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Geographic maps use a projection to translate the three-dimensional real surface of the geoid to a two-dimensional picture. Projection always distorts the surface. There are many ways to apportion the distortion, and so there are many map projections. Which projection to use depends on the purpose of the map. [5]
Image credits: instagram When it comes to why maps are so fascinating, Xavier says, "They provide a unique, visual representation of the world, turning complex concepts into something tangible and ...
New map projections are still being developed, university map collections, such as Perry–Castañeda Library Map Collection at the University of Texas, offer better and more diverse maps and map tools every day, making available for their students and the broad public ancient maps that in the past were difficult to find.
A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy's Geography and using his second map projection. The translation into Latin and dissemination of Geography in Europe, in the beginning of the 15th century, marked the rebirth of scientific cartography, after more than a millennium of stagnation.
Tucked in the pocket behind the driver’s seat of my trusty minivan is a collection of paper maps that dates back to the Bill Clinton era. In other words, these analog instruments of navigation ...
The projection found on these maps, dating to 1511, was stated by John Snyder in 1987 to be the same projection as Mercator's. [6] However, given the geometry of a sundial, these maps may well have been based on the similar central cylindrical projection, a limiting case of the gnomonic projection, which is the basis for a sundial. Snyder ...
This trait is useful when illustrating phenomena that depend on latitude, such as climate. Examples of pseudocylindrical projections include: Sinusoidal, which was the first pseudocylindrical projection developed. On the map, as in reality, the length of each parallel is proportional to the cosine of the latitude. [30] The area of any region is ...
Early digital maps had the same basic functionality as paper maps—that is, they provided a "virtual view" of roads generally outlined by the terrain encompassing the surrounding area. However, as digital maps have grown with the expansion of GPS technology in the past decade, live traffic updates, [ 10 ] points of interest and service ...