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In the field of land surveying why it is that we are using different projection system although we only belong in one globe?

Land Desktop Projection Field Development Land Use Planning
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Question added by Alex Satorre , Engineering Assistant / Site Supervisor , LGU-TUBAY,PHILIPPINES and ALUMETAL LLC
Date Posted: 2014/11/04
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Mohammad Rakhshan
by Mohammad Rakhshan , Kermanshah , TAM Irankhodro

All projection systems are just estimations of the Earth, not the real Earth. And because the Earth doesn't have a homogenous shape, for reaching to a high-level accuracy we should use a specific projection system for each district of the globe.

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