[Paraview-developers] paraview PVSessionCore error
Cory Quammen
cory.quammen at kitware.com
Mon Jul 18 14:08:39 EDT 2016
No, exactly the opposite. Use vtkStandardNewMacro().
On Mon, Jul 18, 2016 at 1:52 PM, Chiranjib Sur <sur.chiranjib at gmail.com> wrote:
> So, you recommend that in the .cpp files, instead of using
> vtkStandardNewMacro(vtksphObjectCube);
>
> I should use the following to define the New() member function?
>
> vtksphObjectCube* vtksphObjectCube::New()
>
> { return new vtksphObjectCube( );}
>
>
> On Mon, Jul 18, 2016 at 11:08 PM, Cory Quammen <cory.quammen at kitware.com>
> wrote:
>>
>> On Mon, Jul 18, 2016 at 1:05 PM, Chiranjib Sur <sur.chiranjib at gmail.com>
>> wrote:
>> > Cory,
>> > Thanks much. It means that except appending all classes by "vtk" nothing
>> > needs to be changed and is the crash related to "RequestData"
>> > implementation?
>>
>> Ah, one problem now that I look at your example again:
>>
>> Use the 'vtkStandardNewMacro(<myclassname>)' in your .cpp files to
>> define the New() member functions. I suspect the way you are defining
>> New() causes the garbage collector to prematurely delete the objects
>> because the object reference counts are never incremented. This is
>> likely what leads to the crash.
>>
>> Cory
>>
>> > Chiranjib
>> >
>> > On Mon, Jul 18, 2016 at 7:44 PM, Cory Quammen <cory.quammen at kitware.com>
>> > wrote:
>> >>
>> >> Chiranjib,
>> >>
>> >> CC'ing the developer's list so that others may benefit.
>> >>
>> >> Please see my modifications to your code attached. I wouldn't stress
>> >> out about crashes until you more fully implement your plugin.
>> >>
>> >> Thanks,
>> >> Cory
>> >>
>> >> On Mon, Jul 18, 2016 at 1:15 AM, Chiranjib Sur
>> >> <sur.chiranjib at gmail.com>
>> >> wrote:
>> >> > Hi Cory,
>> >> > Sorry to bother you again.
>> >> >
>> >> > I started with a clear mind this morning. Here is my modified sources
>> >> > (prepended the class/file names with vtk ) attached. While building I
>> >> > can
>> >> > build the ".so": and can load this as a plugin. However, when I want
>> >> > to
>> >> > create the source from the menu, I get a seg fault. I think it's an
>> >> > issue
>> >> > with some port. Since I have not implemented "RequestData" i don't
>> >> > expect
>> >> > anyting to be displayed in the PV window, however it landed with a
>> >> > crash.
>> >> >
>> >> > You mentioned that by "appending the names with vtk" you could get it
>> >> > worked. Could yo you please share the modification you have made it
>> >> > to
>> >> > work
>> >> > or have a look at my attachment?
>> >> >
>> >> > Thanks,
>> >> > Chiranjib
>> >> >
>> >> > On Fri, Jul 15, 2016 at 12:37 AM, Chiranjib Sur
>> >> > <sur.chiranjib at gmail.com>
>> >> > wrote:
>> >> >>
>> >> >> Yep! I have access now and have the edit privilege. I will start
>> >> >> adding
>> >> >> things shortly. Let me make a list of things that I have learnt
>> >> >> mostly
>> >> >> via
>> >> >> discussions using the mailing list.
>> >> >>
>> >> >> Chiranjib
>> >> >>
>> >> >>
>> >> >> On Fri, Jul 15, 2016 at 12:28 AM, Cory Quammen
>> >> >> <cory.quammen at kitware.com>
>> >> >> wrote:
>> >> >>>
>> >> >>> Okay, you should have gotten an email with a randomly generated
>> >> >>> password that should get you access to the wiki. You should be able
>> >> >>> to
>> >> >>> edit it - let me know if you can't.
