This is a general purpose TIFF I/O utility for R. The tiff package already exists for this purpose but ijtiff adds some functionality and overcomes some bugs therein.
- 
ijtiffcan write TIFF files whose pixel values are real (floating-point) numbers;tiffcannot. - 
ijtiffcan read and write text images;tiffcannot. - 
tiffstruggles to interpret channel information and gives cryptic errors when reading TIFF files written by the ImageJ software;ijtiffworks smoothly with these images. 
The github repo of ijtiff is at https://github.com/ropensci/ijtiff.
Installation
You can install the released version of ijtiff from CRAN with:
install.packages("ijtiff")You can install the released version of ijtiff from GitHub with:
devtools::install_github("ropensci/ijtiff")How to use ijtiff
The Reading and Writing Images article is probably all you need to know.
More about ijtiff
- Text Images tells you more about what text images are and why you might ever use them.
 - 
The ImageJ Problem explains the problem that 
tiffhas when reading TIFF files written by ImageJ and howijtifffixes this problem. 
