MODULE NAME : read_pcx_image

INPUTS	    : image  2D 4-vector byte

PARAMETERS  : filename

MODULE DESCRIPTION :
     This module reads an image in the pcx format into an AVS Network.

FILE TYPE DESCRIPTION :
     The pcx image file format was invented by ZSoft for  use  in
     its  IBM  PC  PC  Paintbrush  tool  series.  It has become a
     defacto standard in the IBM PC world and is  regularly  used
     for the storage of monochrome and color pixel information by
     paint-type tools.

     See the documentation for each  of  the  IBM  PC  tools  for
     details on how to use them.

FILE RECOGNITION
     ZSoft pcx files are recognized by these  filename  suffixes:
     .pcx and .pcc.

NOTE :
   This module requires that libim.a and libsdsc.a be installed in
   the /usr/lib directory for compilation with the given Makefiles.
   Both of these libraries can be obtained through anonymous ftp to
   sdsc.edu.  For more information, send email to info@sdsc.edu.

CREDITS
-------

MODULE AUTHOR:	Terry Myerson
		International AVS Center
		North Carolina Supercomputing Center
		avs@ncsc.org

This module is entirely based upon the San Diego Supercomputing Center's
Image Tool library.