>> >> >>>
>> >> >>> Thanks,
>> >> >>> Cory
>> >> >>>
>> >> >>> On Thu, Jul 14, 2016 at 2:53 PM, Cory Quammen
>> >> >>> <cory.quammen at kitware.com>
>> >> >>> wrote:
>> >> >>> > On Thu, Jul 14, 2016 at 2:46 PM, Chiranjib Sur
>> >> >>> > <sur.chiranjib at gmail.com> wrote:
>> >> >>> >> Hi Cory,
>> >> >>> >> Great! I prefer the user name <chiranjib.sur> for the account
>> >> >>> >> and
>> >> >>> >> atleast
>> >> >>> >> for first few posts, I want it to be reviewed by you just to
>> >> >>> >> make
>> >> >>> >> sure, I am
>> >> >>> >> following the standards.
>> >> >>> >
>> >> >>> > Sure, no problem. I'm not really sure there are standards :-) You
>> >> >>> > give
>> >> >>> > us too much credit.
>> >> >>> >
>> >> >>> >> Do you mind for the wiki and edits if I communicate to you
>> >> >>> >> directly
>> >> >>> >> bypassing the PV-developer mailing list?
>> >> >>> >
>> >> >>> > Yes, no problem.
>> >> >>> >
>> >> >>> > Cory
>> >> >>> >
>> >> >>> >> Thanks,
>> >> >>> >> Chiranjib
>> >> >>> >>
>> >> >>> >> On Fri, Jul 15, 2016 at 12:13 AM, Cory Quammen
>> >> >>> >> <cory.quammen at kitware.com>
>> >> >>> >> wrote:
>> >> >>> >>>
>> >> >>> >>> Chiranjib,
>> >> >>> >>>
>> >> >>> >>> > How do I register to the wiki as an author? And how it works
>> >> >>> >>> > -
>> >> >>> >>> > anybody
>> >> >>> >>> > reviews the submission before it is published?
>> >> >>> >>>
>> >> >>> >>> The wiki suffered from spam attacks recently, so we had to
>> >> >>> >>> disable
>> >> >>> >>> user registration. I'll work to get you an account and then get
>> >> >>> >>> you
>> >> >>> >>> the login info.
>> >> >>> >>>
>> >> >>> >>> No reviews are needed before publishing, but if you want
>> >> >>> >>> someone
>> >> >>> >>> to
>> >> >>> >>> take a look after you post the changes, I'm happy to review.
>> >> >>> >>>
>> >> >>> >>> Thanks,
>> >> >>> >>> Cory
>> >> >>> >>>
>> >> >>> >>> > Thanks,
>> >> >>> >>> > Chiranjib
>> >> >>> >>> >
>> >> >>> >>> >
>> >> >>> >>> >
>> >> >>> >>> > On Thu, Jul 14, 2016 at 11:43 PM, Cory Quammen
>> >> >>> >>> > <cory.quammen at kitware.com>
>> >> >>> >>> > wrote:
>> >> >>> >>> >>
>> >> >>> >>> >> > I wish these kind of information is stored in some wiki
>> >> >>> >>> >> > form
>> >> >>> >>> >> > somewhere,
>> >> >>> >>> >> > or
>> >> >>> >>> >> > posted in your vtk/paraview blog. This will be immensely
>> >> >>> >>> >> > helpful
>> >> >>> >>> >> > to
>> >> >>> >>> >> > the
>> >> >>> >>> >> > developer community!
>> >> >>> >>> >>
>> >> >>> >>> >> Indeed, though a ParaView developer's guide would likely be
>> >> >>> >>> >> several
>> >> >>> >>> >> hundred pages long, would no doubt miss an important piece
>> >> >>> >>> >> of
>> >> >>> >>> >> information someone needs, and would be out of date quite
>> >> >>> >>> >> quickly.
