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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> | |
24 | ||
269f57ed | 25 | #include "AliITSgeomMatrix.h" |
58005f18 | 26 | |
8253cd9a | 27 | |
5c9c741e | 28 | typedef enum {kSPD=0, kSDD=1, kSSD=2, kSSDp=3,kSDDp=4} AliITSDetector; |
58005f18 | 29 | |
30 | //_______________________________________________________________________ | |
31 | ||
32 | class AliITSgeom : public TObject { | |
b79e4bc3 | 33 | |
58005f18 | 34 | public: |
269f57ed | 35 | AliITSgeom(); // Default constructor |
36 | AliITSgeom(const char *filename); // Constructor | |
8253cd9a | 37 | AliITSgeom(Int_t itype,Int_t nlayers,Int_t *nlads,Int_t *ndets, |
38 | Int_t nmods); // Constructor | |
85f1e34a | 39 | // this function allocates a AliITSgeomMatrix for a particular module. |
8253cd9a | 40 | void CreatMatrix(Int_t mod,Int_t lay,Int_t lad,Int_t det, |
85f1e34a | 41 | AliITSDetector idet,const Double_t tran[3], |
42 | const Double_t rot[10]); | |
8253cd9a | 43 | void ReadNewFile(const char *filename); // Constructor for new format. |
44 | void WriteNewFile(const char *filename); // Output for new format. | |
269f57ed | 45 | AliITSgeom(AliITSgeom &source); // Copy constructor |
85f1e34a | 46 | AliITSgeom& operator=(AliITSgeom &source);// = operator |
269f57ed | 47 | virtual ~AliITSgeom(); // Default destructor |
48 | // Getters | |
49 | Int_t GetTransformationType() const {return fTrans;} | |
50 | // | |
85f1e34a | 51 | // returns kTRUE if the transformation defined by this class is |
52 | // for Global GEANT coordinate system to the local GEANT coordinate system | |
8253cd9a | 53 | // of the detector. These are the transformation used by GEANT. |
269f57ed | 54 | Bool_t IsGeantToGeant() const {return (fTrans == 0);} |
85f1e34a | 55 | // returns kTRUE if the transformation defined by this class is |
56 | // for Global GEANT coordinate system to the local "Tracking" coordinate | |
8253cd9a | 57 | // system of the detector. These are the transformation used by the |
58 | // Tracking code. | |
269f57ed | 59 | Bool_t IsGeantToTracking() const {return ((fTrans&&0xfffe)!= 0);} |
85f1e34a | 60 | // returns kTRUE if the transformation defined by this class is |
61 | // for Global GEANT coordinate system to the local GEANT coordinate system | |
62 | // of the detector but may have been displaced by some typically small | |
63 | // amount. These are modified transformation similar to that used by GEANT. | |
269f57ed | 64 | Bool_t IsGeantToDisplaced() const {return ((fTrans&&0xfffd)!= 0);} |
8253cd9a | 65 | // returns kTRUE if the shape defined by ishape has been defined in this |
66 | // set of transformations. Typical values of ishape are kSPD, kSDD, kSSD, | |
67 | // SSD2. | |
85f1e34a | 68 | Bool_t IsShapeDefined(Int_t ishape)const { |
5c9c741e | 69 | if(fShape!=0){return ((fShape->At(ishape))!=0);}else return kFALSE;} |
269f57ed | 70 | // |
8253cd9a | 71 | // This function returns a pointer to the particular AliITSgeomMatrix |
72 | // class for a specific module index. | |
73 | AliITSgeomMatrix *GetGeomMatrix(Int_t index){ | |
74 | return (AliITSgeomMatrix*)(fGm->At(index));} | |
269f57ed | 75 | // This function returns the number of detectors/ladder for a give |
76 | // layer. In particular it returns fNdet[layer-1]. | |
85f1e34a | 77 | Int_t GetNdetectors(Int_t lay) const {return fNdet[lay-1];} |
269f57ed | 78 | // This function returns the number of ladders for a give layer. In |
79 | // particular it returns fNlad[layer-1]. | |
85f1e34a | 80 | Int_t GetNladders(Int_t lay) const {return fNlad[lay-1];} |
269f57ed | 81 | // This function returns the number of layers defined in the ITS |
82 | // geometry. In particular it returns fNlayers. | |
83 | Int_t GetNlayers() const {return fNlayers;} | |
85f1e34a | 84 | Int_t GetModuleIndex(Int_t lay,Int_t lad,Int_t det); |
269f57ed | 85 | // This function returns the module index number given the layer, |
86 | // ladder and detector numbers put into the array id[3]. | |
87 | Int_t GetModuleIndex(const Int_t *id){ | |
88 | return GetModuleIndex(id[0],id[1],id[2]);} | |
85f1e34a | 89 | void GetModuleId(Int_t index,Int_t &lay,Int_t &lad,Int_t &det); |
cd71de57 | 90 | // Returns the detector type |
91 | Int_t GetModuleType(Int_t index){ | |
92 | return GetGeomMatrix(index)->GetDetectorIndex();} | |
269f57ed | 93 | // |
85f1e34a | 94 | Int_t GetStartDet(Int_t dtype ); |
95 | Int_t GetLastDet(Int_t dtype); | |
269f57ed | 96 | // Returns the starting module index number for SPD detector, |
97 | // assuming the modules are placed in the "standard" cylindrical | |
98 | // ITS structure. | |
99 | Int_t GetStartSPD() {return GetModuleIndex(1,1,1);} | |
100 | // Returns the ending module index number for SPD detector, | |
101 | // assuming the modules are placed in the "standard" cylindrical | |
102 | // ITS structure. | |
103 | Int_t GetLastSPD() {return GetModuleIndex(2,fNlad[1],fNdet[1]);} | |
104 | // Returns the starting module index number for SDD detector, | |
105 | // assuming the modules are placed in the "standard" cylindrical | |
106 | // ITS structure. | |
107 | Int_t GetStartSDD() {return GetModuleIndex(3,1,1);} | |
108 | // Returns the ending module index number for SDD detector, | |
109 | // assuming the modules are placed in the "standard" cylindrical | |
110 | // ITS structure. | |
111 | Int_t GetLastSDD() {return GetModuleIndex(4,fNlad[3],fNdet[3]);} | |
112 | // Returns the starting module index number for SSD detector, | |
113 | // assuming the modules are placed in the "standard" cylindrical | |
114 | // ITS structure. | |
115 | Int_t GetStartSSD() {return GetModuleIndex(5,1,1);} | |
