public void createUnderlying(){
  if (Platform.isFxApplicationThread()) {
    options.createUnderlying();
    this.marker=new com.lynden.gmapsfx.javascript.object.Marker(options.convert());
  }
}

public void createUnderlying ( ) { if ( Platform . isFxApplicationThread ( ) ) { options . createUnderlying ( ) ; this . marker = new com . lynden . gmapsfx . javascript . object . Marker ( options . convert ( ) ) ; } }
creates the underlying javascript peers
