On 21.06.10 18:01, Warp wrote:
>>>     Given that meshes which approximate the same shape as a complex CSG
>>> composed of other primitves sometimes renders faster than that CSG object,
>>> I don't see how an isosurface would be even faster than that. On the
>>> contrary, an isosurface with the same shape as the complex CSG most probably
>>> would render at least an order of magnitude slower than the original CSG
>>> object.
>
>> Not sure where you read isosurfaces are faster than CSG. Oh well :-(
>
>    "the probable assumption that a high quality mesh would be faster to
> generate and then render compared to a native object (i.e. an isosurface)
> is incorrect."
>
>    If you claim that rendering an isosurface is faster than generating a
> mesh from it and then rendering it, you are also implying that rendering
> an isosurface is faster than rendering a (complex) CSG because there are
> cases where meshes are faster to render than CSG. If meshes are faster than
> CSG and isosurfaces are faster than meshes, it logically follows that
> isosurfaces are faster than CSG.

A very interesting conjecture. However, I have a real life, so you will have 
to discuss your conjecture with someone else.

	Thorsten

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