[Paraview] Populating a servermanager list widget with string array
Utkarsh Ayachit
utkarsh.ayachit at kitware.com
Thu Aug 21 09:16:37 EDT 2014
I think the segfault is happening in SetUserEPK().
On Thu, Aug 21, 2014 at 8:42 AM, Girish Ramesh <rgirish28 at gmail.com> wrote:
> The Plugin loads fine according to the debugger, so it is something to do
> with the loading of the vtkDataArraySelector. I'm completely lost on where
> my code is messing up. I hope you can help Utkarsh. Thanks.
>
> Regards,
> Girish
>
>
> On 21 August 2014 14:35, Girish Ramesh <rgirish28 at gmail.com> wrote:
>>
>> This is the error that is printed out. I dunno what the problem is. I
>> think it is to do with the vtkDataArraySelection being returned. It was
>> atleast loading the ServerManager GUI before I added the function for
>> returning the Selection. Any thoughts? Thank you and sorry for being a
>> bother.
>>
>>
>>
>> -------------------
>>
>> *** glibc detected ***
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/paraview:
>> double free or corruption (!prev): 0x0000000000b6f720 ***
>> ======= Backtrace: =========
>> /lib64/libc.so.6(+0x76808)[0x2b6ce2c97808]
>> /lib64/libc.so.6(cfree+0x6c)[0x2b6ce2c9c84c]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/paraview/ParaView-v4.1.0/Plugins/ReadUALGrid/libReadUALGrid.so(_ZN11ReadUALGrid7SetUserEPKc+0x21d)[0x2b6ced506fdb]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/paraview/ParaView-v4.1.0/Plugins/ReadUALGrid/libReadUALGrid.so(_Z18ReadUALGridCommandP26vtkClientServerInterpreterP13vtkObjectBasePKcRK21vtkClientServerStreamRS5_Pv+0x8ae)[0x2b6ced5088c1]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkClientServer-pv4.1.so.1(_ZN26vtkClientServerInterpreter19CallCommandFunctionEPKcP13vtkObjectBaseS1_RK21vtkClientServerStreamRS4_+0x158)[0x2b6cd58551c8]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkClientServer-pv4.1.so.1(_ZN26vtkClientServerInterpreter20ProcessCommandInvokeERK21vtkClientServerStreami+0x192)[0x2b6cd5859102]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkClientServer-pv4.1.so.1(_ZN26vtkClientServerInterpreter17ProcessOneMessageERK21vtkClientServerStreami+0x2b6)[0x2b6cd5858746]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkClientServer-pv4.1.so.1(_ZN26vtkClientServerInterpreter13ProcessStreamERK21vtkClientServerStream+0x1d)[0x2b6cd585880d]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN13vtkSIProperty14ProcessMessageER21vtkClientServerStream+0x3b)[0x2b6cd1e751bb]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN25vtkSIStringVectorProperty4PushERKNS_18vtkVectorOfStringsE+0x247)[0x2b6cd1e8aad7]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN25vtkSIStringVectorProperty17ReadXMLAttributesEP10vtkSIProxyP15vtkPVXMLElement+0x2c1)[0x2b6cd1e8b431]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN10vtkSIProxy15ReadXMLPropertyEP15vtkPVXMLElement+0x1a2)[0x2b6cd1e77832]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN10vtkSIProxy17ReadXMLAttributesEP15vtkPVXMLElement+0x18f)[0x2b6cd1e7649f]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN16vtkSISourceProxy17ReadXMLAttributesEP15vtkPVXMLElement+0x19)[0x2b6cd1e87809]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN10vtkSIProxy16CreateVTKObjectsEPN17paraview_protobuf7MessageE+0x6b2)[0x2b6cd1e76e12]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN16vtkSISourceProxy16CreateVTKObjectsEPN17paraview_protobuf7MessageE+0x65)[0x2b6cd1e89765]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN10vtkSIProxy4PushEPN17paraview_protobuf7MessageE+0x1d)[0x2b6cd1e7609d]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN16vtkPVSessionCore17PushStateInternalEPN17paraview_protobuf7MessageE+0x1f2)[0x2b6cd1e5ae32]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN16vtkPVSessionCore9PushStateEPN17paraview_protobuf7MessageE+0x37)[0x2b6cd1e592e7]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerImplementationCore-pv4.1.so.1(_ZN16vtkPVSessionBase9PushStateEPN17paraview_protobuf7MessageE+0x2d)[0x2b6cd1e56b2d]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerManagerCore-pv4.1.so.1(_ZN10vtkSMProxy16CreateVTKObjectsEv+0x363)[0x2b6cd195b663]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerManagerCore-pv4.1.so.1(_ZN16vtkSMSourceProxy16CreateVTKObjectsEv+0x15)[0x2b6cd199b7e5]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkPVServerManagerCore-pv4.1.so.1(_ZN24vtkSMSessionProxyManager13RegisterProxyEPKcS1_P10vtkSMProxy+0x532)[0x2b6cd19908f2]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkpqCore-pv4.1.so.1(_ZN15pqObjectBuilder19createProxyInternalERK7QStringS2_P8pqServerS2_S2_RK4QMapIS0_8QVariantE+0x3bb)[0x2b6ccf16451b]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkpqCore-pv4.1.so.1(_ZN15pqObjectBuilder12createSourceERK7QStringS2_P8pqServer+0x99)[0x2b6ccf160d09]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkpqApplicationComponents-pv4.1.so.1(_ZN21pqSourcesMenuReaction12createSourceERK7QStringS2_+0xfa)[0x2b6cce6ec38a]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtCore.so.4(_ZN11QMetaObject8activateEP7QObjectPKS_iPPv+0x2bf)[0x2b6ce213d9bf]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkpqApplicationComponents-pv4.1.so.1(_ZN23pqProxyGroupMenuManager9triggeredERK7QStringS2_+0x27)[0x2b6cce7042a7]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkpqApplicationComponents-pv4.1.so.1(_ZN23pqProxyGroupMenuManager9triggeredEv+0x117)[0x2b6cce6db9a7]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtCore.so.4(_ZN11QMetaObject8activateEP7QObjectPKS_iPPv+0x2bf)[0x2b6ce213d9bf]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(_ZN7QAction9triggeredEb+0x32)[0x2b6ce116bda2]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(_ZN7QAction8activateENS_11ActionEventE+0x70)[0x2b6ce116bf90]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(+0x64b3b3)[0x2b6ce15a23b3]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(+0x6517c9)[0x2b6ce15a87c9]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(_ZN7QWidget5eventEP6QEvent+0x929)[0x2b6ce11c1a99]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(_ZN5QMenu5eventEP6QEvent+0x5b)[0x2b6ce15a9b0b]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0xac)[0x2b6ce1171fac]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x3eb)[0x2b6ce11766db]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x8e)[0x2b6ce21284de]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(_ZN19QApplicationPrivate14sendMouseEventEP7QWidgetP11QMouseEventS1_S1_PS1_R8QPointerIS0_Eb+0x14b)[0x2b6ce1172deb]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(+0x29677c)[0x2b6ce11ed77c]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(_ZN12QApplication15x11ProcessEventEP7_XEvent+0xaf1)[0x2b6ce11ec651]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(+0x2bb322)[0x2b6ce1212322]
>> /usr/lib64/libglib-2.0.so.0(g_main_context_dispatch+0x24a)[0x2b6ce8dad60a]
>> /usr/lib64/libglib-2.0.so.0(+0x3ee88)[0x2b6ce8db0e88]
>> /usr/lib64/libglib-2.0.so.0(g_main_context_iteration+0x6c)[0x2b6ce8db103c]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtCore.so.4(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x66)[0x2b6ce2156ac6]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtGui.so.4(+0x2bafae)[0x2b6ce1211fae]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtCore.so.4(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x2f)[0x2b6ce21270df]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtCore.so.4(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x138)[0x2b6ce2127368]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/qt/lib/libQtCore.so.4(_ZN16QCoreApplication4execEv+0x88)[0x2b6ce212c248]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/paraview(main+0x185)[0x407ac5]
