITS &source An AliITS class.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(this==&source) return *this;
+ Error("operator=","You are not allowed to make a copy of the AliITS");
+ exit(1);
+ return *this; //fake return
+}
+//______________________________________________________________________
+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.
+ // Inputs:
+ // Int_t Dummy screen coordinate.
+ // Int_t Dummy screen coordinate.
+ // Outputs:
+ // none.
+ // Return:
+ // Int_t Dummy = 9999 distance to ITS.
+
+ return 9999;
+}
+//______________________________________________________________________
+void AliITS::Init(){
+ // Initializer 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
+ // and sets the default segmentation, response, digit and raw cluster
+ // classes therefore it should be called after a call to CreateGeometry.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ Int_t i;
+
+ SetDefaults();
+ // Array of TStrings
+ for(i=0;i<fIdN;i++) fIdSens[i] = gMC->VolId(fIdName[i]);
+}
+//______________________________________________________________________
+void AliITS::SetDefaults(){
+ // sets the default segmentation, response, digit and raw cluster classes.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(fDebug) printf("%s: SetDefaults\n",ClassName());
+
+ AliITSDetType *iDetType;
+
+ //SPD
+ iDetType=DetType(0);
+ if (!iDetType->GetSegmentationModel()) {
+ AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
+ SetSegmentationModel(0,seg0);
+ } // end if
+ if (!iDetType->GetResponseModel()) {
+ SetResponseModel(0,new AliITSresponseSPD());
+ } // end if
+ // set digit and raw cluster classes to be used
+
+ const char *kData0=(iDetType->GetResponseModel())->DataType();
+ if (strstr(kData0,"real")) {
+ iDetType->ClassNames("AliITSdigit","AliITSRawClusterSPD");
+ } else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
+
+ // SDD
+ iDetType=DetType(1);
+ if (!iDetType->GetResponseModel()) {
+ SetResponseModel(1,new AliITSresponseSDD());
+ } // end if
+ AliITSresponse *resp1=iDetType->GetResponseModel();
+ if (!iDetType->GetSegmentationModel()) {
+ AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(fITSgeom,resp1);
+ SetSegmentationModel(1,seg1);
+ } // end if
+ const char *kData1=(iDetType->GetResponseModel())->DataType();
+ const char *kopt=iDetType->GetResponseModel()->ZeroSuppOption();
+ if((!strstr(kopt,"2D"))&&(!strstr(kopt,"1D")) || strstr(kData1,"real") ){
+ iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD");
+ } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
+
+ // SSD
+ iDetType=DetType(2);
+ if (!iDetType->GetSegmentationModel()) {
+ AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom);
+ SetSegmentationModel(2,seg2);
+ } // end if
+ if (!iDetType->GetResponseModel()) {
+ SetResponseModel(2,new AliITSresponseSSD());
+ } // end if
+ const char *kData2=(iDetType->GetResponseModel())->DataType();
+ if (strstr(kData2,"real")) {
+ iDetType->ClassNames("AliITSdigit","AliITSRawClusterSSD");
+ } else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
+
+ if (kNTYPES>3) {
+ Warning("SetDefaults",
+ "Only the three basic detector types are initialized!");
+ } // end if
+}
+//______________________________________________________________________
+void AliITS::SetDefaultSimulation(){
+ // sets the default simulation.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ AliITSDetType *iDetType;
+ iDetType=DetType(0);
+ if (!iDetType->GetSimulationModel()) {
+ AliITSsegmentation *seg0=
+ (AliITSsegmentation*)iDetType->GetSegmentationModel();
+ AliITSresponse *res0 = (AliITSresponse*)iDetType->GetResponseModel();
+ AliITSsimulationSPD *sim0=new AliITSsimulationSPD(seg0,res0);
+ SetSimulationModel(0,sim0);
+ } // end if
+ iDetType=DetType(1);
+ if (!iDetType->GetSimulationModel()) {
+ AliITSsegmentation *seg1=
+ (AliITSsegmentation*)iDetType->GetSegmentationModel();
+ AliITSresponse *res1 = (AliITSresponse*)iDetType->GetResponseModel();
+ AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1);
+ SetSimulationModel(1,sim1);
+ } //end if
+ iDetType=DetType(2);
+ if (!iDetType->GetSimulationModel()) {
+ AliITSsegmentation *seg2=
+ (AliITSsegmentation*)iDetType->GetSegmentationModel();
+ AliITSresponse *res2 = (AliITSresponse*)iDetType->GetResponseModel();
+ AliITSsimulationSSD *sim2=new AliITSsimulationSSD(seg2,res2);
+ SetSimulationModel(2,sim2);
+ } // end if
+}
+//______________________________________________________________________
+void AliITS::SetDefaultClusterFinders(){
+ // Sets the default cluster finders. Used in finding RecPoints.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ MakeTreeC();
+ AliITSDetType *iDetType;
+
+ // SPD
+ iDetType=DetType(0);
+ if (!iDetType->GetReconstructionModel()) {
+ AliITSsegmentation *seg0 =
+ (AliITSsegmentation*)iDetType->GetSegmentationModel();
+ TClonesArray *dig0=DigitsAddress(0);
+ TClonesArray *recp0=ClustersAddress(0);
+ AliITSClusterFinderSPD *rec0 = new AliITSClusterFinderSPD(seg0,dig0,
+ recp0);
+ SetReconstructionModel(0,rec0);
+ } // end if
+
+ // SDD
+ iDetType=DetType(1);
+ if (!iDetType->GetReconstructionModel()) {
+ AliITSsegmentation *seg1 =
+ (AliITSsegmentation*)iDetType->GetSegmentationModel();
+ AliITSresponse *res1 = (AliITSresponse*)iDetType->GetResponseModel();
+ TClonesArray *dig1=DigitsAddress(1);
+ TClonesArray *recp1=ClustersAddress(1);
+ AliITSClusterFinderSDD *rec1 =
+ new AliITSClusterFinderSDD(seg1,res1,dig1,recp1);
+ SetReconstructionModel(1,rec1);
+ } // end if
+
+ // SSD
+ iDetType=DetType(2);
+ if (!iDetType->GetReconstructionModel()) {
+ AliITSsegmentation *seg2=
+ (AliITSsegmentation*)iDetType->GetSegmentationModel();
+ TClonesArray *dig2=DigitsAddress(2);
+ AliITSClusterFinderSSD *rec2= new AliITSClusterFinderSSD(seg2,dig2);
+ SetReconstructionModel(2,rec2);
+ } // end if
+}
+//______________________________________________________________________
+void AliITS::MakeBranch(Option_t* option, const char *file){
+ // Creates Tree branches for the ITS.
