[vtkusers] Error using vtkXMLMultiBlockDataWriter

[Berk Geveci]

Is this in parallel by any chance?

On Wed, Jun 2, 2010 at 10:52 AM, Adriano Gagliardi <agagliardi at ara.co.uk> wrote:
>
> Just to say that this was using VTK 5.6.0.
>
> ===================================
>
> Adriano Gagliardi MEng PhD
> Business Sector Leader
> Computational Aerodynamics
> Aircraft Research Association Ltd.
> Manton Lane
> Bedford
>
> Tel: 01234 32 4644
> E-mail: agagliardi at ara.co.uk
> Url: www.ara.co.uk
> -----Original Message-----
> From: vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org] On Behalf
> Of Adriano Gagliardi
> Sent: 01 June 2010 17:50
> To: vtkusers at vtk.org
> Subject: [vtkusers] Error using vtkXMLMultiBlockDataWriter
>
>
> Dear Users,
>
> I have been having an issue with the vtkXMLMultiBlockDataWriter class that
> contain instances of vtkPolyData. The code follows. Note that this same
> piece of code works fine if the data within the blocks is of type
> vtkUnstructuredGrid:
>
> ####
> //mbdata is a pointer to a vtkMultiBlockDataSet containing either
> vtkPolyData or vtkUnstructuredGrid data sets
> vtkXMLMultiBlockDataWriter* writer = vtkXMLMultiBlockDataWriter::New();
> std::ostringstream ss;
> ss << "debugFiles/data_out.vtm";
> writer->SetFileName(ss.str().c_str());
> writer->SetInput(mbdata);
> writer->Write();
> writer->Delete();
> ss.str(std::string());
> ####
>
> When using this, I get the following error message:
>
> ####
> ERROR: In
> /usr/people/gagliard/Paraview/FILES/VTK5.6/VTK/IO/vtkXMLWriter.cxx, line 607
> vtkXMLPolyDataWriter (0x13473b00): Error opening output file "debugFiles"
>
> ERROR: In
> /usr/people/gagliard/Paraview/FILES/VTK5.6/VTK/IO/vtkXMLWriter.cxx, line 610
> vtkXMLPolyDataWriter (0x13473b00): Error code "Is a directory"
>
> ERROR: In
> /usr/people/gagliard/Paraview/FILES/VTK5.6/VTK/Filtering/vtkExecutive.cxx,
> line 757
> vtkStreamingDemandDrivenPipeline (0x134743c0): Algorithm
> vtkXMLPolyDataWriter(0x13473b00) returned failure for request:
> vtkInformation (0x1347ac00)
>  Debug: Off
>  Modified Time: 45234
>  Reference Count: 1
>  Registered Events: (none)
>  Request: REQUEST_DATA
>  ALGORITHM_AFTER_FORWARD: 1
>  FORWARD_DIRECTION: 0
>  FROM_OUTPUT_PORT: -1
> ####
>
> I am, however, able to write out each block separately using
> vtkXMLPolyDataWriter:
>
> ####
> for ( vtkIdType currBlk = 0; currBlk != mbdata->GetNumberOfBlocks();
> ++currBlk ) {
>  vtkXMLPolyDataWriter* writer = vtkXMLPolyDataWriter::New();
>  std::ostringstream ss;
>  ss << "debugFiles/data_out" << currBlk << ".vtp";
>  writer->SetFileName(ss.str().c_str());
>  writer->SetInput(mbdata->GetBlock(currBlk));
>  writer->Write();
>  writer->Delete();
>  ss.str(std::string());
> }
> ####
>
> I am wondering if I'm missing something fundamental that may cause that
> error. Hopefully someone else can point out the error as I'm not seeing it.
>
> Cheers,
>
> Adriano
>
> ===================================
>
> Adriano Gagliardi MEng PhD
> Business Sector Leader
> Computational Aerodynamics
> Aircraft Research Association Ltd.
> Manton Lane
> Bedford
>
> Tel: 01234 32 4644
> E-mail: agagliardi at ara.co.uk
> Url: www.ara.co.uk
>
>
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> This email contains information that is private and confidential and is intended only for the addressee.
> If you are not the intended recipient please delete it and notify us immediately by e-mailing the sender.
> Note: All email sent to or from this address may be accessed by someone other than the recipient, for
> system management and security reasons.
> Aircraft Research Association Ltd.  Registered in England, Registration No 503668 Registered Office:
> Manton Lane, Bedford MK41 7PF England VAT No GB 196351245
>
> **********************************************************************
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>
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