X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITSgeom.cxx;h=287e67870e6a5bb3ee18e035a9c132941929d1e8;hb=bc7bc94b850b090b057aee92a89f00f46fa2fda3;hp=eda68aef36d163f7ab1846bdd51e6c54143723a2;hpb=8253cd9a5d0623cc12e3988805226c336ee99c0f;p=u%2Fmrichter%2FAliRoot.git diff --git a/ITS/AliITSgeom.cxx b/ITS/AliITSgeom.cxx index eda68aef36d..287e67870e6 100644 --- a/ITS/AliITSgeom.cxx +++ b/ITS/AliITSgeom.cxx @@ -13,59 +13,7 @@ * provided "as is" without express or implied warranty. * **************************************************************************/ -/* -$Log$ -Revision 1.11 2000/10/02 16:32:35 barbera -Forward declaration added - -Revision 1.4.4.15 2000/10/02 15:52:05 barbera -Forward declaration added - -Revision 1.10 2000/09/05 14:25:50 nilsen -Made fixes for HP compiler. All function parameter default values placed -in .h file. Fixed the usual problem with HP comilers and the "for(Int_t i..." -business. Replaced casting (Double_t [3][3]) to (Double_t (*)[3]) for HP. -Lastly removed all "const" before function parameters which were 2 dim. arrays, -because on HP root generates some strange code (?). Thanks Peter for the -changes. - -Revision 1.9 2000/08/29 20:19:03 nilsen -Removed dependancy on structure AliITSeomS and replaced it with class -AliITSgeomMatrix. Added many new functions with many new arguments. Most -in the form of in line functions for speed. - -Revision 1.4.4.6 2000/06/04 16:33:32 Nilsen -A restructured AliITSgeom class. Now used AliITSgeomMatrix. - -Revision 1.4.4.5 2000/03/04 23:42:39 Nilsen -Updated the comments/documentations and improved the maintainability of the -code. - -Revision 1.4.4.4 2000/03/02 21:27:07 Nilsen -Added two functions, SetByAngles and SetTrans. - -Revision 1.4.4.3 2000/01/23 03:09:10 Nilsen -// fixed compiler warnings for new function LtLErrorMatrix(...) - -Revision 1.4.4.2 2000/01/19 23:18:20 Nilsen -Added transformations of Error matrix to AliITSgeom and fixed some typos -in AliITS.h and AliITShitIndex.h - -Revision 1.4.4.1 2000/01/12 19:03:32 Nilsen -This is the version of the files after the merging done in December 1999. -See the ReadMe110100.txt file for details - -Revision 1.4 1999/10/15 07:03:20 fca -Fixed bug in GetModuleId(Int_t index,Int_t &lay,Int_t &lad, Int_t &det) and -a typo in the creator. aliroot need to be rerun to get a fixed geometry. - -Revision 1.3 1999/10/04 15:20:12 fca -Correct syntax accepted by g++ but not standard for static members, remove minor warnings - -Revision 1.2 1999/09/29 09:24:20 fca -Introduction of the Copyright and cvs Log - -*/ +/* $Id$ */ /////////////////////////////////////////////////////////////////////// // ITS geometry manipulation routines. // @@ -74,8 +22,9 @@ Introduction of the Copyright and cvs Log // By: Bjorn S. Nilsen // // version: 0.0.1 // // Updated May 27 1999. // -// Added Cylindrical random and global based changes. // +// Added Cylindrical random and global based changes. // // Added function PrintComparison. // +// Modified and added functions Feb. 7 2006 // /////////////////////////////////////////////////////////////////////// @@ -135,269 +84,378 @@ pixel coordinate system. // // Data Members: // +// TString fVersion +// Transformation version. +// Int_t fTrans +// Flag to keep track of which transformation +// Int_t fNmodules +// The total number of modules // Int_t fNlayers // The number of ITS layers for this geometry. By default this // is 6, but can be modified by the creator function if there are // more layers defined. // -// Int_t *fNlad +// TArrayI fNlad // A pointer to an array fNlayers long containing the number of // ladders for each layer. This array is typically created and filled // by the AliITSgeom creator function. // -// Int_t *fNdet +// TArrayI fNdet // A pointer to an array fNlayers long containing the number of // active detector volumes for each ladder. This array is typically // created and filled by the AliITSgeom creator function. // -// AliITSgeomMatrix *fGm +// TObjArray fGm containing objects of type AliITSgeomMatrix // A pointer to an array of AliITSgeomMatrix classes. One element // per module (detector) in the ITS. AliITSgeomMatrix basicly contains // all of the necessary information about the detector and it's coordinate // transformations. // -// TObjArray *fShape +// TObjArray fShape containting objects of type AliITSgeom // A pointer to an array of TObjects containing the detailed shape // information for each type of detector used in the ITS. For example -// I have created AliITSgeomSPD, AliITSgeomSDD, and AliITSgeomSSD as -// example structures, derived from TObjects, to hold the detector -// information. I would recommend that one element in each of these -// structures, that which describes the shape of the active volume, -// be one of the ROOT classes derived from TShape. In this way it would -// be easy to have the display program display the correct active -// ITS volumes. See the example classes AliITSgeomSPD, AliITSgeomSDD, -// and AliITSgeomSSD for a more detailed example. +// I have created AliITSgeomSPD, AliITSgeomSDD, and +// AliITSsegmenttionSSD as example structures, derived from TObjects, +// to hold the detector information. I would recommend that one element +// in each of these structures, that which describes the shape of the +// active volume, be one of the ROOT classes derived from TShape. In this +// way it would be easy to have the display program display the correct +// active ITS volumes. See the example classes AliITSgeomSPD, +// AliITSgeomSDD, and AliITSgeomSSD for a more detailed +// example. //////////////////////////////////////////////////////////////////////// -#include -#include -#include -#include -#include -#include +#include #include -#include -#include -#include #include +#include +#include -#include "AliITSgeom.h" -//#include "AliITSgeomMatrix.h" // include in AliITSgeom.h #include "AliITSgeomSPD.h" #include "AliITSgeomSDD.h" #include "AliITSgeomSSD.h" +#include "AliITSgeom.h" +#include "AliLog.h" ClassImp(AliITSgeom) -//_____________________________________________________________________ -AliITSgeom::AliITSgeom(){ -//////////////////////////////////////////////////////////////////////// -// The default constructor for the AliITSgeom class. It, by default, -// sets fNlayers to zero and zeros all pointers. -//////////////////////////////////////////////////////////////////////// - // Default constructor. - // Do not allocate anything zero everything - fTrans = 0; // standard GEANT global/local coordinate system. - fNlayers = 0; - fNlad = 0; - fNdet = 0; - fGm = 0; - fShape = 0; - strcpy(fVersion,"test"); +//______________________________________________________________________ +AliITSgeom::AliITSgeom(): +TObject(), +fVersion("GEANT"),// Transformation version. +fTrans(0), // Flag to keep track of which transformation +fNmodules(0), // The total number of modules +fNlayers(0), // The number of layers. +fNlad(), //[] Array of the number of ladders/layer(layer) +fNdet(), //[] Array of the number of detector/ladder(layer) +fGm(0,0), // Structure of translation. and rotation. +fShape(0,0) // Array of shapes and detector information. +{ + // The default constructor for the AliITSgeom class. It, by default, + // sets fNlayers to zero and zeros all pointers. + // Do not allocate anything zero everything. + // Inputs: + // none. + // Outputs: + // none. + // Return: + // a zeroed AliITSgeom object. + + fGm.SetOwner(kTRUE); + fShape.SetOwner(kTRUE); return; } -//_____________________________________________________________________ -AliITSgeom::AliITSgeom(Int_t itype,Int_t nlayers,Int_t *nlads,Int_t *ndets, - Int_t mods){ -//////////////////////////////////////////////////////////////////////// -// A simple constructor to set basic geometry class variables -// Input: -// itype the type of transofmation kept. -// 0 => Standard Geant -// bit 1 => ITS tracking -// bit 2 => A change in the coordiante system has been made. -// others are still to be defined as needed. -// nlayers The number of ITS layers also set the size of the arrays -// *nlads an array of the number of ladders for each layer -// *ndets an array of the number of detectors per ladder for each layer. -//////////////////////////////////////////////////////////////////////// - Int_t i; - fTrans = itype; - fNlayers = nlayers; - fNlad = new Int_t[nlayers]; - fNdet = new Int_t[nlayers]; - for(i=0;iAddAt(0,i); - strcpy(fVersion,"test"); +//______________________________________________________________________ +AliITSgeom::AliITSgeom(Int_t itype,Int_t nlayers,const Int_t *nlads, + const Int_t *ndets,Int_t mods): +TObject(), +fVersion("GEANT"), // Transformation version. +fTrans(itype), // Flag to keep track of which transformation +fNmodules(mods), // The total number of modules +fNlayers(nlayers), // The number of layers. +fNlad(nlayers,nlads),//[] Array