+ // Inputs:
+ // Option_t *option String of Tree types S,D, and/or R.
+ // const char *file String of the file name where these branches
+ // are to be stored. If blank then these branches
+ // are written to the same tree as the Hits were
+ // read from.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ const char *cS = strstr(option,"S");
+ const char *cD = strstr(option,"D");
+ const char *cR = strstr(option,"R");
+
+ AliDetector::MakeBranch(option,file);
+
+ if(cS) MakeBranchS(file);
+ if(cD) MakeBranchD(file);
+ if(cR) MakeBranchR(file);
+}
+//______________________________________________________________________
+void AliITS::SetTreeAddress(){
+ // Set branch address for the Trees.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ TTree *treeS = gAlice->TreeS();
+ TTree *treeD = gAlice->TreeD();
+ TTree *treeR = gAlice->TreeR();
+
+ AliDetector::SetTreeAddress();
+
+ SetTreeAddressS(treeS);
+ SetTreeAddressD(treeD);
+ SetTreeAddressR(treeR);
+}
+//______________________________________________________________________
+AliITSDetType* AliITS::DetType(Int_t id){
+ // Return pointer to id detector type.
+ // Inputs:
+ // Int_t id detector id number.
+ // Outputs:
+ // none.
+ // Return:
+ // returned, a pointer to a AliITSDetType.
+
+ return ((AliITSDetType*) fDetTypes->At(id));
+}
+//______________________________________________________________________
+void AliITS::SetResponseModel(Int_t id, AliITSresponse *response){
+ // Set the response model for the id detector type.
+ // Inputs:
+ // Int_t id detector id number.
+ // AliITSresponse* a pointer containing an instance of AliITSresponse
+ // to be stored/owned b y AliITSDetType.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ ((AliITSDetType*) fDetTypes->At(id))->ResponseModel(response);
+}
+//______________________________________________________________________
+void AliITS::SetSegmentationModel(Int_t id, AliITSsegmentation *seg){
+ // Set the segmentation model for the id detector type.
+ // Inputs:
+ // Int_t id detector id number.
+ // AliITSsegmentation* a pointer containing an instance of
+ // AliITSsegmentation to be stored/owned b y
+ // AliITSDetType.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ ((AliITSDetType*) fDetTypes->At(id))->SegmentationModel(seg);
+}
+//______________________________________________________________________
+void AliITS::SetSimulationModel(Int_t id, AliITSsimulation *sim){
+ // Set the simulation model for the id detector type.
+ // Inputs:
+ // Int_t id detector id number.
+ // AliITSresponse* a pointer containing an instance of AliITSresponse
+ // to be stored/owned b y AliITSDetType.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ ((AliITSDetType*) fDetTypes->At(id))->SimulationModel(sim);
+
+}
+//______________________________________________________________________
+void AliITS::SetReconstructionModel(Int_t id, AliITSClusterFinder *reconst){
+ // Set the cluster finder model for the id detector type.
+ // Inputs:
+ // Int_t id detector id number.
+ // AliITSClusterFinder* a pointer containing an instance of
+ // AliITSClusterFinder to be stored/owned b y
+ // AliITSDetType.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ ((AliITSDetType*) fDetTypes->At(id))->ReconstructionModel(reconst);
+}
+//______________________________________________________________________
+void AliITS::SetClasses(Int_t id, const char *digit, const char *cluster){
+ // Set the digit and cluster classes name to be used for the id detector
+ // type.
+ // Inputs:
+ // Int_t id detector id number.
+ // const char *digit Digit class name for detector id.
+ // const char *cluster Cluster class name for detector id.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ ((AliITSDetType*) fDetTypes->At(id))->ClassNames(digit,cluster);
+}
+//______________________________________________________________________
+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.
+ // Inputs:
+ // Int_t track Track number which produced this hit.
+ // Int_t *vol Array of Integer Hit information. See AliITShit.h
+ // Float_t *hits Array of Floating Hit information. see AliITShit.h
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ TClonesArray &lhits = *fHits;
+ new(lhits[fNhits++]) AliITShit(fIshunt,track,vol,hits);
+}
+//______________________________________________________________________
+void AliITS::InitModules(Int_t size,Int_t &nmodules){
+ // Initialize the modules array.
