// Implementation of the alignment object class, holding the alignment
// constants for a single volume, through the abstract class AliAlignObj.
// From it two derived concrete representation of alignment object class
-// (AliAlignObjAngles, AliAlignObjMatrix) are derived in separate files.
+// (AliAlignObjParams, AliAlignObjMatrix) are derived in separate files.
//-----------------------------------------------------------------
+
#include <TGeoManager.h>
+#include <TGeoMatrix.h>
#include <TGeoPhysicalNode.h>
+#include <TGeoOverlap.h>
#include <TMath.h>
#include "AliAlignObj.h"
#include "AliTrackPointArray.h"
#include "AliLog.h"
-#include "AliAlignObjAngles.h"
ClassImp(AliAlignObj)
-Int_t AliAlignObj::fgLayerSize[kLastLayer - kFirstLayer] = {
- 80, 160, // ITS SPD first and second layer
- 84, 176, // ITS SDD first and second layer
- 748, 950, // ITS SSD first and second layer
- 36, 36, // TPC inner and outer chambers
- 90, 90, 90, 90, 90, 90, // 6 TRD chambers' layers
- 1638, // TOF
- 1, 1, // PHOS ??
- 7, // HMPID ??
- 1 // MUON ??
-};
-
-const char* AliAlignObj::fgLayerName[kLastLayer - kFirstLayer] = {
- "ITS inner pixels layer", "ITS outer pixels layer",
- "ITS inner drifts layer", "ITS outer drifts layer",
- "ITS inner strips layer", "ITS outer strips layer",
- "TPC inner chambers layer", "TPC outer chambers layer",
- "TRD chambers layer 1", "TRD chambers layer 2", "TRD chambers layer 3",
- "TRD chambers layer 4", "TRD chambers layer 5", "TRD chambers layer 6",
- "TOF layer",
- "?","?",
- "HMPID layer",
- "?"
-};
-
-TString* AliAlignObj::fgVolPath[kLastLayer - kFirstLayer] = {
- 0x0,0x0,
- 0x0,0x0,
- 0x0,0x0,
- 0x0,0x0,
- 0x0,0x0,0x0,
- 0x0,0x0,0x0,
- 0x0,
- 0x0,0x0,
- 0x0,
- 0x0
-};
-
-AliAlignObj** AliAlignObj::fgAlignObjs[kLastLayer - kFirstLayer] = {
- 0x0,0x0,
- 0x0,0x0,
- 0x0,0x0,
- 0x0,0x0,
- 0x0,0x0,0x0,
- 0x0,0x0,0x0,
- 0x0,
- 0x0,0x0,
- 0x0,
- 0x0
-};
-
//_____________________________________________________________________________
AliAlignObj::AliAlignObj():
+ TObject(),
fVolPath(),
fVolUID(0)
{
// default constructor
- InitSymNames();
+ for(Int_t i=0; i<6; i++) fDiag[i]=-999.;
+ for(Int_t i=0; i<15; i++) fODia[i]=-999.;
}
//_____________________________________________________________________________
{
// standard constructor
//
+ for(Int_t i=0; i<6; i++) fDiag[i]=-999.;
+ for(Int_t i=0; i<15; i++) fODia[i]=-999.;
+}
+
+//_____________________________________________________________________________
+AliAlignObj::AliAlignObj(const char* symname, UShort_t voluid, Double_t* cmat) :
+ TObject(),
+ fVolPath(symname),
+ fVolUID(voluid)
+{
+ // standard constructor
+ //
+ SetCorrMatrix(cmat);
}
//_____________________________________________________________________________
fVolUID(theAlignObj.GetVolUID())
{
//copy constructor
+ for(Int_t i=0; i<6; i++) fDiag[i]=theAlignObj.fDiag[i];
+ for(Int_t i=0; i<15; i++) fODia[i]=theAlignObj.fODia[i];
}
//_____________________________________________________________________________
if(this==&theAlignObj) return *this;
fVolPath = theAlignObj.GetSymName();
fVolUID = theAlignObj.GetVolUID();
+ for(Int_t i=0; i<6; i++) fDiag[i]=theAlignObj.fDiag[i];
+ for(Int_t i=0; i<15; i++) fODia[i]=theAlignObj.fODia[i];
return *this;
}
theAlignObj.GetMatrix(m2);
m1.MultiplyLeft(&m2);
SetMatrix(m1);
+ // temporary solution: the covariance matrix of the resulting combined object
+ // is set equal to the covariance matrix of the right operand
+ // (not to be used for combining alignment objects for different levels)
+ for(Int_t i=0; i<6; i++) fDiag[i] = theAlignObj.fDiag[i];
+ for(Int_t i=0; i<15; i++) fODia[i] = theAlignObj.fODia[i];
return *this;
}
}
//_____________________________________________________________________________
-void AliAlignObj::SetVolUID(ELayerID detId, Int_t modId)
+void AliAlignObj::SetVolUID(AliGeomManager::ELayerID detId, Int_t modId)
{
// From detector name and module number (according to detector numbering)
// build fVolUID, unique numerical identity of that volume inside ALICE
// fVolUID is 16 bits, first 5 reserved for detID (32 possible values),
// remaining 11 for module ID inside det (2048 possible values).
//
- fVolUID = LayerToVolUID(detId,modId);
+ fVolUID = AliGeomManager::LayerToVolUID(detId,modId);
}
//_____________________________________________________________________________
-void AliAlignObj::GetVolUID(ELayerID &layerId, Int_t &modId) const
+void AliAlignObj::GetVolUID(AliGeomManager::ELayerID &layerId, Int_t &modId) const
{
// From the fVolUID, unique numerical identity of that volume inside ALICE,
// (voluid is 16 bits, first 5 reserved for layerID (32 possible values),
// belongs and sets the argument modId to the identity of that volume
// internally to the layer.
//
- layerId = VolUIDToLayer(fVolUID,modId);
+ layerId = AliGeomManager::VolUIDToLayer(fVolUID,modId);
}
//_____________________________________________________________________________
// slashes in the corresponding volume path
//
if(!gGeoManager){
- AliWarning("gGeoManager doesn't exist or it is still opened: unable to return meaningful level value.");
+ AliWarning("gGeoManager doesn't exist or it is still open: unable to return meaningful level value.");
return (-1);
}
const char* symname = GetSymName();
path = symname;
}
- TString path_str = path;
- if(path_str[0]!='/') path_str.Prepend('/');
- return path_str.CountChar('/');
+ TString pathStr = path;
+ if(pathStr[0]!='/') pathStr.Prepend('/');
+ return pathStr.CountChar('/');
}
//_____________________________________________________________________________
return ((level > level2) ? 1 : -1);
}
+//______________________________________________________________________________
+void AliAlignObj::GetCovMatrix(Double_t *cmat) const
+{
+ // Fills the cmat argument with the coefficients of the external cov matrix (21 elements)
+ // calculating them from the correlation matrix data member
+ //
+
+ for(Int_t i=0; i<6; ++i) {
+ // Off diagonal elements
+ for(Int_t j=0; j<i; ++j) {
+ cmat[i*(i+1)/2+j] = (fDiag[j] >= 0. && fDiag[i] >= 0.) ? fODia[(i-1)*i/2+j]*fDiag[j]*fDiag[i]: -999.;
+ }
+
+ // Diagonal elements
+ cmat[i*(i+1)/2+i] = (fDiag[i] >= 0.) ? fDiag[i]*fDiag[i] : -999.;
+ }
+
+ return;
+}
+
+//______________________________________________________________________________
+void AliAlignObj::GetCovMatrix(TMatrixDSym& mcov) const
+{
+ // Fills the matrix m passed as argument as the covariance matrix calculated
+ // from the coefficients of the reduced covariance matrix data members
+ //
+
+ for(Int_t i=0; i<6; ++i) {
+ // Off diagonal elements
+ for(Int_t j=0; j<i; ++j) {
+ mcov(j,i) = mcov(i,j) = (fDiag[j] >= 0. && fDiag[i] >= 0.) ? fODia[(i-1)*i/2+j]*fDiag[j]*fDiag[i]: -999.;
+ }
+
+ // Diagonal elements
+ mcov(i,i) = (fDiag[i] >= 0.) ? fDiag[i]*fDiag[i] : -999.;
+ }
+
+}
+
+//______________________________________________________________________________
+Bool_t AliAlignObj::GetLocalCovMatrix(TMatrixDSym& lCov) const
+{
+ // Calculates the covariance matrix (6x6) associated to the six parameters
+ // defining the current alignment in the global coordinates system (and sets
+ // in the internal data members) from the covariance matrix (6x6) for the six
+ // parameters defining the alignment transformation in the local coordinates
+ // system, passed as an argument.
+ //
+ TMatrixD mJ(6,6);// the jacobian of the transformation from local to global parameters
+ if(!GetJacobian(mJ)) return kFALSE;
+
+ TMatrixDSym gCov(6);
+ GetCovMatrix(gCov);
+
+ // Compute the local covariance matrix lcov = mJ^T gcov mJ
+ TMatrixD gcovJ(gCov,TMatrixD::kMult,mJ);
+ TMatrixD lCovM(mJ,TMatrixD::kTransposeMult,gcovJ);
+ // To be done: somehow check that lCovM is close enough to be symmetric
+ for(Int_t i=0; i<6; i++)
+ {
+ lCov(i,i) = lCovM(i,i);
+ for(Int_t j=i+1; j<6; j++)
+ {
+ lCov(i,j)=lCovM(i,j);
+ lCov(j,i)=lCovM(i,j);
+ }
+ }
+
+ return kTRUE;
+
+}
+
+//______________________________________________________________________________
+Bool_t AliAlignObj::GetLocalCovMatrix(Double_t *lCov) const
+{
+ // Calculates the covariance matrix (6x6) associated to the six parameters
+ // defining the current alignment in the global coordinates system (and sets
+ // in the internal data members) from the covariance matrix (6x6) for the six
+ // parameters defining the alignment transformation in the local coordinates
+ // system, passed as an argument.
