/[PAMELA software]/PamVMC/ac/src/PamVMCAcDig.cxx
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Contents of /PamVMC/ac/src/PamVMCAcDig.cxx

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Revision 1.1 - (show annotations) (download)
Thu Feb 19 16:00:12 2009 UTC (15 years, 9 months ago) by nikolas
Branch: MAIN
Cleaning files before release

1 #include "PamVMCAcDig.h"
2 #include <TF1.h>
3 #include <TMath.h>
4
5 using TMath::Power;
6 using TMath::Sqrt;
7
8 ClassImp(PamVMCAcDig)
9
10 void PamVMCAcDig::DigitizeAC(Int_t EventNo){
11
12 // cout<<"Digitizing AC... "<<endl;
13
14 fDEBUG = kTRUE;
15
16 for (Int_t k= 0;k<5;k++) fSumEcat[k]=fSumEcas[k]=fSumEcard[k]=0.;
17 //Zeroing arrays holds energy releases in AC
18
19 UShort_t DataAC[128];
20 for(Int_t i=0; i<128; i++) DataAC[i]=0;
21
22
23 // created: J. Conrad, KTH
24 // modified: S. Orsi, INFN Roma2
25 // DataAC[0-63]: main AC board
26 // DataAC[64-127]: extra AC board (identical to main board, for now)
27
28 DataAC[0] = 0xACAC;
29 DataAC[64]= 0xACAC;
30 DataAC[1] = 0xAC11;
31 DataAC[65] = 0xAC22;
32
33 // the third word is a status word
34 //(dummy: "no errors are present in the AC boards")
35 DataAC[2] = 0xFFFF; //FFEF?
36 DataAC[66] = 0xFFFF;
37
38 const UInt_t nReg = 6;
39
40 // FPGA Registers (dummy)
41 for (UInt_t i=0; i<=nReg; i++){
42 DataAC[i+4] = 0xFFFF;
43 DataAC[i+68] = 0xFFFF;
44 }
45
46 // the last word is a CRC
47 // Dummy for the time being, but it might need
48 // to be calculated in the end
49 DataAC[63] = 0xABCD;
50 DataAC[127] = 0xABCD;
51
52 // shift registers (moved to the end of the routine)
53
54 Int_t evntLSB=(UShort_t)EventNo;
55 Int_t evntMSB=EventNo >> 16;
56
57 // singles counters are dummy
58 for (UInt_t i=0; i<=15; i++){
59 DataAC[i+26] = evntLSB;
60 DataAC[i+90] = evntLSB;
61 };
62
63 for (UInt_t i=0; i<=7; i++){
64 DataAC[i+42] = evntLSB;
65 DataAC[i+106] = evntLSB;
66 };
67
68
69 // increments for every trigger might be needed at some point.
70 // dummy for now
71 DataAC[50] = 0x0000;
72 DataAC[114] = 0x0000;
73
74 // dummy FPGA clock (increment by 1 at each event)
75 if (EventNo<=0xFFFF) {
76 DataAC[51] = 0x0000;
77 DataAC[52] = EventNo;
78 DataAC[115] = 0x0000;
79 DataAC[116] = EventNo;
80 } else {
81 DataAC[51] = evntMSB;
82 DataAC[52] = evntLSB;
83 DataAC[115] = DataAC[51];
84 DataAC[116] = DataAC[52];
85 }
86
87 // dummy temperatures
88 DataAC[53] = 0x0000;
89 DataAC[54] = 0x0000;
90 DataAC[117] = 0x0000;
91 DataAC[118] = 0x0000;
92
93
94 // dummy DAC thresholds
95 for (UInt_t i=0; i<=7; i++){
96 DataAC[i+55] = 0x1A13;
97 DataAC[i+119] = 0x1A13;
98 }
99
100 FillErel();
101
102 // In this simpliefied approach we will assume that once
103 // a particle releases > 0.5 mip in one of the 12 AC detectors it
104 // will fire. We will furthermore assume that both cards read out
105 // identical data.
106
107 // If you develop your digitization algorithm, you should start by
108 // identifying the information present in level2 (post-darth-vader)
109 // data.
