public String toHELM2 ( ) { String output = "" ; /* first section: simple polymer section */ output += polymerToHELM2 ( ) + "$" ; /* second section: connection section */ output += connectionToHELM2 ( ) + "$" ; /* third section: grouping section */ output += groupingToHELM2 ( ) + "$" ; /* fourth section: annotation section */ output += annotationToHELM2 ( ) + "$" ; /* add version number */ output += "V2.0" ; return output ; }
method to generate for all sections a HELM2 string