* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
//-----------------------------------------------------------------
-// Implementation of the alignment object class through
-// 1) the abstract class AliAlignObj
-// 2) two derived concrete representation of alignment object class:
-// - AliAlignObjAngles
-// - AliAlignObjMatrix
+// 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.
//-----------------------------------------------------------------
-/*****************************************************************************
- * AliAlignObjAngles: derived alignment class storing alignment information *
- * for a single volume in form of three doubles for the translation *
- * and three doubles for the rotation expressed with the euler angles *
- * in the xyz-convention (http://mathworld.wolfram.com/EulerAngles.html), *
- * also known as roll, pitch, yaw. PLEASE NOTE THE ANGLES SIGNS ARE *
- * INVERSE WITH RESPECT TO THIS REFERENCE!!! In this way the representation*
- * is fully consistent with the TGeo Rotation methods. *
- *****************************************************************************/
-#include "AliAlignObj.h"
-//#include "AliLog.h"
+#include <TClass.h>
+#include <TGeoManager.h>
+#include <TGeoPhysicalNode.h>
+#include <TMath.h>
+#include "TObjString.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():
+ fVolPath(),
fVolUID(0)
{
- // dummy constructor
+ // default constructor
+ InitSymNames();
+}
+
+//_____________________________________________________________________________
+AliAlignObj::AliAlignObj(const char* symname, UShort_t voluid) :
+ TObject(),
+ fVolPath(symname),
+ fVolUID(voluid)
+{
+ // standard constructor
+ //
}
//_____________________________________________________________________________
AliAlignObj::AliAlignObj(const AliAlignObj& theAlignObj) :
- TObject(theAlignObj)
+ TObject(theAlignObj),
+ fVolPath(theAlignObj.GetSymName()),
+ fVolUID(theAlignObj.GetVolUID())
{
//copy constructor
- fVolPath = theAlignObj.GetVolPath();
- fVolUID = theAlignObj.GetVolUID();
}
//_____________________________________________________________________________
{
// assignment operator
if(this==&theAlignObj) return *this;
- fVolPath = theAlignObj.GetVolPath();
+ fVolPath = theAlignObj.GetSymName();
fVolUID = theAlignObj.GetVolUID();
return *this;
}
+//_____________________________________________________________________________
+AliAlignObj &AliAlignObj::operator*=(const AliAlignObj& theAlignObj)
+{
+ // multiplication operator
+ // The operator can be used to 'combine'
+ // two alignment objects
+ TGeoHMatrix m1;
+ GetMatrix(m1);
+ TGeoHMatrix m2;
+ theAlignObj.GetMatrix(m2);
+ m1.MultiplyLeft(&m2);
+ SetMatrix(m1);
+ return *this;
+}
+
//_____________________________________________________________________________
AliAlignObj::~AliAlignObj()
{
// dummy destructor
}
+//_____________________________________________________________________________
+void AliAlignObj::SetVolUID(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);
+}
+
+//_____________________________________________________________________________
+void AliAlignObj::GetVolUID(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),
+ // remaining 11 for module ID inside det (2048 possible values)), sets
+ // the argument layerId to 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.
