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BN11 (27-11-2008)

  • Potential to define new Coordinate Reference Systems (user's CRS). The definition of CRS by users can be achieved by three methods:
    • Specifying all the parameters.
    • Taking as starting point one of the EPSG CRS and modifying the selected parameters.
    • By specifying the CRS through the WKT (well known text).
  • Potential to perform compound transformations related to the source CRS as well as the target CRS.
    This option is useful when there is no direct transformation between two datums, but instead there is a datum for each and a common CRS for both. A compound transformation allows to re-project between datums of which the direct transformation parameters are unknown, doing the transformation in two steps.


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