* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
//-----------------------------------------------------------------
-// Implementation of the alignment object class through the abstract
-// class AliAlignObj. From it two derived concrete representation of
-// alignment object class (AliAlignObjAngles, AliAlignObjMatrix) are
-// derived in separate files.
+// 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 <TClass.h>
#include <TGeoManager.h>
#include <TGeoPhysicalNode.h>
+#include <TMath.h>
+#include "TObjString.h"
#include "AliAlignObj.h"
#include "AliTrackPointArray.h"
ClassImp(AliAlignObj)
Int_t AliAlignObj::fgLayerSize[kLastLayer - kFirstLayer] = {
- 80, 160, // ITS SPD
- 84, 176, // ITS SDD
- 748, 950, // ITS SSD
- 36, 36, // TPC
- 90, 90, 90, 90, 90, 90, // TRD
- 1674, // TOF
+ 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, // RICH ??
+ 7, // HMPID ??
1 // MUON ??
};
"TRD chambers layer 4", "TRD chambers layer 5", "TRD chambers layer 6",
"TOF layer",
"?","?",
- "RICH layer",
+ "HMPID layer",
"?"
};
//_____________________________________________________________________________
AliAlignObj::AliAlignObj():
+ fVolPath(),
fVolUID(0)
{
// default constructor
- InitVolPaths();
+ 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;
}
//_____________________________________________________________________________
void AliAlignObj::GetVolUID(ELayerID &layerId, Int_t &modId) const
{
- // 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).
+ // 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]);
// 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()));
}
-//______________________________________________________________________________
+//_____________________________________________________________________________
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);
// 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());
- ELayerID layerId;
- Int_t modId;
- GetVolUID(layerId,modId);
- printf("Volume=%s LayerID=%d ModuleID=%d\n", GetVolPath(),layerId,modId);
- 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];
+ }
+}
+
+//_____________________________________________________________________________
+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 numbering)
- // build fVolUID, unique numerical identity of that volume inside ALICE
+ // 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).
//
//_____________________________________________________________________________
UShort_t AliAlignObj::LayerToVolUID(Int_t layerId, Int_t modId)
{
- // From detector (layer) index and module number (according to detector numbering)
- // build fVolUID, unique numerical identity of that volume inside ALICE
+ // 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).
//
//_____________________________________________________________________________
AliAlignObj::ELayerID AliAlignObj::VolUIDToLayer(UShort_t voluid, Int_t &modId)
{
- // From detector (layer) 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 layerID (32 possible values),
- // remaining 11 for module ID inside det (2048 possible values).
+ // 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;
//_____________________________________________________________________________
AliAlignObj::ELayerID AliAlignObj::VolUIDToLayer(UShort_t voluid)
{
- // From detector (layer) 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 layerID (32 possible values),
- // remaining 11 for module ID inside det (2048 possible values).
+ // 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)
+{
+ // 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 AliAlignObj::SetLocalPars(Double_t x, Double_t y, Double_t z,
Double_t psi, Double_t theta, Double_t phi)
{
- // Set the translations and angles by using parameters
- // defined in the local (in TGeo means) coordinate system
- // of the alignable volume. In case that the TGeo was
- // initialized, returns false and the object parameters are
- // not set.
+ // 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);
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::SetLocalTranslation(Double_t x, Double_t y, Double_t z)
+{
+ // 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);
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::SetLocalTranslation(const TGeoMatrix& m)
+{
+ // 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);
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::SetLocalRotation(Double_t psi, Double_t theta, Double_t phi)
+{
+ // 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(angles,rot);
+ m.SetRotation(rot);
+
+ return SetLocalMatrix(m);
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::SetLocalRotation(const TGeoMatrix& m)
+{
+ // 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);
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::SetLocalMatrix(const TGeoMatrix& m)
+{
+ // 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.