of the number of ladders/layer(layer) +fNdet(nlayers,ndets),//[] Array of the number of detector/ladder(layer) +fGm(mods,0), // Structure of translation. and rotation. +fShape(5,0) // Array of shapes and detector information. +{ + // A simple constructor to set basic geometry class variables + // Inputs: + // Int_t itype the type of transformation kept. + // bit 0 => Standard GEANT + // bit 1 => ITS tracking + // bit 2 => A change in the coordinate system + // has been made. others are still to be defined + // as needed. + // Int_t nlayers The number of ITS layers also set the size of + // the arrays + // Int_t *nlads an array of the number of ladders for each + // layer. This array must be nlayers long. + // Int_t *ndets an array of the number of detectors per ladder + // for each layer. This array must be nlayers long. + // Int_t mods The number of modules. Typically the sum of all the + // detectors on every layer and ladder. + // Outputs: + // none + // Return: + // A properly inilized AliITSgeom object. + + fGm.SetOwner(kTRUE); + fShape.SetOwner(kTRUE); + return; +} +//______________________________________________________________________ +void AliITSgeom::Init(Int_t itype,Int_t nlayers,const Int_t *nlads, + const Int_t *ndets,Int_t mods){ + // A simple Inilizer to set basic geometry class variables + // Inputs: + // Int_t itype the type of transformation kept. + // bit 0 => Standard GEANT + // bit 1 => ITS tracking + // bit 2 => A change in the coordinate system + // has been made. others are still to be defined + // as needed. + // Int_t nlayers The number of ITS layers also set the size of + // the arrays + // Int_t *nlads an array of the number of ladders for each + // layer. This array must be nlayers long. + // Int_t *ndets an array of the number of detectors per ladder + // for each layer. This array must be nlayers long. + // Int_t mods The number of modules. Typically the sum of all the + // detectors on every layer and ladder. + // Outputs: + // none + // Return: + // A properly inilized AliITSgeom object. + + fVersion = "GEANT"; // Transformation version. + fTrans = itype; // Flag to keep track of which transformation + fNmodules = mods; // The total number of modules + fNlayers = nlayers; // The number of layers. + fNlad.Set(nlayers,nlads);//[] Array of the number of ladders/layer(layer) + fNdet.Set(nlayers,ndets);//[] Array of the number of detector/ladder(layer) + fGm.Clear(); + fGm.Expand(mods); // Structure of translation. and rotation. + fGm.SetOwner(kTRUE); + fShape.Clear(); + fShape.Expand(5); // Array of shapes and detector information. + fShape.SetOwner(kTRUE); return; } //______________________________________________________________________ -void AliITSgeom::CreatMatrix(Int_t mod,Int_t lay,Int_t lad,Int_t det, - AliITSDetector idet,Double_t tran[3], - Double_t rot[10]){ +void AliITSgeom::CreateMatrix(Int_t mod,Int_t lay,Int_t lad,Int_t det, + AliITSDetector idet,const Double_t tran[3], + const Double_t rot[10]){ + // Given the translation vector tran[3] and the rotation matrix rot[1], + // this function creates and adds to the TObject Array fGm the + // AliITSgeomMatrix object. + // The rot[10] matrix is set up like: + /* / rot[0] rot[1] rot[2] \ + // | rot[3] rot[4] rot[5] | + // \ rot[6] rot[7] rot[8] / if(rot[9]!=0) then the Identity matrix + // is used regardless of the values in rot[0]-rot[8]. + */ + // Inputs: + // Int_t mod The module number. The location in TObjArray + // Int_t lay The layer where this module is + // Int_t lad On which ladder this module is + // Int_t det Which detector on this ladder this module is + // AliITSDetector idet The type of detector see AliITSgeom.h + // Double_t tran[3] The translation vector + // Double_t rot[10] The rotation matrix. + // Outputs: + // none + // Return: + // none. Int_t id[3]; Double_t r[3][3] = {{1.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,1.0}}; - if(fGm->At(mod)!=0) delete fGm->At(mod); + if(mod<0||mod>=fGm.GetSize()){ + Error("CreateMatrix","mod=%d is out of bounds max value=%d",mod, + fGm.GetSize()); + return; + } // end if + delete fGm.At(mod); id[0] = lay; id[1] = lad; id[2] = det; if(rot[9]!=0.0) { // null rotation - r[0][0] = rot[0]; r[0][1] = rot[1]; r[0][2] = rot[2]; - r[1][0] = rot[3]; r[1][1] = rot[4]; r[1][2] = rot[5]; - r[2][0] = rot[6]; r[2][1] = rot[7]; r[2][2] = rot[8]; + r[0][0] = rot[0]; r[0][1] = rot[1]; r[0][2] = rot[2]; + r[1][0] = rot[3]; r[1][1] = rot[4]; r[1][2] = rot[5]; + r[2][0] = rot[6]; r[2][1] = rot[7]; r[2][2] = rot[8]; } // end if - fGm->AddAt(new AliITSgeomMatrix(idet,id,r,tran),mod); + fGm.AddAt(new AliITSgeomMatrix(idet,id,r,tran),mod); } -//_____________________________________________________________________ +//______________________________________________________________________ AliITSgeom::~AliITSgeom(){ -//////////////////////////////////////////////////////////////////////// -// The destructor for the AliITSgeom class. If the arrays fNlad, -// fNdet, or fGm have had memory allocated to them, there pointer values -// are non zero, then this memory space is freed and they are set -// to zero. In addition, fNlayers is set to zero. The destruction of -// TObjArray fShape is, by default, handled by the TObjArray destructor. -//////////////////////////////////////////////////////////////////////// - // Default destructor. - // if arrays exist delete them. Then set everything to zero. - if(fGm!=0){ - for(Int_t i=0;iAt(i); - delete fGm; - } // end if fGm!=0 - if(fNlad!=0) delete[] fNlad; - if(fNdet!=0) delete[] fNdet; - fNlayers = 0; - fNlad = 0; - fNdet = 0; - fGm = 0; - return; + // The destructor for the AliITSgeom class. If the arrays fNlad, + // fNdet, or fGm have had memory allocated to them, there pointer values + // are non zero, then this memory space is freed and they are set + // to zero. In addition, fNlayers is set to zero. The destruction of + // TObjArray fShape is, by default, handled by the TObjArray destructor. + // Inputs: + // none. + // Outputs: + // none. + // Return: + // none. + + return; } //______________________________________________________________________ void AliITSgeom::ReadNewFile(const char *filename){ + // It is generally preferred to define the geometry in AliITSgeom + // directly from the GEANT geometry, see AliITSvPPRasymm.cxx for + // and example. Under some circumstances this may not be possible. + // This function will read in a formatted file for all of the + // information needed to define the geometry in AliITSgeom. + // Unlike the older file format, this file may contain comments + // and the order of the data does not need to be completely + // respected. A file can be created using the function WriteNewFile + // defined below. + // Inputs: + // const char *filename The file name of the file to be read in. + // Outputs: + // none + // Return: + // none. Int_t ncmd=9; - char *cmda[]={"Version" ,"fTrans" ,"fNmodules", - "fNlayers" ,"fNladers","fNdetectors", - "fNDetectorTypes","fShape" ,"Matrix"}; + const char *cmda[]={"Version" ,"fTrans" ,"fNmodules", + "fNlayers" ,"fNladers","fNdetectors", + "fNDetectorTypes","fShape" ,"Matrix"}; Int_t i,j,lNdetTypes,ldet; char cmd[20],c; - AliITSgeomSPD *spd; - AliITSgeomSDD *sdd; - AliITSgeomSSD *ssd; - AliITSgeomMatrix *m; - ifstream *fp; - char *filtmp; + AliITSgeomMatrix *m=0; + ifstream *fp=0; + char *filtmp=0; + Bool_t arrayGm = kFALSE, arrayShape = kFALSE; filtmp = gSystem->ExpandPathName(filename); + AliInfo(Form("Reading New .det file %s",filtmp)); fp = new ifstream(filtmp,ios::in); // open file to write while(fp->get(c)!=NULL){ // for ever loop - if(c==' ') continue; // remove blanks - if(c=='\n') continue; - if(c=='#' || c=='!'){for(;fp->get(c)!=NULL,c!='\n';); continue;} - if(c=='/'){ - fp->get(c);{ - if(c=='/'){for(;fp->get(c)!=NULL,c!='\n';);continue;} - if(c=='*'){ - NotYet: - for(;fp->get(c)!=NULL,c!='*';); - fp->get(c);{ - if(c=='/') continue; - goto NotYet; - } // - } // end if c=='*' - } // end if second / - } // end if first / - fp->unget(); - *fp >> cmd; - for(i=0;i> fVersion; - break; - case 1: // fTrans - *fp >> fTrans; - break; - case 2: // fNModules - *fp >> fNmodules; - if(fGm!