116 | // Returns the ending module index number for SSD detector, | |
117 | // assuming the modules are placed in the "standard" cylindrical | |
118 | // ITS structure. | |
119 | Int_t GetLastSSD() {return GetModuleIndex(6,fNlad[5],fNdet[5]);} | |
120 | // Returns the last module index number. | |
85f1e34a | 121 | Int_t GetIndexMax() const {return fNmodules;} |
269f57ed | 122 | // |
123 | // This function returns the rotation angles for a give module | |
124 | // in the Double point array ang[3]. The angles are in radians | |
85f1e34a | 125 | void GetAngles(Int_t index,Double_t *ang) { |
8253cd9a | 126 | GetGeomMatrix(index)->GetAngles(ang);} |
269f57ed | 127 | // This function returns the rotation angles for a give module |
128 | // in the three floating point variables provided. rx = frx, | |
129 | // fy = fry, rz = frz. The angles are in radians | |
85f1e34a | 130 | void GetAngles(Int_t index,Float_t &rx,Float_t &ry,Float_t &rz) { |
269f57ed | 131 | Double_t a[3];GetAngles(index,a); |
132 | rx = a[0];ry = a[1];rz = a[2];} | |
133 | // This function returns the rotation angles for a give detector on | |
134 | // a give ladder in a give layer in the three floating point variables | |
135 | // provided. rx = frx, fy = fry, rz = frz. The angles are in radians | |
85f1e34a | 136 | void GetAngles(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 137 | Float_t &rx,Float_t &ry,Float_t &rz) { |
138 | GetAngles(GetModuleIndex(lay,lad,det),rx,ry,rz);} | |
139 | // | |
140 | // This function returns the 6 GEANT rotation angles for a give | |
141 | // module in the double point array ang[3]. The angles are in degrees | |
85f1e34a | 142 | void GetGeantAngles(Int_t index,Double_t *ang){ |
8253cd9a | 143 | GetGeomMatrix(index)->SixAnglesFromMatrix(ang);} |
269f57ed | 144 | // |
145 | // This function returns the Cartesian translation for a give | |
146 | // module in the Double array t[3]. The units are | |
147 | // those of the Monte Carlo, generally cm. | |
85f1e34a | 148 | void GetTrans(Int_t index,Double_t *t) { |
8253cd9a | 149 | GetGeomMatrix(index)->GetTranslation(t);} |
269f57ed | 150 | // This function returns the Cartesian translation for a give |
151 | // module index in the three floating point variables provided. | |
152 | // x = fx0, y = fy0, z = fz0. The units are those of the Mont | |
153 | // Carlo, generally cm. | |
85f1e34a | 154 | void GetTrans(Int_t index,Float_t &x,Float_t &y,Float_t &z) { |
269f57ed | 155 | Double_t t[3];GetTrans(index,t); |
156 | x = t[0];y = t[1];z = t[2];} | |
157 | // This function returns the Cartesian translation for a give | |
158 | // detector on a give ladder in a give layer in the three floating | |
159 | // point variables provided. x = fx0, y = fy0, z = fz0. The units are | |
160 | // those of the Monte Carlo, generally cm. | |
85f1e34a | 161 | void GetTrans(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 162 | Float_t &x,Float_t &y,Float_t &z) { |
163 | GetTrans(GetModuleIndex(lay,lad,det),x,y,z);} | |
d8cc8493 | 164 | // |
165 | // This function returns the Cartesian translation for a give | |
166 | // module in the Double array t[3]. The units are | |
167 | // those of the Monte Carlo, generally cm. | |
85f1e34a | 168 | void GetTransCyln(Int_t index,Double_t *t) { |
d8cc8493 | 169 | GetGeomMatrix(index)->GetTranslationCylinderical(t);} |
170 | // This function returns the Cartesian translation for a give | |
171 | // module index in the three floating point variables provided. | |
172 | // x = fx0, y = fy0, z = fz0. The units are those of the Mont | |
173 | // Carlo, generally cm. | |
85f1e34a | 174 | void GetTransCyln(Int_t index,Float_t &x,Float_t &y,Float_t &z) { |
d8cc8493 | 175 | Double_t t[3];GetTransCyln(index,t); |
176 | x = t[0];y = t[1];z = t[2];} | |
177 | // This function returns the Cartesian translation for a give | |
178 | // detector on a give ladder in a give layer in the three floating | |
179 | // point variables provided. x = fx0, y = fy0, z = fz0. The units are | |
180 | // those of the Monte Carlo, generally cm. | |
85f1e34a | 181 | void GetTransCyln(Int_t lay,Int_t lad,Int_t det, |
d8cc8493 | 182 | Float_t &x,Float_t &y,Float_t &z) { |
183 | GetTransCyln(GetModuleIndex(lay,lad,det),x,y,z);} | |
269f57ed | 184 | // |
185 | // This function returns the Cartesian translation [cm] and the | |
186 | // 6 GEANT rotation angles [degrees]for a given layer ladder and | |
187 | // detector number, in the TVector x (at least 9 elements large). | |
85f1e34a | 188 | void GetCenterThetaPhi(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 189 | TVector &x){Double_t t[3],ang[6]; |
190 | Int_t index=GetModuleIndex(lay,lad,det); | |
191 | GetTrans(index,t);GetGeantAngles(index,ang); | |
192 | x(0) = t[0];x(1) = t[1];x(2) = t[2]; | |
193 | x(3) = ang[0];x(4) = ang[1];x(5) = ang[2]; | |
194 | x(6) = ang[3];x(7) = ang[4];x(8) = ang[5];} | |
195 | // | |
196 | // This function returns the rotation matrix in Double | |
197 | // precision for a given module. | |
85f1e34a | 198 | void GetRotMatrix(Int_t index,Double_t mat[3][3]){ |
8253cd9a | 199 | GetGeomMatrix(index)->GetMatrix(mat);} |
269f57ed | 200 | // This function returns the rotation matrix in a Double |
201 | // precision pointer for a given module. mat[i][j] => mat[3*i+j]. | |
85f1e34a | 202 | void GetRotMatrix(Int_t index,Double_t *mat){ |
269f57ed | 203 | Double_t rot[3][3];GetRotMatrix(index,rot); |
204 | for(Int_t i=0;i<3;i++)for(Int_t j=0;j<3;j++) mat[3*i+j] = rot[i][j];} | |
205 | // This function returns the rotation matrix in a floating | |
206 | // precision pointer for a given layer ladder and detector module. | |