+ //
+ layerId = VolUIDToLayer(fVolUID,modId);
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::GetPars(Double_t tr[], Double_t angles[]) const
+{
+ GetTranslation(tr);
+ return GetAngles(angles);
+}
+
+//_____________________________________________________________________________
+Int_t AliAlignObj::GetLevel() const
+{
+ // Return the geometry level of the alignable volume to which
+ // the alignment object is associated; this is the number of
+ // slashes in the corresponding volume path
+ //
+ if(!gGeoManager){
+ AliWarning("gGeoManager doesn't exist or it is still opened: unable to return meaningful level value.");
+ return (-1);
+ }
+ const char* symname = GetSymName();
+ const char* path;
+ TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
+ if(pne){
+ path = pne->GetTitle();
+ }else{
+ path = symname;
+ }
+
+ TString path_str = path;
+ if(path_str[0]!='/') path_str.Prepend('/');
+ return path_str.CountChar('/');
+}
+
+//_____________________________________________________________________________
+Int_t AliAlignObj::Compare(const TObject *obj) const
+{
+ // Compare the levels of two
+ // alignment objects
+ // Used in the sorting during
+ // the application of alignment
+ // objects to the geometry
+ //
+ Int_t level = GetLevel();
+ Int_t level2 = ((AliAlignObj *)obj)->GetLevel();
+ if (level == level2)
+ return 0;
+ else
+ return ((level > level2) ? 1 : -1);
+}
+
//_____________________________________________________________________________
void AliAlignObj::AnglesToMatrix(const Double_t *angles, Double_t *rot) const
{
// Calculates the rotation matrix using the
// Euler angles in "x y z" notation
+ //
Double_t degrad = TMath::DegToRad();
Double_t sinpsi = TMath::Sin(degrad*angles[0]);
Double_t cospsi = TMath::Cos(degrad*angles[0]);
{
// Calculates the Euler angles in "x y z" notation
// using the rotation matrix
- if(rot[0]<1e-7 || rot[8]<1e-7) return kFALSE;
+ // Returns false in case the rotation angles can not be
+ // extracted from the matrix
+ //
+ if(TMath::Abs(rot[0])<1e-7 || TMath::Abs(rot[8])<1e-7) {
+ AliError("Failed to extract roll-pitch-yall angles!");
+ return kFALSE;
+ }
Double_t raddeg = TMath::RadToDeg();
angles[0]=raddeg*TMath::ATan2(-rot[5],rot[8]);
angles[1]=raddeg*TMath::ASin(rot[2]);
return kTRUE;
}
+//______________________________________________________________________________
+void AliAlignObj::Transform(AliTrackPoint &p) 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
+ //
+ if (fVolUID != p.GetVolumeID())
+ AliWarning(Form("Alignment object ID is not equal to the space-point ID (%d != %d)",fVolUID,p.GetVolumeID()));
+
+ TGeoHMatrix m;
+ GetMatrix(m);
+ Double_t *rot = m.GetRotationMatrix();
+ Double_t *tr = m.GetTranslation();
+
+ Float_t xyzin[3],xyzout[3];
+ p.GetXYZ(xyzin);
+ for (Int_t i = 0; i < 3; i++)
+ xyzout[i] = tr[i]+
+ xyzin[0]*rot[3*i]+
+ xyzin[1]*rot[3*i+1]+
+ xyzin[2]*rot[3*i+2];
+ p.SetXYZ(xyzout);
+
+}
+
+//_____________________________________________________________________________
+void AliAlignObj::Transform(AliTrackPointArray &array) const
+{
+ // This method is used to transform all the track points
+ // from the input AliTrackPointArray
+ //
+ AliTrackPoint p;
+ for (Int_t i = 0; i < array.GetNPoints(); i++) {
+ array.GetPoint(p,i);
+ Transform(p);
+ array.AddPoint(i,&p);
+ }
+}
+
//_____________________________________________________________________________
void AliAlignObj::Print(Option_t *) const
{
// Print the contents of the
// alignment object in angles and
// matrix representations
+ //
Double_t tr[3];
GetTranslation(tr);
Double_t angles[3];
TGeoHMatrix m;
GetMatrix(m);
const Double_t *rot = m.GetRotationMatrix();
- printf("Volume=%s ID=%u\n", GetVolPath(),GetVolUID());
- printf("%12.6f%12.6f%12.6f Tx = %12.6f Psi = %12.6f\n", rot[0], rot[1], rot[2], tr[0], angles[0]);
- printf("%12.6f%12.6f%12.6f Ty = %12.6f Theta = %12.6f\n", rot[3], rot[4], rot[5], tr[1], angles[1]);
- printf("%12.6f%12.6f%12.6f Tz = %12.6f Phi = %12.6f\n", rot[6], rot[7], rot[8], tr[2], angles[2]);