=0){ - for(j=0;jGetEntriesFast();j++) delete fGm->At(j); - delete fGm; + if(c==' ') continue; // remove blanks + if(c=='\n') continue; + if(c=='#' || c=='!') {while(fp->get(c)) if(c=='\n') break; continue;} + if(c=='/'){ + fp->get(c);{ + if(c=='/') {while(fp->get(c)) if(c=='\n') break; continue;} + if(c=='*'){ + NotYet: + while(fp->get(c)) if(c=='*') break; + fp->get(c);{ + if(c=='/') continue; + goto NotYet; + } // + } // end if c=='*' + } // end if second / + } // end if first / + fp->putback(c); + *fp >> cmd; + for(i=0;ipeek())) fp->get(); // skip spaces + if(isdigit(fp->peek())){ // new TString + *fp >> j; + fVersion.Resize(j); + for(j=0;j> fVersion[j]; + }else{ + fVersion.Resize(20); + for(j=0;isprint(fp->peek())&&j<20;j++) *fp >> fVersion[j]; + } // end if isdigit + break; + case 1: // fTrans + *fp >> fTrans; + break; + case 2: // fNModules + *fp >> fNmodules; + fGm.Clear(); + fGm.Expand(fNmodules); + fGm.SetOwner(kTRUE); + arrayGm = kTRUE; + break; + case 3: // fNlayers + *fp >> fNlayers; + fNlad.Set(fNlayers); + fNdet.Set(fNlayers); + break; + case 4: // fNladers + for(j=0;j> fNlad[j]; + break; + case 5: // fNdetectors + for(j=0;j> fNdet[j]; + break; + case 6: // fNDetectorTypes + *fp >> lNdetTypes; + fShape.Clear(); + fShape.Expand(lNdetTypes); + fShape.SetOwner(kTRUE); + arrayShape = kTRUE; + break; + case 7: // fShape + *fp >> ldet; + if(!arrayShape) fShape.Expand(5); + fShape.SetOwner(kTRUE); + switch (ldet){ + case kSPD :{ + AliITSgeomSPD *spd = new AliITSgeomSPD(); + *fp >> *spd; + ReSetShape(ldet,spd); + } break; + case kSDD : case kSDDp:{ + AliITSgeomSDD *sdd = new AliITSgeomSDD(); + *fp >> *sdd; + ReSetShape(ldet,sdd); + }break; + case kSSD : case kSSDp :{ + AliITSgeomSSD *ssd = new AliITSgeomSSD(); + *fp >> *ssd; + ReSetShape(ldet,ssd); + }break; + default:{ + AliError(Form("Unknown fShape type number=%d c=%c",ldet,c)); + while(fp->get(c)) if(c=='\n') break; // skip to end of line. + }break; + } // end switch + break; + case 8: // Matrix + *fp >> ldet; + if(!arrayGm){ + fGm.Clear(); + fGm.Expand(2270); + arrayGm = kTRUE; + } // end if + if(ldet<0||ldet>=fGm.GetSize()){ + Error("ReadNewFile","ldet<0||ldet>=fGm.GetSize()=%d", + ldet,fGm.GetSize()); + return; } // end if - fGm = new TObjArray(fNmodules,0); - break; - case 3: // fNlayers - *fp >> fNlayers; - if(fNlad!=0) delete fNlad; - if(fNdet!=0) delete fNdet; - fNlad = new Int_t[fNlayers]; - fNdet = new Int_t[fNlayers]; - break; - case 4: // fNladers - for(j=0;j> fNlad[j]; - break; - case 5: // fNdetectors - for(j=0;j> fNdet[j]; - break; - case 6: // fNDetectorTypes - *fp >> lNdetTypes; - if(fShape!=0){ - for(j=0;jGetEntriesFast();j++) delete fShape->At(j); - delete fShape; - } // end if - fShape = new TObjArray(lNdetTypes,0); - break; - case 7: // fShape - *fp >> ldet; - if(fShape==0) fShape = new TObjArray(4,0); - switch (ldet){ - case kSPD : - ReSetShape(ldet,(TObject*) new AliITSgeomSPD()); - spd = (AliITSgeomSPD*) (fShape->At(ldet)); - *fp >> *spd; - spd = 0; - break; - case kSDD : - ReSetShape(ldet,(TObject*) new AliITSgeomSDD()); - sdd = (AliITSgeomSDD*) (fShape->At(ldet)); - *fp >> *sdd; - sdd = 0; - break; - case kSSD : case kSSDp : - ReSetShape(ldet,(TObject*) new AliITSgeomSSD()); - ssd = (AliITSgeomSSD*) (fShape->At(ldet)); - *fp >> *ssd; - ssd = 0; - break; - default: - Error("AliITSgeom::ReadNewFile","Unknown fShape type"); - for(;fp->get(c)==NULL,c!='\n';); // skip to end of line. - break; - } // end switch - break; - case 8: // Matrix - *fp >> ldet; - if(fGm==0) fGm = new TObjArray(2270,0); - if(fGm->At(ldet)!=0) delete (fGm->At(ldet)); - fGm->AddAt((TObject*)new AliITSgeomMatrix(),ldet); - m = (AliITSgeomMatrix*) fGm->At(ldet); - *fp >> *m; - m = 0; - break; - default: - Error("AliITSgeom::ReadNewFile","Data line"); - for(;fp->get(c)==NULL,c!='\n';); // skip this line - break; - } // end switch i + delete fGm.At(ldet); + fGm.AddAt((TObject*)new AliITSgeomMatrix(),ldet); + m = (AliITSgeomMatrix*) fGm.At(ldet); + *fp >> *m; + m = 0; + break; + default: + AliError(Form("ReadNewFile","Data line i=%d c=%c",i,c)); + while(fp->get(c)) if(c=='\n') break; // skip this line + break; + } // end switch i } // end while delete fp; return; } //______________________________________________________________________ -void AliITSgeom::WriteNewFile(const char *filename){ -// Writes AliITSgeom, AliITSgeomMatrix, and the defined AliITSgeomS*D classes -// to a file in a format that is more readable and commentable. +void AliITSgeom::WriteNewFile(const char *filename)const{ + // Writes AliITSgeom, AliITSgeomMatrix, and the defined + // AliITSgeomS*D classes to a file in a format that + // is more readable and commendable. + // Inputs: + // const char *filename The file name of the file to be write to. + // Outputs: + // none + // Return: + // none ofstream *fp; Int_t i; char *filtmp; @@ -410,9 +468,11 @@ void AliITSgeom::WriteNewFile(const char *filename){ *fp << "/* In AliITSgeom.h are defined an enumerated type called" << endl; *fp << " AliITSDetectors These are kSPD=" << (Int_t) kSPD ; *fp << ", kSDD=" << (Int_t) kSDD << ", kSSD=" << (Int_t) kSSD; - *fp << ", and kSSDp=" << (Int_t) kSSDp << "*/" << endl; - *fp << "Version " << fVersion << endl;//This should be consistant with the - // geometry version. + *fp << ", kSSDp=" << (Int_t) kSSDp << ", and kSDDp=" << (Int_t) kSDDp; + *fp << "*/" << endl; + *fp << "Version "<< fVersion.Length()<<" " << fVersion.Data() << endl;// + // This should be consistent + // with the geometry version. *fp << "fTrans " << fTrans << endl; *fp << "fNmodules " << fNmodules << endl; *fp << "fNlayers " << fNlayers << endl; @@ -422,21 +482,21 @@ void AliITSgeom::WriteNewFile(const char *filename){ *fp << "fNdetectors "; for(i=0;iGetEntriesFast() << endl; - for(i=0;iGetEntriesFast();i++){ + *fp << "fNDetectorTypes " << fShape.GetEntriesFast() << endl; + for(i=0;iAt(i))); + *fp << *((AliITSgeomSPD*)(fShape.At(i))); break; case kSDD : *fp << "fShape " << (Int_t) kSDD << " "; - *fp << *((AliITSgeomSDD*)(fShape->At(i))); + *fp << *((AliITSgeomSDD*)(fShape.At(i))); break; case kSSD : case kSSDp : *fp << "fShape " << i << " "; - *fp << *((AliITSgeomSSD*)(fShape->At(i))); + *fp << *((AliITSgeomSSD*)(fShape.At(i))); break; default: Error("AliITSgeom::WriteNewFile","Unknown Shape value"); @@ -451,196 +511,297 @@ void AliITSgeom::WriteNewFile(const char *filename){ delete fp; return; } -//_____________________________________________________________________ -AliITSgeom::AliITSgeom(const char *filename){ -//////////////////////////////////////////////////////////////////////// -// The constructor for the AliITSgeom class. All of the data to fill -// this structure is read in from the file given my the input filename. -//////////////////////////////////////////////////////////////////////// - FILE *pf=0; - Int_t i,lm=0,id[3]; - Int_t l,a,d; - Float_t x,y,z,o,p,q,r,s,t; - Double_t rot6[6],tran[3]; - char buf[200],*buff=0; // input character buffer; - char *filtmp; - - filtmp = gSystem->ExpandPathName(filename); - fShape = 0; - strcpy(fVersion,"DefauleV5"); - pf = fopen(filtmp,"r"); +//______________________________________________________________________ +AliITSgeom::AliITSgeom(const char *filename): +TObject(), +fVersion("test"),// Transformation version. +fTrans(0), // Flag to keep track of which transformation +fNmodules(0), // The total number of modules +fNlayers(0), // The number of layers. +fNlad(), // TArrayI of the number of ladders/layer(layer) +fNdet(), // TArrayI of the number of detector/ladder(layer) +fGm(0,0), // TObjArray Structure of translation. and rotation. +fShape(0,0) // TObjArray of detector geom. +{ + // The constructor for the AliITSgeom class. All of the data to fill + // this structure is read in from the file given my the input filename. + // Inputs: + // const char *filename The file name of the file to be read in. + // Outputs: + // none + // Return: + // An AliITSgeom class initialized from a file. + FILE *pf=0; + Int_t i,lm=0,id[3]; + Int_t l,a,d; + Float_t x,y,z,o,p,q,r,s,t; + Double_t rot6[6],tran[3]; + char buf[200],*buff=0; // input character buffer; + char *filtmp; - fNlayers = 6; // set default number of ladders -TryAgain: - fNlad = new Int_t[fNlayers]; - fNdet = new Int_t[fNlayers]; - fNmodules = 0; - // find the number of ladders and detectors in this geometry. - for(i=0;iExpandPathName(filename); + Info("AliITSgeom","reading old .det file %s",filtmp); + fVersion="GEANT5"; + pf = fopen(filtmp,"r"); + + fNlayers = 6; // set default number of ladders + TryAgain: + fNlad.Set(fNlayers); + fNdet.Set(fNlayers); + fNmodules = 0; + // find the number of ladders and detectors in this geometry. + for(i=0;ilm) lm = l; - if(l<1 || l>fNlayers) { - printf("error in file %s layer=%d min. is 1 max is %d/n", - filename,l,fNlayers); - continue; - }// end if l - fNmodules++; - if(l<=fNlayers&&fNlad[l-1]fNlayers){ - delete[] fNlad; - delete[] fNdet; - fNlayers = lm; - goto TryAgain; - } // end if lm>fNlayers - // counted the number of ladders and detectors now allocate space. - fGm = new TObjArray(fNmodules,0); - - // Set up Shapes for a default configuration of 6 layers. - fTrans = 0; // standard GEANT global/local coordinate system. - // prepare to read in transforms - lm = 0; // reuse lm as counter of modules. - rewind(pf); // start over reading file - while(fgets(buf,200,pf)!=NULL){ // for ever loop - for(i=0;i<200;i++)if(buf[i]!=' '){ // remove blank spaces. - buff = &(buf[i]); - break; - } // end for i - // remove blank lines and comments. - if(buff[0]=='\n'||buff[0]=='#'||buff[0]=='!'