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A utility function for drawing a horizontal circle in the (x,y) plane in a 3D graph
circle3d(center, radius, segments = 100, fill = FALSE, ...)
A vector of length 3.
A positive number.
An integer specifying the number of line segments to use to draw the circle (default, 100).
logical; if TRUE, the circle is filled (the default is FALSE).
TRUE
FALSE
rgl material properties for the circle.
Other vector diagrams: Proj(), arc(), arrows3d(), corner(), plot.regvec3d(), pointOnLine(), regvec3d(), vectors3d(), vectors()
Proj()
arc()
arrows3d()
corner()
plot.regvec3d()
pointOnLine()
regvec3d()
vectors3d()
vectors()
ctr=c(0,0,0) circle3d(ctr, 3, fill = TRUE) circle3d(ctr - c(-1,-1,0), 3, col="blue") circle3d(ctr + c(1,1,0), 3, col="red")
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