groupingForce = forceInABox()
.size([width, height-100])
.template(template)
.groupBy("group")
.strength(forceInABoxStrength)
.links(graph.links)
.enableGrouping(useGroupInABox)
.linkStrengthInterCluster(linkStrengthInterCluster)
.linkStrengthIntraCluster(linkStrengthIntraCluster)
.forceLinkDistance(forceLinkDistance)
.forceLinkStrength(forceLinkStrength)
.forceCharge(-forceCharge)
.forceNodeSize(forceNodeSize)