Here's a shot of the 2D function I have been discussing in povray.general. I
would like to find a way to have the image "extrude" out towards the viewer
on the -z axis, using the function as a sort of "3D contour.". Anyone have
any suggestions using the function below, an approximate of the actual?
Thanks very much,
Dennis.
#declare A =1;
#declare B =1;
#declare C =1;
#declare D =1;
#declare E =1; //1
#declare F =1;

#declare I =1;
#declare J =1;
#declare K =1;
#declare L =1;


function
    {E*sin(A*sin(I*x*.01) + B*cos(J*y))
              + F*cos(C*cos(K*x) + D*sin(L*y)) }

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