[Paraview] memory leak in writer

[Utkarsh Ayachit]

Out of curiosity, why are you writing your own wrapper? ParaView 3.6
onwards supports writing time series for legacy vtk files.

Utkarsh

On Fri, Jul 17, 2009 at 7:53 AM, Natalie
Happenhofer<nataliehapp at hotmail.com> wrote:
> Hi!
> I´ve written a Wrapper for the Legacy VTK files writer, so that it writes a
> whole timeseries if I want it to. Lamentably, applying it, it needs more and
> more memory, so I am looking for a memory leak.
>
> Here is the bit of code I suspect:
>
>  vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
>   vtkDataObject* input = inInfo->Get(vtkDataObject::DATA_OBJECT());
>
>   vtkSmartPointer<vtkDataObject> inputCopy;
>   inputCopy.TakeReference(input->NewInstance());
>   inputCopy->ShallowCopy(input);
>
>   vtksys_ios::ostringstream fname;
>   if (this->WriteAllTimeSteps)
>     {
>     vtkstd::string path =
>       vtksys::SystemTools::GetFilenamePath(this->FileName);
>     vtkstd::string fnamenoext =
>       vtksys::SystemTools::GetFilenameWithoutLastExtension(this->FileName);
>     vtkstd::string ext =
>       vtksys::SystemTools::GetFilenameLastExtension(this->FileName);
>     if((this -> CurrentTimeIndex) < 10)  fname << path << "/" << fnamenoext
> << ".000" <<this->CurrentTimeIndex << ext;
>     else if((this -> CurrentTimeIndex) < 100) fname << path << "/" <<
> fnamenoext << ".00" << this -> CurrentTimeIndex << ext;
>     else if((this -> CurrentTimeIndex) < 1000) fname << path << "/" <<
> fnamenoext << ".0" << this -> CurrentTimeIndex << ext;
>     else fname << path << "/" << fnamenoext << this -> CurrentTimeIndex <<
> ext;
>     }
>   else
>     {
>     fname << this->FileName;
>     }
>
> //Here I call the usual VTK Writer and set the input
>
>   vtkGenericDataObjectWriter* Writer = vtkGenericDataObjectWriter::New();
>   Writer -> SetInput(inputCopy);
>   Writer -> SetFileName(fname.str().c_str());
>   if((this -> FileType) == 1) Writer -> SetFileTypeToASCII();
>   else   Writer -> SetFileTypeToBinary();
>
>   Writer -> Update();
>
>   if (this->WriteAllTimeSteps)
>     {
>     this->CurrentTimeIndex++;
>     if (this->CurrentTimeIndex == this->NumberOfTimeSteps)
>       {
>       // Tell the pipeline to stop looping.
>
> request->Remove(vtkStreamingDemandDrivenPipeline::CONTINUE_EXECUTING());
>       this->CurrentTimeIndex = 0;
>       }
>     }
>
>   Writer -> Delete();
>   return 1;
>
> Is there anything I forget to delete?
>
>
> thx for answers
> Natalie
>
>
>
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