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b79e4bc3 | 1 | #ifndef ALIITSGEOM_H |
2 | #define ALIITSGEOM_H | |
3da30618 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
58005f18 | 8 | ///////////////////////////////////////////////////////////////////////// |
9 | // ITS geometry manipulation routines. | |
10 | // Created April 15 1999. | |
11 | // version: 0.0.0 | |
12 | // By: Bjorn S. Nilsen | |
13 | // | |
14 | // A package of geometry routines to do transformations between | |
15 | // local, detector active area, and ALICE global coordinate system in such | |
16 | // a way as to allow for detector alignment studies and the like. All of | |
17 | // the information needed to do the coordinate transformation are kept in | |
18 | // a specialized structure for ease of implementation. | |
19 | ///////////////////////////////////////////////////////////////////////// | |
4ae5bbc4 | 20 | #include <Riostream.h> |
85f1e34a | 21 | #include <TObject.h> |
e8189707 | 22 | #include <TObjArray.h> |
23 | #include <TVector.h> | |
023ae34b | 24 | #include <TString.h> |
25 | #include <TArrayI.h> | |
3010c308 | 26 | #include <TMath.h> |
012f0f4c | 27 | // |
269f57ed | 28 | #include "AliITSgeomMatrix.h" |
325d8c32 | 29 | #include "AliLog.h" |
58005f18 | 30 | |
22e9f252 | 31 | typedef enum {kND=-1,kSPD=0, kSDD=1, kSSD=2, kSSDp=3,kSDDp=4} AliITSDetector; |
58005f18 | 32 | |
33 | //_______________________________________________________________________ | |
34 | ||
35 | class AliITSgeom : public TObject { | |
b79e4bc3 | 36 | |
58005f18 | 37 | public: |
269f57ed | 38 | AliITSgeom(); // Default constructor |
023ae34b | 39 | AliITSgeom(Int_t itype,Int_t nlayers,const Int_t *nlads,const Int_t *ndets, |
40 | Int_t nmods); // Constructor | |
e56160b8 | 41 | AliITSgeom(const AliITSgeom &source); // Copy constructor |
42 | AliITSgeom& operator=(const AliITSgeom &source);// = operator | |
3f38f7af | 43 | virtual ~AliITSgeom(); // Default destructor |
023ae34b | 44 | // Zero and reinitilizes this class. |
45 | void Init(Int_t itype,Int_t nlayers,const Int_t *nlads, | |
46 | const Int_t *ndets,Int_t mods); | |
85f1e34a | 47 | // this function allocates a AliITSgeomMatrix for a particular module. |
023ae34b | 48 | void CreateMatrix(Int_t mod,Int_t lay,Int_t lad,Int_t det, |
49 | AliITSDetector idet,const Double_t tran[3], | |
50 | const Double_t rot[10]); | |
023ae34b | 51 | // Getters |
269f57ed | 52 | Int_t GetTransformationType() const {return fTrans;} |
023ae34b | 53 | // |
85f1e34a | 54 | // returns kTRUE if the transformation defined by this class is |
55 | // for Global GEANT coordinate system to the local GEANT coordinate system | |
8253cd9a | 56 | // of the detector. These are the transformation used by GEANT. |
269f57ed | 57 | Bool_t IsGeantToGeant() const {return (fTrans == 0);} |
85f1e34a | 58 | // returns kTRUE if the transformation defined by this class is |
59 | // for Global GEANT coordinate system to the local "Tracking" coordinate | |
8253cd9a | 60 | // system of the detector. These are the transformation used by the |
61 | // Tracking code. | |
269f57ed | 62 | Bool_t IsGeantToTracking() const {return ((fTrans&&0xfffe)!= 0);} |
85f1e34a | 63 | // returns kTRUE if the transformation defined by this class is |
64 | // for Global GEANT coordinate system to the local GEANT coordinate system | |
65 | // of the detector but may have been displaced by some typically small | |
66 | // amount. These are modified transformation similar to that used by GEANT. | |
269f57ed | 67 | Bool_t IsGeantToDisplaced() const {return ((fTrans&&0xfffd)!= 0);} |
023ae34b | 68 | // |
8253cd9a | 69 | // This function returns a pointer to the particular AliITSgeomMatrix |
70 | // class for a specific module index. | |
012f0f4c | 71 | AliITSgeomMatrix *GetGeomMatrix(Int_t index){if(index<fGm.GetSize()&& |
72 | index>=0) | |
73 | return (AliITSgeomMatrix*)(fGm.At(index));else | |
74 | Error("GetGeomMatrix","index=%d<0||>=GetSize()=%d", | |
75 | index,fGm.GetSize());return 0;} | |
76 | AliITSgeomMatrix *GetGeomMatrix(Int_t index)const{if(index<fGm.GetSize() | |
77 | &&index>=0) | |
78 | return (AliITSgeomMatrix*)(fGm.At(index));else | |
79 | Error("GetGeomMatrix","index=%d<0||>=GetSize()=%d", | |
80 | index,fGm.GetSize());return 0;} | |
023ae34b | 81 | // This function find and return the number of detector types only. |
5cf690c1 | 82 | Int_t GetNDetTypes()const{Int_t max;return GetNDetTypes(max);}; |
023ae34b | 83 | // This function find and return the number of detector types and the |
84 | // maximum det type value. | |
5cf690c1 | 85 | Int_t GetNDetTypes(Int_t &max)const; |
023ae34b | 86 | // This function finds and return the number of detector types and the |
87 | // and the number of each type in the TArrayI and their types. | |
5cf690c1 | 88 | Int_t GetNDetTypes(TArrayI &maxs,AliITSDetector *types)const; |
269f57ed | 89 | // This function returns the number of detectors/ladder for a give |
90 | // layer. In particular it returns fNdet[layer-1]. | |
c183cf7d | 91 | Int_t GetNdetectors(Int_t lay) const {return fNdet[lay-1];} |
269f57ed | 92 | // This function returns the number of ladders for a give layer. In |
93 | // particular it returns fNlad[layer-1]. | |
7f6ab649 | 94 | Int_t GetNladders(Int_t lay) const {return fNlad[lay-1];}; |
269f57ed | 95 | // This function returns the number of layers defined in the ITS |
96 | // geometry. In particular it returns fNlayers. | |
97 | Int_t GetNlayers() const {return fNlayers;} | |
5cf690c1 | 98 | Int_t GetModuleIndex(Int_t lay,Int_t lad,Int_t det)const; |
269f57ed | 99 | // This function returns the module index number given the layer, |
100 | // ladder and detector numbers put into the array id[3]. | |
5cf690c1 | 101 | Int_t GetModuleIndex(const Int_t *id)const{ |
023ae34b | 102 | return GetModuleIndex(id[0],id[1],id[2]);} |
5cf690c1 | 103 | void GetModuleId(Int_t index,Int_t &lay,Int_t &lad,Int_t &det)const; |
cd71de57 | 104 | // Returns the detector type |
