Kirk Andrews wrote:

>> Nice gate design - how'd you do it?
>> --
>> Stefan
> 
> Thanks!
> 
> Perhaps there is a better way to do it, but I first designed it in a
> vector-editor, and then exported it as a bitmap image.  In POV I turned
> the bitmap into a function, and used the function in an isosurface. The
> bumps were added by subtracting a pigment function in the isosurface.


Yikes! How do you "turn a bitmap into a function"? The isosurface part I
(think) I've got an idea how to do, as well as adding the bumps. But how do
you turn a bitmap into an isosurface function?

Regards,
-- 
Stefan

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