R help - Jun 2006 - A doubt concerning a closed visualization of a ternaryplot

Hi all

Does someone know how can I alter the range of some variables in a
'ternaryplot' of the 'vcd' package, with the aim of make a
closed visualization of some of its regions?

Thank you in advance

Sincerely,

	Juan Carlos

"2006, A?o del Bicentenario del natalicio del Benem?rito de las Am?ricas,
Don Benito Ju?rez Garc?a".