Description Usage Arguments Author(s) See Also Examples
plot.circles
creates a plot with one or more
circles (or adds them to an existing plot).
1 2 
coords 
A matrix of coordinates with the centroid of each circle. 
r 
A vector containing the radii of the circles.
The length of 
add 
A logical value indicating whether the circles
should be added to an existing plot. Default is

... 
Additional arguments passed to the

nv 
Number of vertices to draw the circle. 
border 
A vector with the desired border of each
circle. The length should either be 1 (in which case
the border is repeated for all circles) or should match
the number of rows of 
ccol 
A vector with the desired color of each
circle. The length should either be 1 (in which case
the color is repeated for all circles) or should match
the number of rows of 
clty 
A vector with the desired line type of each
circle. The length should either be 1 (in which case
the line type is repeated for all circles) or should match
the number of rows of 
density 
A vector with the density for a patterned fill.
The length should either be 1 (in which case
the density is repeated for all circles) or should match
the number of rows of 
angle 
A vector with the angle of a patterned fill.
The length should either be 1 (in which case
the angle is repeated for all circles) or should match
the number of rows of 
clwd 
A vector with the desired line width of each
circle. The length should either be 1 (in which case
the line width is repeated for all circles) or should match
the number of rows of 
Joshua French
1 2 3 4 5 6 7 8  co = cbind(c(1, 2, 5, 6, 9), c(1, 2, 5, 6, 9))
r = c(1.25, 1.25, 1.25, 1.25, 1.25)
# draw circles
circles.plot(co, r)
circles.plot(co, r,
ccol = c("blue", "blue", "orange", "orange", "brown"),
density = c(10, 20, 30, 40, 50),
angle = c(45, 135, 45, 136, 90))

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