|| - (buff[0]=='/'&&buff[1]=='/')) continue; - x = y = z = o = p = q = r = s = t = 0.0; - sscanf(buff,"%d %d %d %f %f %f %f %f %f %f %f %f", - &l,&a,&d,&x,&y,&z,&o,&p,&q,&r,&s,&t); - if(l<1 || l>fNlayers) { - printf("error in file %s layer=%d min. is 1 max is %d/n", - filename,l,fNlayers); - continue; - }// end if l - id[0] = l;id[1] = a;id[2] = d; - tran[0] = tran[1] = tran[2] = 0.0; - tran[0] = (Double_t)x;tran[1] = (Double_t)y;tran[2] = (Double_t)z; - rot6[0] = rot6[1] = rot6[2] = rot6[3] = rot6[4] = rot6[5] =0.0; - rot6[0] = (Double_t)o;rot6[1] = (Double_t)p;rot6[2] = (Double_t)q; - rot6[3] = (Double_t)r;rot6[4] = (Double_t)s;rot6[5] = (Double_t)t; - switch (l){ - case 1: case 2: // layer 1 or2 SPD - fGm->AddAt(new AliITSgeomMatrix(rot6,kSPD,id,tran),lm++); - break; - case 3: case 4: // layer 3 or 4 SDD - fGm->AddAt(new AliITSgeomMatrix(rot6,kSDD,id,tran),lm++); - break; - case 5: case 6: // layer 5 or 6 SSD - fGm->AddAt(new AliITSgeomMatrix(rot6,kSSD,id,tran),lm++); - break; - } // end switch - } // end while ever loop - fclose(pf); + } // end if isalpha(buff[0]) + sscanf(buff,"%d %d %d %f %f %f %f %f %f %f %f %f", + &l,&a,&d,&x,&y,&z,&o,&p,&q,&r,&s,&t); + if(l>lm) lm = l; + if(l<1 || l>fNlayers) { + printf("error in file %s layer=%d min. is 1 max is %d" + " Trying new format\n",filename,l,fNlayers); + fclose(pf); + ReadNewFile(filename); + return; + //continue; + }// end if l + fNmodules++; + if(l<=fNlayers&&fNlad[l-1]fNlayers){ + fNlayers = lm; + goto TryAgain; + } // end if lm>fNlayers + // counted the number of ladders and detectors now allocate space. + fGm.Expand(fNmodules); + fGm.SetOwner(kTRUE); + fShape.SetOwner(kTRUE); + + // Set up Shapes for a default configuration of 6 layers. + fTrans = 0; // standard GEANT global/local coordinate system. + // prepare to read in transforms + lm = 0; // reuse lm as counter of modules. + rewind(pf); // start over reading file + while(fgets(buf,200,pf)!=NULL){ // for ever loop + for(i=0;i<200;i++)if(buf[i]!=' '){ // remove blank spaces. + buff = &(buf[i]); + break; + } // end for i + // remove blank lines and comments. + if(buff[0]=='\n'||buff[0]=='#'||buff[0]=='!'|| + (buff[0]=='/'&&buff[1]=='/')) continue; + x = y = z = o = p = q = r = s = t = 0.0; + sscanf(buff,"%d %d %d %f %f %f %f %f %f %f %f %f", + &l,&a,&d,&x,&y,&z,&o,&p,&q,&r,&s,&t); + if(l<1 || l>fNlayers) { + Warning("AliITSgeom","error in file %s layer=%d" + " min. is 1 max is %d",filename,l,fNlayers); + continue; + }// end if l + id[0] = l;id[1] = a;id[2] = d; + tran[0] = tran[1] = tran[2] = 0.0; + tran[0] = (Double_t)x;tran[1] = (Double_t)y;tran[2] = (Double_t)z; + rot6[0] = rot6[1] = rot6[2] = rot6[3] = rot6[4] = rot6[5] =0.0; + rot6[0] = (Double_t)o;rot6[1] = (Double_t)p;rot6[2] = (Double_t)q; + rot6[3] = (Double_t)r;rot6[4] = (Double_t)s;rot6[5] = (Double_t)t; + if(lm<0||lm>=fGm.GetSize()){ + Error("AliITSgeom(filename)","lm<0||lm>=fGm.GetSize()=%d", + lm,fGm.GetSize()); + return; + } // end if + switch (l){ + case 1: case 2: // layer 1 or2 SPD + fGm.AddAt(new AliITSgeomMatrix(rot6,kSPD,id,tran),lm++); + break; + case 3: case 4: // layer 3 or 4 SDD + fGm.AddAt(new AliITSgeomMatrix(rot6,kSDD,id,tran),lm++); + break; + case 5: case 6: // layer 5 or 6 SSD + fGm.AddAt(new AliITSgeomMatrix(rot6,kSSD,id,tran),lm++); + break; + } // end switch + } // end while ever loop + fclose(pf); } - -//________________________________________________________________________ -AliITSgeom::AliITSgeom(AliITSgeom &source){ -//////////////////////////////////////////////////////////////////////// -// The copy constructor for the AliITSgeom class. It calls the -// = operator function. See the = operator function for more details. -//////////////////////////////////////////////////////////////////////// - - *this = source; // Just use the = operator for now. - +//______________________________________________________________________ +AliITSgeom::AliITSgeom(const AliITSgeom &source) : +TObject(source), +fVersion(source.fVersion), // Transformation version. +fTrans(source.fTrans), // Flag to keep track of which transformation +fNmodules(source.fNmodules),// The total number of modules +fNlayers(source.fNlayers), // The number of layers. +fNlad(source.fNlad), // Array of the number of ladders/layer(layer) +fNdet(source.fNdet), // Array of the number of detector/ladder(layer) +fGm(source.fGm.GetSize(),source.fGm.LowerBound()),// Structure of + // translation and rotation. +fShape(source.fShape.GetSize(),source.fShape.LowerBound())// Array of shapes + // and detector information. +{ + // The copy constructor for the AliITSgeom class. It calls the + // = operator function. See the = operator function for more details. + // Inputs: + // AliITSgeom &source The AliITSgeom class with which to make this + // a copy of. + // Outputs: + // none. + // Return: + // none. + Int_t i,n; + + n = source.fGm.GetLast()+1; + for(i=source.fGm.LowerBound();ifGm != 0){ - for(i=0;ifNmodules;i++) delete this->fGm->At(i); - delete this->fGm; - } // end if fGm != 0 - if(fNlad != 0) delete[] fNlad; - if(fNdet != 0) delete[] fNdet; - - this->fTrans = source.fTrans; - this->fNmodules = source.fNmodules; - this->fNlayers = source.fNlayers; - this->fNlad = new Int_t[fNlayers]; - for(i=0;ifNlayers;i++) this->fNlad[i] = source.fNlad[i]; - this->fNdet = new Int_t[fNlayers]; - for(i=0;ifNlayers;i++) this->fNdet[i] = source.fNdet[i]; - this->fShape = new TObjArray(*(source.fShape));//This does not make a proper copy. - this->fGm = new TObjArray(this->fNmodules,0); - for(i=0;ifNmodules;i++){ - this->fGm->AddAt(new AliITSgeomMatrix(*( - (AliITSgeomMatrix*)(source.fGm->At(i)))),i); - } // end for i - return; -}//_____________________________________________________________________ -Int_t AliITSgeom::GetModuleIndex(const Int_t lay,const Int_t lad, - const Int_t det){ -//////////////////////////////////////////////////////////////////////// -// This routine computes the module index number from the layer, -// ladder, and detector numbers. The number of ladders and detectors -// per layer is determined when this geometry package is constructed, -// see AliITSgeom(const char *filename) for specifics. -//////////////////////////////////////////////////////////////////////// + if(this == &source) return *this; // don't assign to ones self. + + // if there is an old structure allocated delete it first. + this->fGm.Clear(); + this->fShape.Clear(); + + this->fVersion = source.fVersion; + this->fTrans = source.fTrans; + this->fNmodules = source.fNmodules; + this->fNlayers = source.fNlayers; + this->fNlad = source.fNlad; + this->fNdet = source.fNdet; + this->fGm.Expand(this->fNmodules); + for(i=source.fGm.LowerBound();ifShape.Expand(source.fShape.GetEntriesFast()); + for(i=source.fShape.LowerBound();i=fNmodules) return -1; GetGeomMatrix(i)->GetIndex(id); if(id[0]==lay&&id[1]==lad&&id[2]==det) return i; // Array of modules fGm is not in expected order. Search for this index for(i=0;iGetIndex(id); - if(id[0]==lay&&id[1]==lad&&id[2]==det) return i; + GetGeomMatrix(i)->GetIndex(id); + if(id[0]==lay&&id[1]==lad&&id[2]==det) return i; } // end for i // This layer ladder and detector combination does not exist return -1. return -1; } //______________________________________________________________________ -void AliITSgeom::GetModuleId(const Int_t index, - Int_t &lay,Int_t &lad,Int_t &det){ -//////////////////////////////////////////////////////////////////////// -// This routine computes the layer, ladder and detector number -// given the module index number. The number of ladders and detectors -// per layer is determined when this geometry package is constructed, -// see AliITSgeom(const char *filename) for specifics. -//////////////////////////////////////////////////////////////////////// +void AliITSgeom::GetModuleId(Int_t index,Int_t &lay,Int_t &lad,Int_t &det) +const{ + // This routine computes the layer, ladder and detector number + // given the module index number. The number of ladders and detectors + // per layer is determined when this geometry package is constructed, + // see AliITSgeom(const char *filename) for specifics. + // Inputs: + // Int_t index The module index number, starting from zero. + // Outputs: + // Int_t lay The layer number. Starting from 1. + // Int_t lad The ladder number. Starting from 1. + // Int_t det The detector number. Starting from 1. + // Return: + // none. Int_t id[3]; - - GetGeomMatrix(index)->GetIndex(id); - lay = id[0]; lad = id[1]; det = id[2]; + AliITSgeomMatrix *g = GetGeomMatrix(index); + + if (g == 0x0){ + Error("GetModuleId","Can not get GeoMatrix for index = %d",index); + lay = -1; lad = -1; det = -1; + }else{ + g->GetIndex(id); + lay = id[0]; lad = id[1]; det = id[2]; + }// End if return; - // The old way kept for posterity. /* Int_t i,j,k; @@ -661,446 +822,843 @@ void AliITSgeom::GetModuleId(const Int_t