+ //
+ TMatrixDSym lCovMatrix(6);
+ GetLocalCovMatrix(lCovMatrix);
+
+ Int_t k=0;
+ for(Int_t i=0; i<6; i++)
+ for(Int_t j=i; j<6; j++)
+ {
+ lCov[k++] = lCovMatrix(i,j);
+ }
+
+ return kTRUE;
+}
+
+//______________________________________________________________________________
+Bool_t AliAlignObj::GetJacobian(TMatrixD& mJ) const
+{
+ // Compute the jacobian J of the transformation of the six local to the six global delta parameters
+ //
+ // R00 R01 R02 | (R01Rk2 - R02Rk1)Tk (R02Rk0 - R00Rk2)Tk (R00Rk1 - R01Rk0)Tk
+ // R00 R01 R02 | (R11Rk2 - R12Rk1)Tk (R12Rk0 - R10Rk2)Tk (R10Rk1 - R11Rk0)Tk
+ // R00 R01 R02 | (R21Rk2 - R22Rk1)Tk (R22Rk0 - R20Rk2)Tk (R20Rk1 - R21Rk0)Tk
+ // - - - - - - - - - - - - - - - - - - - - - - -
+ // 0 0 0 | R11R22 - R12R21 R12R20 - R10R22 R10R21 - R11R20
+ // 0 0 0 | R21R02 - R22R01 R22R00 - R20R02 R20R01 - R21R00
+ // 0 0 0 | R01R12 - R02R11 R02R10 - R00R12 R00R11 - R01R10
+ //
+ if (!gGeoManager || !gGeoManager->IsClosed()) {
+ AliError("Can't compute the global covariance matrix from the local one without an open geometry!");
+ return kFALSE;
+ }
+
+ const char* symname = GetSymName();
+ TGeoPhysicalNode* node;
+ TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
+ if(pne){
+ if(!pne->GetPhysicalNode()){
+ node = gGeoManager->MakeAlignablePN(pne);
+ }else{
+ node = pne->GetPhysicalNode();
+ }
+ }else{
+ AliWarning(Form("The symbolic volume name %s does not correspond to a physical entry. Using it as volume path!",symname));
+ node = (TGeoPhysicalNode*) gGeoManager->MakePhysicalNode(symname);
+ }
+
+ if (!node) {
+ AliError(Form("Volume name or path %s not valid!",symname));
+ return kFALSE;
+ }
+
+ TGeoHMatrix gm; //global matrix
+ gm = *node->GetMatrix();
+ Double_t *tr = gm.GetTranslation();
+ Double_t *rot = gm.GetRotationMatrix();
+
+ TGeoHMatrix m; // global delta transformation matrix
+ GetMatrix(m);
+ // We should probably check that it's sufficinetly close to identity
+ // if it's not return because the "small angles" approximation cannot hold
+
+ // 3x3 upper left part (global shifts derived w.r.t. local shifts)
+ for(Int_t i=0; i<3; i++)
+ {
+ for(Int_t j=0; j<3; j++)
+ {
+ mJ(i,j) = rot[i+3*j];
+ }
+ }
+
+ // 3x3 lower left part (global angles derived w.r.t. local shifts)
+ for(Int_t i=0; i<3; i++)
+ {
+ for(Int_t j=0; j<3; j++)
+ {
+ mJ(i+3,j) = 0.;
+ }
+ }
+
+ // 3x3 upper right part (global shifts derived w.r.t. local angles)
+ for(Int_t i=0; i<3; i++)
+ {
+ for(Int_t j=0; j<3; j++)
+ {
+ Double_t mEl = 0.;
+ Int_t b = (j+1)%3;
+ Int_t d = (j+2)%3;
+ for(Int_t k=0; k<3; k++)
+ {
+ mEl += (rot[3*i+b]*rot[3*k+d])*tr[k]-(rot[3*i+d]*rot[3*k+b])*tr[k];
+ }
+ mJ(i,j+3) = mEl;
+ }
+ }
+
+ // 3x3 lower right part (global angles derived w.r.t. local angles)
+ for(Int_t i=0; i<3; i++)
+ for(Int_t j=0; j<3; j++)
+ {
+ Int_t a = (i+1)%3;
+ Int_t b = (j+1)%3;
+ Int_t c = (i+2)%3;
+ Int_t d = (j+2)%3;
+ mJ(i+3,j+3) = rot[3*a+b]*rot[3*c+d]-rot[3*a+d]*rot[3*c+b];
+ }
+
+ return kTRUE;
+
+}
+
+//______________________________________________________________________________
+Bool_t AliAlignObj::SetFromLocalCov(TMatrixDSym& lCov)
+{
+ // Calculates the covariance matrix (6x6) associated to the six parameters
+ // defining the current alignment in the global coordinates system (and sets
+ // in the internal data members) from the covariance matrix (6x6) for the six
+ // parameters defining the alignment transformation in the local coordinates
+ // system, passed as an argument.
+ //
+ TMatrixD mJ(6,6);// the jacobian of the transformation from local to global parameters
+ if(!GetJacobian(mJ)) return kFALSE;
+
+ // Compute the global covariance matrix gcov = mJ lcov mJ'
+ TMatrixD trJ(TMatrixD::kTransposed, mJ);
+ TMatrixD lcovTrJ(lCov,TMatrixD::kMult,trJ);
+ TMatrixD gCovM(mJ,TMatrixD::kMult,lcovTrJ);
+ // To be done: somehow check that gCovM is close enough to be symmetric
+ TMatrixDSym gCov(6);
+ for(Int_t i=0; i<6; i++)
+ {
+ gCov(i,i) = gCovM(i,i);
+ for(Int_t j=i+1; j<6; j++)
+ {
+ gCov(i,j)=gCovM(i,j);
+ gCov(j,i)=gCovM(i,j);
+ }
+ }
+ SetCorrMatrix(gCov);
+
+ return kTRUE;
+
+}
+
+//______________________________________________________________________________
+Bool_t AliAlignObj::SetFromLocalCov(Double_t *lCov)
+{
+ // Calculates the covariance matrix (6x6) associated to the six parameters
+ // defining the current alignment in the global coordinates system, and sets
+ // in the internal data members, from the 21 coefficients, passed as argument,
+ // of the covariance matrix (6x6) for the six parameters defining the
+ // alignment transformation in the local coordinates system.
