[Paraview] ParaView Digest, Vol 114, Issue 25

Jimmy Chen migichen at gmail.com
Mon Oct 14 14:58:30 EDT 2013


Thank you, Samual, for providing me many choices.

Regards,
Jimmy

> Date: Thu, 10 Oct 2013 08:35:33 -0600
> From: Samuel Key <samuelkey at bresnan.net>
> Subject: Re: [Paraview] ParaView Digest, Vol 114, Issue 20
> To: paraview at paraview.org
> Message-ID: <5256BB35.30201 at bresnan.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Jimmy,
>
> OK, if you are looking for a binary, portable, single-file format, take
> a look at the ExodusII reader in ParaView. Since it is in current use by
> a number of ParaView-supporting organizations, it is likely one of the
> best supported reader implementations in ParaView. It allows the direct
> selection of element blocks, node-sets, side-sets, et cetera without use
> of the Extract Block filter. (The ExodusII database contains only one
> copy of the nodal point coordinates and finite element connectivity for
> all time steps. However, for big models and a large number of time
> steps, the single file can get very large -- 4GB and up.)
>
> You will have to obtain, compile, install and implement an ExodusII
> writer in your customer's simulation software. To get a look at the
> source and documentation go here:
>
> http://sourceforge.net/projects/exodusii/
>
> and here:
>
> http://sourceforge.net/projects/seacas/?source=recommended
>
> Regards,
>
> Sam Key
>
>
>
>
> On 10/9/2013 11:57 PM, Jimmy Chen wrote:
>> Samuel,
>>
>> Thank you very much for the timely help.  The pvd example is very
>> helpful.  Although the client may still want all segments in a single
>> file, at least we now know what tool to use for the segment-selection
>> interface.  I'll keep looking for a single-file format but I doubt
>> there is any.
>>
>> Thanks,
>> Jimmy
>>
>> ------------------------------
>> Date: Tue, 08 Oct 2013 09:23:31 -0600
>> From: Samuel Key <samuelkey at bresnan.net>
>> Subject: Re: [Paraview] Which polygon file reader in Paraview has
>>          interface to show/hide separate segments?
>> To: paraview at paraview.org
>> Message-ID: <52542373.1030108 at bresnan.net>
>> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>>
>> Jimmy,
>>
>> I have attached a file named 'fmavto.pvd' that is an ASCII-text file. It
>> is a meta-file that references a series of XML-formatted *.vtu files.
>>
>> ParaView reads the *.pvd file and then knows how to "assemble" the files
>> referenced within the *.pvd file. The important key-words in the *.pvd
>> files are 'timestep=...' and 'file=...' Note that the individual *.vtu
>> files contain the data needed for a displayable graphics object.
>>
>> The key-word 'name=...' is gratuitous user-information. The key-word
>> 'name=...' for a couple of ParaView versions around 2007 would pass this
>> user-information to the Extract Block filter; currently (PV version
>> 4.0.1) the ASCII-text strings are no longer passed to the Extract Block
>> filter.
>>
>> However, the Extract Block filter does reflect the structure implied by
>> the *.pvd file; the filter simply uses the ubiquitous and
>> not-very-helpful C-language off-set addresses of 0,1,2,3,... for the
>> block names.
>>
>> Because of the large number of ASCII-text files that can be generated in
>> a transient dynamic simulation with multiple material domains using the
>> vtk-formats, sometime back I switched to the EnSight binary-formatted
>> output. In this format it is possible to provide names that will appear
>> in the Extract Block filter.
>>
>> Hope this helps,
>>
>> Regards,
>>
>> Sam Key
>>
>> On 10/7/2013 8:35 PM, Jimmy Chen wrote:
>>> Samuel,
>>>
>>> Thank you very much for the quick reply.  I tried your EnSight example
>>> and could select different polygons by using "Extract Blocks" filter.
>>> VTK's example EnSight datasets also allows doing so.
>>>
>>> Besides, *.vtp or *.pvtp files are not working for me.   What content
>>> should be put into vtp files to enable Paraview "Extract Blocks"?  If
>>> you also have a working vtp example that will be very helpful.
