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5e375bb4 | 1 | #include "AliITSUClusterPix.h" |
2 | #include "AliITSUGeomTGeo.h" | |
3 | #include "AliLog.h" | |
4 | #include <TGeoMatrix.h> | |
5 | #include <TMath.h> | |
6 | using namespace TMath; | |
7 | ||
8 | ClassImp(AliITSUClusterPix) | |
9 | ||
10 | AliITSUGeomTGeo* AliITSUClusterPix::fgGeom = 0; | |
11 | UInt_t AliITSUClusterPix::fgMode = 0; | |
12 | ||
13 | //_____________________________________________________ | |
14 | AliITSUClusterPix::AliITSUClusterPix() | |
15 | : fNxNz(0) | |
16 | { | |
17 | // default constructor | |
18 | } | |
19 | ||
20 | //_____________________________________________________ | |
21 | AliITSUClusterPix::~AliITSUClusterPix() | |
22 | { | |
23 | // default destructor | |
24 | } | |
25 | ||
26 | //_____________________________________________________ | |
27 | AliITSUClusterPix::AliITSUClusterPix(const AliITSUClusterPix& cluster) | |
28 | :AliCluster(cluster) | |
29 | ,fNxNz(cluster.fNxNz) | |
30 | { | |
31 | // copy constructor | |
32 | } | |
33 | ||
34 | //______________________________________________________________________________ | |
35 | AliITSUClusterPix& AliITSUClusterPix::operator=(const AliITSUClusterPix& cluster) | |
36 | { | |
37 | // = op | |
38 | if(&cluster == this) return *this; | |
39 | fNxNz = cluster.fNxNz; | |
40 | TObject::operator=(cluster); | |
41 | AliCluster::operator=(cluster); | |
42 | return *this; | |
43 | } | |
44 | ||
45 | //______________________________________________________________________________ | |
46 | const TGeoHMatrix* AliITSUClusterPix::GetTracking2LocalMatrix() const | |
47 | { | |
48 | // get tracking to local matrix (sensor!!!) | |
49 | return (TGeoHMatrix*)fgGeom->GetMatrixT2L(GetVolumeId()); | |
50 | } | |
51 | ||
52 | //______________________________________________________________________________ | |
53 | TGeoHMatrix* AliITSUClusterPix::GetMatrix(Bool_t ) const | |
54 | { | |
55 | // get module matrix (sensor!) | |
56 | return (TGeoHMatrix*)fgGeom->GetMatrixSens(GetVolumeId()); | |
57 | } | |
58 | ||
59 | //______________________________________________________________________________ | |
60 | void AliITSUClusterPix::Print(Option_t* /*option*/) const | |
61 | { | |
62 | // Print cluster information. | |
63 | printf("Cluster of module %5d, <nx>=%3d <nz>=%3d |Err^2:%.3e %.3e %+.3e |",GetVolumeId(),GetNx(),GetNz(), | |
64 | GetSigmaY2(),GetSigmaZ2(),GetSigmaYZ()); | |
65 | printf("XYZ: %+.4e %+.4e %+.4e in frame ",GetX(),GetY(),GetZ()); | |
66 | if (IsFrameLoc()) printf("LOC"); | |
67 | else if (IsFrameGlo()) printf("GLO"); | |
68 | else if (IsFrameTrk()) printf("TRK"); | |
69 | if (!IsFrameGlo() && fgGeom) { | |
70 | Float_t g[3]; | |
71 | GetGlobalXYZ(g); | |
72 | printf(" (%+.4e %+.4e %+.4e in GLO)",g[0],g[1],g[2]); | |
73 | } | |
74 | printf("\n"); | |
75 | // | |
76 | } | |
77 | ||
78 | //______________________________________________________________________________ | |
79 | Bool_t AliITSUClusterPix::GetGlobalXYZ(Float_t xyz[3]) const | |
80 | { | |
81 | // Get the global coordinates of the cluster | |
82 | // All the needed information is taken only | |
83 | // from TGeo. | |
84 | if (IsFrameGlo()) { | |
85 | xyz[0] = GetX(); | |
86 | xyz[1] = GetY(); | |
87 | xyz[2] = GetZ(); | |
88 | } | |
89 | // | |
90 | Double_t lxyz[3] = {0, 0, 0}; | |
91 | if (IsFrameTrk()) { | |
92 | const TGeoHMatrix *mt = GetTracking2LocalMatrix(); | |
93 | if (!mt) return kFALSE; | |
94 | Double_t txyz[3] = {GetX(), GetY(), GetZ()}; | |
95 | mt->LocalToMaster(txyz,lxyz); | |
96 | } | |
97 | else { | |