-}
+ printf("Volume=%s\n",GetSymName());
+ if (GetVolUID() != 0) {
+ ELayerID layerId;
+ Int_t modId;
+ GetVolUID(layerId,modId);
+ printf("VolumeID=%d LayerID=%d ( %s ) ModuleID=%d\n", GetVolUID(),layerId,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]);
+ printf("%12.8f%12.8f%12.8f Tz = %12.8f Phi = %12.8f\n", rot[6], rot[7], rot[8], tr[2], angles[2]);
+}
-//=============================================================================
+//_____________________________________________________________________________
+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];
+ }
+}
-ClassImp(AliAlignObjAngles)
+//_____________________________________________________________________________
+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];
+ }
+}
//_____________________________________________________________________________
-AliAlignObjAngles::AliAlignObjAngles() //: AliAlignObj()
+UShort_t AliAlignObj::LayerToVolUID(ELayerID layerId, Int_t modId)
{
- // default constructor
- fTranslation[0]=fTranslation[1]=fTranslation[2]=0.;
- fRotation[0]=fRotation[1]=fRotation[2]=0.;
+ // 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));
}
//_____________________________________________________________________________
-AliAlignObjAngles::AliAlignObjAngles(const AliAlignObjAngles& theAlignObj) :
- AliAlignObj(theAlignObj)
+UShort_t AliAlignObj::LayerToVolUID(Int_t layerId, Int_t modId)
{
- // copy constructor
- Double_t tr[3];
- theAlignObj.GetTranslation(tr);
- SetTranslation(tr[0],tr[1],tr[2]);
- Double_t rot[3];
- theAlignObj.GetAngles(rot);
- SetRotation(rot[0],rot[1],rot[2]);
+ // 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));
}
//_____________________________________________________________________________
-AliAlignObjAngles &AliAlignObjAngles::operator =(const AliAlignObjAngles& theAlignObj)
+AliAlignObj::ELayerID AliAlignObj::VolUIDToLayer(UShort_t voluid, Int_t &modId)
{
- // assignment operator
- if(this==&theAlignObj) return *this;
- ((AliAlignObj *)this)->operator=(theAlignObj);
+ // 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;
- Double_t tr[3];
- theAlignObj.GetTranslation(tr);
- SetTranslation(tr[0],tr[1],tr[2]);
- Double_t rot[3];
- theAlignObj.GetAngles(rot);
- SetRotation(rot[0],rot[1],rot[2]);
- return *this;
+ return VolUIDToLayer(voluid);
}
//_____________________________________________________________________________
-AliAlignObjAngles::~AliAlignObjAngles()
+AliAlignObj::ELayerID AliAlignObj::VolUIDToLayer(UShort_t voluid)
{
- // default destructor
+ // 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 AliAlignObjAngles::SetTranslation(const TGeoMatrix& m)
+void AliAlignObj::SetPars(Double_t x, Double_t y, Double_t z,
+ Double_t psi, Double_t theta, Double_t phi)
{
- // Sets the translation parameters from an existing TGeoMatrix
- if(m.IsTranslation()){
- const Double_t* tr = m.GetTranslation();
- fTranslation[0]=tr[0]; fTranslation[1]=tr[1]; fTranslation[2]=tr[2];
- }else{
-// AliWarning("Argument matrix is not a translation! Setting zero-translation.");
- fTranslation[0] = fTranslation[1] = fTranslation[2] = 0.;
- }
+ // Set the global delta transformation by passing 3 angles (expressed in
+ // degrees) and 3 shifts (in centimeters)
+ //
+ SetTranslation(x,y,z);
+ SetRotation(psi,theta,phi);
}
//_____________________________________________________________________________
-Bool_t AliAlignObjAngles::SetRotation(const TGeoMatrix& m)
+Bool_t AliAlignObj::SetLocalPars(Double_t x, Double_t y, Double_t z,
+ Double_t psi, Double_t theta, Double_t phi)
{
- // Sets the rotation components from an existing TGeoMatrix
- if(m.IsRotation()){
- const Double_t* rot = m.GetRotationMatrix();
- return MatrixToAngles(rot,fRotation);
- }else{
-// AliWarning("Argument matrix is not a rotation! Setting yaw-pitch-roll to zero.");
- fRotation[0] = fRotation[1] = fRotation[2] = 0.;
- return kTRUE;
- }
+ // Set the global delta transformation by passing the parameters
+ // for the local delta transformation (3 shifts and 3 angles).
