On Sun, Jan 30, 2011 at 2:55 AM, Loïc <xl...@free.fr> wrote: > Thanks you very much for your reply > > You're right, size affects the center too. > Not very intuituive but now, I know it. > > I think this behaviour is quite surprising. > For example, with sphere, size doesn't affect center ....
I might go so far to call it a bug... > On 29 jan, 20:04, Francois Maltey <fmal...@nerim.fr> wrote: >> Hello, >> >> > I was making some tries with 3D. >> > I don't succeed to make cube correctly: >> > Here is my code: >> >> > c=cube((0,0,0),size=2,opacity=0.1,color='red') >> > c+=point((2/3,2/3,0),color='green',size=10) >> > c+=cube(center=(2/3,2/3,0),size=1/3,opacity=0.8) >> > show(c) >> >> > I draw a point with coord (2/3,2/3,0) >> > Then I draw a cube centered on this point with size 1/3 >> >> > When I display with JMol, the point is outside the cube... >> >> > Is it a bug ? Perhaps I've missed something with the instruction >> > cube() >> >> It seems that sage multiplies by size all the coordinates of the cube, >> even the center, not only the length. >> >> Try size=1, size=10 and size=0.1. The center of the cube changes. >> >> F. > > -- > To post to this group, send email to sage-support@googlegroups.com > To unsubscribe from this group, send email to > sage-support+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/sage-support > URL: http://www.sagemath.org > -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
