Does some post-processing on landscape datasets downloaded from SLGA - mostly about setting NA correctly
tidy_lscape_data(r = NULL, product = NULL, write_out = FALSE, filedir)
raster object downloaded over WCS
character; the SLGA terrain product in question
Boolean, whether to write the retrieved dataset to disk. Defaults to FALSE.
directory in which to write files if write_out == TRUE.
a raster, but a better one