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2008.03.27 19:15 "Re: TIFF vs JPEG files", by Bob Friesenhahn
On Thu, 27 Mar 2008, matt1@llnl.gov wrote: > I am developing some s/w to create grayscale images from a datafile. The > code originally generated JPEG files and I am transitioning to TIFF files. > My TIFF files are coming out with the grayscale spectrum reversed from the > JPEG files. Obviously, I can reverse the spectrum in my code but I was > wondering if there was a more elegant way to do this such as TIFF tag > settings to specify which end of the spectrum is white and which is black. > Any suggestions? This is accomplished via the PHOTOMETRIC_MINISBLACK and PHOTOMETRIC_MINISWHITE photometric tags. Bob ====================================== Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/