5cf690c1 | 105 | //Int_t GetModuleType(Int_t index)const{ |
106 | // return GetGeomMatrix(index)->GetDetectorIndex();} | |
107 | AliITSDetector GetModuleType(Int_t index)const{ | |
108 | return (AliITSDetector)(GetGeomMatrix(index)->GetDetectorIndex());} | |
3f38f7af | 109 | // Returns the detector type as a string |
5cf690c1 | 110 | const char * GetModuleTypeName(Int_t index)const{ |
023ae34b | 111 | return GetDetectorTypeName(GetModuleType(index));} |
112 | // Returns the detector type as a string | |
5cf690c1 | 113 | const char * GetDetectorTypeName(Int_t index)const{switch(index) { |
023ae34b | 114 | case kSPD : return "kSPD" ; case kSDD : return "kSDD" ; |
115 | case kSSD : return "kSSD" ; case kSSDp: return "kSSDp"; | |
116 | case kSDDp: return "kSDDp"; default : return "Undefined";};} | |
117 | // | |
5cf690c1 | 118 | Int_t GetStartDet(Int_t dtype )const; |
119 | Int_t GetLastDet(Int_t dtype)const; | |
269f57ed | 120 | // Returns the starting module index number for SPD detector, |
121 | // assuming the modules are placed in the "standard" cylindrical | |
122 | // ITS structure. | |
5cf690c1 | 123 | Int_t GetStartSPD()const{return GetStartDet(kSPD);} |
269f57ed | 124 | // Returns the ending module index number for SPD detector, |
125 | // assuming the modules are placed in the "standard" cylindrical | |
126 | // ITS structure. | |
5cf690c1 | 127 | Int_t GetLastSPD()const{return GetLastDet(kSPD);} |
269f57ed | 128 | // Returns the starting module index number for SDD detector, |
129 | // assuming the modules are placed in the "standard" cylindrical | |
130 | // ITS structure. | |
5cf690c1 | 131 | Int_t GetStartSDD()const{return GetStartDet(kSDD);} |
269f57ed | 132 | // Returns the ending module index number for SDD detector, |
133 | // assuming the modules are placed in the "standard" cylindrical | |
134 | // ITS structure. | |
5cf690c1 | 135 | Int_t GetLastSDD()const{return GetLastDet(kSDD);} |
269f57ed | 136 | // Returns the starting module index number for SSD detector, |
137 | // assuming the modules are placed in the "standard" cylindrical | |
138 | // ITS structure. | |
5cf690c1 | 139 | Int_t GetStartSSD()const{return GetStartDet(kSSD);} |
269f57ed | 140 | // Returns the ending module index number for SSD detector, |
141 | // assuming the modules are placed in the "standard" cylindrical | |
142 | // ITS structure. | |
5cf690c1 | 143 | Int_t GetLastSSD()const{return GetLastDet(kSSD);} |
269f57ed | 144 | // Returns the last module index number. |
85f1e34a | 145 | Int_t GetIndexMax() const {return fNmodules;} |
023ae34b | 146 | // |
269f57ed | 147 | // This function returns the rotation angles for a give module |
148 | // in the Double point array ang[3]. The angles are in radians | |
5cf690c1 | 149 | void GetAngles(Int_t index,Double_t *ang)const{ |
023ae34b | 150 | GetGeomMatrix(index)->GetAngles(ang);} |
269f57ed | 151 | // This function returns the rotation angles for a give module |
152 | // in the three floating point variables provided. rx = frx, | |
153 | // fy = fry, rz = frz. The angles are in radians | |
5cf690c1 | 154 | void GetAngles(Int_t index,Float_t &rx,Float_t &ry,Float_t &rz)const{ |
023ae34b | 155 | Double_t a[3];GetAngles(index,a);rx = a[0];ry = a[1];rz = a[2];} |
269f57ed | 156 | // This function returns the rotation angles for a give detector on |
157 | // a give ladder in a give layer in the three floating point variables | |
158 | // provided. rx = frx, fy = fry, rz = frz. The angles are in radians | |
85f1e34a | 159 | void GetAngles(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 160 | Float_t &rx,Float_t &ry,Float_t &rz)const{ |
023ae34b | 161 | GetAngles(GetModuleIndex(lay,lad,det),rx,ry,rz);} |
162 | // | |
269f57ed | 163 | // This function returns the 6 GEANT rotation angles for a give |
164 | // module in the double point array ang[3]. The angles are in degrees | |
5cf690c1 | 165 | void GetGeantAngles(Int_t index,Double_t *ang)const{ |
8253cd9a | 166 | GetGeomMatrix(index)->SixAnglesFromMatrix(ang);} |
023ae34b | 167 | // |
269f57ed | 168 | // This function returns the Cartesian translation for a give |
169 | // module in the Double array t[3]. The units are | |
170 | // those of the Monte Carlo, generally cm. | |
5cf690c1 | 171 | void GetTrans(Int_t index,Double_t *t)const{ |
023ae34b | 172 | GetGeomMatrix(index)->GetTranslation(t);} |
269f57ed | 173 | // This function returns the Cartesian translation for a give |
174 | // module index in the three floating point variables provided. | |
175 | // x = fx0, y = fy0, z = fz0. The units are those of the Mont | |
176 | // Carlo, generally cm. | |
5cf690c1 | 177 | void GetTrans(Int_t index,Float_t &x,Float_t &y,Float_t &z)const{ |
023ae34b | 178 | Double_t t[3];GetTrans(index,t);x = t[0];y = t[1];z = t[2];} |
269f57ed | 179 | // This function returns the Cartesian translation for a give |
180 | // detector on a give ladder in a give layer in the three floating | |
181 | // point variables provided. x = fx0, y = fy0, z = fz0. The units are | |
182 | // those of the Monte Carlo, generally cm. | |
85f1e34a | 183 | void GetTrans(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 184 | Float_t &x,Float_t &y,Float_t &z)const{ |
023ae34b | 185 | GetTrans(GetModuleIndex(lay,lad,det),x,y,z);} |
186 | // | |
d8cc8493 | 187 | // This function returns the Cartesian translation for a give |
188 | // module in the Double array t[3]. The units are | |
189 | // those of the Monte Carlo, generally cm. | |
5cf690c1 | 190 | void GetTransCyln(Int_t index,Double_t *t)const{ |
023ae34b | 191 | GetGeomMatrix(index)->GetTranslationCylinderical(t);} |
d8cc8493 | 192 | // This function returns the Cartesian translation for a give |
193 | // module index in the three floating point variables provided. | |
194 | // x = fx0, y = fy0, z = fz0. The units are those of the Mont | |
195 | // Carlo, generally cm. | |
5cf690c1 | 196 | void GetTransCyln(Int_t index,Float_t &x,Float_t &y,Float_t &z)const{ |
023ae34b | 197 | Double_t t[3];GetTransCyln(index,t);x = t[0];y = t[1];z = t[2];} |
