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On 1-1-2015 17:22, green wrote:
> Thomas de Groot <tho### [at] degroot org> wrote:
>> On 31-12-2014 19:19, green wrote:
>>> not really on-topic, but have you seen this?
>>> http://www.ciclops.org/
>>> the painting would make a nice povray project.
>>>
>>
>> Yes, that would certainly be interesting to do. My only reservation is
>> about the /distance/ between the individual particles, also in the
>> so-called mountains. I have the feeling that the shown painting is not
>> correct. It is all a matter of scale of course.
>>
>> --
>> Thomas
> i have concerns about the discrete streams and their coloration. the
> artist had excellent sources and the properties of the ring particles
> are not well known, so artistic license should be accepted. i do think
> ray tracing would be physically instructive, altho this scene may be a
> killing field for subsurface scattering.
My main concern is with the substance of the 'mountains' I studied the
different photographs available and I am baffled. From them and from the
descriptions given, my best guess is that they consist of more or less
dense accumulations of ring particles, temporarily thrown out of the
ring orbit. Individual gravitational forces interacting between the
particles form the ephemeral 'mountains'. I think they should be
rendered not as dense structures but as flimsy, half-transparent,
'spikes'. Maybe I shall have a go at them for the current TC-RTC
Challenge 'Complex'. Seems a good exercise. :-)
> i am intrigued by the possibilities in an actual flat megastructure
> next to the tall 'mountains', an inconceivable sight!
Yes!
> if you have not seen it, similarly exciting and spectacular vistas
> are in erik wernquist's short video _wanderers_; wonderful!
> http://vimeo.com/108650530
Yes, that is a very inspirational video!
--
Thomas
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