98 | lxyz[0] = GetX(); lxyz[1] = GetY(); lxyz[2] = GetZ(); | |
99 | } | |
100 | // | |
101 | TGeoHMatrix *ml = GetMatrix(); | |
102 | if (!ml) return kFALSE; | |
103 | Double_t gxyz[3] = {0, 0, 0}; | |
104 | ml->LocalToMaster(lxyz,gxyz); | |
105 | xyz[0] = gxyz[0]; xyz[1] = gxyz[1]; xyz[2] = gxyz[2]; | |
106 | return kTRUE; | |
107 | } | |
108 | ||
109 | //______________________________________________________________________________ | |
110 | Bool_t AliITSUClusterPix::GetGlobalCov(Float_t cov[6]) const | |
111 | { | |
112 | // Get the global covariance matrix of the cluster coordinates | |
113 | // All the needed information is taken only | |
114 | // from TGeo. | |
115 | // Note: regardless on in which frame the coordinates are, the errors are always in tracking frame | |
116 | // | |
117 | return AliCluster::GetGlobalCov(cov); | |
118 | } | |
119 | ||
120 | //______________________________________________________________________________ | |
121 | Bool_t AliITSUClusterPix::GetXRefPlane(Float_t &xref) const | |
122 | { | |
123 | // Get the distance between the origin and the ref.plane. | |
124 | // All the needed information is taken only from TGeo. | |
125 | return AliCluster::GetXRefPlane(xref); | |
126 | } | |
127 | ||
128 | //______________________________________________________________________________ | |
129 | void AliITSUClusterPix::GoToFrameGlo() | |
130 | { | |
131 | // convert to global frame | |
132 | if (IsFrameGlo()) return; | |
133 | double loc[3],glo[3]; | |
134 | // | |
135 | if (IsFrameTrk()) { | |
136 | double curr[3]={GetX(),GetY(),GetZ()}; | |
137 | GetTracking2LocalMatrix()->LocalToMaster(curr,loc); | |
138 | ResetBit(kFrameTrk); | |
139 | } | |
140 | else { | |
141 | loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ(); | |
142 | ResetBit(kFrameLoc); | |
143 | } | |
144 | GetMatrix()->LocalToMaster(loc,glo); | |
145 | SetX(glo[0]); | |
146 | SetY(glo[1]); | |
147 | SetZ(glo[2]); | |
148 | SetBit(kFrameGlo); | |
149 | // | |
150 | } | |
151 | ||
152 | //______________________________________________________________________________ | |
153 | void AliITSUClusterPix::GoToFrameLoc() | |
154 | { | |
155 | // convert to local frame | |
156 | if (IsFrameLoc()) return; | |
157 | // | |
158 | double loc[3],glo[3]; | |
159 | if (IsFrameTrk()) { | |
160 | double curr[3]={GetX(),GetY(),GetZ()}; | |
161 | GetTracking2LocalMatrix()->LocalToMaster(curr,loc); | |
162 | ResetBit(kFrameTrk); | |
163 | } | |
164 | else { | |
165 | glo[0] = GetX(); glo[1] = GetY(); glo[2] = GetZ(); | |
166 | GetMatrix()->MasterToLocal(glo,loc); | |
167 | ResetBit(kFrameLoc); | |
168 | } | |
169 | SetBit(kFrameLoc); | |
170 | SetX(loc[0]); | |
171 | SetY(loc[1]); | |
172 | SetZ(loc[2]); | |
173 | // | |
174 | } | |
175 | ||
176 | //______________________________________________________________________________ | |
177 | void AliITSUClusterPix::GetLocalXYZ(Float_t xyz[3]) const | |
178 | { | |
179 | // get local coordinates | |
180 | if (IsFrameLoc()) { | |
181 | xyz[0] = GetX(); xyz[1] = 0; xyz[2] = GetZ(); | |
182 | return; | |
183 | } | |
184 | double loc[3],glo[3]; | |
185 | if (IsFrameTrk()) { | |
186 | double curr[3]={GetX(),GetY(),GetZ()}; | |
187 | GetTracking2LocalMatrix()->LocalToMaster(curr,loc); | |
188 | } | |
189 | else { | |
190 | glo[0] = GetX(); glo[1] = GetY(); glo[2] = GetZ(); | |
191 | GetMatrix()->MasterToLocal(glo,loc); | |
192 | } | |
193 | for (int i=3;i--;) xyz[i] = loc[i]; | |
194 | // | |
195 | } | |
196 | ||
197 | //______________________________________________________________________________ | |