>>>
>>> Thanks and best regards,
>>> Jimmy
>>>
>>> -------------------------------------------------------------
>>> Date: Mon, 07 Oct 2013 09:03:40 -0600
>>> From: Samuel Key <samuelkey at bresnan.net>
>>> Subject: Re: [Paraview] Which polygon file reader in Paraview has
>>>           interface to show/hide separate segments?
>>> To: paraview at paraview.org
>>> Message-ID: <5252CD4C.7090805 at bresnan.net>
>>> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>>>
>>> Jimmy,
>>>
>>> I have had success with two different ParaView readers doing what you
>>> have described.
>>>
>>> It is material domains that I want to examine as distinct. However,
>>> ParaView does not care if it is a serially-generated set of material
>>> domain, a set of processor domain results, or any criterion you want to
>>> use. Each domain needs to be a "displayable graphics object."
>>>
>>> Case(1) *.vtp XML format
>>>
>>> Case(2) EnSight Gold format using that format's Part-construct.
>>>
>>> In either case, ParaView's Extract Group filter allows one to select any
>>> combination of domains to display. Multiple extracted sub-domains can
>>> appear together in one window and/or in separate windows.
>>>
>>> A small file that will let you explore this capability is attached.
>>>
>>> Samuel W Key
>>> FMA Development, LLC
>>> 1005 39th Ave NE
>>> Great Falls, Montana 59404
>>> USA
>>>
>>>
>>>
>>> On 10/6/2013 9:14 PM, Jimmy Chen wrote:
>>>> Hello,
>>>>
>>>> We generate several segments of polygonal meshes and our client wants
>>>> to store them into a single file and to view on Paraview.  Since the
>>>> data contains several pre-segmented mesh pieces, they want to view
>>>> each piece separately in Paraview. Is there a file format supporting
>>>> composite datasets and has a Paraview interface to show some of them?
>>>>
>>>> We have looked into .vtp and .pvtp formats.
>>>> For .vtp XML format, although we can store different segment in
>>>> different <piece> tags, Paraview seem to regard them as one piece of
>>>> data.
>>>> For .pvtp format, each component is stored into a different file,
>>>> which is not what our client want.
>>>>
>>>> Although we can always create our reader plugin for Paraview, I am
>>>> wondering whether there already exists this kind of file format saving
>>>> segments in one file, with a segment-selectable Paraview interface.
>>>>
>>>>
>>>> Thanks and have a nice day.
>>>> Jimmy Chen
>>> _______________________________________________
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>>>
>>> Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView
>>>
>>> Follow this link to subscribe/unsubscribe:
>>> http://www.paraview.org/mailman/listinfo/paraview
>>>
>> -------------- next part --------------
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>> Desc: not available
>> URL: <http://www.paraview.org/pipermail/paraview/attachments/20131008/8ba2936c/attachment-0001.bin>
>>
>> On Tue, Oct 8, 2013 at 12:00 PM,  <paraview-request at paraview.org> wrote:
>>> Send ParaView mailing list submissions to
>>>          paraview at paraview.org
>>>
>>> To subscribe or unsubscribe via the World Wide Web, visit
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>>> or, via email, send a message with subject or body 'help' to
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>>> When replying, please edit your Subject line so it is more specific
>>> than "Re: Contents of ParaView digest..."
>>>
>>>
>>> Today's Topics:
>>>
>>>     1. Re: How to connect to X Server automatically when
>>>        doingcatalyst live data visualization. (Andy Bauer)
>>>     2. Re: Which polygon file reader in Paraview has interface to
>>>        show/hide separate segments? (Samuel Key)
>>>     3. Re: Plotting an integrated variable over time (Moreland, Kenneth)
>>>
>>>
>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Tue, 8 Oct 2013 09:43:31 -0400
>>> From: Andy Bauer <andy.bauer at kitware.com>
>>> Subject: Re: [Paraview] How to connect to X Server automatically when
>>>          doingcatalyst live data visualization.
