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a1dde210 | 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 | ||
a1dde210 | 16 | #include "AliMagWrapCheb.h" |
da7cd221 | 17 | #include <TSystem.h> |
18 | #include <TArrayF.h> | |
19 | #include <TArrayI.h> | |
a1dde210 | 20 | |
21 | ClassImp(AliMagWrapCheb) | |
a1dde210 | 22 | |
da7cd221 | 23 | //__________________________________________________________________________________________ |
24 | AliMagWrapCheb::AliMagWrapCheb() : | |
1d18ebe0 | 25 | fNParamsSol(0),fNZSegSol(0),fNPSegSol(0),fNRSegSol(0), |
26 | fSegZSol(0),fSegPSol(0),fSegRSol(0), | |
27 | fBegSegPSol(0),fNSegPSol(0),fBegSegRSol(0),fNSegRSol(0),fSegIDSol(0),fMinZSol(1.e6),fMaxZSol(-1.e6),fParamsSol(0),fMaxRSol(0), | |
da7cd221 | 28 | // |
1d18ebe0 | 29 | fNParamsTPC(0),fNZSegTPC(0),fNPSegTPC(0),fNRSegTPC(0), |
30 | fSegZTPC(0),fSegPTPC(0),fSegRTPC(0), | |
31 | fBegSegPTPC(0),fNSegPTPC(0),fBegSegRTPC(0),fNSegRTPC(0),fSegIDTPC(0),fMinZTPC(1.e6),fMaxZTPC(-1.e6),fParamsTPC(0),fMaxRTPC(0), | |
da7cd221 | 32 | // |
1d18ebe0 | 33 | fNParamsDip(0),fNZSegDip(0),fNYSegDip(0),fNXSegDip(0), |
34 | fSegZDip(0),fSegYDip(0),fSegXDip(0), | |
35 | fBegSegYDip(0),fNSegYDip(0),fBegSegXDip(0),fNSegXDip(0),fSegIDDip(0),fMinZDip(1.e6),fMaxZDip(-1.e6),fParamsDip(0) | |
da7cd221 | 36 | // |
a1dde210 | 37 | { |
da7cd221 | 38 | // default constructor |
a1dde210 | 39 | } |
40 | ||
da7cd221 | 41 | //__________________________________________________________________________________________ |
42 | AliMagWrapCheb::AliMagWrapCheb(const AliMagWrapCheb& src) : | |
43 | TNamed(src), | |
1d18ebe0 | 44 | fNParamsSol(0),fNZSegSol(0),fNPSegSol(0),fNRSegSol(0), |
45 | fSegZSol(0),fSegPSol(0),fSegRSol(0), | |
46 | fBegSegPSol(0),fNSegPSol(0),fBegSegRSol(0),fNSegRSol(0),fSegIDSol(0),fMinZSol(1.e6),fMaxZSol(-1.e6),fParamsSol(0),fMaxRSol(0), | |
da7cd221 | 47 | // |
1d18ebe0 | 48 | fNParamsTPC(0),fNZSegTPC(0),fNPSegTPC(0),fNRSegTPC(0), |
49 | fSegZTPC(0),fSegPTPC(0),fSegRTPC(0), | |
50 | fBegSegPTPC(0),fNSegPTPC(0),fBegSegRTPC(0),fNSegRTPC(0),fSegIDTPC(0),fMinZTPC(1.e6),fMaxZTPC(-1.e6),fParamsTPC(0),fMaxRTPC(0), | |
da7cd221 | 51 | // |
1d18ebe0 | 52 | fNParamsDip(0),fNZSegDip(0),fNYSegDip(0),fNXSegDip(0), |
53 | fSegZDip(0),fSegYDip(0),fSegXDip(0), | |
54 | fBegSegYDip(0),fNSegYDip(0),fBegSegXDip(0),fNSegXDip(0),fSegIDDip(0),fMinZDip(1.e6),fMaxZDip(-1.e6),fParamsDip(0) | |
a1dde210 | 55 | { |
da7cd221 | 56 | // copy constructor |
57 | CopyFrom(src); | |
58 | } | |
59 | ||
60 | //__________________________________________________________________________________________ | |
61 | void AliMagWrapCheb::CopyFrom(const AliMagWrapCheb& src) | |
62 | { | |
63 | // copy method | |
64 | Clear(); | |
65 | SetName(src.GetName()); | |
66 | SetTitle(src.GetTitle()); | |
1d18ebe0 | 67 | // |
da7cd221 | 68 | fNParamsSol = src.fNParamsSol; |
1d18ebe0 | 69 | fNZSegSol = src.fNZSegSol; |
70 | fNPSegSol = src.fNPSegSol; | |
71 | fNRSegSol = src.fNRSegSol; | |
72 | fMinZSol = src.fMinZSol; | |
73 | fMaxZSol = src.fMaxZSol; | |
74 | fMaxRSol = src.fMaxRSol; | |
75 | if (src.fNParamsSol) { | |
76 | memcpy(fSegZSol = new Float_t[fNZSegSol], src.fSegZSol, sizeof(Float_t)*fNZSegSol); | |
77 | memcpy(fSegPSol = new Float_t[fNPSegSol], src.fSegPSol, sizeof(Float_t)*fNPSegSol); | |
78 | memcpy(fSegRSol = new Float_t[fNRSegSol], src.fSegRSol, sizeof(Float_t)*fNRSegSol); | |
79 | memcpy(fBegSegPSol= new Int_t[fNZSegSol], src.fBegSegPSol, sizeof(Int_t)*fNZSegSol); | |
80 | memcpy(fNSegPSol = new Int_t[fNZSegSol], src.fNSegPSol, sizeof(Int_t)*fNZSegSol); | |
81 | memcpy(fBegSegRSol= new Int_t[fNPSegSol], src.fBegSegRSol, sizeof(Int_t)*fNPSegSol); | |
82 | memcpy(fNSegRSol = new Int_t[fNPSegSol], src.fNSegRSol, sizeof(Int_t)*fNPSegSol); | |
83 | memcpy(fSegIDSol = new Int_t[fNRSegSol], src.fSegIDSol, sizeof(Int_t)*fNRSegSol); | |
84 | fParamsSol = new TObjArray(fNParamsSol); | |
85 | for (int i=0;i<fNParamsSol;i++) fParamsSol->AddAtAndExpand(new AliCheb3D(*src.GetParamSol(i)),i); | |
86 | } | |
a1dde210 | 87 | // |
1d18ebe0 | 88 | fNParamsTPC = src.fNParamsTPC; |
89 | fNZSegTPC = src.fNZSegTPC; | |
90 | fNPSegTPC = src.fNPSegTPC; | |
91 | fNRSegTPC = src.fNRSegTPC; | |
92 | fMinZTPC = src.fMinZTPC; | |
93 | fMaxZTPC = src.fMaxZTPC; | |
94 | fMaxRTPC = src.fMaxRTPC; | |
95 | if (src.fNParamsTPC) { | |
96 | memcpy(fSegZTPC = new Float_t[fNZSegTPC], src.fSegZTPC, sizeof(Float_t)*fNZSegTPC); | |
97 | memcpy(fSegPTPC = new Float_t[fNPSegTPC], src.fSegPTPC, sizeof(Float_t)*fNPSegTPC); | |
98 | memcpy(fSegRTPC = new Float_t[fNRSegTPC], src.fSegRTPC, sizeof(Float_t)*fNRSegTPC); | |
99 | memcpy(fBegSegPTPC= new Int_t[fNZSegTPC], src.fBegSegPTPC, sizeof(Int_t)*fNZSegTPC); | |
100 | memcpy(fNSegPTPC = new Int_t[fNZSegTPC], src.fNSegPTPC, sizeof(Int_t)*fNZSegTPC); | |