+ //
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* volpath = GetVolPath();
- TGeoPhysicalNode* node = (TGeoPhysicalNode*) gGeoManager->MakePhysicalNode(volpath);
+ 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 path %s not valid!",volpath));
+ AliError(Form("Volume name or path %s not valid!",symname));
return kFALSE;
}
if (node->IsAligned())
- AliWarning(Form("Volume %s has been already misaligned!",volpath));
+ AliWarning(Form("Volume %s has been already misaligned!",symname));
- TGeoHMatrix m;
- Double_t tr[3];
- tr[0]=x; tr[1]=y; tr[2]=z;
- m.SetTranslation(tr);
- Double_t angles[3] = {psi, theta, phi};
- Double_t rot[9];
- AnglesToMatrix(angles,rot);
- m.SetRotation(rot);
+ 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();
- m.Multiply(&gprimeinv);
- m.MultiplyLeft(&gprime);
+ m1.Multiply(&gprimeinv);
+ m1.MultiplyLeft(&gprime);
+
+ return SetMatrix(m1);
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::SetMatrix(const TGeoMatrix& m)
+{
+ // Set the global delta transformation by passing the TGeoMatrix
+ // for it
+ //
+ SetTranslation(m);
+ return SetRotation(m);
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::GetLocalPars(Double_t transl[], Double_t angles[]) const
+{
+ // 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);
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::GetLocalTranslation(Double_t* tr) const
+{
+ // 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;
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::GetLocalAngles(Double_t* angles) const
+{
+ // 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);
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::GetLocalMatrix(TGeoHMatrix& m) const
+{
+ // 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;
+ }
- SetMatrix(m);
+ 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 AliAlignObj::ApplyToGeometry()
{
- // Apply the current alignment object
- // to the TGeo geometry
-
+ // 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* volpath = GetVolPath();
- TGeoPhysicalNode* node = (TGeoPhysicalNode*) gGeoManager->MakePhysicalNode(volpath);
- if (!node) {
- AliError(Form("Volume path %s not valid!",volpath));
- 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->IsAligned()) {
- AliWarning(Form("Volume %s has been already misaligned!",volpath));
+
+ if (!node) {
+ AliError(Form("Volume path %s not valid!",path));
return kFALSE;
}
TGeoHMatrix *g = node->GetMatrix(node->GetLevel()-1);
*ginv = g->Inverse();
*ginv *= gprime;
- AliAlignObj::ELayerID layerId; // unique identity for volume in the alobj
- Int_t modId; // unique identity for volume in the alobj
+ 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);
- AliInfo(Form("Aligning volume %s of detector layer %d with local ID %d",volpath,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 *path, AliAlignObj &alobj)
+Bool_t AliAlignObj::GetFromGeometry(const char *symname, AliAlignObj &alobj)
{
- // Get the alignment object which correspond
- // to the TGeo volume defined by the 'path'.
- // The method is extremely slow due to the
- // searching by string. Therefore it should
- // be used with great care!!
+ // 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.SetVolPath(path);
+ 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;
}
+ 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++) {
- node = (TGeoPhysicalNode*) nodesArr->UncheckedAt(iNode);
- const char *nodePath = node->GetName();
- if (strcmp(path,nodePath) == 0) break;
