Class "BezierCurve": A class to describe a Bezier curve
This class is used to represent a Bezier curve in R, which can then be used for other applications, plotted, etc
Objects can be created by calls of the form new("BezierCurve", ...)
.
cPoints
:Object of class "list"
: A list of
xyPoint
objects, representing control points for the curve
cPoints
:Returns the cPoints
slot
pointList
:Returns a list of all points having been
processed with teh getPoints
method of xyPoint
bezierPoints
:Returns a matrix giving x & y points (by column) for the complete Bezier curve
lines
:Draws the Bezier curve
show
:Provides a concise display of information
Jeff Gentry
V <- letters[1:10] M <- 1:4 g1 <- randomGraph(V, M, .2) z <- agopen(g1,"foo") x <- AgEdge(z) ## list of AgEdge objects x[[1]] ## AgEdge a <- splines(x[[1]])[[1]] a ## BezierCurve cPoints(a) pointList(a) bezierPoints(a)
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