+ //
+ TMatrixDSym lCovMatrix(6);
+
+ Int_t k=0;
+ for(Int_t i=0; i<6; i++)
+ for(Int_t j=i; j<6; j++)
+ {
+ lCovMatrix(i,j) = lCov[k++];
+ if(j!=i) lCovMatrix(j,i) = lCovMatrix(i,j);
+ }
+
+ return SetFromLocalCov(lCovMatrix);
+
+}
+
+
+//______________________________________________________________________________
+void AliAlignObj::SetCorrMatrix(Double_t *cmat)
+{
+ // Sets the correlation matrix data member from the coefficients of the external covariance
+ // matrix (21 elements passed as argument).
+ //
+ if(cmat) {
+
+ // Diagonal elements first
+ for(Int_t i=0; i<6; ++i) {
+ fDiag[i] = (cmat[i*(i+1)/2+i] >= 0.) ? TMath::Sqrt(cmat[i*(i+1)/2+i]) : -999.;
+ }
+
+ // ... then the ones off diagonal
+ for(Int_t i=0; i<6; ++i)
+ // Off diagonal elements
+ for(Int_t j=0; j<i; ++j) {
+ fODia[(i-1)*i/2+j] = (fDiag[i] > 0. && fDiag[j] > 0.) ? cmat[i*(i+1)/2+j]/(fDiag[j]*fDiag[i]) : 0.; // check for division by zero (due to diagonal element of 0) and for fDiag != -999. (due to negative input diagonal element).
+ if (fODia[(i-1)*i/2+j]>1.) fODia[(i-1)*i/2+j] = 1.; // check upper boundary
+ if (fODia[(i-1)*i/2+j]<-1.) fODia[(i-1)*i/2+j] = -1.; // check lower boundary
+ }
+ } else {
+ for(Int_t i=0; i< 6; ++i) fDiag[i]=-999.;
+ for(Int_t i=0; i< 6*(6-1)/2; ++i) fODia[i]=0.;
+ }
+
+ return;
+}
+
+//______________________________________________________________________________
+void AliAlignObj::SetCorrMatrix(TMatrixDSym& mcov)
+{
+ // Sets the correlation matrix data member from the covariance matrix mcov passed
+ // passed as argument.
+ //
+ if(mcov.IsValid()) {
+
+ // Diagonal elements first
+ for(Int_t i=0; i<6; ++i) {
+ fDiag[i] = (mcov(i,i) >= 0.) ? TMath::Sqrt(mcov(i,i)) : -999.;
+ }
+
+ // ... then the ones off diagonal
+ for(Int_t i=0; i<6; ++i)
+ // Off diagonal elements
+ for(Int_t j=0; j<i; ++j) {
+ fODia[(i-1)*i/2+j] = (fDiag[i] > 0. && fDiag[j] > 0.) ? mcov(i,j)/(fDiag[j]*fDiag[i]) : 0.; // check for division by zero (due to diagonal element of 0) and for fDiag != -999. (due to negative input diagonal element).
+ if (fODia[(i-1)*i/2+j]>1.) fODia[(i-1)*i/2+j] = 1.; // check upper boundary
+ if (fODia[(i-1)*i/2+j]<-1.) fODia[(i-1)*i/2+j] = -1.; // check lower boundary
+ }
+ } else {
+ for(Int_t i=0; i< 6; ++i) fDiag[i]=-999.;
+ for(Int_t i=0; i< 6*(6-1)/2; ++i) fODia[i]=0.;
+ }
+
+ return;
+}
+
//_____________________________________________________________________________
void AliAlignObj::AnglesToMatrix(const Double_t *angles, Double_t *rot) const
{
}
//______________________________________________________________________________
-void AliAlignObj::Transform(AliTrackPoint &p) const
+void AliAlignObj::Transform(AliTrackPoint &p, Bool_t copycov) const
{
// The method transforms the space-point coordinates using the
// transformation matrix provided by the AliAlignObj
- // The covariance matrix is not affected since we assume
- // that the transformations are sufficiently small
+ // In case the copycov flag is set to kTRUE, the covariance matrix
+ // of the alignment object is copied into the space-point
//
if (fVolUID != p.GetVolumeID())
AliWarning(Form("Alignment object ID is not equal to the space-point ID (%d != %d)",fVolUID,p.GetVolumeID()));
xyzin[1]*rot[3*i+1]+
xyzin[2]*rot[3*i+2];
p.SetXYZ(xyzout);
+
+ if(copycov){
+ TMatrixDSym covmat(6);
+ GetCovMatrix(covmat);
+ p.SetAlignCovMatrix(covmat);
+ }
}
printf("Volume=%s\n",GetSymName());
if (GetVolUID() != 0) {
- ELayerID layerId;
+ AliGeomManager::ELayerID layerId;
Int_t modId;
GetVolUID(layerId,modId);
- printf("VolumeID=%d LayerID=%d ( %s ) ModuleID=%d\n", GetVolUID(),layerId,LayerName(layerId),modId);
+ printf("VolumeID=%d LayerID=%d ( %s ) ModuleID=%d\n", GetVolUID(),layerId,AliGeomManager::LayerName(layerId),modId);
}
printf("%12.8f%12.8f%12.8f Tx = %12.8f Psi = %12.8f\n", rot[0], rot[1], rot[2], tr[0], angles[0]);
printf("%12.8f%12.8f%12.8f Ty = %12.8f Theta = %12.8f\n", rot[3], rot[4], rot[5], tr[1], angles[1]);
}
-//_____________________________________________________________________________
-Int_t AliAlignObj::LayerSize(Int_t layerId)
-{
- // Get the layer size for layer corresponding to layerId.
