segments {compositions}

Draws straight lines from point to point.

Description

The function draws lines from a points x0 to a point y1 in the given geometry.

Usage

          segments(x0,...)
          ## Default S3 method:
segments(x0,...)
          ## S3 method for class 'acomp'
segments(x0,y1,...,steps=30,aspanel=FALSE)
          ## S3 method for class 'rcomp'
segments(x0,y1,...,steps=30,aspanel=FALSE)
          ## S3 method for class 'aplus'
segments(x0,y1,...,steps=30,aspanel=FALSE)
          ## S3 method for class 'rplus'
segments(x0,y1,...,steps=30,aspanel=FALSE)
          ## S3 method for class 'rmult'
segments(x0,y1,...,steps=30,aspanel=FALSE)
          

Arguments

x0

dataset of points (of the given type) to draw the line from

y1

dataset of points (of the given type) to draw the line to

...

further graphical parameters

steps

the number of discretisation points to draw the segments, since the representation might not visually be a straight line

aspanel

Logical, indicates use as slave to do acutal drawing only.

Details

The default 'segments.default(x0,...)' redirects to 'segments' in package "graphics".

The other methods add lines to the graphics generated with the corresponding plot functions of "compositions"-classes.

Adding to multipaneled plots redraws the plot completely, and is only possible when the plot has been created with the plotting routines from this library.

Author(s)

K.Gerald v.d. Boogaart http://www.stat.boogaart.de

See Also

plot.acomp,lines.acomp

Examples

data(SimulatedAmounts)

plot(acomp(sa.lognormals))
segments.acomp(acomp(c(1,2,3)),acomp(c(2,3,1)),col="red")
segments.rcomp(acomp(c(1,2,3)),acomp(c(2,3,1)),col="blue")

plot(aplus(sa.lognormals[,1:2]))
segments.aplus(aplus(c(10,20)),aplus(c(20,10)),col="red")
segments.rplus(rplus(c(10,20)),rplus(c(20,10)),col="blue")

plot(rplus(sa.lognormals[,1:2]))
segments.aplus(aplus(c(10,20)),aplus(c(20,10)),col="red")
segments.rplus(rplus(c(10,20)),rplus(c(20,10)),col="blue")