Thanks Bogdan,
that's not helping me but someone else might have some idea.
Seb
On Thu, Oct 23, 2014 at 12:19 PM, Bogdan Daqui Herrera <bda...@simscale.de
<mailto:bda...@simscale.de>> wrote:
Certainly. I should mention, I am using a pre-compiled version of Paraview
4.1 bundled with Salome (Ubuntu package).
Here it is (using pReader->SetForceOutputTypeToMultiBlock(1)):
ERROR: In
/misc/dn47/SALOME/PRODUCTS/7x/opt/Ubuntu.13.10.64/7.4.0/tmp/ParaView-4.1.0_SRC/ParaViewCore/VTKExtensions/Default/vtkXMLCollectionReader.cxx,
line 316
vtkPVDReader (0x6559e0): Error creating "vtkXMLMultiBlockDataReader" using
vtkPVInstantiator.
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff65c4270 in vtkXMLCollectionReader::ReadXMLDataImpl() ()
from
/opt/salomeUbuntu_740/ParaView-4.1.0/lib/paraview-4.1/libvtkPVVTKExtensionsDefault-pv4.1.so.1
#0 0x00007ffff65c4270 in vtkXMLCollectionReader::ReadXMLDataImpl() ()
from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkPVVTKExtensionsDefault-pv4.1.so.1
#1 0x00007ffff68cc128 in vtkXMLReader::RequestData(vtkInformation*,
vtkInformationVector**, vtkInformationVector*) () from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkIOXML-pv4.1.so.1
#2 0x00007ffff68cd35d in vtkXMLReader::ProcessRequest(vtkInformation*,
vtkInformationVector**, vtkInformationVector*) () from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkIOXML-pv4.1.so.1
#3 0x00007ffff7b97fd0 in vtkExecutive::CallAlgorithm(vtkInformation*,
int, vtkInformationVector**, vtkInformationVector*) ()
from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#4 0x00007ffff7b93447 in
vtkDemandDrivenPipeline::ExecuteData(vtkInformation*, vtkInformationVector**,
vtkInformationVector*) ()
from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#5 0x00007ffff7b91181 in
vtkCompositeDataPipeline::ExecuteData(vtkInformation*, vtkInformationVector**,
vtkInformationVector*) ()
from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#6 0x00007ffff7b95bb1 in
vtkDemandDrivenPipeline::ProcessRequest(vtkInformation*,
vtkInformationVector**, vtkInformationVector*) ()
from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#7 0x00007ffff7ba8c21 in
vtkStreamingDemandDrivenPipeline::ProcessRequest(vtkInformation*,
vtkInformationVector**, vtkInformationVector*) ()
from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#8 0x00007ffff7b9486d in vtkDemandDrivenPipeline::UpdateData(int) ()
from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#9 0x00007ffff7ba9765 in vtkStreamingDemandDrivenPipeline::Update(int) ()
from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#10 0x0000000000414fbf in testing::TestingIO::read (this=0x652b30,
fileName=..., pMultiBlockDataSet=...)
at /home/.../someProject/src/testing.cpp:85
Please let me know if you need something additional
On 10/23/2014 07:51 PM, Sebastien Jourdain wrote:
> If you provide the stack trace, that may be helpful.
>
> Seb
>
> On Thu, Oct 23, 2014 at 10:36 AM, Bogdan Daqui Herrera <bda...@simscale.de
<mailto:bda...@simscale.de> <mailto:bda...@simscale.de
<mailto:bda...@simscale.de>>> wrote:
>
> Hi Seb,
>
> Thanks for the quick reply. Yes the project is managed with CMake. I
have not however been able to find the relevant posts by Marcus (in the users
list). Is
> that in the users or developers mailing list?
>
> It does sound like it could be a problem with some initialization,
as you can see below.
>
> One short update, it looks like setting ForceMultiBlockDataSet
Output with:
> pReader->SetForceOutputTypeToMultiBlock(1);
> leads to the segmentation fault at Update() (The deepcopy is never
reached). With or without setting the previous line, the error
> vtkPVDReader (0x1cb49e0): Error creating
"vtkXMLMultiBlockDataReader" using vtkPVInstantiator.
>
> The code looks like this now:
> vtkSmartPointer < vtkPVDReader > pReader = vtkSmartPointer <
vtkPVDReader >::New();
> pReader->SetFileName("/some/file.pvd");
> pReader->Update(); (where the error is triggered)
>
> Kind Regards,
> Bogdan
>
> On 10/23/2014 04:47 PM, Sebastien Jourdain wrote:
> > Hi Bogdan,
> >
> > here are some issue in your code:
> >
> > vtkSmartPointer <vtkPVDReader> pReader = vtkPVDReader::New(); //
<== Memory LEAK
> > // Should be either
> > // vtkNew<vtkPVDReader> pReader;
> > // vtkSmartPointer<vtkPVDReader> pReader =
vtkSmartPointer<vtkPVDReader>::New()
> >
> > Then here on a "NULL" object you try to call a method.