207 | // mat[i][j] => mat[3*i+j]. | |
85f1e34a | 208 | void GetRotMatrix(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 209 | Float_t *mat){GetRotMatrix(GetModuleIndex(lay,lad,det),mat);} |
210 | // This function returns the rotation matrix in a Double | |
211 | // precision pointer for a given layer ladder and detector module. | |
212 | // mat[i][j] => mat[3*i+j]. | |
85f1e34a | 213 | void GetRotMatrix(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 214 | Double_t *mat){GetRotMatrix(GetModuleIndex(lay,lad,det),mat);} |
215 | // This function returns the rotation matrix in a floating | |
216 | // precision pointer for a given module. mat[i][j] => mat[3*i+j]. | |
85f1e34a | 217 | void GetRotMatrix(Int_t index,Float_t *mat){ |
8253cd9a | 218 | Double_t rot[3][3]; |
219 | GetGeomMatrix(index)->GetMatrix(rot); | |
269f57ed | 220 | for(Int_t i=0;i<3;i++)for(Int_t j=0;j<3;j++) mat[3*i+j] = rot[i][j];} |
221 | // | |
8253cd9a | 222 | // Will define fShape if it isn't already defined. |
85f1e34a | 223 | void DefineShapes(Int_t size=4) |
8253cd9a | 224 | {if(fShape==0) fShape = new TObjArray(size);else fShape->Expand(size);} |
85f1e34a | 225 | // this function returns a pointer to the class describing a particular |
226 | // detector type based on AliITSDetector value. This will return a pointer | |
8253cd9a | 227 | // to one of the classes AliITSgeomSPD, AliITSgeomSDD, or AliITSgeomSSD, |
228 | // for example. | |
6ba216a4 | 229 | virtual TObject *GetShape(AliITSDetector idet) |
8253cd9a | 230 | {return fShape->At((Int_t)idet);}; |
269f57ed | 231 | // This function returns a pointer to the class describing the |
232 | // detector for a particular module index. This will return a pointer | |
233 | // to one of the classes AliITSgeomSPD, AliITSgeomSDD, or AliITSgeomSSD, | |
234 | // for example. | |
85f1e34a | 235 | virtual TObject *GetShape(Int_t index){ |
8253cd9a | 236 | return fShape->At(GetGeomMatrix(index)-> |
237 | GetDetectorIndex());} | |
269f57ed | 238 | // This function returns a pointer to the class describing the |
239 | // detector for a particular layer ladder and detector numbers. This | |
240 | // will return a pointer to one of the classes AliITSgeomSPD, | |
241 | // AliITSgeomSDD, or AliITSgeomSSD, for example. | |
85f1e34a | 242 | virtual TObject *GetShape(Int_t lay,Int_t lad,Int_t det) |
269f57ed | 243 | {return GetShape(GetModuleIndex(lay,lad,det));} |
269f57ed | 244 | // |
245 | // Setters | |
246 | // Sets the rotation angles and matrix for a give module index | |
247 | // via the double precision array a[3] [radians]. | |
85f1e34a | 248 | void SetByAngles(Int_t index,const Double_t a[]){ |
8253cd9a | 249 | GetGeomMatrix(index)->SetAngles(a);} |
269f57ed | 250 | // Sets the rotation angles and matrix for a give module index |
251 | // via the 3 floating precision variables rx, ry, and rz [radians]. | |
85f1e34a | 252 | void SetByAngles(Int_t index, |
6ba216a4 | 253 | Float_t rx, Float_t ry, Float_t rz) { |
269f57ed | 254 | Double_t a[3];a[0] = rx;a[1] = ry;a[2] = rz; |
8253cd9a | 255 | GetGeomMatrix(index)->SetAngles(a);} |
269f57ed | 256 | // Sets the rotation angles and matrix for a give layer, ladder, |
257 | // and detector numbers via the 3 floating precision variables rx, | |
258 | // ry, and rz [radians]. | |
85f1e34a | 259 | void SetByAngles(Int_t lay,Int_t lad,Int_t det, |
6ba216a4 | 260 | Float_t rx, Float_t ry, Float_t rz) { |
269f57ed | 261 | SetByAngles(GetModuleIndex(lay,lad,det),rx,ry,rz);} |
262 | // | |
263 | // Sets the rotation angles and matrix for a give module index | |
264 | // via the Double precision array a[6] [degree]. The angles are those | |
265 | // defined by GEANT 3.12. | |
85f1e34a | 266 | void SetByGeantAngles(Int_t index,const Double_t *ang){ |
8253cd9a | 267 | GetGeomMatrix(index)->MatrixFromSixAngles(ang);} |
269f57ed | 268 | // Sets the rotation angles and matrix for a give layer, ladder |
269 | // and detector, in the array id[3] via the Double precision array | |
270 | // a[6] [degree]. The angles are those defined by GEANT 3.12. | |
271 | void SetByGeantAngles(const Int_t *id,const Double_t *ang){ | |
272 | SetByGeantAngles(GetModuleIndex(id),ang);} | |
273 | // Sets the rotation angles and matrix for a give layer, ladder | |
274 | // and detector, via the Double precision array a[6] [degree]. The | |
275 | // angles are those defined by GEANT 3.12. | |
85f1e34a | 276 | void SetByGeantAngles(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 277 | const Double_t *ang){ |
278 | SetByGeantAngles(GetModuleIndex(lay,lad,det),ang);} | |
279 | // | |
280 | // This function sets a new translation vector, given by the | |
281 | // array x[3], for the Cartesian coordinate transformation | |
282 | // for a give module index. | |
85f1e34a | 283 | void SetTrans(Int_t index,Double_t x[]){ |
8253cd9a | 284 | GetGeomMatrix(index)->SetTranslation(x);} |
269f57ed | 285 | // This function sets a new translation vector, given by the three |
286 | // variables x, y, and z, for the Cartesian coordinate transformation | |
287 | // for the detector defined by layer, ladder and detector. | |
85f1e34a | 288 | void SetTrans(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 289 | Float_t x,Float_t y,Float_t z){Double_t t[3]; |
290 | t[0] = x;t[1] = y;t[2] = z; | |
291 | SetTrans(GetModuleIndex(lay,lad,det),t);} | |
292 | // | |
293 | // This function adds one more shape element to the TObjArray | |
294 | // fShape. It is primarily used in the constructor functions of the | |
295 | // AliITSgeom class. The pointer *shape can be the pointer to any | |