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
+ //
+ TGeoHMatrix m;
+ Double_t tr[3] = {x, y, z};
+ m.SetTranslation(tr);
+ Double_t angles[3] = {psi, theta, phi};
+ Double_t rot[9];
+ AnglesToMatrix(angles,rot);
+ m.SetRotation(rot);
+
+ return SetLocalMatrix(m);
+
}
//_____________________________________________________________________________
-void AliAlignObjAngles::SetMatrix(const TGeoMatrix& m)
+Bool_t AliAlignObj::SetLocalTranslation(Double_t x, Double_t y, Double_t z)
{
- // Sets both the rotation and translation components from an
- // existing TGeoMatrix
- SetTranslation(m);
- SetRotation(m);
+ // Set the global delta transformation by passing the three shifts giving
+ // the translation in the local reference system of the alignable
+ // volume (known by TGeo geometry).
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
+ //
+ TGeoHMatrix m;
+ Double_t tr[3] = {x, y, z};
+ m.SetTranslation(tr);
+
+ return SetLocalMatrix(m);
+
}
//_____________________________________________________________________________
-void AliAlignObjAngles::GetPars(Double_t tr[], Double_t angles[]) const
+Bool_t AliAlignObj::SetLocalTranslation(const TGeoMatrix& m)
{
- // Returns the translations and the rotation angles
- GetTranslation(tr);
- GetAngles(angles);
+ // Set the global delta transformation by passing the matrix of
+ // the local delta transformation and taking its translational part
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
+ //
+ const Double_t* tr = m.GetTranslation();
+ TGeoHMatrix mtr;
+ mtr.SetTranslation(tr);
+
+ return SetLocalMatrix(mtr);
+
}
//_____________________________________________________________________________
-void AliAlignObjAngles::GetMatrix(TGeoHMatrix& m) const
+Bool_t AliAlignObj::SetLocalRotation(Double_t psi, Double_t theta, Double_t phi)
{
- // Extracts the information in an existing TGeoHMatrix using the translations
- // and the rotation parameters
- m.SetTranslation(&fTranslation[0]);
+ // Set the global delta transformation by passing the three angles giving
+ // the rotation in the local reference system of the alignable
+ // volume (known by TGeo geometry).
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
+ //
+ TGeoHMatrix m;
+ Double_t angles[3] = {psi, theta, phi};
Double_t rot[9];
- AnglesToMatrix(fRotation,rot);
+ AnglesToMatrix(angles,rot);
m.SetRotation(rot);
-}
-//=============================================================================
+ return SetLocalMatrix(m);
-ClassImp(AliAlignObjMatrix)
+}
//_____________________________________________________________________________
-AliAlignObjMatrix::AliAlignObjMatrix() : AliAlignObj()
+Bool_t AliAlignObj::SetLocalRotation(const TGeoMatrix& m)
{
- // Default constructor
+ // Set the global delta transformation by passing the matrix of
+ // the local delta transformation and taking its rotational part
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
+ //
+ TGeoHMatrix rotm;
+ const Double_t* rot = m.GetRotationMatrix();
+ rotm.SetRotation(rot);
+
+ return SetLocalMatrix(rotm);
+
}
-AliAlignObjMatrix::AliAlignObjMatrix(const AliAlignObjMatrix& theAlignObj) :
- AliAlignObj(theAlignObj)
+//_____________________________________________________________________________
+Bool_t AliAlignObj::SetLocalMatrix(const TGeoMatrix& m)
{
- //copy constructor
+ // Set the global delta transformation by passing the TGeo matrix
+ // for the local delta transformation.