+ 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("Volume path %s not found!",path));
+ AliErrorClass(Form("%s not valid neither as symbolic volume name nor as volume path!",path));
return kFALSE;
}
else {
g *= l;
ginv = g.Inverse();
align = gprime * ginv;
- alobj.SetMatrix(align);
+
+ return alobj.SetMatrix(align);
+}
+
+//_____________________________________________________________________________
+Bool_t AliAlignObj::GetOrigGlobalMatrix(const char *symname, TGeoHMatrix &m)
+{
+ // 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 AliAlignObj::InitAlignObjFromGeometry()
{
// Loop over all alignable volumes and extract
if(fgAlignObjs[0]) return;
- InitVolPaths();
+ InitSymNames();
- for (Int_t iLayer = 0; iLayer < (AliAlignObj::kLastLayer - AliAlignObj::kFirstLayer); iLayer++) {
- fgAlignObjs[iLayer] = new AliAlignObj*[AliAlignObj::LayerSize(iLayer)];
+ 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+ AliAlignObj::kFirstLayer,iModule);
- fgAlignObjs[iLayer][iModule] = new AliAlignObjAngles("",volid,0,0,0,0,0,0);
- const char *path = GetVolPath(volid);
- if (!GetFromGeometry(path, *fgAlignObjs[iLayer][iModule]))
- AliErrorClass(Form("Failed to extract the alignment object for the volume (ID=%d and path=%s) !",volid,path));
+ 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));
}
}
}
+//_____________________________________________________________________________
+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::GetVolPath(ELayerID layerId, Int_t 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::InitVolPaths()
+void AliAlignObj::InitSymNames()
{
- // Initialize the LUTs which contain
- // the TGeo volume paths for each
- // alignable volume. The LUTs are
- // static, so they are created during
- // the creation of the first intance
- // of AliAlignObj
-
+ // 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 ***********************/
{
- Int_t modnum = 0;
- TString str0 = "ALIC_1/ITSV_1/ITSD_1/IT12_1/I12B_"; //".../I12A_"
- TString str1 = "/I10B_"; //"/I10A_";
- TString str2 = "/I107_"; //"/I103_"
- // TString str3 = "/I101_1/ITS1_1";
- TString volpath, volpath1, volpath2;
+ modnum = 0;
for(Int_t c1 = 1; c1<=10; c1++){
- volpath = str0;
- volpath += c1;
- volpath += str1;
+ strEntryName1 = strSPD;
+ strEntryName1 += 0;
+ strEntryName1 += strSector;
+ strEntryName1 += (c1-1);
for(Int_t c2 =1; c2<=2; c2++){
- volpath1 = volpath;
- volpath1 += c2;
- volpath1 += str2;
+ strEntryName2 = strEntryName1;
+ strEntryName2 += strStave;
+ strEntryName2 += (c2-1);
for(Int_t c3 =1; c3<=4; c3++){
- volpath2 = volpath1;
- volpath2 += c3;
- // volpath2 += str3;
- fgVolPath[kSPD1-kFirstLayer][modnum] = volpath2.Data();
+ symname = strEntryName2;
+ symname += strLadder;
+ symname += (c3-1);
+ fgVolPath[kSPD1-kFirstLayer][modnum] = symname.Data();
modnum++;
}
}
/********************* SPD layer2 ***********************/
{
- Int_t modnum = 0;
- TString str0 = "ALIC_1/ITSV_1/ITSD_1/IT12_1/I12B_"; //".../I12A_"
- TString str1 = "/I20B_"; //"/I20A"
- TString str2 = "/I1D7_"; //"/I1D3"
- // TString str3 = "/I1D1_1/ITS2_1";
- TString volpath, volpath1, volpath2;
+ modnum = 0;
for(Int_t c1 = 1; c1<=10; c1++){
- volpath = str0;
- volpath += c1;
- volpath += str1;
+ strEntryName1 = strSPD;
+ strEntryName1 += 1;
+ strEntryName1 += strSector;
+ strEntryName1 += (c1-1);
for(Int_t c2 =1; c2<=4; c2++){
- volpath1 = volpath;
- volpath1 += c2;
- volpath1 += str2;
+ strEntryName2 = strEntryName1;
+ strEntryName2 += strStave;
+ strEntryName2 += (c2-1);
