9ee2a57287c03867298b1ab8ab708f4cce234fb7
[u/mrichter/AliRoot.git] / ITS / AliITSvSPD02.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
5  * Contributors are mentioned in the code where appropriate.              *
6  *                                                                        *
7  * Permission to use, copy, modify and distribute this software and its   *
8  * documentation strictly for non-commercial purposes is hereby granted   *
9  * without fee, provided that the above copyright notice appears in all   *
10  * copies and that both the copyright notice and this permission notice   *
11  * appear in the supporting documentation. The authors make no claims     *
12  * about the suitability of this software for any purpose. It is          *
13  * provided "as is" without express or implied warranty.                  *
14  **************************************************************************/
15
16 /*
17 $Log$
18 Revision 1.1  2002/12/05 20:07:25  nilsen
19 Adding new SPD 2002 test-beam geometry, with Config file (setup for testing,
20 50 pions in one event and not 50 events with one pion).
21
22 */
23 #include <Riostream.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <TMath.h>
27 #include <TGeometry.h>
28 #include <TNode.h>
29 #include <TTUBE.h>
30 #include <TTUBS.h>
31 #include <TPCON.h>
32 #include <TFile.h>    // only required for Tracking function?
33 #include <TCanvas.h>
34 #include <TObjArray.h>
35 #include <TLorentzVector.h>
36 #include <TObjString.h>
37 #include <TClonesArray.h>
38 #include <TBRIK.h>
39 #include <TSystem.h>
40
41 #include "AliRun.h"
42 #include "AliMagF.h"
43 #include "AliConst.h"
44 #include "AliITSGeant3Geometry.h"
45 #include "AliTrackReference.h"
46 #include "AliITShit.h"
47 #include "AliITS.h"
48 #include "AliITSvSPD02.h"
49 #include "AliITSgeom.h"
50 #include "AliITSgeomSPD.h"
51 #include "AliITSgeomSDD.h"
52 #include "AliITSgeomSSD.h"
53 #include "AliITSDetType.h"
54 #include "AliITSresponseSPD.h"
55 #include "AliITSresponseSDD.h"
56 #include "AliITSresponseSSD.h"
57 #include "AliITSsegmentationSPD.h"
58 #include "AliITSsegmentationSDD.h"
59 #include "AliITSsegmentationSSD.h"
60 #include "AliITSsimulationSPD.h"
61 #include "AliITSsimulationSDD.h"
62 #include "AliITSsimulationSSD.h"
63 #include "AliITSClusterFinderSPD.h"
64 #include "AliITSClusterFinderSDD.h"
65 #include "AliITSClusterFinderSSD.h"
66
67
68 ClassImp(AliITSvSPD02)
69
70 //______________________________________________________________________
71 AliITSvSPD02::AliITSvSPD02() {
72     ////////////////////////////////////////////////////////////////////////
73     // Standard default constructor for the ITS SPD test beam 2002 version 1.
74     // Inputs:
75     //    none.
76     // Outputs:
77     //    none.
78     // Return:
79     //    A default created class.
80     ////////////////////////////////////////////////////////////////////////
81     Int_t i;
82
83     fIdN          = 0;
84     fIdName       = 0;
85     fIdSens       = 0;
86     fEuclidOut    = kFALSE; // Don't write Euclide file
87     fGeomDetOut   = kFALSE; // Don't write .det file
88     fGeomDetIn    = kFALSE; // Don't Read .det file
89     fMajorVersion = IsVersion();
90     fMinorVersion = -1;
91     for(i=0;i<60;i++) fRead[i] = '\0';
92     for(i=0;i<60;i++) fWrite[i] = '\0';
93     for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
94 }
95 //______________________________________________________________________
96 AliITSvSPD02::AliITSvSPD02(const char *title) : AliITS("ITS", title){
97     ////////////////////////////////////////////////////////////////////////
98     //    Standard constructor for the ITS SPD testbeam 2002 version 1.
99     // Inputs:
100     //    const char *title    title for this ITS geometry.
101     // Outputs:
102     //    none.
103     // Return:
104     //    A standard created class.