- // Implemented only for ITS,TPC,TRD,TOF and HMPID
- //
- if (layerId < kFirstLayer || layerId >= kLastLayer) {
- AliErrorClass(Form("Invalid layer index %d ! Layer range is (%d -> %d) !",layerId,kFirstLayer,kLastLayer));
- return 0;
- }
- else {
- return fgLayerSize[layerId - kFirstLayer];
- }
-}
-
-//_____________________________________________________________________________
-const char* AliAlignObj::LayerName(Int_t layerId)
-{
- // Get the layer name corresponding to layerId.
- // Implemented only for ITS,TPC,TRD,TOF and HMPID
- //
- if (layerId < kFirstLayer || layerId >= kLastLayer) {
- AliErrorClass(Form("Invalid layer index %d ! Layer range is (%d -> %d) !",layerId,kFirstLayer,kLastLayer));
- return "Invalid Layer!";
- }
- else {
- return fgLayerName[layerId - kFirstLayer];
- }
-}
-
-//_____________________________________________________________________________
-UShort_t AliAlignObj::LayerToVolUID(ELayerID layerId, Int_t modId)
-{
- // From detector (layer) name and module number (according to detector
- // internal numbering) build the unique numerical identity of that volume
- // inside ALICE
- // fVolUID is 16 bits, first 5 reserved for layerID (32 possible values),
- // remaining 11 for module ID inside det (2048 possible values).
- //
- return ((UShort_t(layerId) << 11) | UShort_t(modId));
-}
-
-//_____________________________________________________________________________
-UShort_t AliAlignObj::LayerToVolUID(Int_t layerId, Int_t modId)
-{
- // From detector (layer) name and module number (according to detector
- // internal numbering) build the unique numerical identity of that volume
- // inside ALICE
- // fVolUID is 16 bits, first 5 reserved for layerID (32 possible values),
- // remaining 11 for module ID inside det (2048 possible values).
- //
- return ((UShort_t(layerId) << 11) | UShort_t(modId));
-}
-
-//_____________________________________________________________________________
-AliAlignObj::ELayerID AliAlignObj::VolUIDToLayer(UShort_t voluid, Int_t &modId)
-{
- // From voluid, unique numerical identity of that volume inside ALICE,
- // (voluid is 16 bits, first 5 reserved for layerID (32 possible values),
- // remaining 11 for module ID inside det (2048 possible values)), return
- // the identity of the layer to which that volume belongs and sets the
- // argument modId to the identity of that volume internally to the layer.
- //
- modId = voluid & 0x7ff;
-
- return VolUIDToLayer(voluid);
-}
-
-//_____________________________________________________________________________
-AliAlignObj::ELayerID AliAlignObj::VolUIDToLayer(UShort_t voluid)
-{
- // From voluid, unique numerical identity of that volume inside ALICE,
- // (voluid is 16 bits, first 5 reserved for layerID (32 possible values),
- // remaining 11 for module ID inside det (2048 possible values)), return
- // the identity of the layer to which that volume belongs
- //
- return ELayerID((voluid >> 11) & 0x1f);
-}
-
//_____________________________________________________________________________
void AliAlignObj::SetPars(Double_t x, Double_t y, Double_t z,
Double_t psi, Double_t theta, Double_t phi)
// returns false and the object parameters are not set.
//
if (!gGeoManager || !gGeoManager->IsClosed()) {
- AliError("Can't set the alignment object parameters! gGeoManager doesn't exist or it is still opened!");
+ AliError("Can't set the local alignment object parameters! gGeoManager doesn't exist or it is still open!");
return kFALSE;
}
const char* symname = GetSymName();
- TGeoPhysicalNode* node;
+ TGeoHMatrix gprime,gprimeinv;
+ TGeoPhysicalNode* pn = 0;
TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
- if(pne){
- node = gGeoManager->MakeAlignablePN(pne);
+ if(pne)
+ {
+ pn = pne->GetPhysicalNode();
+ if(pn){
+ if (pn->IsAligned())
+ AliWarning(Form("Volume %s has been misaligned already!",symname));
+ gprime = *pn->GetMatrix();
+ }else{
+ gprime = pne->GetGlobalOrig();
+ }
}else{
AliWarning(Form("The symbolic volume name %s does not correspond to a physical entry. Using it as volume path!",symname));
- node = (TGeoPhysicalNode*) gGeoManager->MakePhysicalNode(symname);
- }
-
- if (!node) {
- AliError(Form("Volume name or path %s not valid!",symname));
- return kFALSE;
+ if(!gGeoManager->cd(symname)) {
+ AliError(Form("Volume name or path %s not valid!",symname));
+ return kFALSE;
+ }
+ gprime = *gGeoManager->GetCurrentMatrix();
}
- if (node->IsAligned())
- AliWarning(Form("Volume %s has been already misaligned!",symname));
- TGeoHMatrix m1;
+ TGeoHMatrix m1; // the TGeoHMatrix copy of the local delta "m"
const Double_t *tr = m.GetTranslation();
m1.SetTranslation(tr);
const Double_t* rot = m.GetRotationMatrix();
m1.SetRotation(rot);
- TGeoHMatrix align,gprime,gprimeinv;
- gprime = *node->GetMatrix();
gprimeinv = gprime.Inverse();
m1.Multiply(&gprimeinv);
m1.MultiplyLeft(&gprime);
// returns false and the object parameters are not set.
