[R] Making TIFF images with rtiff

From: Inman, Brant A. M.D. <Inman.Brant_at_mayo.edu>
Date: Fri 12 Jan 2007 - 03:33:18 GMT

Many medical journals and publishers require that images, whether photographs or line art, be submitted as high resolution .TIFF images. One option for R users is to produce an image in one format and to convert it to a .TIFF file using a second software program. My experience has been that this option often results in images of poorer quality, often with blurry contours, and a loss of resolution. A second and better option would be to make .TIFF files directly from the graphic output of R.

I recently noticed that there is a library called "rtiff" that may be able to do this. However, I have not been able to get it to work, principally because I do not know how to install the required supporting software, libtiff and tiffio.h, correctly on my computer. I am running R 2.4.0 on a Windows XP machine. So far I have done the following:

  1. Loaded the rtiff library
  2. Downloaded and installed the TIFF library 3.8.2 (complete package and sources) from the following website: http://gnuwin32.sourceforge.net/packages/tiff.htm

I would like to ask the R experts for help with the following things:

  1. Where do I get the tiffio.h file?
  2. Where do I install or relocate the tiffio.h and TIFF library to so that rtiff will work?

Thanks for your help.

Brant Inman
Mayo Clinic

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