>> /lib64/libc.so.6(__libc_start_main+0xe6)[0x2b6ce2c3fc16]
>>
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/paraview[0x407879]
>> ======= Memory map: ========
>> 00400000-008bb000 r-xp 00000000 00:19 102783069
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/paraview
>> 00abb000-00abc000 r--p 004bb000 00:19 102783069
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/paraview
>> 00abc000-00abd000 rw-p 004bc000 00:19 102783069
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/paraview
>> 00abd000-01fc4000 rw-p 00000000 00:00 0
>> [heap]
>> 2b6cce41f000-2b6cce43e000 r-xp 00000000 fd:01 16791
>> /lib64/ld-2.11.3.so
>> 2b6cce43e000-2b6cce440000 rw-p 00000000 00:00 0
>> 2b6cce63d000-2b6cce63e000 r--p 0001e000 fd:01 16791
>> /lib64/ld-2.11.3.so
>> 2b6cce63e000-2b6cce63f000 rw-p 0001f000 fd:01 16791
>> /lib64/ld-2.11.3.so
>> 2b6cce63f000-2b6cce640000 rw-p 00000000 00:00 0
>> 2b6cce640000-2b6cce743000 r-xp 00000000 00:19 67479375
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkpqApplicationComponents-pv4.1.so.1
>> 2b6cce743000-2b6cce943000 ---p 00103000 00:19 67479375
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkpqApplicationComponents-pv4.1.so.1
>> 2b6cce943000-2b6cce94d000 r--p 00103000 00:19 67479375
>> /pfs/work/kosl/sohpc/girish/paraview_plugin/staging/paraview/4.1/lib/paraview-4.1/libvtkpqApplicationComponents-pv4.1.so.1
>> 2b6cce94d000-2b6cce950000 rw-p 0010d000 00:19 6
>>
>>
>> On 21 August 2014 14:30, Utkarsh Ayachit <utkarsh.ayachit at kitware.com>
>> wrote:
>>>
>>> I'd suggest looking at in the debugger and the tracking the segfault
>>> down. Not sure where it could be going wrong.
>>>
>>> Utkarsh
>>>
>>> On Thu, Aug 21, 2014 at 8:25 AM, Girish Ramesh <rgirish28 at gmail.com>
>>> wrote:
>>> > Dear Utkarsh,
>>> >
>>> > Thank you for the email. I tried modelling it along the example
>>> > mentioned.
>>> > This is the code that I have written but it segfaults for no reason
>>> > that is
>>> > apparent to me.
>>> >
>>> > C++ Code:
>>> >
>>> > ReadUALGrid::ReadUALGrid()
>>> > {
>>> > //this->FileName = NULL;
>>> > this->SetNumberOfInputPorts(0);
>>> > this->SetNumberOfOutputPorts(1);
>>> > this->trial=vtkSmartPointer<vtkDataArraySelection>::New();
>>> > this->trial->AddArray("hello");
>>> > this->trial->AddArray("world");
>>> > this->trial->EnableAllArrays();
>>> > }
>>> >
>>> >
>>> > }
>>> >
>>> > vtkDataArraySelection * ReadUALGrid::GetCPOListSelection(){
>>> >
>>> > return this->trial.GetPointer();
>>> > }
>>> >
>>> >
>>> > int ReadUALGrid::GetCPOListArrayStatus(char *name){
>>> >
>>> > return this->trial->GetArraySetting(name);
>>> > }
>>> >
>>> > void ReadUALGrid::SetCPOListArrayStatus(const char * name, int status){
>>> >
>>> > if (status){
>>> > this->trial->EnableArray(name);
>>> > }
>>> > else{
>>> > this->trial->DisableArray(name);
>>> > }
>>> >
>>> >
>>> > }
>>> >
>>> >
>>> > int ReadUALGrid::GetNumberOfCPOListArrays(){
>>> >
>>> >
>>> > return this->trial->GetNumberOfArrays();
>>> > }
>>> >
>>> >
>>> > const char * ReadUALGrid::GetCPOListArrayName(int index){
>>> >
>>> > return this->trial->GetArrayName(index);
>>> >
>>> > }
>>> >
>>> >
>>> > XML:
>>> >
>>> > <StringVectorProperty
>>> > name="CPOList"
>>> > label="CPOList"
>>> > command="SetCPOListArrayStatus"
>>> > number_of_elements="0"
>>> > number_of_elements_per_command="2"
>>> > element_types="2 0"
>>> > information_property="CPOListArrayStatus"
>>> > panel_visibility="default">
>>> >
>>> > <ArraySelectionDomain name="array_list">
>>> > <RequiredProperties>
>>> > <Property function="ArrayList"
>>> > name="CPOListArrayStatus"/>
>>> > </RequiredProperties>
>>> > </ArraySelectionDomain>
>>> > <Documentation>
>>> >
>>> > This property specifies the CPO on the UAL Database.