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
//
- Double_t tr[3];
- theAlignObj.GetTranslation(tr);
- SetTranslation(tr[0],tr[1],tr[2]);
- Double_t rot[3];
- theAlignObj.GetAngles(rot);
- SetRotation(rot[0],rot[1],rot[2]);
+ if (!gGeoManager || !gGeoManager->IsClosed()) {
+ AliError("Can't set the alignment object parameters! gGeoManager doesn't exist or it is still opened!");
+ return kFALSE;
+ }
+
+ const char* symname = GetSymName();
+ TGeoPhysicalNode* node;
+ TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
+ if(pne){
+ node = gGeoManager->MakeAlignablePN(pne);
+ }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 (node->IsAligned())
+ AliWarning(Form("Volume %s has been already misaligned!",symname));
+
+ TGeoHMatrix m1;
+ 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);
+
+ return SetMatrix(m1);
}
-AliAlignObjMatrix &AliAlignObjMatrix::operator =(const AliAlignObjMatrix& theAlignObj)
-{
- // assignment operator
+//_____________________________________________________________________________
+Bool_t AliAlignObj::SetMatrix(const TGeoMatrix& m)
+{
+ // Set the global delta transformation by passing the TGeoMatrix
+ // for it
//
- if(this==&theAlignObj) return *this;
- ((AliAlignObj *)this)->operator=(theAlignObj);
- Double_t tr[3];
- theAlignObj.GetTranslation(tr);
- SetTranslation(tr[0],tr[1],tr[2]);
- Double_t rot[3];
- theAlignObj.GetAngles(rot);
- SetRotation(rot[0],rot[1],rot[2]);
- return *this;
+ SetTranslation(m);
+ return SetRotation(m);
}
-AliAlignObjMatrix::~AliAlignObjMatrix()
+//_____________________________________________________________________________
+Bool_t AliAlignObj::GetLocalPars(Double_t transl[], Double_t angles[]) const
{
- // Destructor
+ // Get the translations and angles (in degrees) expressing the
+ // local delta transformation.
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
//
+ if(!GetLocalTranslation(transl)) return kFALSE;
+ return GetLocalAngles(angles);
}
//_____________________________________________________________________________
-void AliAlignObjMatrix::SetTranslation(Double_t x, Double_t y, Double_t z)
+Bool_t AliAlignObj::GetLocalTranslation(Double_t* tr) const
{
- // Sets the translation parameters
- Double_t tr[3];
- tr[0]=x; tr[1]=y; tr[2]=z;
- fMatrix.SetTranslation(tr);
+ // Get the 3 shifts giving the translational part of the local
+ // delta transformation.
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
+ //
+ TGeoHMatrix ml;
+ if(!GetLocalMatrix(ml)) return kFALSE;
+ const Double_t* transl;
+ transl = ml.GetTranslation();
+ tr[0]=transl[0];
+ tr[1]=transl[1];
+ tr[2]=transl[2];
+ return kTRUE;
}
//_____________________________________________________________________________
-void AliAlignObjMatrix::SetTranslation(const TGeoMatrix& m)
+Bool_t AliAlignObj::GetLocalAngles(Double_t* angles) const
{
- // Sets the translation parameters from an existing TGeoMatrix
- const Double_t *tr = m.GetTranslation();
- fMatrix.SetTranslation(tr);
+ // Get the 3 angles giving the rotational part of the local
+ // delta transformation.
+ // In case that the TGeo was not initialized or not closed,
+ // returns false and the object parameters are not set.
