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+This package will read and write TIFF format images and return them
+as a pixmap object. Because the resulting object can be very large
+for even modestly sized TIFF images, images can be reduced as they
+are read for improved performance. This package is a wrapper around
+libtiff (www.libtiff.org), on which it depends (i.e. the libtiff
+shared library must be on your PATH for the binary to work, and
+tiffio.h must be on your system to build the package from source).
+By using libtiff's highlevel TIFFReadRGBAImage function, this package
+inherently support a wide range of image formats and compression
+schemes. This package also provides an implementation of the Ridler
+Autothresholding algorithm for easy generation of binary masks.
+
+WWW:	http://cran.r-project.org/web/packages/rtiff/