[Paraview] ParaView Digest, Vol 166, Issue 7

Thu Feb 8 07:38:23 EST 2018

 Same here.

I think the unnecessarily complicated unsubscription system might be
broken. I can't reach the next step after pasting the confirmation string.
Not to mention that *there is a next step* after clicking a link in a
confirmation email and then pasting the confirmation string. Whose idea was
it to make unsubscribing more secure than most banking web sites? :)

---
Yaman Özakın *<:^)
Research Assistant - Geophysics
earth.usc.edu/~ozakin/
University of Southern California

On Thu, Feb 8, 2018 at 3:37 PM, yaman ozakin <ozakin at usc.edu> wrote:

> Same here.
>
> I think the unnecessarily complicated unsubscription system might be
> broken. I can't reach the next step after pasting the confirmation string.
> Not to mention that *there is a next step* after clicking a link in a
> confirmation email and then pasting the confirmation string. Whose idea was
> it to make unsubscribing more secure than most banking web sites? :)
>
> ---
> Yaman Özakın *<:^)
> Research Assistant - Geophysics
> earth.usc.edu/~ozakin/
> University of Southern California
>
> On Thu, Feb 8, 2018 at 2:58 PM, Ott Richard <richard.ott at erdw.ethz.ch>
> wrote:
>
>> come on! I've unsubscribed 3 times now, why do I still get these mails???
>>
>>
>> Richard Ott
>> ETH Zürich
>> PhD student
>>
>> Sonneggstrasse 5
>>
>> 8092 Zürich
>>
>> +41 44 633 89 06
>> richard.ott at erdw.ethz.ch
>>
>> ________________________________________
>> Von: ParaView [paraview-bounces at paraview.org]" im Auftrag von &
>> quot;paraview-request at paraview.org [paraview-request at paraview.org]
>> Gesendet: Mittwoch, 7. Februar 2018 18:00
>> An: paraview at paraview.org
>> Betreff: ParaView Digest, Vol 166, Issue 7
>>
>> Send ParaView mailing list submissions to
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>>
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>> than "Re: Contents of ParaView digest..."
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>>
>> Today's Topics:
>>
>>    1. file naming of downloadable data files (th.lauke at arcor.de)
>>    2. Re: PythonFullExample does not send any data (Andy Bauer)
>>    3. Re: Using Probe Filter To Get The Average Value Around A
>>       Point (Jeremias Gonzalez)
>>    4. Re: Using Probe Filter To Get The Average Value Around A
>>       Point (Moreland, Kenneth)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Tue, 6 Feb 2018 18:32:54 +0100 (CET)
>> From: th.lauke at arcor.de
>> To: paraview at paraview.org
>> Subject: [Paraview] file naming of downloadable data files
>> Message-ID: <173864583.16224.1517938374185 at mail.vodafone.de>
>> Content-Type: text/plain; charset=UTF-8
>>
>> Hi all,
>>
>> the data files https://urldefense.proofpoint.
>> com/v2/url?u=https-3A__www.paraview.org_paraview-2Ddownloads
>> _download.php-3Fsubmit-3DDownload-26version-3Dv5.4-
>> 26type-3Dbinary-26os-3DSources-26downloadFile-3DParaViewData
>> -2Dv5.4.1.tar.gz&d=DwIFAw&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H
>> 8p7CSfnc_gI&r=pOEltBBB0Tkd7ps2jHF3Rw&m=CjwAzA9C4irLYtyTmA5pL
>> 1A9-8OpnnJfRm5prt3jY30&s=RIZnMnFOPOSN6pgZvN-RcuPn6FPrUByb7kI6Gy8ATtU&e=
>> e.g. have a confusing file naming :(
>>
>> What's the intention for this? Thus I could hardly identify the wanted
>> file :[
>>
>> Many thanks for an explanation
>> Thomas
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Tue, 6 Feb 2018 17:40:40 -0500
>> From: Andy Bauer <andy.bauer at kitware.com>
>> To: "Michalke, Simon" <simon.michalke at fau.de>
>> Cc: paraview at paraview.org
>> Subject: Re: [Paraview] PythonFullExample does not send any data
>> Message-ID:
>>         <CAMaOp+ErfV4gB9sd9Aft+902jJVkn7dhimiThbzOO2Qa3T-nJg at mail.
>> gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hi Simon,
>>
>> I'm confused a to where the data is being sent from and to. If it's from
>> the simulation and to the adaptor then all of that would get done before
>> Catalyst would ever see it. If it's from the adaptor to Catalyst or to the
>> PV GUI through the Live connection you'll probably want to look at
>> coprocessing.py and grep through it for "live". I don't look too often at
>> the Live sections of the code so it would take a bit of time to go through
>> all of the details on it properly.
>>
>> Best,
>> Andy
>>
>> On Tue, Feb 6, 2018 at 10:44 AM, Michalke, Simon <simon.michalke at fau.de>
>> wrote:
>>
>> > Thank you very much, it works now.
>> >
>> > Since I am getting the initial data via http and process it manually, is
>> > there a way to "directly" open a connection and send data? I think the
