How to get the images that some plugins render?

Hi, am using ProM6.7 CLI to start a script where I execute this line
component = visualize_petri_net_dot_(net);

but I get the following error:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
Am working with ProM from within a docker container with ubuntu 16.04 with no graphical environment, so I guess the error is caused by that.

My question is: Can I somehow get the images from the plugins using java code?
I need the inductive visual miner background image and a BPMN image.

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