for(Int_t c3 =1; c3<=4; c3++){
- volpath2 = volpath1;
- volpath2 += c3;
- // volpath2 += str3;
- fgVolPath[kSPD2-kFirstLayer][modnum] = volpath2.Data();
+ symname = strEntryName2;
+ symname += strLadder;
+ symname += (c3-1);
+ fgVolPath[kSPD2-kFirstLayer][modnum] = symname.Data();
modnum++;
}
}
/********************* SDD layer1 ***********************/
{
- Int_t modnum=0;
- TString str0 = "ALIC_1/ITSV_1/ITSD_1/IT34_1/I004_";
- TString str1 = "/I302_";
- // TString str2 = "/ITS3_1";
- TString volpath, volpath1;
+ modnum=0;
for(Int_t c1 = 1; c1<=14; c1++){
- volpath = str0;
- volpath += c1;
- volpath += str1;
+ strEntryName1 = strSDD;
+ strEntryName1 += 2;
+ strEntryName1 +=strLadder;
+ strEntryName1 += (c1-1);
for(Int_t c2 =1; c2<=6; c2++){
- volpath1 = volpath;
- volpath1 += c2;
- // volpath1 += str2;
- fgVolPath[kSDD1-kFirstLayer][modnum] = volpath1.Data();
+ symname = strEntryName1;
+ symname += strSensor;
+ symname += (c2-1);
+ fgVolPath[kSDD1-kFirstLayer][modnum] = symname.Data();
modnum++;
}
}
/********************* SDD layer2 ***********************/
{
- Int_t modnum=0;
- TString str0 = "ALIC_1/ITSV_1/ITSD_1/IT34_1/I005_";
- TString str1 = "/I402_";
- // TString str2 = "/ITS4_1";
- TString volpath, volpath1;
+ modnum=0;
for(Int_t c1 = 1; c1<=22; c1++){
- volpath = str0;
- volpath += c1;
- volpath += str1;
+ strEntryName1 = strSDD;
+ strEntryName1 += 3;
+ strEntryName1 +=strLadder;
+ strEntryName1 += (c1-1);
for(Int_t c2 = 1; c2<=8; c2++){
- volpath1 = volpath;
- volpath1 += c2;
- // volpath1 += str2;
- fgVolPath[kSDD2-kFirstLayer][modnum] = volpath1.Data();
+ symname = strEntryName1;
+ symname += strSensor;
+ symname += (c2-1);
+ fgVolPath[kSDD2-kFirstLayer][modnum] = symname.Data();
modnum++;
}
}
/********************* SSD layer1 ***********************/
{
- Int_t modnum=0;
- TString str0 = "ALIC_1/ITSV_1/ITSD_1/IT56_1/I565_";
- TString str1 = "/I562_";
- // TString str2 = "/ITS5_1";
- TString volpath, volpath1;
+ modnum=0;
for(Int_t c1 = 1; c1<=34; c1++){
- volpath = str0;
- volpath += c1;
- volpath += str1;
+ strEntryName1 = strSSD;
+ strEntryName1 += 4;
+ strEntryName1 +=strLadder;
+ strEntryName1 += (c1-1);
for(Int_t c2 = 1; c2<=22; c2++){
- volpath1 = volpath;
- volpath1 += c2;
- // volpath1 += str2;
- fgVolPath[kSSD1-kFirstLayer][modnum] = volpath1.Data();
+ symname = strEntryName1;
+ symname += strSensor;
+ symname += (c2-1);
+ fgVolPath[kSSD1-kFirstLayer][modnum] = symname.Data();
modnum++;
}
}
}
- /********************* SSD layer1 ***********************/
+ /********************* SSD layer2 ***********************/
{
- Int_t modnum=0;
- TString str0 = "ALIC_1/ITSV_1/ITSD_1/IT56_1/I569_";
- TString str1 = "/I566_";
- // TString str2 = "/ITS6_1";
- TString volpath, volpath1;
+ modnum=0;
for(Int_t c1 = 1; c1<=38; c1++){
- volpath = str0;
- volpath += c1;
- volpath += str1;
+ strEntryName1 = strSSD;
+ strEntryName1 += 5;
+ strEntryName1 +=strLadder;
+ strEntryName1 += (c1-1);
for(Int_t c2 = 1; c2<=25; c2++){
- volpath1 = volpath;
- volpath1 += c2;
- // volpath1 += str2;
- fgVolPath[kSSD2-kFirstLayer][modnum] = volpath1.Data();
+ 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 ****************/
{
- Int_t modnum = 0;
- TString str1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
- TString str2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
- TString str_in = "/TPC_IROC_1";
- TString volpath;
+ modnum = 0;
for(Int_t cnt=1; cnt<=18; cnt++){
- volpath = str1;
- volpath += cnt;
- volpath += str_in;
