-
-TVector3 v[28];
-Int_t nCh;
-
-
-TGeoHMatrix GetResSurvAlign(Int_t survNch);
-
-void SurveyToAlignHmpid(){
-
-
- AliSurveyObj *so = new AliSurveyObj();
-
-
- Int_t size = so->GetEntries();
- printf("-> %d\n", size);
-
- so->FillFromLocalFile("Survey_781282_HMPID.txt");
- size = so->GetEntries();
- printf("--> %d\n", size);
-
-
- TObjArray *points = so->GetData();
-// TVector3 v[28];
-
- for (Int_t i = 0; i < points->GetEntries(); ++i)
- {
- AliSurveyPoint *p=(AliSurveyPoint *) points->At(i);
- v[i].SetXYZ(p->GetX()*100.,p->GetY()*100.,p->GetZ()*100.);
- }
-
-
-// // To produce the alignment object for the given volume you would
-// // then do something like this:
-// // Calculate the global delta transformation as ng * g3-1
-// TGeoHMatrix gdelta = g3->Inverse(); //now equal to the inverse of g3
-// gdelta.MultiplyLeft(&ng);
-// Int_t index = 0;
-// // if the volume is in the look-up table use something like this instead:
-// // AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,i);
-// AliAlignObjMatrix* mobj = new AliAlignObjMatrix("symname",index,gdelta,kTRUE);
-
-
-TGeoHMatrix mtx = GetResSurvAlign(5);
-
-TGeoManager::Import("/home/mserio/tstesdtrk/geometry.root");
-gGeoManager->cd(Form("ALIC_1/Hmp_%1i",nCh));
-TGeoHMatrix g0 = *gGeoManager->GetCurrentMatrix();
-cout<<"\n\n*********Ideal Matrix (chamber "<<nCh<<")*********"<<endl;
-g0.Print();
-TGeoHMatrix gdelta = g0.Inverse();
-gdelta.MultiplyLeft(&mtx);
-
-//gdelta.Print();
-
-AliAlignObjMatrix* mobj = new
-AliAlignObjMatrix(AliGeomManager::SymName(AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,nCh)),
- AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,nCh),gdelta,kTRUE);
-/*
-cout<<"\n************* obtained AliAlignObjMatrix************\n";
-mobj->Print();
-cout<<""<<endl;
-
-TGeoHMatrix pa=gdelta*g0;
-
-pa.Print();
-*/
+TVector3 fFM[28]; //array of global coordinates for 28 fiducial marks
+Int_t sNch, oNch; // survey and offline chamber's number
+
+
+TGeoHMatrix GetResSurvAlign(Int_t survNch, Int_t& offNch);
+
+void SurveyToAlignHmpid(const char* filename="Survey_781282_HMPID.txt"){
+ // Open file with AliSurveyPoints for the 7 HMPID chambers
+ // Produce the corresponding alignment objects
+
+ AliSurveyObj *so = new AliSurveyObj();
+
+ Int_t size = so->GetEntries();
+ printf("-> %d\n", size);
+
+ so->FillFromLocalFile(filename);
+ size = so->GetEntries();
+ printf("--> %d\n", size);
+
+ TObjArray *points = so->GetData();
+
+ // We retrieve and open the ideal geometry
+ AliCDBManager* cdbman = AliCDBManager::Instance();
+ if(!cdbman->IsDefaultStorageSet()){
+ cdbman->SetDefaultStorage("local://$ALICE_ROOT");
+ }else{
+ cdbman->SetSpecificStorage("GRP/Geometry/*","local://$ALICE_ROOT");
+ }
+ cdbman->SetRun(0);
+ AliCDBEntry* cdbe = (AliCDBEntry*) cdbman->Get("GRP/Geometry/Data");
+
+
+ for (Int_t i = 0; i < points->GetEntries(); ++i)
+ {
+ AliSurveyPoint *p=(AliSurveyPoint *) points->At(i);
+ fFM[i].SetXYZ(p->GetX()*100.,p->GetY()*100.,p->GetZ()*100.);
+ }
+
+ TString chbasename("/HMPID/Chamber");
+ for(Int_t sNch=0; sNch<7; sNch++){
+ TGeoHMatrix mtx = GetResSurvAlign(sNch,oNch); //get global matrix from survey points
+
+ TString chsymname = chbasename;
+ chsymname += oNch;
+ printf("getting global matrix for the alignable volume %s\n",chsymname.Data());
+ TGeoHMatrix *gm = AliGeomManager::GetMatrix(chsymname.Data());
+
+ if(!gm){
+ printf("unable to get global matrix for the alignable volume %s\n",chsymname.Data());
