[Paraview-developers] paraview PVSessionCore error
Chiranjib Sur
sur.chiranjib at gmail.com
Mon Jul 18 13:52:57 EDT 2016
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;
> >> >>> >>> >> >> >> Dr.
> >> >>> >>> >> >> >> Rainer
> >> >>> >>> >> >> >> Martens, Michael Schreyoegg
> >> >>> >>> >> >> >> Vorsitzender des Aufsichtsrats/Chairman of the
> >> >>> >>> >> >> >> Supervisory
> >> >>> >>> >> >> >> Board:
> >> >>> >>> >> >> >> Klaus
> >> >>> >>> >> >> >> Eberhardt
> >> >>> >>> >> >> >> Sitz der Gesellschaft/Registered Office: Muenchen
> >> >>> >>> >> >> >> Handelsregister/Commercial Register: Muenchen HRB
> 157206
> >> >>> >>> >> >> >>
> >> >>> >>> >> >> >> Diese E-Mail sowie ihre Anhaenge enthalten MTU-eigene
> >> >>> >>> >> >> >> vertrauliche
> >> >>> >>> >> >> >> oder
> >> >>> >>> >> >> >> rechtlich geschuetzte Informationen.
> >> >>> >>> >> >> >> Wenn Sie nicht der beabsichtigte Empfaenger sind,
> >> >>> >>> >> >> >> informieren Sie
> >> >>> >>> >> >> >> bitte
> >> >>> >>> >> >> >> den Absender und loeschen Sie diese
> >> >>> >>> >> >> >> E-Mail sowie die Anhaenge. Das unbefugte Speichern,
> >> >>> >>> >> >> >> Kopieren
> >> >>> >>> >> >> >> oder
> >> >>> >>> >> >> >> Weiterleiten ist nicht gestattet.
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> >> >>> >>> >> >> >> This e-mail and any attached documents are proprietary
> to
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> the
> >> >>> >>> >> >> >> sender
> >> >>> >>> >> >> >> and
> >> >>> >>> >> >> >> delete
> >> >>> >>> >> >> >> this message and its attachments.
> >> >>> >>> >> >> >> Any unauthorised storing, copying or distribution is
> >> >>> >>> >> >> >> prohibited.
> >> >>> >>> >> >> >
> >> >>> >>> >> >> >
> >> >>> >>> >> >>
> >> >>> >>> >> >>
> >> >>> >>> >> >>
> >> >>> >>> >> >> --
> >> >>> >>> >> >> 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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