the Cytoscape.js graph to apply the positions on, node id's need to match those in the given positions
an array of arrays, each of which contains a node id and the positions for a node id (as a cytoscape Position object) in this order
whether the layout could be successfully applied
Applies a preset layout matching the node id's to the first element of each subarray in pos. Nodes without matching entry in pos are set to position
{x:0,y:0}, positions without matching node id are ignored.