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In particular there are some predefined Tcl procs that run python code, like GiD_Python_Exec which expects the python code to be evaluated.
Since GiD version 17, matplotlib modules does not come with GiD.
Install matplotlib Python module with:
-np- GiD_Python_PipInstallMissingPackages [list matplotlib]
From now on you can use the matplot module.
Example: matplotlib graph of a line
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GiD_Python_Exec does an implicit package require tohil that load it and then calls tohil::exec with the provided script.
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This demo file can be sourced ( loaded and executed ) writing this command ( replace <GiDdirectory> GIDDEFAULT is a Tcl global variable with the correct path to the GiD directory)-np- GiD_Python_Source {<GiDdirectory>/[file join $GIDDEFAULT scripts/tohil/doc/demo_matplotlib.py}]
and then this window will appear:
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