How do you load a .dae file into an SCNNode in iOS SceneKit?

Question

I am having trouble understanding how geometry from .dae files should be loaded into an iOS SceneKit scene graph.

I know that you can load .dae

Answer 1

func nodeWithFile(path: String) -> SCNNode {

    if let scene = SCNScene(named: path) {

        let node = scene.rootNode.childNodes[0] as SCNNode
        return node

    } else {
        println("Invalid path supplied")
        return SCNNode()
    }

}