Mercator Projection

It uses the same formulas as the standard Mercator as used for small-scale maps. Web Mercator is a slight variant of the Mercator projection one used primarily in Web-based mapping programs.

Beautiful World Map Vintage Atlas 1898 Mercator Projection Etsy Framed World Map Vintage World Maps World Map

Transverse Mercator map of a small area in the same high latitudes.

Mercator projection. Mercator 提出时间 1569年公式 y lntan45 Φ2 适用领域编制航海图和航空图等. Certain Web mapping and visualisation applications. The Mercator projection is a cylindrical map projection presented by the Flemish geographer and cartographer Gerardus Mercator in 1569.

The Mercator projection makes it easier to navigate over long. How to Calculate and Draw Mercators Projection Sanjib Mandal SanGeotics. List of the Pros of Mercator Projection 1.

The image is showing a section of the complete projection. Like all map projections it has distortion and for a Mercator projection this is most noticeable in the polar regions. Het is echter geen rechtstreekse projectie.

The Mercator projection is a map projection that was widely used for navigation since loxodromes are straight lines although great circles are curved. Uses spherical development of ellipsoidal coordinates. Now you may ask what a cylindrical map projection is.

It was presented by Gerardus Mercator in 1569. Mercator is a conformal cylindrical map projection that was originally created to display accurate compass bearings for sea travel. The Mercator projection is named for Gerardus Mercator who presented it for navigation in 1569.

In Cartography any map projection of the terrestrial sphere done on the surface of a cylinder unrolled as a plane is known as a cylindrical projection. A Mercator projection is one of the most recognizable projections used in maps. Standard parallels set to 20 and 30 North just because I thought that this results in a somewhat appealing world map image.

It was first used in Europe by Erhard Etzlaub in 1511. Mercator projection a map projection introduced by Flemish cartographer Gerardus Mercator in 1569. The following equations place the x -axis of the projection on the equator and the y -axis at longitude where.

A large-scale 124000 75-minute USGS Topographic Map based on the Transverse Mercator projection is nearly correct in every respect. EPSG3857 Projected coordinate system for World between 8506S and 8506N. The mercator projection is a commonly used projection on computer maps because it has perpendicular latitude and longitude lines forming rectangles.

A basic knowledge of the properties of commonly used projections helps in selecting a map that comes closest to fulfilling a specific need. The Mercator projection is a cylindrical map projection presented by the Flemish geographer and cartographer - Gerardus Mercator - in 1569. It is also but rarely called the Wright projection after Edward Wright who developed the.

A great tool for educators. Drag and drop countries around the map to compare their relative size. You may be surprised at what you find.

Is Greenland really as big as all of Africa. Because the Mercator projection is a conformal one the shapes. It is a cylindrical projection meridians run vertically and latitudes run horizontally.

Mercator projection 别名正轴等角圆柱投影提出者墨卡托G. It is formed by projecting the globe onto a cylinder A variant of the was adopted by Google maps which helped establish it as the informal standard for web-based maps although Google maps now. This method ensures that angles and shapes stay true.

Relative to WGS 84 World Mercator CRS code 3395 errors of 07 percent in scale and differences in northing of up to 43km in the map equivalent to 21km on the ground may arise. Cut off at 84 North and South. La projection de Mercator ou projection Mercator est une projection cartographique de la Terre dite cylindrique tangente à l équateur du globe terrestre sur une carte plane formalisée par le géographe flamand Gerardus Mercator en 1569.

An additional feature of this projection is that all local shapes are accurate and correctly defined at infinitesimal scale. De mercatorprojectie is een cilinderprojectie dat wil zeggen dat de afbeelding tot stand komt door de bol te projecteren op een cilinder die de bol precies omsluit. Om hoekgetrouwheid te bereiken wordt een breedte-afhankelijke schaalcorrectie toegepast de vergrotende breedte.

This map projection is practical for nautical applications due to its ability to represent lines of constant course known as rhumb lines as straight segments that conserve the angles with the meridians. It is now known to have been used for the Tunhuang star chart as early as 940 by Chien Lo-Chih. However the Web Mercator uses the spherical formulas at all scales whereas large-scale Mercator maps normally use the ellipsoidal form of the projection.

The Mercator projection is a useful navigation tool as a straight line on a Mercator map indicates a straight course but it is not a practical world map because of distortion of scale near the poles. How to Calculate and Draw Mercators Projection Sanjib Mandal SanGeotics - YouTube. It is easier to plot courses on a Mercator projection.

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