296 | // class that is derived from TObject (this is true for nearly every | |
297 | // ROOT class). This does not appear to be working properly at this time. | |
298 | void AddShape(TObject *shp){fShape->AddLast(shp);} | |
299 | // This function deletes an existing shape element, of type TObject, | |
300 | // and replaces it with the one specified. This is primarily used to | |
301 | // changes the parameters to the segmentation class for a particular | |
302 | // type of detector. | |
85f1e34a | 303 | void ReSetShape(Int_t dtype,TObject *shp){ |
269f57ed | 304 | fShape->RemoveAt(dtype);fShape->AddAt(shp,dtype);} |
305 | // | |
306 | // transformations | |
307 | // Transforms from the ALICE Global coordinate system | |
308 | // to the detector local coordinate system for the detector | |
309 | // defined by the layer, ladder, and detector numbers. The | |
310 | // global and local coordinate are given in two floating point | |
311 | // arrays g[3], and l[3]. | |
85f1e34a | 312 | void GtoL(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 313 | const Float_t *g,Float_t *l){ |
314 | GtoL(GetModuleIndex(lay,lad,det),g,l);} | |
315 | // Transforms from the ALICE Global coordinate system | |
316 | // to the detector local coordinate system for the detector | |
317 | // defined by the id[0], id[1], and id[2] numbers. The | |
318 | // global and local coordinate are given in two floating point | |
319 | // arrays g[3], and l[3]. | |
320 | void GtoL(const Int_t *id,const Float_t *g,Float_t *l){ | |
321 | GtoL(GetModuleIndex(id),g,l);} | |
322 | // Transforms from the ALICE Global coordinate system | |
323 | // to the detector local coordinate system for the detector | |
324 | // module index number. The global and local coordinate are | |
325 | // given in two floating point arrays g[3], and l[3]. | |
85f1e34a | 326 | void GtoL(Int_t index,const Float_t *g,Float_t *l){ |
d962cab4 | 327 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dg[i] = g[i]; |
8253cd9a | 328 | GetGeomMatrix(index)->GtoLPosition(dg,dl); |
d962cab4 | 329 | for(i=0;i<3;i++) l[i] =dl[i];} |
269f57ed | 330 | // Transforms from the ALICE Global coordinate system |
331 | // to the detector local coordinate system for the detector | |
332 | // defined by the layer, ladder, and detector numbers. The | |
333 | // global and local coordinate are given in two Double point | |
334 | // arrays g[3], and l[3]. | |
85f1e34a | 335 | void GtoL(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 336 | const Double_t *g,Double_t *l){ |
337 | GtoL(GetModuleIndex(lay,lad,det),g,l);} | |
338 | // Transforms from the ALICE Global coordinate system | |
339 | // to the detector local coordinate system for the detector | |
340 | // defined by the id[0], id[1], and id[2] numbers. The | |
341 | // global and local coordinate are given in two Double point | |
342 | // arrays g[3], and l[3]. | |
343 | void GtoL(const Int_t *id,const Double_t *g,Double_t *l){ | |
344 | GtoL(GetModuleIndex(id),g,l);} | |
345 | // Transforms from the ALICE Global coordinate system | |
346 | // to the detector local coordinate system for the detector | |
347 | // module index number. The global and local coordinate are | |
348 | // given in two Double point arrays g[3], and l[3]. | |
85f1e34a | 349 | void GtoL(Int_t index,const Double_t *g,Double_t *l){ |
d962cab4 | 350 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dg[i] = g[i]; |
8253cd9a | 351 | GetGeomMatrix(index)->GtoLPosition(dg,dl); |
d962cab4 | 352 | for(i=0;i<3;i++) l[i] =dl[i];} |
269f57ed | 353 | // |
354 | // Transforms from the ALICE Global coordinate system | |
355 | // to the detector local coordinate system (used for ITS tracking) | |
356 | // for the detector module index number. The global and local | |
357 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
85f1e34a | 358 | void GtoLtracking(Int_t index,const Double_t *g,Double_t *l){ |
269f57ed | 359 | if(IsGeantToTracking()) GtoL(index,g,l); |
8253cd9a | 360 | else GetGeomMatrix(index)->GtoLPositionTracking(g,l);} |
269f57ed | 361 | // Transforms from the ALICE Global coordinate system |
362 | // to the detector local coordinate system (used for ITS tracking) | |
363 | // for the detector id[3]. The global and local | |
364 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
365 | void GtoLtracking(const Int_t *id,const Double_t *g,Double_t *l){ | |
366 | GtoLtracking(GetModuleIndex(id),g,l);} | |
367 | // Transforms from the ALICE Global coordinate system | |
368 | // to the detector local coordinate system (used for ITS tracking) | |
369 | // for the detector layer ladder and detector numbers. The global | |
370 | // and local coordinate are given in two Double point arrays g[3], | |
371 | // and l[3]. | |
85f1e34a | 372 | void GtoLtracking(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 373 | const Double_t *g,Double_t *l){ |
374 | GtoLtracking(GetModuleIndex(lay,lad,det),g,l);} | |
375 | // | |
376 | // Transforms of momentum types of quantities from the ALICE | |
377 | // Global coordinate system to the detector local coordinate system | |
378 | // for the detector layer ladder and detector numbers. The global | |
379 | // and local coordinate are given in two float point arrays g[3], | |
380 | // and l[3]. | |
85f1e34a | 381 | void GtoLMomentum(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 382 | const Float_t *g,Float_t *l){ |
383 | GtoLMomentum(GetModuleIndex(lay,lad,det),g,l);} | |
384 | // Transforms of momentum types of quantities from the ALICE | |
385 | // Global coordinate system to the detector local coordinate system | |
