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Essay On Map Projection

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1.0 Mapping Projection
A map projection is a geometric feature that transforms the earth's curved, ellipsoidal surface onto a flat, 2-dimensional plane for the reason that Earth is roughly the shape of an oblate spheroid, map projections are vital for creating maps of the Earth or parts of the Earth that are represented on a plane which includes a bit of paper or a computer screen.
With the aid of nature, all map projections distort one of a kind houses of the spheroid-based totally functions. One-of-a-kind projections exist so that it will keep certain features but on the fee of others. Relying at the purpose of the map, some distortions are acceptable at the same time as others are not.
A map projection is a critical component of any modern map, and there are an endless variety of possible map projections. Since Gerardus Mercator provided his Mercator worldwide map …show more content…
All are cylindrical and conformal. However in preference to the cylinder being transverse ninety° from the Mercator Projection, it is transvers, an angle that places the long axis of the cylinder 90° from the lengthy axis of the vicinity being mapped. If the general course of an area this is to be mapped lies in a northeast/southwest mind-set, the cylinder projection could be transverse forty five° west of north. The cylinder is usually secant to the ellipsoid to lesson the effects of distortion. The place of the lines of secant varies among projections. Many Oblique Mercator Projections exist which include West Malaysia Rectified Skew Orthomorphic (RSO) Projection. The West Malaysia RSO Projection is used to map the islands of Malaysia. It is an indirect Mercator type projection with the long axis of the cylinder oriented at 36° 58’ 27.1542" east of north. Scale thing at the foundation is 0.99984. This projection is used with the changed Everest Ellipsoid to map the West Malaysia RSO Grid

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