const Graph = ForceGraph()
	.numDimensions(2)
	(document.getElementById("3d-graph"));

let curDataSetIdx;
const dataSets = getGraphDataSets();

let toggleData;
(toggleData = function() {
	curDataSetIdx = curDataSetIdx === undefined ? 0 : (curDataSetIdx+1)%dataSets.length;
	const dataSet = dataSets[curDataSetIdx];

	dataSet(Graph); // Load data set
	document.getElementById('graph-data-description').innerHTML = dataSet.description ? `Viewing ${dataSet.description}` : '';
})(); // IIFE init

let toggleDimensions = function(numDimensions) {
	Graph
		.resetState()				// Wipe nodes
		.numDimensions(numDimensions);
	dataSets[curDataSetIdx](Graph); // Reload nodes
};