The images can be displayed in various size (full size, best fit to window, 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, and double of the original size). Following show the "best fit" and "full size".
Various measurements can be done to the images, including length (distance between 2 points), length and width of rectangular, elliptical, and irregular regions of interests. Following show (1) line measurement (width of od), (2) rectangular measurement, (3) elliptical measurement, and (4) irregular ROI measurement.