What are the advantages of the Goode Homolosine projection?
What are the advantages of the Goode Homolosine projection?
The Goode homolosine projection (or interrupted Goode homolosine projection) is a pseudocylindrical, equal-area, composite map projection used for world maps. Normally it is presented with multiple interruptions. Its equal-area property makes it useful for presenting spatial distribution of phenomena.
What does the Goode projection distort?
Goode homolosine is an equal-area (equivalent) projection. Shapes, directions, angles, and distances are generally distorted. There is no distortion along the central meridians and the equator. In the uninterrupted form, bulging meridians produce considerable shape distortion toward the edge of the projection.
What are the pros and cons of the Mercator projection?
Mercator
- Pros: Sailors loved it; preserves angles and directions in a small area.
- Cons: Bad for understanding the real size and shape of continents and countries.
- Related: After this video you’ll never trust a map again.
- Pros: The only ‘area-correct’ map of its time; got featured in The West Wing (S2E16)
What is wrong with the Mercator projection?
Mercator maps distort the shape and relative size of continents, particularly near the poles. 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.
What are the disadvantages of a Mercator projection?
Disadvantages: Mercator projection distorts the size of objects as the latitude increases from the Equator to the poles, where the scale becomes infinite. So, for example, Greenland and Antarctica appear much larger relative to land masses near the equator than they actually are.
What is one advantage of a Mercator projection?
Advantages of Mercator’s projection: – preserves angles and therefore also shapes of small objects – close to the equator, the distortion of lengths and areas is insignificant – a straight line on the map corresponds with a constant compass direction, it is possible to sail and fly using a constant azimuth – simple …
What is the Mercator projection best used for?
The Mercator projection was mainly used for maps. This made it possible for the entire globe to be drawn on a flat sheet. It is also used for marine navigation since the lines of constant direction appear as straight lines on the map.
What are the strengths of the Robinson projection?
The Robinson projection is unique. Its primary purpose is to create visually appealing maps of the entire world. It is a compromise projection; it does not eliminate any type of distortion, but it keeps the levels of all types of distortion relatively low over most of the map.
What is wrong with the Robinson projection?
Distortion. The Robinson projection is neither conformal nor equal-area. It generally distorts shapes, areas, distances, directions, and angles. Area distortion grows with latitude and does not change with longitude.
What is the difference between Mercator and Robinson projection?
Unlike the Mercator projection, the Robinson projection has both the lines of altitude and longitude evenly spaced across the map. In opting for a more pleasing appearance, the Robinson projection ‘traded’ off distortions – this projection is neither conformal, equal-area, equidistant nor true direction.
Who uses equal area projection?
USGS Uses the Albers Equal Area Conic Projection The USGS commonly uses the Albers Equal Area Conic projection because of how it proportionally represents areas for the conterminous United States. Like all map projections, the Albers Equal Area Conic Projection distorts other properties in a map.
What is wrong with the gall Peters Projection?
It replaces the traditional Mercator map style that many of us are familiar with. The Gall-Peters map shows the correct sizes of countries, but it also distorts them. Countries are stretched horizontally near the poles and vertically near the Equator, so although the size may be right, the shape definitely isn’t.
What is the difference between Mercator and Peters Projection?
In addition, Mercator only distorts longitudinal distances (except very close to the poles), whereas Peters screws up the scale almost everywhere for both longitude and latitude. This is why Mercator beats out Peters in the world of cartography, and why Google Maps uses a modified Mercator projection.
What is controversial about the Peter’s Projection?
The Peters Projection map, which claimed to show the world in a more accurate, equal-area fashion. The thing is, cartographers agreed that the Mercator map was outdated, inaccurate, and wasn’t the best way to represent the world’s landmasses.
What is the most accurate map projection?
A globe of the Earth would have an error score of 0.0. We found that the best previously known flat map projection for the globe is the Winkel tripel used by the National Geographic Society, with an error score of 4.563.
What are the advantages and disadvantages of the gall Peters Projection?
Advantages: On Peters’s projection, […], areas of equal size on the globe are also equally sized on the map. Disadvantages: Peters’s chosen projection suffers extreme distortion in the polar regions, as any cylindrical projection must, and its distortion along the equator is considerable.
Which type of projection is best for someone studying Greenland?
Mercator projection
What map projection has the least distortion?
The only ‘projection’ which has all features with no distortion is a globe. 1° x 1° latitude and longitude is almost a square, while the same ‘block’ near the poles is almost a triangle. There is no one perfect projection and a map maker must choose the one which best suits their needs.
Do map projections have distortion?
The good news is that map projections allow us to distort systematically; we know exactly how things are being stretched or squashed at any given point. We have many different map projections because each has different patterns of distortion—there is more than one way to flatten an orange peel.
Why is map projection necessary?
The need for a map projection mainly arises to have a detailed study of a region, which is not possible to do from a globe. from a globe is nearly impossible because the globe is not a developable surface. In map projection we try to represent a good model of any part of the earth in its true shape and dimension.