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How do NTv2 Transformations work within ArcGIS?

April 26, 2017ArcGIS ntv2 transformations

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How do NTv2 Transformations work within ArcGIS?

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A. The ArcGIS product suite incorporates use of NTv2 transformation files when an NTv2 datum transformation is undertaken. ArcGIS ships with the Australian NTv2 transformation files, that are required to transform data from : AGD66 to GDA 1994 and from, AGD84 to GDA 1994. These files cover the complete national extent, and were released in October 2001.