101 | memcpy(fBegSegRTPC= new Int_t[fNPSegTPC], src.fBegSegRTPC, sizeof(Int_t)*fNPSegTPC); | |
102 | memcpy(fNSegRTPC = new Int_t[fNPSegTPC], src.fNSegRTPC, sizeof(Int_t)*fNPSegTPC); | |
103 | memcpy(fSegIDTPC = new Int_t[fNRSegTPC], src.fSegIDTPC, sizeof(Int_t)*fNRSegTPC); | |
104 | fParamsTPC = new TObjArray(fNParamsTPC); | |
105 | for (int i=0;i<fNParamsTPC;i++) fParamsTPC->AddAtAndExpand(new AliCheb3D(*src.GetParamTPCInt(i)),i); | |
106 | } | |
107 | // | |
108 | fNParamsDip = src.fNParamsDip; | |
da7cd221 | 109 | fNZSegDip = src.fNZSegDip; |
110 | fNYSegDip = src.fNYSegDip; | |
111 | fNXSegDip = src.fNXSegDip; | |
da7cd221 | 112 | fMinZDip = src.fMinZDip; |
113 | fMaxZDip = src.fMaxZDip; | |
da7cd221 | 114 | if (src.fNParamsDip) { |
115 | memcpy(fSegZDip = new Float_t[fNZSegDip], src.fSegZDip, sizeof(Float_t)*fNZSegDip); | |
116 | memcpy(fSegYDip = new Float_t[fNYSegDip], src.fSegYDip, sizeof(Float_t)*fNYSegDip); | |
82d1e556 | 117 | memcpy(fSegXDip = new Float_t[fNXSegDip], src.fSegXDip, sizeof(Float_t)*fNXSegDip); |
da7cd221 | 118 | memcpy(fBegSegYDip= new Int_t[fNZSegDip], src.fBegSegYDip, sizeof(Int_t)*fNZSegDip); |
119 | memcpy(fNSegYDip = new Int_t[fNZSegDip], src.fNSegYDip, sizeof(Int_t)*fNZSegDip); | |
120 | memcpy(fBegSegXDip= new Int_t[fNYSegDip], src.fBegSegXDip, sizeof(Int_t)*fNYSegDip); | |
121 | memcpy(fNSegXDip = new Int_t[fNYSegDip], src.fNSegXDip, sizeof(Int_t)*fNYSegDip); | |
122 | memcpy(fSegIDDip = new Int_t[fNXSegDip], src.fSegIDDip, sizeof(Int_t)*fNXSegDip); | |
123 | fParamsDip = new TObjArray(fNParamsDip); | |
124 | for (int i=0;i<fNParamsDip;i++) fParamsDip->AddAtAndExpand(new AliCheb3D(*src.GetParamDip(i)),i); | |
a1dde210 | 125 | } |
126 | // | |
da7cd221 | 127 | } |
128 | ||
129 | //__________________________________________________________________________________________ | |
130 | AliMagWrapCheb& AliMagWrapCheb::operator=(const AliMagWrapCheb& rhs) | |
131 | { | |
132 | // assignment | |
133 | if (this != &rhs) { | |
134 | Clear(); | |
135 | CopyFrom(rhs); | |
a1dde210 | 136 | } |
da7cd221 | 137 | return *this; |
138 | // | |
a1dde210 | 139 | } |
140 | ||
da7cd221 | 141 | //__________________________________________________________________________________________ |
142 | void AliMagWrapCheb::Clear(const Option_t *) | |
143 | { | |
144 | // clear all dynamic parts | |
145 | if (fNParamsSol) { | |
1d18ebe0 | 146 | delete fParamsSol; fParamsSol = 0; |
147 | delete[] fSegZSol; fSegZSol = 0; | |
148 | delete[] fSegPSol; fSegPSol = 0; | |
149 | delete[] fSegRSol; fSegRSol = 0; | |
150 | delete[] fBegSegPSol; fBegSegPSol = 0; | |
151 | delete[] fNSegPSol; fNSegPSol = 0; | |
152 | delete[] fBegSegRSol; fBegSegRSol = 0; | |
153 | delete[] fNSegRSol; fNSegRSol = 0; | |
154 | delete[] fSegIDSol; fSegIDSol = 0; | |
da7cd221 | 155 | } |
1d18ebe0 | 156 | fNParamsSol = fNZSegSol = fNPSegSol = fNRSegSol = 0; |
157 | fMinZSol = 1e6; | |
158 | fMaxZSol = -1e6; | |
159 | fMaxRSol = 0; | |
da7cd221 | 160 | // |
1d18ebe0 | 161 | if (fNParamsTPC) { |
162 | delete fParamsTPC; fParamsTPC = 0; | |
163 | delete[] fSegZTPC; fSegZTPC = 0; | |
164 | delete[] fSegPTPC; fSegPTPC = 0; | |
165 | delete[] fSegRTPC; fSegRTPC = 0; | |
166 | delete[] fBegSegPTPC; fBegSegPTPC = 0; | |
167 | delete[] fNSegPTPC; fNSegPTPC = 0; | |
168 | delete[] fBegSegRTPC; fBegSegRTPC = 0; | |
169 | delete[] fNSegRTPC; fNSegRTPC = 0; | |
170 | delete[] fSegIDTPC; fSegIDTPC = 0; | |
da7cd221 | 171 | } |
1d18ebe0 | 172 | fNParamsTPC = fNZSegTPC = fNPSegTPC = fNRSegTPC = 0; |
173 | fMinZTPC = 1e6; | |
174 | fMaxZTPC = -1e6; | |
175 | fMaxRTPC = 0; | |
176 | // | |
da7cd221 | 177 | if (fNParamsDip) { |
1d18ebe0 | 178 | delete fParamsDip; fParamsDip = 0; |
179 | delete[] fSegZDip; fSegZDip = 0; | |
180 | delete[] fSegYDip; fSegYDip = 0; | |
181 | delete[] fSegXDip; fSegXDip = 0; | |
182 | delete[] fBegSegYDip; fBegSegYDip = 0; | |
183 | delete[] fNSegYDip; fNSegYDip = 0; | |
184 | delete[] fBegSegXDip; fBegSegXDip = 0; | |
185 | delete[] fNSegXDip; fNSegXDip = 0; | |
186 | delete[] fSegIDDip; fSegIDDip = 0; | |
da7cd221 | 187 | } |
1d18ebe0 | 188 | fNParamsDip = fNZSegDip = fNYSegDip = fNXSegDip = 0; |
189 | fMinZDip = 1e6; | |
190 | fMaxZDip = -1e6; | |
da7cd221 | 191 | // |
192 | } | |
a1dde210 | 193 | |
da7cd221 | 194 | //__________________________________________________________________________________________ |
db83d72f | 195 | void AliMagWrapCheb::Field(const Double_t *xyz, Double_t *b) const |
a1dde210 | 196 | { |
da7cd221 | 197 | // compute field in cartesian coordinates. If point is outside of the parameterized region |
198 | // get it at closest valid point | |
1d18ebe0 | 199 | Double_t rphiz[3]; |
da7cd221 | 200 | // |
201 | #ifndef _BRING_TO_BOUNDARY_ // exact matching to fitted volume is requested | |
1d18ebe0 | 202 | b[0] = b[1] = b[2] = 0; |
da7cd221 | 203 | #endif |
204 | // | |
1d18ebe0 | 205 | if (xyz[2]>fMinZSol) { |
