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plottools

 sphere
 generate 3-D plot object for a sphere

 Calling Sequence sphere(c, r, options)

Parameters

 c - (optional) list(realcons); center of the sphere r - (optional) realcons; radius of the sphere options - (optional) equations of the form option=value as described in the plot3d/options help page

Description

 • The sphere command creates a three-dimensional plot data object, which when displayed is a sphere centered at c and of radius r.  The default values for c and r are $\left[0,0,0\right]$ and $1$, respectively.
 • A call to sphere produces a plot data object, which can be used in a PLOT3D data structure, or displayed using the plots[display] command.
 • Remaining arguments are interpreted as options, which are specified as equations of the form option = value. For more information, see plottools and plot3d/options.

Examples

 > $\mathrm{with}\left(\mathrm{plottools}\right):$
 > $\mathrm{with}\left(\mathrm{plots}\right):$
 > $c≔\mathrm{sphere}\left(\left[1,1,1\right],3.3\right):$
 > $\mathrm{display}\left(c,\mathrm{scaling}=\mathrm{constrained},\mathrm{axes}=\mathrm{boxed}\right)$
 > $d≔\mathrm{sphere}\left(\left[1,5,1\right],2\right):$
 > $\mathrm{display}\left(c,d,\mathrm{scaling}=\mathrm{constrained},\mathrm{style}=\mathrm{patchnogrid}\right)$