while (fItr.hasNext()) {
f = fItr.next();
he = f.getHalfedge();
fc = f.getFaceCenter();
do {
final WB_Point p = fc.mul(faceFactor);
p.addSelf(he.getVertex());
while (fItr.hasNext()) {
f = fItr.next();
he = f.getHalfedge();
fc = new WB_Point(f.getFaceCenter());
do {
final WB_Point p = fc.mul(faceFactor);
p.addSelf(he.getVertex());