[Paraview] Bug in ExtractBlock?

[David E DeMarle]

Actually, a better solution is to apply the Merge Blocks filter after
the Extract Block filter. Then you shouldn't have to save and reopen.

But to answer your question, save it as a vtm file and then open up
the directory pointed to by the .vtm file and open up the one vtk file
inside.

David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909



On Tue, Nov 8, 2011 at 12:43 PM, Fred Fred <stan1313 at hotmail.fr> wrote:
> Hmmm, how do you do it?
> If I use the Save Data submenu, I am asked to save it as a multi-block
> dataset and, as expected, I get back a multiblock dataset when I read it
> again!
>
>> From: dave.demarle at kitware.com
>> Date: Tue, 8 Nov 2011 07:20:47 -0500
>> Subject: Re: [Paraview] Bug in ExtractBlock?
>> To: utkarsh.ayachit at kitware.com
>> CC: stan1313 at hotmail.fr; paraview at paraview.org
>>
>> A work around is to write out the data and read it back in.
>>
>> David E DeMarle
>> Kitware, Inc.
>> R&D Engineer
>> 21 Corporate Drive
>> Clifton Park, NY 12065-8662
>> Phone: 518-881-4909
>>
>>
>>
>> On Tue, Nov 8, 2011 at 7:15 AM, Utkarsh Ayachit
>> <utkarsh.ayachit at kitware.com> wrote:
>> > Nope, that's expected behavior. ExtractBlock will always still produce
>> > a multi-block dataset. Without going too much into details, the
>> > requirements of VTK pipeline make it tricky to write a filter that
>> > produces a structured data-set from by extracting a block from a input
>> > composite dataset.
>> >
>> > On Mon, Nov 7, 2011 at 6:38 AM, Fred Fred <stan1313 at hotmail.fr> wrote:
>> >> Hello,
>> >> I have a dataset that is actually a multi-block with just a single
>> >> curvilinear block and I would like to convert it in a simple
>> >> curvilinear
>> >> dataset. I expected that ExtractBlock would make the job, since it is
>> >> supposed to delete the umbrella structure when just a single block
>> >> remains
>> >> and the Prune Output option is selected, which is teh default BTW.
>> >> But the output is exactly the same as the input.
>> >> Bug of the ExtractBlock implementation?
>> >> Configuration: ParaView-3.10.1 64 bits Mac OsX Snow Leopard
>> >>
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