Drawing a large Petrinet

I developed a component which can generate a .txt file containing code to draw a Petrinet. Unfortunately the net is very large so I get memory problem when I try to visualize the code. The net contains about 1000 nodes (boxes and circles) and about 500 arcs. The boxes contain text. A 4 G cache memory was not able to draw the net.

Any suggestion to solve the memory problem?

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