Re: Spherical Graphics primitive

*To*: mathgroup*Subject*: Re: Spherical Graphics primitive*From*: John Fultz <jfultz>*Date*: Tue, 19 Apr 1994 09:45:50 -0500 (CDT)

> > Is there a 3D dimensional analog to the 2D graphics primitive > Graphics[ Circle[ {x,y}, r] ? > i.e. something like Graphics3D[ Sphere {x, y, z}, r] > Thanks, > Brett Philips bp08 at andrew.cmu.edu Memetic Engineering > (412) 268-8797 Carnegie Mellon University > > Yes, if you look in the Guide to Standard Mathematica Packages, you'll see exactly such a primitive under Graphics`Shapes`. However, note that the arguments for Sphere are not Sphere[x,y,z] but Sphere[r,n,m] where r is the radius, and the sphere is drawn using n(m-1) polygons. If you want to move the sphere to another xyz coordinate, you have to use the TranslateShape function, which is also in the Graphics`Shapes` package. -John -------------------------------------------------------------------------------- John Fultz "I am not a mouthpiece for Wolfram Research." jfultz at wri.com "Goldfish schoals, nibblin' at my toes, Fun, fun, fun..." --------------------------------------------------------------------------------