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1 | // $Header$ |
2 | |
3 | //__________________________________________________________________________ |
4 | // ITSDigitsInfo |
5 | // |
6 | // |
7 | |
8 | #include <Reve/TTreeTools.h> |
9 | |
10 | #include "ITSDigitsInfo.h" |
11 | //#include <AliITSresponseSDD.h> |
12 | #include <AliITSCalibrationSDD.h> |
13 | #include <AliITSdigit.h> |
14 | #include <AliITSdigitSPD.h> |
15 | |
16 | using namespace Reve; |
17 | using namespace Alieve; |
18 | using namespace std; |
19 | |
20 | ClassImp(ITSDigitsInfo) |
21 | |
22 | /**************************************************************************/ |
23 | |
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24 | ITSDigitsInfo::ITSDigitsInfo() : |
25 | TObject(), |
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26 | ReferenceCount(), |
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27 | fSPDmap(), fSDDmap(), fSSDmap(), |
28 | fTree (0), |
29 | fGeom (0), |
30 | fSegSPD(0), fSegSDD(0), fSegSSD(0) |
31 | {} |
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32 | |
33 | /**************************************************************************/ |
34 | |
35 | ITSDigitsInfo:: ~ITSDigitsInfo() |
36 | { |
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37 | map<Int_t, TClonesArray*>::iterator j; |
38 | for(j = fSPDmap.begin(); j != fSPDmap.end(); ++j) |
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39 | delete j->second; |
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40 | for(j = fSDDmap.begin(); j != fSDDmap.end(); ++j) |
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41 | delete j->second; |
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42 | for(j = fSSDmap.begin(); j != fSSDmap.end(); ++j) |
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43 | delete j->second; |
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44 | |
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45 | delete fSegSPD; delete fSegSDD; delete fSegSSD; |
46 | delete fGeom; |
47 | delete fTree; |
48 | } |
49 | |
50 | /**************************************************************************/ |
51 | |
52 | void ITSDigitsInfo::SetTree(TTree* tree) |
53 | { |
54 | static const Exc_t eH("ITSDigitsInfo::SetTree "); |
55 | |
56 | if(fGeom == 0) { |
57 | fGeom = new AliITSgeom(); |
58 | fGeom->ReadNewFile("$REVESYS/alice-data/ITSgeometry.det"); |
59 | if(fGeom == 0) |
60 | throw(eH + "can not load ITS geometry \n"); |
61 | } |
62 | |
63 | fTree = tree; |
64 | |
65 | SetITSSegmentation(); |
66 | |
67 | // create tables for scaling |
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68 | // lowest scale factor refers to unscaled ITS module |
69 | fSPDScaleX[0] = 1; |
70 | fSPDScaleZ[0] = 1; |
71 | fSDDScaleX[0] = 1; |
72 | fSDDScaleZ[0] = 1; |
73 | fSSDScale [0] = 1; |
74 | // spd lows resolution is in the level of 8x2 readout chips |
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75 | Int_t nx = 8; // fSegSPD->Npx()/8; // 32 |
76 | Int_t nz = 6; // fSegSPD->Npz()/2; // 128 |
77 | |
78 | fSPDScaleX[1] = Int_t(nx); |
79 | fSPDScaleZ[1] = Int_t(nz); |
80 | fSPDScaleX[2] = Int_t(nx*2); |
81 | fSPDScaleZ[2] = Int_t(nz*2); |
82 | fSPDScaleX[3] = Int_t(nx*3); |
83 | fSPDScaleZ[3] = Int_t(nz*3); |
84 | fSPDScaleX[4] = Int_t(nx*4); |