- fgVolPath[kTPC1-kFirstLayer][modnum] = volpath.Data();
+ symname = sAsector;
+ symname += cnt;
+ symname += sInner;
+ fgVolPath[kTPC1-kFirstLayer][modnum] = symname.Data();
modnum++;
}
for(Int_t cnt=1; cnt<=18; cnt++){
- volpath = str2;
- volpath += cnt;
- volpath += str_in;
- fgVolPath[kTPC1-kFirstLayer][modnum] = volpath.Data();
+ symname = sCsector;
+ symname += cnt;
+ symname += sInner;
+ fgVolPath[kTPC1-kFirstLayer][modnum] = symname.Data();
modnum++;
}
}
/*************** TPC outer chambers' layer ****************/
{
- Int_t modnum = 0;
- TString str1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
- TString str2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
- TString str_out = "/TPC_OROC_1";
- TString volpath;
+ modnum = 0;
for(Int_t cnt=1; cnt<=18; cnt++){
- volpath = str1;
- volpath += cnt;
- volpath += str_out;
- fgVolPath[kTPC2-kFirstLayer][modnum] = volpath.Data();
+ symname = sAsector;
+ symname += cnt;
+ symname += sOuter;
+ fgVolPath[kTPC2-kFirstLayer][modnum] = symname.Data();
modnum++;
}
for(Int_t cnt=1; cnt<=18; cnt++){
- volpath = str2;
- volpath += cnt;
- volpath += str_out;
- fgVolPath[kTPC2-kFirstLayer][modnum] = volpath.Data();
+ 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=20;
- Int_t nStripSec=nstrA+2*nstrB+2*nstrC;
-
- for (Int_t modnum=0; modnum < 1674; modnum++) {
-
- Int_t sector = modnum/nStripSec;
- Char_t string1[100];
- Char_t string2[100];
-
- Int_t icopy=-1;
-
- if(sector<3){
- icopy=sector+1;
- sprintf(string1,"/ALIC_1/B077_1/B075_%i/BTO3_1",icopy);
- }
- else if(sector<11){
- icopy=sector-2;
- sprintf(string1,"/ALIC_1/B077_1/B071_%i/BTO1_1",icopy);
- }
- else if(sector==11 || sector==12){
- icopy=sector-10;
- sprintf(string1,"/ALIC_1/B077_1/B074_%i/BTO2_1",icopy);
- }
- else {
- icopy=sector-4;
- sprintf(string1,"/ALIC_1/B077_1/B071_%i/BTO1_1",icopy);
- }
-
- Int_t strInSec=modnum%nStripSec;
-
- if( strInSec < nstrC){
- icopy= nstrC - (strInSec+1) + 1;
- sprintf(string2,"FTOC_1/FLTC_0/FSTR_%i",icopy);
- }
- else if(strInSec< nstrC+nstrB){
-
- icopy= nstrB - (strInSec-nstrC+1) + 1;
- sprintf(string2,"FTOB_1/FLTB_0/FSTR_%i",icopy);
-
- }
- else if(strInSec< nstrC+nstrB+nstrA){
-
- icopy= strInSec-(nstrC+nstrB)+1;
- sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
- }
- else if(strInSec< nstrC+2*nstrB+nstrA){
-
- icopy= strInSec-(nstrC+nstrB+nstrA)+1;
- sprintf(string2,"FTOB_2/FLTB_0/FSTR_%i",icopy);
-
+ 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++;
}
- else {
+ }
+ }
- icopy= strInSec-(nstrC+2*nstrB+nstrA)+1;
- sprintf(string2,"FTOC_2/FLTC_0/FSTR_%i",icopy);
+ /********************* HMPID layer ***********************/
+ {
+ TString str = "/HMPID/Chamber";
- }
-
- Char_t path[100];
- sprintf(path,"%s/%s",string1,string2);
- // printf("%d %s\n",modnum,path);
- fgVolPath[kTOF-kFirstLayer][modnum] = path;
+ for (modnum=0; modnum < 7; modnum++) {
+ symname = str;
+ symname += modnum;
+ fgVolPath[kHMPID-kFirstLayer][modnum] = symname.Data();
}
- }
+ }
- /********************* RICH layer ***********************/
+ /********************* TRD layers 1-6 *******************/
+ //!! 6 layers with index increasing in outwards direction
{
- TString str = "ALIC_1/RICH_";
- TString volpath;
+ Int_t arTRDlayId[6] = {kTRD1, kTRD2, kTRD3, kTRD4, kTRD5, kTRD6};
- for (Int_t modnum=0; modnum < 7; modnum++) {
- volpath = str;
- volpath += (modnum+1);
- fgVolPath[kRICH-kFirstLayer][modnum] = volpath.Data();
+ 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++;
+ }
+ }
}
}
}
+