105     ////////////////////////////////////////////////////////////////////////
106     Int_t i;
107
108     fIdN = 2;
109     fIdName = new TString[fIdN];
110     fIdName[0] = "IMBS";
111     fIdName[1] = "ITST";
112     fIdSens    = new Int_t[fIdN];
113     for(i=0;i<fIdN;i++) fIdSens[i] = 0;
114     fMajorVersion = IsVersion();
115     fMinorVersion = 2;
116     fEuclidOut    = kFALSE; // Don't write Euclide file
117     fGeomDetOut   = kFALSE; // Don't write .det file
118     fGeomDetIn    = kFALSE; // Don't Read .det file
119     SetThicknessDet1();
120     SetThicknessDet2();
121     SetThicknessChip1();
122     SetThicknessChip2();                         
123
124     fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSPD022.euc";
125     strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSPD022.det",60);
126     strncpy(fRead,fEuclidGeomDet,60);
127     strncpy(fWrite,fEuclidGeomDet,60);
128 }
129 //______________________________________________________________________
130 AliITSvSPD02::AliITSvSPD02(const AliITSvSPD02 &source){
131     ////////////////////////////////////////////////////////////////////////
132     //     Copy Constructor for ITS SPD test beam 2002 version 1.
133     // This class is not to be copied. Function only dummy.
134     // Inputs:
135     //    const AliITSvSPD02 &source   The class to be copied
136     // Outputs:
137     //    none.
138     // Return:
139     //    A warning message.
140     ////////////////////////////////////////////////////////////////////////
141     if(&source == this) return;
142     Warning("Copy Constructor","Not allowed to copy AliITSvSPD02");
143     return;
144 }
145 //______________________________________________________________________
146 AliITSvSPD02& AliITSvSPD02::operator=(const AliITSvSPD02 &source){
147     ////////////////////////////////////////////////////////////////////////
148     //    Assignment operator for the ITS SPD test beam 2002 version 1.
149     // This class is not to be copied. Function only dummy.
150     // Inputs:
151     //    const AliITSvSPD02 &source   The class to be copied
152     // Outputs:
153     //    none.
154     // Return:
155     //    A Warning message
156     ////////////////////////////////////////////////////////////////////////
157     if(&source == this) return *this;
158     Warning("= operator","Not allowed to copy AliITSvSPD02");
159     return *this;
160 }
161 //______________________________________________________________________
162 AliITSvSPD02::~AliITSvSPD02() {
163     ////////////////////////////////////////////////////////////////////////
164     //    Standard destructor for the ITS SPD test beam 2002 version 1.
165     // Inputs:
166     //    none.
167     // Outputs:
168     //    none.
169     // Return:
170     //    none.
171     ////////////////////////////////////////////////////////////////////////
172 }
173 //______________________________________________________________________
174 void AliITSvSPD02::BuildGeometry(){
175     ////////////////////////////////////////////////////////////////////////
176     //    Geometry builder for the ITS SPD test beam 2002 version 1.
177     //    ALIC    ALICE Mother Volume
178     //     |- ITSV     ITS Mother Volume
179     //         |- IDET       Detector under Test
180     //         |   |- ITS0       SPD Si Chip
181     //         |   |  |- ITST      SPD Sensitivve Volume
182     //         |   |- IPC0 *5    Readout chip
183     //         |- ITEL *4    SPD Telescope
184     //             |- IMB0       SPD Si Chip
185     //             |   |- IMBS     SPD Sensitive volume
186     //             |- ICMB       Chip MiniBus.
187     // Inputs:
188     //    none.
189     // Outputs:
190     //    none.
191     // Return:
192     //    none.
193     ////////////////////////////////////////////////////////////////////////
194     // Get the top alice volume.
