New programs include conpix , to operate on all of the pixels of an image, gettab , to extract values from tab table data base files, and newfits , to create dataless or blank FITS image files. Large numbers of command line arguments are now dealt with gracefully by delhead , gethead , keyhead , and sethead . Bugs have been fixed in imwcs and imcat coordinate handling. A bug was fixed in all catalog reading programs so that catalog numbers are now preserved when the number of stars found exceeds the number desired. More robust methods are used to decide image and catalog file types.
All files now transfer the extension from the input file if writing a new file.
28 July 1998 delwcs has been added to delete all added WCS information from an image header. Bugs were fixed in .imh image access. A major bug was fixed in writing .imh images. Quad cube projections such as CSC were fixed in wcslib.c and wcs.c. Add equinox date option to scat and imcat .