198 | void AliITSUClusterPix::GoToFrameTrk() | |
199 | { | |
200 | // convert to tracking frame | |
201 | if (IsFrameTrk()) return; | |
202 | // | |
203 | double loc[3],trk[3]; | |
204 | if (IsFrameGlo()) { | |
205 | double glo[3]={GetX(),GetY(),GetZ()}; | |
206 | GetMatrix()->MasterToLocal(glo,loc); | |
207 | ResetBit(kFrameGlo); | |
208 | } | |
209 | else { | |
210 | loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ(); | |
211 | ResetBit(kFrameLoc); | |
212 | } | |
213 | // now in local frame | |
214 | GetTracking2LocalMatrix()->MasterToLocal(loc,trk); | |
215 | SetBit(kFrameTrk); | |
216 | SetX(trk[0]); | |
217 | SetY(trk[1]); | |
218 | SetZ(trk[2]); | |
219 | // | |
220 | } | |
221 | ||
222 | //______________________________________________________________________________ | |
223 | void AliITSUClusterPix::GetTrackingXYZ(Float_t xyz[3]) const | |
224 | { | |
225 | // convert to tracking frame | |
226 | if (IsFrameTrk()) { | |
227 | xyz[0] = GetX(); xyz[1] = GetY(); xyz[2] = GetZ(); | |
228 | return; | |
229 | } | |
230 | // | |
231 | double loc[3],trk[3]; | |
232 | if (IsFrameGlo()) { | |
233 | double glo[3]={GetX(),GetY(),GetZ()}; | |
234 | GetMatrix()->MasterToLocal(glo,loc); | |
235 | } | |
236 | else { | |
237 | loc[0] = GetX(); loc[1] = GetY(); loc[2] = GetZ(); | |
238 | } | |
239 | // now in local frame | |
240 | GetTracking2LocalMatrix()->MasterToLocal(loc,trk); | |
241 | for (int i=3;i--;) xyz[i] = loc[i]; | |
242 | // | |
243 | } | |
244 | ||
245 | //______________________________________________________________________________ | |
246 | Int_t AliITSUClusterPix::Compare(const TObject* obj) const | |
247 | { | |
248 | // compare clusters accodring to specific mode | |
249 | const AliITSUClusterPix* px = dynamic_cast<const AliITSUClusterPix*>(obj); | |
250 | float xyz[3],xyz1[3]; | |
251 | if (fgMode & kSortLoc) { // sorting in local frame | |
252 | GetLocalXYZ(xyz); | |
253 | px->GetLocalXYZ(xyz1); | |
254 | if (xyz[2]<xyz1[2]) return -1; // sort in Z then in X | |
255 | if (xyz[2]>xyz1[2]) return 1; | |
256 | if (xyz[0]<xyz1[0]) return -1; | |
257 | if (xyz[0]>xyz1[0]) return 1; | |
258 | return 0; | |
259 | } | |
260 | if (fgMode & kSortTrk) { // sorting in tracking frame | |
261 | GetTrackingXYZ(xyz); | |
262 | px->GetTrackingXYZ(xyz1); | |
263 | if (xyz[2]<xyz1[2]) return -1; // sort in Z then in Y | |
264 | if (xyz[2]>xyz1[2]) return 1; | |
265 | if (xyz[1]<xyz1[1]) return -1; | |
266 | if (xyz[1]>xyz1[1]) return 1; | |
267 | return 0; | |
268 | } | |
269 | AliFatal(Form("Unknown modr for sorting: %d",fgMode)); | |
270 | return 0; | |
271 | } | |
272 | ||
273 | //______________________________________________________________________________ | |
274 | Bool_t AliITSUClusterPix::IsEqual(const TObject* obj) const | |
275 | { | |
276 | // compare clusters accodring to specific mode | |
277 | const AliITSUClusterPix* px = dynamic_cast<const AliITSUClusterPix*>(obj); | |
278 | const Float_t kTol = 1e-5; | |
279 | float xyz[3],xyz1[3]; | |
280 | if (fgMode & kSortLoc) { // sorting in local frame | |
281 | GetLocalXYZ(xyz); | |
282 | px->GetLocalXYZ(xyz1); | |
283 | if (Abs(xyz[2]-xyz1[2])<kTol && Abs(xyz[0]-xyz1[0])<kTol) return kTRUE; | |
284 | return kFALSE; | |
285 | } | |
286 | if (fgMode & kSortTrk) { // sorting in tracking frame | |
287 | GetTrackingXYZ(xyz); | |
288 | px->GetTrackingXYZ(xyz1); | |
289 | if (Abs(xyz[2]-xyz1[2])<kTol && Abs(xyz[1]-xyz1[1])<kTol) return kTRUE; | |
290 | return kFALSE; | |
291 | } | |
292 | AliFatal(Form("Unknown modr for sorting: %d",fgMode)); | |
293 | return kFALSE; | |
294 | } |