>>> To: ??? <xiemaojin at sccas.cn>
>>> Cc: paraview <paraview at paraview.org>
>>> Message-ID:
>>>          <CAMaOp+HUCFfDz+3hvBedr-fFq0CBQuAdvAUmydR9fQSucnNXxA at mail.gmail.com>
>>> Content-Type: text/plain; charset="gb2312"
>>>
>>> Hi,
>>>
>>> I think this is an issue with the set up of your cluster. Unless ParaView
>>> uses OSMesa to do rendering it needs a window for rendering.
>>>
>>> Regards,
>>> Andy
>>>
>>>
>>> On Tue, Oct 8, 2013 at 5:40 AM, ??? <xiemaojin at sccas.cn> wrote:
>>>
>>>> Hi All,
>>>>
>>>> ** **
>>>>
>>>> I'm annoying by a Paraview catalyst problem. When doing parallel live data
>>>> insitu visualization in client-server mode, I have to manually login to all
>>>> desktops of all server nodes first, else it'll complain that "cannot
>>>> connect to X Server"
>>>>
>>>> * *
>>>>
>>>> As our simulation cluster equips with two CUDA enable GPU cards in each
>>>> node, how should I configure it to make Paraview take use of GPU
>>>> acceleration function while don't need to login to desktops each time I
>>>> decide to launch a parallel visualization task?
>>>>
>>>> ** **
>>>>
>>>> I have some fundamental knowledge about parallel visualization with OpenGL
>>>> and Cg/GLSL under Linux cluster, that's I have to configure XDisplay under
>>>> /etc/X11/xorg.conf and call XOpenDisplay() in my code to make GPU
>>>> acceleration available. Does this similar to paraview or help to understand
>>>> the Paraview's style?
>>>>
>>>> ** **
>>>>
>>>> BTW, is there a way to make the visualization nodes available to multiple
>>>> end users?  Currently, if one login to the node?s desktop, others cannot
>>>> login to the nodes? desktop again.
>>>>
>>>> ** **
>>>>
>>>> My environment is a GPU cluster,  CentOS and Paraview 4.0.0
>>>>
>>>> ** **
>>>>
>>>> Thank you.
>>>>
>>>>
>>>> ------------------------------
>>>> Maojin XIE
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Powered by www.kitware.com
>>>>
>>>> Visit other Kitware open-source projects at
>>>> http://www.kitware.com/opensource/opensource.html
>>>>
>>>> Please keep messages on-topic and check the ParaView Wiki at:
>>>> http://paraview.org/Wiki/ParaView
>>>>
>>>> Follow this link to subscribe/unsubscribe:
>>>> http://www.paraview.org/mailman/listinfo/paraview
>>>>
>>>>
>>> -------------- next part --------------
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>>>
>>> ------------------------------
>>>
>>> Message: 2
>>> Date: Tue, 08 Oct 2013 09:23:31 -0600
>>> From: Samuel Key <samuelkey at bresnan.net>
>>> Subject: Re: [Paraview] Which polygon file reader in Paraview has
>>>          interface to show/hide separate segments?
>>> To: paraview at paraview.org
>>> Message-ID: <52542373.1030108 at bresnan.net>
>>> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>>>
>>> Jimmy,
>>>
>>> I have attached a file named 'fmavto.pvd' that is an ASCII-text file. It
>>> is a meta-file that references a series of XML-formatted *.vtu files.
>>>
>>> ParaView reads the *.pvd file and then knows how to "assemble" the files
>>> referenced within the *.pvd file. The important key-words in the *.pvd
>>> files are 'timestep=...' and 'file=...' Note that the individual *.vtu
>>> files contain the data needed for a displayable graphics object.
>>>
>>> The key-word 'name=...' is gratuitous user-information. The key-word
>>> 'name=...' for a couple of ParaView versions around 2007 would pass this
>>> user-information to the Extract Block filter; currently (PV version
>>> 4.0.1) the ASCII-text strings are no longer passed to the Extract Block
>>> filter.