d8cc8493 | 198 | // This function returns the Cartesian translation for a give |
199 | // detector on a give ladder in a give layer in the three floating | |
200 | // point variables provided. x = fx0, y = fy0, z = fz0. The units are | |
201 | // those of the Monte Carlo, generally cm. | |
85f1e34a | 202 | void GetTransCyln(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 203 | Float_t &x,Float_t &y,Float_t &z)const{ |
023ae34b | 204 | GetTransCyln(GetModuleIndex(lay,lad,det),x,y,z);} |
205 | // | |
269f57ed | 206 | // This function returns the Cartesian translation [cm] and the |
207 | // 6 GEANT rotation angles [degrees]for a given layer ladder and | |
208 | // detector number, in the TVector x (at least 9 elements large). | |
023ae34b | 209 | // This function is required to be in-lined for speed. |
5cf690c1 | 210 | void GetCenterThetaPhi(Int_t lay,Int_t lad,Int_t det,TVector &x)const{ |
023ae34b | 211 | Double_t t[3],a[6];Int_t i=GetModuleIndex(lay,lad,det);GetTrans(i,t); |
212 | GetGeantAngles(i,a);x(0)=t[0];x(1)=t[1];x(2)=t[2];x(3)=a[0];x(4)=a[1]; | |
213 | x(5)=a[2];x(6)=a[3];x(7)=a[4];x(8)=a[5];} | |
214 | // | |
269f57ed | 215 | // This function returns the rotation matrix in Double |
216 | // precision for a given module. | |
5cf690c1 | 217 | void GetRotMatrix(Int_t index,Double_t mat[3][3])const{ |
023ae34b | 218 | GetGeomMatrix(index)->GetMatrix(mat);} |
269f57ed | 219 | // This function returns the rotation matrix in a Double |
220 | // precision pointer for a given module. mat[i][j] => mat[3*i+j]. | |
5cf690c1 | 221 | void GetRotMatrix(Int_t index,Double_t *mat)const{ |
023ae34b | 222 | Double_t rot[3][3];GetRotMatrix(index,rot); |
223 | for(Int_t i=0;i<3;i++)for(Int_t j=0;j<3;j++) mat[3*i+j] = rot[i][j];} | |
269f57ed | 224 | // This function returns the rotation matrix in a floating |
225 | // precision pointer for a given layer ladder and detector module. | |
226 | // mat[i][j] => mat[3*i+j]. | |
5cf690c1 | 227 | void GetRotMatrix(Int_t lay,Int_t lad,Int_t det,Float_t *mat)const{ |
023ae34b | 228 | GetRotMatrix(GetModuleIndex(lay,lad,det),mat);} |
269f57ed | 229 | // This function returns the rotation matrix in a Double |
230 | // precision pointer for a given layer ladder and detector module. | |
231 | // mat[i][j] => mat[3*i+j]. | |
5cf690c1 | 232 | void GetRotMatrix(Int_t lay,Int_t lad,Int_t det,Double_t *mat)const{ |
023ae34b | 233 | GetRotMatrix(GetModuleIndex(lay,lad,det),mat);} |
269f57ed | 234 | // This function returns the rotation matrix in a floating |
235 | // precision pointer for a given module. mat[i][j] => mat[3*i+j]. | |
5cf690c1 | 236 | void GetRotMatrix(Int_t index,Float_t *mat)const{ |
8253cd9a | 237 | Double_t rot[3][3]; |
023ae34b | 238 | GetGeomMatrix(index)->GetMatrix(rot); |
269f57ed | 239 | for(Int_t i=0;i<3;i++)for(Int_t j=0;j<3;j++) mat[3*i+j] = rot[i][j];} |
fd9cde50 | 240 | // This function sets the rotation matrix in a Double |
241 | // precision pointer for a given module. mat[i][j] => mat[3*i+j]. | |
242 | void SetRotMatrix(Int_t index,Double_t *mat){Double_t rot[3][3]; | |
243 | for(Int_t i=0;i<3;i++)for(Int_t j=0;j<3;j++) rot[i][j]=mat[3*i+j]; | |
244 | GetGeomMatrix(index)->SetMatrix(rot);} | |
012f0f4c | 245 | // Return the normal for a specific module |
246 | void GetGlobalNormal(Int_t index,Double_t n[3]){ | |
247 | GetGeomMatrix(index)->GetGlobalNormal(n[0],n[1],n[2]);} | |
023ae34b | 248 | // |
023ae34b | 249 | // |
250 | // Setters | |
269f57ed | 251 | // Sets the rotation angles and matrix for a give module index |
252 | // via the double precision array a[3] [radians]. | |
85f1e34a | 253 | void SetByAngles(Int_t index,const Double_t a[]){ |
023ae34b | 254 | GetGeomMatrix(index)->SetAngles(a);} |
269f57ed | 255 | // Sets the rotation angles and matrix for a give module index |
256 | // via the 3 floating precision variables rx, ry, and rz [radians]. | |
023ae34b | 257 | void SetByAngles(Int_t index,Float_t rx, Float_t ry, Float_t rz) { |
258 | Double_t a[3];a[0] = rx;a[1] = ry;a[2] = rz; | |
259 | GetGeomMatrix(index)->SetAngles(a);} | |
269f57ed | 260 | // Sets the rotation angles and matrix for a give layer, ladder, |
261 | // and detector numbers via the 3 floating precision variables rx, | |
262 | // ry, and rz [radians]. | |
85f1e34a | 263 | void SetByAngles(Int_t lay,Int_t lad,Int_t det, |
6ba216a4 | 264 | Float_t rx, Float_t ry, Float_t rz) { |
023ae34b | 265 | SetByAngles(GetModuleIndex(lay,lad,det),rx,ry,rz);} |
266 | // | |
269f57ed | 267 | // Sets the rotation angles and matrix for a give module index |
268 | // via the Double precision array a[6] [degree]. The angles are those | |
269 | // defined by GEANT 3.12. | |
85f1e34a | 270 | void SetByGeantAngles(Int_t index,const Double_t *ang){ |
023ae34b | 271 | GetGeomMatrix(index)->MatrixFromSixAngles(ang);} |
269f57ed | 272 | // Sets the rotation angles and matrix for a give layer, ladder |
273 | // and detector, in the array id[3] via the Double precision array | |
274 | // a[6] [degree]. The angles are those defined by GEANT 3.12. | |
275 | void SetByGeantAngles(const Int_t *id,const Double_t *ang){ | |
023ae34b | 276 | SetByGeantAngles(GetModuleIndex(id),ang);} |
269f57ed | 277 | // Sets the rotation angles and matrix for a give layer, ladder |
278 | // and detector, via the Double precision array a[6] [degree]. The | |
279 | // angles are those defined by GEANT 3.12. | |
85f1e34a | 280 | void SetByGeantAngles(Int_t lay,Int_t lad,Int_t det, |
023ae34b | 281 | const Double_t *ang){ |
282 | SetByGeantAngles(GetModuleIndex(lay,lad,det),ang);} | |
283 | // | |
269f57ed | 284 | // This function sets a new translation vector, given by the |
285 | // array x[3], for the Cartesian coordinate transformation | |
286 | // for a give module index. | |
85f1e34a | 287 | void SetTrans(Int_t index,Double_t x[]){ |
023ae34b | 288 | GetGeomMatrix(index)->SetTranslation(x);} |
269f57ed | 289 | // This function sets a new translation vector, given by the three |