+ // Inputs:
+ // Int_t size Size of array of the number of modules to be
+ // created. If size <=0 then the number of modules
+ // is gotten from AliITSgeom class kept in fITSgeom.
+ // Outputs:
+ // Int_t &nmodules The number of modules existing.
+ // Return:
+ // none.
+
+ if(fITSmodules){
+ fITSmodules->Delete();
+ delete fITSmodules;
+ } // end fir fITSmoudles
+
+ Int_t nl,indexMAX,index;
+
+ if(size<=0){ // default to using data stored in AliITSgeom
+ if(fITSgeom==0) {
+ Error("InitModules","fITSgeom not defined");
+ return;
+ } // end if fITSgeom==0
+ nl = fITSgeom->GetNlayers();
+ indexMAX = fITSgeom->GetModuleIndex(nl,fITSgeom->GetNladders(nl),
+ fITSgeom->GetNdetectors(nl))+1;
+ nmodules = indexMAX;
+ fITSmodules = new TObjArray(indexMAX);
+ for(index=0;index<indexMAX;index++){
+ fITSmodules->AddAt( new AliITSmodule(index),index);
+ } // end for index
+ }else{
+ fITSmodules = new TObjArray(size);
+ for(index=0;index<size;index++) {
+ fITSmodules->AddAt( new AliITSmodule(index),index);
+ } // end for index
+
+ nmodules = size;
+ } // end i size<=0
+}
+//______________________________________________________________________
+void AliITS::FillModules(Int_t evnt,Int_t bgrev,Int_t nmodules,
+ Option_t *option,Text_t *filename){
+ // fill the modules with the sorted by module hits; add hits from
+ // background if option=Add.
+ // Inputs:
+ // Int_t evnt Event to be processed.
+ // Int_t bgrev Background Hit tree number.
+ // Int_t nmodules Not used.
+ // Option_t *option String indicating if merging hits or not. To
+ // merge hits set equal to "Add". Otherwise no
+ // background hits are considered.
+ // Test_t *filename File name containing the background hits..
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ static TTree *trH1; //Tree with background hits
+ static TClonesArray *fHits2; //List of hits for one track only
+ static Bool_t first=kTRUE;
+ static TFile *file;
+ const char *addBgr = strstr(option,"Add");
+
+ if (addBgr ) {
+ if(first) {
+ file=new TFile(filename);
+ fHits2 = new TClonesArray("AliITShit",1000 );
+ } // end if first
+ first=kFALSE;
+ file->cd();
+ file->ls();
+ // Get Hits Tree header from file
+ if(fHits2) fHits2->Clear();
+ if(trH1) delete trH1;
+ trH1=0;
+
+ char treeName[20];
+ sprintf(treeName,"TreeH%d",bgrev);
+ trH1 = (TTree*)gDirectory->Get(treeName);
+ if (!trH1) {
+ Error("FillModules","cannot find Hits Tree for event:%d",bgrev);
+ } // end if !trH1
+ // Set branch addresses
+ TBranch *branch;
+ char branchname[20];
+ sprintf(branchname,"%s",GetName());
+ if (trH1 && fHits2) {
+ branch = trH1->GetBranch(branchname);
+ if (branch) branch->SetAddress(&fHits2);
+ } // end if trH1 && fHits
+ } // end if addBgr
+
+ TClonesArray *itsHits = this->Hits();
+ Int_t lay,lad,det,index;
+ AliITShit *itsHit=0;
+ AliITSmodule *mod=0;
+ TTree *iTH = gAlice->TreeH();
+ Int_t ntracks =(Int_t) iTH->GetEntries();
+ Int_t t,h;
+ for(t=0; t<ntracks; t++){
+ gAlice->ResetHits();
+ iTH->GetEvent(t);
+ Int_t nhits = itsHits->GetEntriesFast();
+ if (!nhits) continue;
+ for(h=0; h<nhits; h++){
+ itsHit = (AliITShit *)itsHits->UncheckedAt(h);
+ itsHit->GetDetectorID(lay,lad,det);
+ // temporarily index=det-1 !!!
+ if(fITSgeom) index = fITSgeom->GetModuleIndex(lay,lad,det);
+ else index=det-1;
+ //
+ mod = this->GetModule(index);
+ mod->AddHit(itsHit,t,h);
+ } // end loop over hits
+ } // end loop over tracks
+
+ // open the file with background
+
+ if (addBgr ) {
+ Int_t track,i;
+ ntracks =(Int_t)trH1->GetEntries();
+ // Loop over tracks
+ for (track=0; track<ntracks; track++) {
+ if (fHits2) fHits2->Clear();
+ trH1->GetEvent(track);
+ // Loop over hits
+ for(i=0;i<fHits2->GetEntriesFast();++i) {
+ itsHit=(AliITShit*) (*fHits2)[i];
+ itsHit->GetDetectorID(lay,lad,det);
+ // temporarily index=det-1 !!!
