[Paraview] File Series Reader as a Plugin

Berk Geveci berk.geveci at kitware.com
Fri Jan 30 13:32:06 EST 2009 

Yey! I can remove this from the list of things to debug :-)

-berk

On Fri, Jan 30, 2009 at 11:14 AM, Sean Ziegeler
<sean.ziegeler at nrlssc.navy.mil> wrote:
> I found the problem, and it seems so simple now.  In addition to the server
> .xml file, I needed to create a .bqrc file for the client side.
>
> I figured this out by reading both the "Animating Legacy VTK File Series"
> and the "Plugin How-to" wiki pages and putting the knowledge together.
>  Would anyone object to me laying this out a little more explicitly in the
> "Animating Legacy..." page (only the one on paraview.org, not the one on
> vtk.org)?  I could append a section called "File Series Plugins for Existing
> Readers" or something like that.
>
> -Sean
>
> Sean Ziegeler wrote:
>>
>> I haven't tried adding it to readers.xml.  I want to distribute this to
>> other users, and it would be best if they didn't have to recompile - just
>> use the plugin.
>>
>> The good news is that the reader isn't mine; it already exists.  It is the
>> UNC Meta Image reader (vtkMetaImageReader).  It reads .mha & .mhd files.
>>  I'm simply trying to extend it to read time series.  I've attached the .xml
>> file that I've written.
>>
>> It appears to select the original reader rather than the file series
>> reader for these files.  I _think_ I've set all of the properties correctly.
>>  I wonder if I need to tell it to override the file extensions somehow?
>>
>> Thanks,
>> Sean
>>
>> Quoting Berk Geveci <berk.geveci at kitware.com>:
>>
>>> Hmmm. It should work. Are you saying that it works if you add it to
>>> readers.xml but not as a plugin? Can you share your xml and maybe the
>>> reader code with the guts taken out?
>>>
>>> -berk
>>>
>>>
>>> On Thu, Jan 22, 2009 at 5:13 PM, Sean Ziegeler
>>> <sean.ziegeler at nrlssc.navy.mil> wrote:
>>>>
>>>> I'd like my new FileSeriesReaderProxy to be a run-time loaded plugin.
>>>> I've created the necessary XML tags as per the discussion below, and put
>>>> it in a .xml file.  It loads fine with the Plugin Manager, but the files
>>>> still aren't recognized as a series.
>>>>
>>>> Is this because run-time loading of a FileSeriesReaderProxy isn't
>>>> supported?  Has anyone else tried it this way (as opposed to adding it
>>>> to the readers.xml file and recompiling)?
>>>>
>>>> Thanks,
>>>> Sean
>>>>
>>>> Sean Ziegeler wrote:
>>>>>
>>>>> Ken,
>>>>> Yes, that's correct.  The "Meta" (.mha, .mhd) reader exists in ParaView
>>>>> (actually in VTK) and I want to load in a file series.  And that
>>>>> answers my
>>>>> question, i.e., ParaView will load files of the same extension using
>>>>> the new
>>>>> plugin reader instead of the original one.
>>>>>
>>>>> The reason I asked was that I seem to recall earlier versions of
>>>>> ParaView
>>>>> always using the _first_ reader for a given file extension if the
>>>>> extension
>>>>> conflicted with another reader.  I assume that has been changed
>>>>> recently.
>>>>>  Anyway, thanks for the answer.  I didn't want to spend time on this if
>>>>> there was no hope of it working.
>>>>>
>>>>> -Sean
>>>>>
>>>>> Moreland, Kenneth wrote:
>>>>>>
>>>>>> Sean,
>>>>>>
>>>>>> I am a little confused.  Are you saying that there exists a reader in
>>>>>> ParaView that you want to use to load in a file series?  And the issue
>>>>>> is
>>>>>> that because the reader already exists in ParaView in the "sources"
>>>>>> group
>>>>>> and you cannot move it to "internal_sources" or some other naming
>>>>>> conflict?
>>>>>>
>>>>>> If this is the case, I don't think there is anything special you have
>>>>>> to
>>>>>> do.  Just make a new <FileSeriesReaderProxy> tag in the "sources"
>>>>>> group.
>>>>>>  The Reader subproxy can be in any group; it does not mater if it also
>>>>>> came
>>>>>> from "sources".  The FileSeriesReaderProxy can also co-exist with the
>>>>>> single
>>>>>> file reader so long as they have unique names.  You can also make your
>>>>>> reader read files with the same file extension; ParaView will use the
>>>>>> plugin
>>>>>> reader instead of the one defined in ParaView.
>>>>>>
>>>>>> -Ken
>>>>>>
>>>>>>
>>>>>> On 1/8/09 12:19 PM, "Sean Ziegeler" <sean.ziegeler at nrlssc.navy.mil>
>>>>>> wrote:
>>>>>>
>>>>>>   I'd like to write a plugin that makes the Meta format time-aware.
>>>>>>  I've
>>>>>>   looked at: http://www.vtk.org/Wiki/Animating_legacy_VTK_file_series
>>>>>> .
>>>>>>
>>>>>>    From that, I see that I can modify
>>>>>>   VTK/Servers/ServerManager/Resources/reader.xml, but I'd prefer it to
>>>>>> be
>>>>>>   plugin that I can send to someone else with requiring a complete
>>>>>> rebuild
>>>>>>   of Paraview/VTK.  It should be possible to write a .xml file that
>>>>>> gets
>>>>>>   loaded as a plugin and that wraps the Meta reader in a
>>>>>>   vtkFileSeriesReader.
>>>>>>
>>>>>>   However, if I do it without modifying readers.xml, the original Meta
>>>>>>   reader does not get moved to a different ProxyGroup.  Does that mean
>>>>>> my
>>>>>>   new Meta Series reader won't ever be used?  Is there some other way
>>>>>> to
>>>>>>   do it that doesn't require a rebuild of Paraview?
>>>>>>
>>>>>>   Thanks,
>>>>>>   Sean
>>>>>>
>>>>>>   _______________________________________________
>>>>>>   ParaView mailing list
>>>>>>   ParaView at paraview.org
>>>>>>   http://www.paraview.org/mailman/listinfo/paraview
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>  ****      Kenneth Moreland
>>>>>>   ***      Sandia National Laboratories
>>>>>> ***********  *** *** ***  email: kmorel at sandia.gov
>>>>>> **  ***  **  phone: (505) 844-8919
>>>>>>   ***      web:   http://www.cs.unm.edu/~kmorel
>>>>>>
>>>>> _______________________________________________
>>>>> ParaView mailing list
>>>>> ParaView at paraview.org
>>>>> http://www.paraview.org/mailman/listinfo/paraview
>>>>
>>>> _______________________________________________
>>>> ParaView mailing list
>>>> ParaView at paraview.org
>>>> http://www.paraview.org/mailman/listinfo/paraview
>>>>
>>>
>>
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> ParaView mailing list
>> ParaView at paraview.org
>> http://www.paraview.org/mailman/listinfo/paraview
>
> _______________________________________________
> ParaView mailing list
> ParaView at paraview.org
> http://www.paraview.org/mailman/listinfo/paraview
>

More information about the ParaView mailing list