SAOImageDS9 is an astronomical imaging and data visualization
application. DS9 is a stand-alone application which supports FITS
images and binary tables, multiple frame buffers, region manipulation,
and many scale algorithms and colormaps. DS9 supports a consistent set
of GUI and functional capabilities, as well as advanced features such
as 2-D, 3-D and RGB frame buffers, mosaic images, tiling, blinking,
geometric markers, colormap manipulation, scaling, arbitrary zoom,
cropping, rotation, pan, and a variety of coordinate systems. The GUI
for DS9 is user configurable. GUI elements such as the coordinate
display, panner, magnifier, horizontal and vertical graphs, button
bar, and color bar can be configured via menus or the command line.
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