Procedure for Coordinates Conversion between NTM and UTM Systems in Minna Datum Using All Trans

What is it about?

As the Edo State Branch of the Nigerian Institution of Surveyors (NIS) has decided to align with the agency (Edo Geographic Information Service) that is responsible for the processing of Certificate of Occupancy to be determining positions in the UTM system, the coordinates of the existing controls in the State have to be converted to UTM coordinates using conversion software. Consequently, this paper presents detailed procedures for the application of AllTrans and Columbus software for positions conversion between NTM and UTM systems in Minna datum. The Minna datum properties, as well as the NTM and UTM parameters, have been detailed for effective use. The step by step procedures to consider when applying the software have enumerated. It was recommended that the Edo State branch of the institution (NIS) should get the full and the latest version of the software. It was also recommended that there should be a lecture for the practical demonstration of the detailed procedures.

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Photo by Austin Distel on Unsplash

Photo by Austin Distel on Unsplash

Why is it important?

The establihsed agency responsible for the processing of C of O in Edo State of Nigeria is processing positions of points in UTM rectangular coordinate system while the state's private practicing surveyors have been determinig positions in the state in NTM rectangular coordinate system over the years. For the Edo State Nigerian Institution of Surveyors to align with the agency to determine positions in a common coordinate system, the Institution has decided to determine positions in UTM. Thus, the paper is required for in-depth understnding of the procedures to follow to convert NTM coordinates to UTM positions in Minna datum using AllTrans and Columbus software.

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