>>> > </Documentation>
>>> > </StringVectorProperty>
>>> >
>>> >
>>> > <StringVectorProperty
>>> > name="CPOListArrayStatus"
>>> > information_only="1">
>>> > <ArraySelectionInformationHelper attribute_name="CPOList"/>
>>> > </StringVectorProperty>
>>> >
>>> >
>>> > Any idea where I am making the mistake? Can I initialize a
>>> > DataArraySelection that way? Thanks.
>>> >
>>> > Regards,
>>> > Girish
>>> >
>>> >
>>> > On 20 August 2014 22:49, Utkarsh Ayachit <utkarsh.ayachit at kitware.com>
>>> > wrote:
>>> >>
>>> >> Try modeling this on "Point/Cell" array selection properties provided
>>> >> by readers (in readers.xml). You'd need to use the
>>> >> ArraySelectionDomain, the StringListDomain won't work.
>>> >>
>>> >> e.g.
>>> >> <StringVectorProperty command="SetPointArrayStatus"
>>> >> element_types="2 0"
>>> >> information_property="PointArrayInfo"
>>> >> label="Point Arrays"
>>> >> name="PointArrayStatus"
>>> >> number_of_elements="0"
>>> >> number_of_elements_per_command="2"
>>> >> repeat_command="1">
>>> >> <ArraySelectionDomain name="array_list">
>>> >> <RequiredProperties>
>>> >> <Property function="ArrayList"
>>> >> name="PointArrayInfo" />
>>> >> </RequiredProperties>
>>> >> </ArraySelectionDomain>
>>> >> <Documentation>This property lists which point-centered arrays
>>> >> to
>>> >> read.</Documentation>
>>> >> </StringVectorProperty>
>>> >>
>>> >>
>>> >>
>>> >> On Wed, Aug 20, 2014 at 9:37 AM, Girish Ramesh <rgirish28 at gmail.com>
>>> >> wrote:
>>> >> > Hi,
>>> >> >
>>> >> > I would like to use the panel_widget option in the servermanager XML
>>> >> > with a
>>> >> > String Array, but whenever I try to do it, it doesn't display
>>> >> > anything.
>>> >> > So,
>>> >> > I'm wondering how it can be done even though it works with a normal
>>> >> > StringVectorProperty for the default widget. Thank you. The XML and
>>> >> > screenshot is given below.
>>> >> >
>>> >> > XML:
>>> >> >
>>> >> > <StringVectorProperty
>>> >> > name="CPOList"
>>> >> > label="CPOList"
>>> >> > command="SetCPOList"
>>> >> > number_of_elements="1"
>>> >> > panel_visibility="default"
>>> >> > panel_widget="list">
>>> >> > <StringListDomain name="array_list">
>>> >> > <RequiredProperties>
>>> >> > <Property function="ArrayList"
>>> >> > name="CPOListInfo"/>
>>> >> > </RequiredProperties>
>>> >> > </StringListDomain>
>>> >> > <Documentation>
>>> >> > This property specifies the CPO on the UAL Database.
>>> >> > </Documentation>
>>> >> > </StringVectorProperty>
>>> >> >
>>> >> >
>>> >> > <StringVectorProperty
>>> >> > name="CPOListInfo"
>>> >> > label="CPOListInfo"
>>> >> > command="GetCPOList"
>>> >> > information_only="1">
>>> >> > <StringArrayHelper />
>>> >> > </StringVectorProperty>
>>> >> >
>>> >> > Screenshot of option working with default widget:
>>> >> >
>>> >> > https://imageshack.com/i/eyhM3mFKp
>>> >> >
>>> >> > Regards,
>>> >> > Girish
>>> >> >
>>> >> > _______________________________________________
>>> >> > Powered by www.kitware.com
>>> >> >
>>> >> > Visit other Kitware open-source projects at
>>> >> > http://www.kitware.com/opensource/opensource.html
>>> >> >
>>> >> > Please keep messages on-topic and check the ParaView Wiki at:
>>> >> > http://paraview.org/Wiki/ParaView
>>> >> >
>>> >> > Follow this link to subscribe/unsubscribe:
>>> >> > http://public.kitware.com/mailman/listinfo/paraview
>>> >> >
>>> >
>>> >
>>
>>
>
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