290 | // variables x, y, and z, for the Cartesian coordinate transformation | |
291 | // for the detector defined by layer, ladder and detector. | |
85f1e34a | 292 | void SetTrans(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 293 | Float_t x,Float_t y,Float_t z){Double_t t[3]; |
294 | t[0] = x;t[1] = y;t[2] = z; | |
295 | SetTrans(GetModuleIndex(lay,lad,det),t);} | |
023ae34b | 296 | // |
023ae34b | 297 | // transformations |
269f57ed | 298 | // Transforms from the ALICE Global coordinate system |
299 | // to the detector local coordinate system for the detector | |
300 | // defined by the layer, ladder, and detector numbers. The | |
301 | // global and local coordinate are given in two floating point | |
302 | // arrays g[3], and l[3]. | |
85f1e34a | 303 | void GtoL(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 304 | const Float_t *g,Float_t *l)const{ |
023ae34b | 305 | GtoL(GetModuleIndex(lay,lad,det),g,l);} |
269f57ed | 306 | // Transforms from the ALICE Global coordinate system |
307 | // to the detector local coordinate system for the detector | |
308 | // defined by the id[0], id[1], and id[2] numbers. The | |
309 | // global and local coordinate are given in two floating point | |
310 | // arrays g[3], and l[3]. | |
5cf690c1 | 311 | void GtoL(const Int_t *id,const Float_t *g,Float_t *l)const{ |
023ae34b | 312 | GtoL(GetModuleIndex(id),g,l);} |
269f57ed | 313 | // Transforms from the ALICE Global coordinate system |
314 | // to the detector local coordinate system for the detector | |
315 | // module index number. The global and local coordinate are | |
316 | // given in two floating point arrays g[3], and l[3]. | |
5cf690c1 | 317 | void GtoL(Int_t index,const Float_t *g,Float_t *l)const{ |
023ae34b | 318 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dg[i] = g[i]; |
319 | GetGeomMatrix(index)->GtoLPosition(dg,dl); | |
320 | for(i=0;i<3;i++) l[i] =dl[i];} | |
269f57ed | 321 | // Transforms from the ALICE Global coordinate system |
322 | // to the detector local coordinate system for the detector | |
323 | // defined by the layer, ladder, and detector numbers. The | |
324 | // global and local coordinate are given in two Double point | |
325 | // arrays g[3], and l[3]. | |
85f1e34a | 326 | void GtoL(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 327 | const Double_t *g,Double_t *l)const{ |
023ae34b | 328 | GtoL(GetModuleIndex(lay,lad,det),g,l);} |
269f57ed | 329 | // Transforms from the ALICE Global coordinate system |
330 | // to the detector local coordinate system for the detector | |
331 | // defined by the id[0], id[1], and id[2] numbers. The | |
332 | // global and local coordinate are given in two Double point | |
333 | // arrays g[3], and l[3]. | |
5cf690c1 | 334 | void GtoL(const Int_t *id,const Double_t *g,Double_t *l)const{ |
023ae34b | 335 | GtoL(GetModuleIndex(id),g,l);} |
269f57ed | 336 | // Transforms from the ALICE Global coordinate system |
337 | // to the detector local coordinate system for the detector | |
338 | // module index number. The global and local coordinate are | |
339 | // given in two Double point arrays g[3], and l[3]. | |
5cf690c1 | 340 | void GtoL(Int_t index,const Double_t g[3],Double_t l[3])const{ |
341 | GetGeomMatrix(index)->GtoLPosition(g,l);} | |
023ae34b | 342 | // |
269f57ed | 343 | // Transforms from the ALICE Global coordinate system |
344 | // to the detector local coordinate system (used for ITS tracking) | |
345 | // for the detector module index number. The global and local | |
346 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
5cf690c1 | 347 | void GtoLtracking(Int_t index,const Double_t *g,Double_t *l)const{ |
023ae34b | 348 | if(IsGeantToTracking()) GtoL(index,g,l); |
349 | else GetGeomMatrix(index)->GtoLPositionTracking(g,l);} | |
269f57ed | 350 | // Transforms from the ALICE Global coordinate system |
351 | // to the detector local coordinate system (used for ITS tracking) | |
352 | // for the detector id[3]. The global and local | |
353 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
5cf690c1 | 354 | void GtoLtracking(const Int_t *id,const Double_t *g,Double_t *l)const{ |
023ae34b | 355 | GtoLtracking(GetModuleIndex(id),g,l);} |
269f57ed | 356 | // Transforms from the ALICE Global coordinate system |
357 | // to the detector local coordinate system (used for ITS tracking) | |
358 | // for the detector layer ladder and detector numbers. The global | |
359 | // and local coordinate are given in two Double point arrays g[3], | |
360 | // and l[3]. | |
85f1e34a | 361 | void GtoLtracking(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 362 | const Double_t *g,Double_t *l)const{ |
023ae34b | 363 | GtoLtracking(GetModuleIndex(lay,lad,det),g,l);} |
364 | // | |
269f57ed | 365 | // Transforms of momentum types of quantities from the ALICE |
366 | // Global coordinate system to the detector local coordinate system | |
367 | // for the detector layer ladder and detector numbers. The global | |
368 | // and local coordinate are given in two float point arrays g[3], | |
369 | // and l[3]. | |
85f1e34a | 370 | void GtoLMomentum(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 371 | const Float_t *g,Float_t *l)const{ |
023ae34b | 372 | GtoLMomentum(GetModuleIndex(lay,lad,det),g,l);} |
269f57ed | 373 | // Transforms of momentum types of quantities from the ALICE |
374 | // Global coordinate system to the detector local coordinate system | |
375 | // for the detector module index number. The global and local | |
376 | // coordinate are given in two float point arrays g[3], and l[3]. | |
5cf690c1 | 377 | void GtoLMomentum(Int_t index,const Float_t *g,Float_t *l)const{ |
023ae34b | 378 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dg[i] = g[i]; |
379 | GetGeomMatrix(index)->GtoLMomentum(dg,dl); | |
380 | for(i=0;i<3;i++) l[i] =dl[i];} | |
269f57ed | 381 | // Transforms of momentum types of quantities from the ALICE |
382 | // Global coordinate system to the detector local coordinate system | |
