Mercator Projection Distortion

Mercator preserves the form shape of areas but greatly exaggerates distance and area. This distortion gets exponentially worse as you approach the poles.

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As a result on any Mercator projection the southern hemisphere is as distorted as the northern hemisphere.

Mercator projection distortion. Distortion along the parallels and meridians left in area center and in form right. It is incorrect to assume the azimuthal equidistant map is distortion-free. You may be surprised at what you find.

Is Greenland really as big as all of Africa. In every case distortion is no greater than 1 part in 1000. Also important is that the closer you are to the poles the more the distortion when a country is shown on the Mercator projection.

The popular Mercator projection distorts the relative size of landmasses exaggerating the size of land near the poles as compared to areas near the equator. All maps have distortions. Although the linear scale is equal in all directions around any point thus preserving the angles and the shapes of small objects the Mercator projection distorts the size of objects as the latitude increases from the equator to the poles where the scale becomes infinite.

It is tinier than the Democratic Republic of Congo just a single one of Africas 54 nations. What is distorted on a Mercator projection. 2dBeforejpg is an example images that show how its looks like after the data rendering but before the Mercator Projection distortion and 2dAfterjpg show how the image should be looks like after the Mercator Projection distortion.

The Mercator map may only be used for navigationalcharts maritime or aviation where a line of constant. As you get closer to the poles the distortion becomes severe. It is in fact impossible to show the poles on a Mercator map they are infinitely far away.

However the characteristic is gained by sacrificing accurate sizes. The Mercator projection preserves shape and direction and a small landmass will appear similar to that on a globe. The Mercator map can not be called world map because it isimpossible to display the entire earth on this map.

The Mercator projection is infamous for its distortion at high latitudes. Since longitude lines converge at the poles but are parallel on a Mercator the closer a part of a country is to the poles the more that part will get stretched wider relative to a part of a country that is not as close to the poles. Drag and drop countries around the map to compare their relative size.

These true direction lines are rhumb lines and generally. Mercator maps distort the shape and relative size of continents particularly near the poles. Fifty-nine variations on this projection are used to minimize distortion in the other 59 UTM zones.

The Mercator projection exaggerates that it is far away from the Equator. The Transverse Mercator projection illustrated above Figure 2222 minimizes distortion within UTM zone 30. Distortion for Mercator Projection Method The images below show that the popular Mercator projection distorts are and distance everywhere but near the equator.

Below is just one example of how mind-blowing it can be. This method of map-drawing invented by Flemishcartographer Gerardus Mercatorin1569 found favor because it preservedlocal angular relationships making navigation easier. If you want to see just how far off the Mercator projection is check it out.

Some of the common distortions are - The continent of Antarctica appears to be extremely large. A great tool for educators. Any straight line drawn on this projection represents an actual compass bearing.

Greenland is nowhere near the massiveness of Africa. Directions angles and shapes are maintained at infinitesimal scale. Then there are some more problems.

Mercator is a conformal map projection. In case the entire globe was represented using Mercator Antarctica would inflate infinitely. Greenland is so misrepresented that cartographers tend to call the size distortion of the Mercator map the Greenland Problem.

To explain more about my needs i attached link to album 2 photos i uploaded. The Mercator projection creates increasing distortions of size as you move away from the equator. A lot has been said and written about this distortion and the fact that Google Maps uses a Mercator Projection which makes it easier to seamlessly zoom to local areas has been criticized by lovers of accurate maps.

Any Mercator map youve ever seen must cut off the topbottom edges at some arbitrary point. Cartographers refer to the inability to compare size on a Mercator projection as the Greenland Problem. And yet all we hear about is how massively enlarged Europe and North America are on the Mercator map without any acknowledgment that certain parts of Africa too are bigger than their actual size.

For a general display of allcountries of the world the Mercator map is not suitable because of theexcessive distortion of area.

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