>> >> >>> >>> >> The
>> >> >>> >>> >> ParaView code is itself the authoritative source of
>> >> >>> >>> >> information,
>> >> >>> >>> >> but I
>> >> >>> >>> >> know full well - believe me - that it isn't always fast or
>> >> >>> >>> >> easy
>> >> >>> >>> >> to
>> >> >>> >>> >> go
>> >> >>> >>> >> that route.
>> >> >>> >>> >>
>> >> >>> >>> >> The good news is that you are now part of the developer
>> >> >>> >>> >> community,
>> >> >>> >>> >> so
>> >> >>> >>> >> we have one more person to contribute this documentation! It
>> >> >>> >>> >> would
>> >> >>> >>> >> be
>> >> >>> >>> >> great if you could update the ParaView plugins howto page on
>> >> >>> >>> >> the
>> >> >>> >>> >> wiki
>> >> >>> >>> >> for other developers to benefit:
>> >> >>> >>> >>
>> >> >>> >>> >> http://www.paraview.org/Wiki/Plugin_HowTo
>> >> >>> >>> >>
>> >> >>> >>> >> Best,
>> >> >>> >>> >> Cory
>> >> >>> >>> >>
>> >> >>> >>> >>
>> >> >>> >>> >> > Thanks a lot,
>> >> >>> >>> >> > Chiranjib
>> >> >>> >>> >> >
>> >> >>> >>> >> >
>> >> >>> >>> >> > On Thu, Jul 14, 2016 at 7:37 PM, Cory Quammen
>> >> >>> >>> >> > <cory.quammen at kitware.com>
>> >> >>> >>> >> > wrote:
>> >> >>> >>> >> >>
>> >> >>> >>> >> >> Chiranjib,
>> >> >>> >>> >> >>
>> >> >>> >>> >> >> It's not obvious or probably described anywhere, but the
>> >> >>> >>> >> >> client/server
>> >> >>> >>> >> >> code wrapping mechanism wraps member functions that have
>> >> >>> >>> >> >> VTK
>> >> >>> >>> >> >> objects
>> >> >>> >>> >> >> as parameters *only* if those VTK objects have names that
>> >> >>> >>> >> >> start
>> >> >>> >>> >> >> with
>> >> >>> >>> >> >> "vtk". If you prepend vtk to all your sph* classes, it
>> >> >>> >>> >> >> should
>> >> >>> >>> >> >> work.
>> >> >>> >>> >> >> In
>> >> >>> >>> >> >> fact, I tested that locally, and it solves the error you
>> >> >>> >>> >> >> are
>> >> >>> >>> >> >> seeing.
>> >> >>> >>> >> >>
>> >> >>> >>> >> >> HTH,
>> >> >>> >>> >> >> Cory
>> >> >>> >>> >> >>
>> >> >>> >>> >> >> On Wed, Jul 13, 2016 at 1:57 AM, Chiranjib Sur
>> >> >>> >>> >> >> <sur.chiranjib at gmail.com>
>> >> >>> >>> >> >> wrote:
>> >> >>> >>> >> >> > Hi,
>> >> >>> >>> >> >> > Thanks for your messages the pointers. I still have
>> >> >>> >>> >> >> > some
>> >> >>> >>> >> >> > issues.
>> >> >>> >>> >> >> > Here
>> >> >>> >>> >> >> > is
>> >> >>> >>> >> >> > the
>> >> >>> >>> >> >> > attached code snippets which throws me error messages.
>> >> >>> >>> >> >> > I
>> >> >>> >>> >> >> > am
>> >> >>> >>> >> >> > bit
>> >> >>> >>> >> >> > clueless
>> >> >>> >>> >> >> > what I am missing here.
