1 void MakeITSResMisAlignment(){
2 // Create TClonesArray of residual misalignment objects for ITS
4 TClonesArray *array = new TClonesArray("AliAlignObjAngles",4000);
5 TClonesArray &alobj = *array;
7 if(!gGeoManager) TGeoManager::Import("geometry.root");
8 // needed for the constructors with local coordinates not to fail
10 Double_t globalZ = 0.005; // in cm, = 50 microns
11 Double_t resFact = 0.7;
12 Double_t spdXY = 0.0015*resFact;
13 Double_t sddXYZ = 0.0030*resFact;
14 Double_t ssdXY = 0.0020*resFact;
17 Double_t spdZ = 0.002;
18 Double_t ssdZ = 0.010;
20 TRandom *rnd = new TRandom(65416087);
23 Double_t dx=0., dy=0., dz=0., dpsi=0., dtheta=0., dphi=0.;
24 AliAlignObj::ELayerID iLayer = AliAlignObj::kInvalidLayer;
28 new(alobj[j]) AliAlignObjAngles("ITS", 0, dx, dy, globalZ, dpsi, dtheta, dphi, kTRUE);
31 for ( Int_t l = AliAlignObj::kSPD1; l <= AliAlignObj::kSSD2; l++) {
33 printf("%i modules in layer %i\n", AliAlignObj::LayerSize(l), l);
34 for (Int_t iModule = 0; iModule < AliAlignObj::LayerSize(l); iModule++) {
36 dpsi = rnd->Gaus(0., rot);
37 dtheta = rnd->Gaus(0., rot);
38 dphi = rnd->Gaus(0., rot);
40 iLayer = AliAlignObj::kInvalidLayer;
44 iLayer = AliAlignObj::kSPD1;
45 dx = rnd->Gaus(0., spdXY);
46 dy = rnd->Gaus(0., spdXY);
47 dz = rnd->Gaus(0., spdZ);
50 iLayer = AliAlignObj::kSPD2;
51 dx = rnd->Gaus(0., spdXY);
52 dy = rnd->Gaus(0., spdXY);
53 dz = rnd->Gaus(0., spdZ);
56 iLayer = AliAlignObj::kSDD1;
57 dx = rnd->Gaus(0., sddXYZ);
58 dy = rnd->Gaus(0., sddXYZ);
59 dz = rnd->Gaus(0., sddXYZ);
62 iLayer = AliAlignObj::kSDD2;
63 dx = rnd->Gaus(0., sddXYZ);
64 dy = rnd->Gaus(0., sddXYZ);
65 dz = rnd->Gaus(0., sddXYZ);
68 iLayer = AliAlignObj::kSSD1;
69 dx = rnd->Gaus(0., ssdXY);
70 dy = rnd->Gaus(0., ssdXY);
71 dz = rnd->Gaus(0., ssdZ);
74 iLayer = AliAlignObj::kSSD2;
75 dx = rnd->Gaus(0., ssdXY);
76 dy = rnd->Gaus(0., ssdXY);
77 dz = rnd->Gaus(0., ssdZ);
79 default: Printf("Wrong layer index in ITS (%d) !",l);
81 UShort_t volid = AliAlignObj::LayerToVolUID(iLayer,iModule);
82 const char *symname = AliAlignObj::SymName(volid);
84 new(alobj[j]) AliAlignObjAngles(symname, volid, dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
90 if(!gSystem->Getenv("$TOCDB")){
92 TFile f("ITSresidualMisalignment.root","RECREATE");
93 if(!f) {cerr<<"cannot open file for output\n";}
94 f.WriteObject(array,"ITSAlignObjs","kSingleKey");
97 // save in CDB storage
98 const char* Storage = gSystem->Getenv("$STORAGE");
99 AliCDBManager *CDB = AliCDBManager::Instance();
100 AliCDBStorage* storage = CDB->GetStorage(Storage);
101 AliCDBMetaData *md= new AliCDBMetaData();
102 md->SetResponsible("Ludovic Gaudichet");
103 md->SetComment("Alignment objects with actual ITS misalignment");
104 md->SetAliRootVersion(gSystem->Getenv("$ARVERSION"));
105 AliCDBId id("ITS/Align/Data",0,9999999);
106 storage->Put(array,id, md);