Create an ENVI header file (see http://www.exelisvis.com/docs/ENVIHeaderFiles.html)
to properly import GIMMS binary data into native 'Raster*' format.
Usage
createHeader(file, header)
Arguments
file
Character. Absolute input filepath of the GIMMS binary file being
processed.
header
Character. If not supplied, defaults to the default content of the
companion header file for GIMMS NDVI3g binary data. See seection 'Examples'
below for required file contents.
Value
A filename with the absolute location of the header file.