110
111 // channel mapping Hit Map
112 // 1 CARD4 0 LSB
113 // 2 CAT2 0
114 // 3 CAS1 0
115 // 4 NC 0
116 // 5 CARD2 0
117 // 6 CAT4 1
118 // 7 CAS4 0
119 // 8 NC 0
120 // 9 CARD3 0
121 // 10 CAT3 0
122 // 11 CAS3 0
123 // 12 NC 0
124 // 13 CARD1 0
125 // 14 CAT1 0
126 // 15 CAS2 0
127 // 16 NC 0 MSB
128
129 // In the first version only the hit-map is filled, not the SR.
130
131 // Threshold: 0.8 MeV.
132
133 const Float_t thr = 8e-4; //(GeV)
134
135 //Important Note: In simulation model we have
136 //CAT as solid plasic plate. So, I set values:
137
138 fSumEcat[1]=fSumEcat[2]=fSumEcat[3]=fSumEcat[0];
139
140 DataAC[3] = 0x0000;
141
142 if (fSumEcas[0] > thr) DataAC[3] = 0x0004;
143 if (fSumEcas[1] > thr) DataAC[3] += 0x4000;
144 if (fSumEcas[2] > thr) DataAC[3] += 0x0400;
145 if (fSumEcas[3] > thr) DataAC[3] += 0x0040;
146
147 if (fSumEcat[0] > thr) DataAC[3] += 0x2000; //We have solid CAT scintillator
148 if (fSumEcat[1] > thr) DataAC[3] += 0x0002; //See note above
149 if (fSumEcat[2] > thr) DataAC[3] += 0x0200; //
150 if (fSumEcat[3] > thr) DataAC[3] += 0x0020; //
151
152 if (fSumEcard[0] > thr) DataAC[3] += 0x1000; //C1D1(1)
153 if (fSumEcard[1] > thr) DataAC[3] += 0x0010; //C1D1(2)
154 if (fSumEcard[2] > thr) DataAC[3] += 0x0100; //C2D1(1)
155 if (fSumEcard[3] > thr) DataAC[3] += 0x0001; //C2D1(2)
156
157 DataAC[67] = DataAC[3];
158
159 // shift registers
160 // the central bin is equal to the hitmap, all
161 // other bins in the shift register are 0
162 for (UInt_t i=0; i<=15; i++){
163 DataAC[i+11] = 0x0000;
164 DataAC[i+75] = 0x0000;
165 }
166 DataAC[18] = DataAC[3];
167 DataAC[82] = DataAC[3];
168
169 //++++++ WRITE EVERYTHING TO DIGITIZER'S BUFFER +++//
170 fData.clear(); //clearing data buffer
171
172 for(Int_t i= 0; i<128; i++) fData.push_back(DataAC[i]);
173
174
175 if (fDEBUG){
176 cout<<"====== AC hit info ======"<<endl;
177 cout<<"CAT: Erel="<<fSumEcat[0]*1.e6<<" (keV)"<<endl
178 <<"CARD1: Erel="<<fSumEcard[0]*1.e6<<" (keV)"<<endl
179 <<"CARD2: Erel="<<fSumEcard[1]*1.e6<<" (keV)"<<endl
180 <<"CARD3: Erel="<<fSumEcard[2]*1.e6<<" (keV)"<<endl
181 <<"CARD4: Erel="<<fSumEcard[3]*1.e6<<" (keV)"<<endl
182 <<"CAS1: Erel="<<fSumEcas[0]*1.e6<<" (keV)"<<endl
183 <<"CAS2: Erel="<<fSumEcas[1]*1.e6<<" (keV)"<<endl
184 <<"CAS3: Erel="<<fSumEcas[2]*1.e6<<" (keV)"<<endl
185 <<"CAS4: Erel="<<fSumEcas[3]*1.e6<<" (keV)"<<endl;
186 cout<<"========================="<<endl;
187
188 }
189 }
190
191 void PamVMCAcDig::FillErel(){
192 /*
193 Detector KEY Number of paddles
194
195 CAT TOP1 1 (solid volume with id=1)
196 CAS SID1 4 (1-4)
197 CARD C1D1 & C2D1 2 & 2 (1-2)
198 */
199 TClonesArray* hc=0;
200 const char* keyac[4] = {"TOP1","SID1","C1D1","C2D1"};
201 for(Int_t i=0; i<4; i++){
202 hc = (TClonesArray*)fhitscolmap.GetValue(keyac[i]);