+ if(fITSgeom) index = fITSgeom->GetModuleIndex(lay,lad,det);
+ else index=det-1;
+ //
+ mod = this->GetModule(index);
+ mod->AddHit(itsHit,track,i);
+ } // end loop over hits
+ } // end loop over tracks
+ TTree *fAli=gAlice->TreeK();
+ TFile *fileAli=0;
+ if (fAli) fileAli =fAli->GetCurrentFile();
+ fileAli->cd();
+ } // end if add
+}
+//______________________________________________________________________
+void AliITS::ClearModules(){
+ // Clear the modules TObjArray.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ if(fITSmodules) fITSmodules->Delete();
+}
+//______________________________________________________________________
+void AliITS::MakeBranchS(const char *fl){
+ // Creates Tree Branch for the ITS summable digits.
+ // Inputs:
+ // cont char *fl File name where SDigits branch is to be written
+ // to. If blank it write the SDigits to the same
+ // file in which the Hits were found.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ Int_t buffersize = 4000;
+ char branchname[30];
+
+ // only one branch for SDigits.
+ sprintf(branchname,"%s",GetName());
+ if(fSDigits && gAlice->TreeS()){
+ MakeBranchInTree(gAlice->TreeS(),branchname,&fSDigits,buffersize,fl);
+ } // end if
+}
+//______________________________________________________________________
+void AliITS::SetTreeAddressS(TTree *treeS){
+ // Set branch address for the ITS summable digits Trees.
+ // Inputs:
+ // TTree *treeS Tree containing the SDigits.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ char branchname[30];
+
+ if(!treeS) return;
+ TBranch *branch;
+ sprintf(branchname,"%s",GetName());
+ branch = treeS->GetBranch(branchname);
+ if (branch) branch->SetAddress(&fSDigits);
+}
+//______________________________________________________________________
+void AliITS::MakeBranchD(const char *file){
+ // Creates Tree branches for the ITS.
+ // Inputs:
+ // cont char *file File name where Digits branch is to be written
+ // to. If blank it write the SDigits to the same
+ // file in which the Hits were found.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ Int_t buffersize = 4000;
+ char branchname[30];
+
+ sprintf(branchname,"%s",GetName());
+ // one branch for digits per type of detector
+ const char *det[3] = {"SPD","SDD","SSD"};
+ char digclass[40];
+ char clclass[40];
+ Int_t i;
+ for (i=0; i<kNTYPES ;i++) {
+ DetType(i)->GetClassNames(digclass,clclass);
+ // digits
+ if(!(fDtype->At(i))) fDtype->AddAt(new TClonesArray(digclass,1000),i);
+ else ResetDigits(i);
+ } // end for i
+ for (i=0; i<kNTYPES ;i++) {
+ if (kNTYPES==3) sprintf(branchname,"%sDigits%s",GetName(),det[i]);
+ else sprintf(branchname,"%sDigits%d",GetName(),i+1);
+ if (fDtype && gAlice->TreeD()) {
+ MakeBranchInTree(gAlice->TreeD(),
+ branchname, &((*fDtype)[i]),buffersize,file);
+ } // end if
+ } // end for i
+}
+//______________________________________________________________________
+void AliITS::SetTreeAddressD(TTree *treeD){
+ // Set branch address for the Trees.
+ // Inputs:
+ // TTree *treeD Tree containing the Digits.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ char branchname[30];
+ const char *det[3] = {"SPD","SDD","SSD"};
+ TBranch *branch;
+ char digclass[40];
+ char clclass[40];
+ Int_t i;
+
+ if(!treeD) return;
+ for (i=0; i<kNTYPES; i++) {
+ DetType(i)->GetClassNames(digclass,clclass);
+ // digits
+ if(!(fDtype->At(i))) fDtype->AddAt(new TClonesArray(digclass,1000),i);
+ else ResetDigits(i);
+ if (kNTYPES==3) sprintf(branchname,"%sDigits%s",GetName(),det[i]);
+ else sprintf(branchname,"%sDigits%d",GetName(),i+1);
+ if (fDtype) {
+ branch = treeD->GetBranch(branchname);
+ if (branch) branch->SetAddress(&((*fDtype)[i]));
+ } // end if fDtype
+ } // end for i
+}
+//______________________________________________________________________
+void AliITS::Hits2SDigits(){
+ // Standard Hits to summable Digits function.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ return; // Using Hits in place of the larger sDigits.
+ AliHeader *header=gAlice->GetHeader(); // Get event number from this file.
+ // Do the Hits to Digits operation. Use Standard input values.
+ // Event number from file, no background hit merging , use size from
+ // AliITSgeom class, option="All", input from this file only.
+ HitsToSDigits(header->GetEvent(),0,-1," ",fOpt," ");
+}
+//______________________________________________________________________
+void AliITS::Hits2PreDigits(){
+ // Standard Hits to summable Digits function.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ AliHeader *header=gAlice->GetHeader(); // Get event number from this file.
+ // Do the Hits to Digits operation. Use Standard input values.
+ // Event number from file, no background hit merging , use size from
+ // AliITSgeom class, option="All", input from this file only.
+ HitsToPreDigits(header->GetEvent(),0,-1," ",fOpt," ");
+}
+//______________________________________________________________________
+void AliITS::SDigits2Digits(){
+ // Standard Summable digits to Digits function.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ Hits2Digits();
+}
+//______________________________________________________________________
+void AliITS::Hits2Digits(){
+ // Standard Hits to Digits function.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ AliHeader *header=gAlice->GetHeader(); // Get event number from this file.
+ // Do the Hits to Digits operation. Use Standard input values.
+ // Event number from file, no background hit merging , use size from
+ // AliITSgeom class, option="All", input from this file only.
