Increasing distance between subgraphs

Question

I have the following code:

digraph g {
graph [rankdir=\"LR\" ,compound=\"true\" ];
    subgraph cluster0 {
        graph [label=\"Ready\\n\\nAllowed Purchaser Op         


        

Answer 1

I think what you are looking for (as Emden points out) are indeed the nodesep and ranksep attributes.

graph [nodesep=6, ranksep=4];

The result would be: