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Old   December 15, 2018, 14:06
Default ParaView - Legacy Rendering Backend
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I recently installed openFOAM v6 in Ubuntu 18.04.1 LTS. I follow the steps given at https://openfoam.org/download/6-ubuntu/. OpenFOAM is working correctly. However, when I run the paraFOAM command it opens a window titled ParaView 5.4.0 64-bit (Legacy Rendering Backend). That is, paraView does not display anything. When I installed the paraView independent of openFOAM it worked correctly.
Could someone help me solve this problem?
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Old   December 16, 2018, 14:47
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Quick questions:
  1. Which independent installation of ParaView are you referring to?
    • For example, are you referring to installing it via "apt install" or directly from paraview.org?
  2. Is Ubuntu 18.04.1 LTS installed directly on your machine, or installed inside a virtual machine or installed through Windows 10 WSL through their store?
  3. Which graphics card does your machine have and which drivers are you using with it?
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Old   October 3, 2019, 05:51
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Hello Bruno Santos and anno..


Got the solution? I am also facing the same issue..it gives nothing just shows a message ParaView5.4.1 64-bit (Legacy Rendering Backend) when I use paraFoam in my terminal.
Some comments:
1. Using Ubuntu 18.04 (pre-installed)

2. Installed via "sudo apt-get install paraview"
Thanks !
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Old   October 9, 2019, 18:29
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Quick questions @chandra shekhar pant:
  1. Which OpenFOAM version did you install?
  2. If you installed OpenFOAM 6, then have you tried OpenFOAM 7?
  3. Please do not use:
    Code:
    sudo apt-get install paraview
    Uninstall it by running:
    Code:
    sudo apt-get remove paraview
    because having the two ParaView versions can result in this kind of problem you are having.
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Old   October 10, 2019, 01:54
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Hello Bruno Santos,


Many thanks for your reply. I had seen in the previous post that you often resolve the issues by your answers/comments. Also, I found many solutions from your prior comments.



Answers to your questions:
1. OpenFoam 19.06

2. Also tried to install ParaFoam from the in-house "ThirdParty-v1906" which I got through the official website. But this had failed infinite number of times varying from different machines/different ubuntu versions etc. Qt5, Cmake etc had ruined my time. Finally, I settled by installing it through "sudo apt-get install paraview", otherwise I have no way to visualize the results. Hope now you understand my situation.


Now I am installed OpenFoam v1906 in 3-4 machines, that worked perfectly, but the parafoam is great uphill task for me.


Thanks and regards
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