public void writeXML(XMLStreamWriter writer) throws XMLStreamException {
writer.writeStartElement("vizmodel");
//Fast refreh
GraphDrawable drawable = VizController.getInstance().getDrawable();
cameraPosition = Arrays.copyOf(drawable.getCameraLocation(), 3);
cameraTarget = Arrays.copyOf(drawable.getCameraTarget(), 3);
//TextModel
textModel.writeXML(writer);
//Camera