gexf
.setVisualization(true)
.getGraph().createNode("a")
.setLabel("glossy")
.setColor(new ColorImpl(239, 173, 66))
.setPosition(new PositionImpl(15.783598f, 40.109245f, 0.0f))
.setSize(2.0375757f)
.getShapeEntity().setNodeShape(NodeShape.DISC);
return gexf;
}