[Paraview] [EXT] Re: Using Pandas in Paraview v5.4.1

Mon May 14 10:24:04 EDT 2018

Scott,

I assume that if I compile a ParaView executable with pandas included, then I could distribute my plugin as xml and everyone could access it.    I’m a little unsure but I assume I would also have to recompile the server that we are using on an HPC cluster to include pandas.   I’m beginning to see why adding pandas to ParaView has been delayed a few times.

Dennis

From: Scott Wittenburg [mailto:scott.wittenburg at kitware.com]
Sent: Friday, May 11, 2018 3:08 PM
To: Dennis Conklin <dennis_conklin at goodyear.com>
Cc: Paraview (paraview at paraview.org) <paraview at paraview.org>
Subject: Re: [EXT] Re: [Paraview] Using Pandas in Paraview v5.4.1

Hi Dennis,

I'm not sure I understand precisely what you mean when you say "compile here with an external python".  Do you mean compiling your plugin (which would imply not a simple xml plugin), or compiling ParaView?  Even if you compile ParaView on your end with an external python, I don't see how that will result in something that will allow you to distribute your plugin as xml.  You could try to distribute a custom ParaView binary (which includes your new plugin as well as pandas python modules), but for that you would normally need to use the ParaView superbuild.  Even then I think you would have to tweak the superbuild to get the python to include pandas.

Hopefully someone out  there with more knowledge can chime in and provide some hints or suggestions.  Then maybe we'll find out what you want to do it quite easy, in which case I'll be excited to learn about it :-)

Cheers,
Scott

p.s.  I'm sure you may have read through this before, but just in case (or for people who come across this later):

https://www.paraview.org/Wiki/ParaView/Plugin_HowTo<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.paraview.org%2FWiki%2FParaView%2FPlugin_HowTo&data=01%7C01%7Cdennis_conklin%40goodyear.com%7Caaa51a7dfa554f96298a08d5b77288bc%7C939e896692854a9a9f040887efe8aae0%7C0&sdata=xbwuecNf2e9PbFYvKjpfDbZS3k6TMAf67OYmHW2S50E%3D&reserved=0>

On Fri, May 11, 2018 at 12:28 PM, Dennis Conklin <dennis_conklin at goodyear.com<mailto:dennis_conklin at goodyear.com>> wrote:
Scott,

Interesting idea and I was not aware of any of that.

I should be specific that I need to make an xml Server side plugin for general distribution that needs to call pandas to execute.   So I don’t think I can get everyone here to load up that virtual environment and install pandas.

I think I’m hearing that pandas for everyone is not available unless I compile here with an external python, right?

Thanks
Dennis

From: Scott Wittenburg [mailto:scott.wittenburg at kitware.com<mailto:scott.wittenburg at kitware.com>]
Sent: Friday, May 11, 2018 1:21 PM
To: Dennis Conklin <dennis_conklin at goodyear.com<mailto:dennis_conklin at goodyear.com>>
Cc: Paraview (paraview at paraview.org<mailto:paraview at paraview.org>) <paraview at paraview.org<mailto:paraview at paraview.org>>
Subject: [EXT] Re: [Paraview] Using Pandas in Paraview v5.4.1

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Hello Dennis,

Depending on how you want to use pandas within ParaView, one approach that could work involves creating a virtual environment and installing pandas there.  Then a couple of lines of python can make modules installed in that virtualenv available from pvpython.  See this blog post for more information:

https://blog.kitware.com/using-pvpython-and-virtualenv/<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fblog.kitware.com%2Fusing-pvpython-and-virtualenv%2F&data=01%7C01%7Cdennis_conklin%40goodyear.com%7Cc0392a7911e348a9ddbf08d5b7639c21%7C939e896692854a9a9f040887efe8aae0%7C0&sdata=uJvHsBJNCGSTeklLNAk5QDZ48Ykdf1bdazrnW851AKw%3D&reserved=0>

Hope this helps,
Scott

On Fri, May 11, 2018 at 11:11 AM, Dennis Conklin <dennis_conklin at goodyear.com<mailto:dennis_conklin at goodyear.com>> wrote:
All,

I need some pandas functions for some filters.    Pandas, unfortunately is not a simple library (there is no pands.py) – it needs to be installed into your version of python as a module.    How can I get this in Paraview (hopefully, without compiling from source).    Can I install pandas into the python installation included with the PV download?

Thanks

Dennis

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