85 | fSPDScaleZ[4] = Int_t(nz*4); |
86 | |
87 | |
88 | fSDDScaleX[1] = 2; |
89 | fSDDScaleZ[1] = 2; |
90 | fSDDScaleX[2] = 8; |
91 | fSDDScaleZ[2] = 8; |
92 | fSDDScaleX[3] = 16; |
93 | fSDDScaleZ[3] = 16; |
94 | fSDDScaleX[4] = 25; |
95 | fSDDScaleZ[4] = 25; |
96 | |
97 | fSSDScale[1] = 3; |
98 | fSSDScale[2] = 9; |
99 | fSSDScale[3] = 20; |
100 | fSSDScale[4] = 30; |
101 | |
102 | |
103 | // lowest scale factor refers unscaled ITS module |
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104 | fSPDScaleX[0] = 1; |
105 | fSPDScaleZ[0] = 1; |
106 | fSDDScaleX[0] = 1; |
107 | fSDDScaleZ[0] = 1; |
108 | fSSDScale [0] = 1; |
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109 | } |
110 | |
111 | /**************************************************************************/ |
112 | |
113 | void ITSDigitsInfo::SetITSSegmentation() |
114 | { |
115 | // SPD |
116 | fSegSPD = new AliITSsegmentationSPD(fGeom); |
117 | //SPD geometry |
118 | Int_t m; |
119 | Float_t fNzSPD=160; |
120 | Float_t fZ1pitchSPD=0.0425; Float_t fZ2pitchSPD=0.0625; |
121 | Float_t fHlSPD=3.48; |
122 | |
123 | fSPDZCoord[0]=fZ1pitchSPD -fHlSPD; |
124 | for (m=1; m<fNzSPD; m++) { |
125 | Double_t dz=fZ1pitchSPD; |
126 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || |
127 | m==127 || m==128) dz=fZ2pitchSPD; |
128 | fSPDZCoord[m]=fSPDZCoord[m-1]+dz; |
129 | } |
130 | |
131 | for (m=0; m<fNzSPD; m++) { |
132 | Double_t dz=1.*fZ1pitchSPD; |
133 | if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 || |
134 | m==127 || m==128) dz=1.*fZ2pitchSPD; |
135 | fSPDZCoord[m]-=dz; |
136 | } |
137 | |
138 | // end of SPD geometry |
139 | |
140 | // SDD |
141 | // response replaced by Calibration (March 2006). |
142 | AliITSresponseSDD* resp1 = new AliITSresponseSDD(); |
143 | AliITSCalibrationSDD* cal1 = new AliITSCalibrationSDD; |
144 | cal1->SetResponse(resp1); |
145 | fSegSDD = new AliITSsegmentationSDD(fGeom, cal1); |
146 | |
147 | // SSD |
148 | fSegSSD = new AliITSsegmentationSSD(fGeom); |
149 | } |
150 | |
151 | void ITSDigitsInfo::GetSPDLocalZ(Int_t j, Float_t& z) |
152 | { |
153 | z = fSPDZCoord[j]; |
154 | } |
155 | |
156 | /**************************************************************************/ |
157 | |
158 | TClonesArray* ITSDigitsInfo::GetDigits(Int_t mod, Int_t subdet) |
159 | { |
160 | switch(subdet) { |
161 | case 0: { |
162 | TClonesArray* digitsSPD = 0; |
163 | map<Int_t, TClonesArray*>::iterator i = fSPDmap.find(mod); |
164 | if(i == fSPDmap.end()) { |
165 | fTree->SetBranchAddress("ITSDigitsSPD",&digitsSPD); |
166 | fTree->GetEntry(mod); |
167 | fSPDmap[mod] = digitsSPD; |
168 | return digitsSPD; |
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169 | } else { |
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170 | return i->second; |
171 | } |
172 | break; |
173 | } |
174 | case 1: { |
175 | TClonesArray* digitsSDD = 0; |
176 | map<Int_t, TClonesArray*>::iterator i = fSDDmap.find(mod); |
177 | if(i == fSDDmap.end()) { |
178 | fTree->SetBranchAddress("ITSDigitsSDD",&digitsSDD); |
179 | fTree->GetEntry(mod); |
180 | fSDDmap[mod] = digitsSDD; |
181 | return digitsSDD; |
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182 | } else { |
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183 | return i->second; |
184 | } |
185 | break; |
186 | } |
187 | case 2: { |