index, return; */ } -//___________________________________________________________________________ -Int_t AliITSgeom::GetStartDet(const Int_t dtype){ - ///////////////////////////////////////////////////////////////////////// - // returns the starting module index value for a give type of detector id - ///////////////////////////////////////////////////////////////////////// - - switch(dtype){ - case 0: - return GetModuleIndex(1,1,1); - break; - case 1: - return GetModuleIndex(3,1,1); - break; - case 2: - return GetModuleIndex(5,1,1); - break; - default: - printf(" undefined detector type\n"); - return 0; - } // end switch - - printf(" undefined detector type\n"); - return 0; +//______________________________________________________________________ +Int_t AliITSgeom::GetNDetTypes(Int_t &max)const{ + // Finds and returns the number of detector types used and the + // maximum detector type value. Only counts id >=0 (no undefined + // values. See AliITSgeom.h for list of AliITSDetecor enumerated types. + // Inputs: + // none. + // Outputs: + // The maximum detector type used + // Return: + // The number of detector types used + Int_t i,*n,id; + + max = -1; + for(i=0;imax) max=id; + } // end for i + n = new Int_t[max+1]; + for(i=0;i-1)n[id]++; // note id=-1 => undefined. + } // end for i + id = 0; + for(i=0;i undefined detector type\n"); - return 0; - } // end switch - - printf(" undefined detector type\n"); - return 0; +//______________________________________________________________________ +Int_t AliITSgeom::GetNDetTypes(TArrayI &maxs,AliITSDetector *types)const{ + // Finds and returns the number of detector types used and the + // number of each detector type. Only counts id >=0 (no undefined + // values. See AliITSgeom.h for list of AliITSDetecor enumerated types. + // Inputs: + // none. + // Outputs: + // The maximum detector type used + // Return: + // The number of detector types used + Int_t i,j,*n,id,max; + + max = -1; + for(i=0;imax) max=id; + } // end for i + n = new Int_t[max+1]; + for(i=0;i-1)n[id]++; // note id=-1 => undefined. + } // end for i + id = 0; + for(i=0;i<=max;i++) if(n[i]!=0) id++; + maxs.Set(id); + j = 0; + for(i=0;i<=max;i++) if(n[i]!=0){ + maxs[j] = n[i]; + types[j++] = (AliITSDetector) i; + } // end for i/end if + delete[] n; + return id; } - -//___________________________________________________________________________ -void AliITSgeom::PrintComparison(FILE *fp,AliITSgeom *other){ -//////////////////////////////////////////////////////////////////////// -// This function was primarily created for diagnostic reasons. It -// print to a file pointed to by the file pointer fp the difference -// between two AliITSgeom classes. The format of the file is basicly, -// define d? to be the difference between the same element of the two -// classes. For example dfrx = this->GetGeomMatrix(i)->frx -// - other->GetGeomMatrix(i)->frx. -// if(at least one of dfx0, dfy0, dfz0,dfrx,dfry,dfrz are non zero) then print -// layer ladder detector dfx0 dfy0 dfz0 dfrx dfry dfrz -// if(at least one of the 9 elements of dfr[] are non zero) then print -// layer ladder detector dfr[0] dfr[1] dfr[2] -// dfr[3] dfr[4] dfr[5] -// dfr[6] dfr[7] dfr[8] -// Only non zero values are printed to save space. The differences are -// typical written to a file because there are usually a lot of numbers -// printed out and it is usually easier to read them in some nice editor -// rather than zooming quickly past you on a screen. fprintf is used to -// do the printing. The fShapeIndex difference is not printed at this time. -//////////////////////////////////////////////////////////////////////// - Int_t i,j,idt[3],ido[3]; - Double_t tt[3],to[3]; // translation - Double_t rt[3],ro[3]; // phi in radians - Double_t mt[3][3],mo[3][3]; // matrixes - AliITSgeomMatrix *gt,*go; - Bool_t t; - - for(i=0;ifNmodules;i++){ - gt = this->GetGeomMatrix(i); - go = other->GetGeomMatrix(i); - gt->GetIndex(idt); - go->GetIndex(ido); - t = kFALSE; - for(i=0;i<3;i++) t = t&&idt[i]!=ido[i]; - if(t) fprintf(fp,"%4.4d %1.1d %2.2d %2.2d %1.1d %2.2d %2.2d\n",i, - idt[0],idt[1],idt[2],ido[0],ido[1],ido[2]); - gt->GetTranslation(tt); - go->GetTranslation(to); - gt->GetAngles(rt); - go->GetAngles(ro); - t = kFALSE; - for(i=0;i<3;i++) t = t&&tt[i]!=to[i]; - if(t) fprintf(fp,"%1.1d %2.2d %2.2d dTrans=%f %f %f drot=%f %f %f\n", - idt[0],idt[1],idt[2], - tt[0]-to[0],tt[1]-to[1],tt[2]-to[2], - rt[0]-ro[0],rt[1]-ro[1],rt[2]-ro[2]); - t = kFALSE; - gt->GetMatrix(mt); - go->GetMatrix(mo); - for(i=0;i<3;i++)for(j=0;j<3;j++) t = mt[i][j] != mo[i][j]; - if(t){ - fprintf(fp,"%1.1d %2.2d %2.2d dfr= %e %e %e\n", - idt[0],idt[1],idt[2], - mt[0][0]-mo[0][0],mt[0][1]-mo[0][1],mt[0][2]-mo[0][2]); - fprintf(fp," dfr= %e %e %e\n", - mt[1][0]-mo[1][0],mt[1][1]-mo[1][1],mt[1][2]-mo[1][2]); - fprintf(fp," dfr= %e %e %e\n", - mt[2][0]-mo[2][0],mt[2][1]-mo[2][1],mt[2][2]-mo[2][2]); - } // end if t - } // end for i - return; +//______________________________________________________________________ +Int_t AliITSgeom::GetStartDet(Int_t dtype)const{ + // returns the starting module index value for a give type of detector id. + // This assumes that the detector types are different on different layers + // and that they are not mixed up. + // Inputs: + // Int_t dtype A detector type number. 0 for SPD, 1 for SDD, + // and 2 for SSD. + // Outputs: + // none. + // Return: + // the module index for the first occurrence of that detector type. + + switch(dtype){ + case 0: + return GetModuleIndex(1,1,1); + break; + case 1: + return GetModuleIndex(3,1,1); + break; + case 2: + return GetModuleIndex(5,1,1); + break; + default: + Warning("GetStartDet","undefined detector type %d",dtype); + return 0; + } // end switch + + Warning("GetStartDet","undefined detector type %d",dtype); + return 0; } - -//___________________________________________________________________________ -void AliITSgeom::PrintData(FILE *fp, - const Int_t lay,const Int_t lad,const Int_t det){ -//////////////////////////////////////////////////////////////////////// -// This function prints out the coordinate transformations for -// the particular detector defined by layer, ladder, and detector -// to the file pointed to by the File pointer fp. fprintf statements -// are used to print out the numbers. The format is -// layer ladder detector Trans= fx0 fy0 fz0 rot= frx fry frz Shape=fShapeIndex -// dfr= fr[0] fr[1] fr[2] -// dfr= fr[3] fr[4] fr[5] -// dfr= fr[6] fr[7] fr[8] -// By indicating which detector, some control over the information -// is given to the user. The output it written to the file pointed -// to by the file pointer fp. This can be set to stdout if you want. -//////////////////////////////////////////////////////////////////////// - AliITSgeomMatrix *gt; - Double_t t[3],r[3],m[3][3]; - - gt = this->GetGeomMatrix(GetModuleIndex(lay,lad,det)); - gt->GetTranslation(t); - gt->GetAngles(r); - fprintf(fp,"%1.1d %2.2d %2.2d Trans=%f %f %f rot=%f %f %f Shape=%d\n", - lay,lad,det,t[0],t[1],t[2],r[0],r[1],r[2], - gt->GetDetectorIndex()); - gt->GetMatrix(m); - fprintf(fp," dfr= %e %e %e\n",m[0][0],m[0][1],m[0][2]); - fprintf(fp," dfr= %e %e %e\n",m[1][0],m[1][1],m[1][2]); - fprintf(fp," dfr= %e %e %e\n",m[2][0],m[2][1],m[2][2]); - return; +//______________________________________________________________________ +Int_t AliITSgeom::GetLastDet(Int_t dtype)const{ + // returns the last module index value for a give type of detector id. + // This assumes that the detector types are different on different layers + // and that they are not mixed up. + // Inputs: + // Int_t dtype A detector type number. 