The main window itself shows the contents of this directory, that is, all the files in the directory, as well as any sub-directories. The hierarchy of directories may be traversed on available directory paths as with any other X-WIndows application. Additional parameters may be specified for IPT, JPEG, and TIF file types. See below for descriptions of these options. If you do not understand what the additional options do, accept the default values.
Higher number means higher quality and larger file.
Usually not necessary to perform any smoothing. Force image to grayscale and create a monochrome image file. Allows for progressive levels of resolution refinement while loading the image with a web browser. Default byte order selects the appropriate value for the current platform. Close Current Image Closes the currently active image.