386 | // for the detector module index number. The global and local | |
387 | // coordinate are given in two float point arrays g[3], and l[3]. | |
85f1e34a | 388 | void GtoLMomentum(Int_t index,const Float_t *g,Float_t *l){ |
d962cab4 | 389 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dg[i] = g[i]; |
8253cd9a | 390 | GetGeomMatrix(index)->GtoLMomentum(dg,dl); |
d962cab4 | 391 | for(i=0;i<3;i++) l[i] =dl[i];} |
269f57ed | 392 | // Transforms of momentum types of quantities from the ALICE |
393 | // Global coordinate system to the detector local coordinate system | |
394 | // for the detector layer ladder and detector numbers. The global | |
395 | // and local coordinate are given in two Double point arrays g[3], | |
396 | // and l[3]. | |
85f1e34a | 397 | void GtoLMomentum(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 398 | const Double_t *g,Double_t *l){ |
399 | GtoLMomentum(GetModuleIndex(lay,lad,det),g,l);} | |
400 | // Transforms of momentum types of quantities from the ALICE | |
401 | // Global coordinate system to the detector local coordinate system | |
402 | // for the detector module index number. The global and local | |
403 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
85f1e34a | 404 | void GtoLMomentum(Int_t index,const Double_t *g,Double_t *l){ |
d962cab4 | 405 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dg[i] = g[i]; |
8253cd9a | 406 | GetGeomMatrix(index)->GtoLMomentum(dg,dl); |
d962cab4 | 407 | for(i=0;i<3;i++) l[i] =dl[i];} |
269f57ed | 408 | // |
409 | // Transforms of momentum types of quantities from the ALICE | |
410 | // Global coordinate system to the detector local coordinate system | |
411 | // (used for ITS tracking) for the detector module index number. | |
412 | // The global and local coordinate are given in two Double point | |
413 | // arrays g[3], and l[3]. | |
85f1e34a | 414 | void GtoLMomentumTracking(Int_t index,const Double_t *g,Double_t *l){ |
269f57ed | 415 | if(IsGeantToTracking()) GtoLMomentum(index,g,l); |
8253cd9a | 416 | else GetGeomMatrix(index)->GtoLMomentumTracking(g,l);} |
269f57ed | 417 | // Transforms of momentum types of quantities from the ALICE |
418 | // Global coordinate system to the detector local coordinate system | |
419 | // (used for ITS tracking) for the detector id[3]. | |
420 | // The global and local coordinate are given in two Double point | |
421 | // arrays g[3], and l[3]. | |
422 | void GtoLMomentumTracking(const Int_t *id,const Double_t *g,Double_t *l){ | |
423 | GtoLMomentumTracking(GetModuleIndex(id),g,l);} | |
424 | // Transforms of momentum types of quantities from the ALICE | |
425 | // Global coordinate system to the detector local coordinate system | |
426 | // (used for ITS tracking) for the detector layer ladder and detector | |
427 | // numbers. The global and local coordinate are given in two Double point | |
428 | // arrays g[3], and l[3]. | |
85f1e34a | 429 | void GtoLMomentumTracking(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 430 | const Double_t *g,Double_t *l){ |
431 | GtoLMomentumTracking(GetModuleIndex(lay,lad,det),g,l);} | |
432 | // | |
433 | // Transforms from the detector local coordinate system | |
434 | // to the ALICE Global coordinate system for the detector | |
435 | // defined by the layer, ladder, and detector numbers. The | |
436 | // global and local coordinate are given in two floating point | |
437 | // arrays g[3], and l[3]. | |
85f1e34a | 438 | void LtoG(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 439 | const Float_t *l,Float_t *g){ |
440 | LtoG(GetModuleIndex(lay,lad,det),l,g);} | |
441 | // Transforms from the detector local coordinate system | |
442 | // to the ALICE Global coordinate system for the detector | |
443 | // defined by the id[0], id[1], and id[2] numbers. The | |
444 | // global and local coordinate are given in two floating point | |
445 | // arrays g[3], and l[3]. | |
446 | void LtoG(const Int_t *id,const Float_t *l,Float_t *g){ | |
447 | LtoG(GetModuleIndex(id),l,g);} | |
448 | // Transforms from the detector local coordinate system | |
449 | // to the ALICE Global coordinate system for the detector | |
450 | // module index number. The global and local coordinate are | |
451 | // given in two floating point arrays g[3], and l[3]. | |
85f1e34a | 452 | void LtoG(Int_t index,const Float_t *l,Float_t *g){ |
d962cab4 | 453 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dl[i] = l[i]; |
8253cd9a | 454 | GetGeomMatrix(index)->LtoGPosition(dl,dg); |
d962cab4 | 455 | for(i=0;i<3;i++) g[i] =dg[i];} |
269f57ed | 456 | // Transforms from the detector local coordinate system |
457 | // to the ALICE Global coordinate system for the detector | |
458 | // defined by the layer, ladder, and detector numbers. The | |
459 | // global and local coordinate are given in two Double point | |
460 | // arrays g[3], and l[3]. | |
85f1e34a | 461 | void LtoG(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 462 | const Double_t *l,Double_t *g){ |
463 | LtoG(GetModuleIndex(lay,lad,det),l,g);} | |
464 | // Transforms from the detector local coordinate system | |
465 | // to the ALICE Global coordinate system for the detector | |
466 | // defined by the id[0], id[1], and id[2] numbers. The | |
467 | // global and local coordinate are given in two Double point | |
468 | // arrays g[3], and l[3]. | |
469 | void LtoG(const Int_t *id,const Double_t *l,Double_t *g){ | |
470 | LtoG(GetModuleIndex(id),l,g);} | |
471 | // Transforms from the detector local coordinate system | |
472 | // to the ALICE Global coordinate system for the detector | |
473 | // module index number. The global and local coordinate are | |
