protected static Tuple<String,String> createTuple(String one,double two){
  return MatsimXmlWriter.createTuple(one,Double.toString(two));
}

protected static Tuple < String , String > createTuple ( String one , double two ) { return MatsimXmlWriter . createTuple ( one , Double . toString ( two ) ) ; }
convenience method to create xml attributes written by starttag ( )
