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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 |
db83d72f | 284 | // |
e27dc75a | 285 | Bool_t reCheck = kFALSE; |
286 | while(1) { | |
287 | int ysegBeg = fBegSegYDip[zid]; | |
288 | // | |
289 | for (yid=0;yid<fNSegYDip[zid];yid++) if (xyz[1]<fSegYDip[ysegBeg+yid]) break; | |
290 | if ( --yid < 0 ) yid = 0; | |
291 | yid += ysegBeg; | |
292 | // | |
293 | int xsegBeg = fBegSegXDip[yid]; | |
294 | for (xid=0;xid<fNSegXDip[yid];xid++) if (xyz[0]<fSegXDip[xsegBeg+xid]) break; | |
295 | // | |
296 | if ( --xid < 0) xid = 0; | |
297 | xid += xsegBeg; | |
298 | // | |
299 | // to make sure that due to the precision problems we did not pick the next Zbin | |
300 | if (!reCheck && (xyz[2] - fSegZDip[zid] < 3.e-5) && zid && | |
301 | !GetParamDip(fSegIDDip[xid])->IsInside(xyz)) { // check the previous Z bin | |
302 | zid--; | |
303 | reCheck = kTRUE; | |
304 | continue; | |
305 | } | |
306 | break; | |
307 | } | |
db83d72f | 308 | return fSegIDDip[xid]; |
a1dde210 | 309 | } |
310 | ||
1d18ebe0 | 311 | //__________________________________________________________________________________________________ |
312 | Int_t AliMagWrapCheb::FindSolSegment(const Double_t *rpz) const | |
313 | { | |
314 | // find the segment containing point xyz. If it is outside find the closest segment | |
315 | if (!fNParamsSol) return -1; | |
316 | int rid,pid,zid = TMath::BinarySearch(fNZSegSol,fSegZSol,(Float_t)rpz[2]); // find zsegment | |
1d18ebe0 | 317 | // |
e27dc75a | 318 | Bool_t reCheck = kFALSE; |
319 | while(1) { | |
320 | int psegBeg = fBegSegPSol[zid]; | |
321 | for (pid=0;pid<fNSegPSol[zid];pid++) if (rpz[1]<fSegPSol[psegBeg+pid]) break; | |
322 | if ( --pid < 0 ) pid = 0; | |
323 | pid += psegBeg; | |
324 | // | |
325 | int rsegBeg = fBegSegRSol[pid]; | |
326 | for (rid=0;rid<fNSegRSol[pid];rid++) if (rpz[0]<fSegRSol[rsegBeg+rid]) break; | |
327 | if ( --rid < 0) rid = 0; | |
328 | rid += rsegBeg; | |
329 | // | |
330 | // to make sure that due to the precision problems we did not pick the next Zbin | |
331 | if (!reCheck && (rpz[2] - fSegZSol[zid] < 3.e-5) && zid && | |
332 | !GetParamSol(fSegIDSol[rid])->IsInside(rpz)) { // check the previous Z bin | |
333 | zid--; | |
334 | reCheck = kTRUE; | |
335 | continue; | |
336 | } | |
337 | break; | |
338 | } | |
1d18ebe0 | 339 | return fSegIDSol[rid]; |
340 | } | |
341 | ||
342 | //__________________________________________________________________________________________________ | |
343 | Int_t AliMagWrapCheb::FindTPCSegment(const Double_t *rpz) const | |
344 | { | |
345 | // find the segment containing point xyz. If it is outside find the closest segment | |
346 | if (!fNParamsTPC) return -1; | |
347 | int rid,pid,zid = TMath::BinarySearch(fNZSegTPC,fSegZTPC,(Float_t)rpz[2]); // find zsegment | |
1d18ebe0 | 348 | // |
e27dc75a | 349 | Bool_t reCheck = kFALSE; |
350 | while(1) { | |
351 | int psegBeg = fBegSegPTPC[zid]; | |
352 | // | |
353 | for (pid=0;pid<fNSegPTPC[zid];pid++) if (rpz[1]<fSegPTPC[psegBeg+pid]) break; | |
354 | if ( --pid < 0 ) pid = 0; | |
355 | pid += psegBeg; | |
356 | // | |
357 | int rsegBeg = fBegSegRTPC[pid]; | |
358 | for (rid=0;rid<fNSegRTPC[pid];rid++) if (rpz[0]<fSegRTPC[rsegBeg+rid]) break; | |
359 | if ( --rid < 0) rid = 0; | |
360 | rid += rsegBeg; | |
361 | // | |
362 | // to make sure that due to the precision problems we did not pick the next Zbin | |
