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Astronomical Data Analysis Software and Systems VI ASP Conference Series, Vol. 125, 1997 Gareth Hunt and H. E. Payne, eds.

FV: A New FITS File Visualization Tool
W. Pence NASA/GSFC, Code 662, Greenbelt, MD 20771 Jianjun Xu, Lawrence Brown HEASARC/HSTX, Greenbelt, MD 20771 Abstract. A new software tool, called fv, for visualizing the contents of any FITS format file is now available. Fv is a general software tool that can b e used for viewing, plotting, and editing FITS format data files. The first release of fv has a graphical user interface (GUI) that provides spreadsheet-like widgets to display data in any FITS table or image, a text widget to display FITS header keywords, and a graph widget, POW, to display images. In addition, users can plot values in two or more columns of a FITS table/image, and exp ort the plot to a PostScript file. Users can also save listings of table/image data to an ASCI I file. Future releases of fv will allow users to edit any keyword or data value in the FITS file and save the changes. The current image and graph display will also b e greatly enhanced. Fv is built as a standard part of the FTOOLS distribution for release 3.6 and higher, or is available standalone from the ftools home page.1

1

http://legacy.gsfc.nasa.gov/fto ols

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© Copyright 1997 Astronomical Society of the Pacific. All rights reserved.