fv: FITS Viewer and Editor

New features since v2.5 include:

• Ported to MacOS
• Improved window management and improved design of some windows
• Replaced Options menu with a Preferences window which brings together and categorizes all of fv's user-controlled options
• New Auto-Plot preference
• Can turn off the Desktop Manager
• Expanded scripting capabilities via XPA mechanism
• File Selection window shows file sizes and modification dates
• POW's information/scope windows can be positioned on any side of the window or turned off altogether
• New Histogram Equalization color table for images
• New Text Label handling on graphs
• Full font control over graph labels

New features since v2.4 (FTOOLS v4.2) include:

• Accepts multiple files on the command line
• All HDU-level modifications (Cut/Paste/Append HDUs) affect the temporary file, not the original. Original file now affected only by the "Save" command.
• Revert command added which reloads last-saved version of file
• Can override fv's keyword protection of certain keywords
• Histograms make use of WCS keywords to preserve scaling when plotted
• Added option which sets default graph size (for POW)
• Plot new curves in a pre-existing graph
• Plot arithmetic expressions, not merely column data
• Create log/semi-log plots
• New, more powerful calculator

A FITS file editor developed at the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA/ GSFC

Project Scientist:

Dr. William D. Pence (pence@tetra.gsfc.nasa.gov) (301) 286-4599

Project Engineers (Raython/ITSS):

Dr. Lawrence Brown (elwin@redshift.gsfc.nasa.gov) (301) 286-4996

Dr. Peter Wilson (pwilson@milkyway.gsfc.nasa.gov) (301) 286-1508

Original author: Jianjun Xu (jxu@oao.com)

To learn of new releases and bug fixes, visit the fv web page at

    http://heasarc.gsfc.nasa.gov/ftools/fv