idraw
The idraw utility mentioned several times in this documentation
is a freely distributable interactive drawing editor for the X
Window System. It may be used to edit the output of graph -T
ps, or, in general, the output of any application that uses the
Postscript Plotter support contained in libplot.
The current version of idraw is maintained by Vectaport, Inc.,
and is available at their Web site.
It is part of the ivtools package, which is a framework for
building custom drawing editors. idraw was originally part of
the InterViews package, developed by Stanford University and
Silicon Graphics. The InterViews package is available at
a distribution site but is no
longer supported. Retrieving the ivtools package instead is
recommended.
Also available at Vectaport's Web site
is an enhanced version of idraw called drawtool.
drawtool can import bitmapped graphics in TIFF and PBM/PGM/PPM
formats, as well as in the X11 bitmap format that idraw can
import.
xfig
The xfig utility mentioned several times in this documentation is
a freely distributable interactive drawing editor for the X Window
System. It may be used to edit the output of graph -T fig,
or, in general the output of any application that uses the
Fig Plotter support contained in libplot.
The current version is available at
ftp://ftp.x.org/contrib/applications/drawing_tools/. It can
import graphics in GIF, X11 bitmap, and Postscript formats.
Accompanying the editor is a package called transfig, which
allows xfig graphics to be exported in many formats. GIF, X11
bitmap, LaTeX, and Postscript formats are supported.
There is a Web page on Fig
format, which discusses application software packages that can
interoperate with xfig.
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