//
if (!gGeoManager || !gGeoManager->IsClosed()) {
- AliError("Can't set the alignment object parameters! gGeoManager doesn't exist or it is still opened!");
+ AliError("Can't get the local alignment object parameters! gGeoManager doesn't exist or it is still open!");
return kFALSE;
}
TGeoPhysicalNode* node;
TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
if(pne){
- node = gGeoManager->MakeAlignablePN(pne);
+ if(!pne->GetPhysicalNode()){
+ node = gGeoManager->MakeAlignablePN(pne);
+ }else{
+ node = pne->GetPhysicalNode();
+ }
}else{
AliWarning(Form("The symbolic volume name %s does not correspond to a physical entry. Using it as volume path!",symname));
node = (TGeoPhysicalNode*) gGeoManager->MakePhysicalNode(symname);
AliError(Form("Volume name or path %s not valid!",symname));
return kFALSE;
}
- if (node->IsAligned())
- AliWarning(Form("Volume %s has been already misaligned!",symname));
+// if (node->IsAligned())
+// AliWarning(Form("Volume %s has been misaligned already!",symname));
GetMatrix(m);
TGeoHMatrix gprime,gprimeinv;
}
//_____________________________________________________________________________
-Bool_t AliAlignObj::ApplyToGeometry()
+Bool_t AliAlignObj::ApplyToGeometry(Bool_t ovlpcheck)
{
// Apply the current alignment object to the TGeo geometry
// This method returns FALSE if the symname of the object was not
// valid neither to get a TGeoPEntry nor as a volume path
//
if (!gGeoManager || !gGeoManager->IsClosed()) {
- AliError("Can't apply the alignment object! gGeoManager doesn't exist or it is still opened!");
+ AliError("Can't apply the alignment object! gGeoManager doesn't exist or it is still open!");
return kFALSE;
}
-
+
+ if (gGeoManager->IsLocked()){
+ AliError("Can't apply the alignment object! Geometry is locked!");
+ return kFALSE;
+ }
+
const char* symname = GetSymName();
const char* path;
TGeoPhysicalNode* node;
path = pne->GetTitle();
node = gGeoManager->MakeAlignablePN(pne);
}else{
- AliWarning(Form("The symbolic volume name %s does not correspond to a physical entry. Using it as a volume path!",symname));
+ AliDebug(1,Form("The symbolic volume name %s does not correspond to a physical entry. Using it as a volume path!",symname));
path=symname;
if (!gGeoManager->CheckPath(path)) {
- AliError(Form("Volume path %s not valid!",path));
+ AliDebug(1,Form("Volume path %s not valid!",path));
return kFALSE;
}
if (gGeoManager->GetListOfPhysicalNodes()->FindObject(path)) {
- AliError(Form("Volume %s has already been misaligned!",path));
+ AliError(Form("Volume %s has been misaligned already!",path));
return kFALSE;
}
node = (TGeoPhysicalNode*) gGeoManager->MakePhysicalNode(path);
return kFALSE;
}
+ // Double_t threshold = 0.001;
+
TGeoHMatrix align,gprime;
gprime = *node->GetMatrix();
GetMatrix(align);
TGeoHMatrix *g = node->GetMatrix(node->GetLevel()-1);
*ginv = g->Inverse();
*ginv *= gprime;
- AliAlignObj::ELayerID layerId; // unique identity for layer in the alobj
+ AliGeomManager::ELayerID layerId; // unique identity for layer in the alobj
Int_t modId; // unique identity for volume inside layer in the alobj
GetVolUID(layerId, modId);
AliDebug(2,Form("Aligning volume %s of detector layer %d with local ID %d",symname,layerId,modId));
- node->Align(ginv);
-
- return kTRUE;
-}
-
-//_____________________________________________________________________________
-Bool_t AliAlignObj::GetFromGeometry(const char *symname, AliAlignObj &alobj)
-{
- // Get the alignment object which corresponds to the symbolic volume name
- // symname (in case equal to the TGeo volume path)
- // The method is extremely slow due to the searching by string.
- // Therefore it should be used with great care!!
- // This method returns FALSE if the symname of the object was not
- // valid neither to get a TGeoPEntry nor as a volume path, or if the path
- // associated to the TGeoPNEntry was not valid.
- //
-
- // Reset the alignment object
- alobj.SetPars(0,0,0,0,0,0);
- alobj.SetSymName(symname);
-
- if (!gGeoManager || !gGeoManager->IsClosed()) {
- AliErrorClass("Can't get the alignment object! gGeoManager doesn't exist or it is still opened!");
- return kFALSE;
- }
-
- if (!gGeoManager->GetListOfPhysicalNodes()) {
- AliErrorClass("Can't get the alignment object! gGeoManager doesn't contain any aligned nodes!");
- return kFALSE;
- }
-
- const char *path;
- TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
- if(pne){
- path = pne->GetTitle();
+ if(ovlpcheck){
+ node->Align(ginv,0,kTRUE); //(trunk of root takes threshold as additional argument)
}else{
- AliWarningClass(Form("The symbolic volume name %s does not correspond to a physical entry. Using it as a volume path!",symname));
- path = symname;
- }
- TObjArray* nodesArr = gGeoManager->GetListOfPhysicalNodes();
- TGeoPhysicalNode* node = NULL;
- for (Int_t iNode = 0; iNode < nodesArr->GetEntriesFast(); iNode++) {
- TGeoPhysicalNode* tempNode = (TGeoPhysicalNode*) nodesArr->UncheckedAt(iNode);
