X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITSgeom.cxx;h=502f8b0716c010abe6b23d0f4dc8388f51369293;hb=67b72af70f3864bb78741912e56a1fd43e254d86;hp=63d68cc7c64d3902c2b48fe0b373fa818801c898;hpb=3f38f7af446abb08403367721a4bc3ae5d412556;p=u%2Fmrichter%2FAliRoot.git diff --git a/ITS/AliITSgeom.cxx b/ITS/AliITSgeom.cxx index 63d68cc7c64..502f8b0716c 100644 --- a/ITS/AliITSgeom.cxx +++ b/ITS/AliITSgeom.cxx @@ -22,8 +22,9 @@ // By: Bjorn S. Nilsen // // version: 0.0.1 // // Updated May 27 1999. // -// Added Cylindrical random and global based changes. // -// Added function PrintComparison. // +// Added Cylindrical random and global based changes. // +// // +// Modified and added functions Feb. 7 2006 // /////////////////////////////////////////////////////////////////////// @@ -83,137 +84,183 @@ 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 -// 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. //////////////////////////////////////////////////////////////////////// #include -//#include -//#include -//#include -//#include +#include -#include #include +#include +#include #include "AliITSgeom.h" -#include "AliITSgeomSPD.h" -#include "AliITSgeomSDD.h" -#include "AliITSgeomSSD.h" +#include "AliLog.h" ClassImp(AliITSgeom) //______________________________________________________________________ -AliITSgeom::AliITSgeom(){ +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. +{ // 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. - fTrans = 0; // standard GEANT global/local coordinate system. - fNlayers = 0; - fNlad = 0; - fNdet = 0; - fGm = 0; - fShape = 0; - strcpy(fVersion,"test"); + fGm.SetOwner(kTRUE); return; } + //______________________________________________________________________ -AliITSgeom::AliITSgeom(Int_t itype,Int_t nlayers,Int_t *nlads,Int_t *ndets, - Int_t mods){ +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. +{ // 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. Typicaly the sum of all the - // detectors on every layer and ladder. + // 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 - Int_t i; + // none + // Return: + // A properly inilized AliITSgeom object. - fTrans = itype; - fNlayers = nlayers; - fNlad = new Int_t[nlayers]; - fNdet = new Int_t[nlayers]; - for(i=0;iAddAt(0,i); - strcpy(fVersion,"test"); + fGm.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); return; } //______________________________________________________________________ -void AliITSgeom::CreatMatrix(Int_t mod,Int_t lay,Int_t lad,Int_t det, - AliITSDetector idet,const Double_t tran[3], - const 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. - // Inputs are: - // 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 are: - // none // 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(){ @@ -221,457 +268,138 @@ AliITSgeom::~AliITSgeom(){ // 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. - - if(fGm!=0){ - //for(Int_t i=0;iAt(i); - fGm->Delete(); - 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; -} -//______________________________________________________________________ -void AliITSgeom::ReadNewFile(const char *filename){ - // It is generaly 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 are: - // const char *filename The file name of the file to be read in. - // Outputs are: - // none - Int_t ncmd=9; - const char *cmda[]={"Version" ,"fTrans" ,"fNmodules", - "fNlayers" ,"fNladers","fNdetectors", - "fNDetectorTypes","fShape" ,"Matrix"}; - Int_t i,j,lNdetTypes,ldet; - char cmd[20],c; - AliITSgeomSPD *spd=0; - AliITSgeomSDD *sdd=0; - AliITSgeomSSD *ssd=0; - AliITSgeomMatrix *m=0; - ifstream *fp=0; - char *filtmp=0; - - filtmp = gSystem->ExpandPathName(filename); - cout << "AliITSgeom, Reading New .det file " << filtmp << endl; - 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->putback(c); - *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; - } // 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(5,0); - switch (ldet){ - case kSPD : - spd = new AliITSgeomSPD(); - *fp >> *spd; - ReSetShape(ldet,spd); - spd = 0; - break; - case kSDD : case kSDDp: - sdd = new AliITSgeomSDD(); - *fp >> *sdd; - ReSetShape(ldet,sdd); - sdd = 0; - break; - case kSSD : case kSSDp : - ssd = new AliITSgeomSSD(); - *fp >> *ssd; - ReSetShape(ldet,ssd); - ssd = 0; - break; - default: - Error("ReadNewFile","Unknown fShape type number=%d c=%c",ldet,c); - 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("ReadNewFile","Data line i=%d c=%c",i,c); - for(;fp->get(c)==NULL,c!