ContourPlot3D.
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| JavaView Snapshot | Mathematica Snapshot | 
| JavaView Applet | JavaView Lite Applet | 
| Zero level of a function. | In[1]:= 
				<<Graphics`ContourPlot3D` In[2]:= gc = ContourPlot3D[ Cos[Sqrt[x^2 + y^2 + z^2]], {x, -2, 2}, {y, 0, 2}, {z, -2, 2}]; In[3]:= JavaView[gc]  | 
		
	