>> > coprocessor structure is not suitable for my case. Something like:
>> >
>> > con = openConnection()
>> >
>> > con.sendData(data)
>> > con.sendData(data)
>> > con.sendData(data)
>> >
>> > con.close()
>> >
>> > where data is something like vtkPolyData. Or, alternatively transfer the
>> > grid at the beginning and only send the data as vtk*Array itself after
>> > first initialization.
>> >
>> > Cheers,
>> > Simon
>> >
>> >
>> > Am 2018-02-06 14:18, schrieb Andy Bauer:
>> >
>> >> In  cpscript.py you will need to change the following line:
>> >> coprocessor.EnableLiveVisualization(False, 1)
>> >>
>> >> to:
>> >> coprocessor.EnableLiveVisualization(True, 1)
>> >>
>> >> As for building VTK objects through the Python API, the VTK Examples at
>> >> https://urldefense.proofpoint.com/v2/url?u=https-3A__lorense
>> n.github.io_VTKExamples_site_Python_&d=DwIFAw&c=clK7kQUTWtA
>> VEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=pOEltBBB0Tkd7ps2jHF3Rw&m=
>> CjwAzA9C4irLYtyTmA5pL1A9-8OpnnJfRm5prt3jY30&s=dGEuCERJsl5LRJ
>> SGLNF4gQ1R2AixReuCwSAv-aynwv0&e= should have several
>> >> will help you out.
>> >>
>> >> Cheers,
>> >> Andy
>> >>
>> >> On Tue, Feb 6, 2018 at 4:37 AM, Michalke, Simon <simon.michalke at fau.de
>> >
>> >> wrote:
>> >>
>> >> Hello,
>> >>>
>> >>> I am trying to code a tool to send live data from a simulation to
>> >>> paraview. I build my paraview with the latest superbuild and with
>> system
>> >>> python (3.4m). Then I tried to run the "PythonFullExample". After
>> >>> un-commenting line 25 in fedriver.py:
>> >>> coprocessor.addscript("cpscript.py")
>> >>> the script still does not send any data. There are no error messages
>> as
>> >>> well. I made sure that paraview is listening to the correct port.
>> >>>
>> >>> In general, I cannot find any python example on how to attach values
>> to a
>> >>> poly element or a point.
>> >>>
>> >>> Regards,
>> >>> Simon Michalke
>> >>> _______________________________________________
>> >>> Powered by www.kitware.com
>> >>>
>> >>> Visit other Kitware open-source projects at
>> >>> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.kitw
>> are.com_opensou&d=DwIFAw&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8
>> p7CSfnc_gI&r=pOEltBBB0Tkd7ps2jHF3Rw&m=CjwAzA9C4irLYtyTmA5pL1
>> A9-8OpnnJfRm5prt3jY30&s=MQItyjuJK3BpTpDHXMSCoJgREBQxVS5OO8y5G8oBenU&e=
>> >>> rce/opensource.html
>> >>>
>> >>> Please keep messages on-topic and check the ParaView Wiki at:
>> >>> https://urldefense.proofpoint.com/v2/url?u=http-3A__paraview
>> .org_Wiki_ParaView&d=DwIFAw&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN
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>> pL1A9-8OpnnJfRm5prt3jY30&s=vWF8x66gwF7IEg4rcqUU7DV5QDs-PwP0lZ32XdjJwag&e=
>> >>>
>> >>> Search the list archives at: https://urldefense.proofpoint.
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>> >>> Follow this link to subscribe/unsubscribe:
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>> >>>
>> >>>
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>> ------------------------------
>>
>> Message: 3
>> Date: Tue, 6 Feb 2018 17:21:37 -0800
>> From: Jeremias Gonzalez <jgonzalez49 at ucmerced.edu>
>> To: "Moreland, Kenneth" <kmorel at sandia.gov>, ParaView
>>         <paraview at paraview.org>
>> Subject: Re: [Paraview] Using Probe Filter To Get The Average Value
>>         Around A Point
>> Message-ID: <607343c2-fbc3-6dfb-ec3d-0cc0182e51d7 at ucmerced.edu>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> Thank you very much for your explanations and suggestions. Responses
>> interspersed below.
>>
>> On 2/5/2018 4:57 PM, Moreland, Kenneth wrote:
>> > Jeremias,
>> >
>> > When you set a radius and number of points in the probe filter, then
>> the filter will randomly sample the volume within the defined sphere the
>> number of times requested. The resulting values are the field values at
>> those randomly sampled locations. >
>> > An easy way to get an average of your samples is to run the result of
>> the probe filter through the descriptive statistics filter. Look at the
>> "Statistical Model" table and it will report the mean value for each field.
>> (Note that if you are using ParaView 5.4 there is a bug, #17627, that shows
>> the Statistical Model table wrong by default. You have to also change the
>> Composite Data Set Index parameter in the Display part of the properties
>> panel to select only the Derived Statistics block.)
>> >
>> > A couple of caveats to this approach. First, because the sampling is
>> random, don't expect the exact same answer every time you run it. Second,
>> if one of the samples happens to lie outside of the mesh, that sample will