383 | // for the detector layer ladder and detector numbers. The global | |
384 | // and local coordinate are given in two Double point arrays g[3], | |
385 | // and l[3]. | |
85f1e34a | 386 | void GtoLMomentum(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 387 | const Double_t *g,Double_t *l)const{ |
023ae34b | 388 | GtoLMomentum(GetModuleIndex(lay,lad,det),g,l);} |
269f57ed | 389 | // Transforms of momentum types of quantities from the ALICE |
390 | // Global coordinate system to the detector local coordinate system | |
391 | // for the detector module index number. The global and local | |
392 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
5cf690c1 | 393 | void GtoLMomentum(Int_t index,const Double_t *g,Double_t *l)const{ |
023ae34b | 394 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dg[i] = g[i]; |
395 | GetGeomMatrix(index)->GtoLMomentum(dg,dl); | |
396 | for(i=0;i<3;i++) l[i] =dl[i];} | |
397 | // | |
269f57ed | 398 | // Transforms of momentum types of quantities from the ALICE |
399 | // Global coordinate system to the detector local coordinate system | |
400 | // (used for ITS tracking) for the detector module index number. | |
401 | // The global and local coordinate are given in two Double point | |
402 | // arrays g[3], and l[3]. | |
5cf690c1 | 403 | void GtoLMomentumTracking(Int_t index,const Double_t *g,Double_t *l)const{ |
023ae34b | 404 | if(IsGeantToTracking()) GtoLMomentum(index,g,l); |
405 | else GetGeomMatrix(index)->GtoLMomentumTracking(g,l);} | |
269f57ed | 406 | // Transforms of momentum types of quantities from the ALICE |
407 | // Global coordinate system to the detector local coordinate system | |
408 | // (used for ITS tracking) for the detector id[3]. | |
409 | // The global and local coordinate are given in two Double point | |
410 | // arrays g[3], and l[3]. | |
5cf690c1 | 411 | void GtoLMomentumTracking(const Int_t *id, |
412 | const Double_t *g,Double_t *l)const{ | |
023ae34b | 413 | GtoLMomentumTracking(GetModuleIndex(id),g,l);} |
269f57ed | 414 | // Transforms of momentum types of quantities from the ALICE |
415 | // Global coordinate system to the detector local coordinate system | |
416 | // (used for ITS tracking) for the detector layer ladder and detector | |
417 | // numbers. The global and local coordinate are given in two Double point | |
418 | // arrays g[3], and l[3]. | |
85f1e34a | 419 | void GtoLMomentumTracking(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 420 | const Double_t *g,Double_t *l)const{ |
023ae34b | 421 | GtoLMomentumTracking(GetModuleIndex(lay,lad,det),g,l);} |
422 | // | |
269f57ed | 423 | // Transforms from the detector local coordinate system |
424 | // to the ALICE Global coordinate system for the detector | |
425 | // defined by the layer, ladder, and detector numbers. The | |
426 | // global and local coordinate are given in two floating point | |
427 | // arrays g[3], and l[3]. | |
85f1e34a | 428 | void LtoG(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 429 | const Float_t *l,Float_t *g)const{ |
023ae34b | 430 | LtoG(GetModuleIndex(lay,lad,det),l,g);} |
269f57ed | 431 | // Transforms from the detector local coordinate system |
432 | // to the ALICE Global coordinate system for the detector | |
433 | // defined by the id[0], id[1], and id[2] numbers. The | |
434 | // global and local coordinate are given in two floating point | |
435 | // arrays g[3], and l[3]. | |
5cf690c1 | 436 | void LtoG(const Int_t *id,const Float_t *l,Float_t *g)const{ |
023ae34b | 437 | LtoG(GetModuleIndex(id),l,g);} |
269f57ed | 438 | // Transforms from the detector local coordinate system |
439 | // to the ALICE Global coordinate system for the detector | |
440 | // module index number. The global and local coordinate are | |
441 | // given in two floating point arrays g[3], and l[3]. | |
5cf690c1 | 442 | void LtoG(Int_t index,const Float_t *l,Float_t *g)const{ |
023ae34b | 443 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dl[i] = l[i]; |
444 | GetGeomMatrix(index)->LtoGPosition(dl,dg); | |
445 | for(i=0;i<3;i++) g[i] =dg[i];} | |
269f57ed | 446 | // Transforms from the detector local coordinate system |
447 | // to the ALICE Global coordinate system for the detector | |
448 | // defined by the layer, ladder, and detector numbers. The | |
449 | // global and local coordinate are given in two Double point | |
450 | // arrays g[3], and l[3]. | |
85f1e34a | 451 | void LtoG(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 452 | const Double_t *l,Double_t *g)const{ |
023ae34b | 453 | LtoG(GetModuleIndex(lay,lad,det),l,g);} |
269f57ed | 454 | // Transforms from the detector local coordinate system |
455 | // to the ALICE Global coordinate system for the detector | |
456 | // defined by the id[0], id[1], and id[2] numbers. The | |
457 | // global and local coordinate are given in two Double point | |
458 | // arrays g[3], and l[3]. | |
5cf690c1 | 459 | void LtoG(const Int_t *id,const Double_t *l,Double_t *g)const{ |
023ae34b | 460 | LtoG(GetModuleIndex(id),l,g);} |
269f57ed | 461 | // Transforms from the detector local coordinate system |
462 | // to the ALICE Global coordinate system for the detector | |
463 | // module index number. The global and local coordinate are | |
464 | // given in two Double point arrays g[3], and l[3]. | |
5cf690c1 | 465 | void LtoG(Int_t index,const Double_t *l,Double_t *g)const{ |
466 | GetGeomMatrix(index)->LtoGPosition(l,g);} | |
023ae34b | 467 | // |
269f57ed | 468 | // Transforms from the detector local coordinate system (used |
469 | // for ITS tracking) to the ALICE Global coordinate system | |
470 | // for the detector module index number. The global and local | |
471 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
5cf690c1 | 472 | void LtoGtracking(Int_t index,const Double_t *l,Double_t *g)const{ |
023ae34b | 473 | if(IsGeantToTracking()) LtoG(index,l,g); |
474 | else GetGeomMatrix(index)->LtoGPositionTracking(l,g);} | |
269f57ed | 475 | // Transforms from the detector local coordinate system (used |
