public void removeRegion(RectRegion region) {
regions.remove(region);
}
/**
* @param region
* @return
*/
public XYRegionFormatterType getRegionFormatter(RectRegion region) {
return regions.get(region);
}
public void addRegion(RectRegion region, XYRegionFormatterType regionFormatter) {
regions.addToBottom(region, regionFormatter);
}