0 for SPD, 1 for SDD, + // and 2 for SSD. + // Outputs: + // Return: + // the module index for the last occurrence of that detector type. + + switch((AliITSDetector)dtype){ + case kSPD: + return GetModuleIndex(3,1,1)-1; + break; + case kSDD: + return GetModuleIndex(5,1,1)-1; + break; + case kSSD: + return GetIndexMax()-1; + break; + case kSSDp: case kSDDp: case kND: + default: + Warning("GetLastDet","undefined detector type %d",dtype); + return 0; + } // end switch + + Warning("GetLastDet","undefined detector type %d",dtype); + return 0; } -//___________________________________________________________________________ -ofstream & AliITSgeom::PrintGeom(ofstream &R__b){ -//////////////////////////////////////////////////////////////////////// -// Stream out an object of class AliITSgeom to standard output. -//////////////////////////////////////////////////////////////////////// - Int_t i; - - R__b.setf(ios::scientific); - R__b << fTrans << " "; - R__b << fNmodules << " "; - R__b << fNlayers << " "; - for(i=0;iGetGeomMatrix(module)-> + GetDetectorIndex()); + + this->GtoL(module,point,l); + switch(idet){ + case kSPD:{ + AliITSgeomSPD *spd = (AliITSgeomSPD*)(fShape.At((Int_t)idet)); + dx = spd->GetDx(); + dy = spd->GetDy(); + dz = spd->GetDz();} + break; + case kSDD: case kSDDp:{ + AliITSgeomSDD *sdd = (AliITSgeomSDD*)(fShape.At((Int_t)idet)); + dx = sdd->GetDx(); + dy = sdd->GetDy(); + dz = sdd->GetDz();} + break; + case kSSD: case kSSDp:{ + AliITSgeomSSD *ssd = (AliITSgeomSSD*)(fShape.At((Int_t)idet)); + dx = ssd->GetDx(); + dy = ssd->GetDy(); + dz = ssd->GetDz();} + break; + default: // Detector not defined. + return kFALSE; + break; + }// end switch + if(TMath::Abs(l[0])>dx) return kFALSE; + if(TMath::Abs(l[2])>dz) return kFALSE; + if(TMath::Abs(l[1])>dy) return kFALSE; + return kTRUE; +} +//______________________________________________________________________ +void AliITSgeom::PrintComparison(FILE *fp,AliITSgeom *other)const{ + // This function was primarily created for diagnostic reasons. It + // print to a file pointed to by the file pointer fp the difference + // between two AliITSgeom classes. The format of the file is basically, + // define d? to be the difference between the same element of the two + // classes. For example dfrx = this->GetGeomMatrix(i)->frx + // - other->GetGeomMatrix(i)->frx. + // if(at least one of dfx0, dfy0, dfz0,dfrx,dfry,dfrz are non zero) then + // print layer ladder detector dfx0 dfy0 dfz0 dfrx dfry dfrz + // if(at least one of the 9 elements of dfr[] are non zero) then print + // layer ladder detector dfr[0] dfr[1] dfr[2] + // dfr[3] dfr[4] dfr[5] + // dfr[6] dfr[7] dfr[8] + // Only non zero values are printed to save space. The differences are + // typical written to a file because there are usually a lot of numbers + // printed out and it is usually easier to read them in some nice editor + // rather than zooming quickly past you on a screen. fprintf is used to + // do the printing. The fShapeIndex difference is not printed at this time. + // Inputs: + // FILE *fp A file pointer to an opened file for writing + // in which the results of the comparison will + // be written. + // AliITSgeom *other The other AliITSgeom class to which this one is + // being compared. + // Outputs: + // none. + // Return: + // none. + Int_t i,j,idt[3],ido[3]; + Double_t tt[3],to[3]; // translation + Double_t rt[3],ro[3]; // phi in radians + Double_t mt[3][3],mo[3][3]; // matrices + AliITSgeomMatrix *gt,*go; + Bool_t t; + + for(i=0;ifNmodules;i++){ + gt = this->GetGeomMatrix(i); + go = other->GetGeomMatrix(i); + gt->GetIndex(idt); + go->GetIndex(ido); + t = kFALSE; + for(i=0;i<3;i++) t = t&&idt[i]!=ido[i]; + if(t) fprintf(fp,"%4.4d %1.1d %2.2d %2.2d %1.1d %2.2d %2.2d\n",i, + idt[0],idt[1],idt[2],ido[0],ido[1],ido[2]); + gt->GetTranslation(tt); + go->GetTranslation(to); + gt->GetAngles(rt); + go->GetAngles(ro); + t = kFALSE; + for(i=0;i<3;i++) t = t&&tt[i]!=to[i]; + if(t) fprintf(fp,"%1.1d %2.2d %2.2d dTrans=%f %f %f drot=%f %f %f\n", + idt[0],idt[1],idt[2], + tt[0]-to[0],tt[1]-to[1],tt[2]-to[2], + rt[0]-ro[0],rt[1]-ro[1],rt[2]-ro[2]); + t = kFALSE; + gt->GetMatrix(mt); + go->GetMatrix(mo); + for(i=0;i<3;i++)for(j=0;j<3;j++) t = mt[i][j] != mo[i][j]; + if(t){ + fprintf(fp,"%1.1d %2.2d %2.2d dfr= %e %e %e\n", + idt[0],idt[1],idt[2], + mt[0][0]-mo[0][0],mt[0][1]-mo[0][1],mt[0][2]-mo[0][2]); + fprintf(fp," dfr= %e %e %e\n", + mt[1][0]-mo[1][0],mt[1][1]-mo[1][1],mt[1][2]-mo[1][2]); + fprintf(fp," dfr= %e %e %e\n", + mt[2][0]-mo[2][0],mt[2][1]-mo[2][1],mt[2][2]-mo[2][2]); + } // end if t + } // end for i + return; +} +//______________________________________________________________________ +void AliITSgeom::PrintData(FILE *fp,Int_t lay,Int_t lad,Int_t det)const{ + // This function prints out the coordinate transformations for + // the particular detector defined by layer, ladder, and detector + // to the file pointed to by the File pointer fp. fprintf statements + // are used to print out the numbers. The format is + // layer ladder detector Trans= fx0 fy0 fz0 rot= frx fry frz + // Shape=fShapeIndex + // dfr= fr[0] fr[1] fr[2] + // dfr= fr[3] fr[4] fr[5] + // dfr= fr[6] fr[7] fr[8] + // By indicating which detector, some control over the information + // is given to the user. The output it written to the file pointed + // to by the file pointer fp. This can be set to stdout if you want. + // Inputs: + // FILE *fp A file pointer to an opened file for + // writing in which the results of the + // comparison will be written. + // Int_t lay The layer number. Starting from 1. + // Int_t lad The ladder number. Starting from 1. + // Int_t det The detector number. Starting from 1. + // Outputs: + // none + // Return: + // none. + AliITSgeomMatrix *gt; + Double_t t[3],r[3],m[3][3]; + + gt = this->GetGeomMatrix(GetModuleIndex(lay,lad,det)); + gt->GetTranslation(t); + gt->GetAngles(r); + fprintf(fp,"%1.1d %2.2d %2.2d Trans=%f %f %f rot=%f %f %f Shape=%d\n", + lay,lad,det,t[0],t[1],t[2],r[0],r[1],r[2], + gt->GetDetectorIndex()); + gt->GetMatrix(m); + fprintf(fp," dfr= %e %e %e\n",m[0][0],m[0][1],m[0][2]); + fprintf(fp," dfr= %e %e %e\n",m[1][0],m[1][1],m[1][2]); + fprintf(fp," dfr= %e %e %e\n",m[2][0],m[2][1],m[2][2]); + return; +} +//______________________________________________________________________ +void AliITSgeom::PrintGeom(ostream *wb)const{ + // Stream out an object of class AliITSgeom to standard output. + // Intputs: + // ofstream *wb The output streaming buffer. + // Outputs: + // none. + // Return: + // none. + Int_t i,nshapes; + + wb->setf(ios::scientific); + *wb << fTrans << " "; + *wb << fNmodules << " "; + *wb << fNlayers << " "; + for(i=0;i> fTrans >> fNmodules >> fNlayers; - fNlad = new Int_t[fNlayers]; - fNdet = new Int_t[fNlayers]; - for(i=0;i> fNlad[i]; - for(i=0;i> fNdet[i]; - fGm = new TObjArray(fNmodules,0); - for(i=0;iAddAt(new AliITSgeomMatrix,i); - R__b >> *(GetGeomMatrix(i)); - } // end for i - return R__b; +//______________________________________________________________________ +void AliITSgeom::ReadGeom(istream *rb){ + // Stream in an object of class AliITSgeom from standard input. + // Intputs: + // ifstream *rb The input streaming buffer. + // Outputs: + // none. + // Return: + // none. + Int_t i,j; + + fGm.Clear(); + + *rb >> fTrans >> fNmodules >> fNlayers; + fNlad.Set(fNlayers); + fNdet.Set(fNlayers); + for(i=0;i> fNlad[i]; + for(i=0;i> fNdet[i]; + fGm.Expand(fNmodules); + fGm.SetOwner(kTRUE); + for(i=0;i=fGm.GetSize()){ + Error("ReadGeom","i<0||i>=fGm.GetSize()=%d", + i,fGm.GetSize()); + return; + } // end if + fGm.AddAt(new AliITSgeomMatrix,i); + *rb >> *(GetGeomMatrix(i)); + } // end for i + *rb >> i; + fShape.Expand(i); + fShape.SetOwner(kTRUE); + for(i=0;i> j; + switch (j){ + case kSPD:{ + AliITSgeomSPD *s = new AliITSgeomSPD(); + *rb >> *s; + fShape.AddAt(s,kSPD);} + break; + case kSDD:{ + AliITSgeomSDD *s = new AliITSgeomSDD(); + *rb >> *s; + fShape.AddAt(s,kSDD);} + break; + case kSSD:{ + AliITSgeomSSD *s = new AliITSgeomSSD(); + *rb >> *s; + fShape.AddAt(s,kSSD);} + break; + case kSSDp:{ + AliITSgeomSSD *s = new AliITSgeomSSD(); + *rb >> *s; + fShape.AddAt(s,kSSDp);} + break; + case kSDDp:{ + AliITSgeomSDD *s = new AliITSgeomSDD(); + *rb >> *s; + fShape.AddAt(s,kSDDp);} + break; + } // end switch + } // end for i + return; } -//___________________________________________________________________________ - //______________________________________________________________________ // The following routines modify the transformation of "this" // geometry transformations in a number of different ways. //______________________________________________________________________ void AliITSgeom::GlobalChange(const Float_t *tran,const Float_t *rot){ -//////////////////////////////////////////////////////////////////////// -// This function performs a Cartesian translation and rotation of -// the full ITS from its default position by an amount determined by -// the three element arrays dtranslation and drotation. If every element -// of dtranslation and drotation are zero then there is no change made -// the geometry. The change is global in that the exact same translation -// and rotation is done to every detector element in the exact same way. -// The units of the translation are those of the Monte Carlo, usually cm, -// and those of the rotation are in radians. The elements of dtranslation -// are dtranslation[0] = x, dtranslation[1] = y, and dtranslation[2] = z. -// The elements of drotation are drotation[0] = rx, drotation[1] = ry, and -// drotation[2] = rz. A change in x will move the hole ITS in the ALICE -// global x direction, the same for a change in y. A change in z will -// result in a translation of the ITS as a hole up or down the beam line. -// A change in the angles will result in the inclination of the ITS with -// respect to the beam line, except for an effective rotation about the -// beam axis which will just rotate the ITS as a hole about the beam axis. -//////////////////////////////////////////////////////////////////////// - Int_t i,j; - Double_t