474 | // given in two Double point arrays g[3], and l[3]. | |
85f1e34a | 475 | void LtoG(Int_t index,const Double_t *l,Double_t *g){ |
d962cab4 | 476 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dl[i] = l[i]; |
8253cd9a | 477 | GetGeomMatrix(index)->LtoGPosition(dl,dg); |
d962cab4 | 478 | for(i=0;i<3;i++) g[i] =dg[i];} |
269f57ed | 479 | // |
480 | // Transforms from the detector local coordinate system (used | |
481 | // for ITS tracking) to the ALICE Global coordinate system | |
482 | // for the detector module index number. The global and local | |
483 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
85f1e34a | 484 | void LtoGtracking(Int_t index,const Double_t *l,Double_t *g){ |
269f57ed | 485 | if(IsGeantToTracking()) LtoG(index,l,g); |
8253cd9a | 486 | else GetGeomMatrix(index)->LtoGPositionTracking(l,g);} |
269f57ed | 487 | // Transforms from the detector local coordinate system (used |
488 | // for ITS tracking) to the ALICE Global coordinate system | |
489 | // for the detector id[3]. The global and local | |
490 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
491 | void LtoGtracking(const Int_t *id,const Double_t *l,Double_t *g){ | |
492 | LtoGtracking(GetModuleIndex(id),l,g);} | |
493 | // Transforms from the detector local coordinate system (used | |
494 | // for ITS tracking) to the detector local coordinate system | |
495 | // for the detector layer ladder and detector numbers. The global | |
496 | // and local coordinate are given in two Double point arrays g[3], | |
497 | // and l[3]. | |
85f1e34a | 498 | void LtoGtracking(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 499 | const Double_t *l,Double_t *g){ |
500 | LtoGtracking(GetModuleIndex(lay,lad,det),l,g);} | |
501 | // | |
502 | // Transforms of momentum types of quantities from the detector | |
503 | // local coordinate system to the ALICE Global coordinate system | |
504 | // for the detector layer ladder and detector numbers. The global | |
505 | // and local coordinate are given in two float point arrays g[3], | |
506 | // and l[3]. | |
85f1e34a | 507 | void LtoGMomentum(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 508 | const Float_t *l,Float_t *g){ |
509 | LtoGMomentum(GetModuleIndex(lay,lad,det),l,g);} | |
510 | // Transforms of momentum types of quantities from the detector | |
511 | // local coordinate system to the ALICE Global coordinate system | |
512 | // for the detector module index number. The global and local | |
513 | // coordinate are given in two float point arrays g[3], and l[3]. | |
85f1e34a | 514 | void LtoGMomentum(Int_t index,const Float_t *l,Float_t *g){ |
d962cab4 | 515 | Double_t dg[3],dl[3];Int_t i;for(i=0;i<3;i++) dl[i] = l[i]; |
8253cd9a | 516 | GetGeomMatrix(index)->LtoGMomentum(dl,dg); |
d962cab4 | 517 | for(i=0;i<3;i++) g[i] =dg[i];} |
269f57ed | 518 | // Transforms of momentum types of quantities from the detector |
519 | // local coordinate system to the ALICE Global coordinate system | |
520 | // for the detector layer ladder and detector numbers. The global | |
521 | // and local coordinate are given in two Double point arrays g[3], | |
522 | // and l[3]. | |
85f1e34a | 523 | void LtoGMomentum(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 524 | const Double_t *l,Double_t *g){ |
525 | LtoGMomentum(GetModuleIndex(lay,lad,det),l,g);} | |
526 | // Transforms of momentum types of quantities from the detector | |
527 | // local coordinate system to the ALICE Global coordinate system | |
528 | // for the detector module index number. The global and local | |
529 | // coordinate are given in two Double point arrays g[3], and l[3]. | |
85f1e34a | 530 | void LtoGMomentum(Int_t index,const Double_t *l,Double_t *g){ |
8253cd9a | 531 | GetGeomMatrix(index)->LtoGMomentum(l,g);} |
269f57ed | 532 | // |
533 | // Transforms of momentum types of quantities from the detector | |
534 | // local coordinate system (used for ITS tracking) to the detector | |
535 | // system ALICE Global for the detector module index number. | |
536 | // The global and local coordinate are given in two Double point | |
537 | // arrays g[3], and l[3]. | |
85f1e34a | 538 | void LtoGMomentumTracking(Int_t index,const Double_t *l,Double_t *g){ |
269f57ed | 539 | if(IsGeantToTracking()) LtoGMomentum(index,l,g); |
8253cd9a | 540 | else GetGeomMatrix(index)->LtoGMomentumTracking(l,g);} |
269f57ed | 541 | // Transforms of momentum types of quantities from the detector |
542 | // local coordinate system (used for ITS tracking) to the ALICE | |
543 | // Global coordinate system for the detector id[3]. | |
544 | // The global and local coordinate are given in two Double point | |
545 | // arrays g[3], and l[3]. | |
546 | void LtoGMomentumTracking(const Int_t *id,const Double_t *l,Double_t *g){ | |
547 | LtoGMomentumTracking(GetModuleIndex(id),l,g);} | |
548 | // Transforms of momentum types of quantities from the detector | |
549 | // local coordinate system (used for ITS tracking) to the ALICE | |
550 | // Global coordinate system for the detector layer ladder and detector | |
551 | // numbers. The global and local coordinate are given in two Double point | |
552 | // arrays g[3], and l[3]. | |
85f1e34a | 553 | void LtoGMomentumTracking(Int_t lay,Int_t lad,Int_t det, |
269f57ed | 554 | const Double_t *l,Double_t *g){ |
555 | LtoGMomentumTracking(GetModuleIndex(lay,lad,det),l,g);} | |
556 | // | |
557 | // Transforms from one detector local coordinate system | |
558 | // to another detector local coordinate system for the detector | |
559 | // module index1 number to the detector module index2 number. The | |
