pgirmess (version 2.0.3)

trans2pix: Convert a transect coordinate file with some waypoints separated by NA into a matrix with intermediate coordinates replacing NA.

Description

Convert a transect coordinate file with some waypoints separated by NA into a matrix with intermediate coordinates replacing NA.

Usage

trans2pix(vect)

Value

A matrix with the intermediate coordinates computed.

Arguments

vect

A two column matrix or data.frame

Details

If vect has more than two column the two first column only are read. This function computes the intermediate coordinates between two waypoints replacing NA values.

See Also

trans2seg

Examples

x<-c(10,NA, NA, NA,56,NA,NA,100)
y<-c(23,NA, NA, NA,32,NA,NA,150)
cols=c("red","blue","blue","blue","red","blue","blue","red")
plot(x,y,col=cols,pch=19)
plot(trans2pix(cbind(x,y)),col=cols,pch=19)