addPointStyle method
Add a pointstyle
as symbolizer to the rule xml element.
Implementation
void addPointStyle(PointStyle style) {
var pointFragment = makePointStyleBuildFragment(style);
ruleXmlElement.children.add(pointFragment);
var pSym = PointSymbolizer(pointFragment.children.first as xml.XmlElement);
pointSymbolizers.add(pSym);
}