addPolygonStyle method
Add a polygonstyle
as symbolizer to the rule xml element.
Implementation
void addPolygonStyle(PolygonStyle style) {
var polygonFragment = makePolygonStyleBuildFragment(style);
ruleXmlElement.children.add(polygonFragment);
var pSym =
PolygonSymbolizer(polygonFragment.children.first as xml.XmlElement);
polygonSymbolizers.add(pSym);
}