- const char *nodePath = tempNode->GetName();
- if (strcmp(symname,nodePath) == 0) {
- node = tempNode;
- break;
- }
- }
-
- if (!node) {
- if (!gGeoManager->cd(symname)) {
- AliErrorClass(Form("%s not valid neither as symbolic volume name nor as volume path!",symname));
- return kFALSE;
- }
- else {
- AliWarningClass(Form("Volume (%s) has not been misaligned!",symname));
- return kTRUE;
- }
- }
-
- TGeoHMatrix align,gprime,g,ginv,l;
- gprime = *node->GetMatrix();
- l = *node->GetOriginalMatrix();
- g = *node->GetMatrix(node->GetLevel()-1);
- g *= l;
- ginv = g.Inverse();
- align = gprime * ginv;
-
- return alobj.SetMatrix(align);
-}
-
-//_____________________________________________________________________________
-void AliAlignObj::InitAlignObjFromGeometry()
-{
- // Loop over all alignable volumes and extract
- // the corresponding alignment objects from
- // the TGeo geometry
-
- if(fgAlignObjs[0]) return;
-
- InitSymNames();
-
- for (Int_t iLayer = kFirstLayer; iLayer < AliAlignObj::kLastLayer; iLayer++) {
- fgAlignObjs[iLayer-kFirstLayer] = new AliAlignObj*[AliAlignObj::LayerSize(iLayer)];
- for (Int_t iModule = 0; iModule < AliAlignObj::LayerSize(iLayer); iModule++) {
- UShort_t volid = AliAlignObj::LayerToVolUID(iLayer,iModule);
- fgAlignObjs[iLayer-kFirstLayer][iModule] = new AliAlignObjAngles("",volid,0,0,0,0,0,0,kTRUE);
- const char *symname = SymName(volid);
- if (!GetFromGeometry(symname, *fgAlignObjs[iLayer-kFirstLayer][iModule]))
- AliErrorClass(Form("Failed to extract the alignment object for the volume (ID=%d and path=%s) !",volid,symname));
- }
+ node->Align(ginv,0,kFALSE);
}
-
-}
-
-//_____________________________________________________________________________
-AliAlignObj* AliAlignObj::GetAlignObj(UShort_t voluid) {
- // Returns the alignment object for given volume ID
- //
- Int_t modId;
- ELayerID layerId = VolUIDToLayer(voluid,modId);
- return GetAlignObj(layerId,modId);
-}
-
-//_____________________________________________________________________________
-AliAlignObj* AliAlignObj::GetAlignObj(ELayerID layerId, Int_t modId)
-{
- // Returns pointer to alignment object given its layer and module ID
- //
- if(modId<0 || modId>=fgLayerSize[layerId-kFirstLayer]){
- AliWarningClass(Form("Module number %d not in the valid range (0->%d) !",modId,fgLayerSize[layerId-kFirstLayer]-1));
- return NULL;
- }
- InitAlignObjFromGeometry();
-
- return fgAlignObjs[layerId-kFirstLayer][modId];
-}
-
-//_____________________________________________________________________________
-const char* AliAlignObj::SymName(UShort_t voluid) {
- // Returns the symbolic volume name for given volume ID
- //
- Int_t modId;
- ELayerID layerId = VolUIDToLayer(voluid,modId);
- return SymName(layerId,modId);
-}
-
-//_____________________________________________________________________________
-const char* AliAlignObj::SymName(ELayerID layerId, Int_t modId)
-{
- // Returns the symbolic volume name given for a given layer
- // and module ID
- //
- if(modId<0 || modId>=fgLayerSize[layerId-kFirstLayer]){
- AliWarningClass(Form("Module number %d not in the valid range (0->%d) !",modId,fgLayerSize[layerId-kFirstLayer]-1));
- return NULL;
- }
- InitSymNames();
-
- return fgVolPath[layerId-kFirstLayer][modId].Data();
-}
-
-//_____________________________________________________________________________
-void AliAlignObj::InitSymNames()
-{
- // Initialize the LUTs which associate the symbolic volume names
- // for each alignable volume with their unique numerical identity.
- // The LUTs are static, so they are created during the instantiation
- // of the first intance of AliAlignObj
- //
- if (fgVolPath[0]) return;
-
- for (Int_t iLayer = 0; iLayer < (kLastLayer - kFirstLayer); iLayer++)
- fgVolPath[iLayer] = new TString[fgLayerSize[iLayer]];
-
- TString symname;
- Int_t modnum; // in the following, set it to 0 at the start of each layer
-
- /********************* ITS layers ***********************/
- TString strSPD = "ITS/SPD";
- TString strSDD = "ITS/SDD";
- TString strSSD = "ITS/SSD";
- TString strStave = "/Stave";
- TString strLadder = "/Ladder";
- TString strSector = "/Sector";
- TString strSensor = "/Sensor";
- TString strEntryName1;
- TString strEntryName2;
-
- /********************* SPD layer1 ***********************/
- {
- modnum = 0;
-
- for(Int_t c1 = 1; c1<=10; c1++){
- strEntryName1 = strSPD;
- strEntryName1 += 0;
- strEntryName1 += strSector;
- strEntryName1 += (c1-1);
- for(Int_t c2 =1; c2<=2; c2++){
- strEntryName2 = strEntryName1;
- strEntryName2 += strStave;
- strEntryName2 += (c2-1);
- for(Int_t c3 =1; c3<=4; c3++){
- symname = strEntryName2;
- symname += strLadder;
- symname += (c3-1);
- fgVolPath[kSPD1-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
- }
- }
-
- /********************* SPD layer2 ***********************/
- {
- modnum = 0;
-
- for(Int_t c1 = 1; c1<=10; c1++){
- strEntryName1 = strSPD;
