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plottools

 circle
 generate 2-D plot object for a circle

 Calling Sequence circle(c, r, options)

Parameters

 c - center of the circle r - (optional) radius of the circle; default=1.0 options - (optional) equations of the form option=value. For a complete list, see plot/options.

Description

 • The circle command creates a two-dimensional plot data object, which when displayed is a circle of radius r centered at c.
 • To create a filled circle, use plottools[disk] instead.
 • The plot data object produced by the circle command can be used in a PLOT 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 plot/options.

Examples

 > $\mathrm{with}\left(\mathrm{plottools}\right):$
 > $\mathrm{with}\left(\mathrm{plots}\right):$
 > $\mathrm{c1}≔\mathrm{circle}\left(\left[1,1\right],1,\mathrm{color}=\mathrm{blue}\right):$
 > $\mathrm{c2}≔\mathrm{circle}\left(\left[\frac{1}{2},1\right],\frac{1}{2},\mathrm{color}=\mathrm{red}\right):$
 > $\mathrm{display}\left(\mathrm{c1},\mathrm{c2}\right)$