ArrayPositionConvertor xConvertor = null;
ArrayPositionConvertor yConvertor = null;
public NumberImageViewerCometeV2() {
super();
refreshingPeriodAction = new ChangeRefreshingPeriodAction();
if (widget instanceof RotaryImageViewer) {
setupRotaryImageViewer((RotaryImageViewer) widget);
}else if (widget instanceof ImageViewer) {
setupImageViewer((ImageViewer) widget);
}