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98937d93 | 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 | // Class AliTrackPointArray // | |
18 | // This class contains the ESD track space-points which are used during // | |
19 | // the alignment procedures. Each space-point consist of 3 coordinates // | |
20 | // (and their errors) and the index of the sub-detector which contains // | |
21 | // the space-point. // | |
22 | // cvetan.cheshkov@cern.ch 3/11/2005 // | |
23 | ////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | #include "AliTrackPointArray.h" | |
26 | ||
27 | ClassImp(AliTrackPointArray) | |
28 | ||
29 | //______________________________________________________________________________ | |
30 | AliTrackPointArray::AliTrackPointArray() | |
31 | { | |
32 | fNPoints = fSize = 0; | |
33 | fX = fY = fZ = 0; | |
34 | fVolumeID = 0; | |
35 | fCov = 0; | |
36 | } | |
37 | ||
38 | //______________________________________________________________________________ | |
39 | AliTrackPointArray::AliTrackPointArray(Int_t npoints): | |
40 | fNPoints(npoints) | |
41 | { | |
42 | // Constructor | |
43 | // | |
44 | fSize = 6*npoints; | |
45 | fX = new Float_t[npoints]; | |
46 | fY = new Float_t[npoints]; | |
47 | fZ = new Float_t[npoints]; | |
48 | fVolumeID = new UShort_t[npoints]; | |
49 | fCov = new Float_t[fSize]; | |
50 | } | |
51 | ||
52 | //______________________________________________________________________________ | |
53 | AliTrackPointArray::AliTrackPointArray(const AliTrackPointArray &array): | |
54 | TObject(array) | |
55 | { | |
56 | // Copy constructor | |
57 | // | |
58 | fNPoints = array.fNPoints; | |
59 | fSize = array.fSize; | |
60 | fX = new Float_t[fNPoints]; | |
61 | fY = new Float_t[fNPoints]; | |
62 | fZ = new Float_t[fNPoints]; | |
63 | fVolumeID = new UShort_t[fNPoints]; | |
64 | fCov = new Float_t[fSize]; | |
65 | memcpy(fX,array.fX,fNPoints*sizeof(Float_t)); | |
66 | memcpy(fY,array.fY,fNPoints*sizeof(Float_t)); | |
67 | memcpy(fZ,array.fZ,fNPoints*sizeof(Float_t)); | |
68 | memcpy(fVolumeID,array.fVolumeID,fNPoints*sizeof(UShort_t)); | |
69 | memcpy(fCov,array.fCov,fSize*sizeof(Float_t)); | |
70 | } | |
71 | ||
72 | //_____________________________________________________________________________ | |
73 | AliTrackPointArray &AliTrackPointArray::operator =(const AliTrackPointArray& array) | |
74 | { | |
75 | // assignment operator | |
76 | // | |
77 | if(this==&array) return *this; | |
78 | ((TObject *)this)->operator=(array); | |
79 | ||
80 | fNPoints = array.fNPoints; | |
81 | fSize = array.fSize; | |
82 | fX = new Float_t[fNPoints]; | |
83 | fY = new Float_t[fNPoints]; | |
84 | fZ = new Float_t[fNPoints]; | |
85 | fVolumeID = new UShort_t[fNPoints]; | |
86 | fCov = new Float_t[fSize]; | |
87 | memcpy(fX,array.fX,fNPoints*sizeof(Float_t)); | |
88 | memcpy(fY,array.fY,fNPoints*sizeof(Float_t)); | |
89 | memcpy(fZ,array.fZ,fNPoints*sizeof(Float_t)); | |
90 | memcpy(fVolumeID,array.fVolumeID,fNPoints*sizeof(UShort_t)); | |
91 | memcpy(fCov,array.fCov,fSize*sizeof(Float_t)); | |
92 | ||
93 | return *this; | |
94 | } | |
95 | ||
96 | //______________________________________________________________________________ | |
97 | AliTrackPointArray::~AliTrackPointArray() | |
98 | { | |
99 | // Destructor | |
100 | // | |
101 | delete [] fX; | |
102 | delete [] fY; | |
103 | delete [] fZ; | |
104 | delete [] fVolumeID; | |
105 | delete [] fCov; | |
106 | } | |
107 | ||
108 | ||
109 | //______________________________________________________________________________ | |
110 | Bool_t AliTrackPointArray::AddPoint(Int_t i, const AliTrackPoint *p) | |
111 | { | |
112 | // Add a point to the array at position i | |
113 | // | |
114 | if (i >= fNPoints) return kFALSE; | |
115 | fX[i] = p->GetX(); | |
116 | fY[i] = p->GetY(); | |
117 | fZ[i] = p->GetZ(); | |
118 | fVolumeID[i] = p->GetVolumeID(); | |