206 | CartToCyl(xyz,rphiz); | |
207 | FieldCylSol(rphiz,b); | |
208 | // convert field to cartesian system | |
209 | CylToCartCylB(rphiz, b,b); | |
210 | return; | |
da7cd221 | 211 | } |
212 | // | |
1d18ebe0 | 213 | int iddip = FindDipSegment(xyz); |
214 | if (iddip<0) return; | |
215 | AliCheb3D* par = GetParamDip(iddip); | |
da7cd221 | 216 | #ifndef _BRING_TO_BOUNDARY_ |
1d18ebe0 | 217 | if (!par->IsInside(xyz)) return; |
da7cd221 | 218 | #endif |
1d18ebe0 | 219 | par->Eval(xyz,b); |
da7cd221 | 220 | // |
a1dde210 | 221 | } |
222 | ||
da7cd221 | 223 | //__________________________________________________________________________________________ |
db83d72f | 224 | Double_t AliMagWrapCheb::GetBz(const Double_t *xyz) const |
a1dde210 | 225 | { |
db83d72f | 226 | // compute Bz for the point in cartesian coordinates. If point is outside of the parameterized region |
da7cd221 | 227 | // get it at closest valid point |
1d18ebe0 | 228 | Double_t rphiz[3]; |
da7cd221 | 229 | // |
1d18ebe0 | 230 | if (xyz[2]>fMinZSol) { |
231 | CartToCyl(xyz,rphiz); | |
232 | return FieldCylSolBz(rphiz); | |
da7cd221 | 233 | } |
1d18ebe0 | 234 | // |
235 | int iddip = FindDipSegment(xyz); | |
236 | if (iddip<0) return 0.; | |
237 | AliCheb3D* par = GetParamDip(iddip); | |
9251fceb | 238 | #ifndef _BRING_TO_BOUNDARY_ |
1d18ebe0 | 239 | if (!par->IsInside(xyz)) return 0.; |
9251fceb | 240 | #endif |
1d18ebe0 | 241 | return par->Eval(xyz,2); |
db83d72f | 242 | } |
243 | ||
244 | ||
245 | //__________________________________________________________________________________________ | |
246 | void AliMagWrapCheb::Print(Option_t *) const | |
247 | { | |
248 | // print info | |
249 | printf("Alice magnetic field parameterized by Chebyshev polynomials\n"); | |
250 | printf("Segmentation for Solenoid (%+.2f<Z<%+.2f cm | R<%.2f cm)\n",fMinZSol,fMaxZSol,fMaxRSol); | |
da7cd221 | 251 | // |
82d1e556 | 252 | if (fParamsSol) { |
253 | for (int i=0;i<fNParamsSol;i++) { | |
254 | printf("SOL%4d ",i); | |
255 | GetParamSol(i)->Print(); | |
256 | } | |
257 | } | |
da7cd221 | 258 | // |
1d18ebe0 | 259 | printf("Segmentation for TPC field integral (%+.2f<Z<%+.2f cm | R<%.2f cm)\n",fMinZTPC,fMaxZTPC,fMaxRTPC); |
da7cd221 | 260 | // |
1d18ebe0 | 261 | if (fParamsTPC) { |
262 | for (int i=0;i<fNParamsTPC;i++) { | |
82d1e556 | 263 | printf("TPC%4d ",i); |
264 | GetParamTPCInt(i)->Print(); | |
265 | } | |
266 | } | |
267 | // | |
db83d72f | 268 | printf("Segmentation for Dipole (%+.2f<Z<%+.2f cm)\n",fMinZDip,fMaxZDip); |
82d1e556 | 269 | if (fParamsDip) { |
270 | for (int i=0;i<fNParamsDip;i++) { | |
271 | printf("DIP%4d ",i); | |
272 | GetParamDip(i)->Print(); | |
273 | } | |
274 | } | |
db83d72f | 275 | // |
db83d72f | 276 | } |
277 | ||
db83d72f | 278 | //__________________________________________________________________________________________________ |
1d18ebe0 | 279 | Int_t AliMagWrapCheb::FindDipSegment(const Double_t *xyz) const |
db83d72f | 280 | { |
281 | // find the segment containing point xyz. If it is outside find the closest segment | |
1d18ebe0 | 282 | if (!fNParamsDip) return -1; |
db83d72f | 283 | int xid,yid,zid = TMath::BinarySearch(fNZSegDip,fSegZDip,(Float_t)xyz[2]); // find zsegment |
284 | int ysegBeg = fBegSegYDip[zid]; | |
285 | // | |
286 | for (yid=0;yid<fNSegYDip[zid];yid++) if (xyz[1]<fSegYDip[ysegBeg+yid]) break; | |
287 | if ( --yid < 0 ) yid = 0; | |
288 | yid += ysegBeg; | |
289 | // | |
290 | int xsegBeg = fBegSegXDip[yid]; | |
291 | for (xid=0;xid<fNSegXDip[yid];xid++) if (xyz[0]<fSegXDip[xsegBeg+xid]) break; | |
292 | if ( --xid < 0) xid = 0; | |
293 | xid += xsegBeg; | |
294 | // | |
295 | return fSegIDDip[xid]; | |
a1dde210 | 296 | } |
297 | ||
1d18ebe0 | 298 | //__________________________________________________________________________________________________ |
299 | Int_t AliMagWrapCheb::FindSolSegment(const Double_t *rpz) const | |
300 | { | |
301 | // find the segment containing point xyz. If it is outside find the closest segment | |
302 | if (!fNParamsSol) return -1; | |
303 | int rid,pid,zid = TMath::BinarySearch(fNZSegSol,fSegZSol,(Float_t)rpz[2]); // find zsegment | |
304 | int psegBeg = fBegSegPSol[zid]; | |
305 | // | |
306 | for (pid=0;pid<fNSegPSol[zid];pid++) if (rpz[1]<fSegPSol[psegBeg+pid]) break; | |
307 | if ( --pid < 0 ) pid = 0; | |
308 | pid += psegBeg; | |
309 | // | |
310 | int rsegBeg = fBegSegRSol[pid]; | |
311 | for (rid=0;rid<fNSegRSol[pid];rid++) if (rpz[0]<fSegRSol[rsegBeg+rid]) break; | |
312 | if ( --rid < 0) rid = 0; | |
313 | rid += rsegBeg; | |
314 | // | |
315 | return fSegIDSol[rid]; | |
316 | } | |
317 | ||
318 | //__________________________________________________________________________________________________ | |
319 | Int_t AliMagWrapCheb::FindTPCSegment(const Double_t *rpz) const | |
320 | { | |
