engleski

Behrmann Projection

About 100 years ago, Walter Behrmann published an article about the "best" equal-area projection of the entire Earth. This projection is known today as Behrmann Projection. In the mentioned article, Behrmann speaks of a projection on a cylinder that cuts the Earth's sphere along the parallels with 30º of northern and southern latitudes, and identifying those parallels with standard parallels. In this paper, it is proved that the standard parallels in Behrmann Projection are not parallels in which the map made in Behrmann Projection and rolled into the cylinder surface cuts the sphere. Thus, the generally accepted view that the standard parallels of cylindrical projections are simultaneously secant parallels is generally not true.

Berhmann Projection, standard parallel, secant parallel

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