+ HitsToDigits(header->GetEvent(),0,-1," ",fOpt," ");
+}
+//______________________________________________________________________
+void AliITS::HitsToSDigits(Int_t evNumber,Int_t bgrev,Int_t size,
+ Option_t *option, Option_t *opt,Text_t *filename){
+ // keep galice.root for signal and name differently the file for
+ // background when add! otherwise the track info for signal will be lost !
+ // the condition below will disappear when the geom class will be
+ // initialized for all versions - for the moment it is only for v5 !
+ // 7 is the SDD beam test version. Dummy routine. Hits are ITS's Summable
+ // Digits.
+ // Inputs:
+ // Int_t evnt Event to be processed.
+ // Int_t bgrev Background Hit tree number.
+ // Int_t nmodules Not used.
+ // Option_t *option String indicating if merging hits or not. To
+ // merge hits set equal to "Add". Otherwise no
+ // background hits are considered.
+ // Test_t *filename File name containing the background hits..
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ return; // using Hits instead of the larger sdigits.
+}
+//______________________________________________________________________
+void AliITS::HitsToPreDigits(Int_t evNumber,Int_t bgrev,Int_t size,
+ Option_t *option, Option_t *opt,Text_t *filename){
+ // Keep galice.root for signal and name differently the file for
+ // background when add! otherwise the track info for signal will be lost !
+ // the condition below will disappear when the geom class will be
+ // initialized for all versions - for the moment it is only for v5 !
+ // 7 is the SDD beam test version.
+ // Inputs:
+ // Int_t evnt Event to be processed.
+ // Int_t bgrev Background Hit tree number.
+ // Int_t nmodules Not used.
+ // Option_t *option String indicating if merging hits or not. To
+ // merge hits set equal to "Add". Otherwise no
+ // background hits are considered.
+ // Test_t *filename File name containing the background hits..
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(!GetITSgeom()) return; // need transformations to do digitization.
+ AliITSgeom *geom = GetITSgeom();
+
+ const char *all = strstr(opt,"All");
+ const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),
+ strstr(opt,"SSD")};
+ static Bool_t setDef=kTRUE;
+ if (setDef) SetDefaultSimulation();
+ setDef=kFALSE;
+
+ Int_t nmodules;
+ InitModules(size,nmodules);
+ FillModules(evNumber,bgrev,nmodules,option,filename);
+
+ AliITSsimulation *sim = 0;
+ AliITSDetType *iDetType = 0;
+ AliITSmodule *mod = 0;
+ Int_t id,module;
+ for(module=0;module<geom->GetIndexMax();module++){
+ id = geom->GetModuleType(module);
+ if (!all && !det[id]) continue;
+ iDetType = DetType(id);
+ sim = (AliITSsimulation*)iDetType->GetSimulationModel();
+ if (!sim) {
+ Error("HitsToSDigits",
+ "The simulation class was not instanciated!");
+ exit(1);
+ } // end if !sim
+ mod = (AliITSmodule *)fITSmodules->At(module);
+ sim->SDigitiseModule(mod,module,evNumber);
+ // fills all branches - wasted disk space
+ gAlice->TreeS()->Fill();
+ ResetSDigits();
+ } // end for module
+
+ ClearModules();
+
+ gAlice->TreeS()->GetEntries();
+
+ char hname[30];
+ sprintf(hname,"TreeS%d",evNumber);
+ gAlice->TreeS()->Write(hname,TObject::kOverwrite);
+ // reset tree
+ gAlice->TreeS()->Reset();
+}
+//______________________________________________________________________
+void AliITS::HitsToDigits(Int_t evNumber,Int_t bgrev,Int_t size,
+ Option_t *option, Option_t *opt,Text_t *filename){
+ // Keep galice.root for signal and name differently the file for
+ // background when add! otherwise the track info for signal will be lost !
+ // the condition below will disappear when the geom class will be
+ // initialized for all versions - for the moment it is only for v5 !
+ // 7 is the SDD beam test version.
+ // Inputs:
+ // Int_t evnt Event to be processed.
+ // Int_t bgrev Background Hit tree number.
+ // Int_t nmodules Not used.
+ // Option_t *option String indicating if merging hits or not. To
+ // merge hits set equal to "Add". Otherwise no
+ // background hits are considered.
+ // Test_t *filename File name containing the background hits..
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(!GetITSgeom()) return; // need transformations to do digitization.
