C                  INTERNATIONAL AVS CENTER
C        (This disclaimer must remain at the top of all files)
C
C WARRANTY DISCLAIMER
C
C This module and the files associated with it are distributed free of charge.
C It is placed in the public domain and permission is granted for anyone to use,
C duplicate, modify, and redistribute it unless otherwise noted.  Some modules
C may be copyrighted.  You agree to abide by the conditions also included in
C the AVS Licensing Agreement, version 1.0, located in the main module
C directory located at the International AVS Center ftp site and to include
C the AVS Licensing Agreement when you distribute any files downloaded from
C that site.
C
C The International AVS Center, MCNC, the AVS Consortium and the individual
C submitting the module and files associated with said module provide absolutely
C NO WARRANTY OF ANY KIND with respect to this software.  The entire risk as to
C the quality and performance of this software is with the user.  IN NO EVENT
C WILL The International AVS Center, MCNC, the AVS Consortium and the individual
C submitting the module and files associated with said module BE LIABLE TO
C ANYONE FOR ANY DAMAGES ARISING FROM THE USE OF THIS SOFTWARE, INCLUDING,
C WITHOUT LIMITATION, DAMAGES RESULTING FROM LOST DATA OR LOST PROFITS, OR ANY
C SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
C
C This AVS module and associated files are public domain software unless
C otherwise noted.  Permission is hereby granted to do whatever you like with
C it, subject to the conditions that may exist in copyrighted materials. Should
C you wish to make a contribution toward the improvement, modification, or
C general performance of this module, please send us your comments:  why you
C liked or disliked it, how you use it, and most important, how it helps your
C work. We will receive your comments at avs@ncsc.org.
C
C Please send AVS module bug reports to avs@ncsc.org.
C
      subroutine cgbdraw(xb,yb,zb, xe,ye,ze, up)
*                =======
*     Draw (with pen up/down) to position
*     -----------------------------------
*     Link with:
*     /usr/avs/lib/libgeom.a
*     /usr/avs/lib/libutil.a
*
C   IAC CODE CHANGE :       include '/usr/avs/include/geom.inc'
	INCLUDE '/usr/avs/include/avs.inc'
      logical draw,up
*
      integer ding,doen,alloc
      common /cgbavs/ ding,color(3,2)
      real verts(3,2)
*
      draw=up .or. xb.ne.xe .or. yb.ne.ye .or. zb.ne.ze
      if(.not.draw) return
* ... Encode coordinates:
      more=2
      verts(1,1)=xb ; verts(1,2)=xe
      verts(2,1)=yb ; verts(2,2)=ye
      verts(3,1)=zb ; verts(3,2)=ze
      alloc = geom_copy_data
      doen = geom_add_disjoint_line(ding,verts,color,more,alloc)
      return
      end