Wasn't it Greg M. Johnson who wrote:
>Wonderful advice.
>
>"Mike Williams" <nos### [at] econymdemoncouk> wrote in message
>news:VzR### [at] econymdemoncouk...
>>
>> Yes it is possible. See my tutorial at
>> <http://www.econym.demon.co.uk/isotut/patterns.htm#hf>
>> and grab the zip file that contains the source code.
>>
>
>
>I think you may have mislabelled some of your figures.  You have two
>captions which identify noise type 2.

I'll update it later today.

>Q: can one make a universally true statement about speed of isosurface vs.
>subpixel (?) height field?

I don't know of any.

-- 
Mike Williams
Gentleman of Leisure

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