- strEntryName1 += 1;
- strEntryName1 += strSector;
- strEntryName1 += (c1-1);
- for(Int_t c2 =1; c2<=4; c2++){
- strEntryName2 = strEntryName1;
- strEntryName2 += strStave;
- strEntryName2 += (c2-1);
- for(Int_t c3 =1; c3<=4; c3++){
- symname = strEntryName2;
- symname += strLadder;
- symname += (c3-1);
- fgVolPath[kSPD2-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
- }
- }
-
- /********************* SDD layer1 ***********************/
+ if(ovlpcheck)
{
- modnum=0;
-
- for(Int_t c1 = 1; c1<=14; c1++){
- strEntryName1 = strSDD;
- strEntryName1 += 2;
- strEntryName1 +=strLadder;
- strEntryName1 += (c1-1);
- for(Int_t c2 =1; c2<=6; c2++){
- symname = strEntryName1;
- symname += strSensor;
- symname += (c2-1);
- fgVolPath[kSDD1-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
- }
-
- /********************* SDD layer2 ***********************/
- {
- modnum=0;
-
- for(Int_t c1 = 1; c1<=22; c1++){
- strEntryName1 = strSDD;
- strEntryName1 += 3;
- strEntryName1 +=strLadder;
- strEntryName1 += (c1-1);
- for(Int_t c2 = 1; c2<=8; c2++){
- symname = strEntryName1;
- symname += strSensor;
- symname += (c2-1);
- fgVolPath[kSDD2-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
- }
-
- /********************* SSD layer1 ***********************/
- {
- modnum=0;
-
- for(Int_t c1 = 1; c1<=34; c1++){
- strEntryName1 = strSSD;
- strEntryName1 += 4;
- strEntryName1 +=strLadder;
- strEntryName1 += (c1-1);
- for(Int_t c2 = 1; c2<=22; c2++){
- symname = strEntryName1;
- symname += strSensor;
- symname += (c2-1);
- fgVolPath[kSSD1-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
- }
-
- /********************* SSD layer2 ***********************/
- {
- modnum=0;
-
- for(Int_t c1 = 1; c1<=38; c1++){
- strEntryName1 = strSSD;
- strEntryName1 += 5;
- strEntryName1 +=strLadder;
- strEntryName1 += (c1-1);
- for(Int_t c2 = 1; c2<=25; c2++){
- symname = strEntryName1;
- symname += strSensor;
- symname += (c2-1);
- fgVolPath[kSSD2-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
- }
-
-
- /*************** TPC inner and outer layers ****************/
- TString sAsector="TPC/EndcapA/Sector";
- TString sCsector="TPC/EndcapC/Sector";
- TString sInner="/InnerChamber";
- TString sOuter="/OuterChamber";
-
- /*************** TPC inner chambers' layer ****************/
- {
- modnum = 0;
-
- for(Int_t cnt=1; cnt<=18; cnt++){
- symname = sAsector;
- symname += cnt;
- symname += sInner;
- fgVolPath[kTPC1-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- for(Int_t cnt=1; cnt<=18; cnt++){
- symname = sCsector;
- symname += cnt;
- symname += sInner;
- fgVolPath[kTPC1-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
-
- /*************** TPC outer chambers' layer ****************/
- {
- modnum = 0;
-
- for(Int_t cnt=1; cnt<=18; cnt++){
- symname = sAsector;
- symname += cnt;
- symname += sOuter;
- fgVolPath[kTPC2-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- for(Int_t cnt=1; cnt<=18; cnt++){
- symname = sCsector;
- symname += cnt;
- symname += sOuter;
- fgVolPath[kTPC2-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
-
- /********************* TOF layer ***********************/
- {
- modnum=0;
-
- Int_t nstrA=15;
- Int_t nstrB=19;
- Int_t nstrC=19;
- Int_t nSectors=18;
- Int_t nStrips=nstrA+2*nstrB+2*nstrC;
-
- TString snSM = "TOF/sm";
- TString snSTRIP = "/strip";
-
- for (Int_t isect = 0; isect < nSectors; isect++) {
- for (Int_t istr = 1; istr <= nStrips; istr++) {
- symname = snSM;
- symname += Form("%02d",isect);
- symname += snSTRIP;
- symname += Form("%02d",istr);
- fgVolPath[kTOF-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
- }
-
- /********************* HMPID layer ***********************/
- {
- TString str = "/HMPID/Chamber";
- TString symname;
-
- for (modnum=0; modnum < 7; modnum++) {
- symname = str;
- symname += modnum;
- fgVolPath[kHMPID-kFirstLayer][modnum] = symname.Data();
- }
- }
-
- /********************* TRD layers 1-6 *******************/
- //!! 6 layers with index increasing in outwards direction
- {
- Int_t arTRDlayId[6] = {kTRD1, kTRD2, kTRD3, kTRD4, kTRD5, kTRD6};
-
- TString snStr = "TRD/sm";
- TString snApp1 = "/st";
- TString snApp2 = "/pl";
-
- for(Int_t layer=0; layer<6; layer++){
- modnum=0;
- for (Int_t isect = 0; isect < 18; isect++) {
- for (Int_t icham = 0; icham < 5; icham++) {
- symname = snStr;
- symname += Form("%02d",isect);
- symname += snApp1;
- symname += icham;
- symname += snApp2;
- symname += layer;
- fgVolPath[arTRDlayId[layer]-kFirstLayer][modnum] = symname.Data();
- modnum++;
- }
- }
+ TObjArray* ovlpArray = gGeoManager->GetListOfOverlaps();
+ Int_t nOvlp = ovlpArray->GetEntriesFast();
+ if(nOvlp)
+ {
+ AliInfo(Form("Misalignment of node %s generated the following overlaps/extrusions:",node->GetName()));
+ for(Int_t i=0; i<nOvlp; i++)
+ ((TGeoOverlap*)ovlpArray->UncheckedAt(i))->PrintInfo();
}
}
+
+ return kTRUE;
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff