Display perspective plot

Display an enhanced perspective plot with additional return values

Usage

perspx(x,y,z,...)

Arguments

x,y,z

x, y and z coordinates to plot.

...

Other arguments passed to persp.

Details

Displays z values plotted on an x,y grid.

Value

A list with three elements, the ranges of x, y and z.

Author

Ben Bolker

Examples

 x <- 1:10
 y <- 1:10
 z <- outer(x,y,function(x,y) { 3*sin(2*pi*x)/(2*pi*x)+exp(y/10)+(x*y)/1000 })
 par(mar=c(5,10,2,2))
 pp <- perspx(x,y,z,ticktype="detailed",phi=30,theta=80,nticks=3,r=10,
  axes=FALSE)