/*
 * $Header$
 *
 * $Log$
 *
 * Copyright (C) 1990 by Ning Zhang, All rights reserved.
 *
 * This software was first developed during the period between June. 11, 1990
 * and * June 20, 1990 when the author was at the Computer Graphics Center,
 * Darmstadt, Germany. There're no financial support for developing this
 * program. In fact, it is a quick and dirty program for converting geometry
 * objects from AutoCAD 10 DXF files to the DEF/NFF/DXF files for my
 * Radiosity/Raytracing/FastZBuffer package.
 *
 * In December 1990, additional output for Greg Ward's RADIANCE package 
 * was added to the converter. Thanks to Greg's enthusiastic support for
 * making this possible.
 *
 * There is no warranty or other guarantee of fitness for this software,
 * it is provided solely "as is".  Bug reports or fixes should be sent
 * to the author directly, who may or may not act on them as he desires.
 *
 * If you modify this software, you should include a notice giving the
 * name of the person performing the modification, the date of modification,
 * and the reason for such modification. You are welcome to send your
 * enhancements and suggestions to the author for including them in the
 * future releases.
 *
 * This program was intended to put in the public domain, but the author
 * have not enough time to make it more perfect right now. Redistribution
 * and non-commericial use in source and binary forms are permitted provided
 * that this entire copyright notice is duplicated in all such copies, and
 * that any documentation, and other materials related to such distribution
 * and use acknowledge that the software was developed by the author of the
 * software.
 * 
 * Ning Zhang
 *
 * Permanent Address:
 * c/o: Prof. Zhijun He
 * Artificial Intelligence Institute
 * Zhejiang University
 * Hangzhou, Zhejiang
 * 310013 P.R.China
 * Fax:       +86 (571) 571197
 * Telephone: +86 (571) 570057
 * 
 * Current Address:
 * Laboratory for Image Science and Engineering
 * School of Electric Engineering
 * The University of Sydney
 * NSW 2006, Australia
 * Email: nzhang@ee.su.oz.au
 * Telephone: +61 (2) 692 2962
 */ 
