----------------------------Original message---------------------------- It is highly unlikely that such visualizations will become common on PC platforms until there are significant improvements in both graphics (hardware and software) and the operating system. Nice things are currently possible with, say, an SGI Indigo2 with 64MB of memory... -- Duane F. Marble E-mail: [log in to unmask] Dept. of Geography Home Page: http://thoth.sbs.ohio-state.edu The Ohio State University Telephone: (614) 292-2250 Columbus, OH 43210 Fax: (614) 292-6213