Based off some code I got from these groups, I've made a tornado type cloud
with media, cylindrical pattern and turbulence:

http://www.csh.rit.edu/~topher/mediacloud.jpg

However, as the angle between the cylinder and the camera increases, you can
start to see artifacts. How exactly do I get this to smooth out? Is there a
parameter like number_tests that I can increase to fix this?

Thanks in advance!

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