Dear Hongbo, For example, user can put something like light source and "front" is defined as the side light hits. (though it would be undefined If sheet plane is placed parallel to the ray..)
But I think any definition is ok if front and back could be alternated easily by user operation. Cheers, Keitaro 2011/3/8 Hongbo Zhu <hongbo....@biotec.tu-dresden.de>: > how do you define "front" and "back" sides of sheets in general? > ------------------------------------------------------------------------------ What You Don't Know About Data Connectivity CAN Hurt You This paper provides an overview of data connectivity, details its effect on application quality, and explores various alternative solutions. http://p.sf.net/sfu/progress-d2d _______________________________________________ PyMOL-users mailing list (PyMOL-users@lists.sourceforge.net) Info Page: https://lists.sourceforge.net/lists/listinfo/pymol-users Archives: http://www.mail-archive.com/pymol-users@lists.sourceforge.net