Conditional Plotting

*To*: mathgroup at smc.vnet.net*Subject*: [mg85362] Conditional Plotting*From*: luko <lewkow at ariel.ac.il>*Date*: Thu, 7 Feb 2008 04:48:35 -0500 (EST)

New to Mathematica.. I would like to plot a function of x and y similar to a DensityPlot, but filled (black) if f(x,y)>0, and not filled for f(x,y)<0. I use Mathematica 4.2. Thanx