- //
- // read in the geometry of the detector in euclid file format
- //
- // id_det : the detector identification (2=its,...)
- // topvol : return parameter describing the name of the top
- // volume of geometry.
- //
- // author : m. maire
- //
- // 28.07.98
- // several changes have been made by miroslav helbich
- // subroutine is rewrited to follow the new established way of memory
- // booking for tracking medias and rotation matrices.
- // all used tracking media have to be defined first, for this you can use
- // subroutine greutmed.
- // top volume is searched as only volume not positioned into another
- //
-
- Int_t i, nvol, iret, itmed, irot, numed, npar, ndiv, iaxe;
- Int_t ndvmx, nr, flag;
- char key[5], card[77], natmed[21];
- char name[5], mother[5], shape[5], konly[5], volst[7000][5];
- char *filtmp;
- Float_t par[100];
- Float_t teta1, phi1, teta2, phi2, teta3, phi3, orig, step;
- Float_t xo, yo, zo;
- const Int_t kMaxRot=5000;
- Int_t idrot[kMaxRot],istop[7000];
- FILE *lun;
- //
- // *** The input filnam name will be with extension '.euc'
- filtmp=gSystem->ExpandPathName(filnam);
- lun=fopen(filtmp,"r");
- delete [] filtmp;
- if(!lun) {
- AliError(Form("Could not open file %s",filnam));
- return;
- }
- //* --- definition of rotation matrix 0 ---
- TArrayI &idtmed = *fIdtmed;
- for(i=1; i<kMaxRot; ++i) idrot[i]=-99;
- idrot[0]=0;
- nvol=0;
- L10:
- for(i=0;i<77;i++) card[i]=0;
- iret=fscanf(lun,"%77[^\n]",card);
- if(iret<=0) goto L20;
- fscanf(lun,"%*c");
- //*
- strncpy(key,card,4);
- key[4]='\0';
- if (!strcmp(key,"TMED")) {
- sscanf(&card[5],"%d '%[^']'",&itmed,natmed);
- if( itmed<0 || itmed>=100 ) {
- AliError(Form("TMED illegal medium number %d for %s",itmed,natmed));
- exit(1);
- }
- //Pad the string with blanks
- i=-1;
- while(natmed[++i]);
- while(i<20) natmed[i++]=' ';
- natmed[i]='\0';
- //
- if( idtmed[itmed]<=0 ) {
- AliError(Form("TMED undefined medium number %d for %s",itmed,natmed));
- exit(1);
- }
- gMC->Gckmat(idtmed[itmed],natmed);
- //*
- } else if (!strcmp(key,"ROTM")) {
- sscanf(&card[4],"%d %f %f %f %f %f %f",&irot,&teta1,&phi1,&teta2,&phi2,&teta3,&phi3);
- if( irot<=0 || irot>=kMaxRot ) {
- AliError(Form("ROTM rotation matrix number %d illegal",irot));
- exit(1);
- }
- AliMatrix(idrot[irot],teta1,phi1,teta2,phi2,teta3,phi3);
- //*
- } else if (!strcmp(key,"VOLU")) {
- sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, shape, &numed, &npar);
- if (npar>0) {
- for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
- fscanf(lun,"%*c");
- }
- gMC->Gsvolu( name, shape, idtmed[numed], par, npar);
- //* save the defined volumes
- strcpy(volst[++nvol],name);
- istop[nvol]=1;
- //*
- } else if (!strcmp(key,"DIVN")) {
- sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, mother, &ndiv, &iaxe);
- gMC->Gsdvn ( name, mother, ndiv, iaxe );
- //*
- } else if (!strcmp(key,"DVN2")) {
- sscanf(&card[5],"'%[^']' '%[^']' %d %d %f %d",name, mother, &ndiv, &iaxe, &orig, &numed);
- gMC->Gsdvn2( name, mother, ndiv, iaxe, orig,idtmed[numed]);
- //*
- } else if (!strcmp(key,"DIVT")) {
- sscanf(&card[5],"'%[^']' '%[^']' %f %d %d %d", name, mother, &step, &iaxe, &numed, &ndvmx);
- gMC->Gsdvt ( name, mother, step, iaxe, idtmed[numed], ndvmx);
- //*
- } else if (!strcmp(key,"DVT2")) {
- sscanf(&card[5],"'%[^']' '%[^']' %f %d %f %d %d", name, mother, &step, &iaxe, &orig, &numed, &ndvmx);
- gMC->Gsdvt2 ( name, mother, step, iaxe, orig, idtmed[numed], ndvmx );
- //*
- } else if (!strcmp(key,"POSI")) {
- sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']'", name, &nr, mother, &xo, &yo, &zo, &irot, konly);
- if( irot<0 || irot>=kMaxRot ) {
- Error("ReadEuclid","POSI %s#%d rotation matrix number %d illegal\n",name,nr,irot);
- exit(1);
- }
- if( idrot[irot] == -99) {
- Error("ReadEuclid","POSI %s#%d undefined matrix number %d\n",name,nr,irot);
- exit(1);
- }
- //*** volume name cannot be the top volume
- for(i=1;i<=nvol;i++) {
- if (!strcmp(volst[i],name)) istop[i]=0;
- }
- //*
- gMC->Gspos ( name, nr, mother, xo, yo, zo, idrot[irot], konly );
- //*
- } else if (!strcmp(key,"POSP")) {
- sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']' %d", name, &nr, mother, &xo, &yo, &zo, &irot, konly, &npar);
- if( irot<0 || irot>=kMaxRot ) {
- Error("ReadEuclid","POSP %s#%d rotation matrix number %d illegal\n",name,nr,irot);
- exit(1);
- }
- if( idrot[irot] == -99) {
- Error("ReadEuclid","POSP %s#%d undefined matrix number %d\n",name,nr,irot);
- exit(1);
- }
- if (npar > 0) {
- for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
- fscanf(lun,"%*c");
- }
- //*** volume name cannot be the top volume
- for(i=1;i<=nvol;i++) {
- if (!strcmp(volst[i],name)) istop[i]=0;
- }
- //*
- gMC->Gsposp ( name, nr, mother, xo,yo,zo, idrot[irot], konly, par, npar);
- }
- //*
- if (strcmp(key,"END")) goto L10;
- //* find top volume in the geometry
- flag=0;
- for(i=1;i<=nvol;i++) {
- if (istop[i] && flag) {
- AliWarning(Form(" %s is another possible top volume",volst[i]));
- }
- if (istop[i] && !flag) {
- strcpy(topvol,volst[i]);
- AliDebug(2, Form("volume %s taken as a top volume",topvol));
- flag=1;
- }
- }
- if (!flag) {
- AliWarning("top volume not found");
- }
- fclose (lun);
- //*
- //* commented out only for the not cernlib version
- AliDebug(1, Form("file: %s is now read in",filnam));
- //
- return;
- //*
- L20:
- AliError("reading error or premature end of file");
-}
-
-//_______________________________________________________________________
-void AliModule::ReadEuclidMedia(const char* filnam)
-{
- //
- // read in the materials and tracking media for the detector
- // in euclid file format
- //
- // filnam: name of the input file
- // id_det: id_det is the detector identification (2=its,...)
