[vtkusers] Error using vtkXMLMultiBlockDataWriter

Dominik Szczerba dominik at itis.ethz.ch
Sat Jun 5 08:26:43 EDT 2010 

Output attached. Works properly when I convert my input surfaces to
unstructured.

FileName: foot3.vtm
FilePath: ./
FilePrefix: foot3
PieceFileName: ./
ERROR: In /home/domel/pack/vtk-5.6.0/IO/vtkXMLWriter.cxx, line 607
vtkXMLPolyDataWriter (0x945fa38): Error opening output file ""

ERROR: In /home/domel/pack/vtk-5.6.0/IO/vtkXMLWriter.cxx, line 610
vtkXMLPolyDataWriter (0x945fa38): Error code "No such file or directory"

ERROR: In /home/domel/pack/vtk-5.6.0/Filtering/vtkExecutive.cxx, line 757
vtkStreamingDemandDrivenPipeline (0x945f958): Algorithm
vtkXMLPolyDataWriter(0x945fa38) returned failure for request: vtkInformation
(0x96352d0)
  Debug: Off
  Modified Time: 166820
  Reference Count: 1
  Registered Events: (none)
  Request: REQUEST_DATA
  ALGORITHM_AFTER_FORWARD: 1
  FROM_OUTPUT_PORT: -1
  FORWARD_DIRECTION: 0

[more errors follow]

On Fri, Jun 4, 2010 at 7:46 PM, Utkarsh Ayachit <utkarsh.ayachit at kitware.com
> wrote:

> You can apply the attached patch and then post the generated output?
>
> Thanks
> Utkarsh
>
> On Thu, Jun 3, 2010 at 3:36 PM, Dominik Szczerba <dominik at itis.ethz.ch>
> wrote:
> > Same issue here, vtk 5.6, linux.
> > Dominik
> >
> > On Thu, Jun 3, 2010 at 3:32 PM, Adriano Gagliardi <agagliardi at ara.co.uk>
> > wrote:
> >>
> >> Unfortunately, it's in serial. I tried it out with a simple piece of
> code
> >> (mostly taken from the VTK Examples page) and the same thing happened.
> The
> >> version of VTK was the one supplied in the ParaView-3.8.0-RC2, but I'll
> >> try
> >> with the official release to see if there is any difference. If anyone
> >> else
> >> has this working, I'd be interested in seeing an example.
> >>
> >>
> =========================================================================
> >> mbwritertest.cxx:
> >>
> =========================================================================
> >> #include <sstream>
> >>
> >> #include <vtkSphereSource.h>
> >> #include <vtkPolyData.h>
> >> #include <vtkMultiBlockDataSet.h>
> >> #include <vtkXMLPolyDataWriter.h>
> >> #include <vtkXMLMultiBlockDataWriter.h>
> >> #include <vtkSmartPointer.h>
> >>
> >> int main(int, char *[])
> >> {
> >>  vtkSmartPointer<vtkMultiBlockDataSet> MBPolyData =
> >>    vtkSmartPointer<vtkMultiBlockDataSet>::New();
> >>  MBPolyData->SetNumberOfBlocks(4);
> >>
> >>  for ( vtkIdType currBlk = 0; currBlk !=
> MBPolyData->GetNumberOfBlocks();
> >> ++currBlk ) {
> >>
> >>    //Create a sphere.
> >>    vtkSmartPointer<vtkSphereSource> sphereSource =
> >>      vtkSmartPointer<vtkSphereSource>::New();
> >>    sphereSource->SetCenter(currBlk, 0.0, 0.0);
> >>    sphereSource->SetRadius(5.0);
> >>    sphereSource->Update();
> >>
> >>    vtkSmartPointer<vtkPolyData> poly = sphereSource->GetOutput();
> >>
> >>    MBPolyData->SetBlock(currBlk, poly);
> >>
> >>    //Write the PolyData to file
> >>    std::ostringstream ss;
> >>    ss << "sphere" << currBlk+1 << ".vtp";
> >>    vtkSmartPointer<vtkXMLPolyDataWriter> writer =
> >>      vtkSmartPointer<vtkXMLPolyDataWriter>::New();
> >>    writer->SetInput(poly);
> >>    writer->SetFileName(ss.str().c_str());
> >>    writer->Write();
> >>  }
> >>
> >>  //Write the MultiBlockData with PolyData to file
> >>  vtkSmartPointer<vtkXMLMultiBlockDataWriter> writer2 =
> >>    vtkSmartPointer<vtkXMLMultiBlockDataWriter>::New();
> >>  writer2->SetInput(MBPolyData);
> >>  writer2->SetFileName("all-spheres-PD.vtm");
> >>  writer2->Write();
> >>
> >>  return EXIT_SUCCESS;
> >> }
> >>
> >>
> =========================================================================
> >> CMakeLists.txt:
> >>
> =========================================================================
> >> cmake_minimum_required(VERSION 2.6)
> >>
> >> PROJECT (MBWriterTest)
> >>
> >> INCLUDE (${CMAKE_ROOT}/Modules/FindVTK.cmake)
> >> IF (USE_VTK_FILE)
> >>  INCLUDE(${USE_VTK_FILE})
> >> ENDIF (USE_VTK_FILE)
> >>
> >> LINK_LIBRARIES(
> >>  vtkHybrid
> >> )
> >>
> >> ADD_EXECUTABLE(mbwritertest mbwritertest.cxx)
> >>
> >>
> >> ===================================
> >>
> >> 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: Berk Geveci [mailto:berk.geveci at kitware.com]
> >> Sent: 03 June 2010 13:20
> >> To: agagliardi at ara.co.uk
> >> Cc: vtkusers at vtk.org
> >> Subject: Re: [vtkusers] Error using vtkXMLMultiBlockDataWriter
> >>
> >> 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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> >> > 503668 Registered Office:
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> >> 503668 Registered Office:
> >> > Manton Lane, Bedford MK41 7PF England VAT No GB 196351245
> >> >
> >> > **********************************************************************
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> >> 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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> >
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> >
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