KeyEvent.VK_MINUS, 0);
keyBehavior.mapKeyToFunction(KeyboardBehavior.ZOOM_IN, KeyEvent.VK_ADD,
0);
keyBehavior.mapKeyToFunction(KeyboardBehavior.ZOOM_OUT,
KeyEvent.VK_SUBTRACT, 0);
dRenderer.addKeyboardBehavior(keyBehavior);
// Set text control properties.
final TextControl textControl = (TextControl) annotationMap
.getControl();
textControl.setCenter(true);