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gvSIG-Desktop 1.1. Manual de usuario.
Manual de usuario - Extensión JCRS (gestión de Sistemas de Referencia de Coordenadas) - Introducción
The JCRS extension aims to enable gvSIG to accurately manage Coordinate Reference Systems and coordinate operations. In addition, information has been incorporated regarding standard CRS repositories and operations, such as EPSG and IAU2000, which are the only ones available in this initial version.
These additions provide a solution to the problem of the ED50 – ETRS89 transition.
Furthermore, the two official IGN solutions have also been included:
- Through the EPSG, the various official IGN solutions concerning seven-parameter transformations have been introduced.
- Through Proj4, the official IGN transformation has been incorporated with a NTv2 grid file.
