pushpin {fields}R Documentation

Adds a "push pin" to an existing 3-d plot

Description

Adds to an existing 3-d perspective plot a push pin to locate a specific point.

Usage

pushpin( x,y,z,p.out, height=.05,col="black",text=NULL,adj=-.1,cex=1.0,...)

Arguments

x x location
y y location
z z location
p.out
height Height of pin in device coordinates (default is about 5%).
col Color of pin head
text Optional text to go next to pin head
adj Position of text relative to pin head.
cex Character size for in head and/or text
... Additional graphics arguments that are passed to the text function.

Details

See the help(text) for the conventions on the adj argument and other options for placing text.

Author(s)

Doug Nychka

See Also

drape.plot,persp

Examples

# Dr. R's favorite New  Zealand Volcano!
     data( volcano)
     M<- nrow( volcano)
     N<- ncol( volcano)
     x<- seq( 0,1,,M)
     y<- seq( 0,1,,N)

     drape.plot( x,y,volcano, col=terrain.colors(128))-> pm 

     max( volcano)-> zsummit
     xsummit<- x[ row( volcano)[volcano==zsummit]]
     ysummit<- y[ col( volcano)[volcano==zsummit]]

pushpin( xsummit,ysummit,zsummit,pm, text="Summit")
[Package fields version 4.1 Index]