+ AliITSgeom *geom = GetITSgeom();
+
+ const char *all = strstr(opt,"All");
+ const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),
+ strstr(opt,"SSD")};
+ static Bool_t setDef=kTRUE;
+ if (setDef) SetDefaultSimulation();
+ setDef=kFALSE;
+
+ Int_t nmodules;
+ InitModules(size,nmodules);
+ FillModules(evNumber,bgrev,nmodules,option,filename);
+
+ AliITSsimulation *sim = 0;
+ AliITSDetType *iDetType = 0;
+ AliITSmodule *mod = 0;
+ Int_t id,module;
+ for(module=0;module<geom->GetIndexMax();module++){
+ id = geom->GetModuleType(module);
+ if (!all && !det[id]) continue;
+ iDetType = DetType(id);
+ sim = (AliITSsimulation*)iDetType->GetSimulationModel();
+ if (!sim) {
+ Error("HitsToDigits",
+ "The simulation class was not instanciated!");
+ exit(1);
+ } // end if !sim
+ mod = (AliITSmodule *)fITSmodules->At(module);
+ sim->DigitiseModule(mod,module,evNumber);
+ // fills all branches - wasted disk space
+ gAlice->TreeD()->Fill();
+ ResetDigits();
+ } // end for module
+
+ ClearModules();
+
+ gAlice->TreeD()->GetEntries();
+
+ char hname[30];
+ sprintf(hname,"TreeD%d",evNumber);
+ gAlice->TreeD()->Write(hname,TObject::kOverwrite);
+ // reset tree
+ gAlice->TreeD()->Reset();
+}
+//______________________________________________________________________
+void AliITS::ResetSDigits(){
+ // Reset the Summable Digits array.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ if (fSDigits) fSDigits->Clear();
+ fNSDigits = 0;
+}
+//______________________________________________________________________
+void AliITS::ResetDigits(){
+ // Reset number of digits and the digits array for the ITS detector.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ if (!fDtype) return;
+
+ Int_t i;
+ for (i=0;i<kNTYPES;i++ ) {
+ if (fDtype->At(i)) ((TClonesArray*)fDtype->At(i))->Clear();
+ if (fNdtype) fNdtype[i]=0;
+ } // end for i
+}
+//______________________________________________________________________
+void AliITS::ResetDigits(Int_t i){
+ // Reset number of digits and the digits array for this branch.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ if (fDtype->At(i)) ((TClonesArray*)fDtype->At(i))->Clear();
+ if (fNdtype) fNdtype[i]=0;
+}
+//______________________________________________________________________
+void AliITS::AddSumDigit(AliITSpListItem &sdig){
+ // Adds the a module full of summable digits to the summable digits tree.
+ // Inputs:
+ // AliITSpListItem &sdig SDigit to be added to SDigits tree.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ TClonesArray &lsdig = *fSDigits;
+ new(lsdig[fNSDigits++]) AliITSpListItem(sdig);
+}
+//______________________________________________________________________
+void AliITS::AddRealDigit(Int_t id, Int_t *digits){
+ // Add a real digit - as coming from data.
+ // Inputs:
+ // Int_t id Detector type number.
+ // Int_t *digits Integer array containing the digits info. See
+ // AliITSdigit.h
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ TClonesArray &ldigits = *((TClonesArray*)fDtype->At(id));
+ new(ldigits[fNdtype[id]++]) AliITSdigit(digits);
+}
+//______________________________________________________________________
+void AliITS::AddSimDigit(Int_t id, AliITSdigit *d){
+ // Add a simulated digit.
+ // Inputs:
+ // Int_t id Detector type number.
+ // AliITSdigit *d Digit to be added to the Digits Tree. See
+ // AliITSdigit.h
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ TClonesArray &ldigits = *((TClonesArray*)fDtype->At(id));
+
+ switch(id){
+ case 0:
+ new(ldigits[fNdtype[id]++]) AliITSdigitSPD(*((AliITSdigitSPD*)d));
+ break;
+ case 1:
+ new(ldigits[fNdtype[id]++]) AliITSdigitSDD(*((AliITSdigitSDD*)d));
+ break;
+ case 2:
+ new(ldigits[fNdtype[id]++]) AliITSdigitSSD(*((AliITSdigitSSD*)d));
+ break;
+ } // end switch id
+}
+//______________________________________________________________________
+void AliITS::AddSimDigit(Int_t id,Float_t phys,Int_t *digits,Int_t *tracks,
+ Int_t *hits,Float_t *charges){
+ // Add a simulated digit to the list.
+ // Inputs:
+ // Int_t id Detector type number.
+ // Float_t phys Physics indicator. See AliITSdigits.h
+ // Int_t *digits Integer array containing the digits info. See
+ // AliITSdigit.h
+ // Int_t *tracks Integer array [3] containing the track numbers that
+ // contributed to this digit.
+ // Int_t *hits Integer array [3] containing the hit numbers that
+ // contributed to this digit.
+ // Float_t *charge Floating point array of the signals contributed
+ // to this digit by each track.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ TClonesArray &ldigits = *((TClonesArray*)fDtype->At(id));
+ switch(id){
+ case 0:
+ new(ldigits[fNdtype[id]++]) AliITSdigitSPD(digits,tracks,hits);
+ break;
+ case 1:
+ new(ldigits[fNdtype[id]++]) AliITSdigitSDD(phys,digits,tracks,
+ hits,charges);
+ break;
+ case 2:
+ new(ldigits[fNdtype[id]++]) AliITSdigitSSD(digits,tracks,hits);
+ break;
+ } // end switch id
+}
+//______________________________________________________________________
+void AliITS::MakeTreeC(Option_t *option){
+ // Create a separate tree to store the clusters.
+ // Inputs:
+ // Option_t *option string which must contain "C" otherwise
+ // no Cluster Tree is created.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ const char *optC = strstr(option,"C");
+ if (optC && !fTreeC) fTreeC = new TTree("TC","Clusters in ITS");
+ else return;
+
+ Int_t buffersize = 4000;
+ char branchname[30];
+ const char *det[3] = {"SPD","SDD","SSD"};
+ char digclass[40];
+ char clclass[40];
+
+ // one branch for Clusters per type of detector
+ Int_t i;
+ for (i=0; i<kNTYPES ;i++) {
+ AliITSDetType *iDetType=DetType(i);
+ iDetType->GetClassNames(digclass,clclass);
+ // clusters
+ fCtype->AddAt(new TClonesArray(clclass,1000),i);
+ if (kNTYPES==3) sprintf(branchname,"%sClusters%s",GetName(),det[i]);
+ else sprintf(branchname,"%sClusters%d",GetName(),i+1);
+ if (fCtype && fTreeC) {
+ TreeC()->Branch(branchname,&((*fCtype)[i]), buffersize);
+ } // end if fCtype && fTreeC
+ } // end for i
+}
+//______________________________________________________________________
+void AliITS::GetTreeC(Int_t event){
+ // Get the clusters tree for this event and set the branch address.
