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Old   April 19, 2012, 13:40
Angry default servers in paraview
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Titus van den Brink
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Every time I start Paraview from the terminal it tries to connect to servers that are non existent. This may take minutes! I tried to find the server.pvsc files that are described in the Paraview wiki but can't find them. Who tackled this problem and is willing to help? I use the compiled OpenFoam 1.7 version of the ETH Zurich (http://www.ifd.mavt.ethz.ch/educatio...foam/of-macosx)

Last edited by Titus; April 19, 2012 at 14:59.
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Old   April 19, 2012, 17:07
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Greetings Titus,

I don't have a Mac, but I think it's best that you remove the ParaView 3.8.1 provided at that page and replace it with either 3.12.0 or 3.14.0/1 from here: http://www.paraview.org/paraview/resources/software.php

Best regards,
Bruno
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Old   April 20, 2012, 11:36
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Thank you for the suggestion. I did but the first thing the 3.14.1 does is trying to connect non existent servers...

Best regards
Titus
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Old   April 20, 2012, 13:30
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Move this file to the thrash then restart:
your_user/Library/Preferences/paraview.plist

If it doesn't work delete again the above mentioned file (which will have been re-created by now) and the following (using the Terminal):
your_user/.config/ParaView

This way you'll lose all of your preferences in Paraview but you'll probably solve your problem.
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Old   April 21, 2012, 04:09
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Thank you, but no solution found yet.

I can not find titus/Library/Preferences/paraview.plist

I did find however a folder titus/Library/Preferences/Recent Servers. I decided to move this folder to the trash but without effect. Restarted the computer. No effect.

Than I removed titus/.config/ParaView. No effect. (In this folder I found ParaView3.14.1.ini (and two older ini's)and server.pvsc)

After restart of ParaView 3.14.1 there a new titus/.config/ParaView was created. In this folder now only ParaView3.14.1.ini is found. I can not open this file in terminal.

Best regards

Titus
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Old   April 21, 2012, 08:42
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That is really strange... OK, try running this command for starting ParaView:
Code:
paraview -dr
It should start ParaView without using any physical registry files, nor saving to them.
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Old   April 21, 2012, 13:07
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Hello Bruno

I tried what you suggested:

titus-van-den-brinks-macbook-pro-42:RiesBouwman2 titus$ paraview -dr
-bash: paraview: command not found


I've reported my first steps in CFD on a human powered vehicle in this blog: http://openfoamforvelomobiling.blogspot.com/ I would be very happy with feedback of an experienced aerodynamisist.
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Old   April 21, 2012, 13:24
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Hi, I had a look at your blog, hope you don't mind.
Seems like a nice job to me, even though it's hard to comment on it if one cannot see the whole domain, the boundary conditions or the mesh all over your domain.

Anyway, there's some stuff I'd probably look at:
1. forces: no point in getting numbers from a time step only. You should get an average value from many time steps (i.e 300);
2. what's the Cd?
3. How many iterations did you run? 506 may not be enough… I would suggest you to look at the residual. Plot them against the time step to see if they've reached a stable and close to zero level.
4. I would narrow down the scale of the pressure as from those pictures it's really hard to understand what's going on.

Hope this helps.
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Old   April 21, 2012, 13:40
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Hi Titus,
Quote:
Originally Posted by Titus View Post
I tried what you suggested:

titus-van-den-brinks-macbook-pro-42:RiesBouwman2 titus$ paraview -dr
-bash: paraview: command not found
Where do you have ParaView installed?

Have you seen this page: http://openfoamwiki.net/index.php/Ho...using_ParaView - namely the section "Installing and using ParaView"?

Best regards,
Bruno
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Old   April 21, 2012, 15:23
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Hi Bruno,

Paraview is installed in my Applications folder:
/Applications/ParaView 3.14.1.app/

I took a look at the link you mention ("Installing and using ParaView"). I am a UNIX dummie (I use the compiled OF package for mac OS X of the ETH Zurich).

I can't find a ~/.alias file. I did find an aliases.sh and aliases.csh in the OpenFoam/etc folder. Do I have to add the alias for parafoam here or in my .profile file. Every time I start OpenFoam I run setup_foam.sh. This is a script people of the ETH Zurich provided. Maybe I can add the alias there.

I use the parafoam command on the terminal command line to start paraview.
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Old   April 21, 2012, 17:29
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Hi Titus,

Mmm... OK, at the end of "setup_foam.sh" you'll find this:
Code:
if [ ! -d ~/OpenFOAM/$LOGNAME-$OFVERSION ]; then
  hdiutil attach -mountroot ~/OpenFOAM $OFUSERIMAGE
fi

source ~/OpenFOAM/OpenFOAM-$OFVERSION/etc/bashrc
}
Add the lines in bold:
Code:
if [ ! -d ~/OpenFOAM/$LOGNAME-$OFVERSION ]; then
  hdiutil attach -mountroot ~/OpenFOAM $OFUSERIMAGE
fi

source ~/OpenFOAM/OpenFOAM-$OFVERSION/etc/bashrc

alias paraview="/Applications/ParaView\ 3.14.1.app/Contents/MacOS/paraview"
alias parax="touch case.foam && paraview --data=case.foam &"
}
After you've run setup_foam.sh and setup_foam, you should then be able to use either paraview and parax as commands as well.

I'm going to go see if I can download and unpack the images on Linux, to verify if there is anything suspicious

edit: I ended up not seeing the images, because the code is browseable here: https://github.com/themiwi/OpenFOAM-1.7.x-OSX/

Best regards,
Bruno

Last edited by wyldckat; April 21, 2012 at 17:37. Reason: see "edit:"
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Old   April 21, 2012, 17:59
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Hi Bruno,

I can use the commands paraview and parax from the terminal command line now.

tried paraview -dr and parax-dr too.

paraview keeps connecting to non existent servers still...

this is the place where I got my OF 1.7
http://www.ifd.mavt.ethz.ch/educatio...foam/of-macosx
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Old   April 21, 2012, 18:18
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OK, start a new terminal and do not use "setup_foam". Then run:
Code:
/Applications/ParaView\ 3.14.1.app/Contents/MacOS/paraview
Or:
Code:
/Applications/ParaView\ 3.14.1.app/Contents/MacOS/paraview -dr
Another question: is your machine named "wtcoost"? If it is, then it might be an issue with the firewall? Or maybe if your machine is configured to not use IPv4...
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Old   April 22, 2012, 15:12
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Thank you Bruno !

I found a temporary solution: Instead of starting via paraFoam, I start paraView. When I use the recent file option ParaView does not try to connect to non existing servers. Now I only have to wait once for ParaView trying to connect to non existing servers (as long I do not want to open or save anything). It is not perfect but works ok for now. Hope an other Apple fan solves this issue eventually.
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Old   April 25, 2012, 04:55
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I would like to add a server.pvsc file to the paraview directory. Does anyone now what this file should look like. (server declaration, port...)
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Old   April 25, 2012, 06:03
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Hi Titus,

As for the location of the folder, you probably already know this, but it's described in full here: http://paraview.org/Wiki/ParaView:Se...efault_Servers

As for the default content, this is what I've got on Linux, in the file "servers.pvsc":
Code:
<Servers>
  <Server name="builtin" resource="builtin:">
    <ManualStartup/>
  </Server>
</Servers>
Good luck!
Bruno
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