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  Copyright (C) IBM Corporation, 1996, 1997, 1998 
  Licensed Materials, Program Property of IBM 
 
  This software module is an implementation of a part of one or more 
  MPEG-4 tools as specified by the MPEG-4.  ISO/IEC gives users of the 
  MPEG-4 free license to this software module or modifications thereof 
  for use in hardware or software products claiming conformance to the 
  MPEG-4.  Those intending to use this software module in hardware or 
  software products are advised that its use may infringe existing 
  patents.  The original developer of this software module and his/her 
  company, the subsequent editors and their companies, and ISO/IEC have 
  no liability for use of this software module or modifications thereof 
  in an implementation.  Copyright is not released for non MPEG-4 
  conforming products.  IBM Corp. retains full right to use the code for 
  his/her own purpose, assign or donate the code to a third party and to 
  inhibit third parties from using the code for non MPEG-4 conforming 
  products.  This copyright notice must be included in all copies or 
  derivative works. 
 
  AUTHORS: 
 
  Gabriel Taubin 
  Bill Horn 
  Andre Gueziec 
  Claudio Silva 
  Francis Lazarus 
 
  IBM T. J. Watson Research Center 
  P.O.Box 704 
  Yorktown Heights, New York 10598 

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  USAGE: mpgc [options] baseFname 

    -h           for help
    -id<inDir>   tries to read input files from 'inDir' directory
    -od<outDir>  places output files in 'outDir' directory

    -bpv<bpv>    number of bits per vertex coordinate    (default= 10)
    -bpn<bpn>    number of bits per normal               (default=  9)
    -bpc<bpc>    number of bits per color component      (default=  6)
    -bpt<bpt>    number of bits per texture coordinate   (default= 10)

    -ppv<ppv>    prediction mode for vertex coordinates  (default=  2)
    -ppn<ppn>    prediction mode for normals             (default=  0)
    -ppc<ppc>    prediction mode for color components    (default=  1)
    -ppt<ppt>    prediction mode for texture coordinates (default=  1)

    -er<bpv>     Error Resilience mode                   (default=0)
                  (0:pt=0, 1:pt=0+1+2)
    -ps<bpv>     #bits per Packet                        (default=180)
    -bp<bpv>     boundary predicition type               (default=0)
                  (0: restricted predition, 1:extended prediction)

    -hm          turns on hierarchical mode              (default=off)
    -cls         save cls file   [ignored if hm=off]     (default=off)
    -wrl         save wrl levels [ignored if hm=off]     (default=off)

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