for(int i=0;i<placeNodeList.getLength();i++){
            String id = placeNodeList.item(i).getAttributes().getNamedItem("id").getNodeValue();
            float[] xy = getPNMLElementCoordinatesXY(pnmlXml, id);
            String nTokenS = (String) XMLUtils.execXPath(placeNodeList.item(i), "./*[local-name()='initialMarking']/*[local-name()='text']", XPathConstants.STRING);
            int nToken = 0;