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       drawxtl - display crystal structures on ordinary computer hardware


       drawxtl [filename]


       drawxtl  reads  a  basic  description  of  the crystal structure, which
       includes unit-cell parameters, space group, atomic coordinates, thermal
       parameters  or  a  Fourier  map,  and  outputs  a  geometry object that
       contains polyhedra, planes, lone-pair  cones,  spheres  or  ellipsoids,
       bonds, iso-surface Fourier contours and the unit-cell boundary.

       Four forms of graphics are produced:

       ·   an OpenGL window for immediate viewing

       ·   the  Persistence  of Vision Ray Tracer (POV-RAY) scene language for
           publication-quality drawings

       ·   the Virtual Reality  Modeling  Language  (VRML)  for  dissemination
           across the Internet

       ·   Postscript  rendering of the OpenGL window for those who want high-
           quality output but do not have POV-RAY installed


       There are no command line options to use.


              Per user configuration file.

       A short tutorial about this file and configuring drawxtl  is  available
       online at


       When  opening a structures (.str) file, drawxtl needs write permissions
       in the directory the file is located in. Otherwise it  will  return  an
       error ("Cannot open structures files.").


       A  FAQ  and a manual are available online in PDF and HTML format at the
       DRAWxtl homepage at


       Please cite DRAWxtl as follows:

              Larry W. Finger, Martin Kroeker, and Brian H. Toby, DRAWxtl,  an
              open-source   computer   program  to  produce  crystal-structure
              drawings, J. Applied Crystallography V40, pp. 188-192, 2007.

       An     electronic     reprint     is      available      online      at


       Larry Finger <>
              Author of the program and the former version called “crystal”.

       Martin Kroeker <>
              Author of the original POV and VRML modifications.

       Brian Toby <>
              Author of the Fourier-contour code.

       Daniel Leidert <>
              Manpage author for the Debian system.


       Copyright © 2007-2009 Daniel Leidert

       This  manual page was written for the Debian system (but may be used by

       Permission is granted to copy, distribute and/or modify  this  document
       under  the  terms  of  the GNU General Public License, Version 2 or (at
       your  option)  any  later  version  published  by  the  Free   Software

       On  Debian systems, the complete text of the GNU General Public License
       can be found in /usr/share/common-licenses/GPL.