- //
- // author : miroslav helbich
- //
- Float_t sxmgmx = gAlice->Field()->Max();
- Int_t isxfld = gAlice->Field()->Integ();
- Int_t end, i, iret, itmed;
- char key[5], card[130], natmed[21], namate[21];
- Float_t ubuf[50];
- char* filtmp;
- FILE *lun;
- Int_t imate;
- Int_t nwbuf, isvol, ifield, nmat;
- Float_t a, z, dens, radl, absl, fieldm, tmaxfd, stemax, deemax, epsil, stmin;
- //
- end=strlen(filnam);
- for(i=0;i<end;i++) if(filnam[i]=='.') {
- end=i;
- break;
- }
- //
- // *** The input filnam name will be with extension '.euc'
- AliDebug(1, Form("The file name is %s",filnam)); //Debug
- filtmp=gSystem->ExpandPathName(filnam);
- lun=fopen(filtmp,"r");
- delete [] filtmp;
- if(!lun) {
- AliWarning(Form("Could not open file %s",filnam));
- return;
- }
- //
- // Retrieve Mag Field parameters
- Int_t globField=gAlice->Field()->Integ();
- Float_t globMaxField=gAlice->Field()->Max();
- // TArrayI &idtmed = *fIdtmed;
- //
- L10:
- for(i=0;i<130;i++) card[i]=0;
- iret=fscanf(lun,"%4s %[^\n]",key,card);
- if(iret<=0) goto L20;
- fscanf(lun,"%*c");
- //*
- //* read material
- if (!strcmp(key,"MATE")) {
- sscanf(card,"%d '%[^']' %f %f %f %f %f %d",&imate,namate,&a,&z,&dens,&radl,&absl,&nwbuf);
- if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
- //Pad the string with blanks
- i=-1;
- while(namate[++i]);
- while(i<20) namate[i++]=' ';
- namate[i]='\0';
- //
- AliMaterial(imate,namate,a,z,dens,radl,absl,ubuf,nwbuf);
- //* read tracking medium
- } else if (!strcmp(key,"TMED")) {
- sscanf(card,"%d '%[^']' %d %d %d %f %f %f %f %f %f %d",
- &itmed,natmed,&nmat,&isvol,&ifield,&fieldm,&tmaxfd,
- &stemax,&deemax,&epsil,&stmin,&nwbuf);
- if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
- if (ifield<0) ifield=isxfld;
- if (fieldm<0) fieldm=sxmgmx;
- //Pad the string with blanks
- i=-1;
- while(natmed[++i]);
- while(i<20) natmed[i++]=' ';
- natmed[i]='\0';
- //
- AliMedium(itmed,natmed,nmat,isvol,globField,globMaxField,tmaxfd,
- stemax,deemax,epsil,stmin,ubuf,nwbuf);
- // (*fImedia)[idtmed[itmed]-1]=id_det;
- //*
- }
- //*
- if (strcmp(key,"END")) goto L10;
- fclose (lun);
- //*
- //* commented out only for the not cernlib version
- AliDebug(1, Form("file %s is now read in",filnam));
- //*
- return;
- //*
- L20:
- AliWarning("reading error or premature end of file");
-}
-
-//_______________________________________________________________________
-void AliModule::RemapTrackReferencesIDs(Int_t *map)
-{
- //
- // Remapping track reference
- // Called at finish primary
- //
- if (!fTrackReferences) return;
- for (Int_t i=0;i<fTrackReferences->GetEntries();i++){
- AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTrackReferences->UncheckedAt(i));
- if (ref) {
- Int_t newID = map[ref->GetTrack()];
- if (newID>=0) ref->SetTrack(newID);
- else {
- //ref->SetTrack(-1);
- ref->SetBit(kNotDeleted,kFALSE);
- fTrackReferences->RemoveAt(i);
- }
- }
- }
- fTrackReferences->Compress();
-
-}
-
-
-//_______________________________________________________________________
-AliTrackReference* AliModule::FirstTrackReference(Int_t track)
-{
- //
- // Initialise the hit iterator
- // Return the address of the first hit for track
- // If track>=0 the track is read from disk
- // while if track<0 the first hit of the current
- // track is returned