+ continue;
+ }
+ TGeoHMatrix gdelta = gm->Inverse();
+ gdelta.MultiplyLeft(&mtx);
+
+ //gdelta.Print();
+
+ AliAlignObjMatrix* mobj = new
+ AliAlignObjMatrix(AliGeomManager::SymName(AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,oNch)),
+ AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,oNch),gdelta,kTRUE);
+ /*
+ cout<<"\n************* obtained AliAlignObjMatrix************\n";
+ mobj->Print();
+ cout<<""<<endl;
+
+ TGeoHMatrix pa=gdelta*g0;
+
+ pa.Print();
+ */
+ }
}
-TGeoHMatrix GetResSurvAlign(Int_t survNch)
+TGeoHMatrix GetResSurvAlign(Int_t survNch, Int_t& offNch)
{
-cout<<" ************Survey numbering********Offline Numbering**********"<<endl;
-cout<<"\nChamber No 0 4 "<<endl;
-cout<<"Chamber No 1 3 "<<endl;
-cout<<"Chamber No 2 5 "<<endl;
-cout<<"Chamber No 3 1 "<<endl;
-cout<<"Chamber No 4 6 "<<endl;
-cout<<"Chamber No 5 2 "<<endl;
-cout<<"Chamber No 6 0 "<<endl;
-
-
- // From the new fiducial marks coordinates derive back the
- // new global position of the surveyed volume
- //*** The 4 fiducial marks are assumed on a rectangle
- //*** parallel to a surface of the Hmp (main volume)
- //*** at a certain offset from the origin (zdepth) and with
- //*** x and y sides parallel to the box's x and y axes.
-
-if(survNch==0) nCh=4;
-if(survNch==1) nCh=3;
-if(survNch==2) nCh=5;
-if(survNch==3) nCh=1;
-if(survNch==4) nCh=6;
-if(survNch==5) nCh=2;
-if(survNch==6) nCh=0;
-
- Double_t ab[3], bc[3], n[3];
- Double_t plane[4], s;
- Double_t ngA[3]={v[0+4*survNch].X(),v[0+4*survNch].Y(),v[0+4*survNch].Z()};
- Double_t ngB[3]={v[1+4*survNch].X(),v[1+4*survNch].Y(),v[1+4*survNch].Z()};
- Double_t ngC[3]={v[2+4*survNch].X(),v[2+4*survNch].Y(),v[2+4*survNch].Z()};
- Double_t ngD[3]={v[3+4*survNch].X(),v[3+4*survNch].Y(),v[3+4*survNch].Z()};
-if(survNch>4)
-{
- // first vector on the plane of the fiducial marks
- for(Int_t i=0;i<3;i++){
- ab[i] = ngB[i] - ngA[i];
- }
-
- // second vector on the plane of the fiducial marks
- for(Int_t i=0;i<3;i++){
- bc[i] = ngC[i] - ngB[i];
- }
-}
-
- else{
- // first vector on the plane of the fiducial marks
- for(Int_t i=0;i<3;i++){
- ab[i] = ngB[i] - ngA[i];
- }
-
- // second vector on the plane of the fiducial marks
- for(Int_t i=0;i<3;i++){
- bc[i] = ngD[i] - ngB[i];
- }
-
-}
- // vector normal to the plane of the fiducial marks obtained
- // as cross product of the two vectors on the plane d0^d1
- n[0] = ab[1] * bc[2] - ab[2] * bc[1];
- n[1] = ab[2] * bc[0] - ab[0] * bc[2];
- n[2] = ab[0] * bc[1] - ab[1] * bc[0];
-
- Double_t sizen = TMath::Sqrt( n[0]*n[0] + n[1]*n[1] + n[2]*n[2] );
- if(sizen>1.e-8){
- s = Double_t(1.)/sizen ; //normalization factor
- }else{
- return 0;
- }
-
- // plane expressed in the hessian normal form, see:
- // http://mathworld.wolfram.com/HessianNormalForm.html
- // the first three are the coordinates of the orthonormal vector
- // the fourth coordinate is equal to the distance from the origin
-
- for(i=0;i<3;i++){
- plane[i] = n[i] * s;
- }
- plane[3] = -( plane[0] * ngA[0] + plane[1] * ngA[1] + plane[2] * ngA[2] );
- cout<<"normal to plane and distance from IP: "<<plane[0]<<" "<<plane[1]<<" "<<plane[2]<<" "<<plane[3]<<" "<<endl;
-
- // The center of the square with fiducial marks as corners
- // as the middle point of one diagonal - md
- // Used below to get the center - orig - of the surveyed box
- Double_t orig[3], md[3];
-
-if(survNch>4){
- for(i=0;i<3;i++){
- md[i] = (ngA[i] + ngC[i]) * 0.5;//modified!!!!!!!!!