='\n';); // 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 commendable. - // Inputs are: - // const char *filename The file name of the file to be write to. - // Outputs are: - // none - ofstream *fp; - Int_t i; - char *filtmp; - - filtmp = gSystem->ExpandPathName(filename); - cout << "AliITSgeom, Writing New .det file " << filtmp << endl; - fp = new ofstream(filtmp,ios::out); // open file to write - *fp << "//Comment lines begin with two //, one #, or one !" << endl; - *fp << "#Blank lines are skipped including /* and */ sections." << endl; - *fp << "!and, in principle the order of the lines is not important" <GetEntriesFast() << endl; - for(i=0;iGetEntriesFast();i++){ - if(!IsShapeDefined(i)) continue; // only print out used shapes. - switch (i){ - case kSPD : - *fp << "fShape " << (Int_t) kSPD << " "; - *fp << *((AliITSgeomSPD*)(fShape->At(i))); - break; - case kSDD : - *fp << "fShape " << (Int_t) kSDD << " "; - *fp << *((AliITSgeomSDD*)(fShape->At(i))); - break; - case kSSD : case kSSDp : - *fp << "fShape " << i << " "; - *fp << *((AliITSgeomSSD*)(fShape->At(i))); - break; - default: - Error("AliITSgeom::WriteNewFile","Unknown Shape value"); - } // end switch (i) - } // end for i - for(i=0;iExpandPathName(filename); - cout << "AliITSgeom reading old .det file " << filtmp << endl; - fShape = 0; - strcpy(fVersion,"DefauleV5"); - pf = fopen(filtmp,"r"); - - 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;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); -} -//______________________________________________________________________ -AliITSgeom::AliITSgeom(AliITSgeom &source) : TObject(source){ +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. +{ // The copy constructor for the AliITSgeom class. It calls the // = operator function. See the = operator function for more details. - // Inputs are: - // AliITSgeom &source The AliITSgeom class with which to make this - // a copy of. - // Outputs are: - // none. + // Inputs: + // AliITSgeom &source The AliITSgeom class with which to make this + // a copy of. + // Outputs: + // none. + // Return: + // none. + Int_t i,n; - *this = source; // Just use the = operator for now. + 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 *this; -} -//______________________________________________________________________ -inline Int_t AliITSgeom::GetNdetectors(Int_t lay) const { - // Return the number of detectors/ladder for the given layer - // Inputs: - // Int_t lay the layer number - // Outputs: - // none. - // Return: - // Int_t the number of detectors/ladders for the give layer - Int_t ndet; - - ndet = fNdet[lay-1]; - return ndet; -} -//______________________________________________________________________ -inline Int_t AliITSgeom::GetNladders(Int_t lay) const { - // Return the number of ladders for the given layer // Inputs: - // Int_t lay the layer number + // AliITSgeom &source The AliITSgeom class with which to make this + // a copy of. // Outputs: - // none. + // none. // Return: - // Int_t the number of ladders for the give layer - Int_t nlad; + // *this The a new copy of source. + Int_t i; - nlad = fNlad[lay-1]; - return nlad; + 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->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();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(Int_t index,Int_t &lay,Int_t &lad,Int_t &det){ +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 are: - // Int_t index The module index number, starting from zero. - // Outputs are: - // 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. + // 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]; 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]; - } - return; + 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; @@ -693,154 +421,134 @@ void AliITSgeom::GetModuleId(Int_t index,Int_t &lay,Int_t &lad,Int_t &det){ */ } //______________________________________________________________________ -Int_t AliITSgeom::GetStartDet(Int_t dtype){ +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=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; +} +//______________________________________________________________________ +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 are: - // Int_t dtype A detector type number. 0 for SPD, 1 for SDD, and 2 for SSD. - // outputs: - // return the module index for the first occurance of that detector type. + // 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; + return GetModuleIndex(1,1,1); + break; case 1: - return GetModuleIndex(3,1,1); - break; + return GetModuleIndex(3,1,1); + break; case 2: - return GetModuleIndex(5,1,1); - break; + return GetModuleIndex(5,1,1); + break; default: - Warning("GetStartDet","undefined detector type %d",dtype); - return 0; + Warning("GetStartDet","undefined detector type %d",dtype); + return 0; } // end switch Warning("GetStartDet","undefined detector type %d",dtype); return 0; } //______________________________________________________________________ -Int_t AliITSgeom::GetLastDet(Int_t dtype){ +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 are: - // Int_t dtype A detector type number. 