With the TM projection, for a particular study area, a cartographer selects a central meridian, a latitude of origin, the false easting and false northing and the scaling factor, in addition to the semi-major axis and the flatness (1/f) factor. The UTM system is a specialized version of the Transverse Mercator (TM) cylindrical projection system.
UTM ZONE MAP SERIES
SoI has also started generating a public series of maps in this popular combination, in order to comply with the need for standards. Currently, the Universal Transverse Mercator (UTM) projection system is the most popular system for making maps or executing projects in combination with the WGS84 datum. Thus, cartographers have been shifting to other standard systems of projection. Modern applications are now demanding maps at higher scales and precision. The organisation conducts surveys at regular intervals and generates classified and nonclassified topographic map sheets using a polyconic system of projection.
The Survey of India (SoI) is the pioneer surveying and mapping agency for India. Our proposed system defines an alternate TM (ATM) projection system for which the central meridians are parallel to the central meridians of UTM but shifted by 3 degrees to Eastĭepartment of Civil Engineering, MGM’s Jawaharlal Nehru Engineering College, Aurangabad, Maharashtra, Indiaĭepartment of Civil Engineering, Indian Institute of Technology, Kanpur, Uttar Pradesh, India
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