/**
* setup and render the grouped nodes in net
*
* @param gl
* @param nr
*/
void renderClusters(GL gl, GraphRenderer nr) {
clustersSetup(gl);
HashSet<Node> cl = null;
for (Node n : net.fNodes) {
cl = n.cluster;
float rad = cl.size();
if (rad > 4 && app.drawClusters) {
nr.renderFan(gl, cl, n);
}
}
}
