How do I avoid the nodes to extend outside of the visible canvas

[nessborn]

Sometimes when loading the ForceDirected graph, some nodes gets displayed outside of the canvas area and are therefore hidden. Is there some property to set to avoid this behaviour?

// load JSON data.
fd.loadJSON(json);
// compute positions incrementally and animate.
fd.computeIncremental({
iter: 40,
property: 'end',
onStep: function (perc) {
Log.write(perc + '% loaded...');
},
onComplete: function () {
Log.write('done');
fd.animate({
modes: ['linear'],
transition: $jit.Trans.Elastic.easeOut,
duration: 2500
});
}
});