476 | // for ITS tracking) to the ALICE Global coordinate system | |
477 | // for the detector id[3]. The global and local | |
478 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
5cf690c1 | 479 | void LtoGtracking(const Int_t *id,const Double_t *l,Double_t *g)const{ |
023ae34b | 480 | LtoGtracking(GetModuleIndex(id),l,g);} |
269f57ed | 481 | // Transforms from the detector local coordinate system (used |
482 | // for ITS tracking) to the detector local coordinate system | |
483 | // for the detector layer ladder and detector numbers. The global | |
484 | // and local coordinate are given in two Double point arrays g[3], | |
485 | // and l[3]. | |
85f1e34a | 486 | void LtoGtracking(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 487 | const Double_t *l,Double_t *g)const{ |
023ae34b | 488 | LtoGtracking(GetModuleIndex(lay,lad,det),l,g);} |
489 | // | |
269f57ed | 490 | // Transforms of momentum types of quantities from the detector |
491 | // local coordinate system to the ALICE Global coordinate system | |
492 | // for the detector layer ladder and detector numbers. The global | |
493 | // and local coordinate are given in two float point arrays g[3], | |
494 | // and l[3]. | |
85f1e34a | 495 | void LtoGMomentum(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 496 | const Float_t *l,Float_t *g)const{ |
023ae34b | 497 | LtoGMomentum(GetModuleIndex(lay,lad,det),l,g);} |
269f57ed | 498 | // Transforms of momentum types of quantities from the detector |
499 | // local coordinate system to the ALICE Global coordinate system | |
500 | // for the detector module index number. The global and local | |
501 | // coordinate are given in two float point arrays g[3], and l[3]. | |
5cf690c1 | 502 | void LtoGMomentum(Int_t index,const Float_t *l,Float_t *g)const{ |
023ae34b | 503 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dl[i] = l[i]; |
504 | GetGeomMatrix(index)->LtoGMomentum(dl,dg); | |
505 | for(i=0;i<3;i++) g[i] =dg[i];} | |
269f57ed | 506 | // Transforms of momentum types of quantities from the detector |
507 | // local coordinate system to the ALICE Global coordinate system | |
508 | // for the detector layer ladder and detector numbers. The global | |
509 | // and local coordinate are given in two Double point arrays g[3], | |
510 | // and l[3]. | |
85f1e34a | 511 | void LtoGMomentum(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 512 | const Double_t *l,Double_t *g)const{ |
023ae34b | 513 | LtoGMomentum(GetModuleIndex(lay,lad,det),l,g);} |
269f57ed | 514 | // Transforms of momentum types of quantities from the detector |
515 | // local coordinate system to the ALICE Global coordinate system | |
516 | // for the detector module index number. The global and local | |
517 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
5cf690c1 | 518 | void LtoGMomentum(Int_t index,const Double_t *l,Double_t *g)const{ |
023ae34b | 519 | GetGeomMatrix(index)->LtoGMomentum(l,g);} |
520 | // | |
269f57ed | 521 | // Transforms of momentum types of quantities from the detector |
522 | // local coordinate system (used for ITS tracking) to the detector | |
523 | // system ALICE Global for the detector module index number. | |
524 | // The global and local coordinate are given in two Double point | |
525 | // arrays g[3], and l[3]. | |
5cf690c1 | 526 | void LtoGMomentumTracking(Int_t index,const Double_t *l,Double_t *g)const{ |
023ae34b | 527 | if(IsGeantToTracking()) LtoGMomentum(index,l,g); |
528 | else GetGeomMatrix(index)->LtoGMomentumTracking(l,g);} | |
269f57ed | 529 | // Transforms of momentum types of quantities from the detector |
530 | // local coordinate system (used for ITS tracking) to the ALICE | |
531 | // Global coordinate system for the detector id[3]. | |
532 | // The global and local coordinate are given in two Double point | |
533 | // arrays g[3], and l[3]. | |
012f0f4c | 534 | void LtoGMomentumTracking(const Int_t *id,const Double_t *l,Double_t *g) |
535 | const{LtoGMomentumTracking(GetModuleIndex(id),l,g);} | |
269f57ed | 536 | // Transforms of momentum types of quantities from the detector |
537 | // local coordinate system (used for ITS tracking) to the ALICE | |
538 | // Global coordinate system for the detector layer ladder and detector | |
539 | // numbers. The global and local coordinate are given in two Double point | |
540 | // arrays g[3], and l[3]. | |
85f1e34a | 541 | void LtoGMomentumTracking(Int_t lay,Int_t lad,Int_t det, |
5cf690c1 | 542 | const Double_t *l,Double_t *g)const{ |
269f57ed | 543 | LtoGMomentumTracking(GetModuleIndex(lay,lad,det),l,g);} |
023ae34b | 544 | // |
269f57ed | 545 | // Transforms from one detector local coordinate system |
546 | // to another detector local coordinate system for the detector | |
547 | // module index1 number to the detector module index2 number. The | |
548 | // local coordinates are given in two Double point arrays l1[3], | |
549 | // and l2[3]. | |
5cf690c1 | 550 | void LtoL(Int_t index1,Int_t index2,Double_t *l1,Double_t *l2)const{ |
023ae34b | 551 | Double_t g[3]; LtoG(index1,l1,g);GtoL(index2,g,l2);} |
269f57ed | 552 | // Transforms from one detector local coordinate system |
553 | // to another detector local coordinate system for the detector | |
554 | // id1[3] to the detector id2[3]. The local coordinates are given | |
555 | // in two Double point arrays l1[3], and l2[3]. | |
012f0f4c | 556 | void LtoL(const Int_t *id1,const Int_t *id2,Double_t *l1,Double_t *l2) |
557 | const{LtoL(GetModuleIndex(id1[0],id1[1],id1[2]), | |
269f57ed | 558 | GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);} |
023ae34b | 559 | // |
269f57ed | 560 | // Transforms from one detector local coordinate system (used for |
561 | // ITS tracking) to another detector local coordinate system (used | |
562 | // for ITS tracking) for the detector module index1 number to the | |
563 | // detector module index2 number. The local coordinates are given | |
564 | // in two Double point arrays l1[3], and l2[3]. | |
