a character string specifying the name of the file containing the raw
image data. If the file is not in the current directory, the path
must be specified.
OPTIONAL ARGUMENTS:
type
a character string, one of
"byte",
"ubyte",
"short", or
"int".
Image data stored in ASCII form should use the default
"ubyte".
flip
Logical flag. If
TRUE, the columns of the image are reversed.
byrow
Logical flag. If
TRUE, the rows of the returned matrix are filled
before the columns.