>> >> >>> >>> >> >> >
>> >> >>> >>> >> >> > Thanks,
>> >> >>> >>> >> >> > Chiranjib
>> >> >>> >>> >> >> >
>> >> >>> >>> >> >> > On Tue, Jul 12, 2016 at 8:09 PM, RIVERA ROLDAN, Jorge
>> >> >>> >>> >> >> > Orlando
>> >> >>> >>> >> >> > <Orlando.RIVERA at mtu.de> wrote:
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Hi,
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Also , check if "setVariable" is in the public
>> >> >>> >>> >> >> >> section
>> >> >>> >>> >> >> >> of
>> >> >>> >>> >> >> >> your
>> >> >>> >>> >> >> >> class
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Orlando
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> -----Ursprüngliche Nachricht-----
>> >> >>> >>> >> >> >> Von: Paraview-developers
>> >> >>> >>> >> >> >> [mailto:paraview-developers-bounces at paraview.org]
>> >> >>> >>> >> >> >> Im Auftrag von Cory Quammen
>> >> >>> >>> >> >> >> Gesendet: Tuesday, 12. July 2016 15:37
>> >> >>> >>> >> >> >> An: Chiranjib Sur
>> >> >>> >>> >> >> >> Cc: Paraview Developer Mailing list
>> >> >>> >>> >> >> >> Betreff: Re: [Paraview-developers] paraview
>> >> >>> >>> >> >> >> PVSessionCore
>> >> >>> >>> >> >> >> error
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Chiranjib,
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Usually this error means there is a mismatch between
>> >> >>> >>> >> >> >> the
>> >> >>> >>> >> >> >> XML
>> >> >>> >>> >> >> >> used
>> >> >>> >>> >> >> >> to
>> >> >>> >>> >> >> >> describe the VTK-side class. Check that your XML name
>> >> >>> >>> >> >> >> for
>> >> >>> >>> >> >> >> the
>> >> >>> >>> >> >> >> member
>> >> >>> >>> >> >> >> function matches the C++, and that the member function
>> >> >>> >>> >> >> >> setVariable()
>> >> >>> >>> >> >> >> takes only one value.
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Cory
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> On Tue, Jul 12, 2016 at 1:22 AM, Chiranjib Sur
>> >> >>> >>> >> >> >> <sur.chiranjib at gmail.com>
>> >> >>> >>> >> >> >> wrote:
>> >> >>> >>> >> >> >> > Hi,
>> >> >>> >>> >> >> >> > I am trying to implement a new filter in ParaView
>> >> >>> >>> >> >> >> > and I
>> >> >>> >>> >> >> >> > get the
>> >> >>> >>> >> >> >> > following
>> >> >>> >>> >> >> >> > error while executing.
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > vtkPVSessionCore (0x162d180): Object type:
>> >> >>> >>> >> >> >> > MyObjectSource,
>> >> >>> >>> >> >> >> > could
>> >> >>> >>> >> >> >> > not
>> >> >>> >>> >> >> >> > find
>> >> >>> >>> >> >> >> > requested method: "setVariable"
>> >> >>> >>> >> >> >> > or the method was called with incorrect arguments.
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > while processing
>> >> >>> >>> >> >> >> > Message 0 = Invoke
>> >> >>> >>> >> >> >> > Argument 0 = vtk_object_pointer
>> >> >>> >>> >> >> >> > {MyObjectSource(0x34b3870)}
>> >> >>> >>> >> >> >> > Argument 1 = string_value {setVariable}
>> >> >>> >>> >> >> >> > Argument 2 = float64_value {0.003}
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > I searched the mailing list and it looks like a very
>> >> >>> >>> >> >> >> > similar
>> >> >>> >>> >> >> >> > bug
>> >> >>> >>> >> >> >> > has
>> >> >>> >>> >> >> >> > been
>> >> >>> >>> >> >> >> > reported
>> >> >>> >>> >> >> >> > http://www.paraview.org/Bug/view.php?id=15593
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > People have faced similar problem and here are the
>> >> >>> >>> >> >> >> > details
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > http://public.kitware.com/pipermail/paraview/2016-March/036387.html
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > Is there a solution of work-around?
