SAOtng is a new version of the popular SAOimage display program. It is a superset of the ximtool program developed at NOAO for IRAF and as such, utilizes the NOAO widget server (included in this package). It also incorporates the X Public Access mechanism (XPA) to allow external processes to access and control its data, GUI functions, and algorithms. SAOtng supports direct display of IRAF images and FITS images (and easily can support other file formats), multiple frame buffers, region/cursor manipulation, several scale algorithms, many colormaps, and easy communication with external analysis tasks. It is highly configurable and extensible to meet the evolving needs of the astronomical community.
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