363 | if (!reCheck && (rpz[2] - fSegZSol[zid] < 3.e-5) && zid && | |
364 | !GetParamSol(fSegIDSol[rid])->IsInside(rpz)) { // check the previous Z bin | |
365 | zid--; | |
366 | reCheck = kTRUE; | |
367 | continue; | |
368 | } | |
369 | break; | |
370 | } | |
1d18ebe0 | 371 | return fSegIDTPC[rid]; |
372 | } | |
373 | ||
374 | ||
da7cd221 | 375 | //__________________________________________________________________________________________ |
db83d72f | 376 | void AliMagWrapCheb::GetTPCInt(const Double_t *xyz, Double_t *b) const |
a1dde210 | 377 | { |
da7cd221 | 378 | // compute TPC region field integral in cartesian coordinates. |
379 | // If point is outside of the parameterized region get it at closeset valid point | |
db83d72f | 380 | static Double_t rphiz[3]; |
da7cd221 | 381 | // |
382 | // TPCInt region | |
383 | // convert coordinates to cyl system | |
384 | CartToCyl(xyz,rphiz); | |
385 | #ifndef _BRING_TO_BOUNDARY_ | |
386 | if ( (rphiz[2]>GetMaxZTPCInt()||rphiz[2]<GetMinZTPCInt()) || | |
387 | rphiz[0]>GetMaxRTPCInt()) {for (int i=3;i--;) b[i]=0; return;} | |
388 | #endif | |
389 | // | |
390 | GetTPCIntCyl(rphiz,b); | |
391 | // | |
392 | // convert field to cartesian system | |
393 | CylToCartCylB(rphiz, b,b); | |
394 | // | |
395 | } | |
396 | ||
397 | //__________________________________________________________________________________________ | |
db83d72f | 398 | void AliMagWrapCheb::FieldCylSol(const Double_t *rphiz, Double_t *b) const |
da7cd221 | 399 | { |
400 | // compute Solenoid field in Cylindircal coordinates | |
401 | // note: if the point is outside the volume get the field in closest parameterized point | |
1d18ebe0 | 402 | int id = FindSolSegment(rphiz); |
403 | if (id<0) return; | |
404 | AliCheb3D* par = GetParamSol(id); | |
405 | #ifndef _BRING_TO_BOUNDARY_ // exact matching to fitted volume is requested | |
406 | if (!par->IsInside(rphiz)) return; | |
407 | #endif | |
408 | par->Eval(rphiz,b); | |
409 | return; | |
da7cd221 | 410 | // |
411 | } | |
412 | ||
413 | //__________________________________________________________________________________________ | |
db83d72f | 414 | Double_t AliMagWrapCheb::FieldCylSolBz(const Double_t *rphiz) const |
da7cd221 | 415 | { |
416 | // compute Solenoid field in Cylindircal coordinates | |
417 | // note: if the point is outside the volume get the field in closest parameterized point | |
1d18ebe0 | 418 | int id = FindSolSegment(rphiz); |
419 | if (id<0) return 0.; | |
420 | AliCheb3D* par = GetParamSol(id); | |
421 | #ifndef _BRING_TO_BOUNDARY_ | |
422 | return par->IsInside(rphiz) ? par->Eval(rphiz,2) : 0; | |
423 | #endif | |
424 | return par->Eval(rphiz,2); | |
a1dde210 | 425 | // |
a1dde210 | 426 | } |
427 | ||
da7cd221 | 428 | //__________________________________________________________________________________________ |
db83d72f | 429 | void AliMagWrapCheb::GetTPCIntCyl(const Double_t *rphiz, Double_t *b) const |
a1dde210 | 430 | { |
da7cd221 | 431 | // compute field integral in TPC region in Cylindircal coordinates |
432 | // note: the check for the point being inside the parameterized region is done outside | |
1d18ebe0 | 433 | int id = FindTPCSegment(rphiz); |
434 | if (id<0) { | |
435 | b[0] = b[1] = b[2] = 0; | |
436 | return; | |
437 | } | |
438 | AliCheb3D* par = GetParamTPCInt(id); | |
439 | if (par->IsInside(rphiz)) {par->Eval(rphiz,b); return;} | |
