I was wondering if there is documentation for the format of ENVI ROI files any place? We are developing some open source code in C++ that, among other things, we'd like to be able to create ROIs to be used in ENVI (rather than making them within ENVI/IDL). Thoughts? --j -- Jonathan Greenberg Graduate Group in Ecology, U.C. Davis http://www.cstars.ucdavis.edu/~jongreen http://www.cstars.ucdavis.edu AIM: jgrn307 or jgrn3007 MSN: jgrn307@msn.com or jgrn3007@msn.com