321 | // find the segment containing point xyz. If it is outside find the closest segment | |
322 | if (!fNParamsTPC) return -1; | |
323 | int rid,pid,zid = TMath::BinarySearch(fNZSegTPC,fSegZTPC,(Float_t)rpz[2]); // find zsegment | |
324 | int psegBeg = fBegSegPTPC[zid]; | |
325 | // | |
326 | for (pid=0;pid<fNSegPTPC[zid];pid++) if (rpz[1]<fSegPTPC[psegBeg+pid]) break; | |
327 | if ( --pid < 0 ) pid = 0; | |
328 | pid += psegBeg; | |
329 | // | |
330 | int rsegBeg = fBegSegRTPC[pid]; | |
331 | for (rid=0;rid<fNSegRTPC[pid];rid++) if (rpz[0]<fSegRTPC[rsegBeg+rid]) break; | |
332 | if ( --rid < 0) rid = 0; | |
333 | rid += rsegBeg; | |
334 | // | |
335 | return fSegIDTPC[rid]; | |
336 | } | |
337 | ||
338 | ||
da7cd221 | 339 | //__________________________________________________________________________________________ |
db83d72f | 340 | void AliMagWrapCheb::GetTPCInt(const Double_t *xyz, Double_t *b) const |
a1dde210 | 341 | { |
da7cd221 | 342 | // compute TPC region field integral in cartesian coordinates. |
343 | // If point is outside of the parameterized region get it at closeset valid point | |
db83d72f | 344 | static Double_t rphiz[3]; |
da7cd221 | 345 | // |
346 | // TPCInt region | |
347 | // convert coordinates to cyl system | |
348 | CartToCyl(xyz,rphiz); | |
349 | #ifndef _BRING_TO_BOUNDARY_ | |
350 | if ( (rphiz[2]>GetMaxZTPCInt()||rphiz[2]<GetMinZTPCInt()) || | |
351 | rphiz[0]>GetMaxRTPCInt()) {for (int i=3;i--;) b[i]=0; return;} | |
352 | #endif | |
353 | // | |
354 | GetTPCIntCyl(rphiz,b); | |
355 | // | |
356 | // convert field to cartesian system | |
357 | CylToCartCylB(rphiz, b,b); | |
358 | // | |
359 | } | |
360 | ||
361 | //__________________________________________________________________________________________ | |
db83d72f | 362 | void AliMagWrapCheb::FieldCylSol(const Double_t *rphiz, Double_t *b) const |
da7cd221 | 363 | { |
364 | // compute Solenoid field in Cylindircal coordinates | |
365 | // note: if the point is outside the volume get the field in closest parameterized point | |
1d18ebe0 | 366 | int id = FindSolSegment(rphiz); |
367 | if (id<0) return; | |
368 | AliCheb3D* par = GetParamSol(id); | |
369 | #ifndef _BRING_TO_BOUNDARY_ // exact matching to fitted volume is requested | |
370 | if (!par->IsInside(rphiz)) return; | |
371 | #endif | |
372 | par->Eval(rphiz,b); | |
373 | return; | |
da7cd221 | 374 | // |
375 | } | |
376 | ||
377 | //__________________________________________________________________________________________ | |
db83d72f | 378 | Double_t AliMagWrapCheb::FieldCylSolBz(const Double_t *rphiz) const |
da7cd221 | 379 | { |
380 | // compute Solenoid field in Cylindircal coordinates | |
381 | // note: if the point is outside the volume get the field in closest parameterized point | |
1d18ebe0 | 382 | int id = FindSolSegment(rphiz); |
383 | if (id<0) return 0.; | |
384 | AliCheb3D* par = GetParamSol(id); | |
385 | #ifndef _BRING_TO_BOUNDARY_ | |
386 | return par->IsInside(rphiz) ? par->Eval(rphiz,2) : 0; | |
387 | #endif | |
388 | return par->Eval(rphiz,2); | |
a1dde210 | 389 | // |
a1dde210 | 390 | } |
391 | ||
da7cd221 | 392 | //__________________________________________________________________________________________ |
db83d72f | 393 | void AliMagWrapCheb::GetTPCIntCyl(const Double_t *rphiz, Double_t *b) const |
a1dde210 | 394 | { |
da7cd221 | 395 | // compute field integral in TPC region in Cylindircal coordinates |
396 | // note: the check for the point being inside the parameterized region is done outside | |
1d18ebe0 | 397 | int id = FindTPCSegment(rphiz); |
398 | if (id<0) { | |
399 | b[0] = b[1] = b[2] = 0; | |
400 | return; | |
401 | } | |
402 | AliCheb3D* par = GetParamTPCInt(id); | |
403 | if (par->IsInside(rphiz)) {par->Eval(rphiz,b); return;} | |
404 | b[0] = b[1] = b[2] = 0; | |
405 | return; | |
da7cd221 | 406 | // |
a1dde210 | 407 | } |
408 | ||
da7cd221 | 409 | |
da7cd221 | 410 | #ifdef _INC_CREATION_ALICHEB3D_ |
411 | //_______________________________________________ | |
412 | void AliMagWrapCheb::LoadData(const char* inpfile) | |
413 | { | |
414 | // read coefficients data from the text file | |
415 | // | |
416 | TString strf = inpfile; | |
417 | gSystem->ExpandPathName(strf); | |
418 | FILE* stream = fopen(strf,"r"); | |
419 | if (!stream) { | |
420 | printf("Did not find input file %s\n",strf.Data()); | |
421 | return; | |
422 | } | |
423 | // | |
424 | TString buffs; | |
425 | AliCheb3DCalc::ReadLine(buffs,stream); | |
426 | if (!buffs.BeginsWith("START")) { | |
427 | Error("LoadData","Expected: \"START <name>\", found \"%s\"\nStop\n",buffs.Data()); | |
428 | exit(1); | |
429 | } | |
430 | if (buffs.First(' ')>0) SetName(buffs.Data()+buffs.First(' ')+1); | |
431 | // | |
432 | // Solenoid part ----------------------------------------------------------- | |