195     TNode *ALIC = gAlice->GetGeometry()->GetNode("alice");
196     ALIC->cd();
197
198     // Define ITS Mother Volume
199     Float_t data[3];
200     Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
201     Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
202     //Float_t yposition= 0.0;
203     TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0",
204                                     90.0,0,0.0,0,90.0,270.0);
205     data[0] = 10.0;
206     data[1] = 50.0;
207     data[2] = 100.0;
208     TBRIK *ITSVshape = new TBRIK("ITSVshape","ITS Logical Mother Volume","Air",
209                                  data[0],data[1],data[2]);
210     TNode *ITSV = new TNode("ITSV","ITS Mother Volume",ITSVshape,
211                             0.0,0.0,0.0,0,0);
212     ITSV->cd(); // set ourselve into ITSV subvolume of ALIC
213
214     // SPD part of telescope (MiniBuS)
215     data[0] = 0.705;
216     data[1] = 0.5*ddettelescope;
217     data[2] = 3.536;
218     TBRIK *IMB0shape = new TBRIK("IMB0shape","SPD wafer","Si",
219                                  data[0],data[1],data[2]);
220     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
221     data[0] = detMiniBusX = 0.64;
222     data[1] = detMiniBusY = 0.5*ddettelescope;
223     data[2] = detMiniBusZ = 3.48;
224     TBRIK *IMBSshape = new TBRIK("IMBSshape","SPD Sensitive volume","Si",
225                                  data[0],data[1],data[2]);
226     Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
227     data[0] = chipMiniBusX = 0.793;
228     data[1] = chipMiniBusY = 0.5*dchipMiniBus;
229     data[2] = chipMiniBusZ = 0.68;
230     TBRIK *ICMBshape = new TBRIK("ICMBshape","chip Minibus","Si",
231                                  data[0],data[1],data[2]);
232     data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
233     data[1] = detMiniBusY+chipMiniBusY;
234     data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
235     TBRIK *ITELshape = new TBRIK("ITELshape","ITELshape","Air",
236                                  data[0],data[1],data[2]);
237
238     // SPD under test
239     Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
240     data[0] = 0.705;
241     data[1] = ddettest;
242     data[2] = 3.536;
243     TBRIK *ITS0shape = new TBRIK("ITS0shape","SPD wafer","Si",
244                                  data[0],data[1],data[2]); // contains detector
245     data[0] = spdX = 0.64;
246     data[1] = spdY = ddettest;
247     data[2] = spdZ = 3.48;
248     TBRIK *ITSTshape = new TBRIK("ITSTshape","SPD sensitive volume","Si",
249                                  data[0],data[1],data[2]);
250     // ITS0 with no translation and unit rotation matrix.
251     data[0] = spdchipX = 0.793;
252     data[1] = spdchipY = dchiptest;
253     data[2] = spdchipZ = 0.68;
254     TBRIK *IPC0shape = new TBRIK("IPC0shape","Readout Chips","Si",
255                                  data[0],data[1],data[2]); // chip under test
256     data[0] = TMath::Max(spdchipX,spdX);
257     data[1] = spdY+spdchipY;
258     data[2] = TMath::Max(spdchipZ,spdZ);
259     TBRIK *IDETshape = new TBRIK("IDETshape","Detector Under Test","Air",
260                                  data[0],data[1],data[2]);
261     // Place volumes in geometry
262     Int_t i,j;
263     char name[20],title[50];
264     Double_t px=0.0,py=0.0,pz[4]={-38.0,0.0,0.0,0.0};
265     pz[1] = pz[0]+2.0;
266     pz[2] = pz[1]+38.0+spdY+spdchipY+34.5;
267     pz[3] = pz[2]+2.0;
268     TNode *ITEL[4],*ICMB[4],*IMB0[4],*IMBS[4];
269     TNode *IDET = new TNode("IDET","Detector Under Test",IDETshape,
270                             0.0,0.0,pz[1]+38.0,r0,0);
271     IDET->cd();
272     TNode *ITS0 = new TNode("ITS0","SPD Chip",ITS0shape,
273                             0.0,IDETshape->GetDy()-spdY,0.0,0,0);
274     TNode *IPC0[5];
275     for(i=0;i<5;i++) { //place readout chips on the back of SPD chip under test
276         sprintf(name,"IPC0%d",i);
277         sprintf(title,"Readout chip #%d",i+1);
278         j = i-2;
279         IPC0[i] = new TNode(name,title,IPC0shape,
280                             0.0,spdchipY-IDETshape->GetDy(),
281                             j*2.0*spdchipZ+j*0.25*(spdZ-5.*spdchipZ),0,0);
282     } // end for i
283     ITS0->cd();
284     TNode *ITST = new TNode("ITST","SPD sensitive volume",ITSTshape,
285                             0.0,0.0,0.0,0,0);
286     for(Int_t i=0;i<4;i++){
287         ITSV->cd();
288         sprintf(name,"ITEL%d",i);
289         sprintf(title,"Test beam telescope element #%d",i+1);
290         ITEL[i] = new TNode(name,title,ITELshape,px,py,pz[i],r0,0);
291         ITEL[i]->cd();
292         ICMB[i] = new TNode("ICMB","Chip MiniBus",ICMBshape,
293                             0.0,-ITELshape->GetDy()+detMiniBusY,0.0,0,0);
294         IMB0[i] = new TNode("IMB0","Chip MiniBus",IMB0shape,
295                             0.0, ITELshape->GetDy()-detMiniBusY,0.0,0,0);
296         IMB0[i]->cd();
297         IMBS[i] = new TNode("IMBS","IMBS",IMBSshape,0.0,0.0,0.0,0,0);
298         // place IMBS inside IMB0 with no translation and unit rotation matrix.