119 | memcpy(&fCov[6*i],p->GetCov(),6*sizeof(Float_t)); | |
120 | return kTRUE; | |
121 | } | |
122 | ||
123 | //______________________________________________________________________________ | |
124 | Bool_t AliTrackPointArray::GetPoint(AliTrackPoint &p, Int_t i) const | |
125 | { | |
126 | // Get the point at position i | |
127 | // | |
128 | if (i >= fNPoints) return kFALSE; | |
129 | p.SetXYZ(fX[i],fY[i],fZ[i],&fCov[6*i]); | |
130 | p.SetVolumeID(fVolumeID[i]); | |
131 | return kTRUE; | |
132 | } | |
133 | ||
134 | //______________________________________________________________________________ | |
135 | Bool_t AliTrackPointArray::HasVolumeID(UShort_t volid) const | |
136 | { | |
137 | // This method checks if the array | |
138 | // has at least one hit in the detector | |
139 | // volume defined by volid | |
140 | Bool_t check = kFALSE; | |
141 | for (Int_t ipoint = 0; ipoint < fNPoints; ipoint++) | |
142 | if (fVolumeID[ipoint] == volid) check = kTRUE; | |
143 | ||
144 | return check; | |
145 | } | |
146 | ||
147 | ClassImp(AliTrackPoint) | |
148 | ||
149 | //______________________________________________________________________________ | |
150 | AliTrackPoint::AliTrackPoint() | |
151 | { | |
152 | // Default constructor | |
153 | // | |
154 | fX = fY = fZ = 0; | |
155 | fVolumeID = 0; | |
156 | memset(fCov,0,6*sizeof(Float_t)); | |
157 | } | |
158 | ||
159 | ||
160 | //______________________________________________________________________________ | |
161 | AliTrackPoint::AliTrackPoint(Float_t x, Float_t y, Float_t z, const Float_t *cov, UShort_t volid) | |
162 | { | |
163 | // Constructor | |
164 | // | |
165 | SetXYZ(x,y,z,cov); | |
166 | SetVolumeID(volid); | |
167 | } | |
168 | ||
169 | //______________________________________________________________________________ | |
170 | AliTrackPoint::AliTrackPoint(const Float_t *xyz, const Float_t *cov, UShort_t volid) | |
171 | { | |
172 | // Constructor | |
173 | // | |
174 | SetXYZ(xyz[0],xyz[1],xyz[2],cov); | |
175 | SetVolumeID(volid); | |
176 | } | |
177 | ||
178 | //______________________________________________________________________________ | |
179 | AliTrackPoint::AliTrackPoint(const AliTrackPoint &p): | |
180 | TObject(p) | |
181 | { | |
182 | // Copy constructor | |
183 | // | |
184 | SetXYZ(p.fX,p.fY,p.fZ,&(p.fCov[0])); | |
185 | SetVolumeID(p.fVolumeID); | |
186 | } | |
187 | ||
188 | //_____________________________________________________________________________ | |
189 | AliTrackPoint &AliTrackPoint::operator =(const AliTrackPoint& p) | |
190 | { | |
191 | // assignment operator | |
192 | // | |
193 | if(this==&p) return *this; | |
194 | ((TObject *)this)->operator=(p); | |
195 | ||
196 | SetXYZ(p.fX,p.fY,p.fZ,&(p.fCov[0])); | |
197 | SetVolumeID(p.fVolumeID); | |
198 | ||
199 | return *this; | |
200 | } | |
201 | ||
202 | //______________________________________________________________________________ | |
203 | void AliTrackPoint::SetXYZ(Float_t x, Float_t y, Float_t z, const Float_t *cov) | |
204 | { | |
205 | // Set XYZ coordinates and their cov matrix | |
206 | // | |
207 | fX = x; | |
208 | fY = y; | |
209 | fZ = z; | |
210 | if (cov) | |
211 | memcpy(fCov,cov,6*sizeof(Float_t)); | |
212 | } | |
213 | ||
214 | //______________________________________________________________________________ | |
215 | void AliTrackPoint::SetXYZ(const Float_t *xyz, const Float_t *cov) | |
216 | { | |
217 | // Set XYZ coordinates and their cov matrix | |
218 | // | |
219 | SetXYZ(xyz[0],xyz[1],xyz[2],cov); | |
220 | } | |
221 | ||
222 | //______________________________________________________________________________ | |
223 | void AliTrackPoint::GetXYZ(Float_t *xyz, Float_t *cov) const | |
224 | { | |
225 | xyz[0] = fX; | |
226 | xyz[1] = fY; | |
227 | xyz[2] = fZ; | |
228 | if (cov) | |
229 | memcpy(cov,fCov,6*sizeof(Float_t)); | |
230 | } |