0 for SPD, 1 for SDD, and 2 for SSD. - // outputs are: - // return the module index for the last occurance of that detector type. + // 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(dtype){ - case 0: - return GetLastSPD(); - break; - case 1: - return GetLastSDD(); - break; - case 2: - return GetLastSSD(); - break; + 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; + Warning("GetLastDet","undefined detector type %d",dtype); + return 0; } // end switch Warning("GetLastDet","undefined detector type %d",dtype); return 0; } -//______________________________________________________________________ -inline void AliITSgeom::GetCenterThetaPhi(Int_t lay,Int_t lad,Int_t det, - TVector &x){ - // This function returns the Cartesian translation [cm] and the - // 6 GEANT rotation angles [degrees]for a given layer ladder and - // detector number, in the TVector x (at least 9 elements large). - // Inputs: - // Int_t lay ITS Layer number - // Int_t lad ITS Ladder number - // Int_t det ITS Detector number - // Outputs: - // TVector &x The translation vector and the 6 rotaion angles - // Return: - // none. - Double_t t[3],ang[6]; - Int_t index=GetModuleIndex(lay,lad,det); - GetTrans(index,t); - GetGeantAngles(index,ang); - x(0) = t[0];x(1) = t[1];x(2) = t[2]; - x(3) = ang[0];x(4) = ang[1];x(5) = ang[2]; - x(6) = ang[3];x(7) = ang[4];x(8) = ang[5]; -} //______________________________________________________________________ -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. - // Inputs are: - // 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 are: - // 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]; // 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; -} -//______________________________________________________________________ -void AliITSgeom::PrintData(FILE *fp,Int_t lay,Int_t lad,Int_t det){ +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 @@ -853,14 +561,17 @@ void AliITSgeom::PrintData(FILE *fp,Int_t lay,Int_t lad,Int_t det){ // 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 are: - // 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 are: - // none + // 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]; @@ -868,395 +579,130 @@ void AliITSgeom::PrintData(FILE *fp,Int_t lay,Int_t lad,Int_t 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()); + 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; } -//______________________________________________________________________ -ofstream & AliITSgeom::PrintGeom(ofstream &rb){ - // Stream out an object of class AliITSgeom to standard output. - // Intputs are: - // ofstream &rb The output streaming buffer. - // Outputs are: - // ofstream &rb The output streaming buffer. - Int_t i; - - rb.setf(ios::scientific); - rb << fTrans << " "; - rb << fNmodules << " "; - rb << fNlayers << " "; - for(i=0;iGetEntries()<GetEntries();i++) if(fShape->At(i)!=0) switch (i){ - case kSPD: - rb << kSPD <<","<< (AliITSgeomSPD*)(fShape->At(kSPD)); - break; - case kSDD: - rb << kSDD <<","<< (AliITSgeomSDD*)(fShape->At(kSDD)); - break; - case kSSD: - rb << kSSD <<","<< (AliITSgeomSSD*)(fShape->At(kSSD)); - break; - case kSSDp: - rb << kSSDp <<","<< (AliITSgeomSSD*)(fShape->At(kSSDp)); - break; - case kSDDp: - rb << kSDDp <<","<< (AliITSgeomSDD*)(fShape->At(kSDDp)); - break; - } // end for i / switch - return rb; -} -//______________________________________________________________________ -ifstream & AliITSgeom::ReadGeom(ifstream &rb){ - // Stream in an object of class AliITSgeom from standard input. - // Intputs are: - // ifstream &rb The input streaming buffer. - // Outputs are: - // ifstream &rb The input streaming buffer. - Int_t i,j; - - fNlad = new Int_t[fNlayers]; - fNdet = new Int_t[fNlayers]; - if(fGm!=0){ - 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); - rb >> *(GetGeomMatrix(i)); - } // end for i - rb >> i; - fShape = new TObjArray(i); - for(i=0;iGetEntries();i++) { - rb >> 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 rb; -} -//______________________________________________________________________ -// 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 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 are: - // 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 are: - // 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 - // 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 are: - // 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 are: - // 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. - // Intputs are: - // 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 are: - // 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. - // Intputs are: - // Float_t *stran A 3 element array representing the global translations - // variances. The elements are r,theta,z in cm/readians. - // Float_t *srot A 3 element array representing the global rotation - // angles variances about the three axis x,y,z in radians. - // Outputs are: - // 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). - // Inputs are: - // AliITSgeom &source The AliITSgeom class with which to make this - // a copy of. - // Outputs are: - // return *this The a new copy of source. - //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; -} -//______________________________________________________________________ -Int_t AliITSgeom::GetNearest(const Double_t g[3],Int_t lay){ +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 are: - // Double_t g[3] The ALICE Cartesean 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. - // Outputs are: - // return The module number representing the nearest module. + // 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 d