On 17-1-2012 13:37, Stephen wrote:
> On 17/01/2012 12:22 PM, Tail Kinker wrote:
>> On 12-01-16 03:00 PM, Stephen wrote:

>>> an idea to render it. To begin with an exterior scene.
>>> Thanks to Lars R who reminded me about super-ellipsoids.
>>>
>> That looks like a good start. However, the ring is described as toroidal
>> in the first book.
>
> Yes thanks, then later as like a cartwheel. Varley was not very
> consistent, the width was either 25 Km or 250. Also it is almost
> invisible from the outside. Which makes it hard to render. ;-)
> I actually spent more time on Saturn's rings.
>

Looking good actually. Can a cartwheel have a toroidal body though? Like 
a tyre? ;)
The width is probably closer to 250 km than 25, as the diameter is some 
1300 km... also to accommodate the landscape.

Have you seen this site? http://ammonra.org/gaea/

Thomas

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