The NTv2 (National Transformation version 2) is a standard binary grid shift (.GSB) file format. It can transform coordinates between the
NAD27 and
NAD83 geodetic reference systems for example. The transformation is bidimensional (2D), or horizontal, and does not require heights.
Development and adaptation
The National Transformation format has been developed by
Natural Resources Canada's Geodetic Survey Division for conversions between
NAD27 and
NAD83 but it has been adapted to several other countries, such as
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
,
Austria,
Belgium,
Brazil,
Canada,
France,
Germany,
New Zealand,
Portugal,
Romania,
South Africa,
Spain,
Switzerland
). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
,
Venezuela[ and the United Kingdom.]
References
{{reflist
Geographic coordinate systems
Geodetic datums
Surveying
Surveying of Canada