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > Chiranjib
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > _______________________________________________
>> >> >>> >>> >> >> >> > Powered by www.kitware.com
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > Visit other Kitware open-source projects at
>> >> >>> >>> >> >> >> > http://www.kitware.com/opensource/opensource.html
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > Search the list archives at:
>> >> >>> >>> >> >> >> > http://markmail.org/search/?q=Paraview-developers
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > Follow this link to subscribe/unsubscribe:
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >> > http://public.kitware.com/mailman/listinfo/paraview-developers
>> >> >>> >>> >> >> >> >
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> --
>> >> >>> >>> >> >> >> Cory Quammen
>> >> >>> >>> >> >> >> R&D Engineer
>> >> >>> >>> >> >> >> Kitware, Inc.
>> >> >>> >>> >> >> >> _______________________________________________
>> >> >>> >>> >> >> >> Powered by www.kitware.com
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Visit other Kitware open-source projects at
>> >> >>> >>> >> >> >> http://www.kitware.com/opensource/opensource.html
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Search the list archives at:
>> >> >>> >>> >> >> >> http://markmail.org/search/?q=Paraview-developers
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Follow this link to subscribe/unsubscribe:
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> http://public.kitware.com/mailman/listinfo/paraview-developers
>> >> >>> >>> >> >> >> --
>> >> >>> >>> >> >> >> MTU Aero Engines AG
>> >> >>> >>> >> >> >> Vorstand/Board of Management: Reiner Winkler,
>> >> >>> >>> >> >> >> Vorsitzender/CEO;
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>> >> >>> >>> >> >> >> Rainer
>> >> >>> >>> >> >> >> Martens, Michael Schreyoegg
>> >> >>> >>> >> >> >> Vorsitzender des Aufsichtsrats/Chairman of the
>> >> >>> >>> >> >> >> Supervisory
>> >> >>> >>> >> >> >> Board:
>> >> >>> >>> >> >> >> Klaus
>> >> >>> >>> >> >> >> Eberhardt
>> >> >>> >>> >> >> >> Sitz der Gesellschaft/Registered Office: Muenchen
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>> >> >>> >>> >> >> >> 157206
>> >> >>> >>> >> >> >>
>> >> >>> >>> >> >> >> Diese E-Mail sowie ihre Anhaenge enthalten MTU-eigene
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>> >> >>> >>> >> >>
>> >> >>> >>> >> >> --
>> >> >>> >>> >> >> Cory Quammen
>> >> >>> >>> >> >> R&D Engineer
>> >> >>> >>> >> >> Kitware, Inc.
>> >> >>> >>> >> >
>> >> >>> >>> >> >
>> >> >>> >>> >>
>> >> >>> >>> >>
>> >> >>> >>> >>
>> >> >>> >>> >> --
>> >> >>> >>> >> Cory Quammen
>> >> >>> >>> >> R&D Engineer
>> >> >>> >>> >> Kitware, Inc.
>> >> >>> >>> >
>> >> >>> >>> >
>> >> >>> >>>
>> >> >>> >>>
>> >> >>> >>>
>> >> >>> >>> --
>> >> >>> >>> Cory Quammen
>> >> >>> >>> R&D Engineer
>> >> >>> >>> Kitware, Inc.
>> >> >>> >>
>> >> >>> >>
>> >> >>> >
>> >> >>> >
>> >> >>> >
>> >> >>> > --
>> >> >>> > Cory Quammen
>> >> >>> > R&D Engineer
>> >> >>> > Kitware, Inc.
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>> --
>> >> >>> Cory Quammen
>> >> >>> R&D Engineer
>> >> >>> Kitware, Inc.
>> >> >>
>> >> >>
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Cory Quammen
>> >> R&D Engineer
>> >> Kitware, Inc.
>> >
>> >
>>
>>
>>
>> --
>> Cory Quammen
>> R&D Engineer
>> Kitware, Inc.
>
>
--
Cory Quammen
R&D Engineer
Kitware, Inc.
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