>>>
>>> However, the Extract Block filter does reflect the structure implied by
>>> the *.pvd file; the filter simply uses the ubiquitous and
>>> not-very-helpful C-language off-set addresses of 0,1,2,3,... for the
>>> block names.
>>>
>>> Because of the large number of ASCII-text files that can be generated in
>>> a transient dynamic simulation with multiple material domains using the
>>> vtk-formats, sometime back I switched to the EnSight binary-formatted
>>> output. In this format it is possible to provide names that will appear
>>> in the Extract Block filter.
>>>
>>> Hope this helps,
>>>
>>> Regards,
>>>
>>> Sam Key
>>>
>>> On 10/7/2013 8:35 PM, Jimmy Chen wrote:
>>>> Samuel,
>>>>
>>>> Thank you very much for the quick reply.  I tried your EnSight example
>>>> and could select different polygons by using "Extract Blocks" filter.
>>>> VTK's example EnSight datasets also allows doing so.
>>>>
>>>> Besides, *.vtp or *.pvtp files are not working for me.   What content
>>>> should be put into vtp files to enable Paraview "Extract Blocks"?  If
>>>> you also have a working vtp example that will be very helpful.
>>>>
>>>> Thanks and best regards,
>>>> Jimmy
>>>>
>>>> -------------------------------------------------------------
>>>> Date: Mon, 07 Oct 2013 09:03:40 -0600
>>>> From: Samuel Key <samuelkey at bresnan.net>
>>>> Subject: Re: [Paraview] Which polygon file reader in Paraview has
>>>>           interface to show/hide separate segments?
>>>> To: paraview at paraview.org
>>>> Message-ID: <5252CD4C.7090805 at bresnan.net>
>>>> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>>>>
>>>> Jimmy,
>>>>
>>>> I have had success with two different ParaView readers doing what you
>>>> have described.
>>>>
>>>> It is material domains that I want to examine as distinct. However,
>>>> ParaView does not care if it is a serially-generated set of material
>>>> domain, a set of processor domain results, or any criterion you want to
>>>> use. Each domain needs to be a "displayable graphics object."
>>>>
>>>> Case(1) *.vtp XML format
>>>>
>>>> Case(2) EnSight Gold format using that format's Part-construct.
>>>>
>>>> In either case, ParaView's Extract Group filter allows one to select any
>>>> combination of domains to display. Multiple extracted sub-domains can
>>>> appear together in one window and/or in separate windows.
>>>>
>>>> A small file that will let you explore this capability is attached.
>>>>
>>>> Samuel W Key
>>>> FMA Development, LLC
>>>> 1005 39th Ave NE
>>>> Great Falls, Montana 59404
>>>> USA
>>>>
>>>>
>>>>
>>>> On 10/6/2013 9:14 PM, Jimmy Chen wrote:
>>>>> Hello,
>>>>>
>>>>> We generate several segments of polygonal meshes and our client wants
>>>>> to store them into a single file and to view on Paraview.  Since the
>>>>> data contains several pre-segmented mesh pieces, they want to view
>>>>> each piece separately in Paraview. Is there a file format supporting
>>>>> composite datasets and has a Paraview interface to show some of them?
>>>>>
>>>>> We have looked into .vtp and .pvtp formats.
>>>>> For .vtp XML format, although we can store different segment in
>>>>> different <piece> tags, Paraview seem to regard them as one piece of
>>>>> data.
>>>>> For .pvtp format, each component is stored into a different file,
>>>>> which is not what our client want.
>>>>>
>>>>> Although we can always create our reader plugin for Paraview, I am
>>>>> wondering whether there already exists this kind of file format saving
>>>>> segments in one file, with a segment-selectable Paraview interface.
>>>>>
>>>>>
>>>>> Thanks and have a nice day.
>>>>> Jimmy Chen
>>>> _______________________________________________
>>>> Powered by www.kitware.com
>>>>
>>>> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>>>>
>>>> Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView
>>>>
>>>> Follow this link to subscribe/unsubscribe:
>>>> http://www.paraview.org/mailman/listinfo/paraview
>>>>
>>> -------------- next part --------------
>>> A non-text attachment was scrubbed...
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>>>


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