'Petri Nets graph image generation tool

What software or tool was used to generate these high-level petri nets graph images?
I looked for many tools but could not find that one.


from https://ieeexplore.ieee.org/document/7464291


(source: springernature.com)

from https://link.springer.com/article/10.1007/s11227-013-1055-z


from https://ieeexplore.ieee.org/document/7008450



Solution 1:[1]

There is a petri net tools database at https://www.informatik.uni-hamburg.de/TGI/PetriNets/tools/db/cpnami.html although the link for the GUI Macao tool is broken.

I have used various GraphVis based tools for this in the past https://graphviz.gitlab.io/resources/ though I have not found one to date that is really simple to use.

Generally seems that the dot format is used for petri nets, this requires coding the network as a dot file in a text editor and use various tools to render it. https://en.wikipedia.org/wiki/DOT_(graph_description_language)

Hope that helps.

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Source: Stack Overflow

Solution Source
Solution 1 Jon Guiton