433 | AliCheb3DCalc::ReadLine(buffs,stream); | |
434 | if (!buffs.BeginsWith("START SOLENOID")) { | |
435 | Error("LoadData","Expected: \"START SOLENOID\", found \"%s\"\nStop\n",buffs.Data()); | |
436 | exit(1); | |
437 | } | |
438 | AliCheb3DCalc::ReadLine(buffs,stream); // nparam | |
439 | int nparSol = buffs.Atoi(); | |
440 | // | |
441 | for (int ip=0;ip<nparSol;ip++) { | |
442 | AliCheb3D* cheb = new AliCheb3D(); | |
443 | cheb->LoadData(stream); | |
444 | AddParamSol(cheb); | |
445 | } | |
446 | // | |
447 | AliCheb3DCalc::ReadLine(buffs,stream); | |
448 | if (!buffs.BeginsWith("END SOLENOID")) { | |
449 | Error("LoadData","Expected \"END SOLENOID\", found \"%s\"\nStop\n",buffs.Data()); | |
450 | exit(1); | |
451 | } | |
452 | // | |
453 | // TPCInt part ----------------------------------------------------------- | |
454 | AliCheb3DCalc::ReadLine(buffs,stream); | |
455 | if (!buffs.BeginsWith("START TPCINT")) { | |
456 | Error("LoadData","Expected: \"START TPCINT\", found \"%s\"\nStop\n",buffs.Data()); | |
457 | exit(1); | |
458 | } | |
459 | AliCheb3DCalc::ReadLine(buffs,stream); // nparam | |
460 | int nparTPCInt = buffs.Atoi(); | |
461 | // | |
462 | for (int ip=0;ip<nparTPCInt;ip++) { | |
463 | AliCheb3D* cheb = new AliCheb3D(); | |
464 | cheb->LoadData(stream); | |
465 | AddParamTPCInt(cheb); | |
466 | } | |
467 | // | |
468 | AliCheb3DCalc::ReadLine(buffs,stream); | |
469 | if (!buffs.BeginsWith("END TPCINT")) { | |
470 | Error("LoadData","Expected \"END TPCINT\", found \"%s\"\nStop\n",buffs.Data()); | |
471 | exit(1); | |
472 | } | |
473 | // | |
474 | // Dipole part ----------------------------------------------------------- | |
475 | AliCheb3DCalc::ReadLine(buffs,stream); | |
476 | if (!buffs.BeginsWith("START DIPOLE")) { | |
477 | Error("LoadData","Expected: \"START DIPOLE\", found \"%s\"\nStop\n",buffs.Data()); | |
478 | exit(1); | |
479 | } | |
480 | AliCheb3DCalc::ReadLine(buffs,stream); // nparam | |
481 | int nparDip = buffs.Atoi(); | |
482 | // | |
483 | for (int ip=0;ip<nparDip;ip++) { | |
484 | AliCheb3D* cheb = new AliCheb3D(); | |
485 | cheb->LoadData(stream); | |
486 | AddParamDip(cheb); | |
487 | } | |
488 | // | |
489 | AliCheb3DCalc::ReadLine(buffs,stream); | |
490 | if (!buffs.BeginsWith("END DIPOLE")) { | |
491 | Error("LoadData","Expected \"END DIPOLE\", found \"%s\"\nStop\n",GetName(),buffs.Data()); | |
492 | exit(1); | |
493 | } | |
494 | // | |
495 | AliCheb3DCalc::ReadLine(buffs,stream); | |
496 | if (!buffs.BeginsWith("END") || !buffs.Contains(GetName())) { | |
497 | Error("LoadData","Expected: \"END %s\", found \"%s\"\nStop\n",GetName(),buffs.Data()); | |
498 | exit(1); | |
499 | } | |
500 | // | |
501 | // --------------------------------------------------------------------------- | |
502 | fclose(stream); | |
503 | BuildTableSol(); | |
da7cd221 | 504 | BuildTableDip(); |
1d18ebe0 | 505 | BuildTableTPCInt(); |
506 | // | |
da7cd221 | 507 | printf("Loaded magnetic field \"%s\" from %s\n",GetName(),strf.Data()); |
508 | // | |
509 | } | |
1d18ebe0 | 510 | |
511 | //__________________________________________________________________________________________ | |
512 | void AliMagWrapCheb::BuildTableSol() | |
513 | { | |
514 | BuildTable(fNParamsSol,fParamsSol, | |
515 | fNZSegSol,fNPSegSol,fNRSegSol, | |
516 | fMinZSol,fMaxZSol, | |
517 | &fSegZSol,&fSegPSol,&fSegRSol, | |
518 | &fBegSegPSol,&fNSegPSol, | |
519 | &fBegSegRSol,&fNSegRSol, | |
520 | &fSegIDSol); | |
521 | } | |
522 | ||
523 | //__________________________________________________________________________________________ | |
524 | void AliMagWrapCheb::BuildTableDip() | |
525 | { | |
526 | BuildTable(fNParamsDip,fParamsDip, | |
527 | fNZSegDip,fNYSegDip,fNXSegDip, | |
528 | fMinZDip,fMaxZDip, | |
529 | &fSegZDip,&fSegYDip,&fSegXDip, | |
530 | &fBegSegYDip,&fNSegYDip, | |
531 | &fBegSegXDip,&fNSegXDip, | |
532 | &fSegIDDip); | |
533 | } | |
534 | ||
535 | //__________________________________________________________________________________________ | |
536 | void AliMagWrapCheb::BuildTableTPCInt() | |
537 | { | |
538 | BuildTable(fNParamsTPC,fParamsTPC, | |
539 | fNZSegTPC,fNPSegTPC,fNRSegTPC, | |
540 | fMinZTPC,fMaxZTPC, | |
541 | &fSegZTPC,&fSegPTPC,&fSegRTPC, | |
542 | &fBegSegPTPC,&fNSegPTPC, | |
543 | &fBegSegRTPC,&fNSegRTPC, | |
544 | &fSegIDTPC); | |
545 | } | |
546 | ||
da7cd221 | 547 | #endif |
ff66b122 | 548 | |
da7cd221 | 549 | //_______________________________________________ |
550 | #ifdef _INC_CREATION_ALICHEB3D_ | |
551 | ||
552 | //__________________________________________________________________________________________ | |
553 | AliMagWrapCheb::AliMagWrapCheb(const char* inputFile) : | |
1d18ebe0 | 554 | fNParamsSol(0),fNZSegSol(0),fNPSegSol(0),fNRSegSol(0), |
555 | fSegZSol(0),fSegPSol(0),fSegRSol(0), | |