560 | // local coordinates are given in two Double point arrays l1[3], | |
561 | // and l2[3]. | |
85f1e34a | 562 | void LtoL(Int_t index1,Int_t index2,Double_t *l1,Double_t *l2){ |
269f57ed | 563 | Double_t g[3]; LtoG(index1,l1,g);GtoL(index2,g,l2);} |
564 | // Transforms from one detector local coordinate system | |
565 | // to another detector local coordinate system for the detector | |
566 | // id1[3] to the detector id2[3]. The local coordinates are given | |
567 | // in two Double point arrays l1[3], and l2[3]. | |
568 | void LtoL(const Int_t *id1,const Int_t *id2,Double_t *l1,Double_t *l2){ | |
569 | LtoL(GetModuleIndex(id1[0],id1[1],id1[2]), | |
570 | GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);} | |
571 | // | |
572 | // Transforms from one detector local coordinate system (used for | |
573 | // ITS tracking) to another detector local coordinate system (used | |
574 | // for ITS tracking) for the detector module index1 number to the | |
575 | // detector module index2 number. The local coordinates are given | |
576 | // in two Double point arrays l1[3], and l2[3]. | |
85f1e34a | 577 | void LtoLtracking(Int_t index1,Int_t index2, |
269f57ed | 578 | Double_t *l1,Double_t *l2){ |
579 | Double_t g[3]; LtoGtracking(index1,l1,g);GtoLtracking(index2,g,l2);} | |
580 | // Transforms from one detector local coordinate system (used for | |
581 | // ITS tracking) to another detector local coordinate system (used | |
582 | // for ITS tracking) for the detector id1[3] to the detector id2[3]. | |
583 | // The local coordinates are given in two Double point arrays l1[3], | |
584 | // and l2[3]. | |
585 | void LtoLtracking(const Int_t *id1,const Int_t *id2, | |
586 | Double_t *l1,Double_t *l2){ | |
587 | LtoLtracking(GetModuleIndex(id1[0],id1[1],id1[2]), | |
588 | GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);} | |
589 | // | |
590 | // Transforms of momentum types of quantities from one detector | |
591 | // local coordinate system to another detector local coordinate | |
592 | // system for the detector module index1 number to the detector | |
593 | // module index2 number. The local coordinates are given in two | |
594 | // Double point arrays l1[3], and l2[3]. | |
85f1e34a | 595 | void LtoLMomentum(Int_t index1,Int_t index2, |
269f57ed | 596 | const Double_t *l1,Double_t *l2){ |
597 | Double_t g[3]; LtoGMomentum(index1,l1,g);GtoLMomentum(index2,g,l2);} | |
598 | // Transforms of momentum types of quantities from one detector | |
599 | // local coordinate system to another detector local coordinate | |
600 | // system for the detector id1[3] to the detector id2[3]. The local | |
601 | // coordinates are given in two Double point arrays l1[3], and l2[3]. | |
b79e4bc3 | 602 | void LtoLMomentum(const Int_t *id1,const Int_t *id2, |
269f57ed | 603 | const Double_t *l1,Double_t *l2){ |
604 | LtoLMomentum(GetModuleIndex(id1[0],id1[1],id1[2]), | |
605 | GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);} | |
606 | // | |
607 | // Transforms of momentum types of quantities from one detector | |
608 | // local coordinate system (used by ITS tracking) to another detector | |
609 | // local coordinate system (used by ITS tracking) for the detector | |
610 | // module index1 number to the detector module index2 number. The | |
611 | // local coordinates are given in two Double point arrays l1[3], | |
612 | // and l2[3]. | |
85f1e34a | 613 | void LtoLMomentumTracking(Int_t index1,Int_t index2, |
269f57ed | 614 | Double_t *l1,Double_t *l2){ |
615 | Double_t g[3]; LtoGMomentumTracking(index1,l1,g); | |
616 | GtoLMomentumTracking(index2,g,l2);} | |
617 | // Transforms of momentum types of quantities from one detector | |
618 | // local coordinate system (used by ITS tracking) to another detector | |
619 | // local coordinate system (used by ITS tracking) for the detector | |
620 | // id1[3] to the detector id2[3]. The local coordinates are given in | |
621 | // two Double point arrays l1[3], and l2[3]. | |
622 | void LtoLMomentumTracking(const Int_t *id1,const Int_t *id2, | |
623 | Double_t *l1,Double_t *l2){ | |
624 | LtoLMomentumTracking(GetModuleIndex(id1[0],id1[1],id1[2]), | |
625 | GetModuleIndex(id2[0],id2[1],id2[2]),l1,l2);} | |
626 | // | |
627 | // Transforms a matrix, like an Uncertainty or Error matrix from | |
628 | // the ALICE Global coordinate system to a detector local coordinate | |
629 | // system. The specific detector is determined by the module index | |
630 | // number. | |
85f1e34a | 631 | void GtoLErrorMatrix(Int_t index,const Double_t **g,Double_t **l){ |
8253cd9a | 632 | GetGeomMatrix(index)->GtoLPositionError((Double_t (*)[3])g,(Double_t (*)[3])l);} |
269f57ed | 633 | // |
634 | // Transforms a matrix, like an Uncertainty or Error matrix from | |
635 | // the ALICE Global coordinate system to a detector local coordinate | |
636 | // system (used by ITS tracking). The specific detector is determined | |
637 | // by the module index number. | |
85f1e34a | 638 | void GtoLErrorMatrixTracking(Int_t index,const Double_t **g, |
269f57ed | 639 | Double_t **l){ |
8253cd9a | 640 | if(IsGeantToTracking()) GetGeomMatrix(index)->GtoLPositionError(( |
d962cab4 | 641 | Double_t (*)[3])g,(Double_t (*)[3])l); |
8253cd9a | 642 | else GetGeomMatrix(index)->GtoLPositionErrorTracking( |
d962cab4 | 643 | (Double_t (*)[3])g,(Double_t (*)[3])l);} |
269f57ed | 644 | // |
645 | // Transforms a matrix, like an Uncertainty or Error matrix from | |
646 | // the detector local coordinate system to a ALICE Global coordinate | |
647 | // system. The specific detector is determined by the module index | |
648 | // number. | |