+ // Inputs:
+ // Int_t event Event number for the cluster tree.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ char treeName[20];
+ char branchname[30];
+ const char *det[3] = {"SPD","SDD","SSD"};
+
+ ResetClusters();
+ if (fTreeC) {
+ delete fTreeC;
+ } // end if fTreeC
+
+ sprintf(treeName,"TreeC%d",event);
+ fTreeC = (TTree*)gDirectory->Get(treeName);
+
+ TBranch *branch;
+
+ if (fTreeC) {
+ Int_t i;
+ char digclass[40];
+ char clclass[40];
+ for (i=0; i<kNTYPES; i++) {
+ AliITSDetType *iDetType=DetType(i);
+ iDetType->GetClassNames(digclass,clclass);
+ // clusters
+ if(!fCtype->At(i)) fCtype->AddAt(new TClonesArray(clclass,1000),i);
+ if(kNTYPES==3) sprintf(branchname,"%sClusters%s",GetName(),det[i]);
+ else sprintf(branchname,"%sClusters%d",GetName(),i+1);
+ if (fCtype) {
+ branch = fTreeC->GetBranch(branchname);
+ if (branch) branch->SetAddress(&((*fCtype)[i]));
+ } // end if fCtype
+ } // end for i
+ } else {
+ Error("GetTreeC","cannot find Clusters Tree for event:%d",event);
+ } // end if fTreeC
+}
+//______________________________________________________________________
+void AliITS::AddCluster(Int_t id, AliITSRawCluster *c){
+ // Add a cluster to the list.
+ // Inputs:
+ // Int_t id Detector type number.
+ // AliITSRawCluster *c Cluster class to be added to the tree of
+ // clusters.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ TClonesArray &lc = *((TClonesArray*)fCtype->At(id));
+
+ switch(id){
+ case 0:
+ new(lc[fNctype[id]++]) AliITSRawClusterSPD(*((AliITSRawClusterSPD*)c));
+ break;
+ case 1:
+ new(lc[fNctype[id]++]) AliITSRawClusterSDD(*((AliITSRawClusterSDD*)c));
+ break;
+ case 2:
+ new(lc[fNctype[id]++]) AliITSRawClusterSSD(*((AliITSRawClusterSSD*)c));
+ break;
+ } // end switch id
+}
+//______________________________________________________________________
+void AliITS::ResetClusters(){
+ // Reset number of clusters and the clusters array for ITS.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ Int_t i;
+ for (i=0;i<kNTYPES;i++ ) ResetClusters(i);
+}
+//______________________________________________________________________
+void AliITS::ResetClusters(Int_t i){
+ // Reset number of clusters and the clusters array for this branch.
+ // Inputs:
+ // Int_t i Detector type number.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if (fCtype->At(i)) ((TClonesArray*)fCtype->At(i))->Clear();
+ if (fNctype) fNctype[i]=0;
+}
+//______________________________________________________________________
+void AliITS::MakeBranchR(const char *file){
+ // Creates Tree branches for the ITS Reconstructed points.
+ // Inputs:
+ // cont char *file File name where RecPoints branch is to be written
+ // to. If blank it write the SDigits to the same
+ // file in which the Hits were found.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ Int_t buffsz = 4000;
+ char branchname[30];
+
+ // only one branch for rec points for all detector types
+ sprintf(branchname,"%sRecPoints",GetName());
+ if (fRecPoints && gAlice->TreeR()) {
+ MakeBranchInTree(gAlice->TreeR(),branchname,&fRecPoints,buffsz,file);
+ } // end if
+}
+//______________________________________________________________________
+void AliITS::SetTreeAddressR(TTree *treeR){
+ // Set branch address for the Reconstructed points Trees.
+ // Inputs:
+ // TTree *treeR Tree containing the RecPoints.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ char branchname[30];
+
+ if(!treeR) return;
+ TBranch *branch;
+ sprintf(branchname,"%sRecPoints",GetName());
+ branch = treeR->GetBranch(branchname);
+ if (branch) branch->SetAddress(&fRecPoints);
+}
+//______________________________________________________________________
+void AliITS::AddRecPoint(const AliITSRecPoint &r){
+ // Add a reconstructed space point to the list
+ // Inputs:
+ // const AliITSRecPoint &r RecPoint class to be added to the tree
+ // of reconstructed points TreeR.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ TClonesArray &lrecp = *fRecPoints;
+ new(lrecp[fNRecPoints++]) AliITSRecPoint(r);
+}
+//______________________________________________________________________
+void AliITS::HitsToFastRecPoints(Int_t evNumber,Int_t bgrev,Int_t size,
+ Option_t *opt0,Option_t *opt1,Text_t *flnm){
+ // keep galice.root for signal and name differently the file for
+ // background when add! otherwise the track info for signal will be lost !
