[graph-tool] setting vp.pos to emphasize block structure in state.draw?

hi there, are there any tips to set the position vertex property so that group structure is visible, as in this picture? https://graph-tool.skewed.de/static/doc/_images/football-sbm-fit.svg cheers, -sam -- Sent from: http://main-discussion-list-for-the-graph-tool-project.982480.n3.nabble.com/