private static Element matrix4d2Transform(Matrix4d matrix4d) { Element transform = new BaseElement("Transform"); Element m0 = new BaseElement("m0"); m0.addText( matrix4d.getM00() + " " + matrix4d.getM01() + " " + matrix4d.getM02() + " " + matrix4d.getM03() + "."); transform.add(m0); Element m1 = new BaseElement("m1"); m1.addText( matrix4d.getM10() + " " + matrix4d.getM11() + " " + matrix4d.getM12() + " " + matrix4d.getM13() + "."); transform.add(m1); Element m2 = new BaseElement("m2"); m2.addText( matrix4d.getM20() + " " + matrix4d.getM21() + " " + matrix4d.getM22() + " " + matrix4d.getM23() + "."); transform.add(m2); Element m3 = new BaseElement("m3"); m3.addText( matrix4d.getM30() + " " + matrix4d.getM31() + " " + matrix4d.getM32() + " " + matrix4d.getM33() + "."); transform.add(m3); return transform; }