This software has been compiled and tested under IRIX 5.3 and 6.2.  All of the
programs, except those that use the Silicon Graphics GL library, can be built
on other platforms.

GENERALLY USEFUL PROGRAMS INCLUDED IN THIS DISTRIBUTION:
area - MRI measurement tool
gecon - convert a GE Signa scan series to Silicon Graphics RLE format
fromge - convert a single GE Signa image to Silicon Graphics RLE format
clump - remove isolated high-intensity pixels
colourise - turn a greyscale image into a false-colour image
epicat - concatenate Advanced NMR echo-planar image files

SOME SPECIAL-PURPOSE HACKS INCLUDED IN THIS DISTRIBUTION:
glgecon - a version of gecon that uses GL instead of X11
unwarp - linearly register a warped echo-planar functional image series with an
	 unwarped anatomical image
segment - driver for Brian Egaas's double-echo, homogeneity-corrected
	  maximum-liklihood tissue segmentation program
boundary_interpolate - calculate boundaries of brain area on interpolated slices

Some of these programs use the Silicon Graphics image library.  If you want to
build these on non-SGI platforms, you'll need to obtain the source code for
libimage.a and compile it on your system.  This source code is part of the
optionally installed 4Dgifts distribution that comes with the IRIX Development
Option.

The programs "area" and "gecon" use the XForms library by Mark Overmars and
TC Zhao.  You can find this library at "http://bragg.phys.uwm.edu/xforms/".

Note:  At some point, General Electric changed their header length for Signa
data files from 14336 bytes to 7904 bytes.  The programs "fromge" and "gecon"
assume a header length of 14336, but this can be overridden on the command
line (in the case of "fromge") or within the GUI (in the case of "gecon").

If you find this software useful, please send mail to Matthew Belmonte.
<mkb4@Cornell.edu>.  If you base a publication on data processed by this
software, please notify Matthew Belmonte and acknowledge him in your
publication.