+ // the condition below will disappear when the geom class will be
+ // initialized for all versions - for the moment it is only for v5 !
+ // Inputs:
+ // Int_t evnt Event to be processed.
+ // Int_t bgrev Background Hit tree number.
+ // Int_t size Size used by InitModules. See InitModules.
+ // Option_t *opt0 Option passed to FillModules. See FillModules.
+ // Option_t *opt1 String indicating if merging hits or not. To
+ // merge hits set equal to "Add". Otherwise no
+ // background hits are considered.
+ // Test_t *flnm File name containing the background hits..
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(!GetITSgeom()) return;
+ AliITSgeom *geom = GetITSgeom();
+
+ const char *all = strstr(opt1,"All");
+ const char *det[3] ={strstr(opt1,"SPD"),strstr(opt1,"SDD"),
+ strstr(opt1,"SSD")};
+ Int_t nmodules;
+ InitModules(size,nmodules);
+ FillModules(evNumber,bgrev,nmodules,opt0,flnm);
+
+ AliITSsimulation *sim = 0;
+ AliITSDetType *iDetType = 0;
+ AliITSmodule *mod = 0;
+ Int_t id,module;
+
+ //m.b. : this change is nothing but a nice way to make sure
+ //the CPU goes up !
+ for(module=0;module<geom->GetIndexMax();module++){
+ id = geom->GetModuleType(module);
+ if (!all && !det[id]) continue;
+ iDetType = DetType(id);
+ sim = (AliITSsimulation*)iDetType->GetSimulationModel();
+ if (!sim) {
+ Error("HitsToFastPoints",
+ "The simulation class was not instanciated!");
+ exit(1);
+ } // end if !sim
+ mod = (AliITSmodule *)fITSmodules->At(module);
+ sim->CreateFastRecPoints(mod,module,gRandom);
+ gAlice->TreeR()->Fill();
+ ResetRecPoints();
+ } // end for module
+
+ ClearModules();
+
+ char hname[30];
+ sprintf(hname,"TreeR%d",evNumber);
+ gAlice->TreeR()->Write(hname,TObject::kOverwrite);
+ // reset tree
+ gAlice->TreeR()->Reset();
+}
+//______________________________________________________________________
+void AliITS::Digits2Reco(){
+ // Find clusters and reconstruct space points.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ AliHeader *header=gAlice->GetHeader();
+ // to Digits to RecPoints for event in file, all digits in file, and
+ // all ITS detectors.
+ DigitsToRecPoints(header->GetEvent(),0,fOpt);
+}
+//______________________________________________________________________
+void AliITS::DigitsToRecPoints(Int_t evNumber,Int_t lastentry,Option_t *opt){
+ // cluster finding and reconstruction of space points
+ // the condition below will disappear when the geom class will be
+ // initialized for all versions - for the moment it is only for v5 !
+ // 7 is the SDD beam test version
+ // Inputs:
+ // Int_t evNumber Event number to be processed.
+ // Int_t lastentry Offset for module when not all of the modules
+ // are processed.
+ // Option_t *opt String indicating which ITS sub-detectors should
+ // be processed. If ="All" then all of the ITS
+ // sub detectors are processed.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(!GetITSgeom()) return;
+ AliITSgeom *geom = GetITSgeom();
+
+ const char *all = strstr(opt,"All");
+ const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),
+ strstr(opt,"SSD")};
+ static Bool_t setRec=kTRUE;
+ if (setRec) SetDefaultClusterFinders();
+ setRec=kFALSE;
+
+ TTree *treeC=TreeC();
+
+ AliITSClusterFinder *rec = 0;
+ AliITSDetType *iDetType = 0;
+ Int_t id,module,first=0;
+ for(module=0;module<geom->GetIndexMax();module++){
+ id = geom->GetModuleType(module);
+ if (!all && !det[id]) continue;
+ if(det[id]) first = geom->GetStartDet(id);
+ iDetType = DetType(id);
+ rec = (AliITSClusterFinder*)iDetType->GetReconstructionModel();
+ TClonesArray *itsDigits = this->DigitsAddress(id);
+ if (!rec) {
+ Error("DigitsToRecPoints",
+ "The reconstruction class was not instanciated!");
+ exit(1);
+ } // end if !rec
+ this->ResetDigits();
+ if (all) gAlice->TreeD()->GetEvent(lastentry+module);
+ else gAlice->TreeD()->GetEvent(lastentry+(module-first));
+ Int_t ndigits = itsDigits->GetEntriesFast();
+ if (ndigits) rec->FindRawClusters(module);
+ gAlice->TreeR()->Fill();
+ ResetRecPoints();
+ treeC->Fill();
+ ResetClusters();
+ } // end for module
+
+ gAlice->TreeR()->GetEntries();
+ treeC->GetEntries();
+
+ char hname[30];
+ sprintf(hname,"TreeR%d",evNumber);
+ gAlice->TreeR()->Write(hname,TObject::kOverwrite);
+ // reset tree
+ gAlice->TreeR()->Reset();
+
+ sprintf(hname,"TreeC%d",evNumber);
+ treeC->Write(hname,TObject::kOverwrite);
+ treeC->Reset();
+}
+//______________________________________________________________________
+void AliITS::ResetRecPoints(){
+ // Reset number of rec points and the rec points array.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+
+ if (fRecPoints) fRecPoints->Clear();
+ fNRecPoints = 0;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff