I'm trying to create multiple root nodes (perhaps different root nodes/trees) in same svg in this npm library from bumbeishvili https://github.com/bumbeishvili/org-chart which is based on d3.js but i'm unable to as I am new to it. What i want is When there is no parent provided,the child itself should be created as root node (which leads to a separate Root node). So how can we create multiple root nodes (as single roots which has same properties as tree) similar to this http://bl.ocks.org/ialarmedalien/c92a58f2fee695c3931c1b6e30540d98.