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Reprojects feature coordinates from one coordinate system to another using the REFRAME library.

This transformer handles the usual planimetric and altimetric reference frame change for Switzerland.

The following Swiss reference frames are supported:

  • Plane coordinates LV03 (CH1903)
  • Plane coordinates LV95 (CH1903+)
  • National levelling network LN02 (levelled heights)
  • National height network LHN95 (orthometric heights, CHGeo2004)
  • Ellipsoidal heights (Bessel)

Usage Notes

To perform a reference frame change, select the planimetric and altimetric input and output frames.

The input and output reference frames can be the same (or empty): it allows you to perform only a planimetric or only an altimetric transformation.

For more information about REFRAME, please refer to the documentation available (PDF) or to swisstopo website:

For more information about Swiss reference frames:

If you are experiencing problems, please check that the following components are installed on your computer:

  • Microsoft Visual C++ 2010 Redistributable Package (x86 or x64)
  • Microsoft .NET Framework 4

Version 3.0 (04.2014) © swisstopo