556 | fBegSegPSol(0),fNSegPSol(0),fBegSegRSol(0),fNSegRSol(0),fSegIDSol(0),fMinZSol(1.e6),fMaxZSol(-1.e6),fParamsSol(0),fMaxRSol(0), | |
da7cd221 | 557 | // |
1d18ebe0 | 558 | fNParamsTPC(0),fNZSegTPC(0),fNPSegTPC(0),fNRSegTPC(0), |
559 | fSegZTPC(0),fSegPTPC(0),fSegRTPC(0), | |
560 | fBegSegPTPC(0),fNSegPTPC(0),fBegSegRTPC(0),fNSegRTPC(0),fSegIDTPC(0),fMinZTPC(1.e6),fMaxZTPC(-1.e6),fParamsTPC(0),fMaxRTPC(0), | |
da7cd221 | 561 | // |
1d18ebe0 | 562 | fNParamsDip(0),fNZSegDip(0),fNYSegDip(0),fNXSegDip(0), |
563 | fSegZDip(0),fSegYDip(0),fSegXDip(0), | |
564 | fBegSegYDip(0),fNSegYDip(0),fBegSegXDip(0),fNSegXDip(0),fSegIDDip(0),fMinZDip(1.e6),fMaxZDip(-1.e6),fParamsDip(0) | |
da7cd221 | 565 | // |
566 | { | |
567 | // construct from coeffs from the text file | |
568 | LoadData(inputFile); | |
569 | } | |
570 | ||
571 | //__________________________________________________________________________________________ | |
572 | void AliMagWrapCheb::AddParamSol(const AliCheb3D* param) | |
573 | { | |
574 | // adds new parameterization piece for Sol | |
575 | // NOTE: pieces must be added strictly in increasing R then increasing Z order | |
576 | // | |
577 | if (!fParamsSol) fParamsSol = new TObjArray(); | |
578 | fParamsSol->Add( (AliCheb3D*)param ); | |
579 | fNParamsSol++; | |
1d18ebe0 | 580 | if (fMaxRSol<param->GetBoundMax(0)) fMaxRSol = param->GetBoundMax(0); |
da7cd221 | 581 | // |
582 | } | |
583 | ||
584 | //__________________________________________________________________________________________ | |
585 | void AliMagWrapCheb::AddParamTPCInt(const AliCheb3D* param) | |
586 | { | |
587 | // adds new parameterization piece for TPCInt | |
588 | // NOTE: pieces must be added strictly in increasing R then increasing Z order | |
589 | // | |
1d18ebe0 | 590 | if (!fParamsTPC) fParamsTPC = new TObjArray(); |
591 | fParamsTPC->Add( (AliCheb3D*)param); | |
592 | fNParamsTPC++; | |
593 | if (fMaxRTPC<param->GetBoundMax(0)) fMaxRTPC = param->GetBoundMax(0); | |
da7cd221 | 594 | // |
595 | } | |
596 | ||
597 | //__________________________________________________________________________________________ | |
598 | void AliMagWrapCheb::AddParamDip(const AliCheb3D* param) | |
a1dde210 | 599 | { |
da7cd221 | 600 | // adds new parameterization piece for Dipole |
a1dde210 | 601 | // |
da7cd221 | 602 | if (!fParamsDip) fParamsDip = new TObjArray(); |
603 | fParamsDip->Add( (AliCheb3D*)param); | |
604 | fNParamsDip++; | |
605 | // | |
606 | } | |
607 | ||
608 | //__________________________________________________________________________________________ | |
609 | void AliMagWrapCheb::ResetTPCInt() | |
610 | { | |
611 | // clean TPC field integral (used for update) | |
1d18ebe0 | 612 | if (fNParamsTPC) { |
613 | delete fParamsTPC; fParamsTPC = 0; | |
614 | delete[] fSegZTPC; fSegZTPC = 0; | |
615 | delete[] fSegPTPC; fSegPTPC = 0; | |
616 | delete[] fSegRTPC; fSegRTPC = 0; | |
617 | delete[] fBegSegPTPC; fBegSegPTPC = 0; | |
618 | delete[] fNSegPTPC; fNSegPTPC = 0; | |
619 | delete[] fBegSegRTPC; fBegSegRTPC = 0; | |
620 | delete[] fNSegRTPC; fNSegRTPC = 0; | |
621 | delete[] fSegIDTPC; fSegIDTPC = 0; | |
622 | } | |
623 | fNParamsTPC = fNZSegTPC = fNPSegTPC = fNRSegTPC = 0; | |
624 | fMinZTPC = 1e6; | |
625 | fMaxZTPC = -1e6; | |
626 | fMaxRTPC = 0; | |
627 | // | |
628 | } | |
629 | ||
630 | ||
631 | //__________________________________________________ | |
632 | void AliMagWrapCheb::BuildTable(Int_t npar,TObjArray *parArr, Int_t &nZSeg, Int_t &nYSeg, Int_t &nXSeg, | |
633 | Float_t &minZ,Float_t &maxZ, | |
634 | Float_t **segZ,Float_t **segY,Float_t **segX, | |
635 | Int_t **begSegY,Int_t **nSegY, | |
636 | Int_t **begSegX,Int_t **nSegX, | |
637 | Int_t **segID) | |
638 | { | |
639 | // build lookup table for dipole | |
640 | // | |
641 | if (npar<1) return; | |
642 | TArrayF segYArr,segXArr; | |
643 | TArrayI begSegYDipArr,begSegXDipArr; | |
644 | TArrayI nSegYDipArr,nSegXDipArr; | |
645 | TArrayI segIDArr; | |
646 | float *tmpSegZ,*tmpSegY,*tmpSegX; | |
647 | // | |
648 | // create segmentation in Z | |
649 | nZSeg = SegmentDimension(&tmpSegZ, parArr, npar, 2, 1,-1, 1,-1, 1,-1) - 1; | |
650 | nYSeg = 0; | |
651 | nXSeg = 0; | |
652 | // | |
653 | // for each Z slice create segmentation in Y | |
654 | begSegYDipArr.Set(nZSeg); | |
655 | nSegYDipArr.Set(nZSeg); | |
656 | float xyz[3]; | |
657 | for (int iz=0;iz<nZSeg;iz++) { | |
658 | printf("\nZSegment#%d %+e : %+e\n",iz,tmpSegZ[iz],tmpSegZ[iz+1]); | |
659 | int ny = SegmentDimension(&tmpSegY, parArr, npar, 1, | |
660 | 1,-1, 1,-1, tmpSegZ[iz],tmpSegZ[iz+1]) - 1; | |
661 | segYArr.Set(ny + nYSeg); | |
662 | for (int iy=0;iy<ny;iy++) segYArr[nYSeg+iy] = tmpSegY[iy]; | |
663 | begSegYDipArr[iz] = nYSeg; | |
664 | nSegYDipArr[iz] = ny; | |
665 | printf(" Found %d YSegments, to start from %d\n",ny, begSegYDipArr[iz]); | |
666 | // | |
667 | // for each slice in Z and Y create segmentation in X | |
