Electrostatic Potential Plot

For the electrostatic potential (ep), one can use GVasp to plot it, just run the command:

gvasp plot ep -j plot.json --save

then, one may obtain the figure.svg which plot the electrostatic potential.

Just like this,

For this task, the plot.json is like this

{
    "width": 5,
    "height": 4,
    "fontsize": 10
}

The attention of --show, --save and --json can be seen in optimization part.