85f1e34a | 565 | void LtoLtracking(Int_t index1,Int_t index2, |
5cf690c1 | 566 | Double_t *l1,Double_t *l2)const{ |
023ae34b | 567 | Double_t g[3]; LtoGtracking(index1,l1,g);GtoLtracking(index2,g,l2);} |
269f57ed | 568 | // Transforms from one detector local coordinate system (used for |
569 | // ITS tracking) to another detector local coordinate system (used | |
570 | // for ITS tracking) for the detector id1[3] to the detector id2[3]. | |
571 | // The local coordinates are given in two Double point arrays l1[3], | |
572 | // and l2[3]. | |
573 | void LtoLtracking(const Int_t *id1,const Int_t *id2, | |
5cf690c1 | 574 | Double_t *l1,Double_t *l2)const{ |
023ae34b | 575 | LtoLtracking(GetModuleIndex(id1[0],id1[1],id1[2]), |
576 | GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);} | |
577 | // | |
269f57ed | 578 | // Transforms of momentum types of quantities from one detector |
579 | // local coordinate system to another detector local coordinate | |
580 | // system for the detector module index1 number to the detector | |
581 | // module index2 number. The local coordinates are given in two | |
582 | // Double point arrays l1[3], and l2[3]. | |
85f1e34a | 583 | void LtoLMomentum(Int_t index1,Int_t index2, |
5cf690c1 | 584 | const Double_t *l1,Double_t *l2)const{ |
023ae34b | 585 | Double_t g[3]; LtoGMomentum(index1,l1,g);GtoLMomentum(index2,g,l2);} |
269f57ed | 586 | // Transforms of momentum types of quantities from one detector |
587 | // local coordinate system to another detector local coordinate | |
588 | // system for the detector id1[3] to the detector id2[3]. The local | |
589 | // coordinates are given in two Double point arrays l1[3], and l2[3]. | |
b79e4bc3 | 590 | void LtoLMomentum(const Int_t *id1,const Int_t *id2, |
5cf690c1 | 591 | const Double_t *l1,Double_t *l2)const{ |
023ae34b | 592 | LtoLMomentum(GetModuleIndex(id1[0],id1[1],id1[2]), |
593 | GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);} | |
594 | // | |
269f57ed | 595 | // Transforms of momentum types of quantities from one detector |
596 | // local coordinate system (used by ITS tracking) to another detector | |
597 | // local coordinate system (used by ITS tracking) for the detector | |
598 | // module index1 number to the detector module index2 number. The | |
599 | // local coordinates are given in two Double point arrays l1[3], | |
600 | // and l2[3]. | |
85f1e34a | 601 | void LtoLMomentumTracking(Int_t index1,Int_t index2, |
5cf690c1 | 602 | Double_t *l1,Double_t *l2)const{ |
023ae34b | 603 | Double_t g[3]; LtoGMomentumTracking(index1,l1,g); |
604 | GtoLMomentumTracking(index2,g,l2);} | |
269f57ed | 605 | // Transforms of momentum types of quantities from one detector |
606 | // local coordinate system (used by ITS tracking) to another detector | |
607 | // local coordinate system (used by ITS tracking) for the detector | |
608 | // id1[3] to the detector id2[3]. The local coordinates are given in | |
609 | // two Double point arrays l1[3], and l2[3]. | |
610 | void LtoLMomentumTracking(const Int_t *id1,const Int_t *id2, | |
5cf690c1 | 611 | Double_t *l1,Double_t *l2)const{ |
023ae34b | 612 | LtoLMomentumTracking(GetModuleIndex(id1[0],id1[1],id1[2]), |
269f57ed | 613 | GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);} |
023ae34b | 614 | // |
269f57ed | 615 | // Transforms a matrix, like an Uncertainty or Error matrix from |
616 | // the ALICE Global coordinate system to a detector local coordinate | |
617 | // system. The specific detector is determined by the module index | |
618 | // number. | |
5cf690c1 | 619 | void GtoLErrorMatrix(Int_t index,const Double_t **g,Double_t **l)const{ |
012f0f4c | 620 | GetGeomMatrix(index)->GtoLPositionError( |
621 | (Double_t (*)[3])g,(Double_t (*)[3])l);} | |
023ae34b | 622 | // |
269f57ed | 623 | // Transforms a matrix, like an Uncertainty or Error matrix from |
624 | // the ALICE Global coordinate system to a detector local coordinate | |
625 | // system (used by ITS tracking). The specific detector is determined | |
626 | // by the module index number. | |
85f1e34a | 627 | void GtoLErrorMatrixTracking(Int_t index,const Double_t **g, |
5cf690c1 | 628 | Double_t **l)const{ |
023ae34b | 629 | if(IsGeantToTracking()) GetGeomMatrix(index)->GtoLPositionError(( |
630 | Double_t (*)[3])g,(Double_t (*)[3])l); | |
631 | else GetGeomMatrix(index)->GtoLPositionErrorTracking( | |
632 | (Double_t (*)[3])g,(Double_t (*)[3])l);} | |
633 | // | |
269f57ed | 634 | // Transforms a matrix, like an Uncertainty or Error matrix from |
635 | // the detector local coordinate system to a ALICE Global coordinate | |
636 | // system. The specific detector is determined by the module index | |
637 | // number. | |
5cf690c1 | 638 | void LtoGErrorMatrix(Int_t index,const Double_t **l,Double_t **g)const{ |
012f0f4c | 639 | GetGeomMatrix(index)->LtoGPositionError( |
640 | (Double_t (*)[3])l,(Double_t (*)[3])g);} | |
641 | // | |
642 | // Transforms a matrix, like an Uncertainty or Error matrix from | |
643 | // the detector local coordinate system to a ALICE Global coordinate | |
644 | // system. The specific detector is determined by the module index | |
645 | // number. | |
646 | void LtoGErrorMatrix(Int_t index,const Double_t l[3][3],Double_t g[3][3]) | |
647 | const{ | |
648 | GetGeomMatrix(index)->LtoGPositionError( | |
649 | (Double_t (*)[3])l,(Double_t (*)[3])g);} | |
650 | ||
023ae34b | 651 | // |
269f57ed | 652 | // Transforms a matrix, like an Uncertainty or Error matrix from |
653 | // the detector local coordinate system (used by ITS tracking) to a | |
654 | // ALICE Global coordinate system. The specific detector is determined | |
655 | // by the module index number. | |
85f1e34a | 656 | void LtoGErrorMatrixTracking(Int_t index,const Double_t **l, |
5cf690c1 | 657 | Double_t **g)const{ |
012f0f4c | 658 | if(IsGeantToTracking()) GetGeomMatrix(index)->LtoGPositionError( |
659 | (Double_t (*)[3])g,(Double_t (*)[3])l); | |
660 | else GetGeomMatrix(index)->LtoGPositionErrorTracking( | |