668 | begSegXDipArr.Set(nYSeg+ny); | |
669 | nSegXDipArr.Set(nYSeg+ny); | |
670 | xyz[2] = (tmpSegZ[iz]+tmpSegZ[iz+1])/2.; // mean Z of this segment | |
671 | // | |
672 | for (int iy=0;iy<ny;iy++) { | |
673 | int isg = nYSeg+iy; | |
674 | printf("\n YSegment#%d %+e : %+e\n",iy, tmpSegY[iy],tmpSegY[iy+1]); | |
675 | int nx = SegmentDimension(&tmpSegX, parArr, npar, 0, | |
676 | 1,-1, tmpSegY[iy],tmpSegY[iy+1], tmpSegZ[iz],tmpSegZ[iz+1]) - 1; | |
677 | // | |
678 | segXArr.Set(nx + nXSeg); | |
679 | for (int ix=0;ix<nx;ix++) segXArr[nXSeg+ix] = tmpSegX[ix]; | |
680 | begSegXDipArr[isg] = nXSeg; | |
681 | nSegXDipArr[isg] = nx; | |
682 | printf(" Found %d XSegments, to start from %d\n",nx, begSegXDipArr[isg]); | |
683 | // | |
684 | segIDArr.Set(nXSeg+nx); | |
685 | // | |
686 | // find corresponding params | |
687 | xyz[1] = (tmpSegY[iy]+tmpSegY[iy+1])/2.; // mean Y of this segment | |
688 | // | |
689 | for (int ix=0;ix<nx;ix++) { | |
690 | xyz[0] = (tmpSegX[ix]+tmpSegX[ix+1])/2.; // mean X of this segment | |
691 | for (int ipar=0;ipar<npar;ipar++) { | |
692 | AliCheb3D* cheb = (AliCheb3D*) parArr->At(ipar); | |
693 | if (!cheb->IsInside(xyz)) continue; | |
694 | segIDArr[nXSeg+ix] = ipar; | |
695 | break; | |
696 | } | |
697 | } | |
698 | nXSeg += nx; | |
699 | // | |
700 | delete[] tmpSegX; | |
701 | } | |
702 | delete[] tmpSegY; | |
703 | nYSeg += ny; | |
704 | } | |
705 | // | |
706 | minZ = tmpSegZ[0]; | |
707 | maxZ = tmpSegZ[nZSeg]; | |
708 | (*segZ) = new Float_t[nZSeg]; | |
709 | for (int i=nZSeg;i--;) (*segZ)[i] = tmpSegZ[i]; | |
710 | delete[] tmpSegZ; | |
711 | // | |
712 | (*segY) = new Float_t[nYSeg]; | |
713 | (*segX) = new Float_t[nXSeg]; | |
714 | (*begSegY) = new Int_t[nZSeg]; | |
715 | (*nSegY) = new Int_t[nZSeg]; | |
716 | (*begSegX) = new Int_t[nYSeg]; | |
717 | (*nSegX) = new Int_t[nYSeg]; | |
718 | (*segID) = new Int_t[nXSeg]; | |
719 | // | |
720 | for (int i=nYSeg;i--;) (*segY)[i] = segYArr[i]; | |
721 | for (int i=nXSeg;i--;) (*segX)[i] = segXArr[i]; | |
722 | for (int i=nZSeg;i--;) {(*begSegY)[i] = begSegYDipArr[i]; (*nSegY)[i] = nSegYDipArr[i];} | |
723 | for (int i=nYSeg;i--;) {(*begSegX)[i] = begSegXDipArr[i]; (*nSegX)[i] = nSegXDipArr[i];} | |
724 | for (int i=nXSeg;i--;) {(*segID)[i] = segIDArr[i];} | |
da7cd221 | 725 | // |
726 | } | |
727 | ||
1d18ebe0 | 728 | /* |
da7cd221 | 729 | //__________________________________________________ |
730 | void AliMagWrapCheb::BuildTableDip() | |
731 | { | |
732 | // build lookup table for dipole | |
733 | // | |
82d1e556 | 734 | if (fNParamsDip<1) return; |
da7cd221 | 735 | TArrayF segY,segX; |
736 | TArrayI begSegYDip,begSegXDip; | |
737 | TArrayI nsegYDip,nsegXDip; | |
738 | TArrayI segID; | |
739 | float *tmpSegZ,*tmpSegY,*tmpSegX; | |
740 | // | |
741 | // create segmentation in Z | |
1d18ebe0 | 742 | fNZSegDip = SegmentDimension(&tmpSegZ, fParamsDip, fNParamsDip, 2, 1,-1, 1,-1, 1,-1) - 1; |
da7cd221 | 743 | fNYSegDip = 0; |
744 | fNXSegDip = 0; | |
745 | // | |
746 | // for each Z slice create segmentation in Y | |
747 | begSegYDip.Set(fNZSegDip); | |
748 | nsegYDip.Set(fNZSegDip); | |
749 | float xyz[3]; | |
750 | for (int iz=0;iz<fNZSegDip;iz++) { | |
751 | printf("\nZSegment#%d %+e : %+e\n",iz,tmpSegZ[iz],tmpSegZ[iz+1]); | |
1d18ebe0 | 752 | int ny = SegmentDimension(&tmpSegY, fParamsDip, fNParamsDip, 1, |
da7cd221 | 753 | 1,-1, 1,-1, tmpSegZ[iz],tmpSegZ[iz+1]) - 1; |
754 | segY.Set(ny + fNYSegDip); | |
755 | for (int iy=0;iy<ny;iy++) segY[fNYSegDip+iy] = tmpSegY[iy]; | |
756 | begSegYDip[iz] = fNYSegDip; | |
757 | nsegYDip[iz] = ny; | |
758 | printf(" Found %d YSegments, to start from %d\n",ny, begSegYDip[iz]); | |
759 | // | |
760 | // for each slice in Z and Y create segmentation in X | |
761 | begSegXDip.Set(fNYSegDip+ny); | |
762 | nsegXDip.Set(fNYSegDip+ny); | |
763 | xyz[2] = (tmpSegZ[iz]+tmpSegZ[iz+1])/2.; // mean Z of this segment | |
764 | // | |
765 | for (int iy=0;iy<ny;iy++) { | |
766 | int isg = fNYSegDip+iy; | |
767 | printf("\n YSegment#%d %+e : %+e\n",iy, tmpSegY[iy],tmpSegY[iy+1]); | |
1d18ebe0 | 768 | int nx = SegmentDimension(&tmpSegX, fParamsDip, fNParamsDip, 0, |
769 | 1,-1, tmpSegY[iy],tmpSegY[iy+1], tmpSegZ[iz],tmpSegZ[iz+1]) - 1; | |
da7cd221 | 770 | // |
771 | segX.Set(nx + fNXSegDip); | |
772 | for (int ix=0;ix<nx;ix++) segX[fNXSegDip+ix] = tmpSegX[ix]; | |
773 | begSegXDip[isg] = fNXSegDip; | |
774 | nsegXDip[isg] = nx; | |
775 | printf(" Found %d XSegments, to start from %d\n",nx, begSegXDip[isg]); | |
776 | // | |
777 | segID.Set(fNXSegDip+nx); | |
778 | // | |
779 | // find corresponding params | |
780 | xyz[1] = (tmpSegY[iy]+tmpSegY[iy+1])/2.; // mean Y of this segment | |
781 | // | |
782 | for (int ix=0;ix<nx;ix++) { | |
783 | xyz[0] = (tmpSegX[ix]+tmpSegX[ix+1])/2.; // mean X of this segment | |
