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Changing Coordinate UTM from zone to another zone 2021


The Universal Transverse Mercator (UTM) is a system for assigning coordinates to locations on the surface of the Earth. Like the traditional method of latitude and longitude, it is a horizontal position representation, which means it ignores altitude and treats the earth as a perfect ellipsoid. However, it differs from global latitude/longitude in that it divides earth into 60 zones and projects each to the plane as a basis for its coordinates. Specifying a location means specifying the zone and the x, y coordinate in that plane. The projection from spheroid to a UTM zone is some parameterization of the transverse Mercator projection. The parameters vary by nation or region or mapping system.

How to Calculate the Boundaries of an UTM Zone

  • UTM zones are all 6 degrees wide and increase from west to east starting at the -180 degree mark.
  • Calculate the eastern boundary of any UTM zone by multiplying the zone number by 6 and substract 180.
  • Subtract 6 degrees to obtain the western boundary.
  • Therefore to find the eastern boundary of UTM zone 11: Eastern boundary of zone 11 = (11 * 6) – 180 = -114 degrees.
  • Western boundary of zone 11 = -114 – 6 = -120 degrees.

How do I find my UTM zone ?

In this video I explain how to find your location zone by using google earth

How Change utm form zone to another zone

Do the followings:-
  1. Open the drawing in Civil 3D or AutoDesk Map3D which needs to be converted to another coordinate system.
  2. Set the drawing current coordinate system then save and close. 
  3. Open a new drawing and set coordinate system to new zone you want.
  4. Attache the first drawing through MAP WORKSPACE features. 
  5. Query the attached drawing and chose DRAW option form the query window.
For more details see this video

1 comment:

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