+ //
+ TGeoHMatrix ml;
+ if(!GetLocalMatrix(ml)) return kFALSE;
+ const Double_t *rot = ml.GetRotationMatrix();
+ return MatrixToAngles(rot,angles);
}
//_____________________________________________________________________________
-void AliAlignObjMatrix::SetRotation(Double_t psi, Double_t theta, Double_t phi)
+Bool_t AliAlignObj::GetLocalMatrix(TGeoHMatrix& m) const
{
- // Sets the rotation parameters
- Double_t angles[3] = {psi, theta, phi};
- Double_t rot[9];
- AnglesToMatrix(angles,rot);
- fMatrix.SetRotation(rot);
+ // Get the matrix for the local delta transformation.
+ // In case that the TGeo was not initialized or not closed,
+ // 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!");
+ return kFALSE;
+ }
+
+ const char* symname = GetSymName();
+ TGeoPhysicalNode* node;
+ TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
+ if(pne){
+ node = gGeoManager->MakeAlignablePN(pne);
+ }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 (node->IsAligned())
+ AliWarning(Form("Volume %s has been already misaligned!",symname));
+
+ GetMatrix(m);
+ TGeoHMatrix gprime,gprimeinv;
+ gprime = *node->GetMatrix();
+ gprimeinv = gprime.Inverse();
+ m.Multiply(&gprime);
+ m.MultiplyLeft(&gprimeinv);
+
+ return kTRUE;
}
//_____________________________________________________________________________
-Bool_t AliAlignObjMatrix::SetRotation(const TGeoMatrix& m)
+Bool_t AliAlignObj::ApplyToGeometry()
{
- // Sets the rotation parameters from an existing TGeoMatrix
- const Double_t* rot = m.GetRotationMatrix();
- fMatrix.SetRotation(rot);
+ // 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!");
+ return kFALSE;
+ }
+
+ const char* symname = GetSymName();
+ const char* path;
+ TGeoPhysicalNode* node;
+ TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
+ if(pne){
+ path = pne->GetTitle();
+ node = gGeoManager->MakeAlignablePN(pne);
+ }else{
+ 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)) {
+ 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));
+ return kFALSE;
+ }
+ node = (TGeoPhysicalNode*) gGeoManager->MakePhysicalNode(path);
+ }
+
+ if (!node) {
+ AliError(Form("Volume path %s not valid!",path));
+ return kFALSE;
+ }
+
+ TGeoHMatrix align,gprime;
+ gprime = *node->GetMatrix();
+ GetMatrix(align);
+ gprime.MultiplyLeft(&align);
+ TGeoHMatrix *ginv = new TGeoHMatrix;
+ TGeoHMatrix *g = node->GetMatrix(node->GetLevel()-1);
+ *ginv = g->Inverse();
+ *ginv *= gprime;
+ AliAlignObj::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;
}
//_____________________________________________________________________________
-void AliAlignObjMatrix::SetMatrix(const TGeoMatrix& m)
+Bool_t AliAlignObj::GetFromGeometry(const char *symname, AliAlignObj &alobj)
{
- // Set rotation matrix and translation
- // using TGeoMatrix
- SetTranslation(m);
- SetRotation(m);
+ // 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();
+ }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(path,nodePath) == 0) {
+ node = tempNode;
+ break;
+ }
+ }
+
+ if (!node) {
+ if (!gGeoManager->cd(path)) {
+ AliErrorClass(Form("%s not valid neither as symbolic volume name nor as volume path!",path));
+ return kFALSE;
+ }
+ else {
+ AliWarningClass(Form("Volume (%s) has not been misaligned!",path));
+ 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 AliAlignObjMatrix::SetPars(Double_t x, Double_t y, Double_t z,
- Double_t psi, Double_t theta, Double_t phi)
+Bool_t AliAlignObj::GetOrigGlobalMatrix(const char *symname, TGeoHMatrix &m)
{
- // Set rotation matrix and translation
- // using 3 angles and 3 translations
- SetTranslation(x,y,z);
- SetRotation(psi,theta,phi);
+ // The method returns global matrix for the ideal detector geometry
+ // Symname identifies either the corresponding TGeoPNEntry or directly
+ // the volume path. The output global matrix is stored in 'm'.