440 | b[0] = b[1] = b[2] = 0; | |
441 | return; | |
da7cd221 | 442 | // |
a1dde210 | 443 | } |
444 | ||
da7cd221 | 445 | |
da7cd221 | 446 | #ifdef _INC_CREATION_ALICHEB3D_ |
447 | //_______________________________________________ | |
448 | void AliMagWrapCheb::LoadData(const char* inpfile) | |
449 | { | |
450 | // read coefficients data from the text file | |
451 | // | |
452 | TString strf = inpfile; | |
453 | gSystem->ExpandPathName(strf); | |
454 | FILE* stream = fopen(strf,"r"); | |
455 | if (!stream) { | |
456 | printf("Did not find input file %s\n",strf.Data()); | |
457 | return; | |
458 | } | |
459 | // | |
460 | TString buffs; | |
461 | AliCheb3DCalc::ReadLine(buffs,stream); | |
462 | if (!buffs.BeginsWith("START")) { | |
463 | Error("LoadData","Expected: \"START <name>\", found \"%s\"\nStop\n",buffs.Data()); | |
464 | exit(1); | |
465 | } | |
466 | if (buffs.First(' ')>0) SetName(buffs.Data()+buffs.First(' ')+1); | |
467 | // | |
468 | // Solenoid part ----------------------------------------------------------- | |
469 | AliCheb3DCalc::ReadLine(buffs,stream); | |
470 | if (!buffs.BeginsWith("START SOLENOID")) { | |
471 | Error("LoadData","Expected: \"START SOLENOID\", found \"%s\"\nStop\n",buffs.Data()); | |
472 | exit(1); | |
473 | } | |
474 | AliCheb3DCalc::ReadLine(buffs,stream); // nparam | |
475 | int nparSol = buffs.Atoi(); | |
476 | // | |
477 | for (int ip=0;ip<nparSol;ip++) { | |
478 | AliCheb3D* cheb = new AliCheb3D(); | |
479 | cheb->LoadData(stream); | |
480 | AddParamSol(cheb); | |
481 | } | |
482 | // | |
483 | AliCheb3DCalc::ReadLine(buffs,stream); | |
484 | if (!buffs.BeginsWith("END SOLENOID")) { | |
485 | Error("LoadData","Expected \"END SOLENOID\", found \"%s\"\nStop\n",buffs.Data()); | |
486 | exit(1); | |
487 | } | |
488 | // | |
489 | // TPCInt part ----------------------------------------------------------- | |
490 | AliCheb3DCalc::ReadLine(buffs,stream); | |
491 | if (!buffs.BeginsWith("START TPCINT")) { | |
492 | Error("LoadData","Expected: \"START TPCINT\", found \"%s\"\nStop\n",buffs.Data()); | |
493 | exit(1); | |
494 | } | |
495 | AliCheb3DCalc::ReadLine(buffs,stream); // nparam | |
496 | int nparTPCInt = buffs.Atoi(); | |
497 | // | |
498 | for (int ip=0;ip<nparTPCInt;ip++) { | |
499 | AliCheb3D* cheb = new AliCheb3D(); | |
500 | cheb->LoadData(stream); | |
501 | AddParamTPCInt(cheb); | |
502 | } | |
503 | // | |
504 | AliCheb3DCalc::ReadLine(buffs,stream); | |
505 | if (!buffs.BeginsWith("END TPCINT")) { | |
506 | Error("LoadData","Expected \"END TPCINT\", found \"%s\"\nStop\n",buffs.Data()); | |
507 | exit(1); | |
508 | } | |
509 | // | |
510 | // Dipole part ----------------------------------------------------------- | |
511 | AliCheb3DCalc::ReadLine(buffs,stream); | |
512 | if (!buffs.BeginsWith("START DIPOLE")) { | |
513 | Error("LoadData","Expected: \"START DIPOLE\", found \"%s\"\nStop\n",buffs.Data()); | |
514 | exit(1); | |
515 | } | |
516 | AliCheb3DCalc::ReadLine(buffs,stream); // nparam | |
517 | int nparDip = buffs.Atoi(); | |
518 | // | |
519 | for (int ip=0;ip<nparDip;ip++) { | |
520 | AliCheb3D* cheb = new AliCheb3D(); | |
521 | cheb->LoadData(stream); | |
522 | AddParamDip(cheb); | |
523 | } | |
524 | // | |
525 | AliCheb3DCalc::ReadLine(buffs,stream); | |
526 | if (!buffs.BeginsWith("END DIPOLE")) { | |
527 | Error("LoadData","Expected \"END DIPOLE\", found \"%s\"\nStop\n",GetName(),buffs.Data()); | |
528 | exit(1); | |
529 | } | |
530 | // | |
531 | AliCheb3DCalc::ReadLine(buffs,stream); | |
532 | if (!buffs.BeginsWith("END") || !buffs.Contains(GetName())) { | |
533 | Error("LoadData","Expected: \"END %s\", found \"%s\"\nStop\n",GetName(),buffs.Data()); | |
534 | exit(1); | |
535 | } | |
536 | // | |
537 | // --------------------------------------------------------------------------- | |
538 | fclose(stream); | |
539 | BuildTableSol(); | |
da7cd221 | 540 | BuildTableDip(); |
1d18ebe0 | 541 | BuildTableTPCInt(); |
542 | // | |
da7cd221 | 543 | printf("Loaded magnetic field \"%s\" from %s\n",GetName(),strf.Data()); |
544 | // | |
545 | } | |
1d18ebe0 | 546 | |
547 | //__________________________________________________________________________________________ | |
548 | void AliMagWrapCheb::BuildTableSol() | |
549 | { | |
550 | BuildTable(fNParamsSol,fParamsSol, | |
551 | fNZSegSol,fNPSegSol,fNRSegSol, | |
552 | fMinZSol,fMaxZSol, | |
553 | &fSegZSol,&fSegPSol,&fSegRSol, | |
554 | &fBegSegPSol,&fNSegPSol, | |
555 | &fBegSegRSol,&fNSegRSol, | |
556 | &fSegIDSol); | |
557 | } | |
558 | ||
559 | //__________________________________________________________________________________________ | |
560 | void AliMagWrapCheb::BuildTableDip() | |
561 | { | |
562 | BuildTable(fNParamsDip,fParamsDip, | |
563 | fNZSegDip,fNYSegDip,fNXSegDip, | |
564 | fMinZDip,fMaxZDip, | |
565 | &fSegZDip,&fSegYDip,&fSegXDip, | |
566 | &fBegSegYDip,&fNSegYDip, | |
567 | &fBegSegXDip,&fNSegXDip, | |
568 | &fSegIDDip); | |
569 | } | |
570 | ||
571 | //__________________________________________________________________________________________ | |
572 | void AliMagWrapCheb::BuildTableTPCInt() | |
573 | { | |
574 | BuildTable(fNParamsTPC,fParamsTPC, | |
575 | fNZSegTPC,fNPSegTPC,fNRSegTPC, | |
576 | fMinZTPC,fMaxZTPC, | |
577 | &fSegZTPC,&fSegPTPC,&fSegRTPC, | |
578 | &fBegSegPTPC,&fNSegPTPC, | |
579 | &fBegSegRTPC,&fNSegRTPC, | |
580 | &fSegIDTPC); | |
581 | } | |
582 | ||
da7cd221 | 583 | #endif |
ff66b122 | 584 | |
da7cd221 | 585 | //_______________________________________________ |
586 | #ifdef _INC_CREATION_ALICHEB3D_ | |
587 | ||
588 | //__________________________________________________________________________________________ | |
589 | AliMagWrapCheb::AliMagWrapCheb(const char* inputFile) : | |
1d18ebe0 | 590 | fNParamsSol(0),fNZSegSol(0),fNPSegSol(0),fNRSegSol(0), |
591 | fSegZSol(0),fSegPSol(0),fSegRSol(0), | |
592 | fBegSegPSol(0),fNSegPSol(0),fBegSegRSol(0),fNSegRSol(0),fSegIDSol(0),fMinZSol(1.e6),fMaxZSol(-1.e6),fParamsSol(0),fMaxRSol(0), | |
da7cd221 | 593 | // |
1d18ebe0 | 594 | fNParamsTPC(0),fNZSegTPC(0),fNPSegTPC(0),fNRSegTPC(0), |
595 | fSegZTPC(0),fSegPTPC(0),fSegRTPC(0), | |
596 | fBegSegPTPC(0),fNSegPTPC(0),fBegSegRTPC(0),fNSegRTPC(0),fSegIDTPC(0),fMinZTPC(1.e6),fMaxZTPC(-1.e6),fParamsTPC(0),fMaxRTPC(0), | |
da7cd221 | 597 | // |
1d18ebe0 | 598 | fNParamsDip(0),fNZSegDip(0),fNYSegDip(0),fNXSegDip(0), |
599 | fSegZDip(0),fSegYDip(0),fSegXDip(0), | |
600 | fBegSegYDip(0),fNSegYDip(0),fBegSegXDip(0),fNSegXDip(0),fSegIDDip(0),fMinZDip(1.e6),fMaxZDip(-1.e6),fParamsDip(0) | |
da7cd221 | 601 | // |
602 | { | |
603 | // construct from coeffs from the text file | |
604 | LoadData(inputFile); | |
605 | } | |
606 | ||
607 | //__________________________________________________________________________________________ | |