299     } // end for i
300     ALIC->cd();
301     ITST->SetLineColor(kYellow);
302     fNodes->Add(ITST);
303     for(i=0;i<4;i++){
304         IMBS[i]->SetLineColor(kGreen);
305         fNodes->Add(IMBS[i]);
306     } // end for i
307 }
308 //______________________________________________________________________
309 void AliITSvSPD02::CreateGeometry(){
310     ////////////////////////////////////////////////////////////////////////
311     //  This routine defines and Creates the geometry for version 1 of the ITS.
312     //    ALIC    ALICE Mother Volume
313     //     |- ITSV     ITS Mother Volume
314     //         |- IDET       Detector under Test
315     //         |   |- ITS0       SPD Si Chip
316     //         |   |  |- ITST      SPD Sensitivve Volume
317     //         |   |- IPC0 *5    Readout chip
318     //         |- ITEL *4    SPD Telescope
319     //             |- IMB0       SPD Si Chip
320     //             |   |- IMBS     SPD Sensitive volume
321     //             |- ICMB       Chip MiniBus.
322     // Inputs:
323     //    none.
324     // Outputs:
325     //    none.
326     // Return:
327     //    none.
328     ////////////////////////////////////////////////////////////////////////
329     Float_t data[49];
330     // Define media off-set
331     Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
332     Int_t idrotm[4]; // Array of rotation matrix indexes
333     Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
334     Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
335     Float_t yposition= 0.0;
336
337     // Define Rotation-reflextion Matrixes needed
338     // 0 is the unit matrix
339     AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0);
340     data[0] = 10.0;
341     data[1] = 50.0;
342     data[2] = 100.0;
343     gMC->Gsvolu("ITSV","BOX",idtmed[0],data,3);
344     gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
345
346     //cout << "idtmed[0]=" << idtmed[0]<<endl;
347     //cout << "idtmed[1]=" << idtmed[1]<<endl;
348     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
349     // SPD part of telescope (MiniBuS)
350     data[0] = detMiniBusX = 0.705;
351     data[1] = detMiniBusY = 0.5*ddettelescope;
352     data[2] = detMiniBusZ = 3.536;
353     gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3);   // contains detector
354     data[0] = 0.64;
355     data[1] = 0.5*ddettelescope;
356     data[2] = 3.48;
357     gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detecor volulme
358     gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
359     // IMB0 with no translation and unit rotation matrix.
360     Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
361     data[0] = chipMiniBusX = 0.793;
362     data[1] = chipMiniBusY = 0.5*dchipMiniBus;
363     data[2] = chipMiniBusZ = 0.68;
364     gMC->Gsvolu("ICMB","BOX ",idtmed[1],data, 3);   // chip Minibus
365     data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
366     data[1] = detMiniBusY+chipMiniBusY;
367     data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
368     gMC->Gsvolu("ITEL","BOX ",idtmed[0],data,3);
369     gMC->Gspos("IMB0",1,"ITEL",0.0,data[1]-detMiniBusY,0.0,0,"ONLY");
370     gMC->Gspos("ICMB",1,"ITEL",0.0,-data[1]+chipMiniBusY,0.0,0,"ONLY");
371
372     // SPD under test
373     Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
374     data[0] = spdX = 0.705;
375     data[1] = spdY = 0.5*ddettest;
376     data[2] = spdZ = 3.536;
377     gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3);   // contains detector
378     data[0] = 0.64;
379     data[1] = 0.5*ddettest;
380     data[2] = 3.48;
381     gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
382     gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
383     // ITS0 with no translation and unit rotation matrix.
