SAOTk Reference Manual

SAOTk is an integrated set of Tk/Tcl canvas widgets for astronomical imaging and data visualization. The widget set is composed of the Frame, Panner, Magnifier, and Colorbar widget. The Frame widget is FITS viewer for one image or a mosaic of images . The Panner widget  provides a thumbnail image for position control. The Magnifier widget provides a magnified view of part of the image. And the Colorbar widget provides  control of imaging color environment for application.

In addition to `classical' support for imaging FITS data, manipulating colormaps, region marking, coordinate readout (including WCS), etc, SAOTk widgets also support arbitrary image scaling and rotation, advanced printing and graphics, image mosaics, and shared memory.

Frame Widget

Colorbar Widget

Panner Widget

Magnifier Widget

Sample Code