661 | (Double_t (*)[3])l,(Double_t (*)[3])g);} | |
662 | // | |
663 | // Transforms a matrix, like an Uncertainty or Error matrix from | |
664 | // the detector local coordinate system (used by ITS tracking) to a | |
665 | // ALICE Global coordinate system. The specific detector is determined | |
666 | // by the module index number. | |
667 | void LtoGErrorMatrixTracking(Int_t index,const Double_t l[3][3], | |
668 | Double_t g[3][3])const{ | |
669 | if(IsGeantToTracking()) GetGeomMatrix(index)->LtoGPositionError( | |
670 | (Double_t (*)[3])g,(Double_t (*)[3])l); | |
671 | else GetGeomMatrix(index)->LtoGPositionErrorTracking( | |
672 | (Double_t (*)[3])l,(Double_t (*)[3])g);} | |
023ae34b | 673 | // |
269f57ed | 674 | // Transforms a matrix, like an Uncertainty or Error matrix from |
675 | // one detector local coordinate system to another detector local | |
676 | // coordinate system. The specific detector is determined by the | |
677 | // two module index number index1 and index2. | |
85f1e34a | 678 | void LtoLErrorMatrix(Int_t index1,Int_t index2, |
5cf690c1 | 679 | const Double_t **l1,Double_t **l2)const{ |
023ae34b | 680 | Double_t g[3][3]; |
681 | LtoGErrorMatrix(index1,l1,(Double_t **)g); | |
682 | GtoLErrorMatrix(index2,(const Double_t **)g,l2);} | |
683 | // | |
269f57ed | 684 | // Transforms a matrix, like an Uncertainty or Error matrix from |
685 | // one detector local coordinate system (used by ITS tracking) to | |
686 | // another detector local coordinate system (used by ITS tracking). | |
687 | // The specific detector is determined by the two module index number | |
688 | // index1 and index2. | |
85f1e34a | 689 | void LtoLErrorMatrixTraking(Int_t index1,Int_t index2, |
5cf690c1 | 690 | const Double_t **l1,Double_t **l2)const{ |
023ae34b | 691 | Double_t g[3][3]; |
692 | LtoGErrorMatrixTracking(index1,l1,(Double_t **)g); | |
693 | GtoLErrorMatrixTracking(index2,(const Double_t **)g,l2);} | |
694 | // Find Specific Modules | |
85f1e34a | 695 | // Locate the nearest module to the point g, in ALICE global Cartesian |
696 | // coordinates [cm] in a give layer. If layer = 0 then it search in | |
697 | // all layers. | |
5cf690c1 | 698 | Int_t GetNearest(const Double_t g[3],Int_t lay=0)const; |
85f1e34a | 699 | // Locates the nearest 27 modules, in nearest order, to the point g, in |
700 | // ALICE global Cartesian coordinates [cm] in a give layer. If layer = 0 | |
701 | // then it searches in all layers. (there are 27 elements in a 3x3x3 | |
702 | // cube. | |
5cf690c1 | 703 | void GetNearest27(const Double_t g[3],Int_t n[27],Int_t lay=0)const; |
269f57ed | 704 | // Returns the distance [cm] between the point g[3] and the center of |
705 | // the detector/module specified by the the module index number. | |
5cf690c1 | 706 | Double_t Distance(Int_t index,const Double_t g[3])const{ |
023ae34b | 707 | return TMath::Sqrt(GetGeomMatrix(index)->Distance2(g));} |
023ae34b | 708 | // Geometry manipulation |
85f1e34a | 709 | // This function performs a Cartesian translation and rotation of |
710 | // the full ITS from its default position by an amount determined by | |
711 | // the three element arrays tran and rot. | |
269f57ed | 712 | void GlobalChange(const Float_t *tran,const Float_t *rot); |
85f1e34a | 713 | // This function performs a Cylindrical translation and rotation of |
714 | // the full ITS from its default position by an amount determined by | |
715 | // the three element arrays tran and rot. | |
269f57ed | 716 | void GlobalCylindericalChange(const Float_t *tran,const Float_t *rot); |
85f1e34a | 717 | // This function performs a Gaussian random displacement and/or |
718 | // rotation about the present global position of each active | |
719 | // volume/detector of the ITS with variances given by stran and srot. | |
269f57ed | 720 | void RandomChange(const Float_t *stran,const Float_t *srot); |
85f1e34a | 721 | // This function performs a Gaussian random displacement and/or |
722 | // rotation about the present global position of each active | |
723 | // volume/detector of the ITS with variances given by stran and srot. | |
724 | // But in Cylindrical coordinates. | |
269f57ed | 725 | void RandomCylindericalChange(const Float_t *stran,const Float_t *srot); |
85f1e34a | 726 | // This function converts these transformations from Alice global and |
727 | // local to Tracking global and local. | |
012f0f4c | 728 | // |
729 | // This converts the geometry | |
730 | void GeantToTracking(const AliITSgeom &source); | |
023ae34b | 731 | // Other routines. |
85f1e34a | 732 | // This routine prints, to a file, the contents of this class. |
5cf690c1 | 733 | void PrintData(FILE *fp,Int_t lay,Int_t lad,Int_t det)const; |
85f1e34a | 734 | // This function prints out this class in a single stream. This steam |
735 | // can be read by ReadGeom. | |
c0fc8108 | 736 | // (Coverity warnings) void PrintGeom(ostream *out)const; |
e8189707 | 737 | |
00a7cc50 | 738 | //Conversion from det. local coordinates to local ("V2") coordinates |
739 | //used for tracking | |
740 | ||
012f0f4c | 741 | void DetLToTrackingV2(Int_t md,Float_t xin,Float_t zin, |
742 | Float_t &yout, Float_t &zout); | |
00a7cc50 | 743 | |
012f0f4c | 744 | void TrackingV2ToDetL(Int_t md,Float_t yin,Float_t zin, |
745 | Float_t &xout,Float_t &zout); | |
4bfbde86 | 746 | |
085bb6ed | 747 | private: |
023ae34b | 748 | TString fVersion; // Transformation version. |
8253cd9a | 749 | Int_t fTrans; // Flag to keep track of which transformation |
750 | Int_t fNmodules;// The total number of modules | |
751 | Int_t fNlayers; // The number of layers. | |
023ae34b | 752 | TArrayI fNlad; // Array of the number of ladders/layer(layer) |
753 | TArrayI fNdet; // Array of the number of detector/ladder(layer) | |
754 | TObjArray fGm; // Structure of translation. and rotation. | |
8253cd9a | 755 | |
325d8c32 | 756 | ClassDef(AliITSgeom,4) // ITS geometry class |
012f0f4c | 757 | }; |
758 | // Input and output function for standard C++ input/output. | |
58005f18 | 759 | |
760 | #endif |