384     data[0] = spdchipX = 0.793;
385     data[1] = spdchipY = 0.5*dchiptest;
386     data[2] = spdchipZ = 0.68;
387     gMC->Gsvolu("IPC0", "BOX ", idtmed[1],data,3);   // chip under test
388     data[0] = TMath::Max(spdchipX,spdX);
389     data[1] = spdY+spdchipY;
390     data[2] = TMath::Max(spdchipZ,spdZ);
391     gMC->Gsvolu("IDET","BOX ",idtmed[0],data,3);
392     gMC->Gspos("ITS0",1,"IDET",0.0,data[1]-spdY,0.0,0,"ONLY");
393     for(Int_t i=-2;i<3;i++) gMC->Gspos("IPC0",i+3,"IDET",0.0,-data[1]+spdchipY,
394               i*2.*spdchipZ+i*0.25*(spdZ-5.*spdchipZ),0,"ONLY");
395
396     // Positions detectors, Beam Axis Z, X to the right, Y up to the sky.
397     Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
398     p00X = 0.0;
399     p00Y = 0.0;
400     p00Z = -38.0;
401     gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");
402     p01X = 0.0;
403     p01Y = 0.0;
404     p01Z = p00Z+2.0;
405     gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");
406     Float_t pdetX,pdetY,pdetZ;
407     pdetX = 0.0;
408     pdetY = 0.0+yposition;
409     pdetZ = p01Z+38.0;
410     gMC->Gspos("IDET",1,"ITSV",pdetX,pdetY,pdetZ,idrotm[0],"ONLY");
411     p10X = 0.0;
412     p10Y = 0.0;
413     p10Z = pdetZ + 34.5;
414     gMC->Gspos("ITEL",3,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");
415     p11X = 0.0;
416     p11Y = 0.0;
417     p11Z = p10Z+2.0;
418     gMC->Gspos("ITEL",4,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");
419 }
420 //______________________________________________________________________
421 void AliITSvSPD02::CreateMaterials(){
422     ////////////////////////////////////////////////////////////////////////
423     //
424     // Create ITS SPD test beam materials
425     //     This function defines the default materials used in the Geant
426     // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
427     // AliITSvSPD02.
428     // In general it is automatically replaced by
429     // the CreatMaterials routine defined in AliITSv?. Should the function
430     // CreateMaterials not exist for the geometry version you are using this
431     // one is used. See the definition found in AliITSv5 or the other routine
432     // for a complete definition.
433     //
434     // Inputs:
435     //    none.
436     // Outputs:
437     //    none.
438     // Return:
439     //    none.
440     /////////////////////////////////////////////////////////////////////////
441     Float_t tmaxfdSi = 0.1; // Degree
442     Float_t stemaxSi = 0.0075; // cm
443     Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
444     Float_t epsilSi  = 1.0E-4;//
445     Float_t stminSi  = 0.0; // cm "Default value used"
446
447     Float_t tmaxfdAir = 0.1; // Degree
448     Float_t stemaxAir = .10000E+01; // cm
449     Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
450     Float_t epsilAir  = 1.0E-4;//
451     Float_t stminAir  = 0.0; // cm "Default value used"
452     Int_t   ifield = gAlice->Field()->Integ();
453     Float_t fieldm = gAlice->Field()->Max();
454
455     AliMaterial(1,"AIR$",0.14610E+02,0.73000E+01,0.12050E-02,
456                 0.30423E+05,0.99900E+03);
457     AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
458               epsilAir,stminAir);
459
460     AliMaterial(2,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,
461                 0.93600E+01,0.99900E+03);
462     AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
463               epsilSi,stminSi);
464 }
465 //______________________________________________________________________
466 void AliITSvSPD02::InitAliITSgeom(){
467     //     Based on the geometry tree defined in Geant 3.21, this
468     // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
469     // sturture.
