POV-Ray: Newsgroups: povray.advanced-users: Maclaurin spheroid

POV-Ray : Newsgroups : povray.advanced-users : Maclaurin spheroid		Server Time 22 Dec 2024 01:11:37 EST (-0500)

From: Mike Horvath
Subject: Maclaurin spheroid
Date: 22 Feb 2021 02:42:42
Message: <60336072$1@news.povray.org>

Can anyone describe how to create this solid in POV-Ray?

It is described here:

https://gis.stackexchange.com/questions/293563/latitude-above-and-below-the-surface-of-the-earth

Mathematical equation is on Wikipedia:

https://en.wikipedia.org/wiki/Maclaurin_spheroid

Thank you kindly!


Mike

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From: Mike Horvath
Subject: Re: Maclaurin spheroid
Date: 22 Feb 2021 03:00:58
Message: <603364ba$1@news.povray.org>

On 2/22/2021 2:42 AM, Mike Horvath wrote:
> Can anyone describe how to create this solid in POV-Ray?
> 
> It is described here:
> 
>
https://gis.stackexchange.com/questions/293563/latitude-above-and-below-the-surface-of-the-earth

> 
> 
> Mathematical equation is on Wikipedia:
> 
> https://en.wikipedia.org/wiki/Maclaurin_spheroid
> 
> Thank you kindly!
> 
> 
> Mike


I should clarify that I want to create an intersection (like an apple 
core) of the globe that follows the field lines at different latitudes.


Mike

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From: Mike Horvath
Subject: Re: Maclaurin spheroid
Date: 28 Feb 2021 03:44:07
Message: <603b57d7$1@news.povray.org>

Here is some more math:

http://www.tectonic-karmanya.blogfa.com/post/127

Still not sure which formulas are the ones I am needing.


Mike

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