784 | for (int ipar=0;ipar<fNParamsDip;ipar++) { | |
785 | AliCheb3D* cheb = (AliCheb3D*) fParamsDip->At(ipar); | |
786 | if (!cheb->IsInside(xyz)) continue; | |
787 | segID[fNXSegDip+ix] = ipar; | |
788 | break; | |
95d9681f | 789 | } |
da7cd221 | 790 | } |
791 | fNXSegDip += nx; | |
792 | // | |
793 | delete[] tmpSegX; | |
5de97576 | 794 | } |
da7cd221 | 795 | delete[] tmpSegY; |
796 | fNYSegDip += ny; | |
797 | } | |
798 | // | |
799 | fMinZDip = tmpSegZ[0]; | |
800 | fMaxZDip = tmpSegZ[fNZSegDip]; | |
801 | fSegZDip = new Float_t[fNZSegDip]; | |
802 | for (int i=fNZSegDip;i--;) fSegZDip[i] = tmpSegZ[i]; | |
803 | delete[] tmpSegZ; | |
804 | // | |
805 | fSegYDip = new Float_t[fNYSegDip]; | |
806 | fSegXDip = new Float_t[fNXSegDip]; | |
807 | fBegSegYDip = new Int_t[fNZSegDip]; | |
808 | fNSegYDip = new Int_t[fNZSegDip]; | |
809 | fBegSegXDip = new Int_t[fNYSegDip]; | |
810 | fNSegXDip = new Int_t[fNYSegDip]; | |
811 | fSegIDDip = new Int_t[fNXSegDip]; | |
812 | // | |
813 | for (int i=fNYSegDip;i--;) fSegYDip[i] = segY[i]; | |
814 | for (int i=fNXSegDip;i--;) fSegXDip[i] = segX[i]; | |
815 | for (int i=fNZSegDip;i--;) {fBegSegYDip[i] = begSegYDip[i]; fNSegYDip[i] = nsegYDip[i];} | |
816 | for (int i=fNYSegDip;i--;) {fBegSegXDip[i] = begSegXDip[i]; fNSegXDip[i] = nsegXDip[i];} | |
817 | for (int i=fNXSegDip;i--;) {fSegIDDip[i] = segID[i];} | |
818 | // | |
a1dde210 | 819 | } |
1d18ebe0 | 820 | */ |
a1dde210 | 821 | |
1d18ebe0 | 822 | //________________________________________________________________ |
da7cd221 | 823 | void AliMagWrapCheb::SaveData(const char* outfile) const |
824 | { | |
825 | // writes coefficients data to output text file | |
826 | TString strf = outfile; | |
827 | gSystem->ExpandPathName(strf); | |
828 | FILE* stream = fopen(strf,"w+"); | |
829 | // | |
830 | // Sol part --------------------------------------------------------- | |
831 | fprintf(stream,"# Set of Chebyshev parameterizations for ALICE magnetic field\nSTART %s\n",GetName()); | |
832 | fprintf(stream,"START SOLENOID\n#Number of pieces\n%d\n",fNParamsSol); | |
833 | for (int ip=0;ip<fNParamsSol;ip++) GetParamSol(ip)->SaveData(stream); | |
834 | fprintf(stream,"#\nEND SOLENOID\n"); | |
835 | // | |
836 | // TPCInt part --------------------------------------------------------- | |
837 | fprintf(stream,"# Set of Chebyshev parameterizations for ALICE magnetic field\nSTART %s\n",GetName()); | |
1d18ebe0 | 838 | fprintf(stream,"START TPCINT\n#Number of pieces\n%d\n",fNParamsTPC); |
839 | for (int ip=0;ip<fNParamsTPC;ip++) GetParamTPCInt(ip)->SaveData(stream); | |
da7cd221 | 840 | fprintf(stream,"#\nEND TPCINT\n"); |
841 | // | |
842 | // Dip part --------------------------------------------------------- | |
843 | fprintf(stream,"START DIPOLE\n#Number of pieces\n%d\n",fNParamsDip); | |
844 | for (int ip=0;ip<fNParamsDip;ip++) GetParamDip(ip)->SaveData(stream); | |
845 | fprintf(stream,"#\nEND DIPOLE\n"); | |
846 | // | |
847 | fprintf(stream,"#\nEND %s\n",GetName()); | |
848 | // | |
849 | fclose(stream); | |
850 | // | |
851 | } | |
852 | ||
1d18ebe0 | 853 | Int_t AliMagWrapCheb::SegmentDimension(float** seg,const TObjArray* par,int npar, int dim, |
da7cd221 | 854 | float xmn,float xmx,float ymn,float ymx,float zmn,float zmx) |
855 | { | |
856 | // find all boundaries in deimension dim for boxes in given region. | |
857 | // if mn>mx for given projection the check is not done for it. | |
858 | float *tmpC = new float[2*npar]; | |
859 | int *tmpInd = new int[2*npar]; | |
860 | int nseg0 = 0; | |
861 | for (int ip=0;ip<npar;ip++) { | |
862 | AliCheb3D* cheb = (AliCheb3D*) par->At(ip); | |
863 | if (xmn<xmx && (cheb->GetBoundMin(0)>(xmx+xmn)/2 || cheb->GetBoundMax(0)<(xmn+xmx)/2)) continue; | |
864 | if (ymn<ymx && (cheb->GetBoundMin(1)>(ymx+ymn)/2 || cheb->GetBoundMax(1)<(ymn+ymx)/2)) continue; | |
865 | if (zmn<zmx && (cheb->GetBoundMin(2)>(zmx+zmn)/2 || cheb->GetBoundMax(2)<(zmn+zmx)/2)) continue; | |
866 | // | |
867 | tmpC[nseg0++] = cheb->GetBoundMin(dim); | |
868 | tmpC[nseg0++] = cheb->GetBoundMax(dim); | |
869 | } | |
870 | // range Dim's boundaries in increasing order | |
871 | TMath::Sort(nseg0,tmpC,tmpInd,kFALSE); | |
872 | // count number of really different Z's | |
873 | int nseg = 0; | |
874 | float cprev = -1e6; | |
875 | for (int ip=0;ip<nseg0;ip++) { | |
876 | if (TMath::Abs(cprev-tmpC[ tmpInd[ip] ])>1e-4) { | |
877 | cprev = tmpC[ tmpInd[ip] ]; | |
878 | nseg++; | |
879 | } | |
880 | else tmpInd[ip] = -1; // supress redundant Z | |
881 | } | |
882 | // | |
883 | *seg = new float[nseg]; // create final Z segmenations | |
884 | nseg = 0; | |
885 | for (int ip=0;ip<nseg0;ip++) if (tmpInd[ip]>=0) (*seg)[nseg++] = tmpC[ tmpInd[ip] ]; | |
886 | // | |
887 | delete[] tmpC; | |
888 | delete[] tmpInd; | |
889 | return nseg; | |
890 | } | |
891 | ||
892 | #endif | |
893 |