203 if(hc) AddErel(hc, i);
204 hc = 0;
205 }
206 }
207
208 void PamVMCAcDig::AddErel(TClonesArray* HitColl, Int_t detcode){
209
210
211 // energy dependence on position (see file AcFitOutputDistancePmt.C by S.Orsi)
212 // based on J.Lundquist's calculations (PhD thesis, page 94)
213 // function: [0]+[1]*atan([2]/(x+1)), where the 3 parameters are:
214 // 8.25470e-01 +- 1.79489e-02
215 // 6.41609e-01 +- 2.65846e-02
216 // 9.81177e+00 +- 1.21284e+00
217 // hp: 1 minimum ionising particle at 35cm from the PMT releases 1mip
218
219 // TF1 *attenAC = new TF1("fAttAC",".825+.64*atan(9.8/x)",0.,45.);
220
221 const Float_t posCasPmt[4][3]={{28.308, -17.168, 63.644},// 1 - CAS CPU: x,y,z
222 {18.893, 24.913, 63.644},// 2 - CAS DCDC
223 {-24.307, 17.162, 63.644},// 3 - CAS VME
224 {-17.765, -28.300, 63.644}};// 4 - CAS IPM
225
226 Float_t dx,dy,dz,dAC; // distance from PMT
227 Int_t hitsNo=HitColl->GetEntriesFast();
228 PamVMCDetectorHit * hit = 0;
229
230 if (hitsNo>50) cout<<"WARNING: PamVMCAcDig::AddErel... "
231 <<"Number of hits in AC is out of range!!!"<<endl;
232
233 switch(detcode){
234 case 0: //CAT
235 for(Int_t k=0; k<hitsNo; k++){
236 hit = (PamVMCDetectorHit*)HitColl->At(k);
237 fSumEcat[(hit->GetPOS())-1] += hit->GetEREL();
238 }
239 break;
240
241 case 1: //CAS
242 for(Int_t k=0; k<hitsNo; k++){
243 hit = (PamVMCDetectorHit*)HitColl->At(k);
244 dx = (hit->GetXIN()+hit->GetXOUT())/2.-posCasPmt[hit->GetPOS()-1][0];
245 dy = (hit->GetYIN()+hit->GetYOUT())/2.-posCasPmt[hit->GetPOS()-1][1];
246 dz = (hit->GetZIN()+hit->GetZOUT())/2.-posCasPmt[hit->GetPOS()-1][2];
247 dAC = Sqrt(dx*dx + dy*dy + dz*dz);
248 //fSumEcas[(hit->GetPOS())-1] += (hit->GetEREL())*attenAC->Eval(dAC);
249 if ((hit->GetPOS()==3)) fSumEcas[3] += (hit->GetEREL())*fattenAC->Eval(dAC);
250 if ((hit->GetPOS()==4)) fSumEcas[1] += (hit->GetEREL())*fattenAC->Eval(dAC);
251 if ((hit->GetPOS()==2)) fSumEcas[0] += (hit->GetEREL())*fattenAC->Eval(dAC);
252 if ((hit->GetPOS()==1)) fSumEcas[2] += (hit->GetEREL())*fattenAC->Eval(dAC);
253 }
254 break;
255
256 case 2: //C1D1
257 for(Int_t k=0; k<hitsNo; k++){
258 hit = (PamVMCDetectorHit*)HitColl->At(k);
259 if ((hit->GetPOS()==1)) fSumEcard[3] += hit->GetEREL();
260 if ((hit->GetPOS()==2)) fSumEcard[0] += hit->GetEREL();
261 //fSumEcard[(hit->GetPOS())-1] += hit->GetEREL();
262 }
263 break;
264 case 3: //C2D1
265 for(Int_t k=0; k<hitsNo; k++){
266 hit = (PamVMCDetectorHit*)HitColl->At(k);
267 if ((hit->GetPOS()==1)) fSumEcard[2] += hit->GetEREL();
268 if ((hit->GetPOS()==2)) fSumEcard[1] += hit->GetEREL();
269 //fSumEcard[(hit->GetPOS())+1] += hit->GetEREL();
270 }
271 break;
272
273 default:
274 break;
275 }
276
277
278
279
280 }

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