public void loadDataStringFromFile(String sFilename) throws java.io.IOException, java.io.FileNotFoundException {
  String sDataString=utils.loadFileToStringWithNewlines(sFilename);
  setDataString(sDataString);
}

public void loadDataStringFromFile ( String sFilename ) throws java . io . IOException , java . io . FileNotFoundException { String sDataString = utils . loadFileToStringWithNewlines ( sFilename ) ; setDataString ( sDataString ) ; }
creates the graph based on a data string loaded from a given file .