>> be filled with 0's for all fields. That will throw off the average value.
>>
>> Is there a probe setting that will simply grab all the points living in
>> the original mesh within the radius of the sphere I choose?
>>
>> >
>> > That said, another approach you might want to take is to first filter
>> the data in a way that blurs out the noise first. One way you can do that
>> is to run the Point Volume Interpolator filter. Change the Kernel to
>> something like Gaussian (the default Voronoi filter will not do the
>> averaging that you want). Set the radius appropriately. You can then probe
>> the resulting data set with a single value (radius 0) and immediate see the
>> "averaged" result.
>> >
>> > -Ken
>>
>> I don't seem to be finding any information on what exactly the Gaussian
>> kernel does with the data, so how close is it to the plain averaging I
>> would like it to be doing?
>>
>>
>> ------------------------------
>>
>> Message: 4
>> Date: Wed, 7 Feb 2018 02:45:33 +0000
>> From: "Moreland, Kenneth" <kmorel at sandia.gov>
>> To: Jeremias Gonzalez <jgonzalez49 at ucmerced.edu>
>> Cc: ParaView <paraview at paraview.org>
>> Subject: Re: [Paraview] Using Probe Filter To Get The Average Value
>>         Around A Point
>> Message-ID: <352A5591-BA22-4421-A2C3-1ADDA46D2F1D at sandia.gov>
>> Content-Type: text/plain; charset="utf-8"
>>
>> As far as I know, there is no way to get the probe filter to get all
>> points within a radius as you describe. You may instead consider the Point
>> Data to Cell Data Filter. That will for each cell take the values of all
>> attached points and average them.
>>
>> The point volume interpolator filter will create a grid (by default
>> 100^3) and, in gaussian kernel mode, will ?splat? a gaussian function onto
>> the grid from every point. Another way to think of it is that a 3D gaussian
>> function is convolved with a 3D function comprising an impulse function at
>> every point in the mesh scaled by the field value (and then sampled on the
>> grid).
>>
>> -Ken
>>
>> Sent from my iPad
>>
>> > On Feb 6, 2018, at 8:21 PM, Jeremias Gonzalez <jgonzalez49 at ucmerced.edu>
>> wrote:
>> >
>> > Thank you very much for your explanations and suggestions. Responses
>> interspersed below.
>> >
>> >> On 2/5/2018 4:57 PM, Moreland, Kenneth wrote:
>> >> Jeremias,
>> >> When you set a radius and number of points in the probe filter, then
>> the filter will randomly sample the volume within the defined sphere the
>> number of times requested. The resulting values are the field values at
>> those randomly sampled locations. >
>> >> An easy way to get an average of your samples is to run the result of
>> the probe filter through the descriptive statistics filter. Look at the
>> "Statistical Model" table and it will report the mean value for each field.
>> (Note that if you are using ParaView 5.4 there is a bug, #17627, that shows
>> the Statistical Model table wrong by default. You have to also change the
>> Composite Data Set Index parameter in the Display part of the properties
>> panel to select only the Derived Statistics block.)
>> >> A couple of caveats to this approach. First, because the sampling is
>> random, don't expect the exact same answer every time you run it. Second,
>> if one of the samples happens to lie outside of the mesh, that sample will
>> be filled with 0's for all fields. That will throw off the average value.
>> >
>> > Is there a probe setting that will simply grab all the points living in
>> the original mesh within the radius of the sphere I choose?
>> >
>> >> That said, another approach you might want to take is to first filter
>> the data in a way that blurs out the noise first. One way you can do that
>> is to run the Point Volume Interpolator filter. Change the Kernel to
>> something like Gaussian (the default Voronoi filter will not do the
>> averaging that you want). Set the radius appropriately. You can then probe
>> the resulting data set with a single value (radius 0) and immediate see the
>> "averaged" result.
>> >> -Ken
>> >
>> > I don't seem to be finding any information on what exactly the Gaussian
>> kernel does with the data, so how close is it to the plain averaging I
>> would like it to be doing?
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
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>>
>> ------------------------------
>>
>> End of ParaView Digest, Vol 166, Issue 7
>> ****************************************
>> _______________________________________________
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>
>
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