470     // Inputs:
471     //    none.
472     // Outputs:
473     //    none.
474     // Return:
475     //    none.
476     if(strcmp(gMC->GetName(),"TGeant3")) {
477         Error("InitAliITSgeom",
478                 "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls");
479         return;
480     } // end if
481     cout << "Reading Geometry transformation directly from Geant 3." << endl;
482     const Int_t nlayers = 2;
483     const Int_t ndeep = 5;
484     Int_t itsGeomTreeNames[nlayers][ndeep],lnam[20],lnum[20];
485     Int_t nlad[nlayers],ndet[nlayers];
486     Double_t t[3],r[10];
487     Float_t  par[20],att[20];
488     Int_t    npar,natt,idshape,imat,imed;
489     AliITSGeant3Geometry *ig = new AliITSGeant3Geometry();
490     Int_t mod,lay,lad,det,i,j,k;
491     Char_t names[nlayers][ndeep][4];
492     Int_t itsGeomTreeCopys[nlayers][ndeep];
493     Char_t *namesA[nlayers][ndeep] = {
494      {"ALIC","ITSV","ITEL","IMB0","IMBS"}, // lay=1
495      {"ALIC","ITSV","IDET","ITS0","ITST"}};// Test SPD
496     Int_t itsGeomTreeCopysA[nlayers][ndeep]= {{1,1,4,1,1},// lay=1
497                                               {1,1,1,1,1}};//lay=2 TestSPD
498     for(i=0;i<nlayers;i++)for(j=0;j<ndeep;j++){
499         for(k=0;k<4;k++) names[i][j][k] = namesA[i][j][k];
500         itsGeomTreeCopys[i][j] = itsGeomTreeCopysA[i][j];
501     } // end for i,j
502     // Sorry, but this is not very pritty code. It should be replaced
503     // at some point with a version that can search through the geometry
504     // tree its self.
505     cout << "Reading Geometry informaton from Geant3 common blocks" << endl;
506     for(i=0;i<20;i++) lnam[i] = lnum[i] = 0;
507     for(i=0;i<nlayers;i++)for(j=0;j<ndeep;j++) 
508         itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]);
509     mod = 0;
510     for(i=0;i<nlayers;i++){
511         k = 1;
512         for(j=0;j<ndeep;j++) if(itsGeomTreeCopys[i][j]!=0)
513             k *= TMath::Abs(itsGeomTreeCopys[i][j]);
514         mod += k;
515     } // end for i
516
517     if(fITSgeom!=0) delete fITSgeom;
518     nlad[0]=20;nlad[1]=40;nlad[2]=14;nlad[3]=22;nlad[4]=34;nlad[5]=38;
519     ndet[0]=4;ndet[1]=4;ndet[2]=6;ndet[3]=8;ndet[4]=22;ndet[5]=25;
520     fITSgeom = new AliITSgeom(0,6,nlad,ndet,mod);
521     mod = -1;
522     for(lay=1;lay<=nlayers;lay++){
523         for(j=0;j<ndeep;j++) lnam[j] = itsGeomTreeNames[lay-1][j];
524         for(j=0;j<ndeep;j++) lnum[j] = itsGeomTreeCopys[lay-1][j];
525         switch (lay){
526         case 1: case 2: // layers 1 and 2 are a bit special
527             lad = 0;
528             for(j=1;j<=itsGeomTreeCopys[lay-1][4];j++){
529                 lnum[4] = j;
530                 for(k=1;k<=itsGeomTreeCopys[lay-1][5];k++){
531                     lad++;
532                     lnum[5] = k;
533                     for(det=1;det<=itsGeomTreeCopys[lay-1][6];det++){
534                         lnum[6] = det;
535                         mod++;
536                         ig->GetGeometry(ndeep,lnam,lnum,t,r,idshape,npar,natt,
537                                         par,att,imat,imed);
538                         fITSgeom->CreatMatrix(mod,lay,lad,det,kSPD,t,r);
539                         if(!(fITSgeom->IsShapeDefined((Int_t)kSPD)))
540                              fITSgeom->ReSetShape(kSPD,
541                                          new AliITSgeomSPD425Short(npar,par));
542                     } // end for det
543                 } // end for k
544             } // end for j
545             break;
546         } // end switch
547     } // end for lay
548     return;
549 }
550 //______________________________________________________________________
551 void AliITSvSPD02::Init(){
552     ////////////////////////////////////////////////////////////////////////
553     //     Initialise the ITS after it has been created.
