button7.setWidth100();
column3.addMember(button7);
// Button8: Transform elements
IButton button8 = new IButton(I18nProvider.getSampleMessages().renderingTransform());
button8.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
map.getVectorContext().drawGroup(map.getGroup(RenderGroup.SCREEN), group1,
new Matrix(0, 0, 0, 0, 150, 00));
map.getVectorContext().drawGroup(map.getGroup(RenderGroup.SCREEN), group2,