608 | void AliMagWrapCheb::AddParamSol(const AliCheb3D* param) | |
609 | { | |
610 | // adds new parameterization piece for Sol | |
611 | // NOTE: pieces must be added strictly in increasing R then increasing Z order | |
612 | // | |
613 | if (!fParamsSol) fParamsSol = new TObjArray(); | |
614 | fParamsSol->Add( (AliCheb3D*)param ); | |
615 | fNParamsSol++; | |
1d18ebe0 | 616 | if (fMaxRSol<param->GetBoundMax(0)) fMaxRSol = param->GetBoundMax(0); |
da7cd221 | 617 | // |
618 | } | |
619 | ||
620 | //__________________________________________________________________________________________ | |
621 | void AliMagWrapCheb::AddParamTPCInt(const AliCheb3D* param) | |
622 | { | |
623 | // adds new parameterization piece for TPCInt | |
624 | // NOTE: pieces must be added strictly in increasing R then increasing Z order | |
625 | // | |
1d18ebe0 | 626 | if (!fParamsTPC) fParamsTPC = new TObjArray(); |
627 | fParamsTPC->Add( (AliCheb3D*)param); | |
628 | fNParamsTPC++; | |
629 | if (fMaxRTPC<param->GetBoundMax(0)) fMaxRTPC = param->GetBoundMax(0); | |
da7cd221 | 630 | // |
631 | } | |
632 | ||
633 | //__________________________________________________________________________________________ | |
634 | void AliMagWrapCheb::AddParamDip(const AliCheb3D* param) | |
a1dde210 | 635 | { |
da7cd221 | 636 | // adds new parameterization piece for Dipole |
a1dde210 | 637 | // |
da7cd221 | 638 | if (!fParamsDip) fParamsDip = new TObjArray(); |
639 | fParamsDip->Add( (AliCheb3D*)param); | |
640 | fNParamsDip++; | |
641 | // | |
642 | } | |
643 | ||
644 | //__________________________________________________________________________________________ | |
645 | void AliMagWrapCheb::ResetTPCInt() | |
646 | { | |
647 | // clean TPC field integral (used for update) | |
1d18ebe0 | 648 | if (fNParamsTPC) { |
649 | delete fParamsTPC; fParamsTPC = 0; | |
650 | delete[] fSegZTPC; fSegZTPC = 0; | |
651 | delete[] fSegPTPC; fSegPTPC = 0; | |
652 | delete[] fSegRTPC; fSegRTPC = 0; | |
653 | delete[] fBegSegPTPC; fBegSegPTPC = 0; | |
654 | delete[] fNSegPTPC; fNSegPTPC = 0; | |
655 | delete[] fBegSegRTPC; fBegSegRTPC = 0; | |
656 | delete[] fNSegRTPC; fNSegRTPC = 0; | |
657 | delete[] fSegIDTPC; fSegIDTPC = 0; | |
658 | } | |
659 | fNParamsTPC = fNZSegTPC = fNPSegTPC = fNRSegTPC = 0; | |
660 | fMinZTPC = 1e6; | |
661 | fMaxZTPC = -1e6; | |
662 | fMaxRTPC = 0; | |
663 | // | |
664 | } | |
665 | ||
666 | ||
667 | //__________________________________________________ | |
668 | void AliMagWrapCheb::BuildTable(Int_t npar,TObjArray *parArr, Int_t &nZSeg, Int_t &nYSeg, Int_t &nXSeg, | |
669 | Float_t &minZ,Float_t &maxZ, | |
670 | Float_t **segZ,Float_t **segY,Float_t **segX, | |
671 | Int_t **begSegY,Int_t **nSegY, | |
672 | Int_t **begSegX,Int_t **nSegX, | |
673 | Int_t **segID) | |
674 | { | |
675 | // build lookup table for dipole | |
676 | // | |
677 | if (npar<1) return; | |
678 | TArrayF segYArr,segXArr; | |
679 | TArrayI begSegYDipArr,begSegXDipArr; | |
680 | TArrayI nSegYDipArr,nSegXDipArr; | |
681 | TArrayI segIDArr; | |
682 | float *tmpSegZ,*tmpSegY,*tmpSegX; | |
683 | // | |
684 | // create segmentation in Z | |
685 | nZSeg = SegmentDimension(&tmpSegZ, parArr, npar, 2, 1,-1, 1,-1, 1,-1) - 1; | |
686 | nYSeg = 0; | |
687 | nXSeg = 0; | |
688 | // | |
689 | // for each Z slice create segmentation in Y | |
690 | begSegYDipArr.Set(nZSeg); | |
691 | nSegYDipArr.Set(nZSeg); | |
692 | float xyz[3]; | |