188 | TClonesArray* digitsSSD = 0; |
189 | map<Int_t, TClonesArray*>::iterator i = fSSDmap.find(mod); |
190 | if(i == fSSDmap.end()) { |
191 | fTree->SetBranchAddress("ITSDigitsSSD",&digitsSSD); |
192 | fTree->GetEntry(mod); |
193 | fSSDmap[mod] = digitsSSD; |
194 | return digitsSSD; |
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195 | } else { |
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196 | return i->second; |
197 | } |
198 | break; |
199 | } |
200 | default: |
201 | return 0; |
202 | } //end switch |
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203 | return 0; |
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204 | } |
205 | |
206 | |
207 | /**************************************************************************/ |
208 | |
209 | void ITSDigitsInfo::Print(Option_t* ) const |
210 | { |
211 | printf("*********************************************************\n"); |
212 | printf("SPD module dimension (%f,%f) \n",fSegSPD->Dx()*0.0001, fSegSPD->Dz()*0.0001); |
213 | printf("SPD first,last module:: %d,%d \n", fGeom->GetStartSPD(),fGeom->GetLastSPD() ); |
214 | printf("SPD num cells per module (x::%d,z::%d)\n",fSegSPD->Npx(), fSegSPD->Npz()); |
215 | Int_t iz=0,ix = 0; |
216 | printf("SPD dimesion of (%d,%d) in pixel(%f,%f) \n", ix,iz, fSegSPD->Dpx(ix), fSegSPD->Dpz(iz)); |
217 | iz = 32; |
218 | printf("SPD dimesion of pixel (%d,%d) are (%f,%f) \n", ix,iz, fSegSPD->Dpx(ix)*0.001, fSegSPD->Dpz(iz)*0.001); |
219 | |
220 | printf("*********************************************************\n"); |
221 | printf("SDD module dimension (%f,%f) \n",fSegSDD->Dx()*0.0001, fSegSDD->Dz()*0.0001); |
222 | printf("SDD first,last module:: %d,%d \n", fGeom->GetStartSDD(),fGeom->GetLastSDD() ); |
223 | printf("SDD num cells per module (x::%d,z::%d)\n",fSegSDD->Npx(), fSegSDD->Npz()); |
224 | printf("SDD dimesion of pixel are (%f,%f) \n", fSegSDD->Dpx(1)*0.001,fSegSDD->Dpz(1)*0.001); |
225 | printf("*********************************************************\n"); |
226 | printf("SSD module dimension (%f,%f) \n",fSegSSD->Dx()*0.0001, fSegSSD->Dz()*0.0001); |
227 | printf("SSD first,last module:: %d,%d \n", fGeom->GetStartSSD(),fGeom->GetLastSSD() ); |
228 | printf("SSD strips in module %d \n",fSegSSD->Npx()); |
229 | printf("SSD strip sizes are (%f,%f) \n", fSegSSD->Dpx(1),fSegSSD->Dpz(1)); |
230 | fSegSSD->SetLayer(5); Float_t ap,an; fSegSSD->Angles(ap,an); |
231 | printf("SSD layer 5 stereoP %f stereoN %f angle \n",ap,an); |
232 | fSegSSD->SetLayer(6); fSegSSD->Angles(ap,an); |
233 | printf("SSD layer 6 stereoP %f stereoN %f angle \n",ap,an); |
234 | } |
235 | |
236 | |
237 | /* |
238 | printf("num cells %d,%d scaled %d,%d \n",fSegSPD->Npz(),fSegSPD->Npx(),Nz,Nx); |
239 | printf("%d digits in ITSModule %d\n",ne, module); |
240 | Float_t zn = i*(3.48*2)/Nz - 3.48 ; |
241 | Float_t xo = -fSegSPD->Dx()*0.00005 + fSegSPD->Dpx(0)*od->GetCoord2()*0.0001; |
242 | Float_t xn = -fSegSPD->Dx()*0.00005 + j*0.0001*fSegSPD->Dx()/Nx; |
243 | Float_t dpx = 0.0001*fSegSPD->Dx()/Nx; |
244 | Float_t dpz = 3.48*2/Nz; |
245 | printf("Z::original (%3f) scaled (%3f, %3f) \n", zo, zn-dpz/2, zn+dpz/2); |
246 | printf("X::original (%3f) scaled (%3f, %3f) \n", xo, xn-dpx/2, xn+dpx/2); |
247 | printf("%d,%d maped to %d,%d \n", od->GetCoord1(), od->GetCoord2(), i,j ); |
248 | */ |