You can create rectangular, irregular, or elliptical area selections. You can create line and point selections. Edit selections and create them automatically using the wand. Fill, clear, filter, measure, or draw selections. You can save your selections and transfer them into other images. Smoothing, sharpening and edge detection are all possible on both 8-bit grayscale images and RGB color images. Adjust brightness and contrast for 8-, 16-, and 32 bit images interactively Measure area, average, standard deviation, min. and maximum of selections or the entire image. Measure lengths and angles. Use real world measurement units like millimeters. Calibrate using density standards. Generate profile plots and histograms.