> >
> > vtkMultiBlockDataSet*
pMultiBlockDataSet->DeepCopy(vtkMultiBlockDataSet::SafeDownCast(pReader->GetOutputDataObject(0)));
> >
> > Should be something like that:
> >
> > vtkNew< vtkMultiBlockDataSet > pMultiBlockDataSet;
> >
pMultiBlockDataSet->DeepCopy(vtkMultiBlockDataSet::SafeDownCast(pReader->GetOutputDataObject(0)));
> >
> > Then you might have some other issue where pReader output being
empty/null, but for that I don't know.
> >
> > Are you managing your project with CMake? Did you include the
necessary file with the proper dependency declaration. This seems to be related to
the factory not
> > being properly initialized. You can search the mailing list,
Marcus did answer several questions about that.
> >
> > Seb
> >
> >
> >
> > On Thu, Oct 23, 2014 at 7:26 AM, Bogdan Daqui Herrera <bda...@simscale.de
<mailto:bda...@simscale.de> <mailto:bda...@simscale.de
<mailto:bda...@simscale.de>> <mailto:bda...@simscale.de
<mailto:bda...@simscale.de>
> <mailto:bda...@simscale.de <mailto:bda...@simscale.de>>>> wrote:
> >
> > Hello all,
> >
> > I am attempting to write some code in c++ which uses the
vtkPVDReader from the paraview library to read a series of vtm files. However I am
> encountering some
> > problems and I am not sure whether there is something I am
missing or whether this could be a bug.
> >
> > I am trying to use the reader in the following manner:
> > My Code:
> > vtkSmartPointer <vtkPVDReader> pReader =
vtkPVDReader::New();
> > pReader->SetForceOutputTypeToMultiBlock(1);
> > pReader->SetFileName("/some/fileName.pvd");
> > pReader->Update();
> > vtkMultiBlockDataSet*
pMultiBlockDataSet->DeepCopy(vtkMultiBlockDataSet::SafeDownCast(pReader->GetOutputDataObject(0)));
> >
> > Error:
> > The error occurs at Update() with the following result:
> > ERROR: In
/misc/dn47/SALOME/PRODUCTS/7x/opt/Ubuntu.13.10.64/7.4.0/tmp/ParaView-4.1.0_SRC/ParaViewCore/VTKExtensions/Default
> > /vtkXMLCollectionReader.cxx, line 316
> > vtkPVDReader (0x224d9e0): Error creating
"vtkXMLMultiBlockDataReader" using vtkPVInstantiator.
> > Segmentation fault
> >
> > Possible error Source
> > The code concerning line 316 from vtkXMLCollectionReader.cxx
is:
> >
> > // Use the instantiator to create the reader.
> > vtkObject* o = vtkPVInstantiator::CreateInstance(rname);
> > vtkXMLReader* reader = vtkXMLReader::SafeDownCast(o);
> > this->Internal->Readers[index] = reader;
> > if(reader)
> > {
> > reader->Delete();
> > }
> > else
> > {
> > // The class was not registered with the instantiator.
> > vtkErrorMacro("Error creating \"" << rname
> > << "\" using vtkPVInstantiator.");
> > if(o)
> > {
> > o->Delete();
> > }
> > }
> > }
> >
> > I have isolated the following lines and tested them
independently:
> > vtkObject* o = vtkPVInstantiator::CreateInstance(rname);
> > vtkXMLReader* reader = vtkXMLReader::SafeDownCast(o);
> >
> > The pointer "vtkObject* o" is NULL regardless of the class
name I pass to instantiate, and I can imagine something like that happening in the
library,
> too and
> > causing the segmentation fault, when calling a SafeDownCast(o)
(which is NULL).
> >
> >
> > Any suggestions on how to deal with this problem or if you
would be so kind to point me to an example for an alternative solution (Could be
> vtkFileSeriesReader,
> > but this fails, as well in my case) would be appreciated.
> >
> > Kind Regards,
> > Bogdan
> >
> > P.S.: Using the PVDReader from python code works flawlessly,
which is also quite confusing, as to why it would fail in the C++ code.
> >
> > --
> > Bogdan Daqui
> > Software Development
> >
> > SimScale GmbH
> > Lichtenbergstraße 8
> > 85748 Garching bei München
> >
> > Phone: +49 (0)89 3398 4078
> > Email: bda...@simscale.de <mailto:bda...@simscale.de>
<mailto:bda...@simscale.de <mailto:bda...@simscale.de>> <mailto:bda...@simscale.de
<mailto:bda...@simscale.de> <mailto:bda...@simscale.de
<mailto:bda...@simscale.de>>>
> >
> > Amtsgericht München, HRB 201813
> > Geschäftsführer: Vincenz Dölle & David Heiny
> >
> > http://www.simscale.de
> > _______________________________________________
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