693 | for (int iz=0;iz<nZSeg;iz++) { | |
694 | printf("\nZSegment#%d %+e : %+e\n",iz,tmpSegZ[iz],tmpSegZ[iz+1]); | |
695 | int ny = SegmentDimension(&tmpSegY, parArr, npar, 1, | |
696 | 1,-1, 1,-1, tmpSegZ[iz],tmpSegZ[iz+1]) - 1; | |
697 | segYArr.Set(ny + nYSeg); | |
698 | for (int iy=0;iy<ny;iy++) segYArr[nYSeg+iy] = tmpSegY[iy]; | |
699 | begSegYDipArr[iz] = nYSeg; | |
700 | nSegYDipArr[iz] = ny; | |
701 | printf(" Found %d YSegments, to start from %d\n",ny, begSegYDipArr[iz]); | |
702 | // | |
703 | // for each slice in Z and Y create segmentation in X | |
704 | begSegXDipArr.Set(nYSeg+ny); | |
705 | nSegXDipArr.Set(nYSeg+ny); | |
706 | xyz[2] = (tmpSegZ[iz]+tmpSegZ[iz+1])/2.; // mean Z of this segment | |
707 | // | |
708 | for (int iy=0;iy<ny;iy++) { | |
709 | int isg = nYSeg+iy; | |
710 | printf("\n YSegment#%d %+e : %+e\n",iy, tmpSegY[iy],tmpSegY[iy+1]); | |
711 | int nx = SegmentDimension(&tmpSegX, parArr, npar, 0, | |
712 | 1,-1, tmpSegY[iy],tmpSegY[iy+1], tmpSegZ[iz],tmpSegZ[iz+1]) - 1; | |
713 | // | |
714 | segXArr.Set(nx + nXSeg); | |
715 | for (int ix=0;ix<nx;ix++) segXArr[nXSeg+ix] = tmpSegX[ix]; | |
716 | begSegXDipArr[isg] = nXSeg; | |
717 | nSegXDipArr[isg] = nx; | |
718 | printf(" Found %d XSegments, to start from %d\n",nx, begSegXDipArr[isg]); | |
719 | // | |
720 | segIDArr.Set(nXSeg+nx); | |
721 | // | |
722 | // find corresponding params | |
723 | xyz[1] = (tmpSegY[iy]+tmpSegY[iy+1])/2.; // mean Y of this segment | |
724 | // | |
725 | for (int ix=0;ix<nx;ix++) { | |
726 | xyz[0] = (tmpSegX[ix]+tmpSegX[ix+1])/2.; // mean X of this segment | |
727 | for (int ipar=0;ipar<npar;ipar++) { | |
728 | AliCheb3D* cheb = (AliCheb3D*) parArr->At(ipar); | |
729 | if (!cheb->IsInside(xyz)) continue; | |
730 | segIDArr[nXSeg+ix] = ipar; | |
731 | break; | |
732 | } | |
733 | } | |
734 | nXSeg += nx; | |
735 | // | |
736 | delete[] tmpSegX; | |
737 | } | |
738 | delete[] tmpSegY; | |
739 | nYSeg += ny; | |
740 | } | |
741 | // | |
742 | minZ = tmpSegZ[0]; | |
743 | maxZ = tmpSegZ[nZSeg]; | |
744 | (*segZ) = new Float_t[nZSeg]; | |
745 | for (int i=nZSeg;i--;) (*segZ)[i] = tmpSegZ[i]; | |
746 | delete[] tmpSegZ; | |
747 | // | |
748 | (*segY) = new Float_t[nYSeg]; | |
749 | (*segX) = new Float_t[nXSeg]; | |
750 | (*begSegY) = new Int_t[nZSeg]; | |
751 | (*nSegY) = new Int_t[nZSeg]; | |
752 | (*begSegX) = new Int_t[nYSeg]; | |
753 | (*nSegX) = new Int_t[nYSeg]; | |
754 | (*segID) = new Int_t[nXSeg]; | |
755 | // | |
756 | for (int i=nYSeg;i--;) (*segY)[i] = segYArr[i]; | |
757 | for (int i=nXSeg;i--;) (*segX)[i] = segXArr[i]; | |
758 | for (int i=nZSeg;i--;) {(*begSegY)[i] = begSegYDipArr[i]; (*nSegY)[i] = nSegYDipArr[i];} | |
759 | for (int i=nYSeg;i--;) {(*begSegX)[i] = begSegXDipArr[i]; (*nSegX)[i] = nSegXDipArr[i];} | |
760 | for (int i=nXSeg;i--;) {(*segID)[i] = segIDArr[i];} | |
da7cd221 | 761 | // |
762 | } | |
763 | ||
1d18ebe0 | 764 | /* |
da7cd221 | 765 | //__________________________________________________ |
766 | void AliMagWrapCheb::BuildTableDip() | |
767 | { | |
768 | // build lookup table for dipole | |
769 | // | |
82d1e556 | 770 | if (fNParamsDip<1) return; |
da7cd221 | 771 | TArrayF segY,segX; |
772 | TArrayI begSegYDip,begSegXDip; | |
773 | TArrayI nsegYDip,nsegXDip; | |
774 | TArrayI segID; | |
775 | float *tmpSegZ,*tmpSegY,*tmpSegX; | |
776 | // | |
777 | // create segmentation in Z | |
