----------------------------Original message---------------------------- If you are a GRASS (Geographic Resource Analysis Support System developed by Construction Engineer Research Lab, http://www.cecer.army.mil/grass/GRASS.main.html) user or plan to use the powerful GIS package in the public domain, this message is for you. GRASS-XMI is a tool developed by GPZ Technology that provides a user-friendly environment for running GRASS. The latest version includes a Map Calculator and many enhanced features and is available for downloading at http://www.gpz.com/grassxmi.htm Thanks. Willie Shaw GPZ Technology, Inc. [log in to unmask]