[Paraview-developers] paraview PVSessionCore error

[Cory Quammen]

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
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>>> >>> >> >> >> >
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>>> >>> >> >> >> >
>>> >>> >> >> >>
>>> >>> >> >> >>
>>> >>> >> >> >>
>>> >>> >> >> >> --
>>> >>> >> >> >> 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:
>>> >>> >> >> >>
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>>> >>> >> >> >> --
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>>> >>> >> >> >> Board:
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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.
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