554     // Inputs:
555     //    none.
556     // Outputs:
557     //    none.
558     // Return:
559     //    none.
560     ////////////////////////////////////////////////////////////////////////
561     Int_t i;
562
563     cout << endl;
564     for(i=0;i<26;i++) cout << "*";
565     cout << " ITSvSPD02" << fMinorVersion << "_Init ";
566     for(i=0;i<25;i++) cout << "*";cout << endl;
567 //
568     if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
569     if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
570     if(fITSgeom!=0) delete fITSgeom;
571     fITSgeom = new AliITSgeom();
572     if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
573     if(!fGeomDetIn) this->InitAliITSgeom();
574     if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
575     AliITS::Init();
576 //
577     for(i=0;i<72;i++) cout << "*";
578     cout << endl;
579     fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
580 }
581 //______________________________________________________________________
582 void AliITSvSPD02::SetDefaults(){
583     // sets the default segmentation, response, digit and raw cluster classes
584     // Inputs:
585     //    none.
586     // Outputs:
587     //    none.
588     // Return:
589     //    none.
590     const Float_t kconv = 1.0e+04; // convert cm to microns
591
592     Info("SetDefaults","Setting up only SPD detector");
593
594     AliITSDetType *iDetType;
595     AliITSgeomSPD  *s0;
596     Int_t i;
597     Float_t bx[256],bz[280];
598
599     //SPD
600     iDetType=DetType(kSPD);
601     s0 = (AliITSgeomSPD*) fITSgeom->GetShape(kSPD);// Get shape info. Do it this way for now.
602     AliITSresponse *resp0=new AliITSresponseSPD();
603     SetResponseModel(kSPD,resp0);
604     AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
605     seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
606                      s0->GetDz()*2.*kconv, // for now.
607                      s0->GetDy()*2.*kconv); // x,z,y full width in microns.
608     seg0->SetNPads(256,160);// Number of Bins in x and z
609     for(i=000;i<256;i++) bx[i] =  50.0; // in x all are 50 microns.
610     for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
611     for(i=160;i<280;i++) bz[i] =   0.0; // Outside of detector.
612     bz[ 31] = bz[ 32] = 625.0; // first chip boundry
613     bz[ 63] = bz[ 64] = 625.0; // first chip boundry
614     bz[ 95] = bz[ 96] = 625.0; // first chip boundry
615     bz[127] = bz[128] = 625.0; // first chip boundry
616     bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
617     seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
618     SetSegmentationModel(kSPD,seg0);
619     // set digit and raw cluster classes to be used
620     const char *kData0=(iDetType->GetResponseModel())->DataType();
621     if (strstr(kData0,"real")) iDetType->ClassNames("AliITSdigit",
622                                                     "AliITSRawClusterSPD");
623     else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
624 //    SetSimulationModel(kSPD,new AliITSsimulationSPD(seg0,resp0));
625 //    iDetType->ReconstructionModel(new AliITSClusterFinderSPD());
626
627     if(kNTYPES>3){
628         Warning("SetDefaults",
629                 "Only the four basic detector types are initialised!");
630     }// end if
631     return;
632 }
633 //______________________________________________________________________
634 void AliITSvSPD02::DrawModule(){
635     ////////////////////////////////////////////////////////////////////////
636     //     Draw a shaded view of the ITS SPD test beam version 1.
637     // Inputs:
638     //    none.
639     // Outputs:
640     //    none.
641     // Return:
642     //    none.
