Enhancing Images > Using the Tool Box Toolbar > Using the Drawing Tools
Use the Rectangle tool to draw a rectangle to emphasize an area of interest in an image.
To draw a rectangle:
Click .
Position the cursor over the image and click and drag diagonally to draw a rectangle. The rectangle is displayed on the image, and nodes mark each corner.
To change the properties of the rectangle, use the Annotations Properties toolbar. See Changing Annotation Properties for more information.