Calling Python plotting routine from Fortran?

Question

Does anyone know how to run a Python matplotlib routine from Fortran? The way I am currently doing it is with:

            call system('python plottingV.py')

However, I'd like to be able to interact with the script (I want to give the python routine a different input file on each iteration of a do loop. Any ideas?

You could manipulate the argument to system to provide an argument to your script... — Alexander Vogt
– Alexander Vogt, Commented Jul 9, 2015 at 18:32

Jacques de Hooge · Accepted Answer · 2015-07-09 18:33:25Z

2

The simplest thing would be to give your python script a command line parameter, namely the input file name. Something like:

call system ('python plottingV.py myInputFile1.dat')

You can then use sys.argv[1] to obtain the input file name in your python script.

answered Jul 9, 2015 at 18:33

Jacques de Hooge

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3 Comments

francescalus Over a year ago

Is there any reason to recommend system over Fortran's execute_command_line?

Jacques de Hooge Over a year ago

execute_command_line would be better, since it is standard, but it is not yet supported by all compilers

Vladimir F Героям слава Over a year ago

Notably Intel Fortran did not recently support execute_command_line yet.

Time Laird · Accepted Answer · 2015-07-12 04:45:33Z

-1

Here is a basic pyplot-fortran interface that might be useful.

answered Jul 12, 2015 at 4:45

Time Laird

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