t[3],r[3]; - AliITSgeomMatrix *g; - - fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. - for(i=0;iGetGeomMatrix(i); - g->GetTranslation(t); - g->GetAngles(r); - for(j=0;j<3;j++){ - t[j] += tran[j]; - r[j] += rot[j]; - } // end for j - g->SetTranslation(t); - g->SetAngles(r); - } // end for i - return; + // This function performs a Cartesian translation and rotation of + // the full ITS from its default position by an amount determined by + // the three element arrays tran and rot. If every element + // of tran and rot are zero then there is no change made + // the geometry. The change is global in that the exact same translation + // and rotation is done to every detector element in the exact same way. + // The units of the translation are those of the Monte Carlo, usually cm, + // and those of the rotation are in radians. The elements of tran + // are tran[0] = x, tran[1] = y, and tran[2] = z. + // The elements of rot are rot[0] = rx, rot[1] = ry, and + // rot[2] = rz. A change in x will move the hole ITS in the ALICE + // global x direction, the same for a change in y. A change in z will + // result in a translation of the ITS as a hole up or down the beam line. + // A change in the angles will result in the inclination of the ITS with + // respect to the beam line, except for an effective rotation about the + // beam axis which will just rotate the ITS as a hole about the beam axis. + // Intputs: + // Float_t *tran A 3 element array representing the global + // translations. the elements are x,y,z in cm. + // Float_t *rot A 3 element array representing the global rotation + // angles about the three axis x,y,z in radians + // Outputs: + // none. + // Return: + // none. + Int_t i,j; + Double_t t[3],r[3]; + AliITSgeomMatrix *g; + + fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. + for(i=0;iGetGeomMatrix(i); + g->GetTranslation(t); + g->GetAngles(r); + for(j=0;j<3;j++){ + t[j] += tran[j]; + r[j] += rot[j]; + } // end for j + g->SetTranslation(t); + g->SetAngles(r); + } // end for i + return; } -//___________________________________________________________________________ -void AliITSgeom::GlobalCylindericalChange(const Float_t *tran,const Float_t *rot){ -//////////////////////////////////////////////////////////////////////// -// This function performs a cylindrical translation and rotation of -// each ITS element by a fixed about in radius, rphi, and z from its -// default position by an amount determined by the three element arrays -// dtranslation and drotation. If every element of dtranslation and -// drotation are zero then there is no change made the geometry. The -// change is global in that the exact same distance change in translation -// and rotation is done to every detector element in the exact same way. -// The units of the translation are those of the Monte Carlo, usually cm, -// and those of the rotation are in radians. The elements of dtranslation -// are dtranslation[0] = r, dtranslation[1] = rphi, and dtranslation[2] = z. -// The elements of drotation are drotation[0] = rx, drotation[1] = ry, and -// drotation[2] = rz. A change in r will results in the increase of the -// radius of each layer by the same about. A change in rphi will results in -// the rotation of each layer by a different angle but by the same -// circumferential distance. A change in z will result in a translation -// of the ITS as a hole up or down the beam line. A change in the angles -// will result in the inclination of the ITS with respect to the beam -// line, except for an effective rotation about the beam axis which will -// just rotate the ITS as a hole about the beam axis. -//////////////////////////////////////////////////////////////////////// - Int_t i,j; - Double_t t[3],ro[3],r,r0,phi,rphi; - AliITSgeomMatrix *g; - - fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. - for(i=0;iGetGeomMatrix(i); - g->GetTranslation(t); - g->GetAngles(ro); - r = r0= TMath::Hypot(t[1],t[0]); - phi = TMath::ATan2(t[1],t[0]); - rphi = r0*phi; - r += tran[0]; - rphi += tran[1]; - phi = rphi/r0; - t[0] = r*TMath::Cos(phi); - t[1] = r*TMath::Sin(phi); - t[2] += tran[2]; - for(j=0;j<3;j++){ - ro[j] += rot[j]; - } // end for j - g->SetTranslation(t); - g->SetAngles(ro); - } // end for i - return; +//______________________________________________________________________ +void AliITSgeom::GlobalCylindericalChange(const Float_t *tran, + const Float_t *rot){ + // This function performs a cylindrical translation and rotation of + // each ITS element by a fixed about in radius, rphi, and z from its + // default position by an amount determined by the three element arrays + // tran and rot. If every element of tran and + // rot are zero then there is no change made the geometry. The + // change is global in that the exact same distance change in translation + // and rotation is done to every detector element in the exact same way. + // The units of the translation are those of the Monte Carlo, usually cm, + // and those of the rotation are in radians. The elements of tran + // are tran[0] = r, tran[1] = rphi, and tran[2] = z. + // The elements of rot are rot[0] = rx, rot[1] = ry, and + // rot[2] = rz. A change in r will results in the increase of the + // radius of each layer by the same about. A change in rphi will results in + // the rotation of each layer by a different angle but by the same + // circumferential distance. A change in z will result in a translation + // of the ITS as a hole up or down the beam line. A change in the angles + // will result in the inclination of the ITS with respect to the beam + // line, except for an effective rotation about the beam axis which will + // just rotate the ITS as a hole about the beam axis. + // Intputs: + // Float_t *tran A 3 element array representing the global + // translations. the elements are r,theta,z in + // cm/radians. + // Float_t *rot A 3 element array representing the global rotation + // angles about the three axis x,y,z in radians + // Outputs: + // none. + // Return: + // none. + Int_t i,j; + Double_t t[3],ro[3],r,r0,phi,rphi; + AliITSgeomMatrix *g; + + fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. + for(i=0;iGetGeomMatrix(i); + g->GetTranslation(t); + g->GetAngles(ro); + r = r0= TMath::Hypot(t[1],t[0]); + phi = TMath::ATan2(t[1],t[0]); + rphi = r0*phi; + r += tran[0]; + rphi += tran[1]; + phi = rphi/r0; + t[0] = r*TMath::Cos(phi); + t[1] = r*TMath::Sin(phi); + t[2] += tran[2]; + for(j=0;j<3;j++){ + ro[j] += rot[j]; + } // end for j + g->SetTranslation(t); + g->SetAngles(ro); + } // end for i + return; } -//___________________________________________________________________________ +//______________________________________________________________________ void AliITSgeom::RandomChange(const Float_t *stran,const Float_t *srot){ -//////////////////////////////////////////////////////////////////////// -// This function performs a Gaussian random displacement and/or -// rotation about the present global position of each active -// volume/detector of the ITS. The sigma of the random displacement -// is determined by the three element array stran, for the -// x y and z translations, and the three element array srot, -// for the three rotation about the axis x y and z. -//////////////////////////////////////////////////////////////////////// - Int_t i,j; - Double_t t[3],r[3]; - TRandom ran; - AliITSgeomMatrix *g; - - fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. - for(i=0;iGetGeomMatrix(i); - g->GetTranslation(t); - g->GetAngles(r); - for(j=0;j<3;j++){ - t[j] += ran.Gaus(0.0,stran[j]); - r[j] += ran.Gaus(0.0, srot[j]); - } // end for j - g->SetTranslation(t); - g->SetAngles(r); - } // end for i - return; + // This function performs a Gaussian random displacement and/or + // rotation about the present global position of each active + // volume/detector of the ITS. The sigma of the random displacement + // is determined by the three element array stran, for the + // x y and z translations, and the three element array srot, + // for the three rotation about the axis x y and z. + // Intputs: + // Float_t *stran A 3 element array representing the global + // translations variances. The elements are x, + // y,z in cm. + // Float_t *srot A 3 element array representing the global rotation + // angles variances about the three axis x,y,z in + // radians. + // Outputs: + // none. + // Return: + // none. + Int_t i,j; + Double_t t[3],r[3]; + AliITSgeomMatrix *g; + + fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. + for(i=0;iGetGeomMatrix(i); + g->GetTranslation(t); + g->GetAngles(r); + for(j=0;j<3;j++){ + t[j] += gRandom->Gaus(0.0,stran[j]); + r[j] += gRandom->Gaus(0.0, srot[j]); + } // end for j + g->SetTranslation(t); + g->SetAngles(r); + } // end for i + return; } -//___________________________________________________________________________ +//______________________________________________________________________ void AliITSgeom::RandomCylindericalChange(const Float_t *stran, const Float_t *srot){ -//////////////////////////////////////////////////////////////////////// -// This function performs a Gaussian random displacement and/or -// rotation about the present global position of each active -// volume/detector of the ITS. The sigma of the random displacement -// is determined by the three element array stran, for the -// r rphi and z translations, and the three element array srot, -// for the three rotation about the axis x y and z. This random change -// in detector position allow for the simulation of a random uncertainty -// in the detector positions of the ITS. -//////////////////////////////////////////////////////////////////////// - Int_t i,j; - Double_t t[3],ro[3],r,r0,phi,rphi; - TRandom ran; - AliITSgeomMatrix *g; - - fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. - for(i=0;iGetGeomMatrix(i); - g->GetTranslation(t); - g->GetAngles(ro); - r = r0= TMath::Hypot(t[1],t[0]); - phi = TMath::ATan2(t[1],t[0]); - rphi = r0*phi; - r += ran.Gaus(0.0,stran[0]); - rphi += ran.Gaus(0.0,stran[1]); - phi = rphi/r0; - t[0] = r*TMath::Cos(phi); - t[1] = r*TMath::Sin(phi); - t[2] += ran.Gaus(0.0,stran[2]); - for(j=0;j<3;j++){ - ro[j] += ran.Gaus(0.0, srot[j]); - } // end for j - g->SetTranslation(t); - g->SetAngles(ro); - } // end for i - return; + // This function performs a Gaussian random displacement and/or + // rotation about the present global position of each active + // volume/detector of the ITS. The sigma of the random displacement + // is determined by the three element array stran, for the + // r rphi and z translations, and the three element array srot, + // for the three rotation about the axis x y and z. This random change + // in detector position allow for the simulation of a random uncertainty + // in the detector positions of the ITS. + // Intputs: + // Float_t *stran A 3 element array representing the global + // translations variances. The elements are r, + // theta,z in cm/radians. + // Float_t *srot A 3 element array representing the global rotation + // angles variances about the three axis x,y,z in + // radians. + // Outputs: + // none. + // Return: + // none. + Int_t i,j; + Double_t t[3],ro[3],r,r0,phi,rphi; + TRandom ran; + AliITSgeomMatrix *g; + + fTrans = (fTrans && 0xfffd) + 2; // set bit 1 true. + for(i=0;iGetGeomMatrix(i); + g->GetTranslation(t); + g->GetAngles(ro); + r = r0= TMath::Hypot(t[1],t[0]); + phi = TMath::ATan2(t[1],t[0]); + rphi = r0*phi; + r += ran.Gaus(0.0,stran[0]); + rphi += ran.Gaus(0.0,stran[1]); + phi = rphi/r0; + t[0] = r*TMath::Cos(phi); + t[1] = r*TMath::Sin(phi); + t[2] += ran.Gaus(0.0,stran[2]); + for(j=0;j<3;j++){ + ro[j] += ran.Gaus(0.0, srot[j]); + } // end for j + g->SetTranslation(t); + g->SetAngles(ro); + } // end for i + return; } //______________________________________________________________________ -void AliITSgeom::GeantToTracking(AliITSgeom &source){ -///////////////////////////////////////////////////////////////////////// -// Copy the geometry data but change it to go between the ALICE -// Global coordinate system to that used by the ITS tracking. A slightly -// different coordinate system is used when tracking. This coordinate -// system is only relevant when the geometry represents the cylindrical -// ALICE ITS geometry. For tracking the Z axis is left alone but X-> -Y -// and Y-> X such that X always points out of the ITS cylinder for every -// layer including layer 1 (where the detectors are mounted upside down). -//Begin_Html -/* - -*/ -//End_Html -//////////////////////////////////////////////////////////////////////// - Int_t i,j,k,l,id[3]; - Double_t R0[3][3],R1[3][3]; - Double_t A0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; - Double_t A1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; - - *this = source; // copy everything - for(i=0;iGetIndex(id); - GetGeomMatrix(i)->GetMatrix(R0); - if(id[0]==1){ // Layer 1 is treated different from the others. - for(j=0;j<3;j++) for(k=0;k<3;k++){ - R1[j][k] = 0.; - for(l=0;l<3;l++) R1[j][k] += A0[j][l]*R0[l][k]; - } // end for j,k - }else{ - for(j=0;j<3;j++) for(k=0;k<3;k++){ - R1[j][k] = 0.; - for(l=0;l<3;l++) R1[j][k] += A1[j][l]*R0[l][k]; - } // end for j,k - } // end if - GetGeomMatrix(i)->SetMatrix(R1); - } // end for i - this->fTrans = (this->fTrans && 0xfffe) + 1; // set bit 0 true. - return; +void AliITSgeom::GeantToTracking(const AliITSgeom &source){ + // Copy the geometry data but change it to go between the ALICE + // Global coordinate system to that used by the ITS tracking. A slightly + // different coordinate system is used when tracking. This coordinate + // system is only relevant when the geometry represents the cylindrical + // ALICE ITS geometry. For tracking the Z axis is left alone but X-> -Y + // and Y-> X such that X always points out of the ITS cylinder for every + // layer including layer 1 (where the detectors are mounted upside down). + //Begin_Html + /* + + */ + //End_Html + // Input: + // AliITSgeom &source The AliITSgeom class with which to make this + // a copy of. + // Output: + // none. + // Return: + // none. + Int_t i,j,k,l,id[3]; + Double_t r0[3][3],r1[3][3]; + Double_t a0[3][3] = {{0.,+1.,0.},{-1.,0.,0.},{0.,0.,+1.}}; + Double_t a1[3][3] = {{0.,-1.,0.},{+1.,0.,0.},{0.,0.,+1.}}; + + *this = source; // copy everything + for(i=0;iGetIndex(id); + GetGeomMatrix(i)->GetMatrix(r0); + if(id[0]==1){ // Layer 1 is treated different from the others. + for(j=0;j<3;j++) for(k=0;k<3;k++){ + r1[j][k] = 0.; + for(l=0;l<3;l++) r1[j][k] += a0[j][l]*r0[l][k]; + } // end for j,k + }else{ + for(j=0;j<3;j++) for(k=0;k<3;k++){ + r1[j][k] = 0.; + for(l=0;l<3;l++) r1[j][k] += a1[j][l]*r0[l][k]; + } // end for j,k + } // end if + GetGeomMatrix(i)->SetMatrix(r1); + } // end for i + this->fTrans = (this->fTrans && 0xfffe) + 1; // set bit 0 true. + return; } //______________________________________________________________________ -Int_t AliITSgeom::GetNearest(const Double_t g[3],const Int_t lay){ -//////////////////////////////////////////////////////////////////////// -// Finds the Detector (Module) that is nearest the point g [cm] in -// ALICE Global coordinates. If layer !=0 then the search is restricted -// to Detectors (Modules) in that particular layer. -//////////////////////////////////////////////////////////////////////// - Int_t i,l,a,e,in=0; - Double_t d,dn=1.0e10; - Bool_t t=lay!=0; // skip if lay = 0 default value check all layers. +Int_t AliITSgeom::GetNearest(const Double_t g[3],Int_t lay)const{ + // Finds the Detector (Module) that is nearest the point g [cm] in + // ALICE Global coordinates. If layer !=0 then the search is restricted + // to Detectors (Modules) in that particular layer. + // Inputs: + // Double_t g[3] The ALICE Cartesian global coordinate from which the + // distance is to be calculated with. + // Int_t lay The layer to restrict the search to. If layer=0 then + // all layers are searched. Default is lay=0. + // Output: + // none. + // Return: + // The module number representing the nearest module. + Int_t i,l,a,e,in=0; + Double_t d,dn=1.0e10; + Bool_t t=lay!=0; // skip if lay = 0 default value check all layers. - for(i=0;iDistance2(g))Distance2(g))Distance2(g); - if(da;e--){dn[e] = dn[e-1];in[e] = in[e-1];} - dn[a] = d; in[a] = i; - } // end if dDistance2(g); + if(da;e--){dn[e] = dn[e-1];in[e] = in[e-1];} + dn[a] = d; in[a] = i; + } // end if dGetDx(); + dl[1] = ((AliITSgeomSPD*)GetShape(idet))->GetDy(); + dl[2] = ((AliITSgeomSPD*)GetShape(idet))->GetDz(); + } break; + case kSDD: case kSDDp:{ + dl[0] = ((AliITSgeomSDD*)GetShape(idet))->GetDx(); + dl[1] = ((AliITSgeomSDD*)GetShape(idet))->GetDy(); + dl[2] = ((AliITSgeomSDD*)GetShape(idet))->GetDz(); + } break; + case kSSD: case kSSDp:{ + dl[0] = ((AliITSgeomSSD*)GetShape(idet))->GetDx(); + dl[1] = ((AliITSgeomSSD*)GetShape(idet))->GetDy(); + dl[2] = ((AliITSgeomSSD*)GetShape(idet))->GetDz(); + } break; + case kND:{ + Warning("GetAverageRadiusOfLayer", + "idet=kND undefined detector type"); + continue; + }break; + default:{ + Warning("GetAverageRadiusOfLayer", + "idet=%d not a defined value",(Int_t)idet); + continue; + }break; + }// end switch. + } // end of + n++; + GetTransCyln(i,t); + rp = t[0]; + r += rp; + if(rmin>rp) rmin = rp; + if(rmax3) l[2] = -dl[2]; + LtoG(i,l,t); + rp = TMath::Sqrt(t[0]*t[0]+t[1]*t[1]); + if(rmin>rp) rmin = rp; + if(rmax>(istream &is,AliITSgeom &r){ + // Standard input streaming function. + // Inputs: + // istream is The input stream + // AliITSgeom p The AliITSgeom class to be filled from this + // input stream + // Outputs: + // none. + // Return: + // The input stream + + r.ReadGeom(&is); + return is; +} +//---------------------------------------------------------------------- +