- }
-
-}
-
-else {
- for(i=0;i<3;i++){
- md[i] = (ngA[i] + ngD[i]) * 0.5;//modified!!!!!!!!!
- }
-}
- cout<<endl<<"The center of the box from Survey data: "<<md[0]<<" "<<md[1]<<" "<<md[2]<<endl;
- const Double_t zdepth=-0.9-4.85; //the survey data are down the radiator (behind the honeycomb structure). They
- //lay on 4 cylinders whose height is 9 mm.
-
- // The center of the box
- for(i=0;i<1;i++){
- orig[i] = md[i] - (-plane[i])*(zdepth+plane[3]);
- }
- orig[1] = md[1] - (-plane[1])*(zdepth+plane[3]);
- orig[2] = md[2] - (-plane[2])*(zdepth+plane[3]);
-
- cout<<endl<<"The origin of the box: "<<orig[0]<<" "<<orig[1]<<" "<<orig[2]<<endl;
-
- // get x,y local directions needed to write the global rotation matrix
- // for the surveyed volume by normalising vectors ab and bc
- Double_t sx = TMath::Sqrt(ab[0]*ab[0] + ab[1]*ab[1] + ab[2]*ab[2]);
- if(sx>1.e-8){
- for(i=0;i<3;i++){
- ab[i] /= sx;
- }
- cout<<endl<<"x "<<ab[0]<<" "<<ab[1]<<" "<<ab[2]<<endl;
- }
- Double_t sy = TMath::Sqrt(bc[0]*bc[0] + bc[1]*bc[1] + bc[2]*bc[2]);
- if(sy>1.e-8){
- for(i=0;i<3;i++){
- bc[i] /= sy;
- }
- cout<<endl<<"y "<<bc[0]<<" "<<bc[1]<<" "<<bc[2]<<endl;
- }
-
-
- // the global matrix for the surveyed volume - ng
- Double_t rot[9] = {-ab[0],bc[0],-plane[0],-ab[1],bc[1],-plane[1],-ab[2],bc[2],-plane[2]};
- TGeoHMatrix ng;
- ng.SetTranslation(md);
- ng.SetRotation(rot);
-
- cout<<"\n********* global matrix inferred from surveyed fiducial marks for chamber"<<survNch<<"***********\n";
- ng.Print();
-
-
-return ng;
+ // For a given chamber identified by survey chamber number 'survNch',
+ // return the global matrix inferred from the survey points of its
+ // 4 fiducial marks and set the offline chamber number 'offNch'
+ //
+ Int_t ChSrv2Off[7] = {4,3,5,1,6,2,0};
+ //cout<<" ********* Chamber Numbers ******"<<endl;
+ //cout<<" **** Survey **** Offline *****"<<endl;
+ //for(Int_t ch=0; ch<7; ch++){
+ // cout<<" "<<ch<<" "<<ChSrv2Off[ch]<<endl;
+ //}
+
+ offNch=ChSrv2Off[survNch];
+
+ Double_t ab[3], bc[3], n[3];
+ Double_t plane[4], s;
+ Double_t ngA[3]={fFM[0+4*survNch].X(),fFM[0+4*survNch].Y(),fFM[0+4*survNch].Z()};
+ Double_t ngB[3]={fFM[1+4*survNch].X(),fFM[1+4*survNch].Y(),fFM[1+4*survNch].Z()};
+ Double_t ngC[3]={fFM[2+4*survNch].X(),fFM[2+4*survNch].Y(),fFM[2+4*survNch].Z()};
+ Double_t ngD[3]={fFM[3+4*survNch].X(),fFM[3+4*survNch].Y(),fFM[3+4*survNch].Z()};
+ if(survNch>4)
+ {
+ // first vector on the plane of the fiducial marks
+ for(Int_t i=0;i<3;i++){
+ ab[i] = ngB[i] - ngA[i];
+ }
+
+ // second vector on the plane of the fiducial marks
+ for(Int_t i=0;i<3;i++){
+ bc[i] = ngC[i] - ngB[i];
+ }
+ }
+ else{
+ // first vector on the plane of the fiducial marks
+ for(Int_t i=0;i<3;i++){
+ ab[i] = ngB[i] - ngA[i];
+ }
+
+ // second vector on the plane of the fiducial marks
+ for(Int_t i=0;i<3;i++){
+ bc[i] = ngD[i] - ngB[i];
+ }
+
+ }
+ // vector normal to the plane of the fiducial marks obtained
