Talk:Equal Earth projection

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The formulas shown are not both polynomial equations.

The article refers to "polynomial equations", but one of the equations shown, for the Equal Earth Projection isn't a polynomial equation.

It would be better to say "equations that are based on polynomials".

Michael Ossipoff — Preceding unsigned comment added by 68.186.18.145 (talk) 17:24, 19 September 2018 (UTC)[reply]

You are wright. I made the correction. Michel Awkal (talk) 16:16, 10 June 2019 (UTC)[reply]

One variable is missing

The equations shown feature just one variable ( $\theta$ , which seems to depend from latitude $\phi$ ), but they should definitely include another one (longitude). In any case, the dependency of $\theta$ from $\phi$ could be more straightforward (e.g. the formula put in explicit form), and a clear declaration of variables should be added to the accompanying text. — Preceding unsigned comment added by Il wage (talk • contribs) 05:45, 24 September 2018 (UTC)[reply]

x depends on λ, which is longitude. The article ought to explain its symbols. Strebe (talk) 14:19, 24 September 2018 (UTC)[reply]

Hobo Dyer origin?

Was the Equal-Earth Projection inspired by Hobo-Dyer?

I ask because of how similarly those two projections portray Africa.

This isn't criticism. There's nothing wrong with stark unrealism.

Please do not use talk pages as a forum for discussing the topic. Talk pages are not for general discussion of a topic; they are only for discussion aimed at improving the article. From WP:TALK#COMMUNICATE:

Talk pages are for discussing the article, not for general conversation about the article's subject (much less other subjects). Strebe (talk) 17:22, 17 August 2021 (UTC)[reply]