Different World Map Projections
79 rows In standard presentation pseudoazimuthal projections map the equator and central meridian to perpendicular intersecting straight lines. 01102015 This type of projection is typically used to map the world in particular areas between 80 degrees north and 80 degrees south latitudes.
The projection we are used is commonly known as the Mercator projection.
Different world map projections. 15022017 Map projections without distortions would represent the correct distance direction shapes and areas on a map. Making the three-dimensional two-dimensional or making the curved world flat. The projection places a cylinder to touch a globe at normal positions.
However map projections have distortions which depend largely on the size of the area being mapped. A map projection is needed to show the spherical surface of the earth on a flat map see Whats a Map Projection. The Mercator projection depicts Greenland as larger than Africa.
09082010 Map projections are a central aspect of the Worldmapper project because the maps respectively cartograms featured in the project are basically not different from some sort of re-projection of the world albeit in a different way than conventional projections used in cartography. Theyre not so good for mapping a country like Chile though which runs north-south. Public Domain Making the curved world flat is the challenge of mapping.
25042017 Mercator The most popular map projection in the world has been around for 448 years now. Cylindrical equal area projection. The number of different maps you can create is quite large and will give you a different and often unusual perspective on the world.
There is some info about projections but more importantly its about their appearance. But in reality Africa is 14 times the size of Greenland. Compromise projections provide a representation of the earth that is not perfectly correct in any way but not badly distorted in any way either.
All the parallels and meridians are straight lines crossing each other at the right. 15022021 The Winkel Tripel projection chosen by the National Geographic for its world maps represents the poles more accurately than the Mercator but it still distorts Antarctica badly and creates the illusion that Japan is hugely to the east of California instead of its nearest neighbor to the west. So theyre good for mapping an area like the United States.
Projections by presentation of a metric property and projections created from different surfaces. 20042020 In its simplest form a map projection is the transference of Earths curved surface or a portion of onto a flat surface by using mathematical equations. The reasoning is that because the map is rectangular ie.
Out of more than 200 different map projections images you can select two at a. Three maps drawn with examples of conformal equal area and equidistant projections overlaid with geodesic circles that demonstrate geometric distortions. It was created by Flemish cartographer Gerardus Mercator in 1569 a time when Antarctica hadnt even been discovered.
There are more than two hundred different map projections. Projections by presentation of a metric property would include equidistant conformal gnomonic equal area and compromise projections. Rather than trying to solve the conflicts of distortion when drawing a three.
They map parallels to complex curves bowing away from the equator and meridians to complex curves bowing in toward the central meridian. Each projection distorts maps in different ways. Different projections have different distortion patterns.
This site ist about map projections specifically about world map projections. What we see in a world map projection is not an accurate representation of the planet. The cylindrical projection is classified into three types.
There are two models for creating different map projections. Scale distortions on maps are shown on the map by an ellipse of distortion or using scale factor which is the ratio of the scale at a given point to the true scale. Some like the Albers Equal Area Conic distort more as you go north or south but dont distort much as you go east or west.
If you choose the cylindrical projections Mercator equirectangular Gall Peters you will see some interesting distortions when you focus on different countries or regions. 22032017 And different projections distort maps in different ways.
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