* Generiert die Grafikobjekte, oder liefert die bestehenden.
* @return the gfx
*/
public Vector<NEabstractGraphicObject> getGfx(){
if(gfx == null){
gfx = new NEgfx(this);
gfx.addAll(this.getOwnGfx());
}
if (children.size()>0){
gfx = new NEgfx(this);
gfx.addAll(this.getOwnGfx());
gfx.addAllNoPathCorr(this.getChildGfx());
}
return gfx.getContent();