Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. Automatic graph drawing has many important applications in software engineering, database and web design, networking, and in visual interfaces for many other domains.

[hptc@iliadaccess01 ~]$ mkdir graphviz
[hptc@iliadaccess01 ~]$ cd graphviz/
[hptc@iliadaccess01 graphviz]$ ls /n/sw/graphviz-2.22.2/share/graphviz/graphs/undirected/
ER.gv Heawood.gv ngk10_4.gv Petersen.gv process.gv
[hptc@iliadaccess01 graphviz]$ cp /n/sw/graphviz-2.22.2/share/graphviz/graphs/undirected/process.gv .
[hptc@iliadaccess01 graphviz]$ module load viz/graphviz-2.22.2
Loading module hpc/graphviz-2.22.2.
[hptc@iliadaccess01 graphviz]$ dot -Tjpg -o process.jpg process.gv
[hptc@iliadaccess01 graphviz]$ display process.jpg
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