1d18ebe0 | 778 | fNZSegDip = SegmentDimension(&tmpSegZ, fParamsDip, fNParamsDip, 2, 1,-1, 1,-1, 1,-1) - 1; |
da7cd221 | 779 | fNYSegDip = 0; |
780 | fNXSegDip = 0; | |
781 | // | |
782 | // for each Z slice create segmentation in Y | |
783 | begSegYDip.Set(fNZSegDip); | |
784 | nsegYDip.Set(fNZSegDip); | |
785 | float xyz[3]; | |
786 | for (int iz=0;iz<fNZSegDip;iz++) { | |
787 | printf("\nZSegment#%d %+e : %+e\n",iz,tmpSegZ[iz],tmpSegZ[iz+1]); | |
1d18ebe0 | 788 | int ny = SegmentDimension(&tmpSegY, fParamsDip, fNParamsDip, 1, |
da7cd221 | 789 | 1,-1, 1,-1, tmpSegZ[iz],tmpSegZ[iz+1]) - 1; |
790 | segY.Set(ny + fNYSegDip); | |
791 | for (int iy=0;iy<ny;iy++) segY[fNYSegDip+iy] = tmpSegY[iy]; | |
792 | begSegYDip[iz] = fNYSegDip; | |
793 | nsegYDip[iz] = ny; | |
794 | printf(" Found %d YSegments, to start from %d\n",ny, begSegYDip[iz]); | |
795 | // | |
796 | // for each slice in Z and Y create segmentation in X | |
797 | begSegXDip.Set(fNYSegDip+ny); | |
798 | nsegXDip.Set(fNYSegDip+ny); | |
799 | xyz[2] = (tmpSegZ[iz]+tmpSegZ[iz+1])/2.; // mean Z of this segment | |
800 | // | |
801 | for (int iy=0;iy<ny;iy++) { | |
802 | int isg = fNYSegDip+iy; | |
803 | printf("\n YSegment#%d %+e : %+e\n",iy, tmpSegY[iy],tmpSegY[iy+1]); | |
1d18ebe0 | 804 | int nx = SegmentDimension(&tmpSegX, fParamsDip, fNParamsDip, 0, |
805 | 1,-1, tmpSegY[iy],tmpSegY[iy+1], tmpSegZ[iz],tmpSegZ[iz+1]) - 1; | |
da7cd221 | 806 | // |
807 | segX.Set(nx + fNXSegDip); | |
808 | for (int ix=0;ix<nx;ix++) segX[fNXSegDip+ix] = tmpSegX[ix]; | |
809 | begSegXDip[isg] = fNXSegDip; | |
810 | nsegXDip[isg] = nx; | |
811 | printf(" Found %d XSegments, to start from %d\n",nx, begSegXDip[isg]); | |
812 | // | |
813 | segID.Set(fNXSegDip+nx); | |
814 | // | |
815 | // find corresponding params | |
816 | xyz[1] = (tmpSegY[iy]+tmpSegY[iy+1])/2.; // mean Y of this segment | |
817 | // | |
818 | for (int ix=0;ix<nx;ix++) { | |
819 | xyz[0] = (tmpSegX[ix]+tmpSegX[ix+1])/2.; // mean X of this segment | |
820 | for (int ipar=0;ipar<fNParamsDip;ipar++) { | |
821 | AliCheb3D* cheb = (AliCheb3D*) fParamsDip->At(ipar); | |
822 | if (!cheb->IsInside(xyz)) continue; | |
823 | segID[fNXSegDip+ix] = ipar; | |
824 | break; | |
95d9681f | 825 | } |
da7cd221 | 826 | } |
827 | fNXSegDip += nx; | |
828 | // | |
829 | delete[] tmpSegX; | |
5de97576 | 830 | } |
da7cd221 | 831 | delete[] tmpSegY; |
832 | fNYSegDip += ny; | |
833 | } | |
834 | // | |
835 | fMinZDip = tmpSegZ[0]; | |
836 | fMaxZDip = tmpSegZ[fNZSegDip]; | |
837 | fSegZDip = new Float_t[fNZSegDip]; | |
838 | for (int i=fNZSegDip;i--;) fSegZDip[i] = tmpSegZ[i]; | |
839 | delete[] tmpSegZ; | |
840 | // | |
841 | fSegYDip = new Float_t[fNYSegDip]; | |
842 | fSegXDip = new Float_t[fNXSegDip]; | |
843 | fBegSegYDip = new Int_t[fNZSegDip]; | |
844 | fNSegYDip = new Int_t[fNZSegDip]; | |
845 | fBegSegXDip = new Int_t[fNYSegDip]; | |
846 | fNSegXDip = new Int_t[fNYSegDip]; | |
847 | fSegIDDip = new Int_t[fNXSegDip]; | |
848 | // | |
849 | for (int i=fNYSegDip;i--;) fSegYDip[i] = segY[i]; | |
850 | for (int i=fNXSegDip;i--;) fSegXDip[i] = segX[i]; | |
851 | for (int i=fNZSegDip;i--;) {fBegSegYDip[i] = begSegYDip[i]; fNSegYDip[i] = nsegYDip[i];} | |
852 | for (int i=fNYSegDip;i--;) {fBegSegXDip[i] = begSegXDip[i]; fNSegXDip[i] = nsegXDip[i];} | |
853 | for (int i=fNXSegDip;i--;) {fSegIDDip[i] = segID[i];} | |
854 | // | |
a1dde210 | 855 | } |
1d18ebe0 | 856 | */ |
a1dde210 | 857 | |
