What is an equal-area projection used for?

The equal-area projection retains the relative size of the area throughout a map. So that means at any given region in a map, an equal-area projection keeps the true size of features.

What is the sinusoidal equal-area projection used for?

Usage. The sinusoidal projection is appropriate for thematic world maps although its use is not recommended. The projection has also been used for maps of continents near the equator, like South America and Africa, centered on their own central meridians.

What is the best projection to use?

AuthaGraph. This is hands-down the most accurate map projection in existence. In fact, AuthaGraph World Map is so proportionally perfect, it magically folds it into a three-dimensional globe. Japanese architect Hajime Narukawa invented this projection in 1999 by equally dividing a spherical surface into 96 triangles.

How are equal area projection of Earth in accurate?

The first condition is there must be equal area. The second is that it is a pseudocylindrical projection, meaning that the parallels are unequally spaced. Meridians are equally spaced along the parallels. … In effect, area is accurate while appearance is balanced to minimize distortions.

How do maps help focus the reader’s attention?

c) How do maps help focus the reader’s attention on just a few specific things? ANSWER: They help do this by containing a limited number of elements. 6. … 23) General-purpose maps show a wide va- riety of information and are designed to provide a broad understanding of an area.

What is the best coordinate system to use?

Web Mercator is a common projected coordinate system designed for web mapping applications. Most of Esri’s basemaps are tiled in Web Mercator, so they can have the greatest compatibility.

Which map projection is most commonly used?

the Mercator
One of the most famous map projections is the Mercator, created by a Flemish cartographer and geographer, Geradus Mercator in 1569. It became the standard map projection for nautical purposes because of its ability to represent lines of constant true direction.

What type of projection is best used to preserve distance?

equidistant projection
An equidistant projection preserves distances from one or two special points to all other points. The special point or points may get stretched into a line or curve segment when projected. In that case, the point on the line or curve segment closest to the point being measured to must be used to measure the distance.