Making a visible presentation of numerical data, particularly a graphical one. This might include anything from a simple X-Y graph of one dependent variable against one independent variable to a virtual reality which allows you to fly around the data. Gnuplot is the Free Software Foundation' s utility for producing various kinds of graphs. Usenet newsgroup: news:comp.graphics. The Computer Graphics Resource Listing contains pointers to several visualisation tools. {comp.graphics FAQ (ftp://src.doc.ic.ac.uk/usenet/news-info/comp.graphics/)}. {Electronic Visualization Laboratory, University of Illinois at Chicago (http://www.ncsa.uiuc.edu/EVL/docs/Welcome.html)}. (2002-02-21)
