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Re: Out of memory problem in EmcPoint - FairLink ? [message #10905 is a reply to message #10897] Fri, 06 August 2010 09:57 Go to previous messageGo to previous message
Ralf Kliemt is currently offline  Ralf Kliemt
Messages: 507
Registered: May 2007
Location: GSI, Darmstadt
first-grade participant

From: *pool.mediaWays.net
Mohammad wrote

Quote:


FairModule::ExpandNode(TGeoNode*) (FairModule.cxx:293)
-> M->SetDefaultName();


Here I am not sure! the method (M->SetDefaultName()) is doing much more than setting a name, it check the type of transformation, prepend a letter corresponding to the type and finally append the index of the transformation to the current GeoManager. and in any case we are speaking about 100 kB per session. So I do not believe that this is a big problem, I agree it has to be solved but we still have much worse problems.



Hi,

I think we just could copy this function and change the way of setting the name. This would look like that:
void FairModule::SetDefaultMatrixName(TGeoMatrix* matrix)
{
  // Copied from root TGeoMatrix::SetDefaultName() and modified (memory leak)
  // If no name was supplied in the ctor, the type of transformation is checked.
  // A letter will be prepended to the name :
  //   t - translation
  //   r - rotation
  //   s - scale
  //   c - combi (translation + rotation)
  //   g - general (tr+rot+scale)
  // The index of the transformation in gGeoManager list of transformations will
  // be appended.
  if (!gGeoManager) return;
  if (strlen(matrix->GetName())) return;
  char type = 'n';
  if (matrix->IsTranslation()) type = 't'; 
  if (matrix->IsRotation()) type = 'r';
  if (matrix->IsScale()) type = 's';
  if (matrix->IsCombi()) type = 'c';
  if (matrix->IsGeneral()) type = 'g';
  TObjArray *matrices = gGeoManager->GetListOfMatrices();
  Int_t index = 0;
  if (matrices) index =matrices->GetEntriesFast() - 1;
  matrix->SetName(Form("%c%i", type, index));
}


Kind regards, Ralf.
 
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