643     ////////////////////////////////////////////////////////////////////////
644     // Set everything unseen
645     gMC->Gsatt("*", "seen", -1);
646     // Set ALIC mother visible
647     gMC->Gsatt("ALIC","SEEN",0);
648     // Set ALIC ITS visible
649     gMC->Gsatt("ITSV","SEEN",0);
650     // Set ALIC Telescopes visible
651     gMC->Gsatt("ITEL","SEEN",0);
652     // Set ALIC detetcor visible
653     gMC->Gsatt("IDET","SEEN",0);
654     // Set Detector chip mother visible and drawn
655     gMC->Gsatt("IPC0","SEEN",1);
656     // Set Detector mother visible and drawn
657     gMC->Gsatt("ITS0","SEEN",1);
658     // Set minibus chip mother visible and drawn
659     gMC->Gsatt("ICMB","SEEN",1);
660     // Set minibus mother visible and drawn
661     gMC->Gsatt("IMB0","SEEN",1);
662 }
663 //______________________________________________________________________
664 void AliITSvSPD02::StepManager(){
665     ////////////////////////////////////////////////////////////////////////
666     //    Called for every step in the ITS SPD test beam, then calles the 
667     // AliITShit class  creator with the information to be recoreded about
668     //  that hit.
669     //     The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
670     // printing of information to a file which can be used to create a .det
671     // file read in by the routine CreateGeometry(). If set to 0 or any other
672     // value except 1, the default behavior, then no such file is created nor
673     // it the extra variables and the like used in the printing allocated.
674     // Inputs:
675     //    none.
676     // Outputs:
677     //    none.
678     // Return:
679     //    none.
680     ////////////////////////////////////////////////////////////////////////
681     Int_t         copy, id;
682     TLorentzVector position, momentum;
683     static TLorentzVector position0;
684     static Int_t stat0=0;
685     if((id=gMC->CurrentVolID(copy) == fIDMother)&&
686        (gMC->IsTrackEntering()||gMC->IsTrackExiting())){
687         copy = fTrackReferences->GetEntriesFast();
688         TClonesArray &lTR = *fTrackReferences;
689         // Fill TrackReference structure with this new TrackReference.
690         new(lTR[copy]) AliTrackReference(gAlice->CurrentTrack(),gMC);
691     } // if Outer ITS mother Volume
692     if(!(this->IsActive())){
693         return;
694     } // end if !Active volume.
695     Int_t   vol[5];
696     TClonesArray &lhits = *fHits;
697     //
698     // Track status
699     vol[3] = 0;
700     vol[4] = 0;
701     if(gMC->IsTrackInside())      vol[3] +=  1;
702     if(gMC->IsTrackEntering())    vol[3] +=  2;
703     if(gMC->IsTrackExiting())     vol[3] +=  4;
704     if(gMC->IsTrackOut())         vol[3] +=  8;
705     if(gMC->IsTrackDisappeared()) vol[3] += 16;
706     if(gMC->IsTrackStop())        vol[3] += 32;
707     if(gMC->IsTrackAlive())       vol[3] += 64;
708     //
709     // Fill hit structure.
710     if(!(gMC->TrackCharge())) return;
711     id = gMC->CurrentVolID(copy);
712     if(id==fIdSens[0]){
713         vol[0] = vol[1] = 1; // Layer, ladder
714         id = gMC->CurrentVolOffID(2,copy);
715         //detector copy in the ladder = 1<->4  (ITS1 < I101 < I103 < I10A)
716         vol[2] = copy; // detector
717     } else if(id == fIdSens[1]){
718         vol[0] = 1; // layer
719         vol[1] = 2; // ladder
720         id = gMC->CurrentVolOffID(2,copy);
721         //detector copy in the ladder = 1<->4  (ITS2 < I1D1 < I1D3 < I20A)
722         vol[2] = copy;  // detector
723     } else return; // end if
724     //
725     gMC->TrackPosition(position);
726     gMC->TrackMomentum(momentum);
727     vol[4] = stat0;
728     if(gMC->IsTrackEntering()){
729         position0 = position;
730         stat0 = vol[3];
731     } // end if IsEntering
732     // Fill hit structure with this new hit only for non-entrerance hits.
733     else new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,
734                                         gMC->Edep(),gMC->TrackTime(),position,
735                                         position0,momentum);
736     //
737     position0 = position;
738     stat0 = vol[3];
739
740     return;
741 }
742