+ // Returns kFALSE in case, TGeo has not been initialized or the symname
+ // is invalid.
+ //
+
+ if (!gGeoManager || !gGeoManager->IsClosed()) {
+ AliErrorClass("Can't get the original global matrix! gGeoManager doesn't exist or it is still opened!");
+ return kFALSE;
+ }
+
+ if (!gGeoManager->GetListOfPhysicalNodes()) {
+ AliWarningClass("gGeoManager doesn't contain any aligned nodes!");
+ if (!gGeoManager->cd(symname)) {
+ AliErrorClass(Form("Volume path %s not valid!",symname));
+ return kFALSE;
+ }
+ else {
+ m = *gGeoManager->GetCurrentMatrix();
+ return kTRUE;
+ }
+ }
+
+ const char* path = NULL;
+ TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(symname);
+ if(pne){
+ path = pne->GetTitle();
+ }else{
+ AliWarningClass(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)) {
+ AliErrorClass(Form("Volume path %s not valid!",path));
+ return kFALSE;
+ }
+
+ m.Clear();
+
+ TIter next(gGeoManager->GetListOfPhysicalNodes());
+ gGeoManager->cd(path);
+
+ while(gGeoManager->GetLevel()){
+
+ TGeoPhysicalNode *physNode = NULL;
+ next.Reset();
+ TGeoNode *node = gGeoManager->GetCurrentNode();
+ while ((physNode=(TGeoPhysicalNode*)next()))
+ if (physNode->GetNode() == node) break;
+
+ TGeoMatrix *lm = NULL;
+ if (physNode) {
+ lm = physNode->GetOriginalMatrix();
+ if (!lm) lm = node->GetMatrix();
+ } else
+ lm = node->GetMatrix();
+
+ m.MultiplyLeft(lm);
+
+ gGeoManager->CdUp();
+ }
+
+ return kTRUE;
}
//_____________________________________________________________________________
-void AliAlignObjMatrix::GetTranslation(Double_t *tr) const
+void AliAlignObj::InitAlignObjFromGeometry()
{
- // Get Translation from TGeoMatrix
- const Double_t* translation = fMatrix.GetTranslation();
- tr[0] = translation[0];
- tr[1] = translation[1];
- tr[2] = translation[2];
+ // 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));
+ }
+ }
+
}
//_____________________________________________________________________________
-Bool_t AliAlignObjMatrix::GetAngles(Double_t *angles) const
+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)
{
- // Get rotation angles from the TGeoHMatrix
- const Double_t* rot = fMatrix.GetRotationMatrix();
- return MatrixToAngles(rot,angles);
+ // 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);
}
//_____________________________________________________________________________
-void AliAlignObjMatrix::GetPars(Double_t tr[], Double_t angles[]) const
+const char* AliAlignObj::SymName(ELayerID layerId, Int_t modId)
{
- // Gets the translations and the rotation angles
- GetTranslation(tr);
- GetAngles(angles);
+ // 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 AliAlignObjMatrix::GetMatrix(TGeoHMatrix& m) const
+void AliAlignObj::InitSymNames()
{
- // Extracts the translations and the rotation parameters
- // in an existing TGeoHMatrix
- const Double_t *tr = fMatrix.GetTranslation();
- m.SetTranslation(tr);
- const Double_t *rot = fMatrix.GetRotationMatrix();
- m.SetRotation(rot);
+ // 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 ***********************/
+ {
+ 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";
+
+ 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++;
+ }
+ }
+ }
+ }
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff