read.fitskey: Read FITS Header Keyword

Description Usage Arguments Details Value Author(s) See Also

View source: R/read.fitskey.R

Description

The mid-level function 'read.fitskey' allows FITS header keywords to be read directly into R.

Usage

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read.fitskey(key, file, hdu = 1, comments = FALSE, 
             strip = c(" ","'"," "), maxlines = 50000)

Arguments

key

header keyword (may be a vector)

file

file name

hdu

header and data unit to be read

comments

output header comments?

strip

lead/trail characters stripped from header 'value' data

maxlines

maximum number of header lines

Details

The mid-level function 'read.fitskey' is a wrapper around 'read.fits', and provides a more simplistic output of that routine.

Value

A vector of data equal in length to the input key request. NA is returned where no keys have been found.

Author(s)

Lee Kelvin <[email protected]>

See Also

The astronomy package: astro.


astro documentation built on May 29, 2017, 3:34 p.m.