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glenngds2008
Joined: 28 Sep 2008 Posts: 8

Posted: Tue Sep 30, 2008 4:41 pm Post subject: A formula does not need to be long to be pretty 


This formula is pretty interesting:
abs(cos(x) + cos(y) + cos(z))  1
It is a combination of two of the formulas included with k3dsurf.
here is a picture


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glenngds2008
Joined: 28 Sep 2008 Posts: 8

Posted: Sat Oct 04, 2008 2:46 pm Post subject: try this formula 


int(cos(x)) + int(cos(y)) + int(cos(z))
You may want to try this
(sqrt(x*x/2+y*y/3)3)^2 + z*z/4 1
Here is an interesting formula in Cylindrical Coordinates
r = cos(sqrt(pi*pi  z*z))
and in Cartesian Coordinates it is
x^2 + y^2  cos(sqrt(pi^2  z^2))^2
Here is a formula that looks like a tank or a capsule:
x*x + y*y + z^4/49  1
Guess what this looks like:
cos(sqrt(pi  x*x  y*y))  z*z + 1 

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