+ // as cross product of the two vectors on the plane d0^d1
+ n[0] = ab[1] * bc[2] - ab[2] * bc[1];
+ n[1] = ab[2] * bc[0] - ab[0] * bc[2];
+ n[2] = ab[0] * bc[1] - ab[1] * bc[0];
+
+ Double_t sizen = TMath::Sqrt( n[0]*n[0] + n[1]*n[1] + n[2]*n[2] );
+ if(sizen>1.e-8){
+ s = Double_t(1.)/sizen ; //normalization factor
+ }else{
+ return 0;
+ }
+
+ // plane expressed in the hessian normal form, see:
+ // http://mathworld.wolfram.com/HessianNormalForm.html
+ // the first three are the coordinates of the orthonormal vector
+ // the fourth coordinate is equal to the distance from the origin
+
+ for(i=0;i<3;i++){
+ plane[i] = n[i] * s;
+ }
+ plane[3] = -( plane[0] * ngA[0] + plane[1] * ngA[1] + plane[2] * ngA[2] );
+ cout<<"normal to plane and distance from IP: "<<plane[0]<<" "<<plane[1]<<" "<<plane[2]<<" "<<plane[3]<<" "<<endl;
+
+ // The center of the square with fiducial marks as corners
+ // as the middle point of one diagonal - md
+ // Used below to get the center - orig - of the surveyed box
+ Double_t orig[3], md[3];
+
+ if(survNch>4){
+ for(i=0;i<3;i++){
+ md[i] = (ngA[i] + ngC[i]) * 0.5;//modified!!!!!!!!!
+ }
+
+ }
+
+ else {
+ for(i=0;i<3;i++){
+ md[i] = (ngA[i] + ngD[i]) * 0.5;//modified!!!!!!!!!
+ }
+ }
+ cout<<"The center of the box from Survey data: "<<md[0]<<" "<<md[1]<<" "<<md[2]<<endl;
+ const Double_t zdepth=-0.9-4.85; //the fiducial marks are down the radiator (behind the honeycomb structure). They
+ //lay on 4 cylinders whose height is 9 mm.
+
+ // The center of the box
+ for(i=0;i<1;i++){
+ orig[i] = md[i] - (-plane[i])*(zdepth+plane[3]);
+ }
+ orig[1] = md[1] - (-plane[1])*(zdepth+plane[3]);
+ orig[2] = md[2] - (-plane[2])*(zdepth+plane[3]);
+
+ cout<<"The origin of the box: "<<orig[0]<<" "<<orig[1]<<" "<<orig[2]<<endl;
+
+ // get x,y local directions needed to write the global rotation matrix
+ // for the surveyed volume by normalising vectors ab and bc
+ Double_t sx = TMath::Sqrt(ab[0]*ab[0] + ab[1]*ab[1] + ab[2]*ab[2]);
+ if(sx>1.e-8){
+ for(i=0;i<3;i++){
+ ab[i] /= sx;
+ }
+ cout<<"x "<<ab[0]<<" "<<ab[1]<<" "<<ab[2]<<endl;
+ }
+ Double_t sy = TMath::Sqrt(bc[0]*bc[0] + bc[1]*bc[1] + bc[2]*bc[2]);
+ if(sy>1.e-8){
+ for(i=0;i<3;i++){
+ bc[i] /= sy;
+ }
+ cout<<"y "<<bc[0]<<" "<<bc[1]<<" "<<bc[2]<<endl;
+ }
+
+
+ // the global matrix for the surveyed volume - ng
+ TVector3 v1;
+ v1.SetXYZ(md[0],md[1],md[2]);
+
+ TVector3 w=v1.Unit();
+ Double_t chamberCenter[3];
+ chamberCenter[0]=-w.X()*(zdepth-v1.Mag());
+ chamberCenter[1]=-w.Y()*(zdepth-v1.Mag());
+ chamberCenter[2]=-w.Z()*(zdepth-v1.Mag());
+
+ Double_t rot[9] = {-ab[0],bc[0],-plane[0],-ab[1],bc[1],-plane[1],-ab[2],bc[2],-plane[2]};
+ TGeoHMatrix ng;
+ ng.SetTranslation(md);
+ ng.SetRotation(rot);
+
+ cout<<"\n********* global matrix inferred from surveyed fiducial marks for chamber"<<survNch<<"***********\n";
+ ng.Print();
+
+
+ return ng;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff