The projection is called "equirectangular" because the horizontal and vertical scales are identical, resulting in a rectangular grid of latitude and longitude lines that are equally spaced. This means that each degree of latitude and longitude is represented by the same amount of space on the map. | The projection is called "equirectangular" because the horizontal and vertical scales are identical, resulting in a rectangular grid of latitude and longitude lines that are equally spaced. This means that each degree of latitude and longitude is represented by the same amount of space on the map. |