1d18ebe0 | 858 | //________________________________________________________________ |
da7cd221 | 859 | void AliMagWrapCheb::SaveData(const char* outfile) const |
860 | { | |
861 | // writes coefficients data to output text file | |
862 | TString strf = outfile; | |
863 | gSystem->ExpandPathName(strf); | |
864 | FILE* stream = fopen(strf,"w+"); | |
865 | // | |
866 | // Sol part --------------------------------------------------------- | |
867 | fprintf(stream,"# Set of Chebyshev parameterizations for ALICE magnetic field\nSTART %s\n",GetName()); | |
868 | fprintf(stream,"START SOLENOID\n#Number of pieces\n%d\n",fNParamsSol); | |
869 | for (int ip=0;ip<fNParamsSol;ip++) GetParamSol(ip)->SaveData(stream); | |
870 | fprintf(stream,"#\nEND SOLENOID\n"); | |
871 | // | |
872 | // TPCInt part --------------------------------------------------------- | |
873 | fprintf(stream,"# Set of Chebyshev parameterizations for ALICE magnetic field\nSTART %s\n",GetName()); | |
1d18ebe0 | 874 | fprintf(stream,"START TPCINT\n#Number of pieces\n%d\n",fNParamsTPC); |
875 | for (int ip=0;ip<fNParamsTPC;ip++) GetParamTPCInt(ip)->SaveData(stream); | |
da7cd221 | 876 | fprintf(stream,"#\nEND TPCINT\n"); |
877 | // | |
878 | // Dip part --------------------------------------------------------- | |
879 | fprintf(stream,"START DIPOLE\n#Number of pieces\n%d\n",fNParamsDip); | |
880 | for (int ip=0;ip<fNParamsDip;ip++) GetParamDip(ip)->SaveData(stream); | |
881 | fprintf(stream,"#\nEND DIPOLE\n"); | |
882 | // | |
883 | fprintf(stream,"#\nEND %s\n",GetName()); | |
884 | // | |
885 | fclose(stream); | |
886 | // | |
887 | } | |
888 | ||
1d18ebe0 | 889 | Int_t AliMagWrapCheb::SegmentDimension(float** seg,const TObjArray* par,int npar, int dim, |
da7cd221 | 890 | float xmn,float xmx,float ymn,float ymx,float zmn,float zmx) |
891 | { | |
892 | // find all boundaries in deimension dim for boxes in given region. | |
893 | // if mn>mx for given projection the check is not done for it. | |
894 | float *tmpC = new float[2*npar]; | |
895 | int *tmpInd = new int[2*npar]; | |
896 | int nseg0 = 0; | |
897 | for (int ip=0;ip<npar;ip++) { | |
898 | AliCheb3D* cheb = (AliCheb3D*) par->At(ip); | |
899 | if (xmn<xmx && (cheb->GetBoundMin(0)>(xmx+xmn)/2 || cheb->GetBoundMax(0)<(xmn+xmx)/2)) continue; | |
900 | if (ymn<ymx && (cheb->GetBoundMin(1)>(ymx+ymn)/2 || cheb->GetBoundMax(1)<(ymn+ymx)/2)) continue; | |
901 | if (zmn<zmx && (cheb->GetBoundMin(2)>(zmx+zmn)/2 || cheb->GetBoundMax(2)<(zmn+zmx)/2)) continue; | |
902 | // | |
903 | tmpC[nseg0++] = cheb->GetBoundMin(dim); | |
904 | tmpC[nseg0++] = cheb->GetBoundMax(dim); | |
905 | } | |
906 | // range Dim's boundaries in increasing order | |
907 | TMath::Sort(nseg0,tmpC,tmpInd,kFALSE); | |
908 | // count number of really different Z's | |
909 | int nseg = 0; | |
910 | float cprev = -1e6; | |
911 | for (int ip=0;ip<nseg0;ip++) { | |
912 | if (TMath::Abs(cprev-tmpC[ tmpInd[ip] ])>1e-4) { | |
913 | cprev = tmpC[ tmpInd[ip] ]; | |
914 | nseg++; | |
915 | } | |
916 | else tmpInd[ip] = -1; // supress redundant Z | |
917 | } | |
918 | // | |
919 | *seg = new float[nseg]; // create final Z segmenations | |
920 | nseg = 0; | |
921 | for (int ip=0;ip<nseg0;ip++) if (tmpInd[ip]>=0) (*seg)[nseg++] = tmpC[ tmpInd[ip] ]; | |
922 | // | |
923 | delete[] tmpC; | |
924 | delete[] tmpInd; | |
925 | return nseg; | |
926 | } | |
927 | ||
928 | #endif | |
929 |