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I'm looking for a remote machine to generate a Plot, and save the file so that I can import it and manipulate it as a standard Mathematica object later. How do you export the object as such? I can export to a PDF, but not to a data form where I can later import and manipulate.

A sketch of the workflow I would like: On remote machine:

plot = Plot[Sin[x], {x, 0, 10}, ImageSize -> Small];
Export["/path/file.ext", plot]

Transfer the file, then on local machine import and manipulate:

plot = Import["/path/file.ext"];
Show[plot, ImageSize -> Large]

I'm not looking to make a Table of values because I am leaving Mathematica to optimise the plot sampling (function evaluation is very expensive). I don't mind extracting the values it created in order to recreate the Plot, but I also don't know how to do that. Also, the remote machine is running in command-line mode.

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  • $\begingroup$ Try usingDumpSave and Get $\endgroup$ – m_goldberg Sep 10 '16 at 16:27
  • $\begingroup$ @m_goldberg, the Get call gives me $Failed. Both computers run Linux, but the remote machine has version 11, whereas the local has version 10.2, maybe that might be causing it? $\endgroup$ – bjorne Sep 10 '16 at 16:40
  • $\begingroup$ Is there any way to get more information from the error? $\endgroup$ – bjorne Sep 10 '16 at 16:51
  • $\begingroup$ My bad, DumpSave can be platform and version dependent. Mainly intended for use on a single machine, not for transferring objects between systems running different versions of Mathematica. $\endgroup$ – m_goldberg Sep 10 '16 at 16:53
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plot = Plot[Sin[x], {x, 0, 10}, ImageSize -> Small];

pts = Cases[plot, Line[pts_] :> pts, Infinity][[1]];

Export["pts.csv", pts];

At the second machine

pts2 = Import["pts.csv"];

ListLinePlot[pts2, ImageSize -> Large]
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I don't have a multi-system environment to test this with, but you might try

Put[plot, FileNameJoin[{..., "plot.m"}]]

on one system and

Get[FileNameJoin[{..., "plot.m"}]]

You need to replace ... with the proper network path for the file, of course.

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  • $\begingroup$ Thanks for this. The Put command on the remote machine returns Put::stream: -Graphics- is not a string, SocketObject, InputStream[ ], or OutputStream[ ]. $\endgroup$ – bjorne Sep 10 '16 at 17:12
  • $\begingroup$ @bjorne. Don't Put directly to the remote machine. Have Put write to your local machine. Transfer the file to the remote machine with a system utility, and then do the Get on the remote machine from the transferred file. $\endgroup$ – m_goldberg Sep 10 '16 at 18:54
  • $\begingroup$ That's what I was doing (but in the opposite direction, because I want the remote machine to do the heavy lifting, so it needs to do the Put). All Mathematica actions were local, and the file transfer was a system utility. $\endgroup$ – bjorne Sep 10 '16 at 19:08

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