85f1e34a | 649 | void LtoGErrorMatrix(Int_t index,const Double_t **l,Double_t **g){ |
8253cd9a | 650 | GetGeomMatrix(index)->LtoGPositionError((Double_t (*)[3])l,(Double_t (*)[3])g);} |
269f57ed | 651 | // |
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, |
269f57ed | 657 | Double_t **g){ |
8253cd9a | 658 | if(IsGeantToTracking()) GetGeomMatrix(index)->LtoGPositionError(( |
d962cab4 | 659 | Double_t (*)[3])g,(Double_t (*)[3])l); |
8253cd9a | 660 | else GetGeomMatrix(index)->LtoGPositionErrorTracking((Double_t (*)[3])l, |
d962cab4 | 661 | (Double_t (*)[3])g);} |
269f57ed | 662 | // |
663 | // Transforms a matrix, like an Uncertainty or Error matrix from | |
664 | // one detector local coordinate system to another detector local | |
665 | // coordinate system. The specific detector is determined by the | |
666 | // two module index number index1 and index2. | |
85f1e34a | 667 | void LtoLErrorMatrix(Int_t index1,Int_t index2, |
269f57ed | 668 | const Double_t **l1,Double_t **l2){ |
669 | Double_t g[3][3]; | |
670 | LtoGErrorMatrix(index1,l1,(Double_t **)g); | |
671 | GtoLErrorMatrix(index2,(const Double_t **)g,l2);} | |
672 | // | |
673 | // Transforms a matrix, like an Uncertainty or Error matrix from | |
674 | // one detector local coordinate system (used by ITS tracking) to | |
675 | // another detector local coordinate system (used by ITS tracking). | |
676 | // The specific detector is determined by the two module index number | |
677 | // index1 and index2. | |
85f1e34a | 678 | void LtoLErrorMatrixTraking(Int_t index1,Int_t index2, |
269f57ed | 679 | const Double_t **l1,Double_t **l2){Double_t g[3][3]; |
680 | LtoGErrorMatrixTracking(index1,l1,(Double_t **)g); | |
681 | GtoLErrorMatrixTracking(index2,(const Double_t **)g,l2);} | |
682 | // Find Specific Modules | |
85f1e34a | 683 | // Locate the nearest module to the point g, in ALICE global Cartesian |
684 | // coordinates [cm] in a give layer. If layer = 0 then it search in | |
685 | // all layers. | |
686 | Int_t GetNearest(const Double_t g[3],Int_t lay=0); | |
687 | // Locates the nearest 27 modules, in nearest order, to the point g, in | |
688 | // ALICE global Cartesian coordinates [cm] in a give layer. If layer = 0 | |
689 | // then it searches in all layers. (there are 27 elements in a 3x3x3 | |
690 | // cube. | |
691 | void GetNearest27(const Double_t g[3],Int_t n[27],Int_t lay=0); | |
269f57ed | 692 | // Returns the distance [cm] between the point g[3] and the center of |
693 | // the detector/module specified by the the module index number. | |
85f1e34a | 694 | Double_t Distance(Int_t index,const Double_t g[3]){ |
8253cd9a | 695 | return TMath::Sqrt(GetGeomMatrix(index)->Distance2(g));} |
269f57ed | 696 | // Geometry manipulation |
85f1e34a | 697 | // This function performs a Cartesian translation and rotation of |
698 | // the full ITS from its default position by an amount determined by | |
699 | // the three element arrays tran and rot. | |
269f57ed | 700 | void GlobalChange(const Float_t *tran,const Float_t *rot); |
85f1e34a | 701 | // This function performs a Cylindrical translation and rotation of |
702 | // the full ITS from its default position by an amount determined by | |
703 | // the three element arrays tran and rot. | |
269f57ed | 704 | void GlobalCylindericalChange(const Float_t *tran,const Float_t *rot); |
85f1e34a | 705 | // This function performs a Gaussian random displacement and/or |
706 | // rotation about the present global position of each active | |
707 | // volume/detector of the ITS with variances given by stran and srot. | |
269f57ed | 708 | void RandomChange(const Float_t *stran,const Float_t *srot); |
85f1e34a | 709 | // This function performs a Gaussian random displacement and/or |
710 | // rotation about the present global position of each active | |
711 | // volume/detector of the ITS with variances given by stran and srot. | |
712 | // But in Cylindrical coordinates. | |
269f57ed | 713 | void RandomCylindericalChange(const Float_t *stran,const Float_t *srot); |
85f1e34a | 714 | // This function converts these transformations from Alice global and |
715 | // local to Tracking global and local. | |
269f57ed | 716 | void GeantToTracking(AliITSgeom &source); // This converts the geometry |
717 | // Other routines. | |
85f1e34a | 718 | // This routine prints, to a file, the difference between this class |
719 | // and "other". | |
58005f18 | 720 | void PrintComparison(FILE *fp,AliITSgeom *other); |
85f1e34a | 721 | // This routine prints, to a file, the contents of this class. |
722 | void PrintData(FILE *fp,Int_t lay,Int_t lad,Int_t det); | |
723 | // This function prints out this class in a single stream. This steam | |
724 | // can be read by ReadGeom. | |
58005f18 | 725 | ofstream &PrintGeom(ofstream &out); |
85f1e34a | 726 | // This function reads in that single steam printed out by PrintGeom. |
58005f18 | 727 | ifstream &ReadGeom(ifstream &in); |
e8189707 | 728 | |
085bb6ed | 729 | private: |
8253cd9a | 730 | char fVersion[20];// Transformation version. |
731 | Int_t fTrans; // Flag to keep track of which transformation | |
732 | Int_t fNmodules;// The total number of modules | |
733 | Int_t fNlayers; // The number of layers. | |
85f1e34a | 734 | Int_t *fNlad; //[fNlayers] Array of the number of ladders/layer(layer) |
735 | Int_t *fNdet;//[fNlayers] Array of the number of detector/ladder(layer) | |
736 | TObjArray *fGm; // Structure of translation. and rotation. | |
8253cd9a | 737 | TObjArray *fShape; // Array of shapes and detector information. |
738 | ||
269f57ed | 739 | ClassDef(AliITSgeom,2) // ITS geometry class |
58005f18 | 740 | }; |
741 | ||
742 | #endif |