setting the output size to 0 if no output block descriptors are added

[u/mrichter/AliRoot.git] / TPC / AliTPCAltroMapping.cxx

diff --git a/TPC/AliTPCAltroMapping.cxx b/TPC/AliTPCAltroMapping.cxx
index d55b21acebc9ef727e9f2f486f36544e131651ae..546b3c3c5b016c0e8c4083e22f0ed3491908ab53 100644 (file)
--- a/TPC/AliTPCAltroMapping.cxx
+++ b/TPC/AliTPCAltroMapping.cxx
@@ -25,13 +25,23 @@
 
 ClassImp(AliTPCAltroMapping)
 
+//_____________________________________________________________________________
+AliTPCAltroMapping::AliTPCAltroMapping():
+  AliAltroMapping(),
+  fMinPadRow(0),
+  fMaxPadRow(0),
+  fMaxPad(0),
+  fInvMapping(NULL)
+{
+  // Default constructor
+}
+
 //_____________________________________________________________________________
 AliTPCAltroMapping::AliTPCAltroMapping(const char *mappingFile):
   AliAltroMapping(mappingFile),
   fMinPadRow(0),
   fMaxPadRow(0),
   fMaxPad(0),
-  fMapping(NULL),
   fInvMapping(NULL)
 {
   // Constructor
@@ -43,30 +53,7 @@ AliTPCAltroMapping::AliTPCAltroMapping(const char *mappingFile):
 AliTPCAltroMapping::~AliTPCAltroMapping()
 {
   // destructor
-  DeleteMappingArrays();
-}
-
-//_____________________________________________________________________________
-AliTPCAltroMapping::AliTPCAltroMapping(const AliTPCAltroMapping& mapping):
-  AliAltroMapping(mapping),
-  fMinPadRow(mapping.fMinPadRow),
-  fMaxPadRow(mapping.fMaxPadRow),
-  fMaxPad(mapping.fMaxPad),
-  fMapping(mapping.fMapping),
-  fInvMapping(mapping.fInvMapping)
-{
-// Copy Constructor
-
-  Fatal("AliTPCAltroMapping", "copy constructor not implemented");
-}
-
-//_____________________________________________________________________________
-AliTPCAltroMapping& AliTPCAltroMapping::operator = (const AliTPCAltroMapping& /*mapping*/)
-{
-//Assigment operator
-
-  Fatal("operator =", "assignment operator not implemented");
-  return *this;
+  if (fInvMapping) delete [] fInvMapping;
 }
 
 //_____________________________________________________________________________
@@ -83,10 +70,10 @@ Bool_t AliTPCAltroMapping::ReadMapping()
   fMinPadRow = 0x7fffffff;
   fMaxPadRow = 0;
   fMaxPad = 0;
-  fMapping = new Short_t*[fMaxHWAddress+1];
+  fMappingSize = 2*(fMaxHWAddress+1);
+  fMapping = new Short_t[fMappingSize];
   for (Int_t i = 0; i <= fMaxHWAddress; i++) {
-    fMapping[i] = new Short_t[2];
-    fMapping[i][0] = fMapping[i][1] = -1;
+    fMapping[2*i] = fMapping[2*i+1] = -1;
   }
  
   for(Int_t i = 0; i < fNumberOfChannels ; i++) { //5504 is size of irorc mapping at ther moment only for irorc
@@ -105,39 +92,57 @@ Bool_t AliTPCAltroMapping::ReadMapping()
       return kFALSE;
     }
  
-    fMapping[hwAddress][0] = padrow;
-    fMapping[hwAddress][1] = pad;
+    fMapping[2*hwAddress] = padrow;
+    fMapping[2*hwAddress+1] = pad;
 
     if (padrow > fMaxPadRow) fMaxPadRow = padrow;
     if (padrow < fMinPadRow) fMinPadRow = padrow;
     if (pad > fMaxPad) fMaxPad = pad;
   }
 
-  fInvMapping = new Short_t*[fMaxPadRow - fMinPadRow + 1];
+  return kTRUE;
+}
+
+//_____________________________________________________________________________
+Bool_t AliTPCAltroMapping::CreateInvMapping()
+{
+  // Create the inverse mapping
+  // needed for the simulation of
+  // raw data
+  if (fInvMapping) return kTRUE;
+
+  if (!fMapping) {
+    AliWarning("Mapping array was not initalized correctly ! Impossible to create the inverse mapping !");
+    return kFALSE;
+  }
+
+  Int_t nRows = fMaxPadRow - fMinPadRow + 1;
+  Int_t nPads = fMaxPad + 1;
+  Int_t invMappingSize = nRows*nPads;
+
+  fInvMapping = new Short_t[invMappingSize];
   for (Int_t i = 0; i <= (fMaxPadRow - fMinPadRow); i++) {
-    fInvMapping[i] = new Short_t[fMaxPad + 1];
-    for (Int_t j = 0; j <= fMaxPad; j++) fInvMapping[i][j] = -1;
+    for (Int_t j = 0; j <= fMaxPad; j++) fInvMapping[nPads*i+j] = -1;
   }
 
   for(Int_t i = 0; i <= fMaxHWAddress; i++) {
-    Int_t padrow = fMapping[i][0];
-    Int_t pad = fMapping[i][1];
+    Int_t padrow = fMapping[2*i];
+    Int_t pad = fMapping[2*i+1];
     if(padrow != -1 && pad != -1)
-      fInvMapping[padrow-fMinPadRow][pad] = i;
+      fInvMapping[nPads*(padrow-fMinPadRow)+pad] = i;
   }
 
   return kTRUE;
 }
 
 //_____________________________________________________________________________
-Int_t AliTPCAltroMapping::GetHWAddress(Int_t padrow, Int_t pad, Int_t /* sector */) const
+Int_t AliTPCAltroMapping::GetHWAddress(Int_t padrow, Int_t pad, Int_t /* sector */)
 {
   // Get the content of the mapping array
   // return -1 in case there is no hardware
   // adress defined for these pad-row and pad
   if (!fInvMapping) {
-    AliWarning("Mapping array was not initalized correctly !");
-    return -1;
+    if (!CreateInvMapping()) return -1;
   }
   if (padrow < fMinPadRow || padrow > fMaxPadRow) {
     AliWarning(Form("Index of pad-row (%d) outside the range (%d -> %d) !",padrow,fMinPadRow,fMaxPadRow));
@@ -147,7 +152,7 @@ Int_t AliTPCAltroMapping::GetHWAddress(Int_t padrow, Int_t pad, Int_t /* sector
     AliWarning(Form("Index of pad (%d) outside the range (0 -> %d) !",pad,fMaxPad));
     return -1;
   }
-  Int_t hwAddress = fInvMapping[padrow-fMinPadRow][pad];
+  Int_t hwAddress = fInvMapping[(fMaxPad+1)*(padrow-fMinPadRow)+pad];
   if (hwAddress == -1)
     AliWarning(Form("Hardware (ALTRO) adress is not defined for these pad-row (%d) and pad (%d) !",padrow,pad));
 
@@ -165,7 +170,7 @@ Int_t AliTPCAltroMapping::GetPadRow(Int_t hwAddress) const
     AliWarning(Form("Hardware (ALTRO) adress (%d) outside the range (0 -> %d) !",hwAddress,fMaxHWAddress));
     return -1;
   }
-  Int_t padrow = fMapping[hwAddress][0];
+  Int_t padrow = fMapping[2*hwAddress];
   if (padrow == -1)
     AliWarning(Form("Hardware (ALTRO) adress (%d) is not defined !",hwAddress));
 
@@ -183,7 +188,7 @@ Int_t AliTPCAltroMapping::GetPad(Int_t hwAddress) const
     AliWarning(Form("Hardware (ALTRO) adress (%d) outside the range (0 -> %d) !",hwAddress,fMaxHWAddress));
     return -1;
   }
-  Int_t pad = fMapping[hwAddress][1];
+  Int_t pad = fMapping[2*hwAddress+1];
   if (pad == -1)
     AliWarning(Form("Hardware (ALTRO) adress (%d) is not defined !",hwAddress));
 
@@ -196,21 +201,3 @@ Int_t AliTPCAltroMapping::GetSector(Int_t /* hwAddress */) const
   AliWarning("Sector index is not contained in the TPC altro mapping !");
   return -1;
 }
-
-//_____________________________________________________________________________
-void AliTPCAltroMapping::DeleteMappingArrays()
-{
-  // Deletes the arrays which have been
-  // allocated during the reading of the
-  // mapping file
-  if (fMapping) {
-    for (Int_t i = 0; i <= fMaxHWAddress; i++) delete [] fMapping[i];
-    delete [] fMapping;
-  }
-
-  if (fInvMapping) {
-    for (Int_t i = 0; i <= (fMaxPadRow - fMinPadRow); i++)
-      delete [] fInvMapping[i];
-    delete [] fInvMapping;
-  }
-}