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On 19.08.2017 02:47, Thomas de Groot wrote:
> On 18-8-2017 18:59, Bald Eagle wrote:
>> "Kenneth" <kdw### [at] gmail com> wrote:
>>
>>> I would like to imagine that NASA has created a LARGE full 3-D globe
>>> of Mars-- a
>>> real-life globe-- carved from the planetary data. That would be
>>> something to
>>> see!
>>
>> Well, I would say that is all of the data is available, and since
>> planet-building seems to be a long-standing interest of Povvers, that
>> maybe such
>> a thing would make a nice, long-term group project.
>>
>> I'm sure we could learn a lot and discover more things about what
>> POV-Ray can &
>> can't do, and it would make a pretty nice PR piece.
>> "Hobbyists model ALL of Mars in POV-Ray, a free raytracer with a 25-year
>> history..."
>>
>> It would be a really good test bed for view frustum and back-face
>> culling, all
>> sorts of mesh-related work, and probably media for the atmosphere.
>>
>>
>
> Well, as far as Earth is concerned, Christoph Hormann did this:
> http://earth.imagico.de/view.php?site=oman1
>
> However, the question might be asked about the above: is it really
> worthwhile to model a whole planet as a mesh? From a distance, elevation
> features get lost and can better be replaced by appropriate image_maps
> and bump_maps (NASA provides those too!); for a close view, mesh tiles
> like those NASA produces for Mars are much better suited.
>
Group Project about Mars:
Please refer to the The "POV-Ray Base on Mars" thread. I mentioned my
mars base to become a group project some days ago, and am happy to see
here a good resonace to such proposals.
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