r2gmt {gmt}R Documentation

Prepare Data for GMT

Description

This function handles data that will be annotated on a GMT map, writing them to a temporary file. Although it is an internal function, users may find it handy for some tasks.

Usage

r2gmt(x, outfile, append=FALSE)

Arguments

x data frame, matrix, or filename containing the data to be written to a temporary file.
outfile filename where the data will be written in GMT format, tab-separated without header.
append whether data should be appended to an existing file, separating segments with ">" lines.

Details

If x is a filename, the data should be tabular with or without a header, separated by commas or whitespace. The first line is interpreted as header if the first non-whitespace character is not minus, point, or number.

Value

The data frame that was written to outfile.

Note

This function is primarily an internal function, but users may find it handy for their own plotting functions.

Author(s)

Arni Magnusson arnima@u.washington.edu.

See Also

scan, read.table, write, write.table.

gmt-package gives an overview of the package.

Examples

LonLat1 <- data.frame(Lon=1:3, Lat=4:6)
LonLat2 <- data.frame(Lon=7:8, Lat=9:10)
## Not run: 
r2gmt(LonLat1, "temp.